Articles tagged with Immune Response
Researchers discovered that lipid accumulation promotes immune suppression and therapy resistance in triple negative breast cancer. Blocking Omega-6 fatty acid intake reversed treatment resistance. Disrupting lipid droplet formation also resensitized tumors to chemotherapy and immunotherapy.
Scientists have identified COVID-derived molecular mimics that trigger autoimmunity, with some associated with type 1 diabetes and multiple sclerosis. The study suggests people with specific genetics may be at higher risk of COVID-induced autoimmunity.
Larvae of wood frogs grow and mature precociously when infected with ranavirus, exhibiting accelerated growth and development. This may help tadpoles tolerate the energetic demands of infection or escape risky environments to avoid infection entirely.
Scientists at Sanford Burnham Prebys developed a new method of generating antibodies by fusing two immune system proteins, enabling the creation of stable monoclonal antibodies. This breakthrough has potential applications in diagnosing and monitoring diseases such as lupus and cancers.
A TB vaccination has been shown to boost the immune system of bladder cancer patients, reducing cancer recurrence rates by up to 75% in a small pilot study. The vaccine was well-tolerated with no side effects and showed promising results in improving patient outcomes.
Scientists have identified a key component in launching immune activity and overactivity, providing a potential target for therapies that could prevent debilitating illnesses. The researchers discovered a protein in cells that spurs the release of infection-fighting molecules, which is essential for controlling the disease.
A new study reveals that maternal immune activation can alter hippocampal neuron excitability in newborn rats, with implications for neurodevelopmental disorders. Prenatal inflammation has been linked to conditions like autism, schizophrenia, and depression, and may underlie their increased risk.
Researchers found that disrupting bacterial metabolism can help the body tolerate infection and heal more effectively. By inhibiting a specific metabolic pathway, they successfully reduced tissue damage in a mouse model of necrotizing skin infection.
Dr. Nowicki's team has engineered 'supercharged' T cells that produce extra TNF-alpha to boost cancer-fighting ability, offering a potentially more precise and toxic-free treatment option. The new funding will help test these enhanced T cells in preclinical models to evaluate their effectiveness.
A study has established the importance of immunoglobulin A in generating a response to pneumonia vaccines. The research found that poor regulation of gut microbiota can lead to an inadequate immune response, leaving individuals vulnerable to respiratory infections.
Researchers have discovered how severe COVID-19 can destroy immune cells' ability to repair the lungs, leading to lingering effects of long COVID. By enhancing damaged organelles using a FDA-approved drug, they found improved lung healing and reduced inflammation.
Engineered platelets-based nano-aircraft carriers enhance targeted chemotherapy with graded drug release, promoting antitumor immune response and reducing metastasis. Researchers successfully develop Pts-based nanovesicles for precise cancer treatment.
A recent study published in Nature has identified specialized blood vessels and nitric oxide as crucial for stem cell survival and immune evasion. Hematopoietic stem cells that produce high levels of nitric oxide survive by manipulating the immune response, creating an 'immune-privileged' environment.
A recent study published in the Journal of Experimental Medicine reveals that plasma cells are programmed from birth to migrate to protected sites in the body, where they produce large amounts of antibodies. High expression of integrin β7 is an excellent marker for these cells' ability to home to the bone marrow.
Researchers found that mice receiving both doses of COVID-19 vaccine in the same limb had a faster initial antibody response. Long-term immunity was similar between vaccination approaches.
A new study found that white blood cells that remember past inflammation events are quick to overreact, raising the risk of blood clots. Researchers discovered that these immune cells, called myeloid cells, have increased blood-clotting activity long after the initial inflammatory event.
Scientists have identified a new target to prevent cold sores by understanding how the herpes virus triggers its own immune response. The discovery has important implications for genital herpes caused by the same virus, with potential treatments in development.
Researchers found that training the innate immune system can exacerbate inflammatory bone loss in models of chronic diseases like periodontitis and arthritis. The study suggests that a previously thought beneficial effect of trained immunity may actually contribute to harm in certain contexts.
Researchers discovered noncoding cryptic peptides as an alternative source of target antigens for ovarian cancer. The findings could improve treatment approaches by mobilizing the immune system to attack tumor cells.
A study by NYU Abu Dhabi researchers found that children from the Fulani group have a distinct immune response to malaria, with key differences in immune cell activity offering greater protection. The study highlights the impact of genetics and lifestyle on immune responses.
Researchers have discovered double negative memory B cells, a novel subset of immune cells that are more dysfunctional when in close contact with tumors. These cells may be a useful diagnostic marker and a potential target for developing new immunotherapies.
