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:  We have also detected a DNA - protein interaction that may be involved in the cell - type specificity of immunoglobulin expression , and we have determined that a sequence upstream of the octamer participates in an interaction with a nuclear protein ( s ) .

A: nuclear protein
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Q:  The inactivation of glucocorticoid receptors that occurs when cytosol from normal IM - 9 cells is incubated at 25 degrees C is inhibited by molybdate , vanadate , fluoride , ATP , and several other nucleotides .

A: glucocorticoid receptors
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Q:  Increased activation of NF kappa B was detected in lamina propria mononuclear cells from patients with active IBD .

A:
NF kappa B
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