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:  In vivo responsiveness to glucocorticoid correlated with glucocorticoid receptor content in peripheral blood leukocytes in normal humans .
Example Output: glucocorticoid receptor

Example Input:  Multiple signals required for cyclic AMP - responsive element binding protein ( CREB ) binding protein interaction induced by CD3 / CD28 costimulation .
Example Output: CD3 / CD28

Example Input:  RESULTS : Induction of NF - kappaB DNA binding by the p65 ( RelA ) / p50 heterodimer was observed in response to incubation of Mono Mac 6 cells with SF ( 20 % in culture medium ) from 5 of 8 subjects with RA , 4 of 5 with OA , and none of 3 with undifferentiated seronegative oligoarthritis .
Example Output:
NF - kappaB