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Published on: April 1, 2019
Genetic polymorphism of CYP2C19 in Maharashtrian population
Yogita Ghodke1, Kalpana Joshi, Yashendra Arya
1Bioprospecting Laboratory, Interdisciplinary School of Health Sciences, University of Pune, Pune, 411007, Maharashtra, India.
Genetic variations in the CYP2C19 gene impact drug metabolism and response. This study reveals unique CYP2C19 allele and genotype frequencies in the Maharashtrian population, distinct from other Indian and global groups.
Area of Science:
- Pharmacogenomics
- Human Genetics
- Drug Metabolism
Background:
- Inter-individual variability in drug response is influenced by genetic polymorphisms in drug-metabolizing enzymes.
- Cytochrome P450 enzymes (CYP), particularly CYP2C19, are crucial for metabolizing numerous medications.
- Limited data exists on CYP2C19 gene polymorphism frequencies in diverse Indian ethnic groups, including the Maharashtrian population.
Purpose of the Study:
- To determine the allele and genotype frequencies of major CYP2C19 variants in the Maharashtrian population.
- To compare these frequencies with those reported in other Indian and global populations.
- To investigate potential ethnic-specific variations in CYP2C19 in Western India.
Main Methods:
- Genotyping of major allelic variants of the CYP2C19 gene.
- Analysis of 139 unrelated healthy Maharashtrian subjects.
- Comparative analysis and meta-analysis with existing population data.
Main Results:
- This study provides the first report on CYP2C19 allele and genotype frequencies in the Maharashtrian population.
- The Maharashtrian population exhibits distinct genetic profiles compared to Caucasians, Africans, and some Asian populations.
- Significant genetic heterogeneity was observed among different Indian subpopulations.
Conclusions:
- The Maharashtrian population's CYP2C19 genetic makeup is unique, highlighting the need for population-specific pharmacogenetic studies.
- Understanding these variations is essential for optimizing drug therapy and minimizing adverse drug reactions in this ethnic group.
- This research underscores the importance of considering sub-ethnic diversity within India for personalized medicine approaches.
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