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Changes in cholesteryl ester transfer protein activity during normal gestation and postpartum

Título : Changes in cholesteryl ester transfer protein activity during normal gestation and postpartum
Autor : Iglesias, Ángel
Montelongo, Adela
Herrera Castillón, Emilio.
Lasunción, Miguel Ángel.
Materias: Cholesteryl ester transfer protein.Gestation.Lipoproteins.VLDL.HDL.
Resumen : Cholesteryl ester transfer protein (CETP) activity was measured in a d > 1.21 kg/L plasma fraction collected from healthy women at different times during gestation, postpartum, and in control women. CETP activity was highest in the second trimester of gestation, declined at the third trimester, and was lowest at postpartum. Only the value at the second trimester was significantly different from that of control women. This trend differed from that of circulating lipoproteins: very low-density lipoprotein (VLDL)-lipids, including triglycerides and cholesterol, increased progressively from the first to the third trimester, and then declined at postpartum. Low-density lipoprotein (LDL)cholesterol levels, like VLDL levels, rose during gestation but then remained elevated at postpartum. High-density lipoprotein (HDL)-cholesterol as well as HDL-phospholipids and apolipoprotein A-1, peaked in the second trimester, remaining elevated in the third trimester and then fell at postpartum. Finally, HDL-triglyceride increased markedly from the first to the second trimester, rose somewhat higher during the third trimester, and declined at postpartum. When all the samples from pregnant women were considered together, CETP activity correlated significantly with HDL-triglyceride levels and the changes in CETP activity during gestation and postpartum paralleled those of the HDL-triglyceride/VLDL-triglyceride ratio. These results suggest that CETP contributes to the exaggerated accumulation of triglycerides in HDL that begins in the second trimester of human gestation.
Descripción : En: Clinical biochemistry. 1994. n. 27 : 63-68 p. 0009-9120
URI : http://hdl.handle.net/10637/1025
Derechos: http://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
Fecha de publicación : 19-sep-2011
Centro : Universidad San Pablo-CEU
Aparece en las colecciones: Facultad de Farmacia





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