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[State of the antioxidant system in premature newborn infants during early postnatal period]. 1989

T K Nabukhotnyĭ, and V V Pavliuk, and V E Markevich, and T V Chepurnaia

The main parameters of the antioxidant system--AOS (glutathione peroxidase, glutathione reductase, superoxide dismutase, ceruloplasmin, estriol, estradiol) were studied in 58 normal full-term infants and in 178 premature infants in the course of the early neonatal period. In the control group, the functioning of the AOS appeared more perfect and was characterized by phasic changes in the course of the first week of life. The premature infants demonstrated functional disorganization of both enzymatic (glutathione in particular) and hormonal components of the system of antiperoxide defence. This circumstance played a substantial part in the development of polysaturated fatty acids deficiency, which determined in turn the modification of the membrane lipid content and selective loss of cell sensitivity to neuro-humoral actions and unbalance in the system of cyclic nucleotides.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007234 Infant, Premature A human infant born before 37 weeks of GESTATION. Neonatal Prematurity,Premature Infants,Preterm Infants,Infant, Preterm,Infants, Premature,Infants, Preterm,Premature Infant,Prematurity, Neonatal,Preterm Infant
D010088 Oxidoreductases The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9) Dehydrogenases,Oxidases,Oxidoreductase,Reductases,Dehydrogenase,Oxidase,Reductase
D002570 Ceruloplasmin A multi-copper blood FERROXIDASE involved in iron and copper homeostasis and inflammation. Caeruloplasmin,Ferroxidase,Ceruloplasmin Ferroxidase,Ceruloplasmin Oxidase,Ferroxidase I,alpha(2)-Ceruloplasmin,Ferroxidase, Ceruloplasmin,Oxidase, Ceruloplasmin
D004958 Estradiol The 17-beta-isomer of estradiol, an aromatized C18 steroid with hydroxyl group at 3-beta- and 17-beta-position. Estradiol-17-beta is the most potent form of mammalian estrogenic steroids. 17 beta-Estradiol,Estradiol-17 beta,Oestradiol,17 beta-Oestradiol,Aerodiol,Delestrogen,Estrace,Estraderm TTS,Estradiol Anhydrous,Estradiol Hemihydrate,Estradiol Hemihydrate, (17 alpha)-Isomer,Estradiol Monohydrate,Estradiol Valerate,Estradiol Valeriante,Estradiol, (+-)-Isomer,Estradiol, (-)-Isomer,Estradiol, (16 alpha,17 alpha)-Isomer,Estradiol, (16 alpha,17 beta)-Isomer,Estradiol, (17-alpha)-Isomer,Estradiol, (8 alpha,17 beta)-(+-)-Isomer,Estradiol, (8 alpha,17 beta)-Isomer,Estradiol, (9 beta,17 alpha)-Isomer,Estradiol, (9 beta,17 beta)-Isomer,Estradiol, Monosodium Salt,Estradiol, Sodium Salt,Estradiol-17 alpha,Estradiol-17beta,Ovocyclin,Progynon-Depot,Progynova,Vivelle,17 beta Estradiol,17 beta Oestradiol,Estradiol 17 alpha,Estradiol 17 beta,Estradiol 17beta,Progynon Depot
D004964 Estriol A hydroxylated metabolite of ESTRADIOL or ESTRONE that has a hydroxyl group at C3, 16-alpha, and 17-beta position. Estriol is a major urinary estrogen. During PREGNANCY, a large amount of estriol is produced by the PLACENTA. Isomers with inversion of the hydroxyl group or groups are called epiestriol. (16alpha,17beta)-Estra-1,3,5(10)-Triene-3,16,17-Triol,(16beta,17beta)-Estra-1,3,5(10)-Triene-3,16,17-Triol,16-alpha-Hydroxy-Estradiol,16alpha,17beta-Estriol,16beta-Hydroxy-Estradiol,Epiestriol,Estra-1,3,5(10)-Triene-3,16beta,17beta-Triol,Ovestin,16 alpha Hydroxy Estradiol,16alpha,17beta Estriol,16beta Hydroxy Estradiol
D005979 Glutathione Peroxidase An enzyme catalyzing the oxidation of 2 moles of GLUTATHIONE in the presence of HYDROGEN PEROXIDE to yield oxidized glutathione and water. Cytosolic Glutathione Peroxidase,Glutathione Lipoperoxidase,Selenoglutathione Peroxidase,Glutathione Peroxidase, Cytosolic,Lipoperoxidase, Glutathione,Peroxidase, Glutathione,Peroxidase, Selenoglutathione
D005980 Glutathione Reductase Catalyzes the oxidation of GLUTATHIONE to GLUTATHIONE DISULFIDE in the presence of NADP+. Deficiency in the enzyme is associated with HEMOLYTIC ANEMIA. Formerly listed as EC 1.6.4.2. Glutathione-Disulfide Reductase,Reductase, Glutathione,Reductase, Glutathione-Disulfide
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000367 Age Factors Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time. Age Reporting,Age Factor,Factor, Age,Factors, Age

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