Researchers at the University of Montreal have identified defective immune cells as a primary cause of fungal infections, such as candidiasis, in HIV patients. This discovery could lead to more effective treatments for these debilitating conditions.
Researchers at UT Southwestern identified a defect in the Ly108 gene as a cause of immune cells attacking healthy tissues, leading to systemic lupus erythematosus. The study's findings could lead to better diagnostic tests and therapies for human lupus.
OHSU researchers found that interleukin-15 (IL-15) restores tissue CD4+ T cells when given with antiretroviral drugs in SIV-infected monkeys. This discovery offers hope for effective therapies to boost HIV patients' immune systems.
Dental caries is a widespread and increasing problem globally, with 5 billion people affected. Forsyth researchers aim to develop a vaccine targeting bacterial accumulation on teeth, with initial focus on mucosal vaccines for young children.
Researchers have gained insights into the genetic mechanisms of Proteus mirabilis, a bacterium causing kidney stones and complicated urinary tract infections. The complete genome sequence, including 3,693 genes and 4.063 megabases of DNA, will help scientists identify potential targets for new vaccines.
The H5N1 virus poses a significant threat, prompting researchers to revisit studies of influenza A viruses. The immune system response to H5N1 can be catastrophic, with a 'cytokine storm' causing rapid death. Understanding the battle between the immune system and influenza A viruses holds promise for better therapies and vaccines.
A new international study led by Dr. Myron S. Cohen at the University of North Carolina Health Care is investigating the early biology of HIV infection to develop an effective vaccine. The study, known as CHAVI-001, aims to identify people with HIV in its earliest stages and track their health to determine the transmission pairs.
Researchers at La Jolla Institute for Immunology have made a major finding on a potential cure for type 1 diabetes by combining two therapies, producing better efficacy and longer-lasting results in preclinical trials. The combination therapy is being planned to begin human clinical trials later this year.
Researchers found that injections of spleen cells and transplants of islets from healthy mice temporarily cured diabetes in 4 out of 22 mice, but failed to restore insulin-producing beta cells. The procedure's success was confirmed by three independent labs, challenging the previous hypothesis on how it works.
The L'ORÉAL-UNESCO awards recognize pioneering work in immunology, molecular pathology, and genetic disorders. The laureates will receive a $100K prize and international recognition for their contributions to human health.
A study found that genes involved in the innate immune response are underexpressed in female mice during puberty, while those involved in the adaptive immune response are overexpressed. This difference is controlled by the Fas/FasL pathway, modulated by estrogen.
Researchers find that histamine contributes to joint blood vessel leakage in rheumatoid arthritis, potentially leading to more effective treatments. The discovery may also apply to other autoimmune conditions and infectious diseases.
Dr. Liu has discovered a mechanism underlying immune system modulation of Multiple Sclerosis (MS) and will optimize therapy using NKT cells. The Muscular Dystrophy Association fellowship award supports her three-year research project.
A study of 41 adults with X-linked agammaglobulinemia found that most can function as relatively healthy individuals despite chronic, low-grade infections. Patients reported good health and quality of life, with many working full-time or attending school.
A recent study found that ICS (fluticasone propionate) was more effective than LTRA (montelukast) in improving asthma control in children with mild-to-moderate persistent asthma. The study showed significant improvements in asthma control days, pulmonary responses, and inflammatory biomarkers.
A study of over 6,600 children found that those raised in Steiner schools had lower rates of allergic symptoms and diagnoses compared to non-Steiner peers. Early antibiotic use and vaccinations were linked to increased allergy risks.
Case Western Reserve University professor Eric Pearlman has received a prestigious vision research grant to study the immunology of the eye. The grant will help researchers understand the immunological basis of diseases such as age-related macular degeneration and diabetic retinopathy.
Researchers at Thomas Jefferson University have identified a molecular mechanism involved in making the rabies virus pathogenic and lethal. They have developed a very safe vaccine for the immunization of wildlife, showing efficacy in raccoon, skunk, and mongoose species, offering new hope for prevention of deadly disease.
The Children's Hospital of Philadelphia has received a four-year, $6.7 million grant to study novel HIV therapy targeting neurokinin-1 receptors. The program aims to block the virus from immune cells, improve innate immune function, and reduce symptoms of depression associated with the disease.
Researchers at the Medical College of Wisconsin have developed a new vaccine technology that confers broad-spectrum, short-term immunity against unknown biothreat agents. This breakthrough could revolutionize defense against germ warfare and treatment of infectious diseases in populations.
