Angiogenin promotes tumoral growth and angiogenesis by regulating matrix metallopeptidase-2 expression via the ERK1/2 pathway

M. Miyake, Steven Goodison, A. Lawton, E. Gomes-Giacoia, C. J. Rosser

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Tumor angiogenesis is essential for tumor growth and metastasis and is dependent on key angiogenic factors. Angiogenin (ANG), a 14.2-kDa polypeptide member of the RNase A superfamily, is an angiogenic protein that has been reported to be upregulated and associated with poor prognosis in some human cancers. The mechanisms through which aberrant ANG levels promote specific steps in tumor progression are unknown. Here, we show that ANG expression in human tissues is strongly correlated with an invasive cancer phenotype. We also show that ANG induces cellular survival, proliferation, endothelial tube formation and xenograft angiogenesis and growth. Novel mechanistic investigations revealed that ANG expression stimulated matrix metallopeptidase-2 (MMP2) expression through the phosphorylation of ERK1/2. Targeting ANG in vivo with N65828, a small-molecule inhibitor of the ribonucleolytic activity of human ANG, resulted in the diminution of xenograft tumoral growth through the inhibition of angiogenesis. Our findings support an unrecognized interplay between ANG, ERK1/2 and MMP2 that can impact tumor growth and progression. The targeting of ANG and associated factors could provide a novel strategy to inhibit tumor establishment and growth.

Original languageEnglish (US)
Pages (from-to)890-901
Number of pages12
JournalOncogene
Volume34
Issue number7
DOIs
StatePublished - Feb 12 2015
Externally publishedYes

Fingerprint

MAP Kinase Signaling System
Metalloproteases
Growth
Neoplasms
Heterografts
Angiogenic Proteins
angiogenin
Pancreatic Ribonuclease
Angiogenesis Inducing Agents
Human Activities
Phosphorylation
Cell Proliferation
Neoplasm Metastasis
Phenotype
Peptides
Survival

Keywords

  • Angiogenesis
  • Angiogenin
  • Cancer
  • ERK1/2
  • MMP2

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cancer Research

Cite this

Angiogenin promotes tumoral growth and angiogenesis by regulating matrix metallopeptidase-2 expression via the ERK1/2 pathway. / Miyake, M.; Goodison, Steven; Lawton, A.; Gomes-Giacoia, E.; Rosser, C. J.

In: Oncogene, Vol. 34, No. 7, 12.02.2015, p. 890-901.

Research output: Contribution to journalArticle

Miyake, M. ; Goodison, Steven ; Lawton, A. ; Gomes-Giacoia, E. ; Rosser, C. J. / Angiogenin promotes tumoral growth and angiogenesis by regulating matrix metallopeptidase-2 expression via the ERK1/2 pathway. In: Oncogene. 2015 ; Vol. 34, No. 7. pp. 890-901.
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