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The role of viruses in human diabetes
1Department of Virology, University of Tampere Medical School and Tampere, University Hospital, Lenkkeilijänkatu 10, 33520 Tampere, Finland.
Diabetologia
|October 16, 2002
Summary
Enterovirus infections are increasingly linked to Type I diabetes in children, potentially triggering islet-cell autoantibodies and destruction. Further research is needed to identify specific viruses causing this autoimmune diabetes.
Area of Science:
- Virology
- Immunology
- Endocrinology
Background:
- Viruses are recognized as environmental factors in Type I diabetes etiology.
- Enteroviruses and other viruses have been implicated in human diabetes.
- Recent advancements have clarified the role of enteroviruses in Type I diabetes.
Purpose of the Study:
- To confirm and extend the role of viruses, particularly enteroviruses, in the etiology of Type I diabetes mellitus.
- To investigate the association between enterovirus infection and the development of diabetes in children and other populations.
- To explore the mechanisms by which enterovirus infection may lead to islet-cell destruction.
Main Methods:
- Utilizing new technologies, including polymerase chain reaction (PCR) methods.
- Identifying enteroviruses in blood samples.
- Analyzing the link between enterovirus infection, islet-cell autoantibodies, and interferon-alpha expression.
Main Results:
- Enterovirus infection accompanies or precedes Type I diabetes onset in many children across multiple countries.
- Enterovirus infection appears linked to the induction of islet-cell autoantibodies and interferon-alpha expression.
- Islet-cell destruction is associated with these viral-induced events.
Conclusions:
- Enterovirus infection is a significant factor in the development of Type I diabetes in many children.
- The precise viral nucleotide sequences responsible for diabetogenicity remain unidentified.
- Further investigation is crucial to establish the specific viral agents involved in early-stage diabetes.
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