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Figure 1 | BMC Complementary and Alternative Medicine

Figure 1

From: An orally active immune adjuvant prepared from cones of Pinus sylvestris, enhances the proliferative phase of a primary T cell response

Figure 1

Kinetics of the primary T cell response. In the primary response to antigen, naive T cells undergo a massive proliferative burst of expansion that creates short-lived effector cells. This proliferative phase is then followed by a contraction phase in which the majority (90–95%) of the antigen-specific T cells undergo apoptosis, leaving behind a stable memory population.

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