Comparison of high and low diabetes incidence non-obese diabetic mouse strains
Baxter, Alan G., Adams, Mark A., and Mandel, Thomas E. (1989) Comparison of high and low diabetes incidence non-obese diabetic mouse strains. Diabetes, 38 (10). pp. 1296-1300.
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The nonobese diabetic (NOD) mouse is a model of insulin-dependent diabetes mellitus. These mice develop insulinopenia and hyperglycemia secondary to beta-cell destruction, which is associated with insulitis and autoantibody production. We have two strains of NOD mice: a low-incidence strain (NOD/Wehi), in which less than 10% females and less than 1% males develop diabetes by 150 days despite intense insulitis, and a high-incidence strain (NOD/Lt), in which most females and many males develop diabetes by 150 days. This phenotypic difference has been maintained for 24 mo despite identical housing in our specific pathogen-free unit. Reciprocal skin grafting and allozyme electrophoresis have not identified a difference between the strains. Mixed-lymphocyte cultures were performed with splenic T-lymphocytes cultured with equal numbers of irradiated stimulator splenocytes for 3-6 days. NOD/Wehi mice demonstrated a heightened syngeneic mixed-lymphocyte response (SMLR), averaging 19% of the allogeneic response to CBA/CaHWehi cells. The response to NOD/Lt stimulator cells was not significantly different from the syngeneic response. In contrast, NOD/Lt mice had an SMLR similar to that of BALB/cAnBradleyWehi control mice, averaging 5% of the allogeneic response. NOD/Lt cells also responded similarly to NOD/Wehi stimulator cells and briskly to allogeneic cells. The heightened SMLR in NOD/Wehi mice may reflect active generation of suppressor function, and this may account for the low incidence of diabetes.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1107 Immunology > 110703 Autoimmunity @ 100%|
|SEO Codes:||92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920108 Immune System and Allergy @ 100%|
|Deposited On:||09 Sep 2010 11:41|
|Last Modified:||12 Feb 2011 03:16|
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