Articles tagged with Immune Response
A study suggests that tert-butylhydroquinone (tBHQ) impairs immune function and makes flu shots less effective in mice. The findings could explain why seasonal influenza poses a major global health threat.
Researchers discovered that owl monkey cytomegalovirus produces a CD48 decoy receptor called A43, which binds strongly to natural killer cells and blocks their interaction with CD48. This finding highlights the potential of using A43 as a therapeutic tool to manipulate aberrant immune responses.
Researchers have discovered a highly focused antibody response in dengue infection that neutralizes the virus and persists for months. The study provides new insights into the complex immune response to dengue and could lead to advanced vaccine formulations.
Researchers found a class of enzymes called metacaspases play a crucial role in plant immune response, releasing calcium and peptides to prevent infection. The discovery opens up new avenues for improving crop breeding techniques and boosting plant immunity.
Researchers investigate the conditions that drive protein droplets to switch from a fluid to a gel-like state, finding that environmental factors play a crucial role. The study uses innovative techniques such as optical tweezers and laser poking to probe the dynamics of these tiny molecules, which may be involved in health and disease.
Researchers develop TIGER mouse to track information-rich particles in brain, revealing new cell types releasing extracellular vesicles. The study aims to generate an atlas for diagnosing and treating various diseases.
A novel mechanism discovered by researchers at the University of York and Queen Mary University London reveals that miR-132 controls how immune cells respond to infection. This tiny molecule acts as a 'handbrake' on the immune system, preventing over-reaction and promoting protective immunity.
A high-fat diet and aging are associated with inflammation in heart failure, as well as changes to the gut microbiome. In mice, a calorie-dense diet altered the composition of the gut microbiome and increased neutrophils, leading to nonresolving inflammation.
New research from UNC School of Medicine reveals that tick bites can cause an allergic immune response to alpha-gal, a sugar found in most mammal blood except humans, leading to red meat allergy syndrome (AGS). This challenges previous theories and suggests the risk of each tick bite may be higher than anticipated.
A mouse model study published in The FASEB Journal suggests that gastrointestinal neuroimmune disruption is a contributing mechanism of Gulf War Illness. The research found that exposure to pyridostigmine bromide causes long-lasting gastrointestinal issues and immune system changes in the gut and brain.
Researchers at Duke University found that a single CRISPR treatment can safely correct genetic disease for over a year, despite immune responses. The study suggests approaches to address potential challenges and potentially deliver the therapy to infants or restrict Cas9 expression.
EDS1 protein partners with PAD4 and SAG101 to promote reprogramming of gene expression and localized cell death, carrying out a crucial link between recognition and resistance in plant immunity. A key surface on EDS1 enables its functions, promoting salicylic acid accumulation and blocking bacterial virulence molecules.
Two clinical studies show that liquid biopsies can accurately track lung cancer treatment responses, detecting changes in circulating tumor DNA four weeks earlier than CT imaging. The tests provide a more accurate and noninvasive way to assess therapeutic responses, avoiding unneeded toxicity or ineffective treatments.
Researchers found that self-compassion exercises calmed the heart rate and reduced stress responses in healthy individuals. This approach has been linked to improved mental health outcomes and may be beneficial for people with depression. Future studies aim to investigate this method further.
Researchers found that lizards from high-stress environments had more robust immune systems when exposed to prolonged stress, suggesting a potential adaptive advantage. The study's results may have implications for human stress response and disease prevention.
Research highlights the importance of tumor-associated Tregs in evoking effective antitumour immune responses. Depletion or inhibition of Tregs may enhance antitumor effects, suggesting a promising strategy for alleviating tumour immunesuppression and improving immune responses against cancers.
A new study of twins found that genetic factors significantly impact the body's immune defense networks. The researchers analyzed blood samples from 1835 twins and thousands of siblings to understand how effectively their bodies deploy disease-fighting molecules.
Genetic variations in metallothionein and zinc transporter genes impact zinc homeostasis and immune function. SNPs may influence the response to zinc supplementation in individuals with certain non-communicable diseases.
TGF-β1 is a potent modulator of immune and glial cell functions, regulating processes like fibrosis, atrophy, and muscle regeneration. Researchers discuss therapeutic strategies to inhibit the deleterious actions of TGF-β1 in skeletal muscle.
Researchers have developed techniques to personalize anticancer vaccines based on individual patient genomic information, targeting unique tumor mutations. Early results show promise in inducing potent immune responses.
