Name: APP Antibody
Brand: CUSABIO
SKU: CSB-PA001950OJ01HU

Product Details

Full Product Name

Rabbit anti-Homo sapiens (Human) APP Polyclonal antibody

Uniprot No.

P05067

Target Names

APP

Alternative Names

APP; A4; AD1; Amyloid-beta precursor protein; APP; ABPP; APPI; Alzheimer disease amyloid A4 protein homolog; Alzheimer disease amyloid protein; Amyloid precursor protein; Amyloid-beta; A4 precursor protein; Amyloid-beta A4 protein; Cerebral vascular amyloid peptide; CVAP; PreA4; Protease nexin-II; PN-II

Raised in

Rabbit

Species Reactivity

Human, Mouse

Immunogen

Peptide sequence from Human Amyloid-beta precursor protein

Immunogen Species

Homo sapiens (Human)

Conjugate

Non-conjugated

Clonality

Polyclonal

Isotype

IgG

Purification Method

>95%, Protein G purified

Concentration

It differs from different batches. Please contact us to confirm it.

Buffer

Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4

Form

Liquid

Tested Applications

ELISA, WB, IHC, IF

Recommended Dilution

Application	Recommended Dilution
WB	1:1000-1:5000
IHC	1:20-1:200
IF	1:50-1:200

Protocols

ELISA Protocol
Western Blotting(WB) Protocol
Immunohistochemistry (IHC) Protocol
Immunofluorescence (IF) Protocol

Troubleshooting and FAQs

Antibody FAQs

Storage

Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Lead Time

Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Usage

For Research Use Only. Not for use in diagnostic or therapeutic procedures.

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Customer Reviews and Q&A

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■ Q&A

Can you recommend an antibody against APP?

As for the target of APP, CUSABIO has various antibodies available specific for it. Please kindly refer to the link and check which one would you like.
https://www.cusabio.com/index.php?m=search&c=index&a=init&dosubmit=1&catid=init&typeid=&siteid=1&q=P05067

Furthermore, We've also launched some products for free trial. Kindly noted that every new customer can get only one free trial, and try the additional antibodies with only $49.9/20ug(ul).

Target Background

Function

Functions as a cell surface receptor and performs physiological functions on the surface of neurons relevant to neurite growth, neuronal adhesion and axonogenesis. Interaction between APP molecules on neighboring cells promotes synaptogenesis. Involved in cell mobility and transcription regulation through protein-protein interactions. Can promote transcription activation through binding to APBB1-KAT5 and inhibits Notch signaling through interaction with Numb. Couples to apoptosis-inducing pathways such as those mediated by G(O) and JIP. Inhibits G(o) alpha ATPase activity. Acts as a kinesin I membrane receptor, mediating the axonal transport of beta-secretase and presenilin 1. By acting as a kinesin I membrane receptor, plays a role in axonal anterograde transport of cargo towards synapes in axons. Involved in copper homeostasis/oxidative stress through copper ion reduction. In vitro, copper-metallated APP induces neuronal death directly or is potentiated through Cu(2+)-mediated low-density lipoprotein oxidation. Can regulate neurite outgrowth through binding to components of the extracellular matrix such as heparin and collagen I and IV. The splice isoforms that contain the BPTI domain possess protease inhibitor activity. Induces a AGER-dependent pathway that involves activation of p38 MAPK, resulting in internalization of amyloid-beta peptide and leading to mitochondrial dysfunction in cultured cortical neurons. Provides Cu(2+) ions for GPC1 which are required for release of nitric oxide (NO) and subsequent degradation of the heparan sulfate chains on GPC1.; Amyloid-beta peptides are lipophilic metal chelators with metal-reducing activity. Bind transient metals such as copper, zinc and iron. In vitro, can reduce Cu(2+) and Fe(3+) to Cu(+) and Fe(2+), respectively. Amyloid-beta protein 42 is a more effective reductant than amyloid-beta protein 40. Amyloid-beta peptides bind to lipoproteins and apolipoproteins E and J in the CSF and to HDL particles in plasma, inhibiting metal-catalyzed oxidation of lipoproteins. APP42-beta may activate mononuclear phagocytes in the brain and elicit inflammatory responses. Promotes both tau aggregation and TPK II-mediated phosphorylation. Interaction with overexpressed HADH2 leads to oxidative stress and neurotoxicity. Also binds GPC1 in lipid rafts.; Appicans elicit adhesion of neural cells to the extracellular matrix and may regulate neurite outgrowth in the brain.; The gamma-CTF peptides as well as the caspase-cleaved peptides, including C31, are potent enhancers of neuronal apoptosis.; N-APP binds TNFRSF21 triggering caspase activation and degeneration of both neuronal cell bodies (via caspase-3) and axons (via caspase-6).

