Evaluación del efecto radioprotector del extracto acuoso de Mangifera indica L (Vimang), en el ensayo de SOS-Chromotest
nº19 [ago - septiembre 2009 ] Retel06/09/2009
Luis Alfredo Rosario Fernández1, Idania Rodeiro1, Eliseo Almeida2, Daniel Francisco Arencibia3, Osney Leyva1, Alena Alonso2, Yanet Rodriguez1
1 Centro de Química Farmacéutica (CQF), Calle 21 esquina a 200, Reparto Atabey, Municipio Playa, Ciudad Habana, Cuba.
2 Centro de Estudios Aplicados al Desarrollo Nuclear (CEADEN), Calle 30 # 502, e/ 5ta y 7ma, Reparto Miramar, Municipio Playa, Ciudad de la Habana, Cuba.
3 Instituto Finlay, Vicepresidencia de Investigaciones, Avenida 17, e/ 198 y 200, Reparto Siboney, Municipio Playa, Ciudad de la Habana, Cuba.
Correspondencia a: Daniel Francisco Arencibia Arrebola,
Email: darencibia@finlay.edu.cu
2 Centro de Estudios Aplicados al Desarrollo Nuclear (CEADEN), Calle 30 # 502, e/ 5ta y 7ma, Reparto Miramar, Municipio Playa, Ciudad de la Habana, Cuba.
3 Instituto Finlay, Vicepresidencia de Investigaciones, Avenida 17, e/ 198 y 200, Reparto Siboney, Municipio Playa, Ciudad de la Habana, Cuba.
Correspondencia a: Daniel Francisco Arencibia Arrebola,
Email: darencibia@finlay.edu.cu
Resumen
Las radiaciones ionizantes se emplean con éxito en el tratamiento contra el cáncer y otras enfermedades. Por ello, existe un creciente interés en desarrollar nuevos productos con carácter radioprotector que disminuyan los efectos adversos de la radioterapia. Los aminotioles (como la amifostina) son los agentes que más se han utilizado con este fin, sin embargo ocasionan severos efectos secundarios. Por esta razón, la tendencia actual se enfoca a la obtención de radioprotectores a partir de fuentes naturales. El producto natural, Vimang, se obtiene a partir de la corteza de Mangifera indica L, el cual constituye un candidato interesante para la evaluación de su carácter radioprotector si se tiene en cuenta que los estudios farmacológicos realizados hasta el momento, corroboran su eficacia como antinflamatorio, analgésico, inmunomodulador y antioxidante, características todas descritas para un radioprotector ideal. El presente trabajo tuvo como objetivo, evaluar el efecto radioprotector del extracto acuoso de M. indica L (Vimang) frente a la radiación gamma, mediante el ensayo bacteriano SOS-Chromotest a una dosis de radiación de 150 Gy. Este ensayo indicó que el extracto no es genótoxico en el rango de concentraciones analizado (50, 250, 500 y 1000 ug/mL); en presencia o no de activación metabólica. Se concluyó que este producto es capaz de proteger la estructura celular a nivel del material nuclear, de los daños inducidos por la radiación gamma a las dosis estudiadas en el ensayo SOS Chromotest.
Palabras clave: Mangifera indica L, radioprotector, cepas, E.coli PQ-37, SOS.
Descargar archivo PDF (135 KB)
Palabras clave: Mangifera indica L, radioprotector, cepas, E.coli PQ-37, SOS.
Descargar archivo PDF (135 KB)
Abstract
Evaluation of the radioprotector effect of the aqueous extract of Mangifera indica L (Vimang), in SOS-Chromotest assays.
The ionizing radiations are use with success in the treatment against the cancer and other illnesses. For it, a growing interest exists in developing new products with radioprotector character that diminish the adverse effects of the radiotherapy. The aminotioles (as the amifostina) they are agents that more they have been used with this purpose; however they cause severe secondary effects. For this reason, the current tendency is focused to obtaining the radioprotector compounds from natural sources. The natural product, Vimang to obtains starting from the bark of Mangifera indica L, it constitutes a interesting candidate for the character radioprotector evaluation if one keeps in mind that the pharmacological studies carried out until the moment, which corroborate their effectiveness like antinflammatory, analgesic, inmunomodulator and antioxidant. Some of the characteristics that have been mentioned by different authors like properties of an ideal radioprotector. The aim of this work is to evaluate the radioprotector effect of the aqueous extract of M. indica L (Vimang), front gamma radiation, by means SOS-Chromotest bacterial assays, to a 150 Gy dose of radiation. This assays indicated that the extract is not genotoxic in the analyzed range of concentrations (50, 250, 500 and 1000 g/mL); in presence or not of metabolic activation. We conclude that this product is able to protect the cellular structure at the nuclear material level, of the damages induced by the gamma radiation to the doses studied in the SOS Chromotest assays.
Key words: Mangifera indica L, radioprotector, strains, E.coli PQ-37, SOS.
Download PDF (135 KB)
The ionizing radiations are use with success in the treatment against the cancer and other illnesses. For it, a growing interest exists in developing new products with radioprotector character that diminish the adverse effects of the radiotherapy. The aminotioles (as the amifostina) they are agents that more they have been used with this purpose; however they cause severe secondary effects. For this reason, the current tendency is focused to obtaining the radioprotector compounds from natural sources. The natural product, Vimang to obtains starting from the bark of Mangifera indica L, it constitutes a interesting candidate for the character radioprotector evaluation if one keeps in mind that the pharmacological studies carried out until the moment, which corroborate their effectiveness like antinflammatory, analgesic, inmunomodulator and antioxidant. Some of the characteristics that have been mentioned by different authors like properties of an ideal radioprotector. The aim of this work is to evaluate the radioprotector effect of the aqueous extract of M. indica L (Vimang), front gamma radiation, by means SOS-Chromotest bacterial assays, to a 150 Gy dose of radiation. This assays indicated that the extract is not genotoxic in the analyzed range of concentrations (50, 250, 500 and 1000 g/mL); in presence or not of metabolic activation. We conclude that this product is able to protect the cellular structure at the nuclear material level, of the damages induced by the gamma radiation to the doses studied in the SOS Chromotest assays.
Key words: Mangifera indica L, radioprotector, strains, E.coli PQ-37, SOS.
Download PDF (135 KB)