Articles tagged with Immune Response
Research published in the Journal of Leukocyte Biology suggests that high levels of estradiol prior to ovulation weaken the immune system, increasing susceptibility to infection. This natural dip in immunity may allow spermatozoa to survive and fertilize an egg successfully.
University of Iowa researchers have found a way to cure mice of bloodstream malaria infections by rescuing an immune system pathway. The study's findings suggest that blocking the action of inhibitory receptor molecules could be an effective strategy for treating existing malaria infections.
Researchers have identified a protein that contributes to brain tumor resistance to chemotherapy, while also developing a way to predict which liver transplant patients can be weaned off immunosuppressive drugs. High levels of APNG in GBM cells correlated with poorer survival rates, suggesting it may serve as a biomarker for treatment ...
A new study by Yale University researchers found that children raised in orphanages exhibit changes in genome functioning, particularly in immune response and inter-cellular interactions. These early stressors may contribute to adopted children's vulnerability to harsh parenting and long-term health issues.
Researchers create a glycoconjugate vaccine prototype that is 100 times more effective than traditional vaccines due to its recognition of carbohydrate-specific T-cells. The breakthrough may lead to better vaccines for high-risk populations and more effective treatments for various diseases.
A new study by Duke neuroscientists identifies the source of learning difficulties as an overactive immune response, triggered by early-life infections. The researchers found that specialized immune system cells in the brain called microglia release a signaling molecule called Interleukin-1, which can impair learning and memory.
Researchers found a significant reduction in glioma risk among people with borderline elevated IgE levels. However, the protective effect couldn't be measured in people with higher IgE levels. The study suggests an immune response to allergies may affect brain tumors.
A new study found that genetic factors beyond major histocompatibility complex (MHC) molecules play a crucial role in determining the effectiveness of an Alzheimer's vaccine. The findings suggest that vaccines could be designed to prevent neuroinflammatory reactions, improving treatment outcomes for patients.
Measurable changes in brain function and communication between regions may indicate disease progression in early HIV infection. Cognitive decline is associated with reduced survival time and increased risk of death.
A University of Adelaide study found that an immune response in the brain contributes to how people respond to alcohol, influencing behavioral changes such as difficulty walking or talking. Blocking toll-like receptors may help reduce these effects and potentially treat alcohol dependence.
Researchers at Michigan State University have created a new malaria vaccine that combines an immune-stimulating gene with a disabled cold virus, increasing the immune response against the parasite. The vaccine was found to be more effective than previously developed systems in animal models, paving the way for human clinical trials.
Researchers at University of North Carolina Health Care identified genetic underpinnings of Foxp3-expressing regulatory T cells, crucial for preventing autoimmune and inflammatory disease. The study sheds light on potential therapeutic targets for diseases like type I diabetes, arthritis, and lupus.
A team of researchers at Hebrew University has discovered a way to block superantigen toxins that cause fatal immune storms. They created protein decoys that mimic the contact domain between superantigens and CD28 receptors, effectively inhibiting the immune response.
Flushing out antibodies in people with E. coli infection improves symptoms significantly, according to The Lancet article. Immunoadsorption technique removes circulating immunoglobulins, improving neurological and renal function recovery in patients with severe complications.
A recent study used genomics to unravel the immune response to the flu virus, finding significant and complex differences between those who got sick and those who remained asymptomatic. The research may lead to new therapies to prevent illness by detecting early warning signs of infection.
Researchers at the University of Arizona College of Medicine have discovered that a select few T cells can better protect against infections like flu due to special features. The study suggests targeting these cells through vaccination could improve protection against disease in older adults.
Researchers identified a key virus-sensing mechanism necessary for a successful immune response against retroviruses, including HIV. The study found that sensing of early stages of retroviral infection is sufficient to induce an efficient immune response.
Researchers discovered a unique regulatory circuit in plants that controls their immune sensor, which could lead to new ways to understand and treat autoimmune diseases. By studying this mechanism, scientists hope to develop treatments for allergies and other ailments.
Researchers have discovered a mechanism by which green tea's EGCG compound increases regulatory T cells, improving immune function and potentially treating autoimmune diseases. This natural approach may provide a long-term, sustainable solution without toxicity, offering hope for disease prevention and treatment.
Comparing the genomes of plant parasites has provided insights into their invasion strategies and sabotaged plant immune responses. This knowledge can be used to develop new tools for diagnosis and disease forecasting, as well as breeding crops with stronger disease resistance genes.
