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.

[EX Q]:  NF kappa b signaling in posthypoxic endothelial cells : relevance to E - selectin expression and neutrophil adhesion .
[EX A]: E - selectin

[EX Q]:  BMI - 1 and EZH2 Polycomb - group ( PcG ) proteins belong to two distinct protein complexes involved in the regulation of hematopoiesis .
[EX A]: BMI - 1

[EX Q]:  These cells were examined for ER mRNA by reverse transcription nested polymerase chain reaction .
[EX A]:
ER mRNA