Human APP/Protease Nexin II Pan Specific Antibody

Catalog # Availability Size / Price Qty
AF1168
AF1168-SP
Product Details
Citations (1)
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Human APP/Protease Nexin II Pan Specific Antibody Summary

Species Reactivity
Human
Specificity
Detects human APP695+1 and human APP770 in direct ELISAs and Western blots. This antibody recognizes a common epitope present on APP695+1 and APP770 found within the segments Leu18 - Arg288 or Pro365 - Arg411 of APP770 (Accession P05067).
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
S. frugiperda insect ovarian cell line Sf 21-derived recombinant human APP 695+1 frameshift mutant
Leu18-Arg336
Accession # NP_958817
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human APP+1 Western Blot Standard (Catalog # WBC012)
Immunohistochemistry
5-15 µg/mL
Immersion fixed paraffin-embedded sections of human Alzheimer's disease brain

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: APP

Amyloid precursor protein (APP) is a type I membrane protein with several human isoforms due to alternative splicing. APP-770, -751, and -733 contain a Kunitz protease inhibitor (KPI) domain (residue 291 - 342) and APP-695 does not. APP is a cell surface molecule with many functions. It can be processed proteolytically in two different pathways. In one pathway, beta - and gamma -secretase cleave at the  beta  site between residue 670 and 671 and the gamma site between residue 711 and 714 to produce beta ‑amyloid peptide (A beta 40 and A beta 42), a major component in plaques found in brains of patients with Alzheimer's disease (1). The other pathway involves alpha -secretase that cleaves residues between 687 and 688. It is antiamyloidogenic due to its benign character and the prevention of the A beta peptide formation (2). Soluble APP containing the KPI domain, also referred to as protease nexin II, is a potent inhibitor of serine proteases and may have additional functions. For example, it may regulate the contact face of blood coagulation and limit thrombosis specially in brain due to its localization and coagulation factor XI inhibiting activity (3, 4).

References
  1. Haass, C. (2004) EMBO J. 23:483.
  2. Lichtenthaler, S. F. and C. Haass (2004) J. Clin. Invest. 113:1384.
  3. Badellino, K.O. and P.N. Walsh (2000) Biochemistry 39:4769.
  4. Xu, F. et al. (2005) Proc. Natl. Acad. Sci USA. 102:18135.
Long Name
Amyloid Precursor Protein
Entrez Gene IDs
351 (Human); 11820 (Mouse)
Alternate Names
amyloid beta (A4) precursor protein-binding, family B, member 2; amyloid beta A4 precursor protein-binding family B member 2; Amyloid beta precursor protein; Amyloid beta; APP; beta Amyloid; Protease Nexin II

Product Datasheets

Citation for Human APP/Protease Nexin II Pan Specific Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. A small molecule ApoE4-targeted therapeutic candidate that normalizes sirtuin 1 levels and improves cognition in an Alzheimer's disease mouse model
    Authors: J Campagna, P Spilman, B Jagodzinsk, D Bai, A Hatami, C Zhu, T Bilousova, M Jun, CJ Elias, J Pham, G Cole, MJ LaDu, ME Jung, DE Bredesen, V John
    Sci Rep, 2018;8(1):17574.
    Species: Mouse
    Sample Types: Plasma
    Applications: ELISA Development

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