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Anales de la Facultad de Medicina

versión On-line ISSN 2301-1254

Resumen

MARCO, Marta et al. Gelatinases as Markers of Chronic Alcohol Consumption: A Pilot Study in Uruguay. Anfamed [online]. 2020, vol.7, n.1, e204.  Epub 01-Jun-2020. ISSN 2301-1254.  https://doi.org/10.25184/anfamed2020v7n1a3.

Chronic alcohol consumption in Uruguay is a growing problem, however, determinations of consensual biomarker are not performed systematically neither potential markers are explored. To validate the hypothesis that matrix metalloproteinases with gelatinase activity are biomarkers of chronic alcohol consumption, blood samples of 100 alcoholics that began medical treatment at the Unidad de Trastornos Relacionados con el Alcohol and 50 healthy non-alcoholic donors were evaluated. Alcoholic samples showed gelatinase activity that tripled that of controls and small but significant increases in levels of γ-glutamyl transferase, aspartate-aminotransferase and mean cellular volume. Carbohydrate deficient transferrin values were lower in alcoholics than in controls. These results allow proposing gelatinases as the most sensitive indicators of sustained alcohol consumption in the population analyzed since hepatic enzymes and mean cellular volume showed a tendency consistent with the literature but did not reach values associated with the pathology. Since carbohydrate-deficient transferrin is considered the most sensitive and specific indirect biomarker of chronic alcohol consumption, lower values in alcoholics related to controls suggest methodological problems that could be solved by applying other measurement techniques or by the presence of yet unknown interferences. Finally, these findings justify an extension of this pilot work, as well as additional studies focused on the participation of matrix metalloproteinases with gelatinase activity in the cascades of damage associated with chronic alcohol consumption.

Palabras clave : Chronic Alcoholism; Indirect Biomarkers; Gelatinases.

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