Western blot analysis of OVCAR3 and SK-OV-3 cell lysates using MUC16 antibody (upper) and α-Actinin (D6F6) XP® Rabbit mAb #6487 (lower). As expected, SK-OV-3 cells are negative for MUC16 protein expression.Learn more about how we get our images.
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
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody
MUC16 antibody recognizes endogenous levels of total MUC16 protein.
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human MUC16 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Mucins are a family of macromolecules that line and protect the respiratory epithelium from microbes and pollutants in the local environment. Of the family members that are known to date, some are produced in a cell type and tissue-specific manner, suggesting distinct biological roles for members. Some members polymerize after secretion to form gel-like substances that coat the epithelial layer (1). MUC16 is a member of the mucin family, which are a high molecular weight, O-glycosylatyed proteins that play an important role in forming mucous barrier (2) and are found on the apical surface of the epithelia. It contains an extracellular domain at its amino acid terminus, a large tandem repeat and a transmembrane domain with a short cytoplasmic domain. MUC16 has been linked to lung cancer (3), and ovarian cancer (4). It provides protective, lubricating barrier against particles and infectious agents at mucosal surfaces (5).
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc. XP is a registered trademark of Cell Signaling Technology, Inc. Tween is a registered trademark of ICI Americas, Inc.
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|29623S||100 µl (10 western blots)||$ 255.0|