Correlation of urinary excretion of C-peptide with the integrated concentration and secretion rate of insulin

M. T. Meistas, Z. Zadik, Simeon Margolis, A. A. Kowarski

Research output: Contribution to journalArticle

Abstract

The secretion rate of insulin (SR-I) of 50 normal subjects was calculated from the 24-h integrated concentration of insulin (IC-I), the peripheral metabolic clearance of insulin (pMCR-I), and the mean fractional hepatic insulin extraction (fhMCR-I) that was derived from our data. fhMCR-I was determined as the difference in the molar secretory rate of C-peptide (SR-C) and the molar peripheral clearance of insulin (pMCR-IxIC-I) divided by SR-C. The IC-I in our 50 subjects was 1.19±0.38 ng/ml and the IC-C was 2.93±0.58 ng/ml. Based on these data, the fhMCR-I was 0.40 and the SR-I was estimated to be 54.8±18.0 U/24 h. The 24-h urinary C-peptide excretion (U-C), 44.9±20.4 μg/24 h, had a statistically significant correlation with SR-I (r = 0.823, P

Original languageEnglish (US)
Pages (from-to)639-643
Number of pages5
JournalDiabetes
Volume30
Issue number8
StatePublished - 1981

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C-Peptide
Insulin
Secretory Rate
Liver

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Internal Medicine

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Correlation of urinary excretion of C-peptide with the integrated concentration and secretion rate of insulin. / Meistas, M. T.; Zadik, Z.; Margolis, Simeon; Kowarski, A. A.

In: Diabetes, Vol. 30, No. 8, 1981, p. 639-643.

Research output: Contribution to journalArticle

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PY - 1981

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