Current Antibodies News and Events

Current Antibodies News and Events, Antibodies News Articles.
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B cells continue to work against SARS-CoV-2 months after infection, but do not recognize mutant
A new analysis of B cells and more than 1,000 different monoclonal antibodies from 8 patients with COVID-19 shows that, contrary to previous hypotheses, protective B cell responses to the SARS-CoV-2 spike protein remain stable and continue to evolve over a 5-month period, many months after the initial period of active viral replication. (2021-02-23)

Biological therapy has proved a suitable alternative to antibiotics
Tel Aviv University researchers have developed a biological substitute for the treatment of tuberculosis, which in the future could serve as an alternative for the traditional ''chemical'' antibiotic therapy. Dr. Freund: ''Advances in molecular medicine enable us to develop new tools to rout microbes, which can also solve the problem of drug-resistant germs''. This groundbreaking study has been published in the prestigious scientific journal Nature Communications. (2021-02-22)

Researchers learn that pregnant women pass along protective COVID antibodies to their babies
Antibodies that guard against COVID-19 can transfer from mothers to babies while in the womb, according to a new study from Weill Cornell Medicine and NewYork-Presbyterian researchers published in the American Journal of Obstetrics and Gynecology. (2021-02-22)

Improving immunotherapies for blood cancers: real-time exploration in the tumor
Monoclonal antibodies are part of the therapeutic arsenal for eliminating cancer cells. Some make use of the immune system to act and belong to a class of treatment called ''immunotherapies.'' But how do these antibodies function within the tumor? And how can we hope to improve their efficacy? Using innovative in vivo imaging approaches, scientists from the Institut Pasteur and Inserm visualized in real time how anti-CD20 antibodies, used to treat B-cell lymphoma, guide the immune system to attack tumor cells. (2021-02-21)

Researchers 'cautiously optimistic' about desert bighorn sheep recovery in Mojave Desert
Desert bighorn sheep in the Mojave National Preserve in California and surrounding areas appear to be more resilient than previously thought to a respiratory disease that killed dozens of them and sickened many more in 2013, a new study has found. (2021-02-21)

Genetics may play role in determining immunity to COVID-19
UC San Diego researchers report that individual immune response to SARS-CoV-2 may be limited by a set of variable genes that code for cell surface proteins essential for the adaptive immune system. The finding may help explain why COVID-19 immunity varies by individual. (2021-02-18)

Antibody response may drive COVID-19 outcomes
Researchers at the Ragon Institute of MGH, MIT and Harvard and Massachusetts General Hospital show that levels of specific antibodies developed in the immune response may influence COVID-19 outcomes in both children and adults. (2021-02-18)

Protein linked to Alzheimer's, strokes cleared from brain blood vessels
Amyloid deposits in the brain increase the risk of dementia and strokes. Researchers at Washington University School of Medicine in St. Louis have identified an antibody that clears amyloid deposits from the brain without raising the risk of brain bleeds. (2021-02-17)

Salk team reveals never-before-seen antibody binding, informing liver cancer, antibody design
In structural biology, some molecules are so unusual they can only be captured with a unique set of tools. That's precisely how a team led by Salk scientists defined how antibodies can recognize a compound called phosphohistidine--a highly unstable molecule that has been found to play a central role in some forms of cancer. The study was published in the Proceedings of the National Academy of Sciences on February 5. (2021-02-17)

Cancer research: Targeted elimination of leukemic stem cells
Cancer research in Bern has discovered a further mechanism to combat leukemia: a research team at Inselspital, Bern University Hospital and the University of Bern has succeeded in identifying an important signaling pathway for regulating leukemic stem cells. With this discovery, the researchers are expanding the arsenal of potentially highly effective drugs against leukemia. (2021-02-16)

Antibody-based COVID-19 treatments work best in concert with immune cells
Antibody-based drugs have been authorized for emergency use in COVID-19 patients by the Food and Drug Administration. Researchers at Washington University School of Medicine in St. Louis have discovered that the ability to interact with other elements of the immune system is an indispensable part of the effectiveness of such antibodies. The findings could help improve the design of the next generation of antibody-based COVID-19 drugs. (2021-02-16)

Let the immune cell see the virus: Scientists discover unique way to target common virus
Scientists at Cardiff University have discovered a unique way to target a common virus that affects one in 200 newborn babies in the UK but for which there is only limited treatments available. (2021-02-15)

New insight into antibody-induced protective immunity to COVID-19
Researchers at the Ragon Institute of MGH, MIT and Harvard and the Brigham and Women's Hospital collaborate with SpaceX to identify humoral immune features which may track with lasting protection against SARS-CoV-2. (2021-02-15)

One dose of COVID-19 vaccine provokes strong immune response in those previously infected
Researchers report preliminary evidence that people previously infected with COVID-19 responded very strongly to one dose of the Pfizer vaccine, regardless of when they were infected and whether or not they had detectable antibodies against COVID-19 prior to receiving the vaccine. The response was so effective that it opens the debate as to whether one dose of the vaccine may suffice. The research also provided evidence that immune response was similar across multi-ethnic groups. (2021-02-11)

