A US research team has shown that Sars-CoV-2 can “reprogram” pathogen-fighting white blood cells into immune system suppressing cells — a potential mechanism by which severe Covid may arise.
A new approach enables the detection of even trace amounts of cancer cells. The method leverages SERS for signal amplification, eliminating the need for fluorescent dyes.
Nuclear medicine specialists have successfully used the radiopharmaceutical Ga-68-Trivehexin from Trimt to accurately diagnose patients with pulmonary fibrosis and concurrent lung cancer.
Blood-based biomarker (BBB) tests may represent the best weapon to combat the soaring rates of Alzheimer’s disease (AD) throughout the world. Existing clinically validated tests are currently deployed to facilitate diagnosis, to monitor disease and effectiveness of treatments, to quantify progression, and to determine if a patient is appropriate for treatment or participation in a clinical…
Researchers have developed a new kind of tumour-on-a-chip, which gives insight into the tumour environment and immunotherapy response. The device has been successfully tested on breast cancer samples.
A new study measured how well breast cancer patients’ tumour ‘explants’ respond to chemotherapy or HER2 antibody therapy in the laboratory. This could help improve clinical outcomes.
Complex diseases could require complex biomarkers for accurate diagnosis in the years ahead, according to a leading pathologist. In a keynote address to the 36th European Congress of Pathology in Florence, Italy, Professor Manuel Salto-Tellez highlighted this as one of the major future challenges for the discipline. However, he also believes pathologists will sit at the core of modern medicine.
A new radiotracer – an injected compound used in PET scans – could help inform doctors that a patients aggressive cancer will not respond to chemotherapy before treatment is given.
Assays: 100Highlights:nSMOL is a proprietary, innovative technique from Shimadzu, enabling selective proteolysis of the Fab region of monoclonal antibodies.The nSMOL Antibody BA Kit is a ready-to-use reagent kit for collecting monoclonal antibodies from blood or other biological samples using immunoglobulin collection resin, and then performing selective proteolysis of the Fab region of…
Multiplex imaging can play a critical role in unravelling the tumour microenvironment. The potential and benefits of the emerging approach – a way to extract information from human tissue samples by visualising many more biomarkers than traditional microscopy – was highlighted in presentations during the 36th European Congress of Pathology in Florence, Italy. Speakers also discussed novel…
A new study found that measuring circulating tumor cells (CTCs), rare cancer cells shed from tumors into the blood, is a reliable way to predict later treatment response and survival prospects with metastatic prostate cancer.
Until now, those affected have had to inject the missing coagulation factor proteins themselves several times a week. Gene therapy now offers those affected the prospect of an improvement: the therapeutic agent is administered as a single intravenous injection.
Scientists at the University of Geneva (UNIGE) and the Geneva University Hospitals (HUG) have developed CAR-T cells capable of targeting malignant gliomas while preserving healthy tissue.
STAb-T, a new form of immunotherapy to treat solid tumours shows therapeutic potential in animal models with non-small cell lung cancer. The new strategy is designed to strengthen the defensive cells.
Researchers identified the genetic background of the previously known but mysterious AnWj blood group antigen. The findings allow identification and treatment of patients lacking this blood group.
Protection from established Covid-19 vaccines wanes relatively quickly. A new vector vaccine elicits prolonged immune response in animal models, and maintains its efficacy over extended time.
Systemic lupus erythematodes can lead to severe kidney damage. However, until now, the cause for this remained unclear. New research has now revealed the underlying mechanism.
In rhesus pregnancy, antibodies from the pregnant mother can lead to anaemia for the foetus in the uterus. A new study suggests that a drug could serve as a non-surgical alternative.
A new method could lead to a significantly more precise and reliable diagnosis of pancreatic cancer. It is based on the selective detection of specific antibodies in blood samples.
Diagnosis and monitoring medical conditions, including cancer, diabetes, heart disease, and infections: In this opinion article, Alix Joseph (Linxens) explores the potential of sweat analysis.
New research reveals a promising approach to developing a universal influenza vaccine that confers lifetime immunity against an evolving virus considered most likely to trigger the next pandemic.
Staphylococcus aureus is a leading cause of hospital-acquired bacterial infection, associated with over one million deaths worldwide each year. Now, researchers could be one step closer to a vaccine.
The new Nuclear Medicine Department of the San Pietro Fatebenefratelli Hospital was inaugurated in Rome. The Department was inaugurated with the online intervention of Health Minister Orazio Schillaci and in the presence of Maria Tripodi (Undersecretary at the Ministry of Foreign Affairs and International Cooperation), Antonello Aurigemma (President of Lazio Regional Council).
Scientists discover how the production of antibodies is regulated in allergy and infections. This opens the door to new therapies, without affecting the beneficial response of the immune system.
A research group established a microfluidic control technology that can be applied to small blood testing devices and consequently developed a novel integrated immunoassay device.
Tissue biopsy and liquid biopsy can increasingly be used as complementary or alternative approaches, with advantages and limitations to each. While speakers at the recent 35th European Congress of Pathology in Dublin were quick to highlight that liquid biopsy was not about to replace tissue biopsy, the focus looked at the benefits and challenges of each through the lens of four expert speakers.
A new study suggests superiority of the novel investigational PET imaging agent ⁶⁸Ga-DPI-4452 (Debio 0328) to standard CT imaging in the context of clear cell renal cell cancer (ccRCC).
New research challenges assumptions about the origin of rheumatoid arthritis, which are probably too simple. The findings may point towards improved diagnostics of this painful autoimmune disease.
After a stroke or heart attack, the risk of infection is increased – however, why this happens was unknown. Now, researchers found a previously unknown cause – and a therapeutic approach.
Antimicrobial-resistant infections have become a global threat, with an annual death toll of over 1 million. Now, reseachers created a promising vaccine candidate for antibiotic-resistant bacteria.
Digital pathology can be used to great effect in pharmaceutical research: it can accelerate analyses, give deeper insights into cellular mechanisms, and enable better understanding of their role into clinical development. This potentially offers clearer predictions on how patients may respond to treatment and lead to personalized therapies.
A team of researchers has discovered a new method of measuring levels of cortisol directly from a blood sample - a significant step forward in diagnosis and treatment of a wide range of diseases.
New study results explore the long-term effects of infection with Sars-CoV-2, and challenge the idea that vaccine immunity fades quickly.
Scientists have developed an antibody that can block the effects of lethal toxins in the venoms of a wide variety of snakes found throughout Africa, Asia and Australia.
Chronic stress can have a significant impact on health, from an increased risk for heart disease to a greater susceptibility of cancer metastasis. New research points out the underlying mechanisms.
A newly-developed biosensor could be an alterative to MRI and mammography for breast cancer screening. The handheld device uses saliva on test strips to determine whether cancer is present.
Chemotherapy against cancer can lead to the generation of senescent tumour cells, which can help the tumour survive. A new immunotherapy approach to eliminate these cells shows promise in animal models.
