Titulo:

Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
.

Sumario:

Algunas investigaciones demuestran el potencial genotóxico de ciertos plaguicidas sobre los seres humanos, lo cual, hace necesario el desarrollo de metodologías que permitan evaluar el impacto de dichas sustancias, para alterar el ADN. El ensayo del cometa alcalino es un método económico, rápido y sensible que detecta, principalmente, rompimientos de cadena sencilla y sitios lábiles al-álcali en células individuales. El objetivo del presente estudio fue evaluar el da?o en el ADN, en una población de floricultores y agricultores ocupacionalmente en contacto con plaguicidas y compararlo con un grupo control. Se obtuvieron muestras de sangre periférica de 101 personas, entre trabajadores expuestos e individuos del grupo control. El ensayo del... Ver más

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spelling Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
Assesment of DNA damage in two colombian populations of agricultirist and floriculturist
Algunas investigaciones demuestran el potencial genotóxico de ciertos plaguicidas sobre los seres humanos, lo cual, hace necesario el desarrollo de metodologías que permitan evaluar el impacto de dichas sustancias, para alterar el ADN. El ensayo del cometa alcalino es un método económico, rápido y sensible que detecta, principalmente, rompimientos de cadena sencilla y sitios lábiles al-álcali en células individuales. El objetivo del presente estudio fue evaluar el da?o en el ADN, en una población de floricultores y agricultores ocupacionalmente en contacto con plaguicidas y compararlo con un grupo control. Se obtuvieron muestras de sangre periférica de 101 personas, entre trabajadores expuestos e individuos del grupo control. El ensayo del cometa, se realizó utilizando sangre total y linfocitos aislados, con muestras embebidas en agarosa y puestas sobre una lámina portaobjetos; luego expuestas a una solución de lisis con detergente y, posteriormente, sometidas a una corriente eléctrica, con buffer alcalino. El da?o en el ADN fue evaluado por medición del largo de la cola (migración de ADN) y por la morfología que presentaban los cometas. En los agricultores, el ensayo mostró un incremento significativo (p < 0,001) del da?o en el ADN, comparado con los floricultores y el grupo control; entre estos últimos, no se hallaron diferencias. Los resultados sugieren que el ensayo de cometa puede ser un buen biomarcador de exposición ocupacional a plaguicidas y que puede ser utilizado para este tipo de estudios.
Some research results prove the potential genotoxic activity of pesticides on human beings, which makes the development of methodologies that allow the determination of capacity of these substances to damage the DNA necessary. The comet assay is an economic, rapid and sensitive method that allows to detect, mainly, single strand breaks and alkaly-labil sites in individual cells. The aim of the present study was to evaluate the DNA damage by means of the comet assay in populations engaged in floriculture and agriculture activities, with variable exposure to pesticides, compared with a control group. Peripheral blood samples from a total of 101 individuals were obtained. The comet assay was performed using total peripheral blood as well as isolated lymphocytes. For this procedure the samples were embedded in agarose and set on a microscope slide, exposed to a lyses solution with detergent and finally to electrophoresis with alkaline buffer. Measuring the length of the comet tail (DNA migration) and the morphology of the comets, the DNA damage was estimated. In the exposed farmers, the comet assay revealed a statistically significant increase in DNA damage (P<0.001) versus floriculturists and the control group, but no difference between these later two groups were observed. The results suggest that the comet assay could be a reliable biomarker for occupational exposure to pesticides and that it could also be useful for similar studies.
