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HSP27 Antibody: Dylight 405, Monoclonal

HSP27 Antibody: Dylight 405, Monoclonal
366,97 €
Artikelnummer: STRSMC-161B-DY405

Verfügbarkeit: Regellieferzeit: Innerhalb 1 - 2 Wochen

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HSP27 Antibody: Dylight 405, Monoclonal, Clone: 5D12-A12, Host: Mouse, Isotype: IgG2b

Details

Mouse Anti-Human HSP27 Monoclonal IgG2b Kappa
Target: HSP27
Purification: Protein G Purified
Specificity: Detects ~27kDa. Has no cross-reactivity to Alpha B crystallin. Very limited cross-reactivity to other species.
Conjugate: Dylight 405
Immunogen Species: Human
Cellular Location: Cytoplasm, Nucleus, Cytoskeleton, Spindle
Immunogen: Full length human HSP27
Scientific Background: HSP27s belong to an abundant and ubiquitous family of small heat shock proteins (sHSP). It is an important HSP found in both normal human cells and cancer cells. The basic structure of most sHSPs is a homologous and highly conserved amino acid sequence, with an α-crystallin domain at the C-terminus and the WD/EPF domain at the less conserved N-terminus. This N-terminus is essential for the development of high molecular oligomers (1, 2). HSP27-oligomers consist of stable dimers formed by as many as 8-40 HSP27 protein monomers (3). The oligomerization status is connected with the chaperone activity: aggregates of large oligomers have high chaperone activity, whereas dimers have no chaperone activity (4). HSP27 is localized to the cytoplasm of unstressed cells but can redistribute to the nucleus in response to stress, where it may function to stabilize DNA and/or the nuclear membrane. Other functions include chaperone activity (as mentioned above), thermo tolerance in vivo, inhibition of apoptosis, and signal transduction. Specifically, in vitro, it acts as an ATP-independent chaperone by inhibiting protein aggregation and by stabilizing partially denatured proteins, which ensures refolding of the HSP70 complex. HSP27 is also involved in the apoptotic signaling pathway because it interferes with the activation of cytochrome c/Apaf-1/dATP complex, thereby inhibiting the activation of procaspase-9. It is also hypothesized that HSP27 may serve some role in cross-bridge formation between actin and myosin (5). And finally, HSP27 is also thought to be involved in the process of cell differentiation. The up-regulation of HSP27 correlates with the rate of phosphorylation and with an increase of large oligomers. It is possible that HSP27 may play a crucial role in termination of growth (6).
Reference: 1. Kim K.K., Kim R., and Kim, S. (1998) Nature 394(6693): 595-599.2. Van Montfort R., Slingsby C., and Vierling E. (2001) Addv Protein Chem. 59: 105-56.3. Ehrnsperger M., Graber S., Gaestel M. and Buchner J. (1997) EMBO J. 16: 221-229.4. Ciocca D.R., Oesterreich S., Chamness G.C., McGuire W.L., and Fugua S.A. (1993) J Natl Cancer Inst. 85 (19): 1558-70.5. Sarto C., Binnz P.A., and Mocarelli P. (2000) Electrophoresis. 21(6): 1218-26.6. Arrigo A.P. (2005) J Cell Biochem. 94(2): 241-6.

Zusatzinformation

Artikelnummer STRSMC-161B-DY405
Hersteller Stressmarq Biosciences
Herstellernummer SMC-161B-DY405
Verpackungseinheit 200 µg
Mengeneinheit FL
Reaktivität Human
Klonalität Monoclonal
Wirt / Host Mouse
Methode ELISA, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunoprecipitation, Western Blotting
Isotype IgG2
Gene ID NCBI (externer Link)
Datenblatt Download
MSDS Download