TASK 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.
PROBLEM: However , in spleen cells in vitro costimulation via the TCR is necessary for optimal IL - 2 gene induction .

SOLUTION: IL - 2

PROBLEM: Breast cancer patients showed significant responses to MuMTV ( 49 % and to MCF - 7 ( 50 % ) , but not to MPMV ( 29 % ) .

SOLUTION: MCF - 7

PROBLEM: The results from the present study indicate that Smad3 , Smad4 , and Smad7 , at least in part , serve as mediators linking TGF - beta1 to transcriptional regulation of IgA switching related gene and regulation of IgA class switching .

SOLUTION:
TGF - beta1