Researchers identified a protein called EspC that triggers a stronger immune response in people infected with TB bacteria, making it a promising new vaccine candidate. The protein could also be used to improve diagnosis of TB and underpin next-generation diagnostic blood tests.
Ohio State University researchers have discovered a way to manipulate the immune response to vaccination, enabling effective immunization even when maternal antibodies are present. By using a specific type of antibody, known as IgM, they can activate B cells and stimulate an immune response, potentially improving childhood vaccination ...
A new study from the University of Montreal found that a short burst of oral steroids may temporarily depress the immune system in children with asthma, leading to reduced antibody production. However, this effect is considered transient and rare, occurring only when exposed to new antigens during an asthma attack.
This study found that administration of red wine polyphenols protected against ageing-induced endothelial dysfunction in young rats. RWPs also improved physical exercise capacity and normalized oxidative stress in the arterial wall, suggesting a beneficial role in vascular health.
Researchers at Indiana University School of Medicine have discovered a potential new anti-cancer treatment using the antibiotic tautomycetin, which targets the cancer-causing enzyme SHP2. This finding offers hope for developing effective treatments against various types of leukemia and solid tumors.
A study by Colorado University's Sleep and Chronobiology Laboratory found that missing a night of sleep burns approximately 135 calories. Eight hours of sleep, on the other hand, saved the same amount of energy. The findings demonstrate a direct correlation between the sleep-wake cycle and energy expenditure.
Researchers developed a method to stabilize living lung tissue for imaging, allowing observation of live cell interactions and immune responses to lung injury. This breakthrough impacts disease research by enabling scientists to look deeper into physiological aspects of injury and diseases.
Researchers found that inactivating the NLRP3 protein can increase the effectiveness of therapeutic cancer vaccines. This discovery may lead to more effective cancer treatments and is the first to link immature myeloid cells, NLRP3, and vaccine response.
A team of researchers identified the gene Trib1 in mice, which regulates lipid production by the liver. Overexpression of Trib1 decreased blood lipids, while lack of Trib1 increased them. This suggests that TRIB1 is responsible for associations between chromosome 8 and lipid levels.
A Princeton University study found that wild Scottish sheep with stronger immunity lived longer, but were less fertile, and vice versa. The research suggests a balance between strong and weak immune responses in the population.
Research reveals that a pregnant woman's immune response to viral infections may induce subtle neurological changes in the unborn child, increasing the risk of neurodevelopmental disorders. The study suggests potential strategies for reducing this risk by targeting specific immune proteins.
A study published in the Journal of Allergy and Clinical Immunology found that exposure to air pollution suppressed immune system regulatory T cells, leading to increased severity of asthma symptoms and lower lung capacity. The research suggests a potential long-term effect of polluted air on children's health.
A new study found that HIV-infected individuals who start antiretroviral therapy (ART) soon after acquiring the virus have stronger immune responses to other pathogens compared to those who start ART later. Early treatment restores resting memory B cells and reduces immature B cells, leading to improved immune system function.
Recent research suggests that some TB vaccines under study may not be effective in older people, as the molecule responsible for immune response activation remains relatively inactive. The study's findings highlight the need for a new approach to vaccine development to ensure protection against tuberculosis for the elderly.
A team from Case Western Reserve University has identified a novel dual recognition mechanism in Mycobacterium tuberculosis that may contribute to immune evasion. The discovery could aid in the design of new vaccines and antibiotics to combat the disease.
The Novartis 2010 Immunology Prizes were awarded to Professor Michael Bevan and Charles Dinarello, and Juerg Tschopp, for their contributions to basic and clinical immunology. The prizes recognize individual achievement and provide financial support for further research.
Researchers discovered the function of PTP-PEST, a protein that stimulates T cells' participation in immune responses, potentially leading to new treatments for autoimmune diseases. The study's results suggest that suppressing PTP-PEST could prevent certain autoimmune diseases and weaken overactive immune responses.
Coral reefs' immune system is linked to their susceptibility to bleaching and disease, with corals using energy for growth and reproduction affecting immune function. Understanding this connection can help scientists predict vulnerability to stress and develop preventive measures.
A study at the University of Pennsylvania School of Veterinary Medicine has identified a key player in animal gut immunity and revealed surprising similarities between fish and humans. The discovery provides new insights into how humans maintain healthy intestines and could lead to improved approaches for keeping fish safe from pathogens.
