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Metabolism. 2003 Mar;52(3):333-7.

Short-term dietary adjustment with a hydrolyzed casein-based diet postpones diabetes development in the diabetes-prone BB rat.

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1
Department of Cell Biology, Immunology Section, University of Groningen, Groningen, The Netherlands.

Abstract

From earlier studies it appears that weaning associated changes in the animal's physiology and that of the pancreas in particular, render diabetes-prone Bio-Breeding (DP-BB) rats susceptible to the induction and development of insulin-dependent diabetes mellitus (IDDM). In this study we tested whether a short-term dietary adjustment at weaning would influence the development of diabetes later in life. For this purpose a diet in which the protein source was replaced with hydrolyzed casein (HC) was given to the rats from weaning to 60 days of age and from weaning to 130 days of age. The control group received the cereal-based standard diet throughout the experiment. The short-term dietary adjustment resulted in a significant delay of diabetes development. The rats fed the HC diet from weaning to 130 days of age showed a lower incidence of diabetes at 130 days of age. No differences were seen in the histological insulitis scores between the rats of the different treatment groups. Interestingly, when testing (mucosal) immune functions of short-term HC-fed rats, their mesenteric lymph node cells (MLNC) showed increased interferon-gamma (IFN-gamma) and reduced interleukin-10 (IL-10) production after in vitro stimulation. These results demonstrate that short-term dietary adjustments at a young age can influence the course of diabetes later in life. The shift in cytokine profile of MLNC of the HC-fed rats suggests that mechanisms involved can be at the level of both the (mucosal) immune system and the beta cell.

PMID:
12647272
DOI:
10.1053/meta.2003.50052
[Indexed for MEDLINE]
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