Oxidative phosphorylation dysfunction modulates expression of extracellular matrix - Remodeling genes and invasion

Corina van Waveren, Yubo Sun, Herman S Cheung, Carlos T Moraes

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

A number of recent studies suggest that mitochondrial function is a player in tumor development and progression. In this study, we have used gene expression arrays to examine transcriptional differences between oxidative phosphorylation (OXPHOS)-competent and OXPHOS-impaired human osteosarcoma cells. Genes associated with extracellular matrix remodeling, including members of the matrix metalloproteinases (MMPs) and tissue inhibitors of the MMP (TIMP) family, urokinase plasminogen activator and its inhibitor plasminogen-activator inhibitor-1 (PAI1), and CTGF and CYR61 (members of the Cysteine-rich 61, Connective Tissue Growth Factor and Nephroblastoma-overexpressed (CCN) gene family of growth regulators), were among the ones significantly altered in the OXPHOS-deficient cells. These changes were confirmed by RT-PCR and promoter reporter assays. Alterations at the protein level for some of these factors were also observed, though at a lower magnitude, with the exception of TIMP1, where a marked change in steady-state levels of the protein was observed after induction of OXPHOS dysfunction. Repopulation of mitochondrial DNA (mtDNA)-less cells with wild-type mtDNA reduced matrigel invasion, whereas repopulation with a mutated mtDNA did not. Taken together our data suggests that OXPHOS dysfunction modulates the invasive phenotype by transcriptional regulation of genes coding for members of the MMP/TIMP system, urokinase plasminogen activator/ plasminogen-activator inhibitor I and CCN proteins.

Original languageEnglish
Pages (from-to)409-418
Number of pages10
JournalCarcinogenesis
Volume27
Issue number3
DOIs
StatePublished - Mar 1 2006

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Oxidative Phosphorylation
Extracellular Matrix
Mitochondrial DNA
Plasminogen Inactivators
Matrix Metalloproteinase Inhibitors
Genes
Urokinase-Type Plasminogen Activator
Matrix Metalloproteinases
Connective Tissue Growth Factor
Tissue Inhibitor of Metalloproteinases
Proteins
Wilms Tumor
Plasminogen Activators
Plasminogen Activator Inhibitor 1
Osteosarcoma
Cysteine
Phenotype
Gene Expression
Polymerase Chain Reaction
Growth

ASJC Scopus subject areas

  • Cancer Research

Cite this

Oxidative phosphorylation dysfunction modulates expression of extracellular matrix - Remodeling genes and invasion. / van Waveren, Corina; Sun, Yubo; Cheung, Herman S; Moraes, Carlos T.

In: Carcinogenesis, Vol. 27, No. 3, 01.03.2006, p. 409-418.

Research output: Contribution to journalArticle

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