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ISSN 1561-2988 (Impreso)

2011, Número 3

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Rev Cubana Farm 2011; 45 (3)


Cannabinoides y su posible uso en el glaucoma

Zozaya AB, Medina RI, Tamayo PN

Idioma: Español
Referencias bibliográficas: 34
Paginas: 439-448
Archivo PDF: 165.35 Kb.


RESUMEN

Aunque la planta Cannabis sativa ha sido empleada desde la más remota antigüedad con fines medicinales, uno de sus derivados, la marihuana, se ha convertido en la droga de uso ilegal más consumida en el mundo. Asimismo tanto el Cannabis como sus cannabinoides se emplean como terapéutico en pocas enfermedades generalmente neurológicas. Se realizó una revisión bibliográfica para exponer el posible uso de los cannabinoides en la terapéutica del glaucoma. Para ello se tuvo en cuenta la literatura disponible sobre el tema, durante el período enero a septiembre de 2010. Se ha comprobado el efecto hipotensor ocular de los cannabinoides al disminuir la producción de humor acuoso, y aumentar la excreción de humor acuoso a través de la malla trabecular y la vía uveoescleral, efecto compatible con el hallazgo de elevadas concentraciones de receptores de cannabinoides rCB1 y rCB2; además, el tetrahidrocannabinol ha demostrado disminuir el efecto neurodegenerativo en modelos de isquemia cerebral en ratas y se evidenció también el efecto beneficioso de los cannabinoides al disminuir la degeneración secundaria asociada al glaucoma mediada por la excitotoxicidad del glutamato. Estos hallazgos sobre el efecto beneficioso de los cannabinoides como hipotensores oculares y por su efecto neuroprotector, transmiten un mensaje esperanzador sobre la función que estos podrían desempeñar en el campo del glaucoma, aunque para mayor seguridad y eficacia serían necesarios ensayos clínicos encaminados a valorar su aplicabilidad en la práctica clínica diaria.


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