This product is an unconjugated, non-therapeutic recombinant analog of bevacizumab, provided strictly for research use only. It is a fully human IgG1 monoclonal antibody engineered to recognize and bind vascular endothelial growth factor A (VEGF-A), the same target as the originator drug, and functions by capturing soluble VEGF-A so it cannot engage its receptors. The research-grade format makes it a convenient tool for scientists studying angiogenesis, VEGF signaling, and antibody biology: it serves as a well-defined positive control in VEGF neutralization and binding assays, a reference reagent for developing or benchmarking ELISAs and SPR/BLI methods, an isotype-matched human IgG1 comparator, and a starting point for ADC or bispecific engineering workflows. It is supplied low endotoxin (research grade under 1 EU/mg, ultra-low under 0.5 EU/mg) and available in bulk milligram-to-gram quantities to support screening, assay development, and preclinical in-vitro and in-vivo model work. It is not the clinical drug and is not intended for human or veterinary use, diagnosis, or treatment.
VEGF-A (gene VEGFA; UniProt P15692) is a secreted, disulfide-linked homodimeric glycoprotein and the prototypical member of the vascular endothelial growth factor family. Alternative splicing generates several isoforms (such as VEGF121, VEGF165, and VEGF189) that differ in heparin and neuropilin binding. VEGF-A is the master regulator of both developmental and pathological angiogenesis: it drives endothelial cell proliferation, migration, survival, and vascular permeability. It signals primarily through the receptor tyrosine kinases VEGFR-1 (FLT1) and VEGFR-2 (KDR), with VEGFR-2 mediating most pro-angiogenic responses, and is modulated by neuropilin co-receptors. Because tumors and other diseased tissues co-opt VEGF-A to build new blood supply, sequestering VEGF-A to block receptor engagement is a central strategy in oncology and ophthalmology, making it a heavily studied node in vascular biology.