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You are here:Home » Antibodies » Antibodies-Amyloid » Anti - -Amyloid Precursor Protein

Anti - -Amyloid Precursor Protein


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Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B IP IH
Amyloid-beta precursor protein (APP) is the source of the amyloid-beta (Ab) peptide found in neuritic plaques of Alzheimer’s disease (AD) patients. APP is aglycosylated transmembrane protein with a long extracellular N-terminal domain, a short intracellular C-terminal domain, and an Abeta-segment of intermediate length shared between the intra- and extracellular regions. APP is cleaved by alpha-secretase immediately before or after reaching the cell surface, releasing the nonamyloidogenic secreted form of the N-terminal soluble APP fragment (sAPPa). APP molecules that are not cleaved by alpha-secretase are internalized, and subjected to beta-site cleavage by beta-secretase, leaving behind a membrane-bound C-terminal stub. This terminal stub is the substrate for gamma-secretase, which cleaves the molecule at gamma-site(s) to release the 40aa, 42aa, or 43aa -long Ab peptides.
Catalog #A2275-87F
ApplicationsSuitable for use in Western Blot, Immunoprecipitation and Immunohistochemistry. Other applications have not been tested.
Recommended DilutionsWestern Blot (Mouse): 1-3ug/ml. Detects a band representing the full-length protein at ~ 100kD, and a band at ~ 10-12kD representing the C99 C-terminal cleavage fragment. A major non-specific band has been observed at ~50kD in mouse brain homogenates.
Immunoprecipitation (Mouse): 7ug/reaction
Immunohistochemistry (FFPE, Human): 1-2ug/ml. Digestion with trypsin prior to staining is required.
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypePolyclonal
FormSupplied as a liquid in PBS, pH 7.4, 0.1% sodium azide.
PurityPurified by immunoaffinity chromatography.
ImmunogenSynthetic peptide derived from the C-terminal region of the human and mouse amyloid-beta precursor protein (APP695).
SpecificityRecognizes human Amyloid Precursor Protein. Reactivity has been confirmed with APLP2 (amyloid precursor-like protein 2) -/- knock-out and wildtype mouse brain homogenates and APP695 C99 (C-terminal fragment)-transfected HEK293 cell lysates by Western Blot. Negative control tests with APP -/- knock-out and APP/APLP2 double knock-out mice have confirmed the specificity of this antibody; neither of the target bands were identified in these test samples. Reactivity has also been confirmed with human Alzheimer’s brain tissue by immunohistochemistry. Species Crossreactivity: mouse.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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