H6541
Oncostatin M human
OSM, recombinant, expressed in HEK 293 cells, HumanKine®, suitable for cell culture
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Synonym(s):
OSM
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biological source
human
Quality Level
recombinant
expressed in HEK 293 cells
Assay
≥95% (SDS-PAGE)
form
lyophilized powder
potency
≤0.1-1.5 ng/mL EC50
quality
endotoxin tested
mol wt
dimer 30 kDa (glycosylated)
packaging
pkg of 5X10 μg
pkg of 10 μg
technique(s)
cell culture | mammalian: suitable
impurities
≤1 EU/μg
UniProt accession no.
storage temp.
−20°C
Gene Information
human ... OSM(5008)
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Biochem/physiol Actions
Oncostatin M (OSM), LIF, G-CSF, IL-6, and CNTF are structurally related members of the same cytokine family sharing similarities in their primary amino acid sequences, predicted secondary structure, and receptor components. OSM is a growth-regulating cytokine, affecting a number of tumor and normal cells. This material was first identified by its ability to inhibit the growth of A375 melanoma cells and other human tumor cells, but not inhibit the growth of normal human fibroblasts. It acts synergistically with TGF β1 to inhibit the proliferation of tumor cells like A375 melanoma cells. It induces an increase in LDL receptor expression and LDL uptake by hepatoma cells. OSM activates synovial fibroblast-like cells to produce urokinase type plasminogen activator. OSM is secreted by macrophages and activated T lymphocytes.
Physical form
Lyophilized from a 0.2 μm filtered solution of 1x PBS.
Analysis Note
The activity was determined by the dose-dependent stimulation of the proliferation of human TF-1 cells (humanerythroleukemic indicator cell line)
Legal Information
HumanKine is a registered trademark of Proteintech Group, Inc. and Humanzyme, Inc
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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N Kanda et al.
Allergy, 67(6), 804-812 (2012-04-11)
Skin lesions with atopic dermatitis (AD) are associated with dysregulated expression of LL-37 and enhanced expression of IL-22, thymic stromal lymphopoietin (TSLP), IL-25, IL-31, and oncostatin M. Vitamin D3 enhances LL-37 production in keratinocytes. This study aimed to examine the
Yu-Fan Chen et al.
Hepatology (Baltimore, Md.), 55(4), 1193-1203 (2011-11-19)
Liver transplantation is the only definitive treatment for end-stage cirrhosis and fulminant liver failure, but the lack of available donor livers is a major obstacle to liver transplantation. Recently, induced pluripotent stem cells (iPSCs) derived from the reprogramming of somatic
Yuxin Wang et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(42), 16975-16980 (2013-10-02)
The activation of STAT3 by tyrosine phosphorylation, essential for normal development and for a normal inflammatory response to invading pathogens, is kept in check by negative regulators. Abnormal constitutive activation of STAT3, which contributes to the pathology of cancer and
Vicky Nicolaidou et al.
PloS one, 7(7), e39871-e39871 (2012-07-18)
A major therapeutic challenge is how to replace bone once it is lost. Bone loss is a characteristic of chronic inflammatory and degenerative diseases such as rheumatoid arthritis and osteoporosis. Cells and cytokines of the immune system are known to
Andrea Rinaldi et al.
British journal of haematology, 163(2), 194-204 (2013-08-22)
In a fraction of patients, chronic lymphocytic leukaemia (CLL) can transform to Richter syndrome (RS), usually a diffuse large B-cell lymphoma (DLBCL). We studied genome-wide promoter DNA methylation in RS and clonally related CLL-phases of transformed patients, alongside de novo
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