Researchers developed a vaccine platform offering protection against pneumocystis, influenza, and other pathogens in immunocompromised individuals. The vaccine uses a specific antigen and CD40L molecule to induce an immune response.
Children with tree nut allergies can safely eat some nuts as they grow older, according to a new study. Researchers found that 9% of children passed an oral food challenge test, and those with low levels of tree nut antibodies were more likely to succeed.
The study found that more than 95% of HIV-infected people in resource-poor nations can benefit from combination ARV treatment, leading to improved CD4 counts, decreased viral load, and weight gain. The results underscore the importance of monitoring drug tolerability and toxicity to ensure patients' quality of life and adherence rates.
Researchers found that a cancer vaccine candidate, CpG-ODNs, triggers an alarm response in the immune system but also activates a mechanism that can help tumors hide from the immune system. This raises questions about the potential benefits and risks of this approach in cancer treatment.
Researchers found that a specific gene, SPRN6, is switched on in mosquitoes infected with the malaria parasite, allowing them to defend against it. By knocking out this gene, they observed increased parasite development in some mosquito species and delayed parasite lysis in others.
The American Academy of Allergy, Asthma & Immunology recommends regular assessment of asthma control to ensure patients receive optimal treatment. This approach helps identify changes in medication effectiveness and environmental triggers.
A study published in the Journal of Immunology suggests that the immune-cell substance MIF may be necessary for multiple sclerosis progression, but less important for initiating the disease. Researchers found that mice lacking MIF developed an acute phase of the disease, but then recovered without further signs of progression.
Researchers at Duke University Medical Center have developed a new monoclonal antibody targeting immune system B cells that shows promise in treating leukemias, autoimmune diseases, and transplant rejection. The treatment effectively depletes malignant B cell tumors and reduces circulating antibody levels.
Despite over 100,000 research papers on apoptosis, the process remains unclear due to numerous signaling pathways involved. The 'upstairs/downstairs' model proposes critical steps occur before and after mitochondria breakdown, but identifying key pathways is crucial for developing effective treatments.
Researchers have identified a link between lupus patients and an overabundance of specific immune cells in their tonsils, which may lead to the disease's characteristic auto-reactivity.
Researchers have discovered a novel T helper cell type, called THi cells, that produce the potent cytokine IL-17 and are responsible for initiating chronic inflammation and autoimmunity. The study's findings suggest that targeting these cells could lead to effective treatments for inflammatory diseases such as arthritis and asthma.
Scientists at Vanderbilt University Medical Center discovered compounds secreted by frog skin can selectively kill HIV without harming T cells. The findings hold promise for developing new treatments and vaccines against the virus.
Researchers found abatacept to be effective in treating rheumatoid arthritis, improving at least 20% of patients' condition compared to placebo. The drug reduces immune system attack on joints, providing significant pain relief and improving functionality.
The study found a cellular protein called HVEM acts as an 'off and on switch' for immune responses, enabling communication between T lymphocytes and other cells. This discovery could lead to new treatments for autoimmune diseases by mimicking HVEM's action.
Researchers at UCLA and NIH have discovered a new compound that can block viruses from entering cells, providing potential relief for conditions like HIV, herpes, and the flu. The compound also shows promise in combating antibiotic-resistant bacteria.
The PUMA protein coordinates the cell-suicide activities of p53 in the nucleus and cytoplasm. Researchers discovered that PUMA frees p53 from Bcl-xL, triggering a series of signals on mitochondria that leads to apoptosis. This finding solves the puzzle of why p53 activity occurs in both the nucleus and cytoplasm during apoptosis.
Researchers at IRCM discover EAT-2 suppresses NK cell activity, boosting killer function to combat cancers and infections. Medications inhibiting EAT-2 may improve treatment effectiveness for cancers and communicable diseases.
Scientists have discovered a way to regrow the thymus, which produces T cells required to fight infection, through inhibiting sex steroids. This breakthrough offers new hope for treating cancer, AIDS, and other immunodeficiencies by improving T cell responses and recovery following bone marrow transplants.
Scientists at WashU Medicine found that natural killer cells become more capable of attacking invaders after encountering a specific molecule on the surface of other cells. This process, known as licensing, has important implications for understanding persistent viral infections and bone marrow transplants.
Researchers found that PGE2 up-regulates T-regulatory cells, suppressing immune function and fueling cancer growth. The study suggests using COX-2 inhibitors like Celebrex to augment immune responses in cancer patients.
