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.

Example Input:  Taken together , the data indicate that 2 , 2 ' , 4 , 6 , 6 ' - PeCB induces apoptosis in human monocytic cells through a mechanism that is independent of the arylhydrocarbon receptor .
Example Output: arylhydrocarbon receptor

Example Input:  Maturation of DP cortical thymocytes to single - positive ( CD4 ( + ) / CD8 ( - ) or CD8 ( + ) / CD4 ( - ) ) medullar thymocytes correlated with decreased detectability of EZH2 and continued relative absence of BMI - 1 .
Example Output: BMI - 1

Example Input:  The secretion of MCP - 1 protein was significantly increased ( 195 % as compared to the control ) in cells treated with pathological concentrations of homocysteine .
Example Output:
MCP - 1