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  • Title: [Arachidonate to saturated fatty acid ratio of circulating sterides and phospholipids: can it be risk marker of coronary stenosis? A Tunisian study].
    Author: Nabli N, Slimene M, Bouslama A, Omezzine A, Laradi S, Garcia I, Drai J, Barnier E, Boughzala E, Hammami M, Miled A, Revol A.
    Journal: Ann Biol Clin (Paris); 2001; 59(6):743-9. PubMed ID: 11713019.
    Abstract:
    The prevention and early diagnosis of cardiovascular diseases is a public health priority in Tunisia and actions are undertaken to evaluate biologic marquers in at risk populations. Concentrations of fatty acids in serum phospholipids and sterides have been measured using thin layer chromatography and gaz chromatography of transmethyled derivatives. The study concerned 98 coronarographed patients, presenting (n = 72) or not coronary artery disease (n = 26). The results have been compared to those of a reference population (n = 43) without any cardiac pathology. The mean concentrations of most of sterides fatty acids in coronarographed patients were higher than in controls, except for arachidonic acid which was slightly lower (68 +/- 34 mg/L versus 77 +/- 19,6 mg/L in controls). Considering concentrations of sterides fatty acids in the two subgroups of patients, coronary artery disease was associated with an increase of all these fatty acids, which was statistically significant for palmitate, linoleate and linolenate. Measurements of fatty acids in phospholipids showed a reduction of arachidonic acid in coronarographed patients (76 +/- 36,7 mg/L versus 135 +/- 49,3 mg/L in controls), but without correlation with the severity of the stenosis.
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