Articles tagged with Helper T Cells
A new study reveals that certain T lymphocytes can increase inflammation and worsen atherosclerosis cases, contrary to their usual role as immune system defenders. Researchers at La Jolla Institute for Immunology are working to design a safe anti-atherosclerosis vaccine by harnessing the power of T cells.
Researchers found that blocking IL-17A increases the presence of other inflammatory molecules produced by Th17 cells, immune cells involved in neuroinflammation. The study suggests a combination approach involving both IL-17A and IL-24 may be more effective in treating autoimmune disorders of the nervous system.
Scientists at Salk Institute have identified a key gene that modifies regulatory T cells, fine-tuning the immune response. By controlling these cells, they may be able to treat both cancer and autoimmune diseases.
Researchers studied SARS-CoV-2 antibodies in 11,066 patients, finding they associate with clinical severity and provide valuable diagnostic support. Obesity is associated with worse COVID-19 outcomes in NYC cohort of 1,687 persons hospitalized with confirmed cases.
Researchers found that females upregulate anti-inflammatory T cells to maintain lower blood pressures, which may lead to new hypertension treatment strategies for females. In contrast, males did not show a significant response to reduced Treg levels, suggesting their blood pressure is less dependent on this mechanism.
Indoximod increases T cell proliferation by modulating CD4+ T cells via the aryl hydrocarbon receptor and reactivating mTOR. It also downregulates IDO protein expression in dendritic cells, opposing the immunosuppressive effects of IDO and TDO.
Researchers at La Jolla Institute for Immunology have identified a key protein controlling T follicular helper cell (Tfh) differentiation. The protein Bcl6 acts as a master regulator in the immune system, blocking or promoting gene expression to control immune responses. This study opens the door to designing vaccines and therapies tha...
Researchers found that polyphenol PCB2DG suppresses cytokine production in T cells by inhibiting glycolysis and the mTOR/HIF-1 pathway. This study provides insights into the mechanism underlying the immunosuppressive effects of polyphenols.
Researchers have developed a therapy using engineered T cells to target and treat type 1 diabetes by restoring balance in the pancreas. The treatment involves genetically engineering a patient's own T cells to function like normal regulatory T cells, which then help suppress the overactive immune response.
Researchers at Ludwig-Maximilians-Universität München have identified an earlier indicator of vaccine efficacy: specific white blood cells in the blood. The study shows that these cells can predict the quality of the immune response induced by vaccination, allowing for more rapid assessment of vaccine effectiveness.
Researchers have identified a non-protein coding 'dark matter' region of the genome that affects immune responses, revealing a key genetic switch that helps keep the immune system in check. This study provides insight into complex autoimmune and allergic diseases such as inflammatory bowel disease and asthma.
Researchers at Luxembourg Institute of Health discovered a mechanism to control regulatory T cells, which can either trigger autoimmune diseases or boost anti-cancer responses. A specially designed diet with reduced serine and glycine levels suppressed severe autoimmunity in mice.
Professors Sarah Gaffen and Vijay Kuchroo jointly recognized for deciphering the role of IL-17 in health and disease. Their work has made significant headway in establishing systems for IL-17 investigation, contributing to immunotherapeutics targeting autoimmune diseases.
Researchers have developed a novel method to induce regulatory T-cells from mesenchymal stromal cells, which could lead to new treatments for various chronic inflammatory diseases. The study found that MSCs can produce an abundant replacement for naturally occurring T-cells, increasing the count and frequency of Treg-like cells.
Researchers discovered a key role for H2-O chaperone protein in protecting the immune system from autoimmunity, which causes diseases such as multiple sclerosis and rheumatoid arthritis. The study found that the absence of H2-O disrupted normal helper T cell function, leading to autoimmune reactions.
A Ludwig Cancer Research study discovered that a gut microbiome metabolite, isoDCA, enhances the generation of regulatory T cells in the colon. This boost helps suppress chronic intestinal inflammation, a major driver of colorectal cancers.
Researchers have discovered that T follicular helper cells can persist for at least 400 days after infection, supporting antibody production even in late stages. This finding opens up new prospects for creating long-term acquired immunity through vaccination strategies.
Researchers at the University of Melbourne discovered striking differences in male and female immune systems that may explain why men are more susceptible to obesity. The study found a novel type of stromal cell that communicates with Treg cells and is specific to males, leading to a sex-specific chain of events.
Researchers found that manipulating cellular metabolism can modulate the balance between pathogenic Th17 and regulatory T cells in chronic autoimmune disorders. A mouse model showed that inhibition of mitochondrial OXPHOS delays disease onset and reduces severity, promoting the generation of suppressive Treg cells.
