Definition: 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.
Input: RESULTS : TPO enhanced the proliferation of Mo - 7e cells as determined by 3H - thymidine incorporation , whereas TGF - beta1 suppressed baseline cell growth and antagonized the proliferative effect of TPO .
Output:
TGF - beta1