AVANTI POLAR LIPIDS , CYGNUS , LARODAN , ADIPOGEN , MYBIOSOURCE , SERVA NORDMARK, BIOWORLD, EDGEBIO , PANREAC APPLICHEM
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Product Description: Heat shock proteins are ubiquitous proteins and have been characterized as cytoprotective molecular chaperones. The typical function of a chaperone is to assist a protein to attain its functional conformation to prevent non-functional aggregation of misfolded proteins. The principal HSP families are HSP90, HSP70, HSP60 and the small HSPs including HSP27, ubiquitin, alpha-crystallin, Hsp20 and others. The common functions of small Hsps are chaperone activity, thermotolerance, inhibition of apoptosis, regulation of cell development, and cell differentiation. Hsp27 has a molecular weight of approximately 27 kDa, although it has been shown to form large aggregates of up to 800 kDa in the cytosol. Hsp27 is found in several types of human cells, including tumour cells. Hsp27 interferes with apoptosis through its ability to interact with and inhibit key components of the apoptotic signaling pathway, including the caspase activation complex. Overexpression of heat shock proteins can increase the tumorigenic potential of tumour cells. HSP27 also has been reported to be involved in development and progression of hormone-refractory prostate cancer.
Alternate Names/Synonyms: HSPB1; HspB1; HSP27; SRP27; HSP 27; Heat Shock 27 kDa Protein; 28 kDa Heat Shock Protein; Heat Shock Protein beta-1; Stress-responsive Protein 27; Estrogen-regulated 24 kDa Protein
Product type: Protein
Source / Host: E. coli
Species Crossreactivity: Human
Purity: >95% (SDS-PAGE)
Formulation: Lyophilized from 50mM NaH2PO4, pH8.0 / 300mM NaCl / 250mM imidazole.
Handling Advice: Avoid freeze/thaw cycles.
Short Term Storage: +4°C
Long Term Storage: -20°C
Shipping: BLUE ICE
Use & Stability: After reconstitution, store at -80°C.
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