MicroRNA-143 and -145 in colon cancer

Yukihiro Akao, Yoshihito Nakagawa, Tomoki Naoe

Research output: Contribution to journalReview article

181 Citations (Scopus)

Abstract

MicroRNAs (miRNAs) are endogenous, small non-coding RNAs (20-22 nucleotides) that negatively regulate gene expression at the translational level by base pairing to the 3′ untranslated region of target messenger RNAs. More than 400 miRNAs have been identified in humans and are evolutionally conserved from plants to animals. It has been revealed that miRNAs regulate various biological processes, such as development, cell differentiation, cell proliferation, and cell death. It is predicted that 30% of protein-encoding genes are regulated by miRNAs. Inappropriate expression of miRNAs has been found in cancer. Especially, the expression level of miRNAs that act like anti-oncogenes is frequently reduced in cancers because of chromosome aberrations. In addition, since the processing of miRNAs has been characterized to be enzymatic in nature, the expression levels of miRNAs are closely associated with the activity and levels of such enzymes. In this review, we discuss recent remarkable advances in miRNA biogenesis, bio-networking involving miRNAs, and their roles in carcinogenesis. Further, we discuss the expression of miRNA-143 and -145 in colon cancer and their roles in carcinogenesis. The available data suggest that miRNAs would be potentially useful as diagnostic and therapeutic tools.

Original languageEnglish
Pages (from-to)311-320
Number of pages10
JournalDNA and Cell Biology
Volume26
Issue number5
DOIs
Publication statusPublished - 01-05-2007
Externally publishedYes

Fingerprint

MicroRNAs
Colonic Neoplasms
Carcinogenesis
Biological Phenomena
Small Untranslated RNA
3' Untranslated Regions
Tumor Suppressor Genes
Base Pairing
Chromosome Aberrations
Cell Differentiation
Neoplasms
Cell Death
Nucleotides
Cell Proliferation
Gene Expression
Messenger RNA

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

Akao, Yukihiro ; Nakagawa, Yoshihito ; Naoe, Tomoki. / MicroRNA-143 and -145 in colon cancer. In: DNA and Cell Biology. 2007 ; Vol. 26, No. 5. pp. 311-320.
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MicroRNA-143 and -145 in colon cancer. / Akao, Yukihiro; Nakagawa, Yoshihito; Naoe, Tomoki.

In: DNA and Cell Biology, Vol. 26, No. 5, 01.05.2007, p. 311-320.

Research output: Contribution to journalReview article

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