Articles tagged with Immune Response
Researchers at Linköping University found that an existing medication can restore immune cell function in people with HIV. The study showed that the medication blocks type I interferon and restored the function of immune cells, potentially improving health outcomes.
Researchers discovered VISTA as a critical immune checkpoint that balances immune activation and inflammation resolution during kidney injury. Administering exogenous VISTA protein shows potent protection against acute kidney injury and its progression to chronic disease.
A team of scientists has identified a novel octameric resistosome formed by an activated wheat CC G10 -NLR immune receptor. The study reveals that the resistosome induces Ca 2+ influx and immune responses through a unique channel architecture, providing new insights into plant immunity.
A new study from Aarhus University reveals the thymus, a small organ previously believed to cease functioning early in adult life, plays a lifelong role in the risk of cancer and cardiovascular disease. The healthier the thymus, patients respond better to immunotherapy treatment.
Researchers reveal that skin-cell calcium channel TRPV3 is activated by plant-derived fragrant molecules, leading to enhanced immune responses and potential new vaccine adjuvants. The study provides a novel understanding of immune crosstalk and offers a safer approach to enhancing vaccine efficacy.
Researchers studied the Seychelles warbler's gut bacteria, finding that immune genes influence which microbes thrive, and that this relationship affects host health and survival. The study suggests a two-way relationship between immune genes and gut bacteria, with potential benefits for human health and disease prevention.
Researchers discover a potential chemotherapy agent that causes cancer cells to release signals similar to those released by infected cells, triggering an immune response. This finding could lead to a new approach in cancer treatment, using lower doses of chemotherapy drugs to recruit the immune system as an ally.
Researchers at the Wyss Institute developed DoriVac, a DNA nanotechnology-enabled vaccine platform that induces broad immunity against infectious viruses, including SARS-CoV-2, HIV, and Ebola. The platform produces potent antigen-specific immune responses and is more stable and easier to manufacture than traditional vaccine platforms.
Researchers will investigate the role of interleukin-1 receptor type 1 (IL-1R1) in brain function, behavior, and psychiatric health. The study aims to define the physiological role of IL-1R1 in the brain and explore its influence on social behaviors.
A new Cornell University study reveals that exposure to diverse microbes and allergens as adults may worsen the development of allergic airway inflammation compared to newborns. Researchers found a break point where protection from microbial exposure might wane, depending on life stage and timing.
Researchers demonstrate that genetically engineered human pluripotent stem cells can overcome immune rejection in mice, surviving for five months with humanized immune systems. The findings provide proof-of-principle for a potential universal donor hPSC line designed to resist immune attack.
A new study demonstrates that blocking a signaling protein called FAK helps mobilize an anti-tumor immune response, allowing tumor-fighting cells to approach tumors and shift the behavior of other immune cells to work against them. This approach achieved the best effects on immune cell recruitment, tumor size reduction, and survival ti...
Immune cells have been found to selectively extract nuclear DNA from dying cells, a regulated cellular function that challenges traditional views of the nucleus. This discovery, known as nucleocytosis, may hold implications for understanding autoimmune diseases, infections, and cancer, as well as informing drug development strategies.
A study found that age, biological sex, and human genetic factors determine the quantity and specificity of antibodies produced in response to viral infections. The research has significant implications for vaccine and therapeutic design, as it shows that individual profiles can be tailored to improve treatment effectiveness.
A Cornell University study reveals that an existing FDA-approved drug, AMD3100, can prevent the sequestration of immune T cells from tumors, allowing them to attack cancer cells. The treatment shows promise for fibrolamellar carcinoma, a rare and fatal liver cancer with no cure.
A recent study reveals that hydration and terminal chemistry of poly(ethylene) glycol (PEG) polymers influence immune recognition, providing insights into why some PEGylated drug coatings fail to evade the immune system. The findings pave the way for novel drug coatings with improved performance.
A recent rat study identified the neural mechanism underlying chills, a cold sensation that supports the body's response to infection. The findings suggest that prostaglandin E₂ boosts cold signals from the lateral parabrachial nucleus to the central nucleus of the amygdala, triggering chills and promoting warmth-seeking behavior.
Researchers at the University of Illinois have found that the ABCA1 protein plays a crucial role in directing how myeloid immune cells, particularly macrophages, behave. When ABCA1 is expressed, these cells become better at fighting cancer and supporting T cell function.
Researchers at Salk Institute uncover two transcription factors, ZSCAN20 and JDP2, that determine T cell fate. Turning off these genes reverses T cell exhaustion and restores their ability to kill tumors without losing immune memory. The study challenges the long-standing belief of inevitable immune exhaustion.
