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VEGF （121 a.a.） Human, Sf9/重組人血管內(nèi)皮生長因子（121 a.a.）, Sf9 CYT-200

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VEGF (121 a.a.) Human, Sf9/重組人血管內(nèi)皮生長因子(121 a.a.), Sf9 產(chǎn)品編號：CYT-200
產(chǎn)品規(guī)格：2μg/10μg/1mg

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VEGF （121 a.a.） Human, Sf9/重組人血管內(nèi)皮生長因子（121 a.a.）, Sf9

產(chǎn)品編號：CYT-200
產(chǎn)品規(guī)格：2μg/10μg/1mg

Synonyms	Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
Introduction	Vascular endothelial growth factor is an important signaling protein involved in both vasculogenesis and angiogenesis. As its name implies, VEGF activity has been mostly studied on cells of the vascular endothelium, although it does have effects on a number of other cell types （e.g. stimulation monocyte/ macrophagemigration, neurons, cancer cells, kidney epithelial cells ）.VEGF mediates increased vascular permeability, induces angiogenesis, vasculogenesis and endothelial cell growth, promotes cell migration, and inhibits apoptosis. In vitro, VEGF has been shown to stimulate endothelial cell mitogenesisand cell migration. VEGF is also a vasodilator and increases microvascular permeability and was originally referred to as vascular permeability factor. Elevated levels of this protein are linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy.
Description	Vascular Endothelial Growth Factor-121 Human Recombinant produced in insect cells as an 18kDa homodimer, is a glycosylated, polypeptide chain containing 121 amino acids and having a molecular mass of approximay 36kDa. VEGF121 circulates more freely than other VEGF forms, which bind more tightly with vascular heparin sulfates. The VEGF-121 is purified by proprietary chromatographic techniques.
Source	Sf9, Insect Cells.
Physical Appearance	Sterile Filtered White lyophilized （freeze-dried） powder.
Formulation	The protein was lyophilized from a concentrated （1mg/ml） solution with no additives.
Solubility	The lyophilized Vascular Endothelial Growth Factor -121 is soluble in water and most aqueous buffers. The lyophilized VEGF-121 should be reconstituted in PBS or medium containing at least 0.1% HSA or BSA to a concentration not lower than 50μg/ml.
Stability	Lyophilized Vascular Endothelial Growth Factor 121 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution VEGF-121 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）. Please prevent freeze-thaw cycles.
Purity	Greater than 90.0% as determined by（a） Analysis by RP-HPLC. （b） Analysis by SDS-PAGE.
Biological Activity	Determined by the dose-dependent stimulation of the proliferation of human umbilical vein endothelial cells （HUVEC） using a concentration range of 2-5 ng/ml, corresponding to a Specific Activity of 5 x 105 IU/mg.
Usage	Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.