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胱氨酸氨基肽酶(CAP)(又名催产素酶,加压素酶等)是一种胎盘酶,能使胱氨酸肽如催产素、加压素等降解。其合成可能由催产素本身诱发。本研究对无并发症正常孕妇在妊娠中、晚期作前瞻性酶水平测定。并特别强调对俟后发生高血压者与一直正常的孕妇进行比较。研究对象为初孕妇,凡第一次就诊时有高血压或肾脏疾病史或小于20孕周而血压为140/90mmHg 者均不作为研究对象。经越声波确定胎龄。从孕28周开始固定在医院门诊部作孕期监护,以便密切观察血压和尿液分析。每次就诊时取静脉血样品。起初每二周一次,
Cystine aminopeptidase (CAP) (also known as oxytocin, vasopressin, etc.) is a placental enzyme that can make cystine peptides such as oxytocin and vasopressin degradation. Its synthesis may be induced by oxytocin itself. The study of pregnant women with no complications of normal pregnancy in pregnancy, late for the determination of prospective enzyme levels. Particular emphasis is placed on the comparison of post-nocturnal hypertension with those who have been normal. Subjects were first trimester women who had a history of high blood pressure or kidney disease at their first visit or who had a blood pressure of less than 20 weeks and a blood pressure of 140/90 mm Hg. Through the sound waves to determine gestational age. From 28 weeks pregnant began fixed in the hospital outpatient department for pregnancy monitoring, in order to closely observe the blood pressure and urine analysis. Venous blood samples were taken at each visit. Once every two weeks,