کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9369789 | 1272768 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Les effets physiologiques du peptide connecteur
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کلمات کلیدی
موضوعات مرتبط
علوم پزشکی و سلامت
پزشکی و دندانپزشکی
پریناتولوژی (پزشکی مادر و جنین)، طب اطفال و بهداشت کودک
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چکیده انگلیسی
Insulin-dependent diabetic (IDDM) patients present significantly altered Na,K-ATPase activity in several organs, including kidney. Particularly in kidney tubule, Na,K-ATPase alteration occurs together with changes in glomerular filtration rate, the first step of IDDM-induced renal failure. The latter is a major cause of morbidity and mortality in IDDM patients. The C-peptide of proinsulin is important for the biosynthesis of insulin but has for a long time been considered to be biologically inert. Recent studies have demonstrated that replacement of C-peptide to normal physiological concentrations in IDDM patients either on a short-term basis (1-3Â hours) or on a prolonged administration (1-3Â months) was accompanied by improvements in renal glomerular and tubular function. Animal studies have shown that most of the renal tubular effects of C-peptide may in part be explained by its ability to stimulate Na,K-ATPase activity. In conclusion, these combined findings indicate that C-peptide is a biologically active hormone. The possibility that C-peptide therapy in IDDM patients may be beneficial should be considered. The present review focuses on: 1) Making a point about C-peptide-induced tubular effects on the basis of clinical and experimental experiments, and 2) precising the molecular mechanisms involved in C-peptide-induced tubular Na,K-ATPase effects.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Archives de Pédiatrie - Volume 12, Issue 4, April 2005, Pages 442-448
Journal: Archives de Pédiatrie - Volume 12, Issue 4, April 2005, Pages 442-448
نویسندگان
M. Tsimaratos,