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  • Title: Decreased prostaglandin production in cultured smooth muscle cells from atherosclerotic rabbit aorta.
    Author: Larrue J, Leroux C, Daret D, Bricaud H.
    Journal: Biochim Biophys Acta; 1982 Mar 12; 710(3):257-63. PubMed ID: 6803840.
    Abstract:
    Prostaglandin synthesis in aortic smooth muscle cells originating from healthy an atherosclerotic rabbits was studied by incubating [14C]arachidonic acid with intact confluent cells and cell homogenates. In spite of a reduced 6-keto prostaglandin F1 alpha formation, no potentiating effect on the prostaglandin E2 generation occurred. Indeed, both cyclooxygenase and prostaglandin I2 synthetase activities appear to be reduced. These results suggest that an impaired arachidonic acid utilisation in aortic smooth muscle cells may be involved in the course of the atherosclerotic process.
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