A study found that targeting a specific protein involved in lipid uptake and metabolism could selectively disrupt the activity of regulatory T cells in tumors, boosting the effects of cancer immunotherapy. The researchers also discovered that CD36 deficiency induced a form of cell suicide in these immune cells, reducing tumor burden an...
Two Harvard Medical School studies show that bile acids promote differentiation and activity of T cells involved in regulating inflammation. Gut microbes convert bile acids into immune-signaling molecules that activate regulatory T cells and effector helper T cells. The work suggests possible therapeutic pathways for modulating intesti...
Researchers deciphered a mechanism impairing regulatory T cell differentiation and stability in type 1 diabetes. Inhibiting the miRNA142-3p molecule increased functional Tregs and reduced autoimmune activation.
Researchers at UCLouvain have made breakthroughs in understanding the immune system's role in cancer. They developed a new drug targeting immune system cells to stimulate anti-tumour responses, and are now testing it in human clinical trials.
Research reveals that activated T helper cells can hinder HIV vaccine efficacy, as they migrate to mucosal tissues and express coreceptors that facilitate viral entry. This discovery highlights the need for careful consideration of T cell responses in vaccine development.
Researchers found that prostate cancer bone metastases produce high levels of TGF-β, which crowds out helpful T cells needed for effective treatment. Combining anti-TGF-β with checkpoint inhibitors may reverse resistance and improve outcomes.
St. Jude researchers have identified key biological switches controlling regulatory T cells, which can be boosted or suppressed for cancer and autoimmune disorder treatment. The study reveals the critical role of enzymes Rag and Rheb in activating these cells, offering new avenues for immunotherapy against cancers.
A new study reveals that helper T cells play a vital role in cancer immunotherapy, and activating them alongside killer T cells can lead to more effective treatments. The research suggests that combining immune checkpoint therapy with vaccines targeting both types of T cells may be the key to improving treatment outcomes for patients
The study developed a new method combining mass spectrometry technology and machine learning to identify HLA-II binding motifs, leading to improved prediction of immunogenic peptides. This advancement will refine personalized immunotherapy for cancer treatment.
Researchers identified a specific subgroup of helper T cells driving MS and found that targeting the CXCR6 protein prevented and reversed the disease in mouse models. Elevated levels of CXCR6-positive cells were also found in inflamed joints of patients with inflammatory autoimmune arthritis.
The study reveals that ectosomes, tiny vesicles containing key immune messages, can be intercepted and deciphered using super resolution microscopy. This breakthrough understanding of cellular communication has significant implications for developing therapies that shape the immune response to specific diseases.
A preclinical study shows that IL-6 protects T follicular helper cells from deleterious effects of IL-2 by interrupting a feedback loop, allowing them to receive sustained T-cell receptor stimulation. This finding has important therapeutic implications for autoimmune diseases like lupus and may lead to better treatment options.
A recent study at University of Eastern Finland discovered a novel T-cell subset, peripheral helper T cells, associated with the onset of type 1 diabetes. These cells were found to be more frequent in children who later developed the disease and those with autoantibodies indicating genetic risk.
Researchers discovered T follicular helper cells in blood can reveal immune system events in distant parts of the body. The 'periscope' approach enables a snapshot of whole-body immunity from blood samples, paving the way for personalized treatment plans.
A new approach from Harvard researchers uses a biomaterial scaffold and childhood vaccines to attract and activate T cells that promote revascularization of ischemic tissues. The technique increases the concentration of T cells at the ischemic site and stimulates angiogenesis, blood flow, and muscle fiber regeneration.
A University of Tsukuba-led study found that OX40-expressing follicular helper T cells control rheumatoid arthritis by promoting inflammation through autoantibody sialylation. The interaction between OX40 on T cells and OX40L on antibody-producing B cells led to reduced sialylation, increasing autoimmune inflammation.
A new study reveals that T follicular helper cells shield mice from obesity by promoting IgA antibody production, which suppresses lipid absorption. This discovery highlights the immune system's role in regulating the gut microbiome and offers potential for novel treatments against metabolic diseases.
A new study identifies a genetic vulnerability in Hmong people that makes them more susceptible to blastomycosis. The research found that Hmong individuals produce less interleukin-6 (IL-6), an essential immune response, leading to reduced Type 17 cytokine T helper cells and increased disease severity.
Researchers at Toho University found that mice lacking JunB develop severe autoimmune disorders due to reduced Treg cell number. Injecting high doses of IL-2 can mitigate colitis by expanding Treg cells, suggesting a potential novel strategy for treating inflammatory diseases.
A study published in Immunity reveals that the synthesis and breakdown of fats play a crucial role in asthma-related inflammation. Researchers used single-cell RNA sequencing to analyze gene expression in immune cells exposed to house dust mites, finding a unique profile of genes linked to fat metabolism.
