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:  Together , these results suggest that activated human T cells , whether lupus - derived or normal - derived , contain biologically active ERalpha proteins .

A: ERalpha proteins
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Q:  Mouse thymus was used as a source of glucocorticoid receptor from normal CS lymphocytes .

A: glucocorticoid receptor
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Q:  Through primer extension analysis , we found that the transcription of the h2B4 gene initiates at multiple start sites .

A:
h2B4 gene
****