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 Input:
 Mutation of the HNF3 element significantly reduced promoter activity in HepG2 cells , whereas this element in isolation conferred HNF3beta responsiveness to a heterologous promoter .

Ex Output:
HNF3 element


Ex Input:
 Plasma prolactin in patients with colorectal cancer .

Ex Output:
Plasma prolactin


Ex Input:
 Electromobility shift analysis using oligonucleotides encompassing the proximal , distal , and BED / AP - 1 - binding regions failed to demonstrate selective transactivation after CD2 signaling of LPMC .

Ex Output:

AP - 1