instruction:
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.
question:
 METHODS : Activation of NF kappa B was determined by western blot assessment and electrophoretic mobility shift assay in nuclear extracts of colonic biopsy samples as well as lamina propria mononuclear cells .
answer:
NF kappa B


question:
 The mechanism of reducing NO production resulting from inhaled NO may involve , in part , the activities of reactive oxygen species and / or nuclear factor - kappaB .
answer:
nuclear factor


question:
 Phosphorylation was not associated with the induction of cAMP , and inhibition of PKA signaling had no effect on P - CREB .
answer:

P - CREB