In microsomes from liver of male __SP__ , dietary administration of 70 kd __NODE__ ( with a dosage of 5 percent and a treatment period of 1 week ) and dietary administration of __NODE__ ( with a dosage of 1 percent and a treatment period of 1 week ) and dietary administration of __NODE__ ( with a dosage of 00.2percent and a treatment period of 1 week ) decrease activity of __SP__ __NODE__ protein 1 week after initial treatment .