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.

 These observations suggest that PPAR - gamma agonists play an important role in regulating T cell - mediated immune responses by inducing apoptosis .
PPAR - gamma

 Using unique PcG - specific antisera and triple immunofluorescence , we found that mature resting peripheral T cells expressed BMI - 1 , whereas dividing blasts were EZH2 ( + ) .
BMI - 1

 Down - regulation of MCP - 1 expression and the inhibition of monocyte migration are independent effects of hypoxia that may contribute to the distribution of macrophages within ovarian tumors .

MCP - 1