Researchers at Salk Institute discover SSRIs like Prozac regulate immune response, preventing sepsis in mice. The findings suggest a potential new use for the popular drug, which could lead to life-saving treatments and enhanced global preparedness for pandemics.
A study on Nigerian healthcare workers found that excessive iron levels increased the risk of catching COVID-19, while moderate deficiency didn't offer protection. The research highlights an evolutionary tradeoff between iron's benefits for immune function and its potential risk to pathogens.
Researchers discover mitochondrial transfer between cancer cells and immune cells as a key immune evasion strategy. Cancer cells can reshape the tumor microenvironment to weaken tumor-infiltrating lymphocytes, and mitochondria play a significant role in this process.
The new center aims to advance understanding, prevention, and management of sepsis through innovative research. Dr. Chanu Rhee and Dr. Michael Klompas will lead the effort, building on their expertise in sepsis surveillance, prevention, treatment, and policy.
Researchers discovered immune cells that can recognise influenza (flu) viruses even as they mutate, providing a potential solution to the annual updates of flu vaccines. The study found that certain T cells, which play a critical role in fighting infections, can detect multiple flu strains, even those that have evolved over a century.
A new biodegradable polymer-based delivery system efficiently transports mRNA, outperforming existing lipid nanoparticles in delivery efficiency and expression duration. The study also shows improved immune response results without liver accumulation or toxicity.
Researchers at the University of Melbourne have identified a rare type of immune cell, called stem-like T cells, that holds the key to maintaining powerful, long-term immune responses. ID3+ T cells have the remarkable ability to resist burnout and maintain a powerful immune response over time.
Researchers developed a new approach to quickly identify mutations that enable viral immune escape. By analyzing the effects of individual mutations in reverse, they found three key mutations in the spike protein responsible for immune evasion.
Research from RIKEN Center for Integrative Medical Sciences found that infant gut bacteria are associated with food sensitivities and allergies, particularly to eggs. The study suggests that probiotic supplements, such as Bifidobacterium, may help prevent food allergies in at-risk infants.
Researchers at Terasaki Institute develop lipopeptide hydrogels to deliver peptide-based cancer vaccines, demonstrating sustained release and enhanced immune cell uptake. The system shows promise in overcoming limitations of traditional peptide-based vaccines.
A team of researchers has identified a calcium-activated bi-kinase module as the central molecular switch driving plant immune response. This discovery sheds light on how plants transmit immune signals from cell to cell without disrupting other signalling chains, using reactive oxygen species and calcium signals.
Researchers found that pomalidomide enhances key immune cells, such as T cells and natural killer cells, which helps the body recognize and destroy cancer cells. This leads to improved immune profiles in patients with myeloma, resulting in longer progression-free survival periods.
Research suggests that APOBEC enzymes, which normally target viruses, are unusually active in the brains of Huntington’s patients and cause genetic changes. The study found that APOBEC3A was most pronounced in causing DNA repeat expansion in a CAG/CTG tract.
A new tool called EpiScalp uses algorithms trained on dynamic network models to map brainwave patterns and identify hidden signs of epilepsy from a single routine EEG. This tool has ruled out 96% of false positives, cutting potential misdiagnoses among cases by nearly 70%, according to a Johns Hopkins University study.
A new study published in Cell reveals significant differences in the immune response of children and adults to cancer, with potential implications for targeted therapies. The research shows that children's tumours are generally less inflammatory and have fewer mutations, making them appear less foreign to their immune system.
Scientists at Salk Institute discovered that removing bile acid-creating protein BAAT and adding bile acid UDCA controls tumor growth in mice with liver cancer. UDCA supplements may be a quick solution to improving liver cancer patient outcomes.
Researchers discovered that DNA repair determines how cancer cells die following radiotherapy, with specific pathways triggering cell death noticed by the immune system. Blocking these pathways can force cancer cells to die in a manner that alerts the immune system, leading to new potential treatments.
Researchers at the University of São Paulo's Medical School have developed a COVID-19 vaccine using virus-like particles (VLPs), which proved highly protective, safe, and versatile in animal trials. The vaccine can be easily updated to combat variants of concern without requiring an adjuvant.
Researchers designed metallo-supramolecular complexes that selectively bind to MPXV mRNA G4, modulating A5L protein expression and immune response activation. These findings highlight the significance of G4s in viral immunodominant protein expression and offer potential avenues for developing antiviral therapeutics.
Researchers at Salk Institute discovered plant cells enter an immune state to fight pathogens, using Primary IMmunE Responder (PRIMER) cells as hubs for the immune response. These cells are surrounded by bystander cells that enable long-distance cell-to-cell communication.
