Researchers found that activation of Serine protease inhibitor 2A (Spi2A) can prevent T cell death and increase memory T cells, potentially boosting vaccine efficacy. This discovery could lead to new vaccines or treatments for chronic infections and autoimmune diseases.
Scientists have found that a longevity protein called SIRT1 delays the breakdown of axons in nerve cells, potentially slowing neurodegenerative diseases. The discovery opens new avenues for treating Parkinson's disease, Alzheimer's disease, and other disorders.
Researchers pinpoint identity of early-stage T-cells in blood, providing tools for studying T-cell development and improving understanding of immune system. The discovery sheds light on thymus-imported cell types and may help uncover why certain T cells are difficult to reconstitute after bone marrow transplants.
Researchers will investigate the link between atopic dermatitis and severe skin reaction EV in a nationwide research network. The study aims to better understand how atopic dermatitis predisposes individuals to EV after smallpox vaccination.
A recent study by researchers at the Gladstone Institute of Virology and Immunology investigated potential superinfection involving variations within HIV-1B. The findings, presented at the XV International AIDS Conference, suggest that superinfection may be restricted to a short window period after seroconversion.
Scientists found that a protein inside the rabies virus can enhance the immune response against foreign proteins, enabling the creation of vaccines against other infectious agents. The technique could lead to the development of longer-lasting vaccines against diseases like anthrax.
Researchers have made significant progress in developing a therapeutic vaccine for pancreatic cancer, which appears safe and stimulates immune activity. In a recent study, 12 patients with pancreatic cancer received the vaccine, resulting in no reported toxicity and positive changes in antibodies against the tumor.
Researchers found that natural killer cells are associated with destructive insulitis and beta cell destruction, suggesting a potential new target for halting or slowing disease progression. The study's findings have implications for understanding the complex interactions between immune cells and the development of type 1 diabetes.
Vanderbilt University Medical Center students James Peacock and Olga Weinberg have been awarded HHMI fellowships to pursue research in immunology and estrogen receptors. The fellowships will enable them to conduct academic-year-long research projects culminating in the Meeting of Medical Student Fellows.
Jay Levy's research has significantly impacted our understanding of HIV and the immune system, leading to major breakthroughs in antiviral responses. His work has also improved the safety of blood products for hemophiliacs and shed light on the role of plasmacytoid dendritic cells in HIV infection.
A simple, inexpensive blood test performed at birth can screen for immune disorders like SCID and increase survival rates. The test, which costs $50, identifies infants with a profound deficiency of lymphocytes and has been shown to be effective in identifying children with other immune disorders.
Researchers at New York Medical College are exploring bacterial antibiotic resistance in salmon aquaculture and developing new diagnostic tests for Lyme disease. The studies aim to improve understanding of the diseases and test new methods for prevention and control.
A new hypothesis suggests that autoimmunity is triggered by insufficient immune stimulation, leading to a decrease in T cells and an overactive expansion of the remaining population. This condition, known as lymphopenia, can cause diseases like Type 1 diabetes and rheumatoid arthritis.
Researchers equipped dendritic cells with genetic material from patient's tumor and PAMPs to break T-cell tolerance, enabling activation of immune system. This approach merges strengths of viral vaccines with ease of using patient's own immune system.
Beutler's work uses forward genetics to study human genes used by the innate immune system. He identified a protein called Trif, which helps the body respond to viruses and bacteria.
A Cincinnati Children's Hospital study found a deficiency in lipoxins, key regulators of inflammation, in children with cystic fibrosis. This discovery provides impetus for developing novel therapeutics to decrease lung inflammation.
Tumors use Stat3 signaling to secrete factors that inhibit the immune system, keeping dendritic cells from maturing. This activation blocks expression of inflammatory mediators required to trigger the immune response. New treatments aimed at flushing cancer cells into the open may help the body's armies against disease destroy them.
Researchers discovered that a viral infection can redirect the immune response away from pancreatic beta cells, reducing autoaggressive CD8 T cells. This approach could lead to new treatments for type 1 diabetes by utilizing proinflammatory cytokines and chemokines produced during viral infections.
Researchers at Duke University discovered that mast cells trigger both the innate and adaptive immune responses by releasing TNF, which recruits infection-fighting T-cells and induces antibody production. This finding redefines how the immune system functions and may lead to new therapeutics for disease protection.