Engineered yeast cells can mimic real cancer cells and be used to test new cancer immunotherapies much faster and cheaper than before. This new technology enables researchers to assess which CAR T variants are most promising much more quickly, leading to safer and more targeted cancer treatments.
A study published in Microbiome found that gut microbiome-derived butyrate activates immune cells to enhance vaccine efficacy by promoting T follicular helper (Tfh) cell activity and mucosal antibody production. This discovery highlights the crucial role of gut environment regulation in controlling infections and enhancing vaccine resp...
A new MERS vaccine candidate has shown a stable and functional immune response in humans that persists for at least two years after a booster vaccination. The study demonstrates that such durable immunity can be achieved through targeted booster vaccinations, providing an important step toward an effective MERS vaccine.
Researchers at Salk Institute debut an epigenetic catalog that shows genetic inheritance and life experiences have distinct effects on various types of immune cells, shedding light on individual differences in immune responses and potential new personalized therapeutics.
The University of Texas MD Anderson Cancer Center has made significant advancements in cancer care through its collaborative efforts between clinicians and scientists. These breakthroughs include an immune-targeting vaccine that shows promise in intercepting cancer in patients with Lynch Syndrome, a novel immunotherapy that demonstrate...
Salk Institute scientists discover that dietary supplementation of the amino acid methionine protects infected mice against inflammation-related wasting, blood-brain barrier dysfunction, and death. Methionine boosts kidney filtration, reducing circulating cytokine levels and improving disease outcomes.
A team at Texas Biomedical Research Institute found that even with effective treatments for TB and HIV, the immune system remains seriously out-of-whack following treatment. The study suggests that host-directed therapies specifically targeting the immune system could potentially restore lung immune system functionality.
Boston College researchers used piezoelectric nanoparticles to trigger macrophages, a key part of the body's immune response. The study suggests that this method could be used to activate immune cells specifically at an infection or tumor site, avoiding side effects associated with systemic administration of drugs.
Salk Institute scientists found distinct disease courses and tolerance mechanisms in younger and older mice with sepsis, indicating a need for age-tailored therapies. The study suggests that future treatments may focus on controlling infection-generated damage rather than just targeting the pathogen.
Researchers at MD Anderson have made significant advancements in cancer treatment, demonstrating the effectiveness of immunotherapy before and after surgery in improving lung cancer patient outcomes. Additionally, a new study shows promise in using CAR T cell therapy to treat large B-cell lymphoma, reducing relapse rates.
A new study reveals that COVID-19 vaccination influences long-term immunity, with those vaccinated first showing stronger antibody responses to Omicron variants. The study found higher levels of IgG and IgA antibodies in vaccinated individuals, but a stronger T-cell response in those infected first.
The Influenza A(H3N2) subclade K virus is a growing concern due to its antigenic variants and reduced vaccine effectiveness. Researchers emphasize the need for swift responses to protect public health.
Researchers at MD Anderson have made significant discoveries in the treatment of rare bile duct cancers, with zanidatamab showing promising results. Additionally, a study identified RASH3D19 as a target to overcome treatment resistance in KRAS-mutant cancers.
A study from the Ragon Institute of Mass General Brigham, MIT and Harvard found that immune cells called CD8+ T cells play a crucial role in controlling HIV. Researchers discovered that having these CD8+ T cell features before treatment was most important for achieving remission.
Researchers at LJI have discovered a cellular driver that leads to the development of tissue-resident memory T cells, which specialize in defending specific organs. The study found that GPR25 sustains TGF-\u00b2 signaling, promoting differentiation and transformation into these specialized immune cells.
Researchers at the University of Arizona Comprehensive Cancer Center are investigating novel immune-based approaches to prevent keratinocytic skin cancers. They aim to identify early immune signals that can activate the body's own immune defenses to prevent cancer before it starts.
Researchers found that immune cells in the gut follow an atypical pathway to produce antibodies providing long-term protection against viruses. The study could help guide the development of better vaccines for respiratory viruses like influenza and SARS-CoV-2.
Researchers have made breakthroughs in overcoming immune reactions behind human rejection of transplanted pig kidneys, paving the way for more successful clinical trials. The study reveals three major immune responses against the pig kidney and identifies potential biomarkers as early-warning systems for rejection.
A 47-year-old man from New Jersey died after consuming beef due to a tick-borne meat allergy caused by the Lone Star tick's alpha-gal sugar. Researchers identified the allergy and its link to fatal anaphylaxis, urging physicians to investigate severe abdominal pain after eating red meat in areas with high Lone Star tick populations.
A team of researchers from Rice University and the Houston Methodist Research Institute will study how the brain responds to neural implants. They aim to develop more stable and longer-lasting brain-computer interfaces and neuroprosthetics, which could treat neurological disorders such as Parkinson’s disease, epilepsy, and stroke.
