胃泌素与恶性肿瘤朱建伟，陈玉泉正常人体胃泌素（ｇａｓｔｒｉｎ）由胃窦及小肠上段Ｇ细胞和散在于胰腺及胃肠道的某些内分泌细胞分泌，其活性分子形式主要有Ｇ１７和Ｇ３４，分别是１７和３４个氨基酸组成的多肽。胃泌素刺激胃液分泌，营养整个胃肠道粘膜，促进粘膜细胞... Gastrin and malignant tumors Zhu Jianwei, Chen Yuquan Normal gastrin (gastrin) is secreted by gastric antrum and upper small intestine G cells and secreted by certain endocrine cells scattered in the pancreas and gastrointestinal tract. Its active molecular forms mainly include G17 and G34. , are polypeptides consisting of 17 and 34 amino acids, respectively. Gastrin stimulates the secretion of gastric juice, nutrition the entire gastrointestinal mucosa, promotes mucosal cells ...