Articles tagged with Antibodies
Researchers have developed an antibody-coated stent that reduces restenosis and prevents blood clots, leading to improved cardiovascular treatment outcomes. The device captures endothelial progenitor cells to promote healing and prevent re-narrowing of the artery.
A new study found that antibodies in female mice attached to their babies' cells stimulate a T-cell response, leading to ovarian destruction and inflammation. The researchers suggest that exposure to the mother's antibody during critical periods of development is crucial for avoiding autoimmune disease.
Researchers found that small toxic molecules triggering cell damage in degenerative diseases have a similar structure. This discovery implies that these molecules are suitable targets for new drugs or vaccines that could halt progression of many degenerative diseases.
The study reveals how B cell lymphocytes assemble genes to encode specific classes of antibodies, including IgA, IgE, and IgG. The findings also explain the role of activation-induced cytidine deaminase (AID) in initiating gene specialization, a process crucial for the immune response.
Researchers found that even a moderate loss of fat leads to decreased amounts of infection-fighting IgG antibodies, increasing disease susceptibility. Immune system function improved after regrowth of removed fat tissue.
A new spice-like substance, made from freeze-dried egg yolk, shows promise in preventing foodborne illnesses. The antibody-based compound can remain active for up to two hours after ingestion, providing precious time to seek medical attention.
Researchers have combined an antibody with an antioxidant enzyme to protect transplanted lungs from oxidative stress, improving lung-graft survivability and storage time. The anti-PECAM/catalase hybrid construct strengthened antioxidant defenses and reduced free-radical damage in animal models.
A new anti-IgE antibody has shown promise in preventing severe allergic reactions to peanuts. The treatment increased patients' threshold sensitivity to peanut flour, allowing them to consume more without a reaction.
Researchers at Scripps Research Institute have found that the human body produces ozone as part of a mechanism to protect itself from bacteria and fungi. The discovery suggests a new role for neutrophils and antibodies in the immune system, potentially leading to new treatments for inflammatory diseases.
Researchers at Rockefeller University reveal a crucial link between the Ezh2 protein and chromatin modifications, enabling the development of a wide range of antibodies. The discovery provides new insights into B cell biology and the immune system.
A new antibody library developed by PNNL scientists can identify antibodies in days, reducing labor costs and improving the design of medical treatments. The library, which contains 1 billion human antibodies, uses a yeast surface display method to quickly screen for useful antibodies.
Researchers create a new, cost-effective way to produce human therapeutic proteins using algae. They can now make large quantities of antibodies and other proteins much cheaper than traditional methods.
Scientists have developed a way to measure protein flexibility using lasers, revealing a dynamic process in antibody-antigen recognition. The technique allows for the detection of rapid molecular motions, suggesting that antigen recognition may not be a simple lock-and-key mechanism.
Research reveals that mice without the calcitonin gene exhibit greater bone mass and formation, suggesting a novel function for this hormone. This discovery opens up new avenues for preventing bone loss associated with estrogen deficiency.
Researchers discovered that a high level of perceived life stress was associated with low antibody levels in students after receiving the meningitis C vaccine. Low psychological well-being, such as feeling anxious or under strain, was also linked to low antibody levels.
Researchers found that patients with advanced prostate cancer treated with zoledronic acid experienced fewer bone complications and less pain compared to those who received a placebo. Additionally, tumors in patients treated with the HuMV833 antiangiogenic antibody showed marked differences in antibody uptake, distribution, and clearance.
Researchers at Johns Hopkins Medicine developed a new technique using plasmapheresis and immunosuppressive medication to prevent antibody production against donor organs. The treatment resulted in an average of 13-month-long protection against organ rejection, significantly reducing long-term complications.
Researchers at the University of Illinois have developed a new molecular imprinting process to create artificial antibodies. The technique involves imprinting a single molecule within a highly branched polymer called a dendrimer, allowing for specific binding and rejection of target molecules. This breakthrough has potential applicatio...
A vaccine has been shown to delay symptoms of prion brain disease in mice by inducing an immune response and producing antibodies. This breakthrough could potentially lead to a therapeutic response and prevent the disease in animals at risk.
Researchers created antibodies that recognize and attach to cancer-fighting drug molecules, separating them from unwanted compounds. The 'smart membrane' technology could replace expensive chromatography methods, promising faster and more efficient drug production within five to 10 years.
Researchers at the University of Pittsburgh's McGowan Institute for Regenerative Medicine have made significant breakthroughs in regenerative medicine. Filtering antibodies from blood may decrease the risk of organ rejection, with experiments showing a 40-60% reduction when coated with specific antigens. Additionally, injecting drag-re...
The company's phase I clinical trial will examine NicVAX's safety and ability to stimulate the immune system in nonsmokers. If successful, additional trials will be conducted to investigate its efficacy in smokers and ex-smokers.
As bodies age, B cells lose potency due to accumulation of antigen-experienced cells. These cells, which were initially effective against previous infections, become less responsive and bind weakly to new pathogens.
Researchers at Princeton University have pinpointed what appears to be a central cause of lupus, an autoimmune disease that affects 1.4 million Americans. The discovery highlights a specific mechanism in B cells that produces disease-fighting antibodies, which can mistakenly attack the body's own DNA.
