AAV-mediated gene transfer of tissue inhibitor of metalloproteinases-1 inhibits vascular tumor growth and angiogenesis in vivo

Serena Zacchigna, Lorena Zentilin, Monica Morini, Raffaella Dell'Eva, Douglas M. Noonan, Adriana Albini, Mauro Giacca

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

The activity of matrix metalloproteinases (MMPs) is a universal feature of cellular invasion, tumor angiogenesis and metastasis, which is counterbalanced and regulated by the natural tissue inhibitors of MMPs (Timps). Here we show that Timp1 gene transfer delivered by an adeno-associated virus (AAV) vector inhibits tumor growth in a murine xenotransplant model. A human Kaposi's sarcoma cell line, forming highly vascularized tumors in vivo and having a high natural permissivity to AAV gene transfer, was transduced to express the Timp1 cDNA. AAV-Timp1-transduced cells secreted high levels of Timp1 that inhibited MMP2 and MMP9 gelatinolytic activity. Following subcutaneous inoculation in nude mice, the AAV-Timp1-transduced cells showed significantly reduced tumor growth when compared to control AAV-LacZ-transduced cells. In addition, direct intratumoral injection of AAV-Timp1 into pre-existing tumors significantly impaired the further expansion of the tumor mass. Histological analyses showed that the AAV-Timp1-transduced tumors had limited development of vascular structures and extensive areas of cell death, suggesting that Timp1 overexpression had an antiangiogenic effect. To further support this conclusion, we demonstrated that AAV-Timp1 transduction significantly reduced endothelial cell migration and the invasion of a Matrigel barrier and strongly inhibited angiogenesis in the chick chorioallantoic membrane assay. These results indicate that transfer and overexpression of the Timp1 gene is a promising therapeutic strategy to target tumor-associated angiogenesis in cancer gene therapy.

Original languageEnglish
Pages (from-to)73-80
Number of pages8
JournalCancer Gene Therapy
Volume11
Issue number1
DOIs
Publication statusPublished - Jan 2004

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Dependovirus
Tissue Inhibitor of Metalloproteinase-1
Blood Vessels
Growth
Genes
Neoplasms
Tissue Inhibitor of Metalloproteinases
Chorioallantoic Membrane
Kaposi's Sarcoma
Neoplasm Genes
Matrix Metalloproteinases
Nude Mice
Genetic Therapy
Cell Movement
Cell Death
Endothelial Cells
Complementary DNA
Neoplasm Metastasis
Cell Line
Injections

Keywords

  • AAV
  • Angiogenesis
  • MMPs
  • Tumor growth

ASJC Scopus subject areas

  • Cancer Research
  • Genetics

Cite this

AAV-mediated gene transfer of tissue inhibitor of metalloproteinases-1 inhibits vascular tumor growth and angiogenesis in vivo. / Zacchigna, Serena; Zentilin, Lorena; Morini, Monica; Dell'Eva, Raffaella; Noonan, Douglas M.; Albini, Adriana; Giacca, Mauro.

In: Cancer Gene Therapy, Vol. 11, No. 1, 01.2004, p. 73-80.

Research output: Contribution to journalArticle

Zacchigna, Serena ; Zentilin, Lorena ; Morini, Monica ; Dell'Eva, Raffaella ; Noonan, Douglas M. ; Albini, Adriana ; Giacca, Mauro. / AAV-mediated gene transfer of tissue inhibitor of metalloproteinases-1 inhibits vascular tumor growth and angiogenesis in vivo. In: Cancer Gene Therapy. 2004 ; Vol. 11, No. 1. pp. 73-80.
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