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:  RESULTS : Although low levels of vIRF - 2 mRNAs can be detected in the HHV - 8 - positive BCBL - 1 tumor cell line , 12 - 0 - tetradecanoylphorbol - 13 - acetate ( TPA ) treatment does not stimulate expression of vIRF - 2 gene together with primary lytic cycle genes .

A: vIRF - 2
****
Q:  Despite their high degree of sequence similarity , all five RFC genes are essential for cell proliferation in S . cerevisiae .

A: RFC genes
****
Q:  Patients in the mucinous cyst group had significantly lower CA 125 cystic fluid levels compared with women with endometriomas and dermoids ( P & lt ; 0 . 05 ) .

A:
CA 125
****