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Protein-free diets do not protect high-incidence diabetes-prone BioBreeding rats from diabetes.

Author:
  • W Simonson
  • S Ramanathan
  • S Bieg
  • P Poussier
  • Åke Lernmark
Publishing year: 2002
Language: English
Pages: 569-574
Publication/Series: Metabolism: Clinical and Experimental
Volume: 51
Issue: 5
Document type: Journal article
Publisher: Elsevier

Abstract english

Dietary factors have been reported to affect the development of spontaneous diabetes in various colonies of inbred and outbred diabetes-prone (DP) BioBreeding (BB) rats. Several studies have attributed a protective effect to a diet omitting crude protein mixtures in favor of purified casein, hydrolyzed casein, or free amino acids. We have used inbred BB rats, all of which become diabetic in specific pathogen-free (SPF) conditions when fed ordinary rat chow, to test the capacity of 2 different protein-free diets to modulate BB rat diabetes in 2 distinct pathogen-free environments. BB rats known to all develop diabetes by 100 days of age were fed from birth with 1 of 3 diets. By 120 days of age, 100% of the animals on a standard diabetogenic chow diet, 83% of animals on an amino acid-based protein-free diet, and 100% of animals on a hydrolyzed casein-based diet had developed diabetes (P >.05). A slight delay in the age of onset was observed among rats fed the amino acid-based diet, but t

Keywords

  • Endocrinology and Diabetes

Other

Published
  • ISSN: 0026-0495
E-mail: ake [dot] lernmark [at] med [dot] lu [dot] se

Principal investigator

Diabetes and Celiac Unit

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Jan Waldenströms gata 35, Malmö

33

Lund University Diabetes Centre, CRC, SUS Malmö, Jan Waldenströms gata 35, House 91:12. SE-214 28 Malmö. Telephone: +46 40 39 10 00