New research demonstrates how tiny nanomachines could greatly reduce bladder cancer by precisely targeting the tumour and attacking it with a radioisotope carried on their surface.
Bringing digital pathology together with novel multiplexed staining techniques may answer key questions about complex diseases. Pathologist Lukas Marcelis, MD, PhD, believes such combinations of technology will have benefits for clinicians and patients and can help unravel some of the mysteries surrounding a range of conditions.
Highlights:One of the analyses most commonly used is the Enzyme-Linked Immunosorbent Assay (ELISA).With this method, even the smallest concentrations of a range of substances (proteins, peptides, antibodies, hormones etc.) can be detected and quantified from complex solutions.
The Tissue-Tek Genie Advanced Staining System is the first and only fully automated, true random access stainer for immunohistochemistry (IHC) and in situ hybridisation (ISH); allowing any IHC or ISH capsule or probe to be loaded at any time on any station.30 fully independent staining stations for maximum flexibility 130+ optimal Ready-to-Use antibodies and probes 2:45 case runtime of…
Being overweight – not just being obese – can increase Covid-19 severity. the elevated BMI creates an impaired antibody response to SARS-CoV-2 infection but not to vaccination, new research finds.
Faster, more accurate and cost-effective testing: Experts outline the beginnings and evolution of “lab-on-a-chip” technology, and its benefits for advanced and next-gen operational platforms.
A mechanism that led some patients to experience cases of deadly clotting following some types of Covid-19 vaccination has been identified in new research.
A new study found that the antibody response of infants and young children against Sars-CoV-2 deviates from that of adults in a small, but very significant way.
Russian scientists have conducted a comprehensive examination of why some women present with autoimmune conditions after silicone augmentation mammoplasty.
New research from Copenhagen University Hospital – Rigshospitalet and Herlev and Gentofte Hospital has shed new light on the immune system’s complex struggle against the coronavirus.
For their contributions to developing mRNA vaccines to fight Covid-19, Katalin Karikó, PhD, and Drew Weissman, MD, PhD, have been jointly awarded the 2023 Nobel Prize in Physiology or Medicine.
US researchers have discovered that radiation therapy combined with two types of immunotherapy can control tumors in preclinical models of triple negative breast cancer.
A new onco-therapeutic vaccine candidate against human papillomavirus (HPV)-induced cancers, such as cervical and oropharyngeal cancers, has shown promising results in the preclinical phase.
Modern cancer therapies are tough on the tumours, but often, also on the heart of the patients. The “CARDIOCARE” project aims to reduce the cardiac burden of anti-cancer therapies through more patient-tailored treatment approaches. At the ESC cardiology congress, Professor Katerina Naka from the project’s consortium explained why older patients are at the highest risk of cardiotoxic…
Chemotherapy can be an effective means to fight breast cancer, but under certain circumstances, the treatment can cause dormant cancer cells to re-awaken, new research finds.
Patients with immunodeficiency cannot benefit from conventional Covid-19 vaccines and still at risk from infection. A promising new approach now brings hope for this patient group.
Researchers in France identified changes to the immune memory after infection with the Omicron BA.1 variant in thrice-vaccinated patients. The remodeling actually works to the patients' benefit.
Researchers have found a possible explanation as to why higher breast density and older age increase the risk of breast cancer. According to the experts, adipocytes play a vital role here.
Combining aerosol sampling and ultrasensitive biosensing, researchers have created a real-time monitor that can detect any of the Sars-CoV-2 virus variants in a room in about 5 minutes.
Research by the University of Southampton has shown that repeated Covid-19 vaccination increases the ability of lymphoma patients to prevent infection from the virus, particularly after four doses.
Researchers at Harvard Medical School developed a new tool that promises to improve the way pathologists see and evaluate a tumor by providing detailed clues about the cancer.
Results from a large European study reinforce the use of Extracorporeal photopheresis (ECP) in heart transplant patients as a treatment for heart transplant rejection and prevention of rejection.
Unanswered questions are hampering clinicians in their efforts to get the best out of a precision medicine approach for their patients. Speaking at the Genomics and Precision Medicine Expo in London at the end of May, cancer educator Dr Elaine Vickers said the benefits of being matched to an investigational drug remain questionable for most people with advanced cancer.
Researchers at Karolinska Institutet have found further evidence for how the Epstein-Barr virus (EBV) can trigger multiple sclerosis (MS) or drive disease progression.
Protection offered by Covid-19 vaccination declines more rapidly in people with severe obesity than in those with normal weight, scientists at the Universities of Cambridge and Edinburgh have found.
Lyme disease, the most common tick-transmitted bacterial infection in the world, is challenging to diagnose. Initial early-stage symptoms may include skin rash, fever, headache, fatigue, swollen lymph nodes, and/or body and joint aches. However, these symptoms are also associated with many other diseases and medical conditions.
It is crucial that labs can rely on their slides for a seamless – and accurate – diagnosis. With many more commercial instruments focusing on flexibility and choice, these qualities are difficult to separate from subjectivity and complexity.
Should patients over the age of 70 with head and neck cancer receive aggressive combined radiotherapy and chemotherapy? This is a controversial issue among patients, their families and health professionals.
A new class of immunotherapy shows promising results for fighting the most aggressive form of skin cancer.
Getting vaccines to people who need them isn't always easy. Many vaccines require cold storage, making it difficult to ship them to remote areas that don't have the necessary infrastructure.
Researchers at the University of Campinas and the Federal University of São Carlos in Brazil have developed an electrochemical sensor that detects Parkinson's disease at different stages.
New research has found molecular signature differences in the blood of patients who fully recover from Covid-19 and those who develop long Covid.
US scientists report using a single-atom-thick nanomaterial to simultaneously detect Covid-19 and flu viruses — at much lower levels and much more quickly than conventional tests for either.
A team of scientists has successfully generated genetically defined mouse models for two subtypes of multiple myeloma. This will contribute to a better understanding of how the disease develops in humans.
French scientists are developing and testing a new vaccine to combat allergic asthma. Their latest study results pave the way for the organization of a clinical trial.
Researchers at the Universitat Autònoma de Barcelona (UAB) have developed a new type of nanoparticles inspired by the structure of amyloids, capable of neutralising the SARS-CoV-2 virus.
Scientists from Japan demonstrated, for the first time, a successful chemogenetic suppression of widespread epileptic seizures in macaque monkeys. Their findings represent an essential step towards clinical trials, and effective treatment for patients with severe epilepsy.
A new study confirms that haematopoietic stem cell transplantation can be used to cure patients with HIV infections. This third successful case gives new insights into the underlying processes.
Scientists are developing a new kind of light-activated cancer treatments. This would work by switching on LED lights embedded close to a tumour, which would then activate biotherapeutic drugs.
In a world first, scientists from Singapore and Germany have shown that regenerative therapy to restore impaired kidney function may soon be a possibility.
A new blood test that can track and follow the neurodegeneration in Alzheimer's disease - and exclude other dementias.
