Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Skøtt, P. et al.

Effect of insulin on renal sodium handling in hyperinsulinaemic type 2 (non-insulin-dependent) diabetic patients with peripheral insulin resistance.

The sodium retaining effect of insulin was studied in ten Type 2 (non-insulin-dependent) diabetic patients (mean age 56 (43-73) years, mean body mass index 29.5 (24.2-33.7) kg/m2) and eight age-matched control subjects (mean age 57 (43-68) years, mean body mass index 23.4 (20.8-26.6) kg/m2). The renal clearances of 99mTc-DTPA, lithium, sodium and potassium were measured over a basal period of 90 min. Then insulin was infused at a rate of 40 mU.min-1.m-2. After an equilibration period of 90 min, the clearance measurements were repeated during a new 90 min period. Blood glucose was clamped at the basal level (diabetic patients: 9.9 +/- 3.5, control subjects: 5.3 +/- 0.5 mmol/l) by a variable glucose infusion. Basal plasma insulin concentration was elevated in the diabetic patients (0.12 +/- 0.05 vs 0.05 +/- 0.02 pmol/ml, p less than 0.01). Insulin infusion resulted in comparable absolute increments in plasma insulin concentrations in the diabetic group and in the control group (0.44 +/- 0.13 vs 0.36 +/- 0.07 pmol/ml, NS). The metabolic clearance rate of glucose during the last 30 min of insulin infusion was lower in the diabetic patients (155 +/- 62 vs 320 +/- 69 ml.min-1.m-2, p less than 0.01), reflecting peripheral insulin resistance. The decline in sodium clearance during insulin infusion was similar in diabetic subjects (1.8 +/- 1.1 vs 0.7 +/- 0.4 ml.min-1.1.73 m-2, p less than 0.01) and in control subjects (1.7 +/- 0.3 vs 0.8 +/- 0.3 ml.min-1.1.73 m-2, p less than 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)[1]

References

Effect of insulin on renal sodium handling in hyperinsulinaemic type 2 (non-insulin-dependent) diabetic patients with peripheral insulin resistance. Skøtt, P., Vaag, A., Bruun, N.E., Hother-Nielsen, O., Gall, M.A., Beck-Nielsen, H., Parving, H.H. Diabetologia (1991) [Pubmed]

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