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Memory T cells with naïve T cell traits increase with age and respond to persistent viruses

Nov 7, 2016 12:00:49 AM / by Stacy Matthews Branch, DVM, PhD posted in Cytotoxic T Cells, Memory T Cells, Naive T Cells, stem cell research


Naïve T cells are mature cytotoxic T cells that respond to newly invading pathogens (disease-causing agents). Memory T cells are those that have previously been exposed to a given pathogen, and they can more quickly reproduce and respond than naïve T cells during a first-time exposure. With increasing age, the level of naïve T cells decreases, leading to an increase in vulnerability to new infections.

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