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S4316

Sigma-Aldrich

Amyloid Precursor Protein β, Secreted human

recombinant, expressed in E. coli (N-terminal histidine tagged), solution

Sinonimo/i:

Amyloid Precursor Protein β, Secreted, sAPPβ

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25 μG
CHF 690.00

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25 μG
CHF 690.00

About This Item

Numero MDL:
Codice UNSPSC:
12352202
NACRES:
NA.32

CHF 690.00


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Ricombinante

expressed in E. coli (N-terminal histidine tagged)

Livello qualitativo

Stato

solution

PM

~100 kDa by SDS-PAGE

N° accesso UniProt

Condizioni di spedizione

dry ice

Temperatura di conservazione

−70°C

Informazioni sul gene

human ... APP(351)

Descrizione generale

Amyloid-β (Aβ) peptides are a major component of the senile plaques characteristic of the Alzheimer brain.[1] It is a type- I transmembrane protein. The gene encoding amyloid-β is localized on human chromosome 21.[2][3]

Applicazioni

Human amyloid precursor protein β has been used as peptide standard.[4][5]

Azioni biochim/fisiol

The secreted amyloid precursor β (sAPPβ) is a proteolytic cleavage product of β amyloid precursor protein (APP). APP is cleaved by β-secretase into two fragments, sAPPβ and β-amyloid peptide (Aβ). The Aβ is a component of amyloid plaques, one of the major hallmarks of Alzheimer`s disease (AD), while the sAPPβ is thought to modulate neuronal function and cell survival. Mutation in APP found in Swedish familial AD pedigree increases the susceptibility of APP to β-secretase cleavage and the formation of Aβ and sAPPβ. In contrast, activation of protein kinase C (PKC) decreases the levels of sAPPβ. The trans-Golgi network (TGN) is the major site for β-secretase activity.

Stato fisico

0.2 μm filtered solution in 20 mM Tris (pH 7.4), 0.5 M NaCl, 1 mM EDTA, 5 mM βME, 2 μg/ml aprotinin

Nota sulla preparazione

sAPPβ was expressed in E. coli as a soluble protein and purified under non-denaturing conditions

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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D J Selkoe
Nature, 399(6738 Suppl), A23-A31 (1999-07-07)
Studies of the molecular basis of Alzheimer's disease exemplify the increasingly blurred distinction between basic and applied biomedical research. The four genes so far implicated in familial Alzheimer's disease have each been shown to elevate brain levels of the self-aggregating
Conformational Dynamics of Specific A? Oligomers Govern Their Ability To Replicate and Induce Neuronal Apoptosis.
Dean DN
Biochemistry (2016)
In vivo BACE1 inhibition leads to brain A? lowering and increased a-secretase processing of APP without effect on Neuregulin-1
Sethu Sankaranarayanan
Journal of Pharmacology and Experimental Therapeutics (2018)
C Haass et al.
Nature, 357(6378), 500-503 (1992-06-11)
Progressive cerebral deposition of the amyloid beta-peptide is an early and invariant feature of Alzheimer's disease. The beta-peptide is released by proteolytic cleavages from the beta-amyloid precursor protein (beta APP), a membrane-spanning glycoprotein expressed in most mammalian cells. Normal secretion
Regulation of global gene expression and cell proliferation by APP.
Wu Y
Scientific Reports (2016)

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