一、神经生长因子的发现40年前,Bucker将鸡胚的一部分切除,移植上一块小鼠肉瘤180组织,移植后不久,发现支配该移植物的鸡胚背根神经节变得粗大,并长入该肿瘤组织.他由此推断,外周神经的发育在一定程度上受周围环境中某种因子的影响.后来 Levi— First, the discovery of nerve growth factor 40 years ago, Bucker part of the excised chicken embryos, transplanted on a mouse sarcoma 180 tissue shortly after transplantation, found that dominate the graft chick embryo dorsal root ganglia become coarse, and long Into the tumor tissue, he concluded that the development of peripheral nerves is to some extent affected by some factor in the surrounding environment, and Levi-