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Åke Lernmark

Principal investigator

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Decreased weight gain in BB rats before the clinical onset of insulin-dependent diabetes

Author

  • Helle Markholst
  • Susan Eastman
  • Deborah Wilson
  • Lloyd Fisher
  • Åke Lernmark

Summary, in English

Inbred specific pathogen-free diabetes-prone (DP) and diabetes-resistant (DR) BB rats were crossed to produce F1 and intercrossed to produce F2 rats. Diabetes segregates in these crosses as a recessive trait on rat chromosome 4. The weight gain of genetically diabetes-prone rats born to F1 healthy parents was studied to avoid effects of maternal diabetes. The weight gain of the F2 rats was initially not different from the F1 parents. The F2 rats later developing diabetes grew in parallel with their non-affected siblings up until the last 9 days before onset. During these 9 days they showed a decreased weight gain compared to their healthy litter-mates regardless of age. We conclude that decreased weight gain precedes the abrupt clinical onset of diabetes in BB rats and that it may be due to processes associated with the selective loss of β cells.

Publishing year

1993-01-01

Language

English

Pages

31-38

Publication/Series

Diabetes Research and Clinical Practice

Volume

21

Issue

1

Document type

Journal article

Publisher

Elsevier

Topic

  • Endocrinology and Diabetes

Keywords

  • Body weight
  • Growth velocity
  • Prediabetes
  • Type 1 diabetes

Status

Published

ISBN/ISSN/Other

  • ISSN: 0168-8227