OSM Human

Oncostatin-M Human Recombinant

Oncostatin-M Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 227 amino acids and having a molecular mass of 26kDa.
The OSM is purified by proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT24976
Source
Escherichia Coli.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.

OSM Human, 195 a.a

Oncostatin-M Human Recombinant (195 a.a.)

Oncostatin-M Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 195 amino acids and having a molecular mass of 22kDa.
The OSM is purified by proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT25063
Source
Escherichia Coli.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.

OSM Human, 209 a.a

Oncostatin M Human Recombinant (209 a.a.)

Oncostatin-M (209 a.a.) Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 209 amino acids and having a molecular mass of 23.9kDa.
The Oncostatin-M (209 a.a.) is purified by proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT25176
Source
Escherichia Coli.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.

OSM Human, His

Oncostatin-M Human Recombinant, His Tag

OSM Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 230 amino acids (26-234) and having a molecular mass of 25.9 kDa.
The OSM is fused to a 21 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT25247
Source
Escherichia Coli.
Appearance
Sterile Filtered colorless solution.

OSM Mouse

Oncostatin-M Mouse Recombinant

OSM Mouse Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 181 amino acids and having a molecular mass of 20.4kDa.
The OSM is purified by proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT25341
Source
Escherichia Coli.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.

OSM Rat

Oncostatin-M Rat Recombinant

OSM Rat Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 214 amino acids and having a molecular mass of 24.3kDa.
The OSM is purified by proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT25436
Source
Escherichia Coli.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Definition and Classification

Oncostatin M (OSM) is a pleiotropic cytokine that belongs to the interleukin-6 (IL-6) family of cytokines . It is closely related to leukemia inhibitory factor (LIF) in both structure and function . OSM is encoded by the OSM gene located on chromosome 22 in humans .

Biological Properties

Key Biological Properties: OSM is known for its cytokine activity, receptor binding, and growth factor activity . It plays a significant role in various biological processes, including immune response, cell proliferation, and inflammation .

Expression Patterns and Tissue Distribution: OSM is expressed in various tissues, including bone marrow cells, monocytes, blood, nasal epithelium, appendix, granulocytes, gallbladder, and spleen . It is also found in the central nervous system (CNS), where it interacts with CNS resident cells .

Biological Functions

Primary Biological Functions: OSM is involved in hematopoiesis, neuropoiesis, inflammation, bone remodeling, muscle proliferation, and embryonic development . It also plays a role in immune responses and pathogen recognition .

Role in Immune Responses and Pathogen Recognition: OSM is crucial in the immune system’s communication and signaling, particularly in the CNS . It helps in the regulation of inflammatory responses and immune surveillance .

Modes of Action

Mechanisms with Other Molecules and Cells: OSM primarily activates the Janus kinase (JAK)/signal transducer and activator of transcription (STAT) signaling pathway, the mitogen-activated protein kinase (MAPK) signaling pathway, and other physiological processes .

Binding Partners and Downstream Signaling Cascades: OSM binds to receptors via two binding sites named site II and site III . It signals through cell surface receptors that contain the protein gp130. The type I receptor is composed of gp130 and LIFR, while the type II receptor is composed of gp130 and OSMR .

Regulatory Mechanisms

Regulatory Mechanisms Controlling Expression and Activity: OSM expression and activity are regulated through various signaling pathways, including JAK/STAT, MAPK, JNK, and PI3K/AKT pathways . These pathways are crucial for its role in inflammation, immune response, and cell proliferation .

Transcriptional Regulation and Post-Translational Modifications: OSM’s regulatory mechanisms involve transcriptional regulation and post-translational modifications, which are essential for its diverse biological functions .

Applications

Biomedical Research: OSM is used in research related to liver cancer, where it plays a significant role in inflammation, autoimmunity, and cancer . It is also studied for its role in the tumor microenvironment and its potential as an immunotherapeutic target .

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