The University of Wisconsin will lead a research network to develop and test immune-based treatments for asthma in inner-city children, building on successful NCICAS interventions that have reduced asthma severity.
The new CIPRA grant will address HIV/AIDS as a family issue, not just an individual problem. The research aims to develop practical techniques tailored to the needs of South African families, with a focus on prevention, treatment, and social support services for those living with HIV/AIDS.
Researchers found that long-term nonprogressors' cells were better able to divide and produce perforin, a molecule that helps kill off infected cells. This discovery is crucial for developing effective vaccines and therapeutic treatments that improve CD8+ T cell function.
The sequencing of both P. falciparum and its insect vector heralds a new era in the fight against malaria. This detailed map of the parasite's 5,300 genes will enable investigators to design targeted anti-malarial drugs.
The HHS has awarded contracts to Avecia and VaxGen Inc. to develop a new anthrax vaccine that can provide immunity in three or fewer doses, reducing administration time. The vaccine will be produced using recombinant DNA technology and is expected to protect individuals from anthrax spores even if administered shortly after exposure.
Researchers have identified a specific gene mutation that confers chloroquine resistance in Plasmodium falciparum malaria parasites, allowing scientists to develop targeted treatments, and also increasing susceptibility to artemisinin and quinine.
Researchers discovered a mutation in the caspase-8 gene in two siblings with an immune disorder, which led to impaired lymphocyte activation and severe immunodeficiency. The study found that functional caspase-8 restored immune cell function, suggesting its potential as a target for new therapies.
A new study confirms that cat exposure increases the risk of persistent wheezing and asthma in children whose mothers have asthma. In contrast, exposure to cats is protective for children without a family history of asthma, reducing the risk of wheezing by 40%.
Children exposed to two or more pets during their first year of life were on average 66-77% less likely to develop allergic antibodies, a significant finding that challenges current understanding of allergy development.
Researchers have pinpointed the cause of hepatitis A virulence by identifying two key genes, 2C and VP1/2A. The discovery may lead to the development of a live, attenuated HAV vaccine that could be more effective and affordable for widespread use.
Researchers found that chloroquine-resistant parasites arose in multiple geographic locations and rapidly spread across continents, contradicting long-held theories. The genetic diversity of the malaria parasite suggests it has evolved over a timeframe coincident with human population expansion out of Africa.
Researchers identified unique genes in a virulent GAS strain that were imported from bacteriophages, contributing to its high infectivity. The study provides new insights into the evolution of bacterial virulence and potential targets for novel treatments.
NIAID-funded studies explore dual protease inhibitors, herpes simplex virus 2 risk factor for HIV infection in India, and anti-HIV antibodies' influence on HIV evolution. The conference also features the world's largest preventive HIV vaccine trial.
A five-year, $14.8 million NIH-funded award will support HIV/AIDS research in China, focusing on epidemiologic and behavioral interventions, pathogenesis of the virus, safety and efficacy of anti-HIV drugs, and vaccine development. The award aims to improve HIV/AIDS treatment and prevention measures in resource-limited countries.
The National Institute of Allergy and Infectious Diseases (NIAID) has expanded its vaccine testing network, which has been a national resource for vaccine development since 1962. The new network will test vaccines against potential agents of bioterrorism and assess emerging hypotheses about vaccine-related adverse side effects.
Researchers use new microscopy techniques to observe immune cell behavior in living tissues, revealing prolonged contact between T cells and dendritic cells. This study paves the way for future work on T-cell activation and provides a new glimpse into key steps in early immune responses.
The HVDDT program aims to bring a safe and effective HIV vaccine closer to reality by partnering academic research centers with private industry. Early tests in monkeys showed promising results, with vaccinated animals developing strong immune responses that protected against disease.
Researchers are making progress in developing preventive HIV vaccines, with six potential candidates tested in clinical trials over the past five years. The National Institute of Allergy and Infectious Diseases is currently sponsoring multiple clinical trials, which will require tens of thousands of additional volunteers.
Scientists have sequenced the whole genome of Bacillus anthracis, revealing areas of genetic variability between different isolates. The study suggests that a Florida anthrax strain is derived from the Ames strain and has not been genetically modified.
Imatinib mesylate, a drug used to treat leukemia, has shown remarkable success in reducing eosinophil levels in people with hypereosinophilic syndrome (HES), a difficult-to-treat inflammatory disease. Four of five patients studied experienced complete elimination of symptoms.
Researchers found that HIV preferentially infects HIV-specific CD4+ T cells, which are essential for directing the immune system's response to pathogens. This phenomenon highlights the vulnerability of these cells to viral infection and suggests ways to design a more effective HIV vaccine.
A new experimental approach has been developed to treat allergic diseases, with scientists creating a genetically engineered molecule called GE2 that connects two receptors on key immune system cells. The molecule short-circuits allergic reactions, including asthma and anaphylaxis, by cross-linking receptor molecules.
A new genetic adaptation allowed Yersinia pestis to be transmitted through the bite of an insect, a discovery that sheds light on the evolution of the plague bacterium. The enzyme PLD plays a critical role in the survival of Y. pestis in the midgut of fleas.
A new NIAID study found that diluting smallpox vaccine can expand the US vaccine supply fivefold, providing more protection against a potential outbreak. The trial used a freeze-dried live vaccinia virus vaccine and resulted in high take rates with minimal side effects.
Researchers have identified genes unique to group A Streptococcus bacteria that cause acute rheumatic fever, a leading cause of childhood heart disease. The study also reveals that genetic material from different strains can be swapped, enabling the spread of the disease.
