Articles tagged with B Lymphocytes
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A recent study found that B-cell targeted therapy significantly reduced arthritic symptoms in patients, with improvement lasting over a year and sometimes up to three years. The treatment has shown promise in breaking the cycle driving the disease, but further studies are needed to ensure its safety.
Researchers at Mayo Clinic report that B cells and immunoglobulin help reconstitute immunity by promoting T cell development. The team found that administering gamma globulin or B cells can boost T cell numbers and diversity, potentially improving the immune response in patients with AIDS and other immunodeficiency diseases.
Researchers discovered that a viral infection can redirect the immune response away from pancreatic beta cells, reducing autoaggressive CD8 T cells. This approach could lead to new treatments for type 1 diabetes by utilizing proinflammatory cytokines and chemokines produced during viral infections.
Researchers found that a specific protein expressed by the Epstein-Barr virus (EBV) is crucial for tumor cell proliferation and survival in Burkitt's lymphoma. Developing small molecules that target this protein could lead to effective therapies with minimal side effects, offering hope for patients with EBV-associated tumors.
Researchers found that the abnormally active Bcl10 gene drives B cells to become cancerous, suggesting a drug blocking the gene could be effective treatment for MALT lymphoma. The study also showed that mice lacking Bcl10 genes cannot launch an effective antibody response against bacteria.
A new study by Stanford Medicine researchers found that B cells play a significant role in acute kidney rejection, and targeting them may lead to more effective treatment. The study identified three distinct subgroups of acute rejection based on gene-expression profiles, which could help physicians tailor their treatment approaches.
Researchers discovered that SpA, a staph protein, causes B cell suicide in mice. Properly dosed injections of SpA may control immune system over-activity and potentially treat lupus. The study provides a promising lead for future development of B-cell based therapy.
Researchers have identified a promising drug development strategy for lupus by targeting the Tall-1 molecule. Binding studies revealed that a short section of one binding domain on Baff-R holds promise, potentially preventing lupus-like symptoms in mice and people with autoimmune diseases.
Researchers at Rockefeller University reveal a crucial link between the Ezh2 protein and chromatin modifications, enabling the development of a wide range of antibodies. The discovery provides new insights into B cell biology and the immune system.
Researchers found that RGS2-deficient mice developed strongly hypertensive conditions and persistent vessel constriction due to prolonged GPCR signaling. Genetic defects affecting RGS2 function may also contribute to hypertension in humans, according to findings published in the Journal of Clinical Investigation.
Researchers found that B cells and antibodies are essential for controlling the infection in mice. Without them, even low doses of the virus can be deadly. The study's findings may explain why elderly people and those with weakened immunity are more likely to develop serious disease.
Researchers found that fully differentiated blood cells retain their ability to switch identity, challenging the long-held idea of fixed cell types. The discovery has potential applications in replacing damaged cells in blood diseases and neurodegenerative disorders.
Researchers have discovered that autoreactive B cells escape normal controls by proliferating and undergoing somatic hypermutation outside the germinal center, leading to the production of autoantibodies in autoimmune diseases like lupus. The study reveals a new understanding of how B cells contribute to the origins of these diseases.
Researchers at Thomas Jefferson University developed an animal model of chronic lymphocytic leukemia (CLL), a disease characterized by uncontrolled proliferation of white blood cells. The model enables scientists to investigate biochemical and molecular mechanisms underlying the disease and test potential new drugs.
As bodies age, B cells lose potency due to accumulation of antigen-experienced cells. These cells, which were initially effective against previous infections, become less responsive and bind weakly to new pathogens.
The study found that a critical balance exists between T helper cells and regulatory T cells in preventing autoimmunity. Regulatory T cells can suppress the development of autoimmunity in lupus-prone mice, suggesting a potential new approach to treating autoimmune disorders.
A pilot study suggests that continuous administration of GLP-1 can improve insulin sensitivity, b-cell function, and reduce blood glucose levels in patients with type 2 diabetes. The treatment also resulted in weight loss and reduced appetite, with no reported side effects.
