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: Valdecoxib: assessment of cyclooxygenase-2 potency and selectivity.

Output: cyclooxygenase-2


Input: Consider Input: The persistent membrane retention of desipramine causes lasting inhibition of norepinephrine transporter function.


Output: norepinephrine transporter