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  • Title: [Cellular metabolism of sodium and hypertension].
    Author: Cusi D, Colombo R, Pozzoli E, Bianchi G.
    Journal: Ann Ital Med Int; 1989; 4(1):48-61. PubMed ID: 2702018.
    Abstract:
    Essential hypertension develops from interactions between genetic and environmental components. Studies on cell membrane ions (in particular the sodium ion) transport in essential hypertension were originally carried out in order to better understand the roles these two components play in a less complex system than the overall organ system or the single organs involved in blood pressure regulation. The theory supporting this experimental approach is based on the observation that cell membrane function affects all the phenomena involved in blood pressure regulation. Receptor function, hormonal secretion, cell volume regulation, ion transport and ion composition of the cell are all regulated at the cell membrane level. However the problem of the relevance of cellular sodium metabolism in the pathogenesis of essential hypertension and of the interpretation of the many conflicting results has grown in complexity with the growing mass of data published in the literature. At least part of this complexity seems related to methodological problems but part is surely due to real differences among the various populations or subpopulations studied. This review analyzes the main sources of the discrepancies, the different ion transport systems and the end point of the overall transport system as well as the steady state intracellular cation concentration in both genetic animal models of essential hypertension and in man.
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