A novel cyp1a1 gene polymorphism in african-americans

  • Frances Crofts
  • , Greg N. Cosma
  • , Diane Currie
  • , Emanuela Taioli
  • , Paolo Toniolo
  • , Seymour J. Garte

Research output: Contribution to journalArticlepeer-review

133 Scopus citations

Abstract

A new Mspl RFLP in the CYP1A1 gene has been found in genomic DNA from African-Americans. The polymorphism results from a single A-T to G-C transition in the 3' noncoding region ̃300 bp upstream from the polyadenylation site. This mutation leads to cleavage of the normal 2.3 kb Mspl restriction fragment into 1.3 and 1.0 kb fragments. The heterozygous mutation has been seen in 8 of 47 African-Americans, but was not detected in 191 Caucasians or 30 Asians. No linkage was observed with either of the two previously described polymorphisms in this gene.

Original languageEnglish
Pages (from-to)1729-1731
Number of pages3
JournalCarcinogenesis
Volume14
Issue number9
DOIs
StatePublished - Sep 1993
Externally publishedYes

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