Articles tagged with T Cell Development
A study found that individuals with the HLA-A*01:01 allele have developed robust T-cell immunity to COVID-19, suggesting a genetic predisposition to severe forms of the disease. The allele is more common in patients with mild or asymptomatic COVID-19.
The USC+CHLA Alpha Clinic will advance clinical trials of new cell and gene therapies, engaging underserved communities and training the workforce that conducts them. This program complements existing efforts to translate discoveries into new therapies for better health outcomes.
A finger-prick blood test developed by Cardiff University researchers can identify individuals most at risk of being reinfected with COVID-19. The test measures T cells that recognize SARS-CoV-2 and shows those with a stronger response are best protected from the virus.
Researchers discovered a rare type of thymocyte cell, known as EADN, which can transform into leukemia in some patients. The discovery could lead to personalized treatments for each person's unique cancer case.
Researchers discovered that the TCF-1 protein enables plasticity in cells across neighborhoods during T cell development, weakening insulation and increasing interactions between adjacent neighborhoods. This finding sheds new light on immunotherapy approaches and could lead to more efficient cancer treatments.
A recent study at Cedars-Sinai Medical Center found that biologic drugs for inflammatory bowel disease may improve the T-cell immune response in patients vaccinated against COVID-19. This could potentially offer protection against severe disease. The study suggests that these treatments may be used to monitor vaccine and booster outcomes.
Researchers have found that gamma delta T cells can be trained to become extreme killers by recognizing abnormal target cells. This discovery has implications for developing novel cellular therapies to treat cancer and infectious diseases.
A new CAR T-cell product targeting CLDN6 showed acceptable safety and early signs of efficacy in a phase I/II clinical trial. The therapy combined with an mRNA vaccine expanded transferred CAR T cells and improved tumor cell killing.
Researchers found that interleukin-2 promotes the development of two subsets of CD8 T cells, one producing IL-2 and the other not, with distinct fates. The IL-2-producing cells develop into immune memory cells with long-term protection, while the non-IL-2-producing cells gain effector traits but lose memory formation.
An international research team discovered a new rare disease caused by a disrupted Helios-dependent epigenetic regulation mechanism, leading to T and B cell defects. The study highlights the importance of Helios in immune homeostasis and suggests potential therapeutic targets for immunodeficiency and malignancy.
Researchers discovered that a lower dose of the first shot, followed by a full-dose booster, significantly improved SARS-CoV-2 vaccine potency in mice. This approach, which involves an extended prime-boost interval, may lead to more robust and durable immune responses.
Eosinophils, a type of white blood cell, play a crucial role in destroying malignant tumors by recruiting T-cells and releasing destructive proteins. The study, published in Cancer Research, reveals that eosinophils combat cancer effectively but require the help of T-cells to do so.
Researchers have developed heat-controllable CAR T cells that can target and destroy cancerous tumors, while preventing relapse. The cells are engineered to produce immunomodulators under photothermal control, increasing their effectiveness against solid tumors.
Researchers assessed effectiveness of T-cell immune response to 11 SARS-CoV-2 variants, identifying HLA gene variants with significantly changed virus peptides. The T-cell COVID-19 Atlas portal (T-CoV) provides a comprehensive resource for understanding the impact of viral mutations on immunity.
T cells play a crucial role in immune response and cancer treatment. Researchers have identified key factors influencing T cell development, which can impact the body's ability to control infections or tumor growth.
Researchers mapped the stages of T-cell development in the human thymus, revealing a high-resolution picture of human T-cell development. This knowledge could lead to insights into diseases like immunodeficiency disorders and leukemia, as well as advancements in immunotherapies like CAR-T therapy.
A new study has shed light on the development of tissue resident surveillance cells, a type of T-cell that protects against external invaders. The research found that regulatory T-cells play a crucial role in generating these cells by promoting the local availability of specific molecules, such as TGF-beta.
Researchers have created a comprehensive map of human thymus cells, identifying over 50 different cell states that change in abundance throughout life. This atlas has the potential to revolutionize our understanding of T cell development and inform new clinical applications, including therapies for immune-related diseases.
