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The reduced activity of glucose-6-phosphate dehydrogenase (D-glucose-6-phosphate; NADP+ 1-oxidoreductase; G6PF) in Mediterranean erythrocytes explains the precarious equilibrium of the hexose monophosphate pathway (HMP) and the susceptibility of these cells to haemolytic agents. G6PD-deficient erythrocytes, in steady-state conditions, have a low NADPH/NADP+(More)
Celiac disease (CD) is frequently associated with other autoimmune diseases such as Type 1 diabetes mellitus, autoimmune thyroiditis (AT), and Addison's disease. The frequency of these associations varies with the populations studied. We conducted this study to ascertain the prevalence of CD in patients with AT from Sardinia, an area with a very high(More)
A few studies have reported an increased prevalence of Helicobacterpylori (HP) infection in diabetic subjects, which may be one of the causes of gastrointestinal symptoms and chronic atrophic gastritis frequently seen in diabetes of long duration. We determined the prevalence of HP infection in children and adolescents with Type 1 diabetes mellitus (T1DM)(More)
We determined the activity level of glucose 6-phosphate dehydrogenase in 467 patients with cataract from northern Sardinia. Of 226 men, 18 (8%) had glucose 6-phosphate dehydrogenase deficiency. Of 241 women, 30 (12%) were heterozygous and two (1%) were homozygous for glucose 6-phosphate dehydrogenase deficiency. These prevalences were not significantly(More)
OBJECTIVE To further investigate the association between the type of feeding in infancy and the development of IDDM. RESEARCH DESIGN AND METHODS We have carried out a case-control study in the area of Sassari (northern Sardinia, Italy), which is characterized by an ethnically homogenous population at high risk of IDDM. The study subjects comprised 100(More)
Red blood cells of favism patients with acute hemolytic crisis have markedly more superoxide dismutase (superoxide:superoxide oxidoreductase, EC 1.15.1.1) and less glutathione peroxidase (glutathione:hydrogenperoxide oxidoreductase, EC 1.11.1.9) than either normal controls, glucose-6-phosphate dehydrogenase-deficient subjects or favism patients outside(More)
The glucose-6-phosphate dehydrogenase (G6PD) enzyme activity was determined in 299 Northern Sardinian patients with cholelithiasis. Sixteen (12.80%) of the 125 male patients studied were G6PD deficient; 33 (18.96%) of the 174 females were heterozygous and 1 (0.57%) homozygous. Thus, the prevalence of G6PD deficiency in male subjects with cholelithiasis is(More)