Researchers have determined the mechanism that draws immune system's B cells toward T cells, needed to launch an antibody response after exposure to foreign antigen. The discovery highlights the role of chemokine receptors in guiding B cell movement, which may underlie a range of cellular movements in embryonic development.
Researchers from the Whitehead Institute for Biomedical Research have successfully cloned mouse embryos from mature B and T cell nuclei, demonstrating that fully differentiated adult cells can form clones. However, the process is extremely inefficient, and it is more likely that elusive adult stem cells are responsible for cloning.
Researchers monitor epithelial cell plasticity to understand its potential applications in tissue engineering and regenerative medicine. By analyzing individual cells, scientists can gain insights into how tissues adapt and respond to changing conditions.
Researchers identified Dmp1 as a critical tumor suppressor gene that promotes tumorigenesis when mutated, providing new insights into cancer development. The study found that even one defective copy of the Dmp1 gene is sufficient to drive lymphoma progression in cells with normal p53 status.
Researchers have developed a method to 'censor' self-specific B cells, which can help treat autoimmune diseases. This approach may lead to more effective treatments for conditions such as rheumatoid arthritis and lupus.
Researchers at UCSD have discovered a new immunological pathway involving the enzyme I-kappa-B kinase alpha (IKKa), which plays a crucial role in developing B cells and forming certain lymphoid organs. Blocking IKKa's action may offer a new approach to treating autoimmune diseases without compromising the immune system.
Researchers found that HIV-induced changes in B cells lead to dysfunctional antibody production and increased risk of cancer. The study provides a key tool to investigate how HIV causes B-cell malfunction and may lead to the development of new treatments for HIV-infected individuals.
A team of scientists has discovered that a lack of the B cell linker protein (BLNK) is responsible for an immunodeficiency in mice and a young man with recurring bacterial infections. The study reveals that BLNK plays a crucial role in B lymphocyte development, leading to impaired immune function.
Researchers found exposure to certain environmental factors that affect the immune system can decrease a person's risk of developing non-Hodgkin's lymphoma. Factors associated with increased risk include a history of splenectomy, gonorrhea, and polio, while decreased risks were linked to allergies, bee stings, and certain medications.
The discovery of BLyS, a natural component of the immune system, holds promise for treating immune deficiency disorders, enhancing vaccine effectiveness, and targeting certain types of leukemia and lymphoma. The substance stimulates B cell growth and antibody production, addressing a long-standing puzzle about monocytes' role in the im...
Northwestern University researchers have identified key peptides that can halt and even reverse kidney disease in lupus. The peptides were found to be effective in delaying the onset of severe kidney disease in young mice and prolonging survival in adult mice with established kidney disease.
Researchers found that the immune system targets unwanted invaders by introducing mutations in genetic material, increasing antibody diversity. The study identifies Pms2 enzyme as key player in hypermutation process, which may contribute to cancer growth.
Researchers investigated the role of Btk in B cell development and found it essential for choosing which B cells launch an attack against invading bacteria. Additionally, Btk plays a crucial role in telling B cells not to react to autoantigens, preventing autoimmune diseases like rheumatoid arthritis and diabetes.
Researchers at Oregon Health Sciences University have found that HIV infection of endothelial cells leads to the development of cancerous B-cells in AIDS patients. The virus disrupts normal signaling mechanisms, causing an increased number of adhesion molecules to form and support the growth of malignant cells.
Researchers at University of Maryland School of Medicine discovered that mature B cells can reactivate genetic machinery to produce novel antibodies in response to antigens. This antigen-driven process enables the immune system to adapt and respond more effectively to threats, potentially leading to faster recovery for cancer patients.
Researchers at Johns Hopkins Medicine found a connection between viral infections and immune system B cells producing immunoglobin E, a protein that causes allergic reactions. The study suggests that vaccinating children against mild childhood viral diseases could reduce the incidence of asthma and allergies.
Researchers at the University of Maryland School Medicine discovered that mature B cells can re-activate V(D)J recombination, allowing them to produce different antibodies and adapt to new antigens. This finding may help scientists better understand and control the immune system's response to infections.