Articles tagged with Regulatory T Cells
A study found that dendritic cells release CCL17, which drives atherosclerosis by restraining regulatory T-cell homeostasis. The researchers used transgenic mice to demonstrate the role of CCL17 in promoting atherosclerosis.
Researchers have discovered a mechanism by which green tea's EGCG compound increases regulatory T cells, improving immune function and potentially treating autoimmune diseases. This natural approach may provide a long-term, sustainable solution without toxicity, offering hope for disease prevention and treatment.
University of Minnesota researchers have discovered a method to quickly and exponentially grow regulatory T-cells, which can help patients avoid severe immune reactions after bone marrow or organ transplants. The new technique has already shown promising effects in treating acute graft-versus-host disease.
Researchers have discovered that a specific type of T-cell can kill neurons, raising concerns about the potential effectiveness of an MS therapy. The study found that these protective T-cells, which are meant to regulate the immune system, can instead cause autoimmune diseases like MS.
Research reveals vitamin A's dual role in immune response, producing regulatory T cells to dampen inflammation while stimulating pro-inflammatory responses to combat infection. The study highlights the importance of nutritional status in regulating the immune system.
Scientists have identified a distinct group of effector regulatory T cells responsible for suppressing immune responses. The discovery has significant repercussions for the treatment of autoimmune diseases, organ transplantation, and cancer, as well as how the efficacy of newly developed drugs is measured.
A UCSF team found that the human fetal immune system arises from a different source than the adult immune system and is more tolerant of foreign substances. This discovery may help explain why many infants born to HIV-positive mothers are not infected with the disease.
Researchers discovered a novel regulatory process in T cells that may help explain autoimmunity and immune deficiency diseases. The study found that disrupting this process leads to rapid T cell proliferation and death, compromising the immune system's defensive functions.
Researchers found that gut-invading worms produce a protein that generates regulatory T cells in mice, allowing the worms to establish a foothold. This mechanism also suppresses allergic responses, which may contribute to reduced allergy symptoms in humans infected with intestinal worms.
Researchers at St. Jude Children's Research Hospital have identified a new pathway that helps control the immune balance through reciprocal regulation of specialized T lymphocytes. The mechanism offers a promising target for new drugs against autoimmune disorders and could lead to new anti-rejection drugs.
T cells decide on their identity when they begin expressing the Bcl11b gene, which acts as a transcription factor to control other genes. The activation of Bcl11b is crucial for T cells to maintain their identity and undergo the conversion process in the thymus.
A new study suggests that T helper cells, previously thought to mediate autoimmunity, actually suppress the development of experimental immune encephalomyelitis in mice. The findings indicate that these cells can inhibit the growth of Th17 cells, which are believed to be responsible for causing multiple sclerosis.
Scientists at NYU Langone Health discovered a potential new target for treating rheumatoid arthritis by boosting the normal activity of regulatory T cells, which counterbalance conventional T cells' hyperactivity. The study reveals how an investigational drug wards off inflammation by holding an enzyme at bay.
Researchers found that the nervous system controls regulatory T cells, which help end an immune response, and that breaking this link can lead to new treatments for autoimmune diseases like lupus and arthritis. The study shows that stress from everyday events like seeing family around the holidays can negatively affect the immune system.
University of Michigan scientists have identified a fundamental mechanism regulating immune T-cell activity, with implications for conditions like autoimmune diseases, cancer, and organ transplants. The discovery reveals that regulatory T cells influence aggressive immune cells through redox chemistry.
A recent study published in the Journal of Experimental Medicine shows that IL-9 promotes a multiple sclerosis-like disease in mice. The research suggests that IL-9 production may be linked to the presence of TGF-beta rather than a specific Th cell subset, contradicting the theory of a unique 'Th9' cell subset.
A study from the University of Gothenburg reveals Helicobacter pylori manipulates immune cells to develop a chronic infection. The bacterium also increases regulatory T cells in the stomach lining, which may lead to new treatments against peptic ulcers and stomach cancer.
Researchers found that young autoreactive T-cells are more receptive to reeducation into regulatory T-cells. In contrast, older T-cells become fully activated and cause damage. Understanding the developmental stage of T-cells holds promise for developing new therapies for autoimmune diseases.
Researchers found that blocking a hormone called BAFF can prevent the development of Type 1 diabetes in mice. By depleting B cells, regulators of the immune system rise, allowing T regulatory cells to function properly and making killer T cells tolerant of insulin-producing cells.
Researchers have successfully tested a method to adjust the immune system to accept transplanted cells as 'self' in mice. The complex combines IL-2 with an antibody to stimulate T regulatory cells, boosting specific populations and subduing others.
