{"title":"冠状动脉病患者血清的氧化修饰","authors":"R Bakalova, A Goudev, Z Zhelev, C Nachev","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Oxidative modifications of blood serum in humans with and without coronary artery disease were investigated. Four parameters were analyzed: the intensity of serum fluorescence, which is indicative of the content of lipofuscine-like lipid peroxidation products; the content of thiobarbituric acid-reactive substances; the lag-phase of serum oxidation by azo-compounds; and the content of lipophilic natural antioxidants--alpha-tocopherol, beta-carotene and ubiquinol-9(10). It was found that coronary artery disease resulted in a significant increase of serum fluorescence and the content of TBARS. The atherogenic disorders in humans with coronary artery disease drastically decreased the lag-phase of serum oxidation in the presence of 2,2'-azo-bis-(2-amidinopropane) dihydrochloride. The oxidative modifications of serum were in close correlation with the balance of natural lipophilic antioxidants in blood serum, i.e. alpha-tocopherol, ubiquinols and beta-carotene. The contents of all antioxidants tested in serum were significantly decreased in patients with coronary artery disease.</p>","PeriodicalId":7035,"journal":{"name":"Acta physiologica et pharmacologica Bulgarica","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Oxidative modifications of blood serum in humans with coronary artery disease.\",\"authors\":\"R Bakalova, A Goudev, Z Zhelev, C Nachev\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Oxidative modifications of blood serum in humans with and without coronary artery disease were investigated. Four parameters were analyzed: the intensity of serum fluorescence, which is indicative of the content of lipofuscine-like lipid peroxidation products; the content of thiobarbituric acid-reactive substances; the lag-phase of serum oxidation by azo-compounds; and the content of lipophilic natural antioxidants--alpha-tocopherol, beta-carotene and ubiquinol-9(10). It was found that coronary artery disease resulted in a significant increase of serum fluorescence and the content of TBARS. The atherogenic disorders in humans with coronary artery disease drastically decreased the lag-phase of serum oxidation in the presence of 2,2'-azo-bis-(2-amidinopropane) dihydrochloride. The oxidative modifications of serum were in close correlation with the balance of natural lipophilic antioxidants in blood serum, i.e. alpha-tocopherol, ubiquinols and beta-carotene. The contents of all antioxidants tested in serum were significantly decreased in patients with coronary artery disease.</p>\",\"PeriodicalId\":7035,\"journal\":{\"name\":\"Acta physiologica et pharmacologica Bulgarica\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta physiologica et pharmacologica Bulgarica\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta physiologica et pharmacologica Bulgarica","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Oxidative modifications of blood serum in humans with coronary artery disease.
Oxidative modifications of blood serum in humans with and without coronary artery disease were investigated. Four parameters were analyzed: the intensity of serum fluorescence, which is indicative of the content of lipofuscine-like lipid peroxidation products; the content of thiobarbituric acid-reactive substances; the lag-phase of serum oxidation by azo-compounds; and the content of lipophilic natural antioxidants--alpha-tocopherol, beta-carotene and ubiquinol-9(10). It was found that coronary artery disease resulted in a significant increase of serum fluorescence and the content of TBARS. The atherogenic disorders in humans with coronary artery disease drastically decreased the lag-phase of serum oxidation in the presence of 2,2'-azo-bis-(2-amidinopropane) dihydrochloride. The oxidative modifications of serum were in close correlation with the balance of natural lipophilic antioxidants in blood serum, i.e. alpha-tocopherol, ubiquinols and beta-carotene. The contents of all antioxidants tested in serum were significantly decreased in patients with coronary artery disease.
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