T-Cell Multiplication Unexpectedly Delayed After Infection

In a surprising outcome that overturns the conventional wisdom on the body’s immune response to infection, scientists at The Scripps Research Institute have shown that T cells do not begin proliferation until up to three days after infection.Until now, it was generally believed that memory T cells, lymphocytes that recognize pathogens from previous infections, begin cell division at a far earlier point than naïve T cells, fresh cells that respond to new infections.

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Filed under: Immune System / Vaccines on April 11th, 2008