Neuromedin U,a 23-amino acid brain-gut peptide, regulates several important physiological functions through its cognate receptor NMUR2 in the central nervous system, including energy balance, stress response, and nociception.

Sempervirine nitrate , a specific molecular inhibitor of Mdm2, to MEF cells abrogated Period 2 ubiquitination leading to the accumulation of a stable pool of Period 2.

Apelin-12 是多肽中最有效的 C 端片段之一，对孤儿受体 APJ 受体具有很高的亲和力。Apelin-12 参与体液平衡的调节和摄食的中枢控制。Apelin-12 阻断HIV-1通过 APJ 受体进入。Apelin-12 具有神经保护作用。