Changes in plasma levels of lipid peroxide and vitamin E during pregnancy. 1991

H Iioka, and S Akada, and H Hisanaga, and T Shimamoto, and Y Yamada, and I S Moriyama, and M Ichijo
Department of Obstetrics and Gynaecology, Nara Medical University, Japan.

The present study was undertaken in order to determine the changes in blood levels of lipid peroxide and vitamin E during pregnancy. 1. The man plasma level of lipid peroxide was 0.89 +/- 0.13 nmole/ml for non-pregnant women, while in pregnant women it was increased as the progressed pregnancy reaching 2.71 +/- 0.29 nmole/ml at full term. 2. The mean plasma, red cell and platelet levels of vitamin E were 6.6 +/- 0.9 micrograms/ml, 3.55 +/- 0.38 micrograms/ml packed cell and 99 +/- 25 micrograms/g protein for non-pregnant women, while in pregnant women the levels changed as the progressed pregnancy becoming 15.5 +/- 0.9 micrograms/ml, 2.43 +/- 0.24 micrograms/ml packed cell, and 244 +/- 19 micrograms/g protein at full term. It was shown in this study that during pregnancy the plasma level of lipid peroxide increased while the levels of vitamin E which inhibited the formation of lipid peroxide, increased in plasma and platelets, but decreased in red cells.

UI MeSH Term Description Entries
D008054 Lipid Peroxides Peroxides produced in the presence of a free radical by the oxidation of unsaturated fatty acids in the cell in the presence of molecular oxygen. The formation of lipid peroxides results in the destruction of the original lipid leading to the loss of integrity of the membranes. They therefore cause a variety of toxic effects in vivo and their formation is considered a pathological process in biological systems. Their formation can be inhibited by antioxidants, such as vitamin E, structural separation or low oxygen tension. Fatty Acid Hydroperoxide,Lipid Peroxide,Lipoperoxide,Fatty Acid Hydroperoxides,Lipid Hydroperoxide,Lipoperoxides,Acid Hydroperoxide, Fatty,Acid Hydroperoxides, Fatty,Hydroperoxide, Fatty Acid,Hydroperoxide, Lipid,Hydroperoxides, Fatty Acid,Peroxide, Lipid,Peroxides, Lipid
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014810 Vitamin E A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.

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