In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

[Q]:  Terminally differentiated skin mast cells also failed to up - modulate their ICAM - 3 , suggesting the requirement for some degree of immaturity for the process .
[A]: ICAM - 3


[Q]:  Treatment of lymphocytes with cytochalasin D , which blocks actin polymerization , inhibited cap formation and produced defects in signaling and IL - 2 transcriptional induction in response to antigen - receptor signaling that were nearly identical to those seen in vav - / - cells .
[A]: IL - 2


[Q]:  The objective of the present study was to investigate the effect of homocysteine on MCP - 1 production in endothelial cells .
[A]:
MCP - 1