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β-Amyloid (31-35) 

Cat. No. M28532
β-Amyloid (31-35)  Structure
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Biological Activity

β-Amyloid (31-35) is the shortest sequence of native Amyloid-β peptide that retains neurotoxic activity.

*The compound is unstable in solutions, freshly prepared is recommended

Chemical Information
Molecular Weight 545.74
Formula C25H47N5O6S
CAS Number 149385-65-9
Form Solid
Solubility (25°C) DMSO 5 mg/mL (ultrasonic and adjust pH to 7 with HCl)
Storage Store at ≤ -20°C, dry, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Yuan Yuan, et al. J Cell Mol Med. Adiponectin improves amyloid-β 31-35-induced circadian rhythm disorder in mice

[2] José P Leite, et al. ACS Chem Neurosci. Aβ31-35 Decreases Neprilysin-Mediated Alzheimer's Amyloid-β Peptide Degradation

[3] Li Cheng, et al. Hippocampus. A novel antibody targeting sequence 31-35 in amyloid β protein attenuates Alzheimer's disease-related neuronal damage

[4] Li Zhao, et al. Aging Cell. Amyloid beta-peptide 31-35-induced neuronal apoptosis is mediated by caspase-dependent pathways via cAMP-dependent protein kinase A activation

[5] Jian-Mei Zhang, et al. Synapse. Amyloid beta-protein fragment 31-35 suppresses long-term potentiation in hippocampal CA1 region of rats in vivo

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