Human MSP/MST1 Antibody
R&D Systems, part of Bio-Techne | Catalog # AF352
Key Product Details
Validated by
Biological Validation
Species Reactivity
Validated:
Human
Cited:
Human, Mouse
Applications
Validated:
Neutralization, Western Blot
Cited:
Co-Immunoprecipitation, Flow Cytometry, Immunohistochemistry-Paraffin, Neutralization, Western Blot
Label
Unconjugated
Antibody Source
Polyclonal Goat IgG
Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human MSP/MST1
Gln19-Gly711
Accession # AAA59872
Gln19-Gly711
Accession # AAA59872
Specificity
Detects human MSP/MST1 in direct ELISAs and Western blots. In direct ELISAs and Western blots, less than 5% cross‑reactivity with recombinant human HGF is observed.
Clonality
Polyclonal
Host
Goat
Isotype
IgG
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Scientific Data Images for Human MSP/MST1 Antibody
Chemotaxis Induced by MSP and Neutralization by Human MSP Antibody.
Recombinant Human MSP (Catalog # 352-MS) chemoattracts mouse peritoneal resident macrophages in a dose-dependent manner (orange line). The amount of cells that migrated through the filter was measured by LeukoStat™ staining (Fisher Scientific). Chemotaxis elicited by Recombinant Human MSP (50 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human MSP Antigen Affinity-purified Polyclonal Antibody (Catalog # AF352). The ND50 is typically 0.05-0.2 µg/mL.
Detection of Mouse MSP/MST1 by Flow Cytometry
TGFRI and TGFRII association in fibulin-6 KD cells upon TGF-beta stimulus.scr siRNA or fibulin-6 siRNA transfected nCF, after TGF-beta stimulation are subjected to (a) FACS analysis. No difference in the amount of TGF betaRI and TGF betaRII on the surface of control and fibulin-6 KD cells was observed. (b) Immuno-precipitation of TGFRII from cell lysates of scr transfected and TGF-beta stimulated cells, shows more accumulation of TGFRI after western blotting compared to non TGF-beta treated nCF. (c) Immuno-precipitation of TGFRII followed by WB for TGFRI from cell lysates of scr transfected or fibulin-6 KD cells after TGF-beta stimulation display reduced association of receptors in fibulin-6 KD condition. The control input lanes shows no difference and IgG control is also clean (n = 4, p < 0.05). (d) Phosphorylation status of TGFRI was analyzed by western blot using phospho-TGFRI specific antibody. Densitometric analysis of western blot display decreased phosphorylation of TGFRI in fibulin-6 KD cells after TGF-beta stimulation compared to control cells (n = 5, p < 0.01, nonparametric Mann-Whitney U test). Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/28209981), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse MSP/MST1 by Immunoprecipitation
TGFRI and TGFRII association in fibulin-6 KD cells upon TGF-beta stimulus.scr siRNA or fibulin-6 siRNA transfected nCF, after TGF-beta stimulation are subjected to (a) FACS analysis. No difference in the amount of TGF betaRI and TGF betaRII on the surface of control and fibulin-6 KD cells was observed. (b) Immuno-precipitation of TGFRII from cell lysates of scr transfected and TGF-beta stimulated cells, shows more accumulation of TGFRI after western blotting compared to non TGF-beta treated nCF. (c) Immuno-precipitation of TGFRII followed by WB for TGFRI from cell lysates of scr transfected or fibulin-6 KD cells after TGF-beta stimulation display reduced association of receptors in fibulin-6 KD condition. The control input lanes shows no difference and IgG control is also clean (n = 4, p < 0.05). (d) Phosphorylation status of TGFRI was analyzed by western blot using phospho-TGFRI specific antibody. Densitometric analysis of western blot display decreased phosphorylation of TGFRI in fibulin-6 KD cells after TGF-beta stimulation compared to control cells (n = 5, p < 0.01, nonparametric Mann-Whitney U test). Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/28209981), licensed under a CC-BY license. Not internally tested by R&D Systems.Applications for Human MSP/MST1 Antibody
Application
Recommended Usage
Western Blot
0.1 µg/mL
Sample: Recombinant Human MSP (Catalog # 352-MS)
Sample: Recombinant Human MSP (Catalog # 352-MS)
Neutralization
Measured by its ability to neutralize MSP-induced chemotaxis in mouse peritoneal resident macrophages. Ming-Hai, W. et al. (1994) J. Biol. Chem. 269:3436‑3440. The Neutralization Dose (ND50) is typically 0.05-0.2 µg/mL in the presence of 50 ng/mL Recombinant Human MSP.
Reviewed Applications
Read 1 review rated 4 using AF352 in the following applications:
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
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% 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
- Wang, M.-H. et al. (2002) Scand. J. Immunol. 56:545.
- Han, S. et al. (1991) Biochemistry 30:9768.
- Muraoka, R.S. et al. (1999) Endocrinology 140:187.
- Wang, M.-H. et al. (1996) J. Clin. Invest. 97:720.
- Nanney, L.B. et al. (1998) J. Invest. Dermatol. 111:573.
- Bhatt, A.S. et al. (2007) Proc. Natl. Acad. Sci. 104:5771.
- Wang, M.-H. et al. (1997) J. Biol. Chem. 272:16999.
- Danilkovitch, A. et al. (1999) J. Biol. Chem. 274:29937.
- Wang, M.-H. et al. (1996) Exp. Cell Res. 226:39.
- Kurihara, N. et al. (1998) Exp. Hematol. 26:1080.
- Morrison, A.C. et al. (2004) J. Immunol. 172:1825.
- Liu, Q.P. et al. (1999) J. Immunol. 163:6606.
Long Name
Macrophage Stimulating Protein/Macrophage Stimulating 1 [Hepatocyte Growth Factor-like]
Alternate Names
HGFL, MST1, SF2
Gene Symbol
MST1
UniProt
Additional MSP/MST1 Products
Product Documents for Human MSP/MST1 Antibody
Product Specific Notices for Human MSP/MST1 Antibody
For research use only
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