Human Oncostatin M HEK293 Overexpression Lysate

Cat: 10452-HNAHL
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Human Oncostatin M HEK293 Overexpression Lysate 产品信息
Product Description
This Human Oncostatin M overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of Oncostatin M protein (Cat: 10452-HNAH) from the overexpression lysate was verified.
Expression Host
HEK293 Cells
Species
Human
Sequence Information
A DNA sequence encoding the human OSM (NP_065391.1) (Met1-Arg221) was expressed.
Molecule Mass
The recombinant human OSM consists 196 amino acids and predicts a molecular mass of 22.2 kDa.
Human Oncostatin M HEK293 Overexpression Lysate Usage Guide
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Lysis Buffer
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Recommend Usage
1.  Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube. 2.  Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
Sample Buffer
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
Stability & Storage
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
Application
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.
Oncostatin M Background Information

Oncostatin M (OSM) is a glycoprotein belonging to the interleukin-6 family of cytokines that has functions mainly in cell growth. Oncostatin M (OSM) is considered as a pleiotropic cytokine that signals through cell surface receptors typeⅠand typeⅡ both of which share the similarity of containing protein gp130 and takes part in many biometabolism processes including liver development, haematopoeisis, inflammation, bone formation and destruction and possibly CNS development. Oncostatin M (OSM) was previoustly identified by its ability to inhibit the growth of cells from melanoma and other solid tumors. It also has been reported that OSM, like LIF, IL-6 and G-CSF, has the ability to inhibit the proliferation of murine M1 myeloid leukemic cells and can induce their differentiation into macrophage-like cells. The human form of OSM is insensitive between pH2 and 11 and resistant to heating for one hour at 56 degree but is not stable at 90 degrees. The human OSM is produced as a precursor containing 252 amino acids, whose first 25 amino acids function as a secretory signal peptide and which on removal yields the soluble 227 amino acid pro-OSM. Removal of the C-teminal most 31 amino acids produces the fully active 196 residue form.

Full Name
oncostatin M
References
  • Tanaka M, et al. (2003) Oncostatin M, a multifunctional cytokine. Rev Physiol Biochem Pharmacol. Reviews of Physiology, Biochemistry and Pharmacology. 149: 39-52.
  • Auguste P, et al. (1997) Signaling of type II oncostatin M receptor. J Biol Chem. 272 (25): 15760-4.
  • Zarling JM, et al. (1986). Oncostatin M: a growth regulator produced by differentiated histiocytic lymphoma cells. Proc Natl Acad Sci. 83 (24): 9739-43.
  • Mouse Overexpression Lysate

    Product Name Cat.No.
    Mouse Oncostatin M HEK293 Overexpression Lysate 50112-M08HL

    Human Overexpression Lysate

    Product Name Cat.No.
    Human Oncostatin M HEK293 Overexpression Lysate 10452-H08HL
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