Serum vascular endothelial growth factor concentrations and postsurgical outcome in dogs with osteosarcoma.

Vascular endothelial growth factor (VEGF) is a key angiogenic growth factor, playing putative roles in both tumour growth and metastasis. The purpose of this study was to correlate pretreatment serum concentrations of VEGF in dogs with osteosarcoma (OSA) with disease-free interval (DFI) and overall survival (OS). Additionally, the effect of serum from dogs with OSA on ex vivo canine endothelial cell (EC) growth was determined. Pretreatment platelet-corrected serum VEGF levels correlated significantly with DFI. No other examined variable predicted outcome. The ability of sera from dogs with OSA to stimulate canine EC proliferation did not correlate with VEGF concentration or outcome. These data support a role for VEGF in the development or progression of metastatic disease in dogs with OSA. The VEGF concentration in tested sera was not a major determinant of ex vivo canine EC proliferation in this study.
AuthorsD H Thamm, M G O'Brien, D M Vail
JournalVeterinary and comparative oncology (Vet Comp Oncol) Vol. 6 Issue 2 Pg. 126-32 (Jun 2008) ISSN: 1476-5829 [Electronic] England
PMID19178672 (Publication Type: Journal Article)
Chemical References
  • Vascular Endothelial Growth Factor A
  • Animals
  • Blood Platelets (cytology)
  • Disease Progression
  • Disease-Free Survival
  • Dog Diseases (blood, mortality, surgery)
  • Dogs
  • Female
  • Male
  • Neoplasm Metastasis
  • Neovascularization, Pathologic (blood)
  • Osteosarcoma (blood, mortality, surgery, veterinary)
  • Vascular Endothelial Growth Factor A (blood, metabolism)

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