Researchers found a marker for long-term immunity in CD8 T cells using the interleukin 7 (IL-7) receptor. This discovery can help scientists create more effective vaccines and develop new treatments for chronic viral infections and cancer.
A new anti-rejection drug, CP-690,550, has shown promise in controlling the immune system without severe side effects. The Stanford team discovered the drug by targeting a specific pathway in immune cells, which may lead to its use in treating autoimmune diseases.
Researchers discovered that Tim-3 proteins act as 'checkpoints' for the immune system, controlling activated TH1 T-cell responses. This regulation helps prevent autoimmune diseases and organ rejection in transplant patients.
Wilfred Jefferies and his team have discovered a cellular pathway that triggers immune responses and identified a specialized organelle within dendritic cells controlling immune system activation. The findings hold enormous implications for patients, enabling targeted treatment adjustments to regulate immune responses.
Researchers developed vaccines based on human and chimpanzee adenoviruses to protect newborns against viral diseases. These oral vaccines have the potential to be effective even with waning maternal antibodies, offering a crucial solution for infants in developing countries.
A study found that PET scans can detect activation of lymph nodes in HIV-infected individuals, suggesting potential targets for treatment. Researchers propose using PET scans to locate active nodes and target them with radiation or removal.
Researchers discover that the immune synapse theory suggests the synapse is linked to both activating and deactivating T cells, with its ability to amplify signals also shutting down messages in later stages. The findings confirm key concepts in the immune synapse theory.
Researchers identified a bull's eye-shaped structure between white blood cells that enhances sensitivity to antigens but cuts off signaling beyond a threshold, preventing T-cell death. This adaptive control device enables the immune system to respond to signs of infection over a wide range of magnitudes.
The award recognizes journalists who raise public awareness about allergic diseases, recognize allergists as experts, and provide medically accurate information. Eligible entries must have been published or broadcast between September 1, 2002, and August 31, 2003.
The NIH has awarded $85 million to five cooperative centers for translational research on human immunology and biodefense. Researchers will develop new ways to analyze immune cells and use imaging technologies to study vaccine responses, aiming to strengthen the immune system against diseases.
Researchers found that higher melatonin levels in asthma patients at night lead to impaired lung function, suggesting all patients with asthma should avoid melatonin supplements until more is known about their safety. This study's findings support previous research linking melatonin to inflammation in asthma.
Researchers used a gene gun to target dendritic cells, the 'security cameras' of the immune system, and found that their number is 100 times higher than previously thought. This discovery could lead to more efficient vaccine development using abundant, long-lived dendritic cells.
The UNC-led trial is the first human test of an HIV vaccine pioneered at UNC. The vaccine targets cells in lymph nodes and induces an immune response by expressing a small section of genetic material from HIV, aiming to protect against disease if exposed. Researchers hope to refine the vaccine for subsequent generations.
Haugland's work at Molecular Probes led to the creation of over 2,800 products for biomedical research. He holds 60 patents and authored Handbook of Fluorescent Probes and Research Chemicals.
A study published in the April 2003 Journal of Allergy and Clinical Immunology found that asthma hospital visits doubled between 1978 and 1990, but stabilized afterwards. Controller medication use increased, particularly inhaled corticosteroids, while reliever medication use decreased. The data suggests that asthma treatment is becomin...
A study published in the Journal of Allergy and Clinical Immunology found that allergy specialist care can significantly reduce emergency room visits for asthma. Patients receiving adequate inhaled corticosteroid therapy (at least four canisters per year) and/or allergy specialty care had a lower risk of hospitalization, with 27% showi...
Researchers at WashU Medicine discovered a novel molecule that plays a critical role in gut immunology and interacts with mucosal-associated invariant T cells. The findings suggest that this molecule may be involved in various diseases of the gut, particularly those related to intestinal microorganisms.
Scientists are developing an encyclopedia of innate immune system activity using systems biology approaches. This could lead to a better understanding of inflammation and its control, potentially revealing targets for new drugs. The study also explores the use of bioinformatics resources to support research on immune-mediated diseases.
The research aims to identify key players in the innate immune system and study gene expression patterns triggered by microbial invasion. The grant will support a systems biology approach to understand how the system behaves as a whole, ultimately informing novel hypotheses.
Researchers at UIC provided the first images of HIV in living cells, revealing how the virus enlists host assistance to wreak havoc on the body's defenses. The visualization, which took four years to develop, shows HIV particles hitching a ride aboard dynein, a molecular motor, and crossing the microtubular highway to reach the nucleus.
