Assay
13-17% chloride basis (dried substance)
Quality Level
form
powder
technique(s)
activity assay: suitable
matrix
polystyrene/divinylbenzene
pH
4—6
capacity
~1.0 meq/g(dry)
Application
Cholestyramine resin has been used:
- as a diet supplement to study the bile acid pool size and fecal bile acid output in mice
- to alter the bile acid (BA) levels and study its effect on liver fibrosis development in wild type (WT), fibroblast growth factor 15 (Fgf15)−/−, and Fgf15 transgenic (TG) mice
- in in vitro digestion process to study the capacity of the fractions for binding bile acid (BA)
Cholestyramine resin is used in protein chromatography, ion exchange chromatography and anion exchange media. Cholestyramine has been used to study the relief of postcholecystectomy diarrhea, the management of intractable cholestatic pruritus and obesity.
Biochem/physiol Actions
Cholestyramine is a cationic exchange resin polymer. This resin is a bile acid sequestrant that interchanges chloride anions for bile acids of the small intestine lumen, leading to excretion of bile acids in the feces and reduced levels of serum bile acid. Cholestyramine is used to treat primary hypercholesterolemia. The resin induces dose-dependent reduction of low-density lipid (LDL) cholesterol. It ameliorates the risk of coronary artery disease.
Other Notes
Quartenary ammonium functional groups attached to cross-linked polystyrene
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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