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Genetically programmed selective islet beta-cell loss in diabetic subjects with Wolfram's syndrome
A Karasik1, C O'Hara, S Srikanta
1Joslin Clinic, Joslin Diabetes Center, Boston, MA 02215.
Diabetes Care
|February 1, 1989
Summary
Wolfram syndrome is characterized by the absence of insulin-producing beta-cells. Genetic factors likely cause programmed beta-cell death, leading to diabetes mellitus in affected families.
Area of Science:
- Endocrinology
- Genetics
- Pathology
Background:
- Wolfram syndrome is a rare genetic disorder.
- Diabetes mellitus is a common complication.
Observation:
- Postmortem analysis revealed a selective absence of insulin-producing beta-cells in the islets of Langerhans.
- High sibling concordance for diabetes onset (r = .910) was observed in families with Wolfram syndrome.
Findings:
- The absence of autoimmune markers suggests a non-autoimmune etiology.
- Findings indicate genetically programmed selective beta-cell death as the cause of diabetes mellitus in Wolfram syndrome.
Implications:
- This research clarifies the pathophysiology of diabetes in Wolfram syndrome.
- Understanding the genetic basis may lead to targeted therapies for beta-cell preservation.