A study has identified specific combinations of H. pylori bacterial strain and host genetic variations that increase the risk of stomach cancer in infected individuals. These findings suggest that personalized genotyping can help identify high-risk individuals, who may benefit from targeted H. pylori eradication treatment.
Researchers at Ohio State University Wexner Medical Center have been awarded a $9.5 million grant to study the innate immune system and develop new cancer therapies. The project will explore how targeted therapies can be more potent in the presence of certain agents, and will involve multiple clinical trials and laboratory projects.
A study found that children exposed to dogs and cats in the home have a significantly reduced risk of developing common allergies, with exposure levels reducing allergy rates by up to 45%. The research suggests that early exposure to endotoxins from pets may help the immune system develop a different response, making it less likely for...
Researchers at Ohio State University have developed a peptide treatment that inhibits experimental autoimmune encephalomyelitis (EAE) and suppresses the onset of multiple sclerosis-like symptoms. The treatment targets T cells by binding to CD80, preventing their activation and expansion in disease.
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 have identified gamma-delta T cells as a crucial component of the immune system in wound repair. These cells recognize an antigen released by keratinocytes during injury and produce growth factors that help proliferate epithelial cells, leading to wound closure.
The RDCC facilitates collaboration between researchers to develop new diagnostic tests and innovative therapies. Researchers aim to translate scientific discoveries into patient treatment within five years.
Researchers at MGH identified a key immune system molecule, PGRP-LC, essential for recognizing and ingesting gram-negative bacteria like E.coli. The protein plays a crucial role in the macrophage's response to infection.
Researchers at Virginia Tech will develop plant-expressed antigens and adjuvants to create affordable, effective vaccines. The goal is to produce inexpensive, disease-fighting vaccines through plant-based delivery systems.
The new antigen microarrays can diagnose diseases on the first visit, enabling clinicians to pinpoint specific antigens under attack in autoimmune diseases. The arrays also aid in designing effective treatments tailored to individual patients, bypassing the entire immune system.
Researchers found that early in HIV infection, CD8 T cells become unresponsive to HIV surface molecules, suppressing their ability to attack infected cells. This leads to a dominant immunosuppressive response mediated by the molecule TGF-beta.
A team of researchers at Stanford Medicine has discovered a new gene family, the Tim family, that plays a crucial role in asthma development. The link between this gene family and the hepatitis A virus may help explain why asthma rates have increased where hepatitis A infection rates have dropped.
Researchers found that abnormal alpha-interferon secretion in lupus patients leads to hyperactivation of dendritic cells, causing the immune system to attack healthy cells. This abnormal reaction can result in chronic inflammation affecting various organs, including the skin, kidneys, and joints.
Researchers at Gladstone Institute of Virology and Immunology found that HIV's Vpr gene causes the formation of nuclear herniations, disrupting cell division. This disruption enables virus production to increase severalfold, improving HIV's ability to grow and infect new cells.
Researchers find that hormonal manipulation has no effect on virus responses in female rodents, suggesting genetic differences may be involved. In contrast, castrated male rats exhibit female-type responses to hantavirus infection.
A team of UNC researchers has made a significant discovery about the role of tumor necrosis factor-alpha in remyelination, the process by which nerve cells regain their natural fatty sheath. The study found that this cytokine plays a critical role in white matter repair and induces the production of nerve precursor cells.
A unique gene has been identified as a regulator of stem cell growth, suggesting that embryonic and adult stem cells share key genes and properties. This discovery could lead to the development of new therapies for cancer patients in need of stem cell transplants.
Researchers at the Gladstone Institute have discovered a new pathway that regulates the activity of NF-kB, a protein controlling key inflammatory and immune responses. The study reveals how acetylation and deacetylation control NF-kB's ability to trigger biological processes.
Researchers at UNC-CH have successfully developed vaccines using plasmid DNA that can prevent and even halt the progression of insulin-dependent diabetes in laboratory mice. The study's findings offer new hope for treating this growing health threat in humans, with potential annual injections required.
A new therapy effectively treats a disease similar to multiple sclerosis in monkeys by targeting T cells that cause the disease. The approach could soon be tested against MS and other autoimmune diseases in humans, offering potential for improved treatment options.
Research reveals complex molecular changes in Lyme bacteria during tick feeding, leading to variable surface protein expressions. This complexity makes it challenging to develop effective vaccines, but understanding the biology of transmission may lead to better vaccine candidates.