Distribution of arylamine n-acetyltransferase 2 (NAT2) genotypes among omanis

Musbah O.M. Tanira*, Mehmet Simsek, Khalid Al Balushi, Khulood Al Lawatia, Hameedah Al Barawani, Riad A. Bayoumi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Objective: to determine the genotypes of arylamine N-acetyltransferase (NAT2) among 127 unrelated apparently healthy Omanis. Method: Identify the most common known polymorphisms of NAT*2 gene namely, G191A, C282T, C341T, C481T, G590A, A803G and G857A using PCR-RFLP analysis. Results: Eleven allele variants (3 alternative) and 30 different genotypes were determined. The commonest alleles were found to be NAT*5B, NAT2*6A and NAT*4 with corresponding frequencies of 0.362, 0.248 and 0.189 respectively. The overall frequency of rapid acetylator alleles was 0.25. Conclusion: A new allele variant containing G590A, C282T and T341C polymorphisms was found in one subject (was named NAT2*5J). The commonest genotypes were found to be 5B/5B, 5B/6A, 4/5B, 4/6A with frequencies 0.165, 0.157, 0.118, 0.110 and 0.079 respectively.

Original languageEnglish
Pages (from-to)9-14
Number of pages6
JournalSultan Qaboos University Medical Journal
Issue number1-2
Publication statusPublished - Apr 2003


  • Genotyping
  • N-acetyltransferase (NAT)
  • Omani

ASJC Scopus subject areas

  • General Medicine


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