Given the task definition and input, reply with output. 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.

 In order to elucidate the relationship between cell water content and number of glucocorticoid receptors , eleven normal and malignant lymphoid or myelomonocytic cell types originating from mouse , rat and man were investigated .

glucocorticoid receptors