Multiple Choice
Which of the following is incorrect regarding sphingosine 1-phosphate (S1P) and its receptor?
A) It is a lipid that has chemotactic activity.
B) S1P gradients are established in lymph nodes with lowest concentrations in T-cell areas.
C) CD69 upregulates S1P receptor expression on the surface of naive T cells.
D) S1P is synthesized by all cells.
Correct Answer:
Verified
Correct Answer:
Verified
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