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.

Input: Consider Input:  Number of glucocorticoid receptors in lymphocytes and their sensitivity to hormone action .

Output: glucocorticoid receptors


Input: Consider Input:  Positive and negative regulation of granulopoiesis by endogenous RARalpha .

Output: endogenous RARalpha


Input: Consider Input:  To determine what type of synovial cell was positive for EBS , cryosections of synovial tissues were immunostained with a specific monoclonal anti - estrogen receptor antibody ( anti - ER MAb ) using both immunofluorescence and immunoperoxidase techniques .


Output: estrogen receptor