Immunologists from The University of Texas at Austin captured a first-ever video of T-cells undergoing assassin-training in the body's safety test. The new imaging technique holds promise for improving human health by better understanding T-cell development and function in autoimmune disorders like Type 1 diabetes.
Researchers discover mTORC1 regulates cell growth and metabolism in developing T cells, favoring development of unconventional T cells. Disrupting mTORC1 leads to metabolic changes, altering T cell fate.
A study by Penn researchers reveals that the 'Icebreaker' protein TCF-1 plays a crucial role in targeting condensed chromatin and regulating genome sequences in T-cell development. This breakthrough has significant implications for developing new therapies using epigenetic drugs to alter T-cell fate.
Researchers at Monash University identified a crucial part of PTPN2's role in early T-cell development, which can contribute to the development of autoimmune disease. Decreased levels of this enzyme lead to pro-inflammatory T-cells that damage body tissues.
A study conducted by Quebec researchers found that genetic mutations of the Armc5 gene disrupt foetal development and compromise immune responses. The protein plays a crucial role in early T-cell activation and adrenal gland biology.
A new quality control mechanism has been discovered in immune T cell development, where a protein complex called LUBAC enables 'quality control' of cells before they are released into the bloodstream. This discovery has significant implications for understanding autoimmune diseases such as type 1 diabetes and multiple sclerosis.
A particular enzyme called DLST in the TCA cycle supports the growth and survival of T-cell leukemia cells. Inhibiting this enzyme's activity can effectively kill these tumor cells.
Scientists developed JEDI T-cells to visualize immune responses and model disease states, enabling targeted cell depletion and advancing immunotherapy in cancer care. This breakthrough has implications for autoimmune diseases and brain malignancies like glioblastoma.
Researchers identified bi-allelic mutations in RORC, essential for IL-17-producing T cells against Candida and IFN-γ-producing T cells against Mycobacterium. This study reveals a new understanding of genetic susceptibility to these infections.
A modified y-retrovirus vector has been found to restore the immune systems of children with X-linked severe combined immunodeficiency, a rare and life-threatening inherited condition. The new approach is equally effective at restoring immunity and may be safer than previous gene therapy methods.
Scientists at the Max Planck Institute re-activated an ancient gene, FOXN4, which led to the development of a fish-like thymus in mice. This finding suggests that the immune system's core organs may have evolved from a common ancestor with jawed fish.
Researchers at the University of Georgia have discovered that small satellite thymuses, or cervical thymi, have two distinct origins and may play a role in the development of T-cells. These cells can produce either helpful or harmful T-cells, highlighting the need for further research into their potential impact on human health.
Researcher Avinash Bhandoola's team discovered the mechanism of action of Hes1, a repressor protein that prevents T cells from defaulting to a myeloid developmental pathway. This knowledge may provide clues about how to stop T-cell leukemias.
Researchers have discovered that innate lymphoid cells and T cells follow a similar development pathway, involving the Notch protein pathway. This finding has implications for understanding inflammatory diseases and could lead to new treatments.
Researchers identify new therapeutic approaches for acute myeloid leukemia (AML), find immune cells defective in Huntington's disease, and discover signaling pathways contributing to muscle weakness in myotonic dystrophy. Targeting C/EBPG and C/EBPA, or normalizing GSK3β activity may help treat these conditions.
Researchers identified a novel anti-leukemia compound, Lenaldekar, that demonstrates effectiveness in eliminating immature zebrafish T-cells and targeting human T-ALL cell lines. The compound showed promise in treating cells from patients with other leukemias, including those resistant to current therapies.
A new study reveals that tonsils can produce T lymphocytes, a critical type of immune cell, contradicting the long-held belief that they only develop in the thymus. The research found five distinct stages of T-cell development in the tonsil, similar to those in the thymus, but with some differences.
