Guava and AHF Global Immunity bring low cost AIDS diagnosis to resource-limited countries
...s around the world. "Accurate monitoring of CD4+ T lymphocyte levels in HIV infected individuals is a critical element for the use of anti-retroviral drugs, as it guides physicians in determining when to begin drug treatment and is a key measure of the effectiveness of that therapy," said Henry Chang, executive...Blocking the Odc gene is effective in preventing cancers
...ss of one of the two copies of the Odc gene in a B lymphocyte impairs Myc's ability to stimulate uncontrolled cell division. The team made these findings in E-Myc laboratory models, which overexpress Myc in B cells and are widely used in laboratory studies of cancer. The discovery of the link between Odc and M...Notch signaling molecule important in type 2 immunity
... cells take on a specialized function, such as a T lymphocyte or a nerve cell in organisms ranging from fruitflies to humans. Using mice in which Notch signaling could be induced to turn off in mature T cells, the researchers showed that Notch signaling is an important determinant of whether an organism can mou...Contradictory immune responses explain different therapeutic effects in rheumatoid arthritis
...xcessive amounts of such growth factors, promoting lymphocyte proliferation and keeping alive the immune cells that drive inflammation and perpetuate the autoimmune disease state. The Emory scientists set out to explore differences in immune responses by using their mouse model to study related types of cytoki...Total lymphocyte count can predict HIV progression in children
Total lymphocyte count could be a relatively simple, inexpensive wa...ries most affected by the HIV/AIDS pandemic. Total lymphocyte count is a possible alternative. The World Health Organization (WHO) 2003 guidelines recommend total...JCI table of contents: December 1, 2005
...morphism in P2X5 elicits an allogeneic cytotoxic T lymphocyte response associated with remission of chronic myeloid leukemia AUTHOR CONTACT: Harry Dolstra Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands Phone: 31-24-3619753; Fax: 31-24-3568408; E-mail: h.dolstra@chl.umcn.nl View the PDF...Immunosuppressive drug appears effective in reducing new brain lesions in MS patients
...rated and that are associated with low circulating lymphocyte numbers." Adverse events were observed in six patients, mainly at the beginning of the evaluation period, but they were transient or reversed after dose reduction and no patient interrupted therapy. Neurologic disability was stable, and the relapse ...Mount Sinai expands cutting-edge molecular testing
...) tumor oncology assays, such as tests for certain lymphocyte gene rearrangement which act as diagnostic markers for certain lymphomas and leukemias. These tests and other molecular diagnostics tests performed at Mount Sinai allow physicians to diagnose, treat and monitor diseases but most importantly, improve ...JCI table of contents, April 6, 2006
...h a vigorous immune response in which "cytotoxic T lymphocyte cells" (CTLs) eliminate the virus and provide lifelong protective immune memory, exposure to the same virus in newborn mice stimulates the development of CTLs that "tolerate" the virus, allowing lifelong viral persistence. Now, in a study appearing A...St. Jude unlocks mystery of very aggressive leukemia
...s team guessed that one such factor might be the B lymphocyte stimulating protein IL-7. Normally produced in the bone marrow, IL-7 further enhanced the proliferation of cultured leukemic cells removed from the mice and made the cells resistant to imatinib's growth inhibitory effects. IL-7 binds to receptors on ...Hodgkin disease type is a major determinant of prognosis
...Europe. The study also supported data that HD with lymphocyte predominance had the best prognosis and HD with lymphocytic depletion had the worst. HD is a malignancy of the lymphatic system of the body, which includes lymph nodes and the spleen. Like many cancers, HD comes in multiple morphologies based on cel...Montreal researchers identify defects of immune cells
...ndidiasis in these transgenic mice by preventing T lymphocyte mediated acquired immunity to Candida albicans. The results also showed extensive perturbations in the production of cytokines required for protection against oral candidiasis in the transgenic mice. "These findings regarding the specific immune defe...Researchers demonstrate potential mechanism of food allergy
...n produced by plasma cells (or B-Cells , a type of lymphocyte ), which is designed to control the immune response in extracellular fluids by binding to substances in the body that are recognized as foreign. The study, conducted at the Mount Sinai School of Medicine, New York, showed for the first time that ...BIDMC's Terry Strom, M.D., honored by American Society of Nephrology
...ppressive drugs. Beginning with basic studies of lymphocyte growth and development, Strom identified and characterized T-cell growth factors, produced reagents to block the action of these growth factors, studied them in experimental small animal models, evaluated them in primates, and participated in clinica...Aggressive stem cells might improve transplant outcome
...tem cells receive their "marching orders" as new T lymphocyte warriors against invading bacteria, viruses and ot...plant would successfully restore the recipient's T lymphocyte population: [ http://www.stjude.org/media/0,2561,453_5489_17063,00.html ]). The investigators fou...... Recognition of the tumour antigen determines T lymphocyte behaviour To arrive at their conclusion, the rese...minute), at all stages of development. However, T lymphocyte behaviour varied in antigen-containing tumour; when the tumour stopped growing because of the lympho...Iyengar yoga can promote well-being in women breast cancer survivors
...ess response. The study, entitled Down-regulated lymphocyte NF-?B activation in breast cancer survivors follow...demands of illness and a blood sample to determine lymphocyte NF-?B activation were collected prior to and following the intervention. Results Preliminary fin...JCI table of contents: May 1, 2007
...ed in several OS patients. They found that B and T lymphocyte precursors were arrested in the early stages of development, causing multiple symptoms of human OS. In an independent study, Masaaki Murakami and colleagues from Osaka University discovered a spontaneous R972Q mutation in the Rag1 gene in mice; this ......s of about 15% was observed in the RPS pigs. Lower lymphocyte levels are also indicative of reduced levels of in...according to Ohman, the observed reduction in both lymphocyte density and lymphocyte apoptosis by the Spanish researchers is surprising. Pigs were fed RPS over 1...