Dutch scientists have discovered how specialized immune cells can detect and remove cancers that are ‘invisible’ to the conventional defense mechanisms of the immune system.
Swedish researchers have developed a method that should be able to predict whether a patient with breast cancer will benefit from a particular treatment or not.
A newly developed rapid test needs only a few seconds to reliably detect pathogens such as SARS-CoV-2. It is based on specially designed magnetic nanoparticles.
A new study has found that antibodies produced in the nose decline nine months after Covid-19 infection, while antibodies found in the blood last at least a year.
Covid-19 vaccinations that combine two or more distinct variants of SARS-CoV-2 could offer protection against current and future ‘variants of concern’, say scientists from UK and Austria.
A new study demonstrates that AI models, using symptom and demographic features, can help predict Covid-19 infections, providing a way for rapid screening and cost-effective infection detection.
Dutch scientists have performed whole-body PET scans using a radioactively labeled antibody tracer against immune cells, to predict the effect of treatment with immune checkpoint inhibitors.
The Tissue-Tek Genie Advanced Staining System is the first and only fully automated, true random access stainer for immunohistochemistry (IHC) and in situ hybridisation (ISH); allowing any IHC or ISH capsule or probe to be loaded at any time on any station.
Despite treatment, chronic lung diseases such as COPD or cystic fibrosis can become so severe that a lung transplant is necessary. Dr Urte Sommerwerck explains which patients might be considered for transplantation and why follow-up is as important as the surgery itself.
The coronavirus pandemic caused by SARS-CoV-2 and its variants is still a major public safety issue worldwide. The “alpha” variant B.1.1.7, the “gamma” variant P.1, the “beta” variant B.1.351, and the “delta” variant B.1.617 are of particular concern because of their high prevalence. Large-scale vaccination and sensitive detection are vital for preventing the spread of Covid-19.
Some leukemias evade treatment by changing their appearance and identity through changing the read-out of their DNA, a new study has found.
A vaccine design approach that could protect against new variants of SARS-CoV-2 but also potentially protects against other coronaviruses is one step closer to reality as a result of new research.
A study in Japan finds antibody response to the Moderna Covid-19 mRNA vaccine does not vary depending on the time of day when the dose was received.
Imagine a new quality standard that improves the lives of patients and lab professionals in cancer care.
UC San Francisco researchers have developed a drug marking cancer cells for destruction by the immune system.
How can rapid antigen tests be adjusted to reliably detect future variants of SARS-CoV-2? A research team funded by the National Institutes of Health is currently working on finding an answer.
Histopathology company Sakura Finetek Europe announces the launch of its newest solution Tissue-Tek Genie, an advanced staining system, entering a new market.
Researchers discovered that cancer cells mobilize a SOS response when they are desperate to resist anticancer drugs. The team also came up with an anti-SOS approach that blocked the mechanism in mice.
Urine screening tests using only immunoassays are the most common procedures used to identify drug abuse. They are inexpensive, automated, and produce rapid results. But they may generate false-positive or false-negative results, which vary based on the drug, drug class, and the assay used. Hair toxicology analysis is another form of drug testing which, unlike urine tests, enable analysis of drug…
Two-dimensional (2D) cultured cell lines and animal models have been the principal research tools for the past decade, but have several shortcomings. Three-dimensional cell cultures, or organoids, show great promise here.
The new test measures the level of neutralizing antibodies in a blood sample and could help people decide what protections they should take against infection.
The prototype device combines eRapid and SHERLOCK technologies into a single, postcard-sized system that can simultaneously detect the presence of both SARS-CoV-2 RNA and antibodies in a patient’s saliva.
Researchers have developed adeno-associated virus variants that target heart muscle cells and can thus be used for the precise treatment of heart diseases.
Researchers propose a new Covid-19 vaccine that specifically instructs the immune system to produce T-cells rather than antibodies - a promising alternative for people with a weakened immune system.
A sensor identifies misfolded protein biomarkers in the blood. This offers a chance to detect Alzheimer's disease before any symptoms occur. Researchers intend to bring it to market maturity.
Researchers have been able to produce antibodies to the SARS-CoV-2 spike protein in hen eggs. Antibodies harvested from eggs might be used to treat Covid-19 or as a preventative measure.
By comparing the neutralisation capacity induced by the different variants of SARS-CoV-2, a team from Geneva reveals the exceptional capacity of Omicron to evade our immunity.
A new type of vaccine provides protection against a variety of SARS-like betacoronaviruses, including SARS-CoV-2 variants, in mice and monkeys, according to a new study.
Scientists shared one of the first high-resolution looks at the rabies virus glycoprotein in its vulnerable 'trimeric' form, revealing potential vaccine targets.
Researchers have developed an ultrasound-guided cancer immunotherapy platform that generates systemic antitumor immunity and improves the therapeutic efficacy of immune checkpoint blockade.
When a virus makes its way into the body, one of the immune system’s first responders is a set of pathogen-removal cells called macrophages. But they don’t all target viruses in the same way.
Researchers have developed a novel way to fabricate diagnostic devices using paper-based microfluidics that can be rapidly prototyped and scaled for manufacturing.
Scientists from France and Belgium gained insights into the structure and function of a central liver protein: NTCP, a cellular-entry pathway for bile salts – but also for certain hepatitis viruses.
SARS-CoV-2 depends on the broadly antiviral interferon-induced human transmembrane proteins , to enter human cells and replicate inside them.
Dormant herpesviruses induce their reactivation via a previously unknown cellular mechanism mediated by a viral microRNA, Würzburg researchers discovered.
In a new study, scientists from the Hematology Department, University Hospital of Clermont-Ferrand, have successfully evaluated the analytical performance of the Yumizen G DDi 2 hemostatic immunoassay.
A method for delivering genetic material to the body that has proven useful in Covid-19 vaccination is now being tested as a way to repair damaged heart muscle after a heart attack.
An international team has for the first time demonstrated that nerve signals are exchanged between clogged up arteries and the brain.
An international research team has now found an approach to lower the activation of hepatic stellate cells (HSCs) and reduce the associated development of liver fibrosis.
The COVID-19 testing device can detect coronavirus infection in as little as 30 seconds as sensitively and accurately as a PCR test.
A new biodegradable gel improves the immune system’s ability to keep cancer at bay after tumors are surgically removed.
The advantages and limitations of the value of traceability chains in therapeutic drug monitoring will be explored during a key session at the EuroMedLab event.
Molecular radiotherapy shows great potential in becoming a more mainstream treatment for cancer, but the field is being hampered by a limited radionuclide supply.
A new study offers hope against liver cancer: A vaccine proved to be safe and effective protection in premalignant and malignant liver diseases in preclinical mouse models.
A new study has proved that it is possible to convert blood type safely in donor organs intended for transplantation. This is an important step towards creating universal type O organs.
Scientists have confirmed that an inhaled form of COVID vaccine can provide broad, long-lasting protection against the original strain of SARS-CoV-2 and variants of concern.
