β-Catenin regulates the gene of MMP-26, a novel matrix metalloproteinase expressed both in carcinomas and normal epithelial cells

Natalia D. Marchenko, George N. Marchenko, Robert N. Weinreb, James D. Lindsey, Ainura Kyshtoobayeva, Howard C. Crawford, Alex Y. Strongin

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

There are several unorthodox features, which distinguish the non-redundant and unique novel matrix metalloproteinase-26 (MMP-26) (an enzyme that has recently evolved and does not exist in rodents but is present in humans) from other members of the MMP superfamily. This report describes our recent efforts to gain a better understanding of the mechanisms which restrict expression of MMP-26 to certain cell/tissue types. We examined transcriptional regulation of the human MMP-26 gene in normal and malignant cells. The AP-1 and Tcf-4 sites of the MMP-26 promoter appear most potent in regulating the expression of the MMP-26-luciferase chimera in HEK293 embryonic kidney and MCF7 breast carcinoma cells. Key regulators of the Wnt pathway (β-catenin and lymphoid enhancer-binding factor/T-cell factor with which β-catenin associates) enhanced the transcriptional activity of MMP-26 suggesting that the MMP-26 gene is a likely target of the Wnt pathway. Immunostaining, gene arrays and reverse-transcriptase polymerase chain reaction (RT-PCR) confirm the presence of MMP-26 in normal cells, including the apical epithelial conjunctiva cells of the human eye, as well as in malignant cells of epithelial origin. MMP-26 predominantly accumulates in its proenzyme form in the intracellular milieu of the transfected breast carcinoma MCF7 cells. This study brings us a step forward towards a better understanding of the unconventional role, regulation and functions of epithelial cell MMP-26 in physiological conditions and in neoplasms.

Original languageEnglish (US)
Pages (from-to)942-956
Number of pages15
JournalInternational Journal of Biochemistry and Cell Biology
Volume36
Issue number5
DOIs
StatePublished - May 2004
Externally publishedYes

Fingerprint

Catenins
Matrix Metalloproteinases
Genes
Epithelial Cells
Carcinoma
TCF Transcription Factors
Wnt Signaling Pathway
Breast Neoplasms
Enzyme Precursors
Conjunctiva
Polymerase chain reaction
RNA-Directed DNA Polymerase
MCF-7 Cells
Transcription Factor AP-1
Luciferases
Reverse Transcriptase Polymerase Chain Reaction
Rodentia
Cells

Keywords

  • Breast cancer
  • Carcinomas
  • Matrix metalloproteinases
  • Signal transduction
  • Tumorigenesis

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology

Cite this

β-Catenin regulates the gene of MMP-26, a novel matrix metalloproteinase expressed both in carcinomas and normal epithelial cells. / Marchenko, Natalia D.; Marchenko, George N.; Weinreb, Robert N.; Lindsey, James D.; Kyshtoobayeva, Ainura; Crawford, Howard C.; Strongin, Alex Y.

In: International Journal of Biochemistry and Cell Biology, Vol. 36, No. 5, 05.2004, p. 942-956.

Research output: Contribution to journalArticle

Marchenko, Natalia D. ; Marchenko, George N. ; Weinreb, Robert N. ; Lindsey, James D. ; Kyshtoobayeva, Ainura ; Crawford, Howard C. ; Strongin, Alex Y. / β-Catenin regulates the gene of MMP-26, a novel matrix metalloproteinase expressed both in carcinomas and normal epithelial cells. In: International Journal of Biochemistry and Cell Biology. 2004 ; Vol. 36, No. 5. pp. 942-956.
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