Member of the neurotrophin growth factor family that binds and activates TrkB and p75 neurotrophin receptors. Enhances the survival, growth and differentiation of neurons. BDNF expression is altered in neurodegenerative disorders such as Parkinson's and Alzheimer's disease.

用作医药中间体，主要用于制备利布丁、安定、艾司唑仑等镇静化合物。

[Des-Tyr1]-Met-Enkephalin 是一种四肽，是脑啡肽的降解产物。