Muñoz Aristizábal, Andrés Felipe
Genotoxicidad
Ensayo del Cometa
Plaguicidas
Exposición ocupacional
Genotoxicity
Comet assay
Pesticides
Occupational exposure
12
1
Núm. 1 , Año 2009 :Revista U.D.C.A Actualidad & Divulgación Científica. Enero-Junio
Artículo de revista
Journal article
2009-06-30T00:00:00Z
2009-06-30T00:00:00Z
2009-06-30
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Universidad de Ciencias Aplicadas y Ambientales U.D.C.A
Revista U.D.C.A Actualidad & Divulgación Científica
0123-4226
2619-2551
https://revistas.udca.edu.co/index.php/ruadc/article/view/637
10.31910/rudca.v12.n1.2009.637
https://doi.org/10.31910/rudca.v12.n1.2009.637
spa
https://creativecommons.org/licenses/by-nc-sa/4.0/
7
16
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ANDERSON, D.; YU, T.W.; PHILLIPS, B.J.; SCHMEZER, P. 1994. The effect of various antioxidants and other modifying agents on oxygen-radical-generated DNA damage in human lymphocytes in the COMET assay. Mutat. Res. 307(1):261-271.
ANTONUCCI, G.A.; COLUS, IM. 2000. Chromosomal aberrations analysis in a Brazilian population exposed to pesticides. Teratog. Carcinog. Mutag. 20(2):265-272.
BLAIR, A.; CANTOR, K.P.; ZAHM, S.H. 1998. Non-Hodgkin’s lymphoma and agricultural use of the insecticide lindane. Am. J. Ind. Med. 33:82-87.
BLASIAK, J.; JALOSZYNSKI, P.; TRZECIAK, A.; SZYFTER, K. 1999. In vitro studies on the genotoxicity of the organophosphorus insecticide malathion and its two analogues. Mutat. Res. 445(2):275-283.
CARBONELL, E.; PUIG, M.; XAMENA, N.; CREUS, A.; MARCOS, R. 1990. Sister chromatid exchanges in lymphocytes of agricultural workers exposed to pesticides. Mutagenesis. 5(3):403-405.
CLEMENTS, C.; RALPH, S.; PETRAS, M. 1997. Genotoxicity of selected herbicides in Rana catesbiana tadpoles using alkaline single-cell electrophoresis (comet) assay. Environ. Mol. Mutagen. 29(4):277-288.
COMUNIDAD ANDINA CAN. Decisión 436.2002. Manual Técnico Andino para el registro y control de pesticidas químicos de uso agrícola. Lima, Perú: CAN, 296 de Junio de 2002.
DAVIES, H.W.; KENNEDY, S.M.; TESCHKE, K.; QUINTANA, P.J. 1998. Cytogenetic analysis of South Asian berry pickers in British Columbia using the micronucleus assay in peripheral lymphocytes. Mutat. Res. 416(1):101-113.
DE ROOS, A.J.; ZAHM, S.H.; CANTOR, K.P.; WEISENBURGER, D.D.; HOLMES, F.F.; BURMEISTER, L.F.; BLAIR, A. 2003. Integrative assessment of multiple pesticides as risk factors for non-Hodgkin’s lymphoma among men. Occup. Environ. Med. 60:e11.
ELHAJOUJI, A. 2001. Use of the alkaline comet assay for industrial genotoxicity screening. Food Chemical Tox. 39(8):843-858.
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GARAJ-VRHOVAC, V.; ZELJEZIC, D. 1999. Chromosomal aberrations and frecuency of micronuclei in workers employed in pesticides production. Biologia. 54:707-712.
GARAJ-VRHOVAC, V.; ZELJEZIC, D. 2000. Evaluation of DNA damage in workers occupationally exposed to pesticides using single-cell gel electrophoresis (SCGE) assay. Pesticide genotoxicity revealed by comet assay. Mutat. Res. 469(2):279-285.
GARAJ-VRHOVAC, V.; ZELJEZIC, D. 2001. Cytogenetic monitoring of croatian population occupationally exposed to a complex mixture of pesticides. Toxicology. 165(2-3):153-162.
GARAJ-VRHOVAC, V.; ZELJEZIC, D. 2002. Assessment of genome damage in a population of Croatian workers employed in pesticides production by chromosomal aberration analysis, micronucleus assay and comet assay. J. Appl. Tox. 22:248-255.
