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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

EL AMRANI, Loubna et al. Changes on metabolic parameters induced by acute cannabinoid administration (CBD, THC) in a rat experimental model of nutritional vitamin A deficiency. Nutr. Hosp. [online]. 2013, vol.28, n.3, pp.857-867. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2013.28.3.6430.

Introduction: Vitamin A deficiency can result from malnutrition, malabsorption of vitamin A, impaired vitamin metabolism associated with liver disease, or chronic debilitating diseases like HIV infection or cancer. Background & aims: Cannabis administration has been described as a palliative symptom management therapy in such pathological stages. Therefore, this research aimed to study the effects of acute administration of cannabidiol (CBD) or thetrahydrocannabinol (THC) on the levels of retinol in plasma and in the liver, and biochemical parameters related to lipid and glucose metabolism (cholesterolaemia, triglyceridemia and glycemia) in a rat experimental model of vitamin A deficiency. Methods: The experimental animal model of Vitamin A deficiency was developed during a 50-day experimental period in which rats consumed a vitamin A-free diet. Cannabidiol (10 mg/kg body weight) or thetrahydrocannabinol (5 mg/kg body weight) were administered intraperitoneally 2 hours prior to sacrifice of the animals. Results: The nutritional deficiency caused a significant decrease in plasmatic and liver contents of retinol and biochemical parameters of glycemic, lipidic, and mineral metabolism. Acute intraperitoneal administration of Cannabidiol and thetrahydrocannabinol did not improve the indices of vitamin A status in either control or vitamin A-deficient rats. However, it had a significant effect on specific biochemical parameters such as glucose, triglycerides, and cholesterol. Conclusion: Under our experimental conditions, the reported effects of cannabinoid administration on certain signs of nutritional vitamin A deficiency appeared to be mediated through mechanisms other than changes in retinol metabolism or its mobilization after the acute administration of such compounds.

Palabras clave : Vitamin A deficiency; Cannabinoids; CBD/ THC; Retinol; Retinol binding protein; Lipid metabolism.

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