alexa Genotoxic and Carcinogenic Effects of Methyl Isocyanate (MIC) Reviewed on Exposed Bhopal Population and Future Perspectives for Assessment of Long-Term MIC-Effect | Abstract
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Genotoxic and Carcinogenic Effects of Methyl Isocyanate (MIC) Reviewed on Exposed Bhopal Population and Future Perspectives for Assessment of Long-Term MIC-Effect

Bani Bandana Ganguly1*, Shouvik Mandal1 and Nitin N Kadam2

1MGM Center for Genetic Research & Diagnosis, MGM New Bombay Hospital, Navi Mumbai, India

2Department of Pediatrics, MGM Medical College, Navi Mumbai, India

*Corresponding Author:
Bani Bandana Ganguly
MGM Center for Genetic Research & Diagnosis
MGM New Bombay Hospital, Vashi Sector 3
Navi Mumbai 400703, India
Tel: 91 22 61526527
E-mail: [email protected],[email protected]

Received Date: March 13, 2017 Accepted Date: March 25, 2017 Published Date: April 04, 2017

Citation: Ganguly BB, Mandal S, Kadam NN (2017) Genotoxic and Carcinogenic Effects of Methyl Isocyanate (MIC) Reviewed on Exposed Bhopal Population and Future Perspectives for Assessment of Long-Term MIC-Effect. J Chem Eng Process Technol 8: 452. doi: 10.4172/2157-7048.1000452

Copyright: © 2017 Ganguly BB, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

MIC disaster has been established as one of the largest industrial disasters which claimed>10000 lives and seriously jeopardized lives of millions. Besides acute illness and multi-system complications, genetic damage at chromosomal level was indicative of long-term illness as demonstrated in individual reports. Presence of self-replicating minutes detected after 1114 days indicated persistence of rearrangements in the exposed individuals. Among the systemic complications, respiratory, ophthalmic and reproductive systems were significantly affected then and now. Some of the females with elevated chromosome abnormalities had history of fetal loss and high incidence of perinatal and neonatal mortality. Several in vivo and in vivo experiments concluded that MIC may exert geno-toxicity by binding of carbamoylating agents to nuclear proteins. The cancer-incidence among the MIC-exposed survivors is calculated from hospital records. Moreover, continuous soil contamination by multiple of chemical wastes in the site might have augmented the genetic changes through interaction with other biologic and a-biologic factors. Owing to variable latency period of chemicals, and also unavailability of genetic information measured in stratified cohorts immediately after the disaster, it is worthy of screening genetic condition in the exposed survivors and their progenies, though 32 years have gone. This review further pays importance to compounding effects of multiple confounding variables on the exposed individuals. Nevertheless, comparison of a current genetic screening with the previous genetic condition would actually discuss about the long-term genotoxic effect of MIC on Bhopal population; however, such exercise would not be a straightforward approach due to interaction of several confounders.

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