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.

Ex Input:
 p21ras and calcineurin synergize to regulate the nuclear factor of activated T cells .

Ex Output:
nuclear factor


Ex Input:
 PPARgamma ligands also strongly inhibited SEA - induced Vbeta3 T cell activation in vivo .

Ex Output:
PPARgamma ligands


Ex Input:
 By in situ hybridization , SKAT - 2 expression was found to peak in antigen - stimulated CD4 ( + ) T cells after 2 - 3 days of culture under Th2 but not Th1 biasing conditions .

Ex Output:

SKAT - 2