GÓMEZ, S.; NORIEGA, N.; OSORIO, A.; GALICIA, F.; LING, S.; VILLALOBOS, R. 1992. Sister chromatid exchanges in a rural population of Mexico exposed to pesticides. Mutat. Res. 281:173-179.
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LEBAILLY, P.; VIGREUX, C.; LECHEVREL, C.; LEDEMENEY, D.; GODARD, T.; SICHEL, F.; LETALAER, JY.; HENRY-AMAR, M.; GAUDUCHON, P. 1998. DNA damage in mononuclear leukocytes of farmers measured using the alkaline comet assay: modifications of DNA damage levels after a one-day field spraying period with selected pesticides. Cancer Epidemiol Biomarkers Prev. 7(10):929-940.
LUCERO, L.; PASTOR, S.; SUÁREZ, S.; DURBAN, R.; GÓMEZ, C.; PARRON, T.; CREUS, A.; MARCOS, R. 2000. Cytogenetic biomonitoring of Spanish greenhouse workers exposed to pesticides: micronuclei analysis in peripheral blood lymphocytes and buccal epithelial cells. Mutat. Res. 464:255-262.
MCKELVEY, M.; VALERIE, J. 1998. Emerging applications of the single cell gel electrophoresis (Comet) assay. Mutagenesis. 13(1):1-8.
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title Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
spellingShingle Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
Muñoz Aristizábal, Andrés Felipe
Genotoxicidad
Ensayo del Cometa
Plaguicidas
Exposición ocupacional
Genotoxicity
Comet assay
Pesticides
Occupational exposure
title_short Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
title_full Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
title_fullStr Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
title_full_unstemmed Evaluación del daño en el ADN en dos poblaciones colombianas de agricultores y floricultores
title_sort evaluación del daño en el adn en dos poblaciones colombianas de agricultores y floricultores
title_eng Assesment of DNA damage in two colombian populations of agricultirist and floriculturist
description Algunas investigaciones demuestran el potencial genotóxico de ciertos plaguicidas sobre los seres humanos, lo cual, hace necesario el desarrollo de metodologías que permitan evaluar el impacto de dichas sustancias, para alterar el ADN. El ensayo del cometa alcalino es un método económico, rápido y sensible que detecta, principalmente, rompimientos de cadena sencilla y sitios lábiles al-álcali en células individuales. El objetivo del presente estudio fue evaluar el da?o en el ADN, en una población de floricultores y agricultores ocupacionalmente en contacto con plaguicidas y compararlo con un grupo control. Se obtuvieron muestras de sangre periférica de 101 personas, entre trabajadores expuestos e individuos del grupo control. El ensayo del cometa, se realizó utilizando sangre total y linfocitos aislados, con muestras embebidas en agarosa y puestas sobre una lámina portaobjetos; luego expuestas a una solución de lisis con detergente y, posteriormente, sometidas a una corriente eléctrica, con buffer alcalino. El da?o en el ADN fue evaluado por medición del largo de la cola (migración de ADN) y por la morfología que presentaban los cometas. En los agricultores, el ensayo mostró un incremento significativo (p < 0,001) del da?o en el ADN, comparado con los floricultores y el grupo control; entre estos últimos, no se hallaron diferencias. Los resultados sugieren que el ensayo de cometa puede ser un buen biomarcador de exposición ocupacional a plaguicidas y que puede ser utilizado para este tipo de estudios.
