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Acta Medica Colombiana
versão impressa ISSN 0120-2448
Resumo
MOLINA DE SALAZAR, Dora Inés. Anti-hypertensive drugs in metabolic syndrome. Acta Med Colomb [online]. 2005, vol.30, n.3, pp.170-173. ISSN 0120-2448.
There are two basic aspects to metabolic syndrome which constitute the pathophysiological basis for its multiple manifestations: insulin resistance and visceral fat adipocytes. Insulin-resistant adipocytes possess all the elements of the reninangiotensin system. These metabolic interactions between the adipocyte's renin-angiotensin system, insulin action and insulin resistance, explain in part the findings relating to a reduced risk of progression to diabetes and the improvement of the insulin-resistance parameters in trials using ACE inhibitors and ARA II (UKPDS, HOPE and MICROHOPE, meta-analyses of ABCD, CAPPP, FACET and UKPDS, LIFE and VALUE). The ARA II may act along two different pathways: via the PPAR-gamma by reducing insulin resistance, dislipidemia and inflammation, and via the angiotensin II pathway by diminishing cell proliferation, hypertension and oxidation.
Palavras-chave : adipocytes; obesity; angiotensin II; AT 1-receptor inhibition; metabolic syndrome.