The intravenous injection of 3 beta-(2-hydroxy-2-[3H]ethoxy)cholest- 5-ene into rats with the cannulated common bile duct resulted in the primary accumulation of radioactivity in liver (24%) and spleen (12%) tissues, bile (7%), and blood serum (15%) after 3 hours. The distribution of 3 beta-(2-hydroxy-2-[3H]ethoxy)cholest-5-ene throughout various tissues was close to that of [14C]cholesterol being administrated under the same conditions. The analysis of radioactive products from blood serum showed that 40-60% of 3 beta-(2-hydroxy-2-[3H]ethoxy)- cholest-5-ene was converted to the acyl derivative under experimental conditions.
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