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PDGF BB Human
英文名稱:PDGF BB Human總訪問:305
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產(chǎn)地/品牌:prospec產(chǎn)品類別:細(xì)胞生物學(xué)試劑
規(guī)       格:CYT-501 最后更新:2024-12-5
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Catalogue Number CYT-501
Synonyms Glioma-derived growth factor, GDGF, Osteosarcoma-derived Growth Factor, ODGF, SIS, SSV, PDGF2, c-sis, FLJ12858, PDGF-BB, PDGF B-chain, Platelet-derived growth factor beta polypeptide, Becaplermin.
Introduction PDGF-BB is a member of the platelet-derived growth factor family. The four members of this family are mitogenic factors for cells of mesenchymal origin and are characterized by a motif of eight cysteines. This gene product can exist either as a homodimer (PDGF-BB) or as a heterodimer with the platelet-derived growth factor alpha polypeptide (PDGF-AB), where the dimers are connected by disulfide bonds. Mutations in this gene are associated with meningioma. Reciprocal translocations between chromosomes 22 and 7, at sites where this gene and that for COL1A1 are located, are associated with a particular type of skin tumor called dermatofibrosarcoma protuberans resulting from unregulated expression of growth factor. Two splice variants have been identified for this gene.
Description

Platelet-Derived Growth Factor BB Human Recombinant is a homodimeric, non-glycosylated, polypeptide chain containing 2x109 amino acids (218 amino acids in total) and having a molecular mass of 24.3 kDa. PDGF-BB is purified by proprietary chromatographic techniques.

Source Escherichia Coli.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from 10mM Acetic Acid.
Solubility It is recommended to reconstitute the lyophilized Platelet-derived Growth Factor-BB in 100mM Acetic Acid.
Stability Lyophilized Platelet-derived Growth Factor BB although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution PDGF BB should be stored at 4°C between 2-7 days and for future use below -18°C.
Please prevent freeze-thaw cycles.
Purity Greater than 95.0% as determined by(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.
Amino acid sequence

SLGSLTIAEP AMIAECKTRT EVFEISRRLI DRTNANFLVW PPCVEVQRCS GCCNNRNVQC RPTQVQLRPV QVRKIEIVRK KPIFKKATVT LEDHLACKCE TVAAARPVT.

Biological Activity The ED50, calculated by the dose-dependant proliferation of BALB/c 3T3 indicator cells (measured by 3H-thymidine uptake) is < 1ng/ml, corresponding to a Specific Activity of 1MIU/mg.
Protein content Protein quantitation was carried out by two independent methods
1. UV spectroscopy at 280 nm using the absorbency value of 0.55 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
2. Analysis by RP-HPLC, using a standard solution of PDGF-BB as a Reference Standard.
References 1.Title:Platelet-derived growth factor mediates survival of leukemic large granular lymphocytes via an autocrine regulatory pathway.
Publication:Published online before print October 30, 2009, doi: 10.1182/blood-2009-06-223719 Blood January 7, 2010 vol. 115 no. 1 51-60 .
Link:http://bloodjournal.hematologylibrary.org/content/115/1/51.full

2.Title:Imatinib attenuates skeletal muscle dystrophy in mdx mice.
 Publication:Published online before print March 16, 2009, doi: 10.1096/fj.09-129833 August 2009 The FASEB Journal vol. 23 no. 8 2539-2548.
Link:http://www.fasebj.org/content/23/8/2539.full

2.Title:Human Cord Blood-Derived Endothelial Progenitor Cells and Their Conditioned Media Exhibit Therapeutic Equivalence for Diabetic Wound Healing .
Publication:
  • Cell Transplantation
  • ISSN: 0963-6897
  • DOI: 10.3727/096368910X516637
  • Volume 19, Issue 12, pages 1635-1644
  • Copyright © 2010 Cognizant Comm. Corp.

  • Link:http://www.ingentaconnect.com/content/cog/ct/2010/00000019/00000012/art00011

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