The therapeutic potential of peptides
There are more than 80 peptide drugs on the global market and about twice as many in clinical development. Due to their beneficial properties, these biomolecules play already an important role in the treatment of diseases. In Nature Reviews Drug Discovery, a team of Austrian and Australian scientists led by Markus Muttenthaler of the University of Vienna present an outlook on the latest trends in peptide drug discovery and development. (2021-02-10)

Antibodies to common cold coronaviruses do not protect against SARS-CoV-2
Past exposure to seasonal coronaviruses (CoVs), which cause the common cold, does not result in the production of antibodies that protect against the novel coronavirus SARS-CoV-2, according to a study Penn Medicine. Researchers said although antibodies from prior coronavirus infections cannot prevent SARS-CoV-2 infections, it is possible that pre-existing memory B cells and T cells could potentially provide some level of protection or at least reduce the disease severity of COVID-19. (2021-02-10)

Biomaterials could mean better vaccines, virus-fighting surfaces
Advances in the fields of biomaterials and nanotechnology could lead to big breakthroughs in the fight against dangerous viruses like the novel coronavirus that causes COVID-19. In APL Bioengineering, researchers from the Indian Institute of Science describe possibilities being explored by scientists, combining biomaterials and nanotechnology, to make vaccines more effective and build surfaces that could fight and kill viruses on their own. (2021-02-09)

Bats & pangolins in Southeast Asia harbour SARS-CoV-2-related coronaviruses, reveals new study
A new study led by scientists from Duke-NUS Medical School, Singapore, and Chulalongkorn University, Thailand, shows that SARS-CoV-2-related coronaviruses (SC2r-CoVs) are circulating in animals as far away as Thailand. The study, published in Nature Communications today, reported that high levels of neutralising antibodies against the virus were present in both bats and pangolins found in the Southeast Asian country. The study further indicates that more SC2r-CoVs are likely to be discovered in the region. (2021-02-09)

Scientists urge for investment now in highly potent vaccines to prevent the next pandemic
In an article that appears in the journal Nature, Dennis Burton, PhD, and Eric Topol, MD, of Scripps Research call for governments to provide significant funding support for rational vaccine design based on broadly neutralizing antibodies. Such antibodies provide broad-spectrum potency against viruses, a valuable characteristic that opens the door to vaccines that could provide immunity against the many variants that might evolve from a fast-mutating virus. They could also be used as drugs to prevent and treat infections. (2021-02-09)

Breastfeeding mothers produce COVID-19 antibodies capable of neutralizing virus
Breastfeeding women with COVID-19 do not pass along the SARS-CoV-2 virus in their milk but do transfer milk-borne antibodies that are able to neutralize the virus, a multi-institutional team of researchers led by the University of Idaho reported. (2021-02-09)

Fungi in the gut prime immunity against infection
Common fungi, often present in the gut, teach the immune system how to respond to their more dangerous relatives, according to new research from scientists at Weill Cornell Medicine. Breakdowns in this process can leave people susceptible to deadly fungal infections. (2021-02-05)

COVID-19 vaccine from new vaccine platform effective in mice
It is necessary to develop additional COVID-19 vaccines, as different vaccine approaches have their advantages and disadvantages and may work synergistically. Researchers at Karolinska Institutet in Sweden now report that they have developed a prototype vaccine against SARS-CoV-2 using a DNA vaccine platform that is inexpensive, stable, easy to produce, and shows a good safety profile. A study published in Scientific Reports shows that the vaccine induces potent immune responses in mice. (2021-02-04)

Emory MVA COVID-19 vaccine safe and effective in animal models
Yerkes NPRC/Emory University researchers have developed a COVID-19 vaccine that has proven safe and effective in mice and monkeys. The Emory MVA COVID-19 vaccine uses modified vaccinia Ankara (MVA) to induce strong neutralizing antibodies and killer CD8 T cells. Researchers say the vaccine is easily adaptable to address variants, can be used in combination with existing vaccines to improve their ability to combat variants and may be equally effective with a single dose. (2021-02-04)

Duration of antibody response varies among adults naturally reinfected with RSV
Researchers at Baylor College of Medicine found that while most individuals responded to respiratory syncytial virus (RSV) natural reinfection with a typical sustained antibody response associated with protection, a few individuals surprisingly responded atypically, not being able to sustain the antibody response, which declined to levels that made the individuals susceptible to RSV reinfection. (2021-02-04)

Retrained generic antibodies can recognize SARS-CoV-2
An alternative approach to train the immunity response is offered by researchers at the University of Illinois Chicago and California State University at Sacramento who have developed a novel strategy that redirects antibodies for other diseases existing in humans to the spike proteins of SARS-CoV-2. (2021-02-03)

