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:  This hypercortisolemia in the absence of clinical effects suggests a state of hormone resistance and could be mediated by alterations in the glucocorticoid receptor .

Output: glucocorticoid receptor


Input: Consider Input:  The activation of this signaling pathway requires functional CD4 receptors and is independent of binding to CXCR4 .

Output: CD4 receptors


Input: Consider Input:  HLA - DQ tetramers identify epitope - specific T cells in peripheral blood of herpes simplex virus type 2 - infected individuals : direct detection of immunodominant antigen - responsive cells .


Output: HLA - DQ