Pseudocowpox virus Encodes a Homolog of Vascular Endothelial Growth Factor
Copyright policy )Pseudocowpox virus Encodes a Homolog of Vascular Endothelial Growth Factor
We have identified a gene encoding a homolog of vascular endothelial growth factor (VEGF) in the Pseudocowpox virus (PCPV) genome. The predicted protein shows 27% amino acid identity to human VEGF-A. It also shows 41 and 61% amino acid identity to VEGFs encoded by orf virus (ORFV) strains NZ2 and NZ7, respectively. Assays of the expressed VEGF-like protein of PCPV (PCPV(VR634)VEGF) demonstrated that PCPV(VR634)VEGF is mitogenic for endothelial cells and is capable of inducing vascular permeability. PCPV(VR634)VEGF bound VEGF receptor-2 (VEGFR-2) but did not bind VEGFR-1 or VEGFR-3. These results indicate that PCPV(VR634)VEGF is a biologically active member of the VEGF family which shares with the ORFV-encoded VEGFs a receptor binding profile that differs from those of all cellular members of the VEGF family. It seems likely that the biological activities of PCPV(VR634)VEGF contribute to the proliferative and highly vascularized nature of PCPV lesions.
- University of Otago New Zealand
- Ludwig Cancer Research Belgium
- Melbourne Health Australia
- Ludwig Cancer Research Australia
- Royal Melbourne Hospital Australia
Models, Molecular, Vascular Endothelial Growth Factor A, Pseudocowpox virus, Molecular Sequence Data, VEGF-E, vascular endothelial cell growth factor receptor (VEGFR), Endothelial Growth Factors, vascular endothelial growth factor (VEGF), Capillary Permeability, Viral Proteins, Virology, Animals, Humans, Amino Acid Sequence, Parapoxvirus, Lymphokines, Base Sequence, Vascular Endothelial Growth Factors, receptors, growth factor, Vascular Endothelial Growth Factor Receptor-2, viral proteins, receptor protein–tyrosine kinases, VEGF-like protein, vascular permeability factor, Intercellular Signaling Peptides and Proteins, Endothelium, Vascular, Pseudocowpox Virus
Models, Molecular, Vascular Endothelial Growth Factor A, Pseudocowpox virus, Molecular Sequence Data, VEGF-E, vascular endothelial cell growth factor receptor (VEGFR), Endothelial Growth Factors, vascular endothelial growth factor (VEGF), Capillary Permeability, Viral Proteins, Virology, Animals, Humans, Amino Acid Sequence, Parapoxvirus, Lymphokines, Base Sequence, Vascular Endothelial Growth Factors, receptors, growth factor, Vascular Endothelial Growth Factor Receptor-2, viral proteins, receptor protein–tyrosine kinases, VEGF-like protein, vascular permeability factor, Intercellular Signaling Peptides and Proteins, Endothelium, Vascular, Pseudocowpox Virus
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