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ORIGINAL RESEARCH Table of Contents   
Year : 2017  |  Volume : 28  |  Issue : 4  |  Page : 413-417
Application of liquid-based cytology preparation in micronucleus assay of exfoliated buccal epithelial cells in road construction workers


Department of Pathology, Dhanalakshmi Srinivasan Medical College and Hospital, Perambalur, Tamil Nadu, India

Correspondence Address:
P Arul
No. 83, Ayyanar Kovil Street, Vinayagampet, Sorapet Post, Puducherry - 605 501
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijdr.IJDR_665_16

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Background: Asphalts are bitumens that consist of complex of hydrocarbon mixtures and it is used mainly in road construction and maintenance. Aim: This study was undertaken to evaluate the micronucleus (MN) assay of exfoliated buccal epithelial cells in road construction workers using liquid-based cytology (LBC) preparation. Materials and Methods: Three different stains (May–Grunwald Giemsa, hematoxylin and eosin, and Papanicolaou) were used to evaluate the frequency of MN in exfoliated buccal epithelial of 100 participants (fifty road construction workers and fifty administrative staff) using LBC preparation. Statistical analysis was performed with Student's t-test, and P< 0.05 was considered statistically significant. Results: The mean frequency of MN for cases was significantly higher than that of controls (P = 0.001) regardless of staining method used and also cases with exposure period of more than 5 years had statistically significant difference (P < 0.05) than cases with <5 years of exposure. Conclusion: The present study concluded that workers exposed to asphalts during road construction exhibit a higher frequency of MN in exfoliated buccal epithelial cells and they are under the significant risk of cytogenetic damage. LBC preparation has potential application for the evaluation of frequency of MN. This technique may be advocated in those who are occupationally exposed to potentially carcinogenic agents in view of improvement in the smear quality and visualization of cell morphology.


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