Recent studies on mammalian DNA repair mechanisms

Teruhisa Tsuzuki, Y. Tominaga

Research output: Contribution to journalReview article

Abstract

Errors in the replication of DNA are a major source of spontaneous mutation and a number of cellular functions correct these errors to maintain a low frequency of spontaneous mutation. First, we focused on two enzymes, 8-oxo-dGTPase and O6-methylguanine-DNA methyltransferase, which may be involved in the processes of spontaneous and induced mutagenesis, respectively. These enzymes are present in various organisms, from bacteria to mammalian cells, and appears to be responsible for preventing the occurrence of such mutations at the pre-replicational step. In addition to these two, the other mechanisms, such as nucleotide excision repair and mismatch repair, that also keep mutation rate low we reviewed. Genetic defects in one of the genes involved in DNA repair mechanisms have been linked to the high incidence of cancer, such as Xeroderma pigmentosum and hereditary nonpolyposis colorectal cancer.

Original languageEnglish
Pages (from-to)1537-1547
Number of pages11
JournalNippon rinsho. Japanese journal of clinical medicine
Volume53
Issue number6
Publication statusPublished - Jan 1 1995

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Mutation Rate
DNA Repair
Hereditary Nonpolyposis Colorectal Neoplasms
Xeroderma Pigmentosum
Mutation
DNA Mismatch Repair
Methyltransferases
Enzymes
DNA Replication
Mutagenesis
Bacteria
DNA
Incidence
Genes
Neoplasms
8-oxodGTPase
O-(6)-methylguanine

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Recent studies on mammalian DNA repair mechanisms. / Tsuzuki, Teruhisa; Tominaga, Y.

In: Nippon rinsho. Japanese journal of clinical medicine, Vol. 53, No. 6, 01.01.1995, p. 1537-1547.

Research output: Contribution to journalReview article

Tsuzuki, Teruhisa ; Tominaga, Y. / Recent studies on mammalian DNA repair mechanisms. In: Nippon rinsho. Japanese journal of clinical medicine. 1995 ; Vol. 53, No. 6. pp. 1537-1547.
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