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SRP3186 Sigma-Aldrich

Vitronectin human

recombinant, expressed in HEK 293 cells, ≥95% (SDS-PAGE), ≥95% (HPLC), cell culture tested

Synonym: Epiboin, S-Protein, Serum-spreading factor, V75, VTN

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Description

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Physical form

Lyophilized from Phosphate Buffered Saline (PBS), pH 7.4, plus 2.5% trehalose.

Application

Vitronectin human has been used to study the effects of ECM (extracellular matrix) ligands on C6 astroglioma cells. It has also been used as an attachment-promoting protein for coating the cell plates.

Biochem/physiol Actions

The multimeric Vitronectin can efficiently bind to and incorporate into the extracellular matrix. Within the matrix, Vitronectin can support cell adhesion through binding to various integrins and other proteoglycans. Its interaction with integrin αvβ3 enhances hypoxia resistance and tumor cell invasion. It is also associated with cancer progression in various cancers. Vitronectin is involved in wound repair and also controls complement system. It works as a marker of profibrotic activity in liver, heart and kidney.

General description

Vitronectin is a secreted glycoprotein which is synthesized in the liver. It is also secreted by respiratory epithelial cells and is present in healthy lungs. It circulates primarily in monomeric form, but can undergo conformational change to a structure that forms disulfide linked multimers. Recombinant human Vitronectin is a 459 amino acid single chain monomeric protein, which migrates at an apparent molecular weight of 75kDa by SDS-PAGE under reducing conditions. Recombinant vitronectin can function as a chemically defined matrix component in human embryonic stem cell renewal media.

Sequence

DQESCKGRCT EGFNVDKKCQ CDELCSYYQS CCTDYTAECK PQVTRGDVFT MPEDEYTVYD DGEEKNNATV HEQVGGPSLT SDLQAQSKGN PEQTPVLKPE EEAPAPEVGA SKPEGIDSRP ETLHPGRPQP PAEEELCSGK PFDAFTDLKN GSLFAFRGQY CYELDEKAVR PGYPKLIRDV WGIEGPIDAA FTRINCQGKT YLFKGSQYWR FEDGVLDPDY PRNISDGFDG IPDNVDAALA LPAHSYSGRE RVYFFKGKQY WEYQFQHQPS QEECEGSSLS AVFEHFAMMQ RDSWEDIFEL LFWGRTSAGT RQPQFISRDW HGVPGQVDAA MAGRIYISGM APRPSLAKKQ RFRHRNRKGY RSQRGHSRGR NQNSRRPSRA TWLSLFSSEE SNLGANNYDD YRMDWLVPAT CEPIQSVFFF SGDKYYRVNL RTRRVDTVDP PYPRSIAQYW LGCPAPGHL

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

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Cell Culture Guide
Protocols & Articles

Protocols

Coating Tissue Culture Plates with Vitronectin

Vitronectin is used to coat culture vessels for cells attachment. Below is a suggested coating protocol for a 96-well plate, at a coating concentrations of 0.5 µg/cm2. Note that the optimal concentra...
Keywords: Cell attachment, PAGE

Serum free cancer cell line media

Historically, cancer cell lines have been cultured almost exclusively in culture media supplemented with significant amounts of fetal bovine serum (FBS). Like other undefined media supplements, fetal...
Keywords: Adhesion, Cancer, Cell culture, Culture media, Endocrinology, Genetic, Genomics, Hormones, Inflammation

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Peer-Reviewed Papers
15

References

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