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]: Regulation of gluconeogenesis by Kruppel-like factor 15.
[EX A]: Kruppel-like

[EX Q]: Pharmacogenomics of gemcitabine metabolism: functional analysis of genetic variants in cytidine deaminase and deoxycytidine kinase.
[EX A]: cytidine deaminase

[EX Q]: Breakdown of Th cell immune responses and steroidogenic CYP11A1 expression in CD4+ T cells in a murine model implanted with B16 melanoma.
[EX A]:
CYP11A1