Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected with a construct expressing full-length mouse VAMP8 (mVAMP8; +), using VAMP8 Antibody.Learn more about how we get our images.
Western blot analysis of extracts from various cell lines using VAMP8 Antibody.Learn more about how we get our images.
For western blots, incubate membrane with diluted primary antibody in 5% w/v nonfat dry milk, 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.
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 June 2016
Protocol Id: 263
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.
VAMP8 Antibody recognizes endogenous levels of total VAMP8 protein.
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val31 of human VAMP8 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Proteins in the soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) complex are integral membrane proteins involved in vesicle transport and membrane fusion by pairing of vesicular SNAREs (v-SNAREs) with cognate target SNAREs (t-SNAREs) (reviewed in 1,2). Vesicle associated membrane protein 8 (VAMP8), also known as endobrevin, is a v-SNARE originally found preferentially localized to early endosomes (3). VAMP8 knockout mice did not show abnormal endosomal vesicular trafficking, perhaps having a redundant role with other VAMP family members (4). Instead, research studies have shown that VAMP8 is widely expressed in exocrine tissues and has a critical role in the exocytosis pathways of a variety of cells (4-9). In addition, lysosome localized VAMP8 has been shown to play a role in autophagosome/lysosome fusion during antimicrobial (xenophagy) and canonical starvation induced autophagy (10).
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