Cholestyramine feeding of rats increased the rate of palmitate and glycerol incorporation into triacylglycerols of isolated hepatocytes. Concomitantly an increase of fatty-acid binding by hepatic cytosolic proteins was observed, which could be attributed to an elevation of the content of the fatty-acid-binding protein (Mr 12000). The involvement of this protein in cholesterol, bile-acid and triacylglycerol metabolism is discussed.

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