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本文根据胆囊收缩素(CCK)在生理浓度下可刺激离体胰腺泡分泌淀粉酶的特性,来测定血浆CCK浓度。此方法不受血浆中胃泌素的干扰,可反映全部有生物活性的CCK分子,灵敏度为0.86pmol/L CCK-8当量。本文对11例正常人空腹及餐后血浆CCK浓度进行了测定。
In this paper, the determination of plasma CCK concentration is based on the characteristic of cholecystokinin (CCK) that stimulates the secretion of amylase from isolated pancreatic vesicles at physiological concentrations. This method is not subject to the interference of gastrin in plasma and can reflect all the biologically active CCK molecules with a sensitivity of 0.86 pmol / L CCK-8 equivalent. In this paper, 11 cases of normal fasting and postprandial plasma CCK concentrations were determined.