Amyloid 17-42

Modify Date: 2025-08-20 17:45:56

Amyloid 17-42 Structure
Amyloid 17-42 structure
Common Name Amyloid 17-42
CAS Number 155178-13-5 Molecular Weight N/A
Density N/A Boiling Point N/A
Molecular Formula C119H194N28O33S Melting Point N/A
MSDS N/A Flash Point N/A

 Use of Amyloid 17-42


Amyloid 17-42 (Aβ(17-42)) is a major constituent of diffuse plaques in Alzheimer's disease and cerebellar pre-amyloid in Down's syndrome, derived by alpha- and gamma-secretase cleavage of the amyloid precursor protein (APP). Amyloid 17-42 can induce neuronal Apoptosis via a Fas-like/caspase-8 activation pathway[1].

 Names

Name (4S)-5-[[(1S)-2-[[(1S)-1-[[2-[[(1S)-2-[[(1S)-3-amino-1-[[(1S)-5-amino-1-[[2-[[(1S)-2-[[(1S,2S)-1-[[(1S,2S)-1-[[2-[[(1S)-1-[[(1S)-1-[[(1S)-1-[[2-[[2-[[(1S)-1-[[(1S)-1-[[(1S,2S)-1-[[(1S)-1-carboxyethyl]carbamoyl]-2-methyl-butyl]carbamoyl]-2-methyl-propyl]carbamoyl]-2-methyl-propyl]amino]-2-oxo-ethyl]amino]-2-oxo-ethyl]carbamoyl]-2-methyl-propyl]carbamoyl]-3-methylsulfanyl-propyl]carbamoyl]-3-methyl-butyl]amino]-2-oxo-ethyl]carbamoyl]-2-methyl-butyl]carbamoyl]-2-methyl-butyl]amino]-1-methyl-2-oxo-ethyl]amino]-2-oxo-ethyl]carbamoyl]pentyl]carbamoyl]-3-oxo-propyl]amino]-1-(hydroxymethyl)-2-oxo-ethyl]amino]-2-oxo-ethyl]carbamoyl]-2-methyl-propyl]amino]-1-(carboxymethyl)-2-oxo-ethyl]amino]-4-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methyl-pentanoyl]amino]-3-methyl-butanoyl]amino]-3-phenyl-propanoyl]amino]-3-phenyl-propanoyl]amino]propanoyl]amino]-5-oxo-pentanoic acid

 Amyloid 17-42 Biological Activity

Description Amyloid 17-42 (Aβ(17-42)) is a major constituent of diffuse plaques in Alzheimer's disease and cerebellar pre-amyloid in Down's syndrome, derived by alpha- and gamma-secretase cleavage of the amyloid precursor protein (APP). Amyloid 17-42 can induce neuronal Apoptosis via a Fas-like/caspase-8 activation pathway[1].
Related Catalog
In Vitro Amyloid 17-42 (20 μM; 48 h) leads to apoptosis in SH-SY5Y and IMR-32 cells[1]. Amyloid 17-42 (20 μM; 48 h, 72 h) activates caspase-8 and caspase-3, induced poly(ADP-ribose) polymerase cleavage[1]. Amyloid 17-42 (20 μM) moderately activates c-Jun N-terminal kinase (JNK)[1]. Amyloid 17-42 induces neuronal apoptosis via a Fas-like/caspase-8 activation pathway[1]. Cell Cytotoxicity Assay[1] Cell Line: SH-SY5Y and IMR-32 cells Concentration: 0-30 μM Incubation Time: 48 h Result: Caused the death of SH-SY5Y and IMR-32 human neuroblastoma cells. Apoptosis Analysis[1] Cell Line: SH-SY5Y cells Concentration: 20 μM Incubation Time: 48 h Result: Showed shrunken cell bodies, condensed and fragmented chromatin, and increased amounts of cytoplasmic oligonucleosomes. Western Blot Analysis[1] Cell Line: SH-SY5Y cells Concentration: 20 μM Incubation Time: 48, 72 h; 18 h, 24 h Result: Reduced procaspase-3 and increased cleaved caspase-3 in cells. Reduced procaspase-8 in cells. Lead to early activation of JNK.
References

[1]. Wanli Wei, et al. Abeta 17-42 in Alzheimer's disease activates JNK and caspase-8 leading to neuronal apoptosis. Brain. 2002 Sep;125(Pt 9):2036-43.  

 Chemical & Physical Properties

Molecular Formula C119H194N28O33S
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