Avasimibe Chemical Properties

Melting point:

178-180° (Lee); mp 169.5-170.4° (Dozeman)

Density 

1.072±0.06 g/cm3(Predicted)

storage temp. 

room temp

solubility 

DMSO: ≥40mg/mL

form 

powder

pka

1.97±0.70(Predicted)

color 

white to tan

InChIKey

PTQXTEKSNBVPQJ-UHFFFAOYSA-N

Safety Information

WGK Germany 

3

HS Code 

2935909099

Avasimibe Usage And Synthesis

Uses

Avasimibe has been used as an inhibitor of acyl-coenzyme A: cholesterol acyltransferase (ACAT) in Huh7.5.1 cells for testing its combination with direct-acting antivirals (DAAs) and to test its effect on lipid droplet accumulation in acidosis-adapted cancer cells. It may be used as an inhibitor of ACAT to assess cholesterol esterification in Trypanosoma cruzi.

Uses

Avasimibe is a selective inhibitor of Cholesterol Acyltransferase 1 and CYP2C9. Avasimibe is known to induce apoptosis of glioma cell lines as a model of glioblastoma.

Definition

ChEBI: Avasimibe is a monoterpenoid.

Biological Activity

avasimibe is an orally bioavailable inhibitor of the acyl coenzyme a: cholesterol acyltransferase (acat) with ic50 value of 60nm [1].avasimibe is developed from a strategy to design acat inhibitors with improved bioavailability. it also has solution stability at acidic ph. in the in vitro assay, the ic50 value is dependent on the concentration of microsomes, the amount of membrane available for adsorption as well as the presence of bsa. the treatment of avasimibe during the process of lipid loading causes a concentration-dependent reduction in cellular cholesteryl ester content. this reduction is not accompanied by the accumulation of intracellular free cholesterol, indicating a better safety profile for avasimibe than other acat inhibitors. avasimibe can also reduce the synthesis and secretion of apo b 100 (a component of vldl) in hepg2 cells. in addition, avasimibe can increase the total bile acid synthesis in rat hepatocytes at the concentration of 3μm [1].apart from the antiatherosclerotic efficacy, avasimibe is also found to take participate in the modulation of app trafficking. it can delay and reduce the maturation of app, limiting the availability of app holoprotein for aβ-generatiion [2].

Biochem/physiol Actions

Avasimibe (CI-1011) is an orally bioavailable Acyl-CoA:Cholesterol O-Acyltransferase (ACAT) inhibitor. It was originally developed as an antilepic drug, and was shown to significantly reduce plasma total triglyceride and VLDL-cholesterol, but later clinical trials were disappointing. ACAT has also been investigated as a potential therapeutic target for Alzheimer′s disease. Recent studies have looked at the effects of avasimibe in reducing amyloid pathology by limiting generation and increasing clearance of diffusible amyloid-beta (Abeta).

target

ACAT

storage

Store at +4°C

References

[1] llaverías g, laguna jc, alegret m. pharmacology of the acat inhibitor avasimibe (ci-1011). 2003 spring;21(1):33-50.
[2] huttunen hj, peach c, bhattacharyya r, barren c, pettingell w, hutter-paier b, windisch m, berezovska o, kovacs dm. inhibition of acyl-coenzyme a: cholesterol acyl transferase modulates amyloid precursor protein trafficking in the early secretory pathway. faseb j. 2009 nov;23(11):3819-28.

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