Genotype and allele frequencies of polymorphic cytochromes P450 CYP1A2 and CYP2E1 in Mexicans

Ania Mendoza-Cantú, Fabiola Castorena-Torres, Mario Bermudez, Roberto Martínez-Hernández, Arturo Ortega, Juan E. Salinas, Arnulfo Albores

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


CYP1A2 and CYP2E1 are two of the main cytochrome P450 isoforms involved in the metabolism of commonly used drugs and xenobiotic compounds considered to be responsible for or possible participants in the development of several human diseases. Individual susceptibility to developing these pathologies relies, among other factors, on genetic polymorphism which depends on ethnic differences, as the frequency of mutant genotypes varies in different human populations. Thus the aim of this study was to investigate the frequency of CYP1A2 5′-flanking region and CYP2E1 Rsa I/Pst I polymorphisms in Mexicans by PCR-RFLP methods. The DNA of 159 subjects was analysed and mutant allele frequencies of 30% for CYP2E1 Rsa I/Pst I sites and 43% for CYP1A2 5′-flanking region were found. These frequencies are higher than those previously reported for other human populations.

Original languageEnglish
Pages (from-to)29-34
Number of pages6
JournalCell Biochemistry and Function
Issue number1
Publication statusPublished - 1 Jan 2004
Externally publishedYes

Bibliographical note

Copyright 2008 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Clinical Biochemistry
  • Cell Biology


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