You will be given a definition of a task first, then some input of the task.
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.

 Based on these findings , it is concluded that both receptor types ( cell membrane and cytoplasmic receptors ) are being formed and increased at G1 phase prior to cell proliferation , indicating the importance of G1 phase in immunoregulation .
Output:
cytoplasmic receptors