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Low mitochondrial glycerophosphate dehydrogenase activity in lymphocytes of women with gestational diabetes
J Vidal1, H Corominola, F Cardona
1Endocrinology Unit, Hospital Clinic, Barcelona, Spain.
An abnormally low activity of mitochondrial FAD-linked glycerophosphate dehydrogenase (m-GDH), relative to the paired measurement of glutamate dehydrogenase, was found in CD3+ lymphocytes from 4 out of 14 mothers with gestational diabetes mellitus, but in none of 36 control mothers. The low m-GDH activity coincided with an abnormally high incidence of familial history for non-insulin-dependent diabetes. These findings are compatible with the view that an inherited or acquired defect of m-GDH may participate to the pathogenesis of beta-cell dysfunction in a subgroup of patients with gestational diabetes.
An abnormally low activity of mitochondrial FAD-linked glycerophosphate dehydrogenase (m-GDH), relative to the paired measurement of glutamate dehydrogenase, was found in CD3+ lymphocytes from 4 out of 14 mothers with gestational diabetes mellitus, but in none of 36 control mothers. The low m-GDH activity coincided with an abnormally high incidence of familial history for non-insulin-dependent diabetes. These findings are compatible with the view that an inherited or acquired defect of m-GDH may participate to the pathogenesis of beta-cell dysfunction in a subgroup of patients with gestational diabetes.