Scientists discovered profound and specific changes in T cells as people age, leading to weaker immune responses to vaccines. This insight opens the door to designing more effective vaccines by compensating for age-related cellular changes.
A study by Wake Forest University School of Medicine reveals that a stress response in immune cells contributes to chemotherapy-induced nerve damage. By blocking this pathway, researchers aim to develop new treatments to protect cancer patients from debilitating side effects.
Researchers identified key genes connected to cellular lipid metabolism that guide the precise release of cytotoxic granules in human NK and T cells. This discovery explains how immune cells work and sheds light on diseases caused by genetic defects.
A new monoclonal antibody has shown dose-dependent full protection against the malaria parasite with minimal side effects. Researchers found that a single injection of the antibody could provide months-long protection, offering a fundamentally different way to prevent infection before it starts.
Researchers at MD Anderson have discovered a previously unknown mechanism that explains how bacteria can drive treatment resistance in patients with oral and colorectal cancer. The study also identifies a new biomarker for improved immunotherapy responses in solid tumors.
A comprehensive guide describes the effects of spaceflight on the immune system, including microgravity, cosmic radiation, and sleep disruptions. The study provides integrated mechanistic insights into how these stressors alter immune physiology, with potential relevance in aging research.
The recombinant shingles vaccine achieved over 50% effectiveness against any herpes zoster outcome in both older and immunocompromised adults. The study suggests individuals previously vaccinated with live zoster should be revaccinated with two doses of RZV to maintain protection.
A newly identified antibody, 04_A06, has been found to block 98.5% of over 300 different HIV strains in laboratory tests. In humanized mice models, the antibody reduced viral load to undetectable levels, offering a promising approach for HIV prevention and treatment.
A new survey found that 72% of respondents agree that plasma-derived medicines can save lives, but most haven't donated. Plasma is essential in producing treatments for various serious health conditions.
Researchers at Aarhus University used mini-organs to show that cervical epithelial cells actively detect and combat infections, with uninfected cells becoming immune-active. This discovery opens opportunities for mucosal vaccines and targeted treatments against STIs and infertility.
Researchers at UBC have successfully transplanted an enzyme-converted kidney into a brain-dead recipient, showing promise for universal donor organs in transplantation. The breakthrough uses special enzymes to remove blood-type antigens, making it possible to use mismatched organs from deceased donors.
Researchers at La Jolla Institute for Immunology discovered that ALS is likely caused by an autoimmune reaction triggered by inflammatory CD4+ T cells targeting specific proteins in the nervous system. Anti-inflammatory CD4+ T cells may slow disease progression and prolong survival times.
Researchers at Ohio State University have found that cancer immunotherapy fails due to a collapse in protein quality control, leading to T-cell exhaustion. This discovery offers a new avenue for cancer immune therapy development by targeting the protein production cycle.
The NF-κB signaling pathway plays a key role in regulating immune responses, inflammation, cell development, and proliferation. Research into its functions and mechanisms continues to uncover new breakthroughs in immunology and life sciences.
The University of California - Riverside is receiving a $2 million grant to investigate how gut microbes interact with their human hosts to influence health. The research aims to create next-generation probiotics that strengthen the gut microbiome, improve vaccine effectiveness, and prevent infections.
Decades of research reveal immune cells shape the burden of Alzheimer's disease by both speeding up memory loss and protecting against it. New insights could transform treatment approaches and provide more effective outcomes.
Research has shown that lymph nodes provide the right environment for stem-like T cells to survive, multiply, and produce killer cells. Preserving lymph nodes could strengthen immune responses and increase the effectiveness of immunotherapy. The study's findings have important implications for cancer therapy.
A study published in eBioMedicine identified a specific immune response that controls Oropouche virus infections and prevents neurological damage. B cells produce antibodies quickly, helping to neutralize the virus and prevent its spread to the central nervous system.
Researchers at UMass Amherst found that certain T-cells have an inherent ability to remember past viral foes, which could lead to next-generation cancer vaccines. This 'immunological memory' is crucial for the body's immune response and can be harnessed for targeted therapies.
Researchers at NUS have developed a bioengineering approach to keep human lymph node tissue alive and functioning outside the body for several days. The method involves embedding thin slices of lymph node tissue in a soft gel that mimics the body's natural environment, allowing for detailed studies of immune cell behavior.
Researchers at Penn State College of Medicine discovered a new function of antibody-making B cells in response to flu infection. These cells produce a key signaling molecule called interleukin-1 beta, which is necessary for developing a robust immune response and forming optimal germinal centers.