Journal
JOURNAL OF NEURO-ONCOLOGY
Volume 55, Issue 2, Pages 91-100Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1013329832067
Keywords
monoclonal antibodies; angiogenesis; VEGF; FLT-1; C6 glioma
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Monoclonal antibodies raised to peptide sequences of vascular endothelial growth factor (VEGF) and the VEGF receptor, FLT-1, inhibited the growth of C6 tumors growing subcutaneously in nude mice. Immunohistochemical analysis demonstrated antibody targeting of blood vessels, tumor cells, and macrophages. A control antibody demonstrated no growth inhibition or tumor uptake. An antibody to FLT-1 impaired microvascular maturation and diminished the accumulation of tumor infiltrating macrophages. The antibodies demonstrated affinity for microvasculature and tumor cells in immunohistochemistry of human glioblastoma multiforme. Targeting VEGF and its receptors has potential in the treatment of tumors of the central nervous system. FLT-1 presents an attractive target due to its presence on multiple cell types.
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