Gene References into Functions

genetic manipulation of Sirt3 revealed that amyloid-beta increased levels of total tau acetylated tau through its modulation of Sirt3. PMID: 29574628
brain. In the present study, two familial Ab42 mutations, namely A2V (harmful) and A2T (protective) have been analyzed and compared with the wild-type (WT) by performing all-atom molecular dynamics (MD) simulations in the absence and presence of curcumin, a well-known inhibitor of Abeta plaque formation. Mutant A2V was found to exhibit highest stability followed by WT and mutant A2T in the absence of curcumin PMID: 28054501
These results provide evidence for an emerging role of BAG-1M in the regulation of BACE1 expression and AD pathogenesis and that targeting the BAG-1M-NF-kappaB complex may provide a mechanism for inhibiting Abeta production and plaque formation. PMID: 28502705
A physical interaction between nicastrin (hNCT) and the gamma-secretase substrate amyloid beta-protein precursor (APPC100) confirmed the functionality of hNCT as a substrate recognizer. PMID: 28276527
ethanol-induced eIF2alpha phosphorylation stimulates COX-2 expression and PGE2 production which induces the BACE1 expression and Abeta production via EP-2 receptor-dependent PKA/CREB pathway. PMID: 28668332
Western diet (WD) dramatically increases ABETA levels and generates pyroglutamate-ABETA deposits. PMID: 28039031
This study demonstrated that the APP21 transgenic rats develop age-dependent cognitive impairment and accelerated white matter inflammation. PMID: 30153843
Data suggest that kinetics of degradation/proteolysis versus of aggregation of amyloid beta(1-40) and amyloid beta(1-42) at specific concentrations of amyloid beta, cathepsin B, and cystatin C can be modeled and predicted. PMID: 29046353
In vitro neuroprotective effects of naringenin nanoemulsion against beta-amyloid toxicity through the regulation of amyloidogenesis and tau phosphorylation. PMID: 30001606
The results of study demonstrate that different degradation pathways play distinct roles in the removal of Abeta42 aggregates and in disease progression. These findings also suggest that pharmacologic treatments that are designed to stimulate cellular degradation pathways in patients with AD should be used with caution. PMID: 29127191
This data demonstrates a specific function of APP or its metabolites is involved in the changes that occur during high fat diet-induced obesity. PMID: 28262782
Our study provides new insights into the regulation of APP pre-mRNA processing, supports the role for nELAVLs as neuron-specific splicing regulators and reveals a novel function of AUF1 in alternative splicing. PMID: 28291226
Data show that phospholipase D3 (PLD3) functions in endosomal protein sorting and plays an important role in regulating amyloid precursor protein (APP) processing. PMID: 29368044
Data show that amyloid precursor protein (APP) dimerization affects its interaction with LDL receptor related protein 1 (LRP1) and LDL-receptor related protein SorLA (SorLA), suggesting that APP dimerization modulates its interplay with sorting molecules and in turn its localization and processing. PMID: 28799085
overexpression of APP may promote the onset of seborrhoeic keratosis and is a marker of skin ageing and UV damage. PMID: 29487944
Amyloid fibrils of Abeta1-40 peptide can effectively initiate amyloid formation in different globular proteins and metabolites, converting native structures into beta-sheet rich assemblies. Structural and biophysical properties of the resultant protein fibrils display amyloid like characteristic features. PMID: 29723530
Structural and biochemical differences between the Notch and the amyloid precursor protein transmembrane domains. PMID: 28439555
Gnetin C may thereby prevent Abeta toxicity by suppressing BACE1 and enhancing MMP-14, together with reducing both internalization and oligomerization of exogenous Abeta monomers. PMID: 29899186
Amyloid precursor protein (APP) binds the HIV-1 Gag polyprotein, retains it in lipid rafts and blocks HIV-1 virion production and spread. PMID: 29142315
ABETA(1-42) doses >5 microM inhibited the growth of U87 cells compared with the 0 microM group after 24 and 48 h treatment. PMID: 29568933
On the role of sidechain size and charge in the aggregation of Abeta42 with familial mutations. PMID: 29895690
The mechanism involved in the interaction of HSP60-Ass conjugate with HLA-DR-DRB allele considering the fact that Ass (1-42) is highly immunogenic in human and interactions evoked highly robust T-cell response through MHC class II binding predictions. PMID: 27106586
Abeta fibrils start to accumulate predominantly within certain parts of the default mode network in preclinical Alzheimer's disease and already then affect brain connectivity. PMID: 29089479
findings show adverse effects of one-night sleep deprivation on brain ABB and expand on prior findings of higher Abeta accumulation with chronic less sleep. PMID: 29632177
This review highlights the existing link between oxidative stress and Alzheimer's disease, and the consequences towards the ABETA peptide and surrounding molecules in terms of oxidative damage. [review] PMID: 29080524
This study presents nonequilibrium molecular dynamics data of the Amyloid beta (1-40) peptide, periodically driven by an oscillating electric field PMID: 29812922
