instruction:
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.
question:
Monocyte migration in response to MCP - 1 was also diminished under hypoxic conditions .
answer:
MCP - 1

question:
Thus , unlike Old World primates , cortisol in New World primates has only weak sodium - retaining potency because the aldosterone receptor has a low affinity for cortisol .
answer:
aldosterone receptor

question:
Our results indicate that these hormones may also affect T cell proliferation by inhibiting IL 2 activity .
answer:
IL 2