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.

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

Output: human Vitamin D receptor


Input: Consider Input: Reduction of oral ethanol self-administration in rats by monoamine oxidase inhibitors.

Output: monoamine oxidase


Input: Consider Input: The effect of a peripheral block on inflammation-induced prostaglandin E2 and cyclooxygenase expression in rats.


Output: cyclooxygenase