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Recombinant Human MSP/MST1 beta Chain Protein, CF

Catalog #: 635-MS/CF
1 Citation Datasheet / COA / SDS

Discontinued Product

635-MS/CF has been discontinued.
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Recombinant Human MSP/MST1 beta Chain Protein, CF Summary

Product Specifications

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. Immobilized rhMSP beta chain at 5 µg/mL (100 µL/well) can bind rhMSP R with a linear range of 2.34-150 ng/mL.
Source
Mouse myeloma cell line, NS0-derived human MSP/MST1 protein
Val484-Gly711
Accession #
AAA59872
N-terminal Sequence
Analysis
Val484
Predicted Molecular Mass
25 kDa
SDS-PAGE
30 kDa, reducing conditions

Product Datasheets

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635-MS/CF (carrier free)

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

635-MS/CF

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Reconstitution Calculator

Background: MSP/MST1

Macrophage stimulating protein (MSP), also known as HGF-like protein, and scatter factor-2, is a member of the HGF family of growth factors (1). MSP is secreted as an inactive single chain precursor (pro-MSP) that contains a PAN/APPLE-like domain, four kringle domains, and a peptidase S1 domain which lacks enzymatic activity (2). Human MSP shares 79% amino acid (aa) sequence identity with mouse MSP and 44% aa sequence identity with human HGF. Pro-MSP is secreted by hepatocytes under the positive and negative control of CBP in complex with either HNF-4 or RAR, respectively (3). Circulating pro-MSP is proteolytically cleaved in response to tissue injury to yield biologically active disulfide linked heterodimers consisting of a 45 - 62 kDa alpha and a 25 - 35 kDa beta chain (4, 5). Pro-MSP can be activated by MT-SP1, a transmembrane protease that is expressed on macrophages and is upregulated in many cancers (6). Heterodimeric MSP as well as the isolated beta chain bind to MSP R/Ron with high-affinity, although only heterodimeric MSP can induce receptor dimerization and signaling (7, 8). MSP induces macrophage and keratinocyte proliferation and osteoclast activation (9, 10). It also inhibits LPS- or IFN-induced iNOS and IL-12 expression by macrophages and prevents apoptosis of epithelial cells separated from the ECM (11, 12).

References
  1. Wang, M.-H. et al. (2002) Scand. J. Immunol.56:545.
  2. Han, S. et al. (1991) Biochemistry 30:9768.
  3. Muraoka, R.S. et al. (1999) Endocrinology 140:187.
  4. Wang, M.-H. et al. (1996) J. Clin. Invest. 97:720.
  5. Nanney, L.B. et al. (1998) J. Invest. Dermatol. 111:573.
  6. Bhatt, A.S. et al. (2007) Proc. Natl. Acad. Sci. 104:5771.
  7. Wang, M.-H. et al. (1997) J. Biol. Chem. 272:16999.
  8. Danilkovitch, A. et al. (1999) J. Biol. Chem. 274:29937.
  9. Wang, M.-H. et al. (1996) Exp. Cell Res. 226:39.
  10. Kurihara, N. et al. (1998) Exp. Hematol. 26:1080.
  11. Morrison, A.C. et al. (2004) J. Immunol. 172:1825.
  12. Liu, Q.P. et al. (1999) J. Immunol. 163:6606.
Long Name
Macrophage Stimulating Protein/Macrophage Stimulating 1 [Hepatocyte Growth Factor-like]
Entrez Gene IDs
4485 (Human); 15235 (Mouse); 24566 (Rat)
Alternate Names
D3F15S2; EC 3.4.21; hepatocyte growth factor-like protein homolog; HGFL; HGFLhepatocyte growth factor-like protein; macrophage stimulating 1 (hepatocyte growth factor-like); Macrophage stimulatory protein; Macrophage-stimulating protein; MSP; MSPDNF15S2; MST1; NF15S2; SF2

Citation for Recombinant Human MSP/MST1 beta Chain Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Coordinate expression and functional profiling identify an extracellular proteolytic signaling pathway.
    Authors: Bhatt AS, Welm A, Farady CJ, Vasquez M, Wilson K, Craik CS
    Proc. Natl. Acad. Sci. U.S.A., 2007-03-27;104(14):5771-6.
    Species: Human
    Sample Types:
    Applications: Enzyme Assay Substrate

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