Researcher Stacey Walters finds that boosting BAFF levels in mice can alter their immune systems to accept tissue transplants. Increased B cells stimulate T regulatory cells, controlling killer cells and preventing rejection.
A study published in Clinical Immunology describes a new method to induce regulatory T cells, which show great potential for treating autoimmune diseases and improving transplant outcomes. The method uses an inexpensive and simple high-yield approach to generate large amounts of these immune suppressive cells.
Researchers discovered that combining a tumor-boosting drug with radiation therapy can effectively shrink large tumors, but not small ones. The treatment works by increasing the expression of vessel proteins required for killer T cells to target the tumor.
Researchers at Duke University Medical Center have identified a subset of immune system B cells that can regulate inflammation. These regulatory B cells, called B10 cells, produce a potent cytokine that inhibits immune responses. Depleting or enhancing these cells may lead to new treatments for autoimmune diseases and cancer.
A study found that babies born by cesarean section showed a reduction in the suppressive function of their regulatory T-cells. This could be an important factor influencing immune system development in the neonate. Further research is needed to explore potential mechanisms.
A study of farming mothers and their children found that those exposed to farms had higher functioning regulatory T cells, which can suppress immune responses. This increase was strongest among babies born to mothers who spent time on farms or drank farm milk, suggesting a potential preventive strategy against allergic diseases.
A study found increased expression of FoxP3 mRNA and higher frequency of regulatory T cells in patients who responded to Adacolumn treatment with remission of symptoms. However, these changes were not observed in non-responding patients.
Activating OX40 protein in mice eliminates existing tumors and prevents new ones from forming, suggesting its potential as an anti-cancer therapy. The approach may mitigate the risk of autoimmune disease, as the mice showed no signs of autoimmunity.
A study by McGill University researchers found that certain immunoregulatory T-cells lose potency with age, leading to the onset of autoimmune diabetes. This discovery provides insight into the mechanism of type 1 diabetes and may lead to new immune system-based therapies.
Researchers at Imperial College London have discovered a mechanism that prevents the immune system from regulating itself properly, leading to allergic reactions. The new finding highlights the importance of regulatory T-cells in maintaining immune tolerance.
Researchers at Yale University found that an antibody used to treat certain cancers and rheumatoid arthritis delays type 1 diabetes in mice. The treatment works by depleting B cells, which can continue to suppress the inflammatory response even after the antibody is no longer administered.
Researchers at St. Jude Children's Research Hospital discovered a new signaling molecule IL-35 that prevents immune responses from running amok. The finding could lead to the development of new treatments for cancer, autoimmune diseases, and inflammatory diseases.
Scientists discovered that regulatory T cells can reverse macrophages' role in causing inflammation, allowing tumors to go undetected by the body's natural defenses. This knowledge may lead to new treatments for tumors and could also be applied to block chronic inflammation in conditions like rheumatoid arthritis.
Researchers report that Tregs respond stronger to foreign substances than their own body proteins, contrary to the long-held scientific belief. This finding has implications for emerging therapies targeting autoimmune diseases.
Researchers found that Langerhans cell histiocytosis is associated with the expansion of regulatory T cells, driven by cell survival rather than uncontrolled proliferation. This discovery provides new insights into the underlying mechanisms of the disease.
Researchers have identified a set of genes controlled by Foxp3 that lie at the core of autoimmune disease. The discovery provides an initial map of regulatory T cell circuitry and may help develop new methods for manipulating immune system activity.
Researchers found that regulatory T cells (Treg) are impaired in the absence of WASp, leading to systemic autoimmune disease. However, a spontaneous revertant mutation in a patient's Treg cells improved their function, suggesting that a defect in Treg function contributes to the autoimmunity associated with WASp deficiency.
Researchers found that WASP protein is crucial for regulatory T cells to regulate autoimmunity and prevent tissue damage. In humans, a population of T cells known as regulatory T cells (Treg) are impaired without WASp, leading to autoimmune disease.
Researchers found a process called 'trans-conditioning' influences whether a T cell becomes an effector or regulatory cell. This discovery may lead to new treatments for diseases such as cancer and autoimmune disorders like type I diabetes and arthritis.
Scientists have found a way to create smooth muscle cells from adult stem cells using the soluble factors TGF-beta and PDGFB. This breakthrough could lead to new treatments for heart disease by allowing for the creation of healthy tissue. Additionally, researchers have discovered that regulatory T cell populations are impaired in indiv...
