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Virus infection triggers insulin-dependent diabetes mellitus in a transgenic model: role of anti-self (virus) immune response.

Cell | Apr 19, 1991

http://www.ncbi.nlm.nih.gov/pubmed/1901765

We investigated the potential association between viruses and insulin-dependent (type 1) diabetes (IDDM) by developing a transgenic mouse model. By inserting into these mice a unique viral protein that was then expressed as a self-antigen in the pancreatic islets of Langerhans, we could study the effect on that expressed antigen alone, or in concert with an induced antiviral (i.e., autoimmune) response manifested later in life in causing IDDM. Our results indicate that a viral gene introduced as early as an animal's egg stage, incorporated into the germline, and expressed in islet cells does not produce tolerance when the host is exposed to the same virus later in life. We observed that the induced anti-self (viral) CTL response leads to selective and progressive damage of beta cells, resulting in IDDM.

Pubmed ID: 1901765 RIS Download

Mesh terms: Animals | Antibodies, Monoclonal | Antigens, CD8 | Antigens, Differentiation, T-Lymphocyte | Autoimmune Diseases | Blood Glucose | Diabetes Mellitus, Experimental | Diabetes Mellitus, Type 1 | Genes, Viral | Insulin | Islets of Langerhans | Lymphocytes | Lymphocytic choriomeningitis virus | Mice | Mice, Transgenic | Promoter Regions, Genetic | Rats | Viral Proteins

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Associated grants

  • Agency: NIA NIH HHS, Id: AG-04342
  • Agency: NIAID NIH HHS, Id: AI-09484
  • Agency: NINDS NIH HHS, Id: NS-01330

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