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  • Title: [Changes in plasma endothelin-1 and lipid peroxidate levels and amount of superoxidate dismutase in red blood cell in patients with pregnancy-induced hypertension].
    Author: Liang X, Lin Y, Cheng Y.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 1996 Apr; 31(4):220-2. PubMed ID: 8758777.
    Abstract:
    OBJECTIVE: To evaluate the role of endothelin (ET-1) and lipid peroxide (LPO) in the pathogenesis of pregnancy-induced hypertension (PIH). METHODS: The plasma concentrations of ET-1, LPO and the amount of superoxide dismutase (SOD) in red blood cell were measured by radioimmunoassay, thiobarbituric acid fluorimetric determination and catechol self-oxidation determination respectively in total 95 women (normal non-pregnant women 15, Late pregnant women 20 and patients with PIH 60). RESULTS: (1) The levels of ET-1, LPO and SOD in normal late pregnant women were significantly higher than those in non-pregnant women (P < 0.01), but the LPO/SOD ratio was not significantly different between the two groups. (2) The levels of plasma ET-1 and LPO/SOD ratio in cases with PIH were markedly higher than those in normal late pregnant women, and it increased with the severity of the disease and returned to the levels of normal late pregnant women within 3-7 days after delivery. (3) There was a positive correlation between ET-1 and LPO/SOD ratio in PIH. CONCLUSIONS: The imbalance of oxidation and antioxidation and endothelial cell injury may play an important role in the pathogenesis of PIH.
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