A study has characterised two distinct populations of gut immune cells, which could help scientists develop treatments targeting inflammation while preserving healthy gut function. The 'good' cell population helps keep the gut lining healthy, while the 'bad' cells cause excessive inflammation and are associated with inflammatory diseases.
Researchers at Massachusetts General Hospital have discovered a method to repurpose immunosuppressive regulatory T cells into inflammatory cells that intensify an antitumor immune response. This approach primes tumors for immune checkpoint blockade, increasing the effectiveness of cancer therapies.
Researchers have detailed the role of T-bet, a key transcription factor, in transforming B cells into antibody-secreting cells. The study found that T-bet acts through a distinct mechanism, repressing inflammatory genes in B cells to facilitate their differentiation.
Researchers at Karolinska Institutet mapped immune system targets in patients with rare IPEX disease, revealing that regulatory T cells control gut-related immunotolerance. The study provides insights into the role of these cells in preventing autoimmune diseases.
Scientists at DZNE and University of Bonn found that regulatory T cells use the protein HPGD to suppress inflammation in adipose tissue, preventing insulin resistance and type 2 diabetes. HPGD also showed a correlation with reduced levels in patients with diabetes.
Chen Dong has made seminal contributions to the field of CD4 T cell subsets, including the discovery of Th17 lineage cells and T follicular helper cells. His research has improved our understanding of human diseases and led to novel treatments, such as antagonizing Th17 cell function for autoimmune diseases.
Research reveals that T-regulatory cells, which suppress the immune response, are driving tumor resistance to radiotherapy. Inhibiting EphB4-ephrinB2 interaction reduces T-reg cell activity, allowing immune cells to target cancer effectively.
A new study by University of Pittsburgh researchers has identified a previously unknown mechanism used by tumors to suppress the immune system. The study found that tumors use two types of immune cells, regulatory T cells (Tregs), to release inhibitory cytokines, which activate a protein called BLIMP1 and disable killer T cells.
Researchers have identified GARP, a protein on immune cells, as a potential new target for immunotherapy against colorectal cancer. Disrupting GARP reduces tolerance and inhibits Treg cell migration to the gut, leading to reduced colon cancer development.
Researchers at Cincinnati Children's Hospital Medical Center have developed a new mathematical method that enables the mapping of cell regulatory networks with significantly reduced biological material. This breakthrough may lead to better treatments for autoimmune diseases like multiple sclerosis, psoriasis, and inflammatory bowel dis...
The study reveals that Foxp1 is essential for the proper functioning of Treg cells, which play a crucial role in regulating immune responses. The findings suggest that targeting Foxp1 could lead to the development of therapies that selectively modulate Treg cell activity, offering new hope for treating autoimmune diseases and cancer.
A Monash University study reveals how helper T cells aid memory T cells in optimal functioning and generate a robust response against infection. The research sheds light on the mechanisms behind immunological memory and its potential applications in creating new vaccines and treatments for diseases.
A team of scientists discovered that Blimp1 prevents the loss of identity in regulatory T cells, a type of immune cell that controls inflammation. This finding has implications for therapies against inflammatory autoimmune diseases such as multiple sclerosis and arthritis.
A recent study published in Nature Communications identifies Satb1 as a protein regulator that induces the pathogenic properties of Th17 cells, leading to multiple sclerosis and other inflammatory autoimmune disorders. By targeting Satb1 gene expression in Th17 cells, novel treatments may be developed to alleviate or eliminate disease ...
A new discovery by Professor Graham Lord and his team at the University of Manchester reveals a crucial molecular pathway regulated by microRNA-142, which controls Regulatory T cells. This finding has significant implications for treating autoimmune diseases, infectious diseases, and cancer.
A study by La Jolla Institute for Immunology finds that recurrent group A strep tonsillitis is caused by a combination of genetic and immunological factors, including an insufficient antibody response against SpeA. This understanding may lead to the development of a vaccine to protect against strep throat.
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.
Researchers discovered rare subsets of unconventional T cells in SpA patients, which produce pro-inflammatory cytokines like IL-17. These cells can be targeted with RORγt inhibitors, potentially treating IL-17 driven diseases, including spondyloarthritis.
Scientists have created a retroviral CRISPR-Cas9 gene editing library to explore the regulation of mouse T cells, mapping the most important genes for controlling T helper cells and identifying several new regulatory genes. This could help develop new treatments to activate the immune system.
A recent study found that high-fat diets significantly increase blood pressure in both young male and female rats, with comparable effects on males and females. The study also showed sex differences in inflammation response, where females maintained a higher percentage of Tregs, which help decrease blood pressure.
Researchers studying fetal exposure to inflammation aim to understand its impact on infant immune responses and potential prevention methods. High levels of Th17 cells in pregnancy-inflammation mothers and preterm babies have been linked to tissue damage, but their role in infection protection is unclear.