Human/Mouse Phospho-APP/Protease Nexin II (T668) Antibody

Catalog # Availability Size / Price Qty
AF2508
AF2508-SP
Detection of Human and Mouse Phospho-APP/Protease Nexin II (T668) by Western Blot.
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Product Details
Citations (1)
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Reviews (1)

Human/Mouse Phospho-APP/Protease Nexin II (T668) Antibody Summary

Species Reactivity
Human, Mouse
Specificity
Detects multiple isoforms of human and mouse APP/Protease Nexin II when phosphorylated at sites corresponding to T668 of the human APP695 isoform.
Source
Polyclonal Rabbit IgG
Purification
Antigen Affinity-purified
Immunogen
Phosphopeptide containing the human APP/Protease Nexin II T668 site
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
0.5 µg/mL
See below
Immunohistochemistry
5-15 µg/mL
See below

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.

Data Examples

Western Blot Detection of Human and Mouse Phospho-APP/Protease Nexin II (T668) by Western Blot. View Larger

Detection of Human and Mouse Phospho-APP/Protease Nexin II (T668) by Western Blot. Western blot shows lysates of L‑929 mouse fibroblast cell line and HeLa human cervical epithelial carcinoma cell line untreated (-) or treated (+) with 1 μg/mL nocodazole for 16 hours. PVDF membrane was probed with 0.5 µg/mL of Rabbit Anti-Human/Mouse Phospho-APP/Protease Nexin II (T668) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2508), followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Immunohistochemistry Phospho-APP/Protease Nexin II (T668) in Human Brain. View Larger

Phospho-APP/Protease Nexin II (T668) in Human Brain. APP/Protease Nexin II phosphorylated at T668 was detected in immersion fixed paraffin-embedded sections of human Alzheimer's brain (cortex) using Rabbit Anti-Human/Mouse Phospho-APP/Protease Nexin II (T668) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2508) at 10 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Rabbit HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS005) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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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/Mouse Phospho-APP/Protease Nexin II (T668) 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. Membrane tethering of APP c-terminal fragments is a prerequisite for T668 phosphorylation preventing nuclear sphere generation
    Cell Signal, 2016;28(11):1725-1734.
    Species: Human
    Sample Types: Cell Lysates
    Applications: WB

FAQs

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Cell and Tissue Staining Kits

Immunohistochemistry Reagents

Isotype Controls

Normal Rabbit IgG Control

Ctrl,CyTOF-ready

Reconstitution Buffers

Secondary Antibodies

Reviews for Human/Mouse Phospho-APP/Protease Nexin II (T668) Antibody

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Human/Mouse Phospho-APP/Protease Nexin II (T668) Antibody
By Anonymous on 01/25/2018
Application: WB Sample Tested: IPS2 induced pluripotent stem cells Species: Mouse