description_eng Some research results prove the potential genotoxic activity of pesticides on human beings, which makes the development of methodologies that allow the determination of capacity of these substances to damage the DNA necessary. The comet assay is an economic, rapid and sensitive method that allows to detect, mainly, single strand breaks and alkaly-labil sites in individual cells. The aim of the present study was to evaluate the DNA damage by means of the comet assay in populations engaged in floriculture and agriculture activities, with variable exposure to pesticides, compared with a control group. Peripheral blood samples from a total of 101 individuals were obtained. The comet assay was performed using total peripheral blood as well as isolated lymphocytes. For this procedure the samples were embedded in agarose and set on a microscope slide, exposed to a lyses solution with detergent and finally to electrophoresis with alkaline buffer. Measuring the length of the comet tail (DNA migration) and the morphology of the comets, the DNA damage was estimated. In the exposed farmers, the comet assay revealed a statistically significant increase in DNA damage (P<0.001) versus floriculturists and the control group, but no difference between these later two groups were observed. The results suggest that the comet assay could be a reliable biomarker for occupational exposure to pesticides and that it could also be useful for similar studies.
author Muñoz Aristizábal, Andrés Felipe
author_facet Muñoz Aristizábal, Andrés Felipe
topicspa_str_mv Genotoxicidad
Ensayo del Cometa
Plaguicidas
Exposición ocupacional
topic Genotoxicidad
Ensayo del Cometa
Plaguicidas
Exposición ocupacional
Genotoxicity
Comet assay
Pesticides
Occupational exposure
topic_facet Genotoxicidad
Ensayo del Cometa
Plaguicidas
Exposición ocupacional
Genotoxicity
Comet assay
Pesticides
Occupational exposure
citationvolume 12
citationissue 1
citationedition Núm. 1 , Año 2009 :Revista U.D.C.A Actualidad & Divulgación Científica. Enero-Junio
publisher Universidad de Ciencias Aplicadas y Ambientales U.D.C.A
ispartofjournal Revista U.D.C.A Actualidad & Divulgación Científica
source https://revistas.udca.edu.co/index.php/ruadc/article/view/637
language spa
format Article
rights https://creativecommons.org/licenses/by-nc-sa/4.0/
info:eu-repo/semantics/openAccess
http://purl.org/coar/access_right/c_abf2
references ÁLVAREZ-MOYA, C.; SANTERRE-LUCAS, A.; ZÚ?IGA-GONZÁLEZ, G.; TORRES-BUGARÍN, O.; PADILLA-CAMBEROS, E.; FERIA-VELASCO. A. 2001. Evaluation of genotoxic activity of maleic hydrazide, ethyl methane sulfonate, and N-nitroso diethylamine in Tradescantia. Salud Publica Mex. 43:563-569.
ANDERSON, D.; YU, T.W.; PHILLIPS, B.J.; SCHMEZER, P. 1994. The effect of various antioxidants and other modifying agents on oxygen-radical-generated DNA damage in human lymphocytes in the COMET assay. Mutat. Res. 307(1):261-271.
ANTONUCCI, G.A.; COLUS, IM. 2000. Chromosomal aberrations analysis in a Brazilian population exposed to pesticides. Teratog. Carcinog. Mutag. 20(2):265-272.
BLAIR, A.; CANTOR, K.P.; ZAHM, S.H. 1998. Non-Hodgkin’s lymphoma and agricultural use of the insecticide lindane. Am. J. Ind. Med. 33:82-87.
BLASIAK, J.; JALOSZYNSKI, P.; TRZECIAK, A.; SZYFTER, K. 1999. In vitro studies on the genotoxicity of the organophosphorus insecticide malathion and its two analogues. Mutat. Res. 445(2):275-283.
CARBONELL, E.; PUIG, M.; XAMENA, N.; CREUS, A.; MARCOS, R. 1990. Sister chromatid exchanges in lymphocytes of agricultural workers exposed to pesticides. Mutagenesis. 5(3):403-405.
CLEMENTS, C.; RALPH, S.; PETRAS, M. 1997. Genotoxicity of selected herbicides in Rana catesbiana tadpoles using alkaline single-cell electrophoresis (comet) assay. Environ. Mol. Mutagen. 29(4):277-288.
