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:
DNA damage plays a crucial role in these immunomodulatory effects of ultraviolet B , as impaired repair of ultraviolet - B - induced DNA damage has been shown to cause suppression of cellular immunity .

Ex Output:
- B

Ex Input:
We have used the leukocyte migration inhibition ( LMI ) response to assay the response to several potential breast cancer - related antigens , including MuMTV , MPMV , and a breast cancer cultured cell line , MCF - 7 , in 96 breast cancer patients , in 32 women with benign breast disease , and in 67 normal women .

Ex Output:
MCF - 7

Ex Input:
We show in this study , using TCF - 1 beta ( 2 ) - microglobulin double - deficient mice , that these repertoire alterations are not due to Ly - 49 / MHC class I interactions .

Ex Output:
TCF - 1