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B cell |
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B cell![]() B cells, a type of lymphocyte (white blood cell), have an important role in the body's immune system. When a B cell encounters an invading bacterium it starts to divide, forming two different types of cell. One type is a clone of itself that begins to produce antibodies to fight the infection; the other is a memory cell that will persist in the bloodstream, ready to produce antibodies should re-infection occur.
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| Bcl-2 transgenic mice that overexpressed Bcl-2 in T and B lymphocytes had a marked decrease in apoptosis at 72 hours after Y. PDB has previously been shown to stimulate avian B lymphocytes (Scott and Savage 1996). In the July 9 SCmNCE, scientists describe a natural human protein, named B lymphocyte stimulator or BlyS, that triggers the proliferation of these crucial factories of the immune system. |
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