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

Answer: GLP-2


Question: Brugada syndrome without mutation of the cardiac sodium channel gene in a Taiwanese patient.

Answer: cardiac sodium channel


Question: Mutation of Gly721 alters DNA topoisomerase I active site architecture and sensitivity to camptothecin.

Answer:
DNA topoisomerase I