Rhodes J A, Tam J P, Finke U, Saunders M, Bernanke J, Silen W, Murphy R A
Proc Natl Acad Sci U S A. 1986 Jun;83(11):3844-6. doi: 10.1073/pnas.83.11.3844.
Transforming growth factor alpha (TGF-alpha), a protein secreted by transformed cells and related to epidermal growth factor (EGF), was tested for its effects on gastric acid secretion. Guinea pig gastric mucosae were mounted in Ussing chambers and the rate of acid release was monitored by the pH-stat method. When administered prior to the secretagogue, TGF-alpha prevented the histamine-induced increase in the rate of acid secretion. Similarly, TGF-alpha caused a decrease in the rate of acid release in tissues that had already been stimulated with histamine. These data show that TGF-alpha inhibits gastric acid secretion in a manner similar to EGF and that the two growth factors share at least one physiological action unrelated to their mitogenic properties.
转化生长因子α(TGF-α)是一种由转化细胞分泌的、与表皮生长因子(EGF)相关的蛋白质,对其胃酸分泌作用进行了测试。将豚鼠胃黏膜安装在尤斯灌流小室中,采用pH计法监测酸释放速率。在给予促分泌剂之前给予TGF-α,可阻止组胺诱导的胃酸分泌速率增加。同样,TGF-α可使已用组胺刺激过的组织中的酸释放速率降低。这些数据表明,TGF-α以类似于EGF的方式抑制胃酸分泌,并且这两种生长因子至少共享一种与其促有丝分裂特性无关的生理作用。