Article Publish Status: FREE
Abstract Title:

Immunological and genotoxic effects of occupational exposure toα-cypermethrin pesticide.

Abstract Source:

Int J Occup Med Environ Health. 2017 Jun 19 ;30(4):603-615. Epub 2017 Jun 5. PMID: 28584332

Abstract Author(s):

El-Sayed El Okda, Mona Abdel-Aal Abdel-Hamid, Ahmed Mohamed Hamdy

Article Affiliation:

El-Sayed El Okda


OBJECTIVES: The aim of this work has been to find out the occupational oxidative stress, immunological and genotoxic health hazards amongα-cypermethrin (CYP) pesticide-exposed workers.

MATERIAL AND METHODS: A cross-sectional study was performed including 200 workers divided into 3 groups according to the level of exposure: highly exposed group (50 workers), moderately exposed group (50 workers) and unexposed group (100 workers). All workers were subjected to detailed laboratory investigation for gene P53 mutations, immunological parameters as a cluster of differentiation into 3 percentage (CD3%), CD4% and CD8% in addition to peripheral blood total leukocytic and platelet counts that were measured. Spectrophotometer technique was used for detection of superoxide dismutase (SOD), catalase (CAT), glutathione (GSH) and glutathione peroxidase (GPx). Air samples were collected with a High Volume Small Surface Sampler for measurement ofα-cypermethrin level.

RESULTS: A highly exposed group to theα-cypermethrin had lower CD4/CD8 as compared to an unexposed group with statistically significant difference. As regards gene mutation, exons 5a and 6 were more frequent among the highly exposed group as compared to no mutation among moderately exposed and unexposed groups with significant difference. As regards antioxidants; SOD, CAT, GSH and GPx were higher among the unexposed group as compared to the highly and moderately exposed group with statistically significant difference. Significant negative correlation was found between working years and antioxidant parameters.

CONCLUSIONS: Repeated exposure toα-CYP may lead to gene mutations, immunological disturbances and oxidative stress. Strict safety precautions are required not only for workers but also for public users. Int J Occup Med Environ Health 2017;30(4):603-615.

Study Type : Human Study
Additional Links
Problem Substances : Cypermethrin : CK(6) : AC(0)

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