COMUNIDAD ANDINA CAN. Decisión 436.2002. Manual Técnico Andino para el registro y control de pesticidas químicos de uso agrícola. Lima, Perú: CAN, 296 de Junio de 2002.
DAVIES, H.W.; KENNEDY, S.M.; TESCHKE, K.; QUINTANA, P.J. 1998. Cytogenetic analysis of South Asian berry pickers in British Columbia using the micronucleus assay in peripheral lymphocytes. Mutat. Res. 416(1):101-113.
DE ROOS, A.J.; ZAHM, S.H.; CANTOR, K.P.; WEISENBURGER, D.D.; HOLMES, F.F.; BURMEISTER, L.F.; BLAIR, A. 2003. Integrative assessment of multiple pesticides as risk factors for non-Hodgkin’s lymphoma among men. Occup. Environ. Med. 60:e11.
ELHAJOUJI, A. 2001. Use of the alkaline comet assay for industrial genotoxicity screening. Food Chemical Tox. 39(8):843-858.
FAIRBAIRN, D.; OLIVE, P.L.; O’NEILL, K.L. 1995. The comet assay: a comprehensive review. Mutat. Res. 339(1):37-59.
GARAJ-VRHOVAC, V.; ZELJEZIC, D. 1999. Chromosomal aberrations and frecuency of micronuclei in workers employed in pesticides production. Biologia. 54:707-712.
GARAJ-VRHOVAC, V.; ZELJEZIC, D. 2000. Evaluation of DNA damage in workers occupationally exposed to pesticides using single-cell gel electrophoresis (SCGE) assay. Pesticide genotoxicity revealed by comet assay. Mutat. Res. 469(2):279-285.
GARAJ-VRHOVAC, V.; ZELJEZIC, D. 2001. Cytogenetic monitoring of croatian population occupationally exposed to a complex mixture of pesticides. Toxicology. 165(2-3):153-162.
GARAJ-VRHOVAC, V.; ZELJEZIC, D. 2002. Assessment of genome damage in a population of Croatian workers employed in pesticides production by chromosomal aberration analysis, micronucleus assay and comet assay. J. Appl. Tox. 22:248-255.
GÓMEZ, S.; NORIEGA, N.; OSORIO, A.; GALICIA, F.; LING, S.; VILLALOBOS, R. 1992. Sister chromatid exchanges in a rural population of Mexico exposed to pesticides. Mutat. Res. 281:173-179.
GÓMEZ-ARROYO, S.; DÍAZ-SANCHEZ, Y.; MENÉSES-PÉREZ, M.A.; VILLALOBOS-PIETRINI, R.; DELEÓN-RODRÍGUEZ, J.D. . Cytogenetic biomonitoring in a Mexican floriculture worker group exposed to pesticides. Mutat. Res. 466:117-124.
GROVER, P.; DANADEVI, K.; MAHBOOB, M.; ROZATI, R.; BANU, S.; RAHMAN, M. 2003. Evaluation of genetic damage in workers employed in pesticide production utilizing the Comet assay. Mutagenesis. 18(2):201-205.
IARC International Agency for Research on Cancer Monographs. 1991. Occupational Exposures in Insecticide Application and Some Pesticides. 53:45-93.
KASSIE, F.; PARZEFALL, W.; KNASMULLER, S. 2000. Single cell gel electrophoresis assay: a new technique for human biomonitoring studies. Mutat. Res. 463:13-31.
LEBAILLY, P.; VIGREUX, C.; LECHEVREL, C.; LEDEMENEY, D.; GODARD, T.; SICHEL, F.; LETALAER, JY.; HENRY-AMAR, M.; GAUDUCHON, P. 1998. DNA damage in mononuclear leukocytes of farmers measured using the alkaline comet assay: modifications of DNA damage levels after a one-day field spraying period with selected pesticides. Cancer Epidemiol Biomarkers Prev. 7(10):929-940.
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publishDate 2009-06-30
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