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Prenatal viral exposure followed by adult stress produces glucose intolerance in a mouse model
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
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2006 (English)In: Diabetologia, ISSN 0012-186X, E-ISSN 1432-0428, Vol. 49, no 9, 2192-2199 p.Article in journal (Refereed) Published
Abstract [en]

Aims/hypothesis: It has been suggested that the uterine environment may influence metabolic disease occurring later in adult life, and that adult stress may promote disease outcome. Using a mouse model, we tested whether in utero exposure to Ljungan virus (LV) followed by adult exposure to stress produces diabetes. The influence of the timing of viral exposure over the course of pregnancy was also tested.

Materials and methods: Pregnant CD-1 mice were exposed i.p. to LV on pregnancy days 4, 8, 12 or 17. Adult male mice from these pregnancies were stressed by being kept in shared cages. Stress only, LV exposure in utero only, and no-stress/no virus exposure groups were also followed. Outcome variables included bodyweight, epididymal fat weight, baseline glucose, glucose tolerance tests (60 and 120 min) and serum insulin.

Results: We demonstrated that male mice developed a type 2-like diabetes, including obesity, as adults if infected during pregnancy with LV. Diabetes at the age of 11 weeks was more severe in mice whose mothers were infected earlier than in those whose mothers were infected later in pregnancy. Only animals infected in utero and kept under stress developed diabetes; infection or stress alone did not cause disease.

Conclusions/interpretation: This work demonstrates that a type 2 diabetes-like disease can be virus-induced in a mouse model. Early in utero viral insults can set the stage for disease occurring during adult life, but the final manifestation of diabetes is dependent on the combination of early viral exposure and stress in adult life.

Place, publisher, year, edition, pages
2006. Vol. 49, no 9, 2192-2199 p.
Keyword [en]
diabetes, fetal programming, Ljungan virus, mouse model, stress, type 2 diabetes
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-17177DOI: 10.1007/s00125-006-0339-8ISI: 000239548800027PubMedID: 16821045OAI: oai:DiVA.org:uu-17177DiVA: diva2:44948
Available from: 2008-06-17 Created: 2008-06-17 Last updated: 2017-12-08Bibliographically approved

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Niklasson, BoBlixt, MartinSandler, Stellan

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