Articles tagged with Helper T Cells
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Researchers at Ben-Gurion University find that CD4 T cells play a critical role in reducing aging by cleaning out senescence cells. They suggest tracking people in their 30s to assess the pace of aging and developing early interventions.
Australian scientists have discovered how T follicular helper cells tailor their behavior to different infections, paving the way for improved vaccine design and targeted therapies. The study sheds light on a molecular 'instruction manual' guiding antibody production and long-term immunity.
Researchers at RIKEN Center for Sustainable Resource Science identified ancient protein SCORE to help plants defend against various pathogens. By engineering synthetic SCORE variants, plants can be made resistant to multiple pathogen types.
Researchers found two types of peripheral helper T cells in inflamed joints: stem-like and effector cells. Stem-like cells live in immune hubs and help activate B cells, while effector cells cause inflammation outside the hubs. Targeting stem-like cells may offer new treatment hope for RA patients.
Researchers created a comprehensive human T cell reference for 68 subtypes and states, alongside the STCAT tool, achieving 28% higher accuracy than existing methods. The tool allows users to browse T cell expression profiles and analyze customized scRNA-seq data.
Research from the University of Chicago shows that a specially trained population of immune cells, called peacekeeper cells, prevents other immune cells from attacking their own cells during infection. This specificity allows the immune system to distinguish between foreign and self-antigens, preventing autoimmune attacks.
Researchers found that semisynthetic bile acid NorUDCA inhibits pro-inflammatory T helper 17 cells and promotes anti-inflammatory regulatory T cells in the intestine. This could lead to new therapies for inflammatory bowel diseases such as ulcerative colitis or Crohn's disease.
A study co-led by the University of Zurich has shown that gluconolactone significantly increases the number and function of regulatory T cells in both mice and humans, promoting a more balanced immune environment. This effect was observed in lupus patients as well, with visible improvements in clinical studies after just two weeks.
Researchers have identified a new starting point for therapy by targeting SSAT enzyme in psoriasis, restoring regulatory T cell function and breaking inflammation cycle. This approach could lead to a promising alternative treatment option with fewer side effects.
Researchers at the University of Pittsburgh have discovered a molecular pathway involving protein BLIMP1 that generates Th2 cells in response to inhaled house dust mite, driving allergic asthma. The study also found signaling molecules IL2 and IL10 are required for BLIMP1 expression, offering new therapeutic options.
Researchers at POSTECH have identified GLUT3 as essential for the suppressive function of regulatory T cells in tumor microenvironments, which can be targeted for cancer immunotherapy. The team's findings highlight the critical role of GLUT3 in regulating protein modifications that sustain immune suppression within tumors.
A new study suggests that boosting T-regulatory cells may improve the chance of healthy pregnancy and reduce miscarriage risk. Researchers found that treatment with interleukin-2 and antibodies targeting these cells improved pregnancy outcomes in mice, reducing miscarriage rates from 30% to 11%.
Researchers found that fever temperatures increase helper T cell metabolism, proliferation and inflammatory activity, while causing mitochondrial stress, DNA damage and cell death in a specific subset of Th1 cells. These findings may explain how chronic inflammation contributes to cancer development and suggest a fundamental way cells ...
Researchers developed a drug that enhances killer T cells' fighting power while reducing the toxicity of unmodified IL-2 treatments, overcoming inhibitory Tr1 cells and increasing immunotherapy's effectiveness. The study aims to personalize cancer immunotherapy for more patients.
Researchers found that the frequency of activated TREG cells remained elevated during treatment and continued to be high even after the virus was eliminated. Inflammatory features, such as increased TNF signaling, were sustained in TREG cells, indicating long-term immune system changes induced by the chronic infection.
Researchers have discovered several rare types of helper T cells associated with immune disorders such as multiple sclerosis and rheumatoid arthritis. The study found that genetic variants in bidirectional enhancer DNA are linked to specific immune-mediated diseases, including inflammatory bowel disease.
A new Finnish study from University of Turku shows that already a 30-minute exercise can increase the proportion of tumor-killing white blood cells in the bloodstream of breast cancer patients. The amount of several different white blood cell types increased during exercise, with cytotoxic T cells and natural killer cells rising the most.
A study published in PNAS reveals that ETV5 enhances the expression of osteopontin, leading to the differentiation of T cells into follicular helper cells. In SLE patients, disease activity is proportional to ETV5 and osteopontin levels, suggesting a potential therapeutic target for treating lupus.
Scientists at St. Jude Children's Research Hospital have reclassified Foxp3 as a transcriptional cofactor, revealing its reliance on DNA-binding proteins to regulate the immune system. This discovery has significant implications for future T-cell engineering and potentially treating autoimmune diseases.