French researchers have found a way to facilitate access to tumours for killer lymphocytes, paving the way for more efficient immunotherapies against cancer.
Professor Richard Neher from the Biozentrum of the University of Basel is using his Nextstrain platform to investigate which variants of the SARS-CoV-2 virus are currently circulating worldwide.
Researchers from Charité – Universitätsmedizin Berlin and Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE) present new findings on the immune response against SARS-CoV-2.
How long can Covid-19 antigen tests reliably tell the antibody status? Researchers at the Paul-Ehrlich-Institut identified several factors that affect the detection duration.
Autokit CH50 Assay is an in vitro diagnostic (IVD) test for the quantitative determination of total complement activity in human serum. The complement system is a part of the immune system that enhances/complements the ability of antibodies and phagocytic cells to clear pathogens from an organism.
An international team of scientists have identified antibodies that neutralize omicron and other SARS-CoV-2 variants.
The Omicron variant of SARS-CoV-2 may be significantly better at evading vaccine-induced antibodies – but preliminary evidence suggests it is less likely to cause severe illness in the lungs.
Drug delivery, blood extraction, contrast agent injection – many procedures in modern medicine would be utterly impossible without needles. Despite the benefits, inserting pointy metal tubes into a patient also comes with several drawbacks. By downscaling the to micrometer-size, Japanese researchers open even more areas of application for needles, while bypassing some of the most important…
Safety trials are underway for a Cambridge-led vaccine that could be used as a booster targeting Covid-19 virus variants and relatives that threaten future coronavirus pandemics.
Test could measure patient immunity against multiple COVID-19 variants such as Omicron and Delta at once and inform which synthetic monoclonal antibody to use for treatments.
Artificial intelligence-based technique reveals previously unknown cell components that may provide new clues to human development and disease.
A novel protein regulator of tumor angiogenesis, TMEM230, was recently characterized by researchers to have a role in tumor development and vascularization, with potential as a target for anti-tumor therapy in difficult-to-treat cancers such as glioblastoma.
Considerable advances in point-of-care testing (POCT) devices are emerging from lab-on-a-chip platforms, innovations in smartphone-based technology and wearable technology. Cloud-based deep learning systems herald a future revolution.
In May 2022 a shortage of several lab tests may come as many manufacturers struggle to comply with EU regulation requirements covering in vitro diagnostic medical devices (IVDR, Regulation (EU) 2017/746). Even modified tests and laboratory-developed tests will present a problem for hospitals and labs as explained by Dr Thomas Streichert.
The first investigational transplantation of a genetically engineered, nonhuman kidney to a human body was recently completed at NYU Langone Health—marking a major step forward in potentially utilizing an alternative supply of organs for people facing life-threatening disease.
Scientists at Lausanne University Hospital (CHUV) and École polytechnique fédérale de Lausanne (EPFL) have discovered a highly potent monoclonal antibody that targets the SARS-CoV-2 spike protein and is effective at neutralizing all variants of concern identified to date, including the delta variant. Their findings are published in the journal Cell Reports.
The immune system protects the body from cancer. To protect healthy body cells from its own immune system, they have developed a protective shield: the protein CD47 is a so called "don’t eat me" signal, which tells the immune cells to stand back. Tumor cells exploit this CD47-based protection strategy for evading the immune system, by increasing presentation of CD47 on their cell…
Autoimmune hepatitis (AIH) is a chronic liver inflammation that is triggered by an immunological malfunction. In this case, the immune system falsely recognises the patient's own liver cells as "foreign to the body". The symptoms of this rare liver disease are unspecific, and the exact cause is not yet known. If left untreated, AIH can lead to abnormal scarring (fibrosis) of the liver,…
Hope for a future without fear of Covid-19 comes down to circulating antibodies and memory B cells. Unlike circulating antibodies, which peak soon after vaccination or infection only to fade a few months later, memory B cells can stick around to prevent severe disease for decades. And they evolve over time, learning to produce successively more potent “memory antibodies” that are better at…
After infection with SARS-CoV-2, where does the immune system store the memory to provide long-term protection against reinfection? Though numerous studies have examined blood to track immune responses to SARS-CoV-2, a new study of Covid survivors shows that the memory of the infection is primarily stored in T and B cells within the lung and the lymph nodes surrounding the lung.
Researchers at the Centre for Genomic Regulation (CRG) and Pulmobiotics S.L have created the first ‘living medicine’ to treat antibiotic-resistant bacteria growing on the surfaces of medical implants. The researchers created the treatment by removing a common bacteria’s ability to cause disease and repurposing it to attack harmful microbes instead.
Classic antidepressants could help improve modern cancer treatments. They slowed the growth of pancreatic and colon cancers in mice, and when combined with immunotherapy, they even stopped the cancer growth long-term. In some cases the tumors disappeared completely, researchers at the University of Zurich (UZH) and University Hospital Zurich (USZ) have found. Their findings will now be tested in…
A treatment combining two antibodies is recommended for two specific groups of patients with Covid-19 by a WHO Guideline Development Group panel of international experts and patients.
New data highlights a promising new treatment for individuals with HER2-mutant non-small cell lung cancer (NSCLC).
According to new research, vaccinated people are at greatest risk from severe Covid-19 leading to hospitalisation or death from 14 days post the second dose vaccination, when substantial immunity should be expected.
Hokkaido University scientists and colleagues in Japan have found a way that could help some patients overcome resistance to an immunotherapy treatment for cancer. The approach, proven in mice experiments, was reported in the Journal for Immunotherapy of Cancer.
Hospitalized Covid-19 patients are substantially more likely to harbor autoantibodies — antibodies directed at their own tissues or at substances their immune cells secrete into the blood — than people without Covid-19, according to a new study.
Researchers at Umeå University now demonstrate a method by which specific cell types in human organs can be studied with micrometer precision. The method can be used to reveal previously unrecognised alterations in the pancreas, but it can also be used to study other human organs and diseases.
A new technology that can study which therapies will work on patients with solid cancerous tumours has been developed by scientists at University College London (UCL). Researchers say the tool, which can rapidly test tumorous tissue against different treatments, such as chemotherapy, immunotherapy or radiotherapy, could be used by clinicians to pinpoint the best therapy for a particular patient.
Covid-19 infection does not appear to affect the lung function of young adults, according to new research presented at the ‘virtual’ European Respiratory Society International Congress. In the first study to investigate the impact of Covid-19 infection on lung function, researchers led by Dr Ida Mogensen, a post-doctoral fellow at the Karolinska Institute, Stockholm, Sweden, found that even…
Scientists from the German Cancer Research Center (DKFZ) and the Medical Faculty Mannheim, Heidelberg University, have identified a new growth factor produced by blood vessels that enables tumor cells to metastatically colonize organs.
