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Evaluación de riesgo de cáncer en personas expuestas ocupacionalmente a solventes orgánicos
Cancer risk evaluation in individuals occupationally exposed to organic solvents
DOI:
https://doi.org/10.15446/rsap.v22n3.80224Palabras clave:
Solventes, micronúcleos , genes, cáncer, predisposición genética a la enfermedad (es)Solvents , micronuclei, cancer, genetic predisposition to disease (en)
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Objetivo Evaluar la frecuencia de micronúcleos (MN) e influencia de los polimorfismos en los genes del metabolismo GSTM1 y GSTT1 como biomarcadores de riesgo de cáncer en pintores de carros (n=152) con respecto a individuos no expuestos (n=152).
Métodos Estudio Epidemiológico Molecular, tipo Corte Transversal analítico, interacción gen-ambiente. La evaluación de MNs y polimorfismos genéticos se determinó con pruebas moleculares en linfocitos de los individuos objeto de estudio.
Resultados Se determinó que la frecuencia de MNs es 1.6 más alta en el grupo expuesto con relación al grupo referente (1.39±0.92 versus 0,87±0.78, p<0,0001). No se determinó un incremento en la frecuencia de MNs asociado a los polimorfismos en GSTM1 y GSTT1.
Conclusiones El incremento de MNs en pintores de carros sirve para alertar al incremento de riesgo de cáncer en esta población expuesta a solventes orgánicos. Estos resultados pueden servir en Programas de Vigilancia Epidemiológica Ocupacional, como estrategia de prevención y en otros países con un amplio sector informal de individuos expuestos a estos químicos para reducir el riesgo de cáncer.
Objective To evaluate the frequency of micronuclei (MNs) and influence of GSTM1 and GSTT1 gene polymorphisms as biomarkers of cancer risk in car painters (n=152) compared to unexposed individuals (n=152).
Methods Molecular epidemiology study, cross-sectional analysis of gen and environment interaction. The evaluation of MN and genetic polymorphisms was determined by molecular tests in lymphocytes from subjects involved in the study.
Results It was determined that the frequency of MNs is 1.6 higher in the exposed group compared to the reference group (1.39 ± 0.92 versus 0.87 ± 0.78, p<0.0001). There was no increase in the frequency of MNs associated with the polymorphisms in GSTM1 and GSTT1.
Conclusions The increase of MNs in car painters serves to alert the increased risk of cancer in this population exposed to organic solvents. These results can be used in Occupational Epidemiological Surveillance Programs, as a prevention strategy and policies to regulate and control the use of solvents at a national level and in other countries with a large informal sector of individuals exposed to these chemicals to reduce the risk of cancer.
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