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.

Loss of beta-adrenoceptor response in myocytes overexpressing the Na+/Ca(2+)-exchanger.
beta-adrenoceptor

Dominant expression of mRNA for prostaglandin D synthase in leptomeninges, choroid plexus, and oligodendrocytes of the adult rat brain.
prostaglandin D synthase

In vitro metabolism of the 5-hydroxytryptamine1B receptor antagonist elzasonan.

5-hydroxytryptamine1B