A team led by scientists at The Scripps Research Institute (TSRI) has identified a family of tiny RNA molecules that work as powerful regulators of the immune response in mammals. Mice who lack these RNA molecules lose their ...
Jun 30, 2013
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When tumours metastasise, they can block lymphatic vessels, as researchers from ETH Zurich have discovered using a new method. The lymphatic fluid subsequently has to find a new path through the tissue. Such "detours" could ...
May 20, 2013
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(Medical Xpress)—Approximately 90 percent of cancers start within tissues that form the inner linings of various organs. Decades of accumulated genetic mutations can, on occasion, induce cells specialized for growth in ...
May 8, 2013
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The immune system's T cells, while coordinating responses to diseases and vaccines, act like honey bees sharing information about the best honey sources, according to a new study by scientists at UC San Francisco.
Mar 13, 2013
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Immune system B cells play a crucial role in the defence of pathogens; when they detect such an intruder, they produce antibodies that help to combat the enemy. They concurrently and continuously improve these molecules to ...
Mar 11, 2013
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The invasion of cancer cells into the lymph vessels that connect the breast to surrounding lymph nodes is the first step leading to the metastasis, or spread, of cancer throughout the body. Metastasis is the primary cause ...
Sep 10, 2012
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A new study has discovered one more way the human immunodeficiency virus (HIV) exploits the immune system. Not only does HIV infect and destroy CD4-positive helper T cells – which normally direct and support the infection-fighting ...
Aug 1, 2012
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To keep the body safe, the immune system enlists more than one form of protection. A circulating task force of immune system cells monitors the body’s periphery, and sends information back to field command centers — ...
Dec 21, 2011
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A new study shows that removing lymph nodes due to the presence of occult, or microscopic, cancer cells found in the sentinel lymph node – the one closest to the tumor -- has no impact on survival outcomes of women with ...
Jul 26, 2011
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The bacteria that cause Lyme disease, one of the most important emerging diseases in the United States, appear to hide out in the lymph nodes, triggering a significant immune response, but one that is not strong enough to ...
Jun 16, 2011
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