Scientists discover Plexin-B1 as a potential therapeutic target for ErbB-2-overexpressing breast cancers, which have high metastatic potential. Additionally, researchers find that blocking the ErbB-2/Plexin-B1 interaction may reduce the risk of metastasis in patients with this type of cancer. In another study, researchers identify a be...
Researchers at Max Planck Institute observe maturation of immune cells in live zebrafish embryos, finding they migrate into and out of thymus multiple times. This process is driven by chemokines alone and is independent of blood circulation.
Researchers have identified a crucial role for TCF-1 in regulating T-cell development, which could lead to improved treatments for immune-suppressed patients. Notch triggers the process of T-cell development and turns on expression of TCF-1, but not itself.
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 tracked three children with DiGeorge Syndrome after thymus tissue transplantation to measure the growth of T-cells and assess receptor diversity. The study found that factors regulating T-cell receptor diversity are a thousand times more common than those treating all T-cells alike.
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.
Scientists have developed a new approach to harness the power of microRNAs (miRNAs) as natural gene repressors for therapeutic purposes. By engineering mouse bone marrow cells to express genes only when miR-181a is downregulated, they were able to create immune cells that could target and destroy cancer cells.
Researchers at the University of Pennsylvania School of Medicine have found that juvenile cells on their way to becoming mature immune cells can develop into either T cells or other blood-cell types. This challenges the currently accepted model of T-cell development, which suggests that these cells are committed to the T-cell path from...
A new study by Dr. Guyden and colleagues reveals that thymic nurse cells regulate T cell development by selecting thymocytes to live or die. The findings suggest that these cells have the capacity to internalize both non-functional and positively selected thymocytes, leading to a revised understanding of their function.
Researchers at Scripps Institute have discovered a new regulatory mechanism for the binding of proteins to membranes through PH domains. IP4, a small soluble molecule, enhances this process, and its inhibition can block T cell maturation and lead to immunodeficiency in animal models.
Scientists have discovered that autoimmunity can be triggered in the thymus if T cells fail to recognize a single protein as self. This finding suggests that effective strategies to treat autoimmune disease should target not only peripheral sites but also the thymus.
Aberrant V(D)J recombination is found to be more common than thought, generating chromosomal abnormalities in human lymphomas. The study estimates that this process results in approximately 10,000 transpositions per day for the average adult.
Notch protein plays a crucial role in directing early T-cell development in the thymus, a small organ under the breastbone near the heart. This study provides new insights into the process, shedding light on how Notch signaling contributes to T-cell differentiation and potentially improving outcomes for transplant patients.
Researchers found that IL-7 increases in response to declining CD4+ cell counts, a hallmark of HIV disease. This cytokine stimulates the thymus and other immune tissues to produce new T-cells, potentially rebuilding the entire T-cell compartment.
Researchers found HIV's impact on T-cell production and its role in the immune system. The study involved measuring daily rates of new T-cell production in HIV-negative adults and those with suppressed virus, revealing a surprising increase in new cell production responsible for increased T-cell counts.
Researchers at UT Southwestern Medical Center have found a way to track thymus function and produced new T-cells in patients with HIV. The discovery could lead to therapies that increase T-cell production and aid in recovery from both HIV and cancer treatments.
Researchers have made progress toward a gene therapy for HIV infection by genetically altering virus-fighting T-cells to recognize and attack HIV-infected cells. The study found that engineered T-cells persisted in the bloodstream for at least 100 days after infusion, proliferating and providing long-term immunity.
William E. Paul, a prominent NIH AIDS researcher, has been awarded the 1998 Abbott Laboratories Award in Clinical and Diagnostic Immunology. He made significant contributions to understanding cytokine biology, T-cell reproduction, and B-cell activation.
Researchers at UC Berkeley and UC San Francisco have developed a diagnostic technique that measures T-cell production rates in patients with AIDS. The study found that potent protease inhibitor treatments can increase T-cell production, suggesting new treatment options for patients.
Researchers at Duke University have made significant advancements in rebuilding the human immune system using thymus transplants. The breakthroughs offer new hope for patients with severe immunodeficiencies and potentially life-threatening illnesses.