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]: Loss of beta-adrenoceptor response in myocytes overexpressing the Na+/Ca(2+)-exchanger.
[EX A]: beta-adrenoceptor

[EX Q]: Comprehensive review of rasagiline, a second-generation monoamine oxidase inhibitor, for the treatment of Parkinson's disease.
[EX A]: monoamine oxidase

[EX Q]: Effects of the antidepressant/antipanic drug phenelzine on alanine and alanine transaminase in rat brain.
[EX A]:
alanine transaminase