TASK DEFINITION: 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.
PROBLEM: Reduction of oral ethanol self-administration in rats by monoamine oxidase inhibitors.

SOLUTION: monoamine oxidase

PROBLEM: Captopril directly inhibits matrix metalloproteinase-2 activity in continuous ambulatory peritoneal dialysis therapy.

SOLUTION: matrix metalloproteinase-2

PROBLEM: Transgenic expression of the human Vitamin D receptor (hVDR) in the duodenum of VDR-null mice attenuates the age-dependent decline in calcium absorption.

SOLUTION:
human Vitamin D receptor