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Western blot analysis of HSP-70 using clone 5G10 (Cat. No 554253). HSP-70 was constitutively expressed (lane 1) in HeLa cells and increased approximately four fold after a heat shock treatment at 42°C for 60 minutes (lane 2).
BD Pharmingen™ Purified Mouse Anti-Hsp70
Regulatory Status Legend
Any use of products other than the permitted use without the express written authorization of Becton, Dickinson and Company is strictly prohibited.
Preparation And Storage
Recommended Assay Procedures
Western blot: Please refer to http://www.bdbiosciences.com/pharmingen/protocols/Western_Blotting.shtml. HeLa cervical carcinoma cells (ATCC CCL-2) are suggested as a positive control.
Product Notices
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
Cells from many organisms increase the expression of heat shock or stress proteins in response to adverse changes. The heat shock protein (HSP) 70 family consists of multiple members, localized within different intracellular compartments. HSP 70 is constitutively expressed in many human cells with increased expression observed following stress. Members of the HSP 70 family bind ATP, and are thought to function as molecular chaperones by assisting in the folding of other proteins in various intracellular compartments. HSP 70 migrates at a molecular weight of 70 kDa in SDS-PAGE.
The 5G10 antibody recognizes human HSP 70. Purified HSP 70 was isolated from K562, a human erythroid cell line, and used as immunogen.
Development References (3)
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Craig EA, Gross CA. Is hsp70 the cellular thermometer. Trends Biochem Sci. 1991; 16(4):135-140. (Biology). View Reference
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Cyr DM, Langer T, Douglas MG. DnaJ-like proteins: molecular chaperones and specific regulators of Hsp70. Trends Biochem Sci. 1994; 19(4):176-181. (Biology). View Reference
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Singh MK, Yu J. Accumulation of a heat shock-like protein during differentiation of human erythroid cell line K562. Nature. 1984; 309(5969):631-633. (Immunogen). View Reference
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Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims. Comparisons are not made against non-BD technologies, unless otherwise noted.
For Research Use Only. Not for use in diagnostic or therapeutic procedures.