Abstract
Background
Occupational exposure to toluene causes serious health problems ranging from drowsiness to lethal diseases such as cancer. Paint workers are exposed to toluene through inhalation or the dermal route, which can induce genetcic damage. The increased DNA damage could be linked to genetic polymorphism. Therefore, we evaluated the association of glutathione-S-transferase polymorphism with DNA damage in paint workers.
Methods
First, we included skilled paint workers (n = 30) as exposed and healthy individuals (n = 30) as control belonging to the same socio-economic strata. The genotoxicity biomarkers, Cytokinesis-block micronucleus (CBMN), and single-cell gel electrophoresis (SCGE)/Comet assay were used to assess genotoxicity while Multiplex-PCR and PCR-RFLP were used to assess polymorphism in glutathione-s-transferase (GST) genes. Using linear curve regression analysis, we assessed the association between genetic damage and polymorphism in the glutathione-s-transferase (GST) gene in the exposed and control subjects.
Results
A significantly higher frequency of CBMN (4.43 ± 1.50) and tail moment (TM) (11.23 ± 1.0) respectively in paint workers as compared to the control(1.50 ± 0.86 and (0.54 ± 0.37) underlined significantly high genetic damage in paint workers.Regression curve analysis reveals that polymorphism in the GST gene is significantly associated with higher MN and TM in paint workers.
Conclusion
Overall, our study provides a strong rationale for identifying a clear association between glutathione-S-transferase polymorphism and genetic damage in paint workers.
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Data availability
Data will be available from 1st author only at reasonable request.
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Concept, design, and overall supervision: AY; Sample collection, processing, and data acquisition: KP; Analysis or interpretation of data: KP, AY, SK, NA, and RG; Drafting of the manuscript: KP and SK; Editing of the manuscript: KP, SK, AY, RG, and NA; All authors provided comments on the manuscript and evaluated critically. All authors gave their consent for publication.
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KanuPriya, Kumar, S., Gupta, R. et al. Association of glutathione-S-transferase polymorphism with genetic damage in paint workers. Mol Biol Rep 50, 4899–4905 (2023). https://doi.org/10.1007/s11033-023-08335-2
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DOI: https://doi.org/10.1007/s11033-023-08335-2