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S1P1 receptor is upregulated by naïve T cells and B cells after 12–18 hours if t

barry

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S1P1 receptor is upregulated by naïve T cells and B cells after 12–18 hours if t

S1P1 receptor is upregulated by naïve T cells and B cells after 12–18 hours if they fail to encounter antigen in the lymph node. This means all of the following EXCEPT:

A.   the naïve cells have not been activated.
B.   the naïve cells have not encountered antigen.
C.   the naïve cells will exit the lymph node.
D.   space will be made for other cells to enter the lymph node.
E.   the naïve cells will die by apoptosis.

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barry Author

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