Researchers found that mice lacking the G900 region exhibit reduced inflammatory response and suppressed Th2 differentiation when exposed to allergens. This discovery highlights the importance of the G900 gene enhancer in regulating immune responses and has implications for personalized treatments and asthma care.
Researchers at University of Turku have discovered a novel RNA that controls the development and function of regulatory T cells. This finding may enable the development of precision medicine treatments for autoimmune diseases and cancer.
Researchers at Mass General Brigham have identified Th2-multipotent progenitor (Th2-MPP) cells, which may play a crucial role in sustaining type 2 inflammation and contribute to disease symptoms. These findings provide potential targets for therapeutic interventions and lay the groundwork for future disease-modifying approaches.
A new murine model of dermatomyositis reveals the underlying immune system involvement in this highly progressive disease. The study identifies key components of the immune system responsible for disease development and suggests potential treatments targeting interleukin-6.
A second-generation melanoma vaccine has shown improved survival rates for male patients compared to female patients, particularly those who are younger and have earlier-stage cancer. The vaccine targets helper T cells to recognize melanoma proteins, leading to boosted patient survival and reduced cancer reoccurrences.
Researchers found that gut bacteria in newborns produce serotonin, promoting the development of immune cells called Tregs. This helps prevent allergic reactions and autoimmune diseases. The study suggests that unique gut bacteria may supply neurotransmitters needed for critical biological functions during early development.
Bonn researchers uncover key factors controlling the development of T follicular helper cells (Tfh), a crucial component of immune response. The study reveals that transforming growth factor TGF-β induces expression of transcription factor Bcl6, chemokine receptor CXCR5, and c-Maf, which are essential for Tfh cell formation.
A new strategy used by cancer cells to protect themselves from immune system attack has been identified, and a potential target for immunotherapy has been found. Blocking activin receptor 1C on CD4+ T cells may help prevent the accumulation of immune-suppressing Tregs in tumors and slow tumor growth.
Researchers found significantly higher levels of IL-18 expression in osteoarthritis patients and cells compared to healthy controls. IL-17 promoted IL-18 production through the MEK/ERK/miR-4492 axis, indicating potential therapeutic targets for OA treatment.
Researchers have revealed CD4+ T cells can work effectively on their own to control melanoma, challenging conventional understanding. Harnessing their potential therapeutically holds great promise for improving current cancer immunotherapies.
Researchers have discovered that CD4 and LAG-3 are conserved throughout jawed vertebrate species, including sharks. The study reveals that the cytoplasmic tail motifs of these proteins have opposing immune functions, with CxC/H promoting activation and ITIM-like motif inhibiting cell activity.
Salk researchers identify Foxp3 as the protein that determines regulatory T cell genome structure and fate, enabling manipulation to treat autoimmunity or fight cancer. The study reveals Foxp3's essential role in creating unique chromatin architecture of regulatory T cells.
Scientists have found that lung-resident memory B cells, critical for pulmonary immunity, require interferon-gamma produced by T follicular helper cells to differentiate. These long-lived immune cells migrate to the lungs from draining lymph nodes and lie in wait to react quickly to future infections.
Scientists at UAB identify a cell-surface marker that distinguishes PD-1+CXCR5+CD4+ T cells destined to become GC-Tfh cells from those becoming long-lived memory CXCR5+CD4+ T cells. The study reveals the critical role of c-Maf in the transition step from pre-Tfh to GC-Tfh cell differentiation.
Researchers at La Jolla Institute for Immunology and Augusta University have identified a link between
A Scripps Research study has developed a method to analyze T cells in blood samples to detect early signs of autoimmune disease that could lead to type 1 diabetes. This approach has shown 100% accuracy in identifying at-risk patients and may be used for personalized treatment.
Researchers discuss the potential of glucocorticoid-induced TNFR-related protein (GITR) as a target for cancer immunotherapy. Preclinical studies have shown potent anti-tumor efficacy, but clinical trials have yielded inconsistent results due to complexities in immune responses and antibody structure.
Researchers have found that microglial cells in the brain can serve as a stable viral reservoir for latent HIV. This discovery provides new insights into how to target and eradicate the virus, particularly in the brain or peripheral blood.
Research reveals that age-dependent changes in germinal centres lead to reduced vaccine response in older people. The study demonstrates that reversing these changes can be achieved through interventions.
Researchers found that IL-6 signaling in allergen-specific T cells was needed to suppress commitment to the harmful Th2 lineage. SOCS3 upregulation by IL-6 inhibits JAK/STAT internal signaling pathway, preventing Th2 cell priming.
A new study finds that rare helper T cells called Th9 can drive allergic disease and may hold the key to precision medicine approaches for treating severe allergies. Th9 cells are activated by specific transcription factors and can produce inflammatory cytokines without antigen stimulation.
