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7β-Hydroxycholesterol

Cat. No. M39737
7β-Hydroxycholesterol Structure
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Biological Activity

7β-Hydroxycholesterol is an oxysterol that derived by the oxidation of cholesterol. 7β-hydroxycholesterol is a powerful inducer of oxidative stress, inducing dysfunction of organelles (mitochondria, lysosomes and peroxisomes) that can cause cell death.

Chemical Information
Molecular Weight 402.65
Formula C27H46O2
CAS Number 566-27-8
Form Solid
Solubility (25°C) DMSO 90 mg/mL (ultrasonic)
Storage -20°C, protect from light
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] Giuseppe Poli et al. Redox Biol. Oxysterols: From redox bench to industry

[2] Paola Gamba et al. Antioxidants (Basel). The Controversial Role of 24-S-Hydroxycholesterol in Alzheimer's Disease

[3] T Nury et al. Ageing Res Rev. Attenuation of 7-ketocholesterol- and 7β-hydroxycholesterol-induced oxiapoptophagy by nutrients, synthetic molecules and oils: Potential for the prevention of age-related diseases

[4] Thomas Nury et al. Br J Pharmacol. Oxiapoptophagy: A type of cell death induced by some oxysterols

[5] Anne Vejux et al. Biochem Pharmacol. 7-Ketocholesterol and 7β-hydroxycholesterol: In vitro and animal models used to characterize their activities and to identify molecules preventing their toxicity

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