Scientists have grown beating heart cells to attempt to identify drugs to prevent Covid-19-related heart damage. Concerns over the extent of cardiac damage among Covid patients emerged during the coronavirus pandemic and there are also suggestions that the impact on cardiomyocytes could contribute to the symptoms of long Covid. To explore these issues, a research team at the University of…
A solid diagnosis has always been the first step on any patient’s journey to health. However, diagnostic categories are necessarily oversimplifications. In the last decades, medical professionals and scientists have begun to uncover the true variability in patients’ physiological and biochemical make-up that is the principal cause for individual variations in the way diseases present…
A new study of patients with cerebral venous thrombosis (CVT) following Covid-19 vaccination provides a clearer guide for clinicians trying to diagnose and treat patients. The research, led by University College London (UCL) and UCL Health and published in The Lancet, is the most detailed account of the characteristics of CVT, when it is caused by the novel condition vaccine-induced immune…
A novel study published in AACC’s The Journal of Applied Laboratory Medicine shows that delaying the second Covid-19 vaccine dose for more than the recommended 3-4 weeks results in higher antibody levels. This finding could play a vital role in shaping vaccine distribution strategies that increase access to the vaccine around the globe.
Home test kits to check for Covid-19 spike proteins and anti-Covid-19 antibodies are fast and simple to use but lack the sensitivity and accuracy of laboratory tests. Researchers from Eindhoven University of Technology with Utrecht University have developed a new type of sensor that combines the sensitivity and accuracy of current laboratory-based measurements with the speed and low-cost of…
In view of the continuing high numbers of infections, vaccination offers important protection against severe Covid-19 disease. Scientists from the Faculty of Medicine – University of Freiburg have now been able to determine in detail at what time point initial immune protection is established after vaccination with an mRNA-based vaccine and how the reactions of the various components of the…
Patients who experience long Covid have reported more than 200 symptoms across 10 organ systems, in the largest international study of ‘long-haulers’ to date, led by scientists at University College London together with a patient-led research collaborative.
Markers in our blood – ‘fingerprints’ of infection – could help identify individuals who have been infected by SARS-CoV-2, the coronavirus that causes Covid-19, several months after infection even if the individual had only mild symptoms or showed no symptoms at all, say Cambridge researchers. The team has received funding from the National Institute for Health Research to develop a test…
The Lausanne University Hospital (CHUV) and EPFL teamed up to develop a new test that’s sensitive enough to measure the amount of SARS-CoV-2 neutralizing antibodies present in the bloodstream. The scientists’ discovery, published in Science Translational Medicine, opens promising new avenues for tracking immunity acquired by infection or vaccination.
To date, there are no effective antidotes against most virus infections. An interdisciplinary research team at the Technical University of Munich (TUM) has now developed a new approach: they engulf and neutralize viruses with nano-capsules tailored from genetic material using the DNA origami method. The strategy has already been tested against hepatitis and adeno-associated viruses in cell…
Life science research and clinical diagnostics company Bio-Rad Laboratories announced the launch of its PREvalence ddPCR SARS-CoV-2 Wastewater Quantification Kit, a tool to detect the virus that causes Covid-19 in a community’s wastewater. "With wastewater testing becoming more widely adopted, this assay provides the ability for a community to determine if the virus is present days to…
An international research team from Saudi Arabia, Germany, and Jordan has developed a novel pathogen aptasensor swab designed to qualitatively detect, within five minutes, any methicillin-resistant Staphylococcus aureus (MRSA) contamination that remains in a hospital isolation room or other surface following standard decontamination and cleaning.
A new paper on long-Covid describes persistent symptoms six months after acute Covid-19, even in young home isolated people. The study from the Bergen Covid-19 Research Group, which was published in the journal Nature Medicine, followed infected patients during the first pandemic wave in Bergen. "The main novel finding is that more than fifty per cent of young adults up to 30 years old,…
Epstein-Barr virus (EBV) reactivation resulting from the inflammatory response to coronavirus infection may be the cause of previously unexplained long Covid symptoms—such as fatigue, brain fog, and rashes—that occur in approximately 30% of patients after recovery from initial Covid-19 infection. The first evidence linking EBV reactivation to long Covid, as well as an analysis of long Covid…
A team of Johns Hopkins researchers has developed a rapid blood test that could confirm a person has been vaccinated while they wait to board a plane or enter a sporting event.
Months after recovering from mild cases of COVID-19, people still have immune cells in their body pumping out antibodies against the virus that causes COVID-19, according to a study from researchers at Washington University School of Medicine in St. Louis. Such cells could persist for a lifetime, churning out antibodies all the while.
A study of healthcare workers shows they were three times more likely to become infected during the Covid-19 pandemic compared to the general population. Around one in five of workers who were infected were asymptomatic and unaware they had Covid-19. The study published in ERJ Open Research also shows that it was not only frontline staff who faced the higher risk, suggesting that there was…
The Covid-19 pandemic made it clear technological innovations were urgently needed to detect, treat, and prevent the SARS-CoV-2 virus. A year and a half into this epidemic, waves of successive outbreaks and the dire need for new medical solutions — especially testing — continue to exist. In the Journal of Vacuum Science & Technology B, researchers from the University of Florida and…
The largest study of its kind in the UK has identified differences in the immune response to Covid-19 between people with no symptoms, compared to those suffering a more serious reaction to the virus. The research by Newcastle University and collaborators within the Human Cell Atlas initiative found raised levels of specific immune cells in asymptomatic people. They also showed people with more…
A team led by a clinical academic at University College London (UCL) has outlined the mechanism behind rare cases of blood clots and low platelets seen in patients who have had the Oxford/AstraZeneca vaccine. The new study, published in the New England Journal of Medicine, highlights the importance of rapidly spotting this new syndrome, known as vaccine-induced thrombosis and thrombocytopenia…
The world is still failing to develop desperately needed antibacterial treatments, despite growing awareness of the urgent threat of antibiotic resistance, according to a new report by the World Health Organization. WHO reveals that none of the 43 antibiotics that are currently in clinical development sufficiently address the problem of drug resistance in the world’s most dangerous bacteria.…
One of the characteristic hallmarks of Alzheimer’s disease (AD) is the buildup of amyloid-beta plaques in the brain. Most therapies designed to treat AD target these plaques, but they’ve largely failed in clinical trials. New research by scientists at the Salk Institute upends conventional views of the origin of one prevalent type of plaque, indicating a reason why treatments have been…
Does overcoming a SARS-CoV-2 infection protect against reinfection? The “Rhineland Study”, a population-based study conducted by DZNE in the Bonn area, is now providing new findings in this regard. Blood samples taken last year indicate that an important component of immunity – the levels of specific neutralizing antibodies against the coronavirus - had dropped in most of the study…
A new study by scientists at Kyoto University and the University of Fukui may offer hope for adults who have lost their teeth. The team reports that an antibody for one gene - uterine sensitization associated gene-1 or USAG-1 - can stimulate tooth growth in mice suffering from tooth agenesis, a congenital condition. The paper was published in Science Advances. Although the normal adult mouth has…
Regulatory T cells (Treg cells) are an immune cell type that reduces excessive immune responses and protects the body against autoimmune diseases. A new study shows that Treg cells in human tissues acquire tissue-regenerative features and describes a method to generate these cells in the laboratory.
