Differential ability of polymorphic OGG1 proteins to suppress mutagenesis induced by 8-hydroxyguanine in human cell in vivo

Arito Yamane, Takashi Kohno, Kohei Ito, Noriaki Sunaga, Kazunori Aoki, Kimio Yoshimura, Hirokazu Murakami, Yoshihisa Nojima, Jun Yokota

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

OGG1 protein has an ability to suppress mutagenesis induced by 8-hydroxyguanine (8OHG), an oxidatively damaged promutagenic base. Here, the mutation suppressive ability was compared between two common polymorphic OGG1 proteins, OGG1-Ser326 and OGG1-Cys326, using a supF forward mutation assay employing an 8OHG-containing plasmid. Polymorphic OGG1 proteins were exogenously expressed by adenoviral transduction in H1299 human lung cancer cells, in which endogenous OGG1 protein was undetectable by western blot analysis. Mutations by 8OHG were more efficiently suppressed in OGG1-Ser326 transduced cells than OGG1-Cys326 transduced cells. The results indicated that OGG1-Cys326 has a lower ability to prevent mutagenesis by 8OHG than OGG1-Ser326 in vivo in human cells; supporting the results of recent association studies that OGG1-Cys326 is a risk allele for several types of human cancers.

Original languageEnglish
Pages (from-to)1689-1694
Number of pages6
JournalCarcinogenesis
Volume25
Issue number9
DOIs
Publication statusPublished - 2004 Sep
Externally publishedYes

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Mutagenesis
Mutation
Proteins
Lung Neoplasms
Plasmids
Western Blotting
Alleles
8-hydroxyguanine
Neoplasms

ASJC Scopus subject areas

  • Cancer Research

Cite this

Differential ability of polymorphic OGG1 proteins to suppress mutagenesis induced by 8-hydroxyguanine in human cell in vivo. / Yamane, Arito; Kohno, Takashi; Ito, Kohei; Sunaga, Noriaki; Aoki, Kazunori; Yoshimura, Kimio; Murakami, Hirokazu; Nojima, Yoshihisa; Yokota, Jun.

In: Carcinogenesis, Vol. 25, No. 9, 09.2004, p. 1689-1694.

Research output: Contribution to journalArticle

Yamane, A, Kohno, T, Ito, K, Sunaga, N, Aoki, K, Yoshimura, K, Murakami, H, Nojima, Y & Yokota, J 2004, 'Differential ability of polymorphic OGG1 proteins to suppress mutagenesis induced by 8-hydroxyguanine in human cell in vivo', Carcinogenesis, vol. 25, no. 9, pp. 1689-1694. https://doi.org/10.1093/carcin/bgh166
Yamane, Arito ; Kohno, Takashi ; Ito, Kohei ; Sunaga, Noriaki ; Aoki, Kazunori ; Yoshimura, Kimio ; Murakami, Hirokazu ; Nojima, Yoshihisa ; Yokota, Jun. / Differential ability of polymorphic OGG1 proteins to suppress mutagenesis induced by 8-hydroxyguanine in human cell in vivo. In: Carcinogenesis. 2004 ; Vol. 25, No. 9. pp. 1689-1694.
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