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Larsucosterol

Cat. No. M40968
Larsucosterol Structure
Synonym:

DUR-928

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Biological Activity

Larsucosterol is an endogenous sulfated oxysterol and a potent hepatic X receptor (LXR) and DNA methylase (DNMTS) antagonist that regulates endogenous lipogenesis as well as inhibits cholesterol biosynthesis by lowering mRNA levels and inhibiting SREBP-1 activation. May be used in studies related to psoriasis.

Chemical Information
Molecular Weight 482.72
Formula C27H46O5S
CAS Number 884905-07-1
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
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] Tarek Hassanein et al. Am J Gastroenterol. Safety, Pharmacokinetics, and Efficacy Signals of Larsucosterol (DUR-928) in Alcohol-Associated Hepatitis

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Keywords: Larsucosterol, DUR-928 supplier, Liver X Receptor, inhibitors, activators


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