Using an ordinary light microscope, engineers at the Massachusetts Institute of Technology (MIT) have devised a technique for imaging biological samples with accuracy at the scale of 10 nanometers — which should enable them to image viruses and potentially even single biomolecules, the researchers say. The new technique builds on expansion microscopy, an approach that involves embedding…
In the largest study of its kind to date, researchers at Massachusetts General Hospital, Brigham and Women’s Hospital and the Ragon Institute of MGH, MIT and Harvard have found the new mRNA Covid-19 vaccines to be highly effective in producing antibodies against the SARS-CoV-2 virus in pregnant and lactating women. They also demonstrated the vaccines confer protective immunity to newborns…
Increased allergic reactions may be tied to the corticotropin-releasing stress hormone (CRH), suggests a new study. These findings may help clarify the mechanism by which CRH induces proliferation of mast cells (MC) – agents involved in the development of allergies in the human nasal cavity.
The Institute for Research in Biomedicine (IRB) in Switzerland developed a second-generation ‘double antibody’ that protects from SARS-CoV-2, the virus causing Covid-19, and all its tested variants. It also prevents the virus from mutating to resist the therapy. Antibody-based immunotherapy was already shown to be effective against Covid-19 but faces two main obstacles: it needs to work…
Scientists from Singapore found that antibodies against SARS-CoV-2 wane at different rates, lasting for mere days in some individuals, while remaining present in others for decades. The study, published in The Lancet Microbe, shows that the severity of the infection could be a deciding factor in having longer-lasting antibodies. Individuals with low levels of neutralising antibodies may still be…
Researchers at University of Toronto have developed a new test to accurately detect coronavirus antibodies in a drop of blood in less than an hour.
Researchers investigated whether the vaccine recipients developing unusual thrombotic events and thrombocytopenia could have a prothrombotic disorder caused by platelet-activating antibodies directed against a platelet protein, as a similar mechanism is known to be caused by heparin and sometimes other environmental triggers.
Do BMMFs, the novel infectious agents found in dairy products and bovine sera, play a role in the development of colorectal cancer? Scientists led by Harald zur Hausen detected the pathogens in colorectal cancer patients in close proximity to tumors. The researchers show that the BMMFs trigger local chronic inflammation, which can cause mutations via activated oxygen molecules and thus promote…
Scientific and public health experts have been raising the alarm for decades, imploring public officials to prepare for the inevitability of a viral pandemic. Infectious epidemics seemingly as benign as "the flu" and as deadly as the Ebola virus provided ample warning, yet government officials seemed caught off guard and ill prepared for dealing with Covid-19.
Researchers at the University of Arizona are developing a Covid-19 testing method that uses a smartphone microscope to analyze saliva samples and deliver results in about 10 minutes. The research team, led by biomedical engineering professor Jeong-Yeol Yoon, aims to combine the speed of existing nasal swab antigen tests with the high accuracy of nasal swab PCR, or polymerase chain reaction,…
Researchers from Helmholtz Zentrum Muenchen, the Technical University of Munich and the German Center for Diabetes have discovered a novel and druggable insulin inhibitory receptor, named inceptor. The blocking of inceptor function leads to an increased sensitisation of the insulin signaling pathway in pancreatic beta cells. This might allow protection and regeneration of beta cells for diabetes…
This FAQ from the American College of Allergy, Asthma and Immunology is provided to help answer patient questions about COVID-19 vaccines. These recommendations are based on best knowledge to date, but could change at any time, pending new information and further guidance from the FDA or CDC.
Olympus Corporation announced that it has entered into an agreement to acquire Quest Photonic Devices B.V. for up to EUR50 million including milestone payments to strengthen its surgical endoscopy capabilities. Quest offers advanced fluorescence imaging systems (FIS) for the medical field, enabling more surgical endoscopy capabilities, compared to conventional imaging technologies.
As the first coronavirus vaccines started to be rolled out at the end of a tumultuous 2020, UK officials unexpectedly endorsed stretching the gap between the first and second vaccine dose by up to three months – an approach also considered by other countries.
Blood draws are no fun. They hurt. Veins can burst, or even roll — like they’re trying to avoid the needle, too. Oftentimes, doctors use blood samples to check for biomarkers of disease: antibodies that signal a viral or bacterial infection, such as SARS-CoV-2, the virus responsible for COVID-19, or cytokines indicative of inflammation seen in conditions such as rheumatoid arthritis and…
Clinical diagnostics company Beckman Coulter launched its Access SARS-CoV-2 IgG II assay in countries accepting the CE Mark. The new Access SARS-CoV-2 IgG II assay quantitatively measures a patient’s level of antibodies in response to a previous SARS-CoV-2 infection. The ability to establish a quantitative baseline to evaluate an individual’s immune response to the SARS-CoV-2 virus allows…
One of the most vexing aspects of the Covid-19 pandemic is doctors’ inability to predict which newly hospitalized patients will go on to develop severe disease, including complications that require the insertion of a breathing tube, kidney dialysis or other intensive care. Knowledge of a patient’s age and underlying medical conditions can help predict such outcomes, but there are still…
According to current studies, the Covid-19 disease which is caused by the SARS-CoV-2 coronavirus comprises at least five different variants. These differ in how the immune system responds to the infection. Researchers from the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, together with other experts from Germany, Greece and the Netherlands, present these findings…
A new generation of tissue microarrays are delivering more efficient and time-effective solutions to answering complex clinical and scientific questions. Sitting at the core of this new approach is digital pathology, allowing specific and targeted analysis of small areas of tissue.
Predicting cancer outcome could help with a clinical decision regarding a patient’s treatment. In his keynote speech during the online ‘7th Digital Pathology and AI Congress: Europe’, Johan Lundin, Research Director at the Institute for Molecular Medicine Finland (FIMM) at the University of Helsinki and Professor of Medical Technology at Karolinska Institute, discussed ‘Outcome and…
Researchers at Karolinska Institutet have developed, in collaboration with researchers in Germany and the U.S., new small antibodies, also known as nanobodies, which prevent the SARS-CoV-2 coronavirus from entering human cells. The research study, published in Science, shows that a combined nanobody had a particularly good effect – even if the virus mutated. According to the researchers, the…
Researchers at the University of Chicago have created the first usable computational model of the entire virus responsible for Covid-19—and they are making this model widely available to help advance research during the pandemic. “If you can understand how a virus works, that’s the first step towards stopping it,” said Prof. Gregory Voth, whose team created the model published in…
Even those who understand the scientific process, trust medical experts and know how important vaccines are for fighting infectious diseases might still have some questions or concerns about the new Covid-19 vaccines. Here, Thaddeus Stappenbeck, MD, PhD, helps set the record straight on 8 common questions, concerns and myths that have emerged about Covid-19 vaccines.