Researchers found that certain E. coli strains trigger protective immune responses while others evade them, leading to recurrent infections. The study suggests developing broad-spectrum vaccines should consider the diverse pathogens encountered in the community.
Researchers at Scripps Research have identified a crucial immune system-regulating protein called ABHD12, which is linked to a rare genetic disease featuring brain and nerve problems. The study suggests that targeting ABHD12 may offer new avenues for treating cancers and chronic viral infections.
Researchers develop method to identify tumor-specific factors in blood that can elicit a protective immune response, potentially leading to an effective vaccine against cancer. The technique relies on peptide arrays and frameshift mutations, which have been shown to be more effective stimulators of immune response than point mutations.
Researchers designed a quadrivalent fusion glycoprotein vaccine against human parainfluenza viruses, inducing up to 500-fold higher neutralizing immune responses. The shape-stabilized glycoproteins may offer a general class of vaccines against widespread parainfluenzas and related pathogens.
A study published in PNAS found that the Mincle receptor initiates an antibacterial response to Group A Streptococcus upon recognition of MGDG, an anchor of lipoteichoic acid. The receptor plays a critical role in the immune response to GAS and may provide a therapeutic option by increasing antibacterial immunity.
Researchers have identified a cellular target that may improve vaccine efficacy in immunocompromised individuals, who are highly susceptible to fungal infections. The study found that targeting CBLB, a protein important in regulating immune response, can elicit immunity through a unique T cell pathway.
Research discovered that actin cytoskeleton remodeling in breast cancer cells protects them from immune cell attack by limiting the transfer of cytotoxic proteins. The 'actin response' is associated with increased levels of immune-inhibitory ligands, rendering cancer cells resistant to NK cell-mediated cytotoxicity.
A new study by CNIC researchers reveals that immune cells like neutrophils help maintain normal function of healthy tissues, performing roles unrelated to immunity. The findings suggest that the immune system is essential for day-to-day health, with potential benefits in some tissues and risks in others.
Targeting immune checkpoints in microglia may reduce neuroinflammation in neurodegenerative diseases. Dysregulation of these checkpoints is linked to diseases such as Alzheimer's, Parkinson's, and ALS.
Researchers found that mice recovering from heart attacks are more likely to die if treated with antibiotics, which can eliminate both bad and good microbes. Restoring the gut microbiome through fecal transplants or probiotics boosted survival rates.
Salmonella bacteria produce proteins that mimic DNA and target specific immune response genes, leaving others untouched. This precise mechanism allows the bacteria to fine-tune the host's immune system.
A Phase 1 clinical trial is testing the safety and immune-stimulating ability of an experimental nasal influenza vaccine in healthy children and teens. The investigational vaccine, developed by FluGen, Inc., has been designed to replicate only once in the body and prompt a robust immune response.
The article discusses clinical early warning scores as new clinical tools to predict future clinical deterioration, particularly related to sepsis. It provides a critical review of the state-of-the-art in early warning algorithms and suggests further research initiatives.
A new protein called emicizumab, administered via subcutaneous injection, has shown significant reductions in bleeding episodes in patients with haemophilia A. Weekly and fortnightly dosing regimens have been found to reduce bleed rates by 96% and 97%, respectively.
Researchers discover immune cells in eye contribute to progressive vision loss from glaucoma. Elevated eye pressure triggers autoimmune response attacking neurons, leading to optic nerve degeneration and permanent vision loss. The findings offer a promising new target for future therapies.
Researchers at Ohio State University have developed a unique vaccine that employs an uncommon two-pronged approach to fighting the Zika virus. The single-dose vaccine proved effective in triggering an immune response that prevented later infection by Zika virus.
A recent study led by Georgia State University identifies a gene from Ebola virus in myotis bats, which has been adapted to regulate their own immune response. The researchers found that the gene is attenuated in its ability to inhibit the immune response, but shares a similar structure with the Ebola VP35 protein.
Researchers found that guanylate cyclase enzyme plays a crucial role in the allergic immune response, and its inhibition can lead to reduced symptoms. The study used knock-out mice lacking this enzyme to show that Th1 responses can suppress Th2 responses, resulting in weaker allergy symptoms.
A new study found that levels of α-Gal antibodies vary with age and are higher in low transmission zones. IgM response was associated with protection against clinical malaria, especially in infants, while total IgG were linked to malaria risk. The results suggest α-Gal could be a promising molecule for future malaria vaccines
A gene signature in the bloodstream could reveal whether someone is going to develop active tuberculosis disease months before symptoms begin. Researchers developed a new 20-gene signature that distinguishes between TB and viral infections, showing promise for early detection and treatment.
