Oncogenes and tumor suppressor genes

Research output: Contribution to journalArticle

Abstract

Proliferation and differentiation of cells are known to be regulated by complicated interactions in which various intracellular molecules are involved. Recent molecular genetic analyses have revealed that the genesis and progression of tumors are the result of accumulated changes in two major classes of growthregulatory genes - the oncogenes and the tumor suppressor genes. Several sequential genetic alterations, especially the inactivation of tumor suppressor genes, appear to allow cells to develop toward a more malignant phenotype. More than 10 tumor suppressor genes have been identified since the retinoblastoma susceptibility gene (RB1) was found as the first suppressor gene of mammalian cells in 1986. These genes can be grouped into four classes according to the functions; genes which are involved in 1) regulation of cell cycle, 2) DNA mismatch repair pathway, 3) cell-cell contact signals, and 4) regulation of ras proto-oncogene product. Especially, genes which encode cell cycle regulatory proteins such as RB1, p53, and p!6 have been found to have frequent mutations in various cancer cells, and these functions are rapidly being characterized. The biochemical characters of these cell cycle regulators will be discussed.

Original languageEnglish
Pages (from-to)18
Number of pages1
JournalJapanese Journal of Human Genetics
Volume41
Issue number1
Publication statusPublished - 1996
Externally publishedYes

Fingerprint

Tumor Suppressor Genes
Oncogenes
Genes
Cell Cycle
Suppressor Genes
Retinoblastoma Genes
Cell Cycle Proteins
DNA Mismatch Repair
ras Genes
Proto-Oncogenes
Oncogene Proteins
Molecular Biology
Cell Differentiation
Neoplasms
Cell Proliferation
Phenotype
Mutation

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Oncogenes and tumor suppressor genes. / Saya, Hideyuki.

In: Japanese Journal of Human Genetics, Vol. 41, No. 1, 1996, p. 18.

Research output: Contribution to journalArticle

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