Research discovers T-cell 'traffic control' system that prevents autoimmune disease and rejection of transplanted organs, promising new treatment for multiple sclerosis and transplant rejection. The system is controlled by a fat-like compound called S1P, which can be blocked with experimental drugs to prevent excessive T cell activity.
Researchers have discovered a highly specific pathway that causes inflammation in lung tissue, which may contribute to lung damage in adult patients with cystic fibrosis. The study identifies interleukin-23 and interleukin-17 as promising targets for neutralization.
Researchers have successfully cloned mice using direct nuclear transfer from terminally differentiated natural killer T cells. The cloned pups and their placentas exhibit rearranged T cell receptor genomic loci specific to NKT cells, demonstrating that fully differentiated cell nuclei can support embryo and placenta development.
Research reveals how a molecule helps Brucella bacteria evade destruction within macrophages, leading to a deeper understanding of the pathogen. This discovery has significant implications for developing new vaccines and treatments against Brucellosis.
A leading researcher is presenting data on a new infertility drug that has shown promising results in reducing miscarriage rates in mice. The drug, PV903, contains an active ingredient found in semen and aims to instruct the mother's immune system to tolerate the fetus.
A new study published in the Journal of Immunology reveals that allergic eye disease can significantly increase the risk of corneal transplant rejection. Researchers found that mice with ocular allergies experienced a dramatic increase in graft rejection, with all grafts rejected in affected mice.
Researchers found clear differences in immune cell responses between children with autism and typically developing children following exposure to bacterial agents and a plant lectin. The study suggests that a dysfunctional immune system may play a role in the development of autism, warranting further investigation.
Researchers from Thomas Jefferson University have successfully created plant factories that produce antibodies against tumor cells, offering a potential alternative to expensive and traditional methods. The plant-made antibodies show similar effectiveness in inhibiting tumor growth as mammalian-made monoclonal antibodies.
A new study published in the Journal of Allergy and Clinical Immunology found that cockroach allergens are a primary contributor to childhood asthma in inner-city home environments. The study suggests that general cleaning practices, extermination techniques, and maintenance methods can reduce allergen levels.
Researchers discovered a critical 'gatekeeper' function that prevents auto-antibody accumulation in lupus, which can be restored to reverse the disease. Increasing Fc receptor activity by 40% restored health in animal models of lupus.
A study published in the Journal of Allergy and Clinical Immunology found that children who eat concentrated peanut products frequently have a lower chance of having their peanut allergy recur. The researchers recommend that these children maintain tolerance by consuming peanut products at least once a month.
The NIH awarded Indiana University a $7 million grant to establish the Midwest Sexually Transmitted Infections and Topical Microbicides Cooperative Research Center. The center will focus on researching epidemiology, acquisition, prevention, and pathogenesis of sexually transmitted infections in young women.
Research by Emory University scientists found that chronic viral infections fail to develop long-term immune memory cells due to poor cytokine response. The study suggests that rest from antigen exposure is crucial for developing these memory cells.
Researchers have identified a new type of regulatory T cell that reduces airway inflammation and asthma in mice. The discovery sheds light on the characteristics of these cells and their potential role in treating allergies and other immune disorders.
Researchers at UCLA have discovered a new mechanism in bacteriophages that allows them to rapidly evolve new variants to target bacterial resistance. This discovery has the potential to create
The NIAID has formed a clinical consortium to improve the success of organ transplants by identifying genetic factors and developing new immunosuppressive drugs. The consortium aims to minimize complications and increase long-term survival rates for transplant patients.
The study characterizes lymphocyte microvilli, dynamic structures that alternate between assembly and disassembly. Disrupting these receptors could lead to a less toxic form of immune suppression and prevent metastasis in cancer cells.
A20, an enzyme that regulates the immune system's response to bacterial infections, prevents over-reactions of the immune system to blood infections known as sepsis. The research shows A20 also controls the immune reaction that can cause inflammatory bowel disease.
Basic research on HIV is leading to new therapies that deny initial entry into cells. Fast-moving research on naturally occurring antiviral factors is opening the way for a new class of anti-HIV drugs.
Eosinophilic esophagitis (EE) is a rapidly rising disorder characterized by severely elevated levels of eosinophils in the esophagus, leading to vomiting and difficulty swallowing. The disease has a familial pattern suggesting genetic or environmental factors, warranting further study.