胆囊收缩素(Cholecytokinin,CCK)是一种多肽激素。Mutt和Jorpes(1971)首先由猪胃肠道分离出来的是含33个氨基酸,从历史看,Okada(1914—15)发现酸化狗小肠导致胆囊胆汁的排出和肝胆汁的分泌增加,就猜测有CCK的存在。IVy和Oldkerg(1928)报告小肠上段释放一种物质使胆囊收缩,建议命名为胆囊收缩素。另一方面,Harper等(1941—43)证明猪小肠组织内含有一种激素,它与胰泌素不同,但能刺激 Cholecytokinin (CCK) is a polypeptide hormone. Mutt and Jorpes (1971) first isolated from porcine gastrointestinal tract is 33 amino acids, from a historical point of view, Okada (1914-15) found that the acidified dog’s intestine led to the gallbladder bile excretion and increased secretion of liver bile, it is suspected The existence of CCK. IVy and Oldkerg (1928) reported that the upper small intestine to release a substance to the gallbladder contraction, it is recommended that the named cholecystokinin. On the other hand, Harper et al. (1941-43) demonstrated that porcine intestinal tissue contains a hormone that is different from that of secretin but stimulates