overall results and observations regarding human serum albumin, amyloid-beta, and metal ions advance our knowledge of how protein-protein interactions associated with amyloid-beta and metal ions could be linked to Alzheimer's disease pathogenesis PMID: 28930473
electrostatic interactions in the center of the Abeta peptide sequence play a crucial role in the three-dimensional fold of the fibrils, and by inference, fibril-induced neuronal toxicity and AD pathogenesis PMID: 27414264
This study applies methodologies on the initial stages of aggregation of a hexamer of Alzheimer's amyloid beta fragment 25-35 (ABETA 25-35) and finds that transitions within the hexameric aggregate are dominated by entropic barriers and speculates that especially the conformation entropy plays a major role in the formation of the fibril as a rate limiting factor. PMID: 29221375
c-Abl is activated in AbetaOs exposed neurons and in Alzheimer's disease patient's brain, and the inhibition of activated c-Abl ameliorates cognitive deficits PMID: 29378302
RelA, RelB and c-Rel can be activated by Abeta1-40, all of which mediate pro-inflammatory cytokine transcription and retinal pigment epithelium damage. PMID: 29022897
specific balance between the concentrations of monomeric and fibrillar alpha-synuclein determines the outcome of the Abeta42 aggregation reaction PMID: 28698377
Nuclear HSP70 leads to enhancement of vaccinia H1-related phosphatase (VHR) activity via protein-protein interaction rather than its molecular chaperone activity, thereby suppressing excessive ERK activation. Downregulation of either VRK3 or HSP70 rendered cells vulnerable to glutamate-induced apoptosis. PMID: 27941812
The Network analyses identified APP expression in temporal cortex in patient with late-onset Alzheimer's disease. PMID: 28242297
alpha-synuclein (Parkinson) and Abeta peptide (Alzheimer) no longer form Ca(2+)-permeable pores in presence of drugs that target either cholesterol or ganglioside or both membrane lipids. PMID: 27352802
APP processing is regulated throughout differentiation of cortical neurons and that amyloidogenic APP processing, as reflected by Abeta1-40/42, is associated with mature neuronal phenotypes. PMID: 27383650
Authors measured cerebral morphological and neurochemical alterations using structural magnetic resonance imaging (MRI) and proton magnetic resonance spectroscopy ((1)H-MRS) in an AD model of APP/PS1 transgenic mice. PMID: 28797599
while Reelin expression is enhanced in the Alzheimer's brain, the interaction of Reelin with Abeta hinders its biological activity PMID: 27531658
These results confirm the involvement of amyloid precursor protein (APP) in synaptogenesis and provide evidence to suggest that human APP overexpression specifically disturbs the structural and functional organization of active zone and results in altered Bruchpilot distribution and lowered probability of spontaneous neurotransmitter release. PMID: 28770114
Enhancing mitochondrial proteostasis reduces amyloid-beta proteotoxicity PMID: 29211722
Study showed that the APP Osaka mutation has dual effects: it causes a loss-of-function of APP and gain-of-toxic-function of Abeta, though the latter seems to come out only after the former causes GABAergic depletion. Also present OSK-KI mice as a mouse model to replicate the hereditary form of recessive familial Alzheimer's disease. PMID: 28760161
results suggest that co-oligomers are a common form of aggregate when Abeta isoforms are present in solution and may potentially play a significant role in Alzheimer's disease. PMID: 27346247
This study reports the transition dipole strengths and frequencies of the amyloid beta-sheet amide I mode for the aggregated proteins amyloid-beta1-40, calcitonin, alpha-synuclein, and glucagon. PMID: 28851219
different Ramachandran angle values could possibly be traced to the unique conformational folding avenues sampled by the Abeta42 peptide owing to the presence of its two extra residues. PMID: 27808259
This study structurally characterized ABETA 40 and ABETA 42 monomers through pentamers which were converted from previously derived coarse-grained (DMD4B-HYDRA) simulations into all-atom conformations and subjected to explicit-solvent Molecular Dynamics. PMID: 28727426
Shape complementarity between close-packed residues plays a critical role in the amyloid aggregation process. This study probes such "steric zipper" interactions in amyloid-beta (ABETA 40), whose aggregation is linked to Alzheimer's disease, by replacing natural residues by their stereoisomers. Stereoisomers can cause complex site dependent changes in amyloid properties. PMID: 28140589
Besides, the promoting effect of Zn2+ on ABETA42 fast aggregation peaked at pH 6.8-7.8, which includes the pH values of the cerebrospinal fluid (pH 7.3) and hippocampus (pH 7.15-7.35). The findings demonstrate the significant effect of Zn2+ on ABETA aggregation and provide new insight into its mechanisms. PMID: 28378589
These results suggest that APPsw transgenic zebrafish well simulate the pathological characters of Alzheimer's disease and can be used as an economic Alzheimer's disease transgenic model. PMID: 27978793
The authors found that as already shown for oligomeric Abeta, also oligomeric Tau can bind to amyloid precursor protein (APP). Moreover, efficient intra-neuronal uptake of oligomeric Abeta and oligomeric Tau requires expression of APP. PMID: 28696204
Recombinant mutant KPI(R13I) domain of ABPP was ineffective in the inhibition of pro-thrombotic proteinases and did not inhibit the clotting of plasma in vitro. PMID: 28499154

