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.

Q:  Therefore , under appropriate experimental conditions , it was possible to demonstrate cross - reactivity between the antiserum against rat liver glucocorticoid receptor and the 58 - to 62 - A ( Stokes radius ) glucocorticoid receptor from species as diverse as mouse and humans .

A: glucocorticoid receptor
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Q:  Matrix metalloproteinase s ( MMPs ) are a group of enzymes thought to be responsible for both normal connective tissue matrix remodelling and accelerated breakdown associated with tumour development .

A: Matrix metalloproteinase
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Q:  GR complex activation , analyzed by DEAE - cellulose chromatography , was decreased in the patient .

A:
GR complex
****