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Additional
Helper T cells
English Wikipedia - The Free Encyclopedia
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T helper cell
The
T helper cells
(
T
h
cells
) are a type of
T cell
that play an important role in the
immune system
, particularly in the
adaptive immune system
. They help the activity of other immune cells by releasing T cell
cytokines
. These cells help suppress or regulate immune responses. They are essential in
B cell
antibody class switching
, in the activation and growth of
cytotoxic T cells
, and in maximizing
bactericidal
activity of
phagocytes
such as
macrophages
.
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