Before the pandemic, the lab of Stanford University biochemist Peter S. Kim focused on developing vaccines for HIV, Ebola and pandemic influenza. But, within days of closing their campus lab space as part of Covid-19 precautions, they turned their attention to a vaccine for SARS-CoV-2, the virus that causes Covid-19. Although the coronavirus was outside the lab’s specific area of expertise,…
ZTA Biotech, a Budapest-based biotech startup, has developed a Covid-19 antibody (IgG) test using the ELISA protocol. This new detection method represents a great step forward in determining if patients have had a coronavirus infection and if they might still have immunity to the disease. Early results have proven 100% in specificity after testing 280 samples, and 100% sensitivity by testing 260…
Brain metastases can only develop if cancer cells first exit the fine blood vessels and enter into the brain tissue. To facilitate this step, cancer cells influence blood clotting, as scientists from the German Cancer Research Center and Heidelberg University Hospital have now been able to show in mice. The cancer cells actively promote the formation of clots, which helps them to arrest in the…
A promising approach to treating cancer—called targeted alpha-particle therapy or TAT—could better harness the curative power of radiation treatments and lessen the severity of their more debilitating side effects.
A recent preclinical study from scientists at Sunnybrook Research Institute, Canadian Blood Services and the University of Toronto has demonstrated that focused ultrasound improves the delivery of intravenous immunoglobulin (IVIg), a blood product composed of antibodies from healthy donors, previously shown to have potential in treating a subgroup of patients with Alzheimer’s disease.
Germany’s lack of diagnostic ability led to significantly underestimation of its own as well as global Covid-19 infection levels during the first wave. Now, however, improved testing and diagnosis of the condition more realistically reveal nearer 20,000 new cases a day across the country, according to Professor Hendrik Streeck, one of the country’s leading virologists. Speaking at a virtual…
The new generation troponin I assay unveiled by Beckman Coulter is helping improve heart attack diagnosis. Delivering high sensitivity, and rapid result turnaround times, every element of the Access hsTnI assay has been redeveloped and updated, including the antibodies and the paramagnetic particles used. As specialists in developing and manufacturing products that simplify and automate complex…
Scientists report on their detailed look at B cells' presence inside tumors. B cells represent the other major arm of the adaptive immune system, besides T cells, and could offer opportunities for new treatments against some kinds of cancers.
A new study suggests that individuals who have previously had COVID-19 are highly unlikely to contract the illness again, for at least six months following their first infection. The study, done as part of a major collaboration between the University of Oxford and Oxford University Hospitals (OUH) NHS Foundation Trust, was published as a pre-print.
Siemens Healthineers announced its SARS-CoV-2 IgG Antibody Test (sCOVG) has proven to measure neutralizing antibodies and has achieved CE Mark. The test is an enhanced version of the assay which became available globally this summer. It demonstrates the ability to detect neutralizing antibodies and reports quantitative results measuring the amount of neutralizing antibodies present in a patient's…
In early 1990, at Analytica, in Munich, a young US-American researcher Kary B Mullis received the award for biochemical analytics for his 1983 invention: the polymerase chain reaction (PCR) – a success topped in 1993 by the Nobel Prize for chemistry. Mullis’ work revolutionised DNA copying, a process which, before PCR, had taken weeks. Whilst initially PCR was used to create digital…
Beckman Coulter announced the launch of its Access SARS-CoV-2 Immunoglobulin M (IgM) assay in countries accepting the CE Mark. The new IgM antibody test demonstrated 99.9% specificity with 1,400 negative samples and 100% sensitivity at >18 days post symptom onset and post positive PCR. Beckman Coulter’s IgM assay is part of a full suite of testing solutions the company is developing to…
The accuracy of a rapid finger-prick antibody test for SARS-CoV-2, the virus responsible for covid-19 infection, may be considerably lower than previously suggested, finds a study published by The BMJ. The results suggest that if 10% of people given the test had previously been infected, around 1 in 5 positive test results would be incorrect (false positive results). These conclusions contrast…
Researchers at Duke University and the University of California, Los Angeles, have developed a biomaterial that significantly reduces scar formation after wounding, leading to more effective skin healing. This new material, which quickly degrades once the wound has closed, demonstrates that activating an adaptive immune response can trigger regenerative wound healing, leaving behind stronger and…
The academic teaching Karlsruhe Hospital, at the University of Freiburg, is the largest hospital providing tertiary care in the Middle Upper Rhine Valley. Every year, 63,000 in-patients and 180,000 out-patients are treated in the 1,500-bed facility with 50 departments and 30 out-patient clinics. Inevitably, a hospital of this size has a central lab. We spoke with Dr Horst Mayer, managing senior…
An innovative nanoparticle vaccine candidate for the pandemic coronavirus produces virus-neutralizing antibodies in mice at levels ten-times greater than is seen in people who have recovered from COVID-19 infections. Designed by scientists at the University of Washington School of Medicine in Seattle, the vaccine candidate has been transferred to two companies for clinical development.
University of Pittsburgh School of Medicine scientists have discovered the fastest way to identify potent, neutralizing human monoclonal antibodies against SARS-CoV-2, the virus that causes COVID-19.
Merck announced a collaboration with Mammoth Biosciences Inc. for the development, scale-up and commercial production of Mammoth’s CRISPR-based SARS CoV-2 diagnostic test.
Asymptomatic coronavirus sufferers appear to lose detectable antibodies sooner than people who have exhibited COVID-19 symptoms, according to one of the biggest studies of its kind in Britain published on Tuesday.
Research and innovation hub Imec announced that it has started developing a groundbreaking SARS-CoV-2 test. Unlike current approaches (using blood, saliva, or a nasopharyngeal swab), the new test will identify SARS-CoV-2 virus particles in a person’s exhaled breath. The solution promises the accurate identification of a contagious case in less than five minutes.
Convalescent plasma shows limited effectiveness as a potential treatment for patients with COVID-19 to help them fight off the infection, finds a clinical trial from India published by The BMJ. The findings show that convalescent plasma fails to reduce mortality or stop progression to severe COVID-19.
