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.

Antisera were obtained following immunization of New Zealand White rabbits with [ 3H ] triamcinolone acetonide [ ( 3H ] TA ) - glucocorticoid receptor complexes partially purified by two - stage DNA - cellulose chromatography .
glucocorticoid receptor