Recombinant Human Fms-related Tyrosine Kinase 1, 4 Domains

Cat.No. : FLT1-79H
Product Overview : Recombinant Human Fms-related Tyrosine Kinase 1 D1-4 produced in baculovirus is monomeric, glycosylated, polypeptide containing 457 amino acids and having a molecular mass of 55 kDa. The soluble receptor protein contains only the first 4 extracellular domains, which contain all the information necessary for binding of VEGF. The VEGFR1 is purified by proprietary chromatographic techniques.
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Cat. No. : FLT1-79H
Description : Endothelial cells express three different vascular endothelial growth factor (VEGF) receptors, belonging to the family of receptor tyrosine kinases (RTKs). They are named VEGFR-1 (Flt-1), VEGFR-2 (KDR/Flk-1), VEGFR-3 (Flt-4). Their expression is almost exclusively restricted to endothelial cells, but VEGFR-1 can also be found on monocytes, dendritic cells and on trophoblast cells. The flt-1 gene was first described in 1990. The receptor contains seven immunoglobulin-like extracellular domains, a single transmembrane region and an intracellular splited tyrosine kinase domain. Compared to VEGFR-2 the Flt-1 receptor has a higher affinity for VEGF but a weaker signaling activity. VEGFR-1 thus leads not to proliferation of endothelial cells, but mediates signals for differentiation. Interestingly a naturally occuring soluble variant of VEGFR-1 (sVEGFR-1) was found in HUVE supernatants in 1996, which is generated by alternative splicing of the flt-1 mRNA. The biological functions of sVEGFR-1 still are not clear, but it seems to be an endogenous regulator of angiogenesis, binding VEGF with the same affinity as the full-length receptor.
Source : Insect Cells
Physical Appearance : Sterile Filtered White lyophilized (freeze-dried) powder.
Purity : Greater than 90.0% as determined by: (a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE.GE.
Formulation : VEGFR-1 D1-4 was lyophilized from a concentrated (1mg/ml) sterile solution containing no additives.
Solubility : It is recommended to reconstitute the lyophilized sVEGFR-1 D4 in sterile water not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Biological Activity : The activity of sVEGFR-1D1-4 was determined by its ability to abolish the binding of iodinated VEGF to solid surfaces or cell surfaces, and in Far-Western and cross-linking experiments with iodinated VEGF.
Storage : Lyophilized FLT-1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution FLT1 should be stored at 4°Cbetween 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.
Gene Name : FLT1 fms-related tyrosine kinase 1 (vascular endothelial growth factor/vascular permeability factor receptor) [ Homo sapiens ]
Synonyms : FLT1; fms-related tyrosine kinase 1 (vascular endothelial growth factor/vascular permeability factor receptor); FLT; VEGFR1; vascular endothelial growth factor receptor 1; EC 2.7.10.1; VEGFR-1; Vascular permeability factor receptor; Flt-1; Tyrosine-protein kinase receptor FLT; Tyrosine-protein kinase FRT; Fms-like tyrosine kinase 1; FRT
Gene ID : 2321
mRNA Refseq : NM_001159920
Protein Refseq : NP_001153392
MIM : 165070
UniProt ID : P17948
Chromosome Location : 13q12
Pathway : Cytokine-cytokine receptor interaction; Endocytosis; Focal adhesion; Signaling by VEGF
Function : ATP binding; growth factor binding; identical protein binding; nucleotide binding; receptor activity; transferase activity; vascular endothelial growth factor receptor activity

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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07/08/2019

    the FLT1 protein is an excellent choice for researchers due to its high quality, reliability, and the comprehensive technical support provided by the manufacturer.

    07/17/2018

      The manufacturer of FLT1 protein provides excellent technical support, ensuring that researchers receive prompt assistance and guidance when encountering any challenges or difficulties.

      05/27/2016

        Researchers can confidently incorporate FLT1 protein into their experiments, knowing that they have access to a reliable resource that will meet their experimental needs effectively.

        Q&As (5)

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        How is FLT1 linked to preeclampsia in pregnancy? 08/26/2021

        Elevated levels of soluble FLT1 have been associated with preeclampsia, a pregnancy complication. Soluble FLT1 acts as a decoy receptor, reducing the bioavailability of VEGF and contributing to vascular dysfunction.

        How does FLT1 contribute to retinal diseases such as diabetic retinopathy? 07/23/2021

        FLT1 has been implicated in retinal diseases like diabetic retinopathy, where abnormal blood vessel growth can lead to vision impairment. Inhibiting FLT1 may help regulate angiogenesis in such conditions.

        How is FLT1 expression regulated in the human body? 12/09/2020

        FLT1 expression is regulated by various factors, including VEGF itself, as well as hypoxia and inflammation. These factors influence the balance of angiogenic signaling.

        Can FLT1 be a biomarker for certain diseases? 12/01/2018

        Yes, elevated levels of soluble FLT1 have been investigated as potential biomarkers for conditions like preeclampsia, cancer, and certain cardiovascular diseases.

        Can FLT1 be targeted for anti-angiogenic therapy? 09/20/2017

        Yes, targeting FLT1 is a strategy for anti-angiogenic therapy. Inhibiting FLT1 can impede blood vessel formation, limiting the blood supply to tumors and potentially slowing their growth.

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