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雌性大鼠发情周期、怀孕、分娩及产褥期的血浆激肽和激肽原水平。

Plasma kinin and kininogen levels in the female rat during the oestrous cycle, pregnancy, parturition and the puerperium.

作者信息

McCormick J T, Senior J

出版信息

Br J Pharmacol. 1974 Feb;50(2):237-41. doi: 10.1111/j.1476-5381.1974.tb08567.x.

Abstract

1 Plasma kininogen concentration of the female rat did not change during the oestrous cycle but increased two-fold during gestation. Plasma kininogen did not change during parturition, rose in the first puerperal day and then rapidly declined to non-pregnant levels.2 Free kinin levels in the blood of non-pregnant female rats were low and inconstant. Free kinin was undetectable in the blood of pregnant rats, but was found in four out of ten parturient rats.3 After administration of the kininase inhibitor dimercaprol (30 mg/kg i.p.), free kinin was present in the blood of six parturient rats. Dimercaprol caused appearance of free kinin in the blood of only one out of six non-pregnant rats.4 It appears that the plasma kinin system is activated to a small degree during parturition.

摘要
  1. 雌性大鼠血浆激肽原浓度在发情周期中无变化,但在妊娠期增加两倍。血浆激肽原在分娩期间无变化,在产后第一天升高,然后迅速降至非妊娠水平。

  2. 未妊娠雌性大鼠血液中的游离激肽水平较低且不稳定。妊娠大鼠血液中未检测到游离激肽,但在十分之四的分娩大鼠中发现了游离激肽。

  3. 给予激肽酶抑制剂二巯丙醇(30毫克/千克腹腔注射)后,六只分娩大鼠的血液中出现了游离激肽。二巯丙醇仅使六只未妊娠大鼠中的一只血液中出现了游离激肽。

  4. 看来血浆激肽系统在分娩期间有轻度激活。

相似文献

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Isolation and characterization of ornitho-kininogen.鸟激肽原的分离与特性鉴定
Eur J Biochem. 1987 Nov 2;168(3):493-501. doi: 10.1111/j.1432-1033.1987.tb13444.x.
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Determination of plasmakinin & kininogen levels in man.人体血浆激肽和激肽原水平的测定。
J Physiol. 1967 Jul;191(2):417-26. doi: 10.1113/jphysiol.1967.sp008259.

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