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:  Thymocytes and T cells from IkappaBalpha ( DeltaN ) transgenic mice expressed normal levels of IL - 2R subunits .
Example Output: IL - 2R

Example Input:  Thus , IL - 6 promotes CD4 + Th2 differentiation and inhibits Th1 differentiation by two independent molecular mechanisms .
Example Output: IL - 6

Example Input:  Furthermore , in our hands , glucocorticoid receptor levels correlate with the duration of complete remission in ALL ( though not in other forms of leukemia ) .
Example Output:
glucocorticoid receptor