Western blot analysis of extracts from various cell lines using HSPA8 (D12F2) Rabbit mAb.
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Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.
For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
NOTE: Please refer to primary antibody datasheet or product webpage for recommended antibody dilution.
From sample preparation to detection, the reagents you need for your Western Blot are now in one convenient kit: #12957 Western Blotting Application Solutions Kit
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
Load 20 µl onto SDS-PAGE gel (10 cm x 10 cm).
NOTE: Volumes are for 10 cm x 10 cm (100 cm2) of membrane; for different sized membranes, adjust volumes accordingly.
* Avoid repeated exposure to skin.
posted June 2005
revised November 2013
Reprobing of an existing membrane is a convenient means to immunoblot for multiple proteins independently when only a limited amount of sample is available. It should be noted that for the best possible results a fresh blot is always recommended. Reprobing can be a valuable method but with each reprobing of a blot there is potential for increased background signal. Additionally, it is recommended that you verify the removal of the first antibody complex prior to reprobing so that signal attributed to binding of the new antibody is not leftover signal from the first immunoblotting experiment. This can be done by re-exposing the blot to ECL reagents and making sure there is no signal prior to adding the next primary antibody.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalently purified water.
posted June 2005
revised October 2016
Protocol Id: 10
HSPA8 (D12F2) Rabbit mAb recognizes endogenous levels of total HSPA8 protein. This antibody cross-reacts with HSPA2, HSPA1A, and HSPC70.Species Reactivity:
Human, Mouse, Rat, Monkey, Bovine, PigSpecies predicted to react based on 100% sequence homology:
Hamster, Chicken, D. melanogaster, Xenopus, Zebrafish, Dog, Horse
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Lys25 of human HSPA8 protein.
HSPA8, alternately known as HSC70 or HSP73, is a constitutively expressed member of the HSP70 superfamily (1). Although its primary role in cells appears to be that of a general chaperone for unfolded proteins, HSPA8 has also been identified as the uncoating ATPase responsible for removing clathrin from coated vesicles and may also play a role in stabilizing untranslated mRNAs (1-5). In addition to these "housekeeping" functions, HSPA8 may also have an important role in inducible cellular stress responses. For example, oxidative or thermal stress promotes the nuclear/nucleolar accumulation of HSPA8, where it forms a complex with the topoisomerase I complex and likely protects it from heat inactivation (6,7). HSPA8 is reportedly phosphorylated in response to DNA damage, but it remains unclear what effect, if any, this has on HSPA8 function (8-10). Numerous high throughput studies support this observation. For more information, please see the HSPA8 page in PhosphoSitePlus® at www.phosphosite.org.
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