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A4559

Sigma-Aldrich

Amyloid β-Protein Fragment 25-35

≥97% (HPLC)

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About This Item

Formule empirique (notation de Hill):
C45H81N13O14S
Numéro CAS:
Poids moléculaire :
1060.27
Numéro MDL:
Code UNSPSC :
12352202
ID de substance PubChem :
Nomenclature NACRES :
NA.32

Niveau de qualité

Pureté

≥97% (HPLC)

Forme

powder

Composition

Protein Content, ≥80%

Numéro d'accès UniProt

Température de stockage

−20°C

Chaîne SMILES 

CCC(C)C(NC(=O)C(NC(=O)C(C)NC(=O)CNC(=O)C(CCCCN)NC(=O)C(CC(N)=O)NC(=O)C(CO)NC(=O)CN)C(C)CC)C(=O)NCC(=O)NC(CC(C)C)C(=O)NC(CCSC)C(O)=O

InChI

1S/C45H81N13O14S/c1-9-24(5)36(43(69)50-21-35(63)52-29(17-23(3)4)40(66)55-28(45(71)72)14-16-73-8)58-44(70)37(25(6)10-2)57-38(64)26(7)51-34(62)20-49-39(65)27(13-11-12-15-46)54-41(67)30(18-32(48)60)56-42(68)31(22-59)53-33(61)19-47/h23-31,36-37,59H,9-22,46-47H2,1-8H3,(H2,48,60)(H,49,65)(H,50,69)(H,51,62)(H,52,63)(H,53,61)(H,54,67)(H,55,66)(H,56,68)(H,57,64)(H,58,70)(H,71,72)

Clé InChI

WIHBNMPFWRHGDF-UHFFFAOYSA-N

Informations sur le gène

human ... APP(351)

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Amino Acid Sequence

Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met

Description générale

Amyloid β-Protein Fragment 25-35 (Aβ25-35) is derived from the amyloid-β protein.amyloid-β protein, which is mapped to human chromosome 21q21. Aβ25-35 lacks the N-terminal domain and the metal binding site and is majorly generated by proteolytic cleavage of Aβ(1−40) peptides. It has a β-sheet and β-turn structure.

Application

Amyloid β-Protein Fragment 25-35 has been used:
  • to induce neurotoxicity in cortical cultures
  • to induce Alzheimer′s disease in rat model
  • to induce apoptosis in mesenchymal stem cells (MSCs)

Actions biochimiques/physiologiques

Amyloid β-Protein Fragment 25-35 (Aβ25-35) is involved in the pathogenesis of Alzheimer′s disease. Inhibitors of this transition may serve as a potential agent in managing Alzheimer′s disease. It is present in the subiculum and entorhinal cortex neurons of Alzheimer′s brain samples and inclusion-body myositis (IBM) muscle. It binds to receptors present in microglia and is capable of lipid membrane insertion. The functional domain sequence of Aβ comprising of sequence GSNKGAIIGLM elicits neurotrophic and neurotoxic effects. Aβ25-35 exhibits rapid aggregation and displays age dependant neurotoxicity.

Autres remarques

Lyophilized from 0.1% TFA in H2O

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Conformations and biological activities of amyloid beta peptide 25-35
Millucci L, et al.
Current Protein and Peptide Science, 11(1), 54-67 (2010)
MicroRNA Let-7f-5p Promotes Bone Marrow Mesenchymal Stem Cells Survival by Targeting Caspase-3 in Alzheimer Disease Model
Han L, et al.
Frontiers in Neuroscience, 12 (2018)
Wen Zhou et al.
Frontiers in aging neuroscience, 13, 629891-629891 (2021-03-13)
The pathogenesis of Alzheimer's disease (AD) involves activation of many NLRP3 inflammatory bodies, which may be related to amyloid β peptide and aggregation of misfolded proteins. Autophagy is an important regulator of inflammatory bodies. However, autophagy shows dynamic changes in
RKIP-Mediated NF-kappaB Signaling is involved in ELF-MF-mediated improvement in AD rat
Zuo H, et al.
International Journal of Molecular Sciences, 15(14), 1658-1658 (2018)
Leticia R Dare et al.
Frontiers in behavioral neuroscience, 14, 152-152 (2020-09-26)
Alzheimer's disease (AD) is the leading cause of dementia in the world, accounting for 50-75% of cases. Currently, there is limited treatment for AD. The current pharmacological therapy minimizes symptom progression but does not reverse brain damage. Studies focused on

Articles

Alzheimer's Disease

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