SAE0112
β2-Microglobulin from human urine
≥98% (SDS-PAGE), solution
Synonym(s):
β2-Microglobulin from human urine
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About This Item
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biological source
human
Assay
≥98% (SDS-PAGE)
form
solution
impurities
Infectious Agents, tested
solubility
water: soluble
UniProt accession no.
storage temp.
2-8°C
Gene Information
human ... B2M(567)
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General description
Research area: Cancer
β2 microglobulin (β2-M) is a polypeptide that associates with the heavy chain of class I major histocompatibility complex (MHC) antigens on the cell surface. It is a non-glycosylated protein, synthesized by all nucleated cells. Its secondary structure comprises of seven β-strands, arranged into two β-sheets connected by a single disulfide bridge.
β2 microglobulin (β2-M) is a polypeptide that associates with the heavy chain of class I major histocompatibility complex (MHC) antigens on the cell surface. It is a non-glycosylated protein, synthesized by all nucleated cells. Its secondary structure comprises of seven β-strands, arranged into two β-sheets connected by a single disulfide bridge.
Application
β2-Microglobulin from human urine was used to test humoral CSF parameters in the differential diagnosis of hematologic CNS neoplasia. It was also used in the identification of CTL epitopes in hepatitis C virus by a genome-wide computational scanning and a rational design of peptide vaccine.
Biochem/physiol Actions
The interaction of β2 microglobulin (β2-M) with major histocompatibility complex (MHC) is dynamic and plays a critical role in the stability of the MHC antigens and their ability to present peptide antigens in CD8+ cells. A transient complex of MHC heavy chain and β2-M is known to be assembled into the TAP molecule (transporter associated with antigen processing) through interactions with a number of chaperones. Binding of processed peptide releases the Class I-β2-M complex to the cell surface. Absence of binding leads to degradation in the proteasome. β2-M serves as a regulator of cell survival, proliferation, migration, invasion, apoptosis, angiogenesis, and metastasis in cancer cells. It is also recognized for promoting the growth and survival of stromal cells, such as mesenchymal stem cells (MSCs), osteoblasts, and osteoclasts, thereby supporting cancer bone metastasis.
Preparation Note
Prepared by the method of Berggard and Bearn.
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Find documentation for the products that you have recently purchased in the Document Library.
?2-Microglobulin: emerging as a promising cancer therapeutic target
Shi C, et al.
Drug Discovery Today, 14(1-2), 25-30 (2009)
The Implication and Significance of Beta 2 Microglobulin: A Conservative Multifunctional Regulator
Li L, et al.
Chinese Medical Journal (English Edition), 129(4), 448-455 (2016)
?2-Microglobulin-mediated Signaling as a Target for Cancer Therapy
Nomura T, et al.
Anticancer Agents in Medicinal Chemistry, 14(3), 343?352-343?352 (2014)
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