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A Journal on Internal Medicine
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,6
Panminerva Medica 2002 December;44(4):295-300
Mitochondrial diabetes, diabetes and the thiamine-responsive megaloblastic anaemia syndrome and MODY-2. Diseases with common pathophysiology?
Maassen J. A.
Department of Molecular Cell Biology Leiden University Medical Centre, Leiden and EVM Institute Medisch Centrum, Vrije Universiteit Amsterdam, the Netherlands
Diabetes represents a conglomerate of diseases with chronic hyperglycaemia as hallmark. The present review discusses those diabetic cases that associate with variants in genes that affect the magnitude of the glycolytic flux and oxidative disposal of glucose by mitochondria in pancreatic β-cells. These genetic variants result in an attenuated secretion of insulin in response to glucose stimulation. The diabetic states that associate with these genetic variants are MODY 2, thiamine responsive anaemia syndrome (TRAS) and mitochondrial diabetes. These disease states highlight the critical contribution of the carbohydrate flux through glycolysis and mitochondria and its coupling to ATP production in determining insulin secretion.