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.

Input: Consider Input: Antisense oligonucleotides complementary to the 5 ' end of PKC - zeta mRNA sequences significantly reduced the collagen lattice - stimulated alpha2 and MMP - 1 mRNA levels .

Output: MMP - 1

Input: Consider Input: In those patients who before transplantation were serological negative for CMV but had received organs from CMV - IgG positive donors , the incidence of the disease was highest .

Output: CMV - IgG

Input: Consider Input: The more severe the CRF , the more likely that total HDL and HDL2 cholesterol will be low .
Output: HDL2 cholesterol