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]: A potent Chk1 inhibitor is selectively cytotoxic in melanomas with high levels of replicative stress.
[EX A]: Chk1

[EX Q]: Evaluation of drug interactions of GSK1292263 (a GPR119 agonist) with statins: from in vitro data to clinical study design.
[EX A]: GPR119

[EX Q]: Discovery of aryl ureas and aryl amides as potent and selective histamine H3 receptor antagonists for the treatment of obesity (Part I).
[EX A]:
histamine H3 receptor