PMID: 15374191Jan 1, 1996Paper

Increase in insulin secretion with age: its clinical importance in evaluating abnormal secretions focused on diabetes type II and obesity

Archives of Gerontology and Geriatrics
A Ruiz-TorresR Carraro

Abstract

The urinary C-peptide excretion was measured in a healthy standardized population sample of 160 subjects from 20 to 90 years of age, homogeneously distributed by age and sex. Urinary C-peptide excretion corresponded to 7% of the total amount released. The daily C-peptide excretion was 61.23 +/- 2.2 (S.E.) microg in the whole sample which corresponds to 41.9 +/- 1.5 IU of insulin secreted/day (I(CP)d), without sex differences. There is an increase of the I(CP)d value from the young to the healthy middle-aged person, but when the results were corrected for standard amounts of excreted creatinine (1 g) and urea (22 g) the age-dependent increase is to be observed during the whole adult life span. Assuming that cross-sectionally observed data are representative of the individual changes, it is concluded that age alone increases insulin secretion. The results which may be useful as reference values for clinical application were as follows: (A) in 5 diabetes type II patients in which the I(CP)d value was measured several times a week, the intraindividual variation coefficient was 10.9 +/- 7.2%;(B) in a sample of 47 type II diabetic patients of both sexes, between 51 and 70 years of age, a clear correlation was found between I(CP)d and...Continue Reading

References

Jan 1, 1978·Diabetes·C KühlS L Jensen
Apr 1, 1992·Hypertension·N W IstfanG L Blackburn
Jan 1, 1991·Hormone Research·D RudmanM W Draper
Jan 1, 1990·Hormone Research·B A BengtssonI Bosaeus

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Citations

Oct 27, 1998·Seminars in Ophthalmology·J A FosterD E Holck
Mar 27, 2004·Obesity Research·Arjen H F BakkerWim A Buurman
Nov 13, 2014·Osong Public Health and Research Perspectives·Abdolreza Shaghaghi, Ali Ahmadi
May 10, 2018·Aesthetic Surgery Journal·Stephanie E DreifussJeffrey A Gusenoff

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