A team of researchers in the US and Australia have developed a way of testing potential drugs for children’s cancers so as to take account of the wide genetic diversity of these diseases. In new research to be presented at the 32th EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics, Professor Peter Houghton, director of the Greehey Children’s Cancer Research Institute (San…
The coronavirus SARS-CoV-2 is known to infect cells via the receptor ACE2. An international research team under German-Finnish coordination has now identified neuropilin-1 as a factor that can facilitate SARS-CoV-2 entry into the cells’ interior. Neuropilin-1 is localized in the respiratory and olfactory epithelia, which could be a strategically important localization to contribute to…
The present Coronavirus pandemic with all its effects on society – both health and economic – highlights the urgency of developing new therapies for COVID-19 treatment. At the same time, it demonstrates the necessity to become well prepared for new virus infections we may be facing in the future. To help control the current pandemic and brace for novel pathogens that may cause future…
As President Trump claims that he is immune to COVID-19 and isolated reports emerge of reinfection, what is the truth about immunity to COVID-19? To date, there have been six published cases of COVID-19 reinfection, with various other unverified accounts from around the world. Although this is a comparably small fraction of the millions of people known to have been infected, should we be…
Innate immunity is the fastest-acting component of the immune system, but so far little is known about its role during infection with SARS-CoV-2. A few hours after an infection, the body emits an alarm signal, interferon, enabling cells that have not yet been infected to produce antiviral proteins. This phenomenon occurs well before the production of neutralizing antibodies. Scientists from the…
An up-and-coming gene therapy for blood disorders. A new class of medications for cystic fibrosis. Increased access to telemedicine. These are some of the innovations that will enhance healing and change healthcare in the coming year, according to a distinguished panel of clinicians and researchers from Cleveland Clinic. In conjunction with the 2020 Medical Innovation Summit, Cleveland Clinic…
The 2020 Nobel Prize in Medicine is awarded to three scientists who have made a decisive contribution to the fight against blood-borne hepatitis, a major global health problem that causes cirrhosis and liver cancer in people around the world. Harvey J. Alter, Michael Houghton and Charles M. Rice made seminal discoveries that led to the identification of a novel virus, Hepatitis C virus.
Our immune system can efficiently fend off viral diseases. Two types of immune cells play an important role in this process: The T-cells, which firstly can directly destroy virus-infected cells and secondly enable the formation of efficient, virus-neutralizing antibodies by B-cells. These two cell types also play a crucial role in the immune defense against SARS-CoV-2 infection. Whereas antibody…
The COVID-19 pandemic has created a flood of potentially substandard research amid the rush to publish, with a string of papers retracted or under a cloud and a surge in submissions to pre-print servers where fewer quality checks are made, a leading ethicist has warned in the Journal of Medical Ethics. This has implications for patients, clinicians, and potentially government policy, says…
As COVID-19 infections begin to rise again, a novel testing strategy proposed by researchers at the University of Oxford at the start of the pandemic has become urgent once again. The strategy aims to bring the virus’s reproduction number (‘R’) down to below 1, by concentrating testing resources on particular groups in the population that are most likely to spread the infection to others,…
Researchers at the German Center for Neurodegenerative Diseases (DZNE) and Charité - Universitätsmedizin Berlin have identified highly effective antibodies against the coronavirus SARS-CoV-2 and are now pursuing the development of a passive vaccination. In this process, they have also discovered that some SARS-CoV-2 antibodies bind to tissue samples from various organs, which could potentially…
A deadly combination of two mosquito-borne viruses may be a trigger for stroke, new research published in the The Lancet Neurology has found. University of Liverpool researchers and Brazilian collaborators have been investigating the link between neurological disease and infection with the viruses Zika and chikungunya. These viruses, which mostly circulate in the tropics, cause large outbreaks of…
Contrary to expectations, the risk of COVID-19 infection among hospital staff at the height of the coronavirus pandemic was lowest among intensive care clinicians, reveals a study of one major UK medical centre, published in the journal Thorax.
A new study has suggested that more patients could benefit from combinations of cholesterol-lowering drugs to reduce their risk of stroke and heart attacks. While risk is reduced for many patients through taking statins, those at the highest risk of cardiovascular events may benefit from combinations of lipid-lowering therapies, according to the results of a European study of patients across 18…
In the most comprehensive study of COVID-19 pediatric patients to date, Massachusetts General Hospital (MGH) and Mass General Hospital for Children (MGHfC) researchers provide critical data showing that children play a larger role in the community spread of COVID-19 than previously thought. In a study of 192 children ages 0-22, 49 children tested positive for SARS-CoV-2, and an additional 18…
Contrary to what has been generally assumed so far, a severe course of COVID-19 does not solely result in a strong immune reaction – rather, the immune response is caught in a continuous loop of activation and inhibition.
Airborne and potentially deadly, the virus that causes COVID-19 can only be studied safely under high-level biosafety conditions. Scientists handling the infectious virus must wear full-body biohazard suits with pressurized respirators, and work inside laboratories with multiple containment levels and specialized ventilation systems. While necessary to protect laboratory workers, these safety…
A team of scientists at Oxford University’s Jenner Institute and Oxford Vaccine Group has taken the next step towards the discovery of a safe, effective and accessible vaccine against coronavirus. The results of the Phase I/II trial published in the scientific journal, The Lancet, indicate no early safety concerns and induces strong immune responses in both parts of the immune system.
The T cells, along with antibodies, are an integral part of the human immune response against viral infections due to their ability to directly target and kill infected cells. A Singapore study has uncovered the presence of virus-specific T cell immunity in people who recovered from COVID-19 and SARS, as well as some healthy study subjects who had never been infected by either virus.
Public Health England, in partnership with the University of Oxford, recently conducted a head-to-head evaluation of four commercial immunoassay tests available in the UK and used for the detection of SARS-CoV-2 antibodies.
It remains one of the key questions of the current corona pandemic: Why do people infected with SARS-CoV-2 experience varying degrees of COVID-19, the disease which it triggers? Researchers, led by Professor Mascha Binder from University Hospital Halle (Saale), have investigated more than 14 million receptor sequences of B and T cells, i.e. immune cells, obtained from blood samples of COVID-19…
Researchers have developed a human cell ‘membrane on a chip’ that allows continuous monitoring of how drugs and infectious agents interact with our cells, and may soon be used to test potential drug candidates for COVID-19. The researchers, from the University of Cambridge, Cornell University and Stanford University, say their device could mimic any cell type - bacterial, human or even the…
New research from Karolinska Institutet and Karolinska University Hospital shows that many people with mild or asymptomatic COVID-19 demonstrate so-called T-cell-mediated immunity to the new coronavirus, even if they have not tested positively for antibodies. According to the researchers, this means that public immunity is probably higher than antibody tests suggest. The article is freely…
Major weaknesses exist in the evidence base for COVID-19 antibody tests, finds a review of the latest research published by The BMJ. The evidence is particularly weak for point-of-care tests (performed directly with a patient, outside of a laboratory) and does not support their continued use, say the researchers. Serological tests to detect antibodies against COVID-19 could improve diagnosis and…
Beckman Coulter announced that its Access SARS-CoV-2 IgG assay has received Emergency Use Authorization (EUA) from the U.S. Food & Drug Administration (FDA). Beckman Coulter has already shipped tests to more than 400 hospitals, clinics and diagnostics laboratories in the U.S., and has begun distribution of the new antibody test globally to countries that accept the FDA EUA and CE Mark. The…
A group of senior clinical academics and physicians are concerned about the rapid roll out of COVID-19 antibody testing in England and are publicly questioning how good the tests are - or even what they mean. In a letter to The BMJ, they argue that there is currently no valid clinical reason for large scale testing, test performance has not yet been adequately assessed, and testing risks…