Recombinant Mouse Oncostatin M (OSM) Protein Summary
| Details of Functionality |
Measured in a cell proliferation assay using NIH-3T3 mouse embryonic fibroblast cells. The ED 50 for this effect is 0.25-1 ng/mL. |
| Source |
E. coli-derived mouse Oncostatin M/OSM protein Ala24-Arg206, with an N-terminal Met |
| Accession # |
|
| N-terminal Sequence |
Met |
| Protein/Peptide Type |
Recombinant Proteins |
| Gene |
Osm |
| Purity |
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain |
| Endotoxin Note |
<0.01 EU per 1 μg of the protein by the LAL method. |
Applications/Dilutions
| Dilutions |
|
| Theoretical MW |
21 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
| Publications |
Read Publications using 495-MO in the following applications:
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Packaging, Storage & Formulations
| Storage |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 degreesC as supplied. 1 month, 2 to 8 degreesC under sterile conditions after reconstitution. 3 months, -20 to -70 degreesC under sterile conditions after reconstitution. |
| Buffer |
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. |
| Purity |
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain |
| Reconstitution Instructions |
Reconstitute at 25 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Mouse Oncostatin M (OSM) Protein
Background
Oncostatin M (OSM) is a member of a cytokine subfamily that includes IL-6, IL-11, LIF, CNTF, and cardiotrophin-1. These cytokines have overlapping biological functions and shared receptor components. Mouse OSM was cloned and identified as an immediate early gene induced in various myeloid and lymphoid cell lines by a subset of cytokines including IL-2, IL-3, GM-CSF and EPO. The mouse OSM cDNA encodes a 263 amino acid residue precursor protein that shows 48% identity with human OSM. Similar to human OSM, the C-terminal region of mouse OSM contains a highly charged region. Deletion of this C-terminal region appears to be essential for the formation of biologically active mOSM. The biological activity of human OSM has been shown to be mediated either by the LIF/OSM receptor complex composed of gp130 and LIF R alpha or by a human OSM specific receptor composed of gp130 and OSM R alpha . It remains to be determined if the biological activities of mouse OSM can also be mediated by both receptor complexes in mouse cells.
- Yoshimura, A. et al. (1996) The EMBO Journal 15:1055.
- Ray, P. et al. (1996) Endocrinology 137:1151.
- Rose, T.M. and A.G. Bruce (1994) in Guidebook to Cytokines and Their Receptors, N.A. Nicola, editor, Oxford University Press, New York, p. 127.
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