Researchers developed an alphavirus vector to overcome neutralizing antibodies and Tregs, inducing clinically relevant immune responses in patients with metastatic cancer. Repeated administration led to longer overall patient survival, making the approach a promising therapeutic option.
Researchers have identified three protein fragments in gluten that trigger an immune response in people with coeliac disease, leading to small intestine damage. This discovery could pave the way for a new generation of diagnostic tools, treatments, and prevention strategies.
Researchers found 323 unique genes influenced by smoking, with a strong involvement in processes related to cancer, cell death, and metabolism. The study's results indicate that exposure to cigarette smoke alters gene expression, leading to a sobering scale of influence on human disease risk.
Researchers at Oregon State University discovered that the genetic regulator Ctip2 controls the formation of T cells, a type of white blood cell crucial for immune function. This finding may lead to new immune system-based therapies for diseases like HIV/AIDS and autoimmune disorders.
Researchers used DNA barcoding to reveal that parasites infecting freshwater fish mostly specialize on specific hosts, except for those targeting the eyes which can infect many different species and even frogs. This discovery may have practical benefits for wildlife managers and fish farmers.
Researchers have discovered variations in 10 genes associated with immune response in people with vitiligo, pointing to multiple cellular pathways contributing to the disease. The findings offer potential starting points for developing therapies tailored to individual genetic susceptibilities.
A new animal model demonstrates that early childhood lung infections can lead to asthma development later in life. The study found that an altered immune response in neonatal mice played a key role in the progression of asthma.
Researchers used PET probes to monitor immune cell function in mice with a retrovirus-induced sarcoma. The study found that two different PET probes detect distinct immune cell populations, primarily innate immune cells and active CD8+ T cells.
A recent study has linked leptin action in the brain to sepsis survival. Researchers found that leptin mediates actions in the central nervous system, improving the host response to a standard model of sepsis.
A Princeton University-led team tracked fever and sickness behaviors in song sparrows using radio transmitters, discovering that different populations respond differently to infection. The study's findings may aid in forecasting where diseases will take hold, including West Nile virus.
A study found that song sparrows from California displayed higher body temperatures during the night due to their longer breeding season, allowing them to prioritize their immune response. In contrast, sparrows from Washington had shorter breeding seasons, which may limit their ability to invest in immune reactions.
Scientists use micro-particles to mimic bacterial scents, tracking immune cell responses. Neutrophils migrate towards single chemical-releasing particles within minutes.
A new HIV vaccine strategy, called 'mosaic vaccines,' has shown promise in expanding immune responses in rhesus monkeys. The approach uses computational methods to create small sets of highly variable artificial viral proteins that stimulate a strong immune response against the diverse forms of HIV.
A new protocol for fluorescence in situ hybridization allows phylogenetic identification of microorganisms in environmental samples. Meanwhile, a dual-color ELISPOT assay enables simultaneous detection of IL-2 and IFN-γ secreting T cells, promising to monitor immune responses to certain infectious agents.
Researchers have found that CD20 protein is essential for generating optimal B cell immune responses, particularly to T-independent antigens. The discovery was made by analyzing a patient with a mutation in the CD20 gene, who had impaired B cell responses and recurrent infections.
Scripps Research scientists have determined the structure of the Ebola virus's critical protein VP35, which blocks the human immune system. The discovery may lead to new drug therapies and vaccines for Ebola infection.
Lung interstitial macrophages (IMs) produce IL-10, which inhibits LPS-induced DC activation and prevents Th2 responses. Mice with depleted IMs develop severe asthmatic reactions to innocuous airborne allergens.
Research suggests that NSAIDs can prevent the early appearance of neuronal cell cycle events in a mouse model of Alzheimer's disease. However, treatment with NSAIDs does not reverse existing neuronal CCEs. Additionally, interstitial macrophages may play a role in preventing asthma by inhibiting LPS-induced immune responses.
A study published in JCI Journals reveals that PKC-theta protein is required for graft-versus-host disease (GVHD) but not for GVL responses or protection against infectious agents. This finding provides a potential new approach to prevent GVHD while preserving beneficial immune responses.
A study published in Virology demonstrates that the ancient pathogen cowpox still has much to teach us about developing novel vaccines. Researchers identified 9 new protective components of the virus, which offered superior protection in a mouse model compared to existing vaccines.
Aging immune systems in elderly cancer patients are less efficient and require customized treatments. Researchers aim to understand intrinsic defects in the old immune system to stimulate antitumor responses.