The Neuron special issue sheds light on the science of aging, focusing on how age-related changes impact the brain's ability to clear waste and transport energy. The collection also explores the link between the immune system and brain health.
Stephania Cormier and colleagues lead a Frontiers in Immunology research collaboration to explain RSV's complex interplay with host immune responses. The team identifies gaps in knowledge, hindering therapeutics and vaccines development.
Researchers at Princeton University discovered that certain bacteria can reduce a plant's immune activity, allowing its roots to grow longer. The study identified an enzyme produced by one of these bacteria as the key factor in this process, which could have implications for understanding microbiome interactions with host immune systems.
Researchers discovered a link between HSV-1 and Alzheimer's disease, suggesting that viral infections play a role in the disease. The study also found that tau protein initially protects the brain from the virus but contributes to brain damage later.
Research from Radboud University Medical Center shows that lockdowns during the COVID-19 pandemic strengthened the immune system's response to microorganisms. The study found that after lockdowns, inflammation levels in the body were low but the immune system reacted more intensely to viruses and bacteria.
A novel nanobody-based immunosensor has been developed for quantitative point-of-care testing, including therapeutic drug monitoring and environmental applications. The design uses BRET—bioluminescence resonance energy transfer—and exhibits great potential in undiluted biological fluids.
Researchers at Tokyo University of Science found that kaempferol increases RALDH2 levels in dendritic cells, promoting regulatory T-cell development and reducing inflammation. The study suggests that flavonoids like kaempferol may serve as natural remedies to alleviate allergic symptoms.
The University of Surrey's research focuses on targeting mutated pathways with new drugs to treat rare conditions like immunodeficiencies. The team discovered that mTOR inhibitors can help restore normal B cell function.
Researchers at Salk Institute establish a novel framework for the relationship between nutrition and cell identity. They found that a nutritional switch from acetate to citrate plays a key role in determining T cell fates, shifting them from active effector cells to exhausted cells.
A team of researchers from DTU has successfully produced vitamin B2 using a novel, cost-effective, and climate-friendly method involving food-approved lactic acid bacteria. The production process requires only basic fermentation tools and can be integrated into traditional foods, enhancing public health and reducing environmental impact.
A new study by Duke University researchers reveals that pups of dominant female meerkats, exposed to higher levels of testosterone in the womb, tend to carry more gut parasites and have weaker immune systems. Blocking a matriarch's testosterone improved the health of her pups, leading to stronger natural defenses against infection.
A phase 3 study demonstrated nearly 75% complete cancer remission in patients with high-risk bladder cancer unresponsive to BCG therapy. The novel treatment, cretostimogene grenadenorepvec, was well-tolerated and did not require bladder removal surgery.
A groundbreaking study reveals that macrophages within muscle spindles actively participate in motor control through fast neurotransmitter-mediated mechanisms. These immune cells help fine-tune muscle contractions, providing essential feedback to the nervous system and optimizing energy use during physical activity.
Researchers have identified UBA1 enzyme as key mediator for immune response to tumors, inhibiting its activity increases T-cell recruitment and lowers tumor resistance. Pairing UBA1 inhibitors with immune checkpoint blockade therapies may make immunotherapy more effective for patients with 'cold' tumors.
A Phase 2 clinical trial has been initiated by Genethon and Hansa Biopharma to evaluate the efficacy and safety of imlifidase, a gene therapy for Crigler-Najjar syndrome. The trial aims to address anti-AAV antibodies, which prevent up to 1 in 3 people from benefiting from gene therapies.
Researchers found that certain cancer treatments, such as immune checkpoint inhibitors, can trigger damaging levels of inflammation in the heart and increase risk of heart disease. This is because these treatments interfere with immune regulation in the heart's largest blood vessels.
A new study finds that fine particulate air pollution (PM2.5) exposure is associated with altered immune responses and increased inflammation in pregnant women, leading to adverse birth outcomes. The study highlights the importance of minimizing air pollution exposure in pregnant women to protect maternal and fetal health.
Researchers found that immunosuppression in prostate cancer is associated with a specialised epithelial subtype. This interaction between the immune system and club-like epithelial cells can lead to treatment resistance in patients with advanced, treatment-resistant prostate cancer.
Researchers at Clemson University have discovered a potential new therapeutic target for hidradenitis suppurativa, an immune disease causing painful skin lesions and inflammation. The study identifies CD2 as a key immune receptor with elevated expression on T cells and innate lymphoid cells in affected skin tissue.