Plasma factors that determine endothelial cell lipid toxicity in vitro correctly identify women with preeclampsia in early and late pregnancy

被引:11
作者
Arbogast, BW
Leeper, SC
Merrick, RD
Olive, KE
Taylor, RN
机构
[1] UNIV CALIF SAN FRANCISCO, SCH MED, DEPT OBSTET GYNECOL & REPROD SCI, LAB REPROD MOL & DEV BIOL, SAN FRANCISCO, CA 94143 USA
[2] E TENNESSEE STATE UNIV, JAMES H QUILLEN COLL MED, DEPT INTERNAL MED, JOHNSON CITY, TN 37614 USA
基金
美国国家卫生研究院;
关键词
albumin; endothelial cell injury; preeclampsia; triglyceride; very low density lipoproteins;
D O I
10.3109/10641959609009587
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Objective: We proposed that women who develop preeclampsia have a low ratio of ''protective'' toxicity preventing activity (TxPA) to ''toxic'' very low density lipoproteins (VLDL) late in pregnancy. Having confirmed this hypothesis, we then tested whether this low ratio would manifest itself early in the pregnancy of women who develop preeclampsia. Methods: Serially collected plasma from women who developed preeclampsia and from matched controls was assayed blind for TxPA, triglycerides, cholesterol, high-density lipoproteins, albumin, and nonesterified fatty acids (NEFA). Main Outcome Measures: Plasma concentrations of lipids, NEFA, and proteins which bind NEFA (TxPA and albumin) were measured in normal and preeclamptic women. These parameters were formulated prior to data collection because of the low albumin/triglyceride ratios and the elevated NEFA levels reported to occur in preeclampsia. Results: In late pregnancy, TxPA was lower (1.82 +/- 0.63 vs. 2.30 +/- 0.40 g/dL, P = 0.008) and VLDL higher (292 +/- 130 vs. 206 +/- 60 mg/dL, P = 0.013) in preeclamptics than in controls. Discrimination analysis (TxPA and triglyceride), correctly classified 95% of the preeclamptics and 79% of the controls in late pregnancy. The ratio of TxPA to non-TxPA and triglyceride correctly classified 92% of the preeclamptics and 85% of the controls in early pregnancy. Conclusions: The ratio of TxPA to VLDL accurately distinguishes preeclamptic from normal pregnant women, suggesting that both these factors are involved in the development of preeclampsia.
引用
收藏
页码:263 / 279
页数:17
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