Rabbit Polyclonal VEGFA antibody. Suitable for WB, IHC-P and reacts with Human samples. Cited in 22 publications. Immunogen corresponding to Synthetic Peptide within Human VEGFA aa 100-150.
pH: 7.4
Preservative: 0.05% Sodium azide
Constituents: 50% Glycerol (glycerin, glycerine), 49% PBS
WB | IHC-P | |
---|---|---|
Human | Tested | Tested |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/450.00000 - 1/2000.00000 | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/25.00000 - 1/100.00000 | Notes - |
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N-VEGF. Participates in the induction of key genes involved in the response to hypoxia and in the induction of angiogenesis such as HIF1A (PubMed:35455969). Involved in protecting cells from hypoxia-mediated cell death (By similarity). VEGFA. Growth factor active in angiogenesis, vasculogenesis and endothelial cell growth (PubMed:34530889). Induces endothelial cell proliferation, promotes cell migration, inhibits apoptosis and induces permeabilization of blood vessels. Binds to the FLT1/VEGFR1 and KDR/VEGFR2 receptors, heparan sulfate and heparin. Binds to the NRP1/neuropilin-1 receptor. Binding to NRP1 initiates a signaling pathway needed for motor neuron axon guidance and cell body migration, including for the caudal migration of facial motor neurons from rhombomere 4 to rhombomere 6 during embryonic development (By similarity). Also binds the DEAR/FBXW7-AS1 receptor (PubMed:17446437). Isoform VEGF165B. Binds to the KDR receptor but does not activate downstream signaling pathways, does not activate angiogenesis and inhibits tumor growth.
VEGF, VEGFA, L-VEGF, Vascular permeability factor, VPF
Rabbit Polyclonal VEGFA antibody. Suitable for WB, IHC-P and reacts with Human samples. Cited in 22 publications. Immunogen corresponding to Synthetic Peptide within Human VEGFA aa 100-150.
pH: 7.4
Preservative: 0.05% Sodium azide
Constituents: 50% Glycerol (glycerin, glycerine), 49% PBS
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Vascular endothelial growth factor A (VEGFA) also known as VEGF or vascular permeability factor (VPF) is a protein that plays a central role in angiogenesis as well as in the growth of blood vessels. The molecular weight of VEGFA varies depending on the isoform typically ranging from 34 to 42 kDa. VEGFA is expressed in many tissues including fibroblasts macrophages endothelial cells and platelets. Its expression levels can increase in response to stimuli like hypoxia or inflammatory cytokines. VEGFA is an important target in research for therapies related to vascular diseases and cancer.
VEGFA functions by promoting the proliferation and migration of vascular endothelial cells. It operates both as a homodimer and as part of complex signaling cascades interacting with VEGF receptors on cell surfaces to trigger downstream signals for angiogenesis. This includes endothelial cell growth migration and the new blood vessel formation process. VEGFA's activity is important for physiological processes such as wound healing and embryonic development and it also contributes to pathological conditions through its unregulated expression in diseases.
Many processes involve VEGFA including the PI3K/AKT pathway and the MAPK/ERK pathway. These pathways regulate cell survival growth and differentiation. Other proteins like PLGF (placenta growth factor) and VEGFB often accompany VEGFA in these pathways aiding in distinct but overlapping roles. These interactions are transmitted through binding to VEGF receptors such as VEGFR-1 and VEGFR-2 subsequently activating various signaling cascades necessary for cellular and tissue homeostasis.
VEGFA relates to cancer and age-related macular degeneration among others. In cancer overexpression of VEGFA can lead to excessive angiogenesis supplying blood to tumors and facilitating tumor growth. In age-related macular degeneration upregulation of VEGFA contributes to the progression of the disease by promoting the formation of abnormal blood vessels under the retina. Anti-VEGFA therapies such as anti-VEGF antibodies (e.g. bevacizumab) can target these overexpressed pathways. VEGFA interacts with other proteins like HIF-1α which regulates its expression under hypoxia a common condition in tumors.
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Immunohistochemical analysis of paraffin embedded Human liver cancer tissue labeling VEGFA with ab183100 at 1/25 dilution. Image on the right is treated with the synthetic peptide.
All lanes: Western blot - Anti-VEGFA antibody (ab183100) at 1/450 dilution
Lane 1: Hela cell lysate at 40 µg
Lane 2: Jurkat cell lysate at 40 µg
Lane 3: 293T cell lysate at 40 µg
Lane 4: 231 cell lysate at 40 µg
All lanes: Goat anti Rabbit IgG - H&L (HRP) at 1/10000 dilution
Predicted band size: 27 kDa
Exposure time: 2min
All lanes: Western blot - Anti-VEGFA antibody (ab183100) at 1/1000 dilution
Lane 1: HeLa (human epithelial cell line from cervix adenocarcinoma) cell lysate at 30 µg
Lane 2: HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) cell lysate at 30 µg
Lane 3: HepG2 (human liver hepatocellular carcinoma cell line) cell lysate at 30 µg
Lane 4: HT29 cell lysate at 30 µg
Lane 5: MDA-MB-231 (human breast adenocarcinoma cell line) cell lysate at 30 µg
Lane 6: A549 (human lung carcinoma cell line) cell lysate at 30 µg
Lane 7: SK-OV-3 (human ovarian cancer cell line) cell lysate at 30 µg
All lanes: Goat anti Rabbit IgG - H&L (HRP) at 1/100 dilution
Developed using the ECL technique.
Predicted band size: 27 kDa
Exposure time: 2min
Image collected and cropped by CiteAb under a CC-BY license from the publication
VEGFA western blot using anti-VEGFA antibody ab183100. Publication image and figure legend from Wei, X., Zhang, K., et al., 2018, BMC Cancer, PubMed 29843634.
ab183100 was used in this publication in western blot. This may not be the same as the application(s) guaranteed by Abcam. For a full list of applications guaranteed by Abcam for ab183100 please see the product overview.
Widespread changes of gene expressions and critical pathways in human lung adenocarcinoma cells A549 with GMDS knockdown. a Heatmap containing 739 differentially expressed genes in human lung adenocarcinoma cell line A549 infected with lentivirus expressing either Scr-shRNA (purple) or GMDS-shRNA (red) with the criteria P < 0.05 and ▏fold change ▏ > 1.5. Genes and samples were listed in rows and columns, respectively. A colour standard for normalized expression data was shown at the bottom of the microarray heatmap (green represents downregulated genes while red represents upregulated genes). b Gene expression changes identified in microarray were confirmed using real-time quantitative PCR for selected genes CASP8, MAP3K7, CDKN1A, FAS, JUN, DDIT3, VEGFA, SKA1 and MAD2L1 in human lung adenocarcinoma cell line A549 infected with lentivirus expressing either Scr-shRNA or GMDS-shRNA. Histogram shown here was one out of three independent experiments (p < 0.01) and normalized to GAPDH. c Protein level of FAS, VEGFA, DDIT3, JUN and CDKN1A in human human lung adenocarcinoma cell line A549 infected with lentivirus expressing either Scr-shRNA or GMDS-shRNA. GAPDH was used as internal control. d Caspase3/7 activity analysis in A549 cells and H1299 cells infected with lentivirus expressing either Scr-shRNA or GMDS-shRNA. Data shown are the mean ± SEM of caspase3/7 activity from three independent experiments (**, p < 0.01)
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