A new study reveals that patients with gluten sensitivity may experience neurological dysfunction without gastrointestinal symptoms. The research found antibodies against Purkinje cells and cross-reacting antibodies against gluten, suggesting a potential link between gluten consumption and brain damage.
Scientists at Scripps Research Institute have identified human antibodies that can recognize spore surfaces, enabling the detection of anthrax and other bacterial spores. These antibodies could be used to passively immunize individuals exposed to anthrax, providing a simple and inexpensive treatment option.
A simple immunochromatographic assay detected specific antibodies in the blood of untreated coeliac patients, with high accuracy and speed. The test can be done in a doctor's surgery and is useful for screening patients with untypical symptoms or risk factors for coeliac disease.
The Nabi experimental vaccine reduced bloodstream infections caused by Staphylococcus aureus in end-stage kidney disease patients by nearly 60%. The vaccine elicited a significant antibody response in 86% of the patients, and significantly reduced the incidence of systemic S. aureus infection in the blood.
Researchers have created a new vaccine that can prevent life-threatening infections caused by Staphylococcus aureus bacteria, which are resistant to common antibiotics. The vaccine targets the bacteria's capsular polysaccharides and has shown significant efficacy in reducing bacteremia in hemodialysis patients.
Researchers from Brown University and Seattle Biomedical Research Institute found high antibody levels against liver stage antigens (LSAs) correlate with malaria resistance. The study suggests LSAs may stimulate an immune response that protects against infection, paving the way for new malaria vaccine strategies.
Researchers found a virus similar to HEV in rats in Los Angeles, which may contribute to the high rates of HEV antibodies in some inner city areas. The study suggests that infected rats could be a source of exposure for humans and highlights the need for further testing.
Researchers found that bovine thrombin causes an immune response similar to lupus in mice and can lead to post-operative complications. Bovine thrombin is a potent enzyme used in surgical procedures, but its use should be restricted to life-saving surgeries due to the risk of autoimmune responses.
Researchers found a link between higher levels of antibodies neutralizing toxins and better kidney function in patients after heart surgery. The study suggests potential interventions to protect kidneys from endotoxins released by bacteria during surgery.
Researchers found that antibodies can convert oxygen into hydrogen peroxide, a previously unknown mechanism that could enhance their killing power and contribute to autoimmune diseases like lupus. This discovery opens up exciting possibilities for new antibody-mediated therapies for bacterial, viral, and cancer treatments.
Researchers at UC Berkeley have developed a sensitive assay for detecting proteins associated with prostate cancer, which could lead to fast screening and molecular profiling for various diseases. The technique uses micromachined cantilevers that can detect levels of protein markers 20 times lower than the clinically relevant threshold.
Researchers create antibody Fab D18, which blocks prion propagation and clears infectious prions from cell cultures. This breakthrough provides a potential therapeutic target for a human drug to cure established infection.
Vancouver is facing a high risk of an hepatitis A outbreak due to past infections among street youth, injection drug users, and men who have sex with men. The Canadian Medical Association Journal report highlights the need for vaccination programs to protect these groups.
A team of biophysicists introduces a new method in atomic force microscopy that maps not only topographic features but also the specifics of biochemistry on biological molecules. The technique, which attaches antibodies to microscope tips, allows for precise location of proteins and has extensive applications in biotechnology.
A potential vaccine against cocaine addiction has been developed by attaching a cocaine derivative to a larger protein, inducing the immune system to create specific antibodies that attack the molecule. The research team hopes to begin human clinical trials by the end of the year.
A small radio-controlled aircraft equipped with a sensor developed at the Naval Research Laboratory (NRL) can monitor air for signs of biological weapons. The sensor uses fluorescent antibodies and optical fibers to detect biowar bacteria in water samples, allowing it to accumulate on probes over time.
Researchers discovered a gene segment that can 'jump' into foreign DNA, enabling vertebrates to create millions of different antibodies. This ability is crucial for the adaptive immune system, which relies on two lines of defense to detect and destroy invaders.
A new study from Johns Hopkins Medical Institutions found that 2.5% of healthcare workers already experience allergic reactions to rubber gloves, while 10% are sensitized but asymptomatic. The study aims to identify and prevent these potentially life-threatening allergies.
Researchers found that ewes' antibodies are passed to lambs through colostrum, making vaccination unnecessary until past the age of 6 weeks. This schedule change can save time and energy for farmers, with significant benefits for national agriculture.
Researchers at University of Maryland School of Medicine discovered that mature B cells can reactivate genetic machinery to produce novel antibodies in response to antigens. This antigen-driven process enables the immune system to adapt and respond more effectively to threats, potentially leading to faster recovery for cancer patients.
A new nasal flu vaccine has delivered good antibody responses and proven safe in children, offering a potential solution to stop the spread of the disease. The vaccine's effectiveness is now being analyzed in a larger study, which may lead to FDA approval starting in 1999.
Researchers at the University of Maryland School Medicine discovered that mature B cells can re-activate V(D)J recombination, allowing them to produce different antibodies and adapt to new antigens. This finding may help scientists better understand and control the immune system's response to infections.
Scientists have developed a new vaccine that uses an anti-idiotype antibody to stimulate the immune system and prevent Chlamydia trachomatis infections, which affect 700 million people worldwide. The vaccine was effective in animal experiments and may be available for humans with further development.