The Pediatric AIDS Clinical Trials Group will support clinical trials sites, a statistical center, and operations center with renewed funding. The new agenda emphasizes five key areas: perinatal transmission, pediatric treatment, adolescent treatment, long-term evaluation of antiretroviral therapies, and domestic and international coll...
Researchers have developed a hybrid vaccine that protects mice from West Nile virus infection by combining weakened dengue and West Nile viruses. The vaccine stimulates strong immune responses and has shown to be effective in mice, paving the way for human trials.
A recent decision by NIAID has halted a proposed Phase III HIV vaccine efficacy trial, citing concerns about the level of CD8 cellular immune response. However, a new trial will proceed with a similar vaccine combination, ALVAC-HIV and AIDSVAX, to assess its efficacy in Thailand.
The SMART trial aims to find a balance between aggressive HIV treatment and minimizing adverse side effects. The study will compare two distinct treatment approaches over an average of seven years, providing valuable insights into the optimal use of antiviral therapy.
A study led by the NIH/NIAID identified Norwalk-like viruses as the primary cause of gastroenteritis outbreaks in Maryland nursing homes. The research revealed six distinct genetic clusters among these viruses, with a predominant GII 'Bristol-like' virus strain detected in 14 of the 20 outbreaks.
Researchers have discovered that a specific cell surface molecule senses runaway inflammation and tissue damage, allowing the body to limit excessive inflammation. The study found that the adenosine receptor plays a central role in controlling inflammation, and its dysfunction may lead to impaired inflammation regulation.
Researchers at NIAID have successfully produced a malaria vaccine using transgenic mice that secrete the vaccine protein in their milk. The vaccine has shown promising results, with only one out of five immunized monkeys contracting the disease.
Two independent studies show that HIV infection increases T-cell death and proliferation, leading to a decline in CD4+ T cells. The accelerated division of existing T cells contributes to the immunodeficiency associated with HIV, rather than blocking new cell production.
The US government is investing in bioterrorism research through seven new initiatives, aiming to develop vaccines and treatments for diseases like anthrax and smallpox. The initiatives will also support basic research and partnerships between academia, industry, and government.
Researchers discovered that garlic supplements decreased saquinavir levels by up to 51% in healthy volunteers. This suggests that patients taking saquinavir should avoid using garlic supplements to prevent interactions.
Researchers suggest a structured intermittent therapy approach, where patients receive daily doses of HAART for seven days, followed by seven days off the medication. This regimen has shown significant reductions in certain side effects, including cholesterol and triglyceride levels, without compromising treatment efficacy.
Researchers have found a new, hidden piece of the influenza virus that may kill immune system cells. This protein was discovered by accident while studying
The NIAID's new center will support research on three to 10 important pathogens over the next three years. It will develop new technologies for analyzing gene function, train researchers, and provide resources for the scientific community. The center aims to better understand individual genes and proteins to develop targeted treatments.
Researchers at NIAID and NCI discovered a quick and simple method to assess drug efficacy by measuring viral load after just one week of therapy. This approach has the potential to prevent HIV drug resistance and improve treatment outcomes for patients.
A new study reveals that HIV-specific CD4+ T cells persist in infected individuals, but high virus levels suppress their proliferative response. The research provides clues on how the virus manipulates the immune system for its own survival and challenges the notion of long-term nonprogressors.
Researchers discovered a link between the CFTR gene and increased susceptibility to respiratory infections in cystic fibrosis. They found that altered CFTR can change the internal chemistry of lung cells, making them more attractive to certain bacteria.
Researchers find HIV attachment to rafts is crucial for replication, and cholesterol-lowering drugs may help disrupt this process. Depleting cholesterol from rafts using compounds significantly reduces HIV's ability to infect new cells.
Researchers identified a toxin gene in Chlamydia trachomatis that causes blindness and debilitating genital tract infections. The discovery offers new avenues for treating or preventing these diseases.
Two groups of researchers identify how anthrax toxin destroys cells and how to prevent it. They discovered a protein on the surface of animal cells that acts as a receptor for the toxin, and a way to attach the toxin to its target molecule inside cells, leading to cell death.
Researchers identified genetic basis of two rare disorders, familial cold autoinflammatory syndrome (FCAS) and Muckle-Wells syndrome, linked to mutations in the cryopyrin protein. The study sheds light on the role of cryopyrin in orchestrating immune defenses and may lead to a better understanding of related autoimmune diseases.
Researchers found that prion diseases adapt slowly to new species through a prolonged process, making early detection difficult. The study also showed that the disease can spread rapidly in new hosts under specific conditions.
A recent study suggests that the rotavirus vaccine did not increase the risk of intussusception, a rare bowel blockage, in infants under 1 year old. The study found a 4-10% decline in hospitalizations for intussusception during the period when the vaccine was available.
Dr. Anthony S. Fauci has been recognized for his significant contributions to understanding the regulation of the human immune response and the pathogenesis of HIV disease. He has developed effective therapies for formerly fatal diseases and has pioneered strategies for therapy and immune reconstitution of patients with AIDS.
A small genetic change in the PB2 gene makes influenza viruses more potent, warns of potential dangers of new strains. Research helps develop strategies for detecting future outbreaks and prepares for pandemics.
Researchers found that HIV-induced changes in B cells lead to dysfunctional antibody production and increased risk of cancer. The study provides a key tool to investigate how HIV causes B-cell malfunction and may lead to the development of new treatments for HIV-infected individuals.