| Field | Specification |
|---|---|
| Target | |
| Alternative names | Vascular endothelial growth factor A;VEGF-A;Vascular permeability factor;VPF;VEGFA;VEGF; |
| Gene ID | |
| UniProt # | |
| Reactivity | |
| Applications | |
| Immunogen | Expression system for standard: NS0; Immunogen sequence: A27-R191 |
| Expression system | |
| Expression region | |
| Assay type | |
| Sample type(s) | Cell Culture Supernatant, Serum, Plasma |
| Sensitivity | |
| Detection range | |
| Assay time | |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Assay Principle
This sandwich ELISA quantifies human vascular endothelial growth factor A, long form (gene VEGFA) in cell culture supernatants, serum and plasma (heparin, EDTA, citrate). Strips are pre-coated with a capture antibody. After the sample is added, a biotinylated detection antibody binds the captured protein, and an avidin–biotin–peroxidase complex supplies the enzyme. TMB develops color in proportion to the bound target; the reaction is stopped and read at 450 nm, and concentrations are read from the standard curve.
VEGF-A is the main vascular endothelial growth factor that drives angiogenesis. Produced in response to hypoxia, it binds VEGFR1 and VEGFR2 on endothelial cells to promote their proliferation, migration and survival and to increase vascular permeability. VEGF-A is widely studied in vascular development, wound healing, eye disease and tumor angiogenesis.
Kit Components
| Anti-Human VEGFA Pre-coated 96-well strip microplate | 1 plate (96 wells) |
|---|---|
| Human VEGFA Standard | 2 vials, 10 ng/tube |
| Human VEGFA Biotinylated antibody (100x) | 100 µL |
| Avidin-Biotin-Peroxidase Complex (100x) | 100 µL |
| Sample Diluent | 30 mL |
| Antibody Diluent | 12 mL |
| Avidin-Biotin-Peroxidase Diluent | 12 mL |
| Color Developing Reagent (TMB) | 10 mL |
| Stop Solution | 10 mL |
| Wash Buffer (25x) | 20 mL |
| Adhesive plate sealers | 4 |
Also required (not supplied): microplate reader for 450 nm; incubator; automated plate washer (optional); precision pipettes for 0.5 µL through 1 mL volumes of aqueous solutions; multichannel pipettes (recommended for many samples); deionized or distilled water; 500 mL graduated cylinders; test tubes for dilution.
Kit components are not sold separately.
Performance Data
| Species | Human |
|---|---|
| Sample types | Cell culture supernatants, serum and plasma (heparin, EDTA, citrate) |
| Assay range | 31.2 pg/mL–2,000 pg/mL |
| Sensitivity | <1 pg/mL |
| Standard | Recombinant human VEGFA (Ala27–Arg191), expressed in NS0 |
| Cross-reactivity | None detected against related proteins in supplier testing |
| Intra-assay CV | 7.9–9.6% (3 samples, n = 16 each) |
| Inter-assay CV | 7.8–9.6% (3 samples, n = 24 each) |
| Format | 96 wells, removable strips |
Example standard curve (OD450, pg/mL): 0 = 0.019; 31.2 = 0.083; 62.5 = 0.144; 125 = 0.268; 250 = 0.466; 500 = 0.872; 1000 = 1.521; 2000 = 2.789. Run a new standard curve on every plate.
Storage & Handling
Store at 4 °C for up to 6 months or −20 °C for up to 12 months. Avoid repeated freeze–thaw cycles. Ships on gel ice and tolerates up to 3 days at room temperature; freeze on arrival.
Safety
Sample data
| Concentration (pg/ml) | 0 | 31.2 | 62.5 | 125 | 250 | 500 | 1000 | 2000 |
| O.D. | 0.019 | 0.083 | 0.144 | 0.268 | 0.466 | 0.872 | 1.521 | 2.789 |
Intra/inter assay consistency
| Intra-Assay Precision | Inter-Assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 16 | 16 | 16 | 24 | 24 | 24 |
| Mean (pg/ml) | 72 | 270 | 946 | 76 | 254 | 955 |
| Standard deviation | 4.53 | 21.33 | 59.59 | 9.62 | 24.38 | 74.49 |
| CV (%) | 9.6% | 7.9% | 9.6% | 7.8% | 9.6% | 7.8% |
Kit components
Description|Quantity Pre-coated 96-well strip microplate|1 Standard|2 vials Biotinylated antibody (100x)|100ul Avidin-Biotin-Peroxidase Complex (100x)|100ul Sample Diluent|30ml Antibody Diluent|12ml Avidin-Biotin-Peroxidase Diluent|12ml Color Developing Reagent (TMB)|10ml Stop Solution|10ml Wash Buffer (25x)|20ml Adhesive plate sealers|4Materials required but not provided
- Microplate Reader capable of reading absorbance at 450nm.
- Incubator.
- Automated plate washer (optional).
- Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
- Multichannel pipettes are recommended for large amount of samples.
- Deionized or distilled water.
- 500ml graduated cylinders.
- Test tubes for dilution.
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Zhang Zhongyu et al. (2025) Galectin-3-integrin α5β1 phase separation disrupted by advanced glycation end-products impairs diabetic wound healing in rodents. Nature Communications. 10.1038/s41467-025-62320-w
Jun Dai et al. (2020) Modular Peptide Probe for Pre/Intra/Postoperative Therapeutic to Reduce Recurrence in Ovarian Cancer. ACS Nano. 10.1021/acsnano.9b09818
David J. Lundy et al. (2018) Inducing a Transient Increase in Blood–Brain Barrier Permeability for Improved Liposomal Drug Therapy of Glioblastoma Multiforme. ACS Nano. 10.1021/acsnano.8b03785
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Ying Wei et al. (2025) Transplantation of human embryonic stem cell-derived retinal pigment epithelial cells via injectable microfluidic-templated microgels for retinal regeneration. Materials Today Bio. 10.1016/j.mtbio.2025.101880
Cui Lu et al. (2023) Combining decellularized adipose tissue with decellularized adventitia extravascular matrix or small intestinal submucosa matrix for the construction of vascularized tissue-engineered adipose. Acta Biomaterialia. 10.1016/j.actbio.2023.08.060