Researchers have found that mast cells play a crucial role in regulating the immune system, particularly in maintaining tolerance to transplanted skin. The study revealed that mast cells mediate immune suppression by interacting with regulatory T cells.
Researchers at Medical College of Georgia have developed a rapid and inexpensive way to produce large quantities of regulatory T cells, which can help restore balance in the immune system. The method uses phospholipase D, a signaling molecule that is sensitive to alcohol, allowing for the selective production of regulatory cells.
Researchers found that regulatory T cells, which function like immune system police, learn what to protect while in the thymus and that everything they learn may not be good. The cells are diverse and able to recognize endogenous tissue and invaders, but also may not learn to recognize all endogenous tissue.
A study led by Associate Professor Barbara Fazekas de St. Groth found that healthy individuals have up to twice the number of disease-fighting regulatory T cells compared to IBD patients. This discovery has significant implications for diagnosing and preventing autoimmune diseases.
Researchers at Scripps Research Institute found that injecting cytokine-antibody complexes stimulates a massive selective increase in T cell response. The study suggests these complexes could be clinically useful for selectively boosting or inhibiting immune responses in vivo, potentially treating autoimmune disease and cancer.
Researchers use two-photon laser-scanning microscopy to observe the interaction between immune cells and dendritic cells in a diabetic mouse model. The study reveals that the interaction between T regulatory cells and dendritic cells is key to preventing autoimmune attacks, providing new potential targets for therapy.
Researchers discovered cross-reactive T cells in patients with infectious mononucleosis, which stimulated excessive lymphocyte proliferation. Meanwhile, selectively killing regulatory T cells improved the efficacy of cancer vaccines by enhancing tumor-specific T cell responses.
Researchers at Duke University Medical Center successfully tested eliminating CD25-expressing regulatory T cells using immunotoxin DAB389IL-2. This strategy improved tumor-specific T cell responses in cancer patients, enhancing vaccine efficacy.
Hassall's corpuscles produce chemical signals that instruct dendritic cells to develop regulatory T cells, which patrol the body for 'bad' T cells. This discovery opens new avenues for exploring regulatory T cells in autoimmune disease and cancer.
A new blood transplant method has shown significant promise in reducing the risk of fatal side effects associated with cancer treatment. The Stanford study found that the therapy successfully boosted regulatory T cells, minimizing graft-versus-host disease without compromising its ability to kill cancerous cells.
Researchers show that CD32 isoforms have differential contributions to dendritic cell activation, with ligation of CD32a inducing maturation and ligation of CD32b inhibiting it. Intravenous immune globulin selectively shifts Fc-gamma receptor expression to a CD32b-dominated profile, explaining its anti-inflammatory properties.
Researchers develop vaccine targeting the local tumor microenvironment to improve systemic anti-tumor immunity in metastatic melanoma patients. The study shows promising results with partial responses and improved survival rates in some patients.
Researchers from Imperial College London identified a population of T cells that can suppress the proliferation of allergen-reactive T cells in vitro. This finding suggests a potential new approach to treating cat allergy, which has become more frequent in industrialized countries.
Researchers at Stanford University School of Medicine developed a technique to eliminate graft-versus-host disease without compromising cancer treatment. In clinical trials, the therapy showed promising results with only one patient developing severe graft-versus-host disease out of 37 treated patients.
Two studies provide critical information on XLP, revealing that SAP regulates T helper cell cytokine production and modulates signaling molecules involved in immune response. Defects in this pathway contribute to XLP's pathology.
The Lag-3 gene controls regulatory T-cell function, which can prevent autoimmune diseases but also inhibit anti-cancer immune attacks. Researchers found that manipulating Lag-3 levels on T cells might prevent autoimmune diseases or amplify immune system attacks on cancer cells.
Researchers have identified a new type of regulatory T cell that reduces airway inflammation and asthma in mice. The discovery sheds light on the characteristics of these cells and their potential role in treating allergies and other immune disorders.
Researchers studied insulitis lesions in genetically engineered mice and discovered that inducible co-stimulator (ICOS) plays a crucial role in keeping insulitis respectful. Blocking ICOS disrupts the balance between T effector and regulatory cells, leading to diabetes progression.
Researchers identified a mechanism preventing immune system destruction of chronic viral infections like herpes and HIV. Regulatory CD4+ T cells suppress normal function of CD8+ T cells in persistently infected mice, allowing virus to evade the immune system.
Researchers have identified c-myc as a key regulator of hormone-dependent prostate cancer cell growth, potentially leading to new treatment targets. Meanwhile, a novel approach using regulatory T cells has shown promise in controlling graft-versus-host disease, while a study on mast cells reveals their role in allergic diarrhea and pot...