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Latest Lymphocyte Stories

2009-02-02 17:21:56

By using OP9-DL1 cells as a support system, researchers can study the differentiation of embryonic stem cells into mature components of the immune system. This month's issue of Cold Spring Harbor Protocols (www.cshprotocols.org/TOCs/toc2_09.dtl) features a set of methods from Juan Carlos Zúñiga-Pflcker's laboratory at the University of Toronto (http://www.immunology.utoronto.ca/faculty/directory/zunigapflucker.htm) detailing "The OP9-DL1 System:...

2009-01-06 13:26:00

Proves significance of AHCC for maintaining a healthy immune system PURCHASE, N.Y., Jan. 6 /PRNewswire/ -- A recently published study in Nutrition and Cancer (60(5), 643-651) by researchers at Kansai Medical University in Osaka, Japan has shown that AHCC (Active Hexose Correlated Compound) enhances immune function by increasing the number of dendritic cells (DCs). DCs are a key part of the immune system responsible for presenting foreign substances to other immune system cells. The study...

2008-12-23 09:06:43

Immune cells implicated in fatal seizures NYU Langone Medical Center scientists and their collaborators at the Scripps Research Institute in La Jolla, Calif., have discovered an unexpected cause for the fatal seizures seen in mice with viral meningitis, an infection of the central nervous system, according to a study published in the journal Nature. The finding may lead to a new way of thinking about how the human immune system responds to viral diseases. The NYU researchers, Michael L....

2008-10-20 21:00:14

Belgian scientists say they've found methylmercury, the main form of mercury found in the blood of marine mammals, might do more harm to seals than thought. Researchers led by Krishna Das of the University of Liege determined methylmercury, or MeHg, harms T-lymphocytes -- key cells in a seal's immune system. Similar results were also found for human lymphocytes. The researchers noted mercury exposure occurs both as a result of man-made pollution, as well as by natural events such as...

2008-07-25 18:00:00

Reducing stress can bolster the immune system in human immunodeficiency virus, or HIV-positive adults, U.S. researchers said. CD4+ T lymphocytes, or CD4 T cells, are the brains of the immune system, coordinating its activity when the body comes under attack. They are also the cells that are attacked by HIV -- the virus slowly eats away at CD4 T cells, weakening the immune system. But the immune systems of HIV/AIDS patients face another enemy as well -- stress, which can accelerate CD4 T...

2008-06-25 09:02:27

By Akins, Elizabeth J Dubey, Purnima Cell-mediated therapy (immunotherapy) for the treatment of cancer is an active area of investigation in animal models and clinical trials. Despite many advances, objective responses to immunotherapy are observed in a small number of cases, for certain tumor types. To better understand differences in outcomes, it is critical to develop assays for tracking effector cell localization and function in situ. The fairly recent use of molecular imaging...

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2008-03-24 11:15:00

Animal study reveals mechanism behind rise in salmonella bacteremia in AIDS patientsNearly half of all HIV-positive African adults who become infected with Salmonella die from what otherwise would be a seven-day bout of diarrhea. Now, UC Davis School of Medicine scientists have discovered how salmonella becomes lethal for AIDS patients. Their findings also implicate a mechanism by which HIV evades the powerful drugs used to treat AIDS."We have found the defect in the immune response that...

2008-01-14 09:55:00

Detailed Images of Fast-Moving T Cells Provide First Experimental Evidence of TheoryResearchers have found a way to selectively block the ability of white blood cells to "crawl" toward the sites of injury and infection when such mobility drives disease, according to a study published today in The Journal of Experimental Medicine. The results suggest a new treatment approach for autoimmune diseases like rheumatoid arthritis, lupus and multiple sclerosis, and for conditions made worse by...

2005-11-15 15:58:59

Using positron emission tomography (PET) imaging, researchers at UCLA's Jonsson Cancer Center were able to observe - in real time - how the immune system initially recognizes cancer and mobilizes to fight the disease. The UCLA study is expected to lead to new ways to test immune-based therapies for cancer and other immune system-related diseases and to monitor human response to cancer treatments much more quickly and without the need for invasive biopsies, said Dr. Owen Witte, a Jonsson...

2005-08-25 11:49:03

Stanford, CA -- Research led by Dr. Anne Mueller at Stanford University School of Medicine demonstrates that successful eradication of Helicobacter may not prevent future aggressive gastric lymphoma since resting B cells are left behind. The paper by Mueller et al., "The role of antigenic drive and tumor-infiltrating accessory cells in the pathogenesis of Helicobacter-induced MALT lymphoma," appears in the September issue of The American Journal of Pathology. Helicobacter pylori, a spiral...


Word of the Day
mundungus
  • A stinking tobacco.
  • Offal; waste animal product; organic matter unfit for consumption.
This word comes from the Spanish 'mondongo,' tripe, entrails.