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The present work studies the serum insulin response to cafeteria feeding and the possible role of this hormone in the marked N retention induced by cafeteria feeding. Rats fed a cafeteria diet for periods of 10, 20 and 30 days showed a significant and progressive increase in serum insulin levels. In order to elucidate the possible intervention of this hormone in the marked N retention induced by cafeteria feeding we studied the changes in N metabolism in non-diabetic and streptozotocin-diabetic rats fed a cafeteria diet for 10 days. The amount of N ingested was the same in all experimental groups. Our results suggest that insulin is not absolutely indispensible in the N retention exhibited by cafeteria-fed rats, inasmuch as cafeteria feeding also promotes a decrease in N excretion in streptozotocin-diabetic rats. This is in accordance with the reduction in urea excretion and the activities (U/g liver) of the ureogenic enzymes in streptozotocin-diabetic rats fed a cafeteria diet.
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
January 1993,
The American journal of physiology,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
July 1981,
Metabolism: clinical and experimental,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
August 1981,
The American journal of physiology,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
March 1980,
The Biochemical journal,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
January 1986,
The British journal of nutrition,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
September 1971,
Indian journal of biochemistry,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
October 1979,
Experimental and molecular pathology,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
February 1989,
Physiology & behavior,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
January 2024,
Acta cirurgica brasileira,
T Barber, and
E Estornell, and
R Estelles, and
D Gomez, and
J Cabo
January 1987,
International journal of obesity,
