Melanin Concentrating Hormone (MCH), a 19 amino acid cyclic peptide, is largely expressed in the hypothalamus. Melanin Concentrating Hormone is implicated in the control of general arousal and goal-orientated behaviours in mammals, and appears to be a key messenger in the regulation of food intake.

Cys-Asp-Pro-Gly-Tyr-Ile-Gly-Ser-Arg-NH2 是来自层粘连蛋白 B1 链的线性肽，可干扰肿瘤细胞附着和侵入基底膜，并具有抗血管生成作用。

U-83836E (lazaroid ) has neuroprotective activity and anti-tumor activity, inhibits glioma cell proliferation, inhibits tumor necrosis factor and reverses endotoxin-induced shock.