A recent study led by Children's Hospital of Philadelphia identifies two different regulatory T cell populations, one related to autoimmunity and the other to protective immunity. The findings could pave the way for new treatments that target the immune system selectively.
A team at UC San Diego developed a biodegradable polymer system to treat rheumatoid arthritis by working with the immune system. The method uses encapsulated all-trans retinoic acid (ATRA) that transforms disease-causing cells into regulatory T cells.
Researchers found that xanthine, a purine metabolite found in caffeinated foods, drives Th17 cell differentiation through endoplasmic reticulum stress in intestinal epithelial cells. This discovery may help understand how diseases like IBD develop and potentially lead to new therapeutic strategies.
Researchers at Hokkaido University discovered itaconate's modulatory effect on T helper and T regulatory cells, potentially leading to new treatments for autoimmune diseases. The study found that itaconate inhibits Th17 cell differentiation and promotes Treg cell development, reducing disease symptoms in mice models.
Researchers found that gut microbes drive the production of regulatory T cells, which act as immune healers that repair muscle injury. These cells were previously thought to be only produced in the gut, but now it's clear they also play a role in healing damaged livers.
Researchers found that severe herpesvirus infections can strongly activate host cellular immunity, leading to a therapeutic effect on refractory adult T-cell leukemia/lymphoma. This activation may play an important role in the survival of patients with this intractable disease.
A study by University of Liverpool researchers reveals how a unique subset of lung T regulatory cells provide resistance to bacteraemic pneumonia. These cells, known as TNFR2 expressing Tregs, play a critical role in maintaining and controlling frontline host immune responses when pneumococci infect the lungs. The findings have signifi...
A study published in Science Immunology has discovered a potential new approach for treating systemic lupus erythematosus (SLE) by targeting iron metabolism in immune system cells. Blocking the iron uptake receptor reduced disease pathology and promoted anti-inflammatory regulatory T cell activity in a mouse model of SLE.
Researchers discovered a previously unknown property of certain immune cells called Th17 cells, which produce the pro-inflammatory cytokine IL-1α. This finding sheds light on autoimmune diseases like rheumatoid arthritis in children and provides new insights into the defense against fungal infections.
Researchers review myeloid-derived suppressor cells' phenotypes, mechanisms of immunosuppression, and roles in cancer treatment. Studies on non-malignant diseases, such as autoimmune disorders and obesity, are lacking, highlighting the need for further investigation.
A new study led by Weill Cornell Medicine researchers offers insight into the immune mechanisms of inflammatory disease. Group 2 innate lymphoid cells (ILC2s) have an essential role in protecting tissues from parasitic infections and allergic inflammation.
A new study led by Erika Pearce at Johns Hopkins Medicine found that the shape and function of mitochondria in Th17 cells play a crucial role in controlling their autoimmune activity. The researchers identified several molecules, including LKB1, that can influence this process, paving the way for potential therapeutic modifications.
In a new study, researchers found that immune T cells lacking the key transcription factor Satb1 are more susceptible to suppression by regulatory T cells, leading to transplant tolerance. The study provides insight into the mechanism behind transplantation tolerance and may lead to the development of new immunosuppression regimens.
A study published in Cell found that a Western-style diet high in sugar alters the gut microbiome, leading to metabolic disease, pre-diabetes, and weight gain. Eliminating sugar from the diet restored the protective effects of Th17 immune cells, which were depleted by the sugar.
Researchers found that COVID-19 patients produce fewer ketone bodies than influenza patients, leading to reduced immune function. A ketogenic diet or administering ketone bodies revived immune cells in diseased mice, improving virus elimination and lung damage.
Researchers found that highly specialized T cells, designed to eliminate infected cells, remained active in the blood of all previously SARS-CoV-2-infected patients for at least 20 months. These T cells did not disappear or wane even at long follow-up, suggesting a vital aspect of protective immunity that persists years after COVID-19.
Scientists at Indiana University School of Medicine discovered differences in FOXP3 isoforms controlling Treg cells and their impact on the immune system. These findings may lead to new treatments for autoimmune diseases and allergies.
Researchers at Massachusetts General Hospital discovered a novel immunotherapy mechanism that uses CD4+ T helper 2 cells to suppress breast cancer development. These cells force breast cancer cells to revert to benign breast gland cells, providing new insights into the treatment of this disease.
Researchers at Washington State University have discovered that a specific population of CD4-positive helper T cells initiates antitumor immunity defenses, which can enhance the effectiveness of killer cell attacks on cancer cells. This finding holds promise for improving cancer immunotherapy response rates.
Studies found people infected and vaccinated had similarly robust antibody responses against variants alpha through omicron; Immune memory cells against common cold coronaviruses may be markers of longer immunity. Researchers hope to improve vaccines with these insights.