Intranasal influenza vaccine spurs strong immune response in Phase 1 study
An experimental single-dose, intranasal influenza vaccine was safe and produced a durable immune response when tested in a Phase 1 study published in the Journal of Clinical Investigation. The investigational vaccine, called Ad4-H5-VTN, is a recombinant, replicating adenovirus vaccine designed to spur antibodies to hemagglutinin, a protein found on the surface of influenza viruses that attaches to human cells. (2021-02-03)

Moffitt researchers discover mechanism that regulates anti-tumor activity of immune cells
In a new article published in Nature, Moffitt Cancer Center researchers demonstrate why some ovarian cancer patients evolve better than others and suggest possible approaches to improve patient outcomes. (2021-02-03)

Engineering immunity
University of New Mexico researchers study the use of virus-like particles to create a stable and effective malaria vaccine. (2021-02-03)

When hyperactive proteins trigger illnesses
Autoimmune diseases, in which the body's own immune system attacks healthy tissue, can be life-threatening and can impact all organs. A research team at the Technical University of Munich (TUM) has now found a possible cause for these self-destructive immune system attacks: a hyperactive RANK protein on the surface of B cells. The research opens the door to new therapeutic possibilities. (2021-02-02)

Early functional SARS-COV-2 specific T cell response may prevent severe infection
Antibodies and T cells are components of the human immune system that directly act against viral infections and eliminate infected cells. A new study by scientists from Duke-NUS Medical School, provides evidence that an early presence of SARS-CoV-2 specific T cells in COVID-19 is likely to prevent severe disease. The study, published in Cell Reports, has important implications for the clinical management of COVID-19 patients. (2021-02-01)

Holonyak lab team creates fast, cheap, accessible COVID-19 antibody test
When COVID-19 began developing into a global crisis in early 2020, this research group was already working on an NIH-funded project to develop a ''flu chip'' that would rapidly determine the most likely cause of a fever by measuring several proteins within a droplet of blood. They decided to pivot their efforts to detect COVID-19 antibodies instead. (2021-02-01)

Glitch in genome architecture may cause B-cell malignancies
Restoring an enzyme that maintains the way chromosomes are packed inside cells may lead to new therapies for some blood cancers, according to a new study by Columbia researchers. (2021-02-01)

Study details N439K variant of SARS-CoV-2
An international team of researchers has characterized the effect and molecular mechanisms of an amino acid change in the SARS-CoV-2 Spike protein N439K. Viruses with this mutation are both common and rapidly spreading around the globe. The peer reviewed version of the study appears January 25 in the journal Cell. (2021-01-28)

First study to look at potency of maternal antibodies
In a new study to be presented today at the Society for Maternal-Fetal Medicine's (SMFM) annual meeting, The Pregnancy Meeting™, researchers will unveil findings that suggest that women who contract COVID-19 during pregnancy are able to make antibodies, but that transfer of these antibodies to their infants is less than expected. (2021-01-28)

New biosensors quickly detect coronavirus proteins and antibodies
Researchers have designed protein-based biosensors that glow when mixed with targeted molecules, such as components of the pandemic coronavirus or specific COVID-19 antibodies. This development could allow for faster, more widespread testing in the near future. Similar biosensors could be designed to detect medically relevant human proteins such as Her2 (a biomarker for some breast cancers) and Bcl-2 (which has clinical significance in some other cancers), as well as a bacterial toxin and antibodies that target Hepatitis B virus. (2021-01-28)

Antibody highs and lows in survivors of Ebola
A high proportion of survivors of Ebola experienced a resurgence in antibody levels nearly a year after recovery, a new University of Liverpool study has found. Published today in Nature, the finding hints that hidden reservoirs of virus could exist long after symptoms ease and has implications for monitoring programmes and vaccine strategies. (2021-01-27)

Oncotarget: Improved therapeutic efficacy of unmodified anti-tumor antibodies
The Oncotarget findings suggest that MEKi induced an increased expression of tumor-associated antigens, which in combination with anti-tumor antibodies, generated a robust adaptive anti-tumor response that was sustained by immune checkpoint inhibition therapy. (2021-01-25)

Adagio publishes preclinical data on lead coronaviruses antibody
Adagio Therapeutics Publishes Preclinical Data in Science Demonstrating Best-in-Class Breadth and Potency Against SARS-CoV-2, Including Known Circulating Resistance Variants, and a Range of Pre-Emergent Coronaviruses. (2021-01-25)

Mapping mutations that escape antibodies against COVID-19 suggests prior mapping incomplete
A new approach to mapping viral mutations that 'escape' leading clinical antibodies has revealed mutations in the SARS-CoV-2 virus that allow it to evade treatments, including a single amino-acid mutation that fully escapes Regeneron's antibody cocktail. (2021-01-25)

Researchers engineer antibody that acts against multiple SARS-like viruses
Researchers have engineered an antibody that neutralizes SARS-CoV-2 with a potency that 'rivals' current lead SARS-CoV-2 clinical neutralizing antibodies, and that also broadly neutralizes a range of clade 1 sarbecoviruses. (2021-01-25)

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