Researchers at The Wistar Institute found that older melanoma patients have a better response to immune checkpoint blockade therapy due to decreased regulatory T cells and increased killer CD8 T cells. Combining anti-PD1 and anti-CD25 treatment may improve response rates in younger patients.
Research reveals that E. coli infection can induce delirium in aging rats by reducing levels of brain-derived neurotrophic factor (BDNF), a protein essential for long-term memory formation. The study suggests that immune system activation, such as after surgery or infection, may contribute to cognitive decline in the elderly.
Researchers at UTA found a strong immune response in diseased corals leads to lower expression of genes associated with growth and reproduction. This trade-off may impact coral resilience and ecosystem recovery under climate change pressure.
Researchers developed a single-administration vaccine strategy using an injectable microsphere bearing inactivated polio vaccine, which releases stable antigen over time. The study found that injecting the microspheres into rats elicited a strong immune response against all three IPV antigens.
Research in mice shows that chronic intestinal worm infection reduces the number of white blood cells in lymph nodes near the BCG vaccine injection site, hindering the immune response to tuberculosis. De-worming treatments can restore immune function after infection.
A new study from Caltech sheds light on how a specific species of beneficial bacteria harnesses the body's immune response to settle in the gut. The researchers found that the bacteria are encased in a thick capsule made of carbohydrates, which is necessary for colonization and helps anchor them to epithelial cells.
A new study reveals that a polydnavirus suppresses the defense mechanisms of both caterpillar hosts and plant hosts, allowing parasitic wasps to thrive. The virus reduces glucose oxidase in caterpillars' saliva, triggering lower enzyme activity and defense-gene expression in plants.
A new implantable device could help insulin-producing cells live longer after transplant and improve treatment of type 1 diabetes. The device, developed by MIT researchers, supplies oxygen to transplanted islet cells, allowing them to remain viable for several months and maintain normal blood glucose levels.
A University of Oregon-led project found that high immune function during childhood is associated with significant growth reduction. Chronic exposure to parasitic worms was linked to reduced stature and lower-leg growth, highlighting the metabolic cost of a robust immune system.
A new study published in PNAS demonstrates that a novel hormone replacement therapy can improve cognitive function and working memory capacity in patients with adrenal insufficiency. The therapy involves replicating the natural secretion patterns of cortisol, resulting in better outcomes compared to traditional constant infusion methods.
A study by Hokkaido University researchers has identified prostaglandin E2 (PGE2) as a key player in impairing the immune response of cattle affected by Johne's disease. The discovery offers hope for developing a method to control this chronic enteritis caused by Mycobacterium avium subsp. paratuberculosis.
A new study by Brigham and Women's Hospital investigators explores the influence of biological sex on transplant outcomes. Researchers found that female donor sex is associated with increased transplant organ rejection rates in male recipients, while hormone receptors may play a role in these differences.
A study published in Biological Psychiatry reveals distinct molecular changes in gene expression between men and women with major depressive disorder, suggesting different pathology and treatment needs.
A new study has identified a specific structure within memory cells that enables them to respond rapidly to infections and vaccinations. This discovery sheds light on how the body remembers disease-causing pathogens and can react more quickly upon renewed exposure.
A new study led by researchers at the Nara Institute of Science and Technology found that plants use SOG1 to repair DNA damage, but unlike p53 in animals, SOG1 targets genes involved in immune response only to fungal infections.
A large-scale study of French volunteers found significant immune variation among individuals due to differences in sex and age, as well as genetic variations. These findings shed new light on potential causes of diseases such as pollen allergy and lupus erythematosus.
A new study by Gladstone Institutes researchers shows that infection sites impact the immune system's response to a virus and its spread through the body. The study found that different routes of sexual transmission trigger distinct immune responses, influencing the virus's dissemination.
Researchers analyzed blood samples from 35 healthy adults and found a marked increase in antibody-producing B cells and circulating T follicular helper cells after vaccination. The study's findings suggest that intranasal vaccination might be more effective than injections, with implications for ideal inoculation routes.
A multidisciplinary team of Penn researchers will investigate immune system response to cancers and develop new therapies for gynecologic cancers. The team will examine how patients vary in their responses to different anti-cancer therapies and identify key factors contributing to treatment success.
Researchers identified the role of Gimap5 in regulating T cell function and found that GSK3 inhibitors can improve immune system function in mice and restore normal T cell function in human cells. This discovery may lead to new treatments for autoimmune diseases such as Type 1 diabetes, systemic lupus erythematosus, or asthma.