| REVIEW ARTICLE |
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| Year : 2009 | Volume
: 15
| Issue : 2 | Page : 78-83 |
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Drugs impact on CYP-450 enzyme family: A pharmacogenetical study of response variation
Kapil Kalra, Garima Jarmal, Neeti Mishra
Department of Pharmaceutical Chemistry, Kanak Manjari Institute of Pharmaceutical Sciences, Rourkela, Orissa, India
Correspondence Address:
Kapil Kalra
Department of Pharmaceutical Chemistry, Kanak Manjari Institute of Pharmaceutical Sciences, Rourkela, Orissa
India
DOI: 10.4103/0971-6866.55221 PMID: 20680157
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Pharmacogenetics is the study of genetic basis in the individual response to drugs. A thorough knowledge of this will lead to a future where tailor-made drugs, suiting an individual, can be used. Scandinavian countries have been known for wide usage of pharmacogenetics and the most widely used application is for genotyping CYP2D6 in treating psychiatric illness. The CYP-450 enzyme, a super family of microsomal drug-metabolizing enzymes, is the most important of enzymes that catalyzes phase-I drug metabolism reaction. CYP2D6 is a member of this family and it has been most intensively studied and the best example of pharmacogenetics variation in drug metabolism. Neuro-transmitter and drug acting CNS viz. codeine, dextromethorphan, metoprolol and tryptyline etc. are well metabolized by this enzyme. Thus, CYP2D6 is one of the most important and responsible enzymes which regulates bioavailability and metabolism of drug. Presently 75 alleles of CYP2D6 have been described which are responsible for variance of metabolism and toxicity of drugs. Thus, by determining variance of CYP2D6 using molecular approaches viz., PCR, real-time PCR, DNA micro-array and molecular docking can determine the adverse effects, drug toxicity, bioavailability and therapeutic potential of new drug. |
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