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]: Neonatal epileptic encephalopathy caused by mutations in the PNPO gene encoding pyridox(am)ine 5'-phosphate oxidase.
[EX A]: PNPO

[EX Q]: Glucagon-like peptide (GLP)-2 reduces chemotherapy-associated mortality and enhances cell survival in cells expressing a transfected GLP-2 receptor.
[EX A]: GLP-2

[EX Q]: Activation of the anti-cancer agent upamostat by the mARC enzyme system.
[EX A]:
mARC