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7alpha-Hydroxycholesterol

Cat. No. M18253
7alpha-Hydroxycholesterol Structure
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Biological Activity

7alpha-Hydroxycholesterol

Chemical Information
Molecular Weight 402.65
Formula C27H46O2
CAS Number 566-26-7
Form Solid
Solubility (25°C) DMSO 50 mg/mL
Storage 4°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] Dieter Ltjohann, et al. J Neurol. Levels of 7alpha-hydroxycholesterol and/or 7alpha-hydroxy-4-cholest-3-one are the optimal biochemical markers for the evaluation of treatment of cerebrotendinous xanthomatosis

[2] Anita Wnętrzak, et al. Biochim Biophys Acta Biomembr. Influence of 7α-hydroxycholesterol on sphingomyelin and sphingomyelin/phosphatidylcholine films - The Langmuir monolayer study complemented with theoretical calculations

[3] Hyok-Rae Cho, et al. PLoS One. 7α-Hydroxycholesterol induces monocyte/macrophage cell expression of interleukin-8 via C5a receptor

[4] Savan K Patel, et al. J Control Release. Hydroxycholesterol substitution in ionizable lipid nanoparticles for mRNA delivery to T cells

[5] Hyun Chul Seo, et al. Biomol Ther (Seoul). 7α-Hydroxycholesterol Elicits TLR6-Mediated Expression of IL-23 in Monocytic Cells

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