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Involvement in disease

Alzheimer disease 1 (AD1); Cerebral amyloid angiopathy, APP-related (CAA-APP)

Subcellular Location

Cell membrane; Single-pass type I membrane protein. Membrane; Single-pass type I membrane protein. Perikaryon. Cell projection, growth cone. Membrane, clathrin-coated pit. Early endosome. Cytoplasmic vesicle.; [C83]: Endoplasmic reticulum. Golgi apparatus. Early endosome.; [C99]: Early endosome.; [Soluble APP-beta]: Secreted.; [Amyloid-beta protein 42]: Cell surface.; [Gamma-secretase C-terminal fragment 59]: Nucleus. Cytoplasm.

Protein Families

APP family

Tissue Specificity

Expressed in the brain and in cerebrospinal fluid (at protein level). Expressed in all fetal tissues examined with highest levels in brain, kidney, heart and spleen. Weak expression in liver. In adult brain, highest expression found in the frontal lobe of

Database Links

HGNC: 620

OMIM: 104300

KEGG: hsa:351

STRING: 9606.ENSP00000284981

UniGene: Hs.434980

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Code	CSB-PA001950OJ01HU
Size	US$166
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Image	Immunofluorescence staining of Hela cells with CSB-PA001950OJ01HU at 1:133, counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeabilized using 0.2% Triton X-100 and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. The secondary antibody was Alexa Fluor 488-congugated AffiniPure Goat Anti-Rabbit IgG(H+L). Western blot All lanes: APP antibody at 2µg/ml Lane 1: HL60 whole cell lysate Lane 2: Mouse kidney tissue Secondary Goat polyclonal to rabbit IgG at 1/10000 dilution Predicted band size: 87, 35, 77, 79, 81, 83, 85, 86, 73 kDa Observed band size: 87 kDa IHC image of CSB-PA001950OJ01HU diluted at 1:100 and staining in paraffin-embedded human breast cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system.
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