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Titolo:
Gemfibrozil treatment potentiates oxidative resistance of high-density lipoprotein in hypertriglyceridemic patients
Autore:
Chen, MF; Wang, TD; Yeh, HT; Hsu, HC; Lee, YT;
Indirizzi:
Natl Taiwan Univ Hosp, Dept Internal Med Cardiol, Taipei 100, Taiwan Natl Taiwan Univ Hosp Taipei Taiwan 100 Med Cardiol, Taipei 100, Taiwan
Titolo Testata:
EUROPEAN JOURNAL OF CLINICAL INVESTIGATION
fascicolo: 8, volume: 31, anno: 2001,
pagine: 707 - 713
SICI:
0014-2972(200108)31:8<707:GTPORO>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHOLESTEROL EFFLUX; LIPID HYDROPEROXIDES; SERUM-LIPOPROTEINS; FREE-RADICALS; APOLIPOPROTEIN; HDL; PLASMA; PEROXIDATION; MACROPHAGES; DISEASE;
Keywords:
gemfibrozil; high-density lipoprotein; hypertriglyceridemia; low-density lipoprotein; oxidative kinetics;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Hsu, HC Natl Taiwan Univ Hosp, Dept Internal Med Cardiol, 7 Chung-Shan S Rd, Taipei 100, Taiwan Natl Taiwan Univ Hosp 7 Chung-Shan S Rd Taipei Taiwan 100 Taiwan
Citazione:
M.F. Chen et al., "Gemfibrozil treatment potentiates oxidative resistance of high-density lipoprotein in hypertriglyceridemic patients", EUR J CL IN, 31(8), 2001, pp. 707-713

Abstract

Background Studies suggest that both oxidized low and high density lipoprotein (LDL and HDL) play a role in the pathogenesis of atherosclerosis. Gemfibrozil is widely used and is reported to increase cholesterol of LDL and HDL in hypertriglyceridemic patients. The aim of this study was to investigate the effect of gemfibrozil treatment on the oxidative status of lipoprotein particles in Fredrickson phenotype IV hypertriglyceridemic patients. Methods Twenty-two patients, aged 38-64 years, with fasting plasma triglyceride concentrations between 2.90 and 8.97 mmol L-1, were recruited and were given gemfibrozil 300 mg three times daily for 12 weeks. Venous blood samples were collected before gemfibrozil treatment, after 4, 8, or 12 weeks of treatment, and 4 weeks after termination of treatment, and used to analyse the plasma lipid profile, isolate lipoproteins, and analyse the chemical composition and in vitro oxidation of lipoprotein particles. Results Gemfibrozil treatment resulted in a decrease in plasma total triglyceride levels and the triglyceride content of all lipoproteins. Plasma total cholesterol levels were decreased as a result of a decrease in very low density lipoprotein (VLDL) cholesterol levels. A slight increase in LDL cholesterol levels was observed, whereas the thiobarbituric acid-reactive substances (TBARS) of LDL were decreased and the lag and peak time of LDL to oxidation were unchanged and maximal diene production was decreased. Plasma HDL cholesterol levels, the surface-to-core ratio of HDL particles, and the resistance of HDL to oxidation were increased. Conclusion The decreased TBARS and diene production of LDL, increased HDL cholesterol levels, and increased resistance of HDL to oxidation may, in part, explain why gemfibrozil treatment was found to be generally beneficial in terms of protection against coronary heart disease.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/20 alle ore 17:09:56