Cited by 11Diabetes Management and ResearchDiabetes and associated disordersPancreatic function and diabetes

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Twenty-four hour profiles of plasma C-peptide in Type 1 (insulin-dependent) diabetic children

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Abstract

Twenty-four hour profiles of plasma C-peptide, an index of endogenous insulin secretion, were performed in 15 Type 1 (insulin-dependent) diabetic children. Plasma C-peptide was detectable in six children, of whom four ('C-peptide producers') had peak values above normal fasting levels. In each of the six children with residual B cell function, there was a close correlation between plasma C-peptide and simultaneous blood glucose (r greater than 0.50, p less than 0.05). Post-breakfast peak blood glucose was 10.2 +/- 1.7 mmol/l (mean +/- SEM) in the 'C-peptide producers' and 18.7 +/- 1.7 mmol/l in the 11 children with low or no detectable C-peptide. Mean M-value, an index of deviation from an ideal blood glucose, was lower in the 'C-peptide producers' (p less than 0.05). It is concluded that residual functioning B cells in diabetic children behave physiologically in that insulin secretion fluctuates in accordance with the prevailing blood glucose; and that the pattern of action of injected insulin is more critical in non-C peptide producers who lack the post-prandial dampening effect provided by residual endogenous insulin secretion.

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  • To minimize the possibility of meal-induced endogenous insulin secretion that could dampen postprandial glucose excursions and confound assessment and interpretation of postprandial glucose fluxes and SI, the authors enrolled a homogenous cohort of individuals with C-peptide-negative diabetes on insulin pump therapy and provided a single-wave prandial insulin bolus for every meal according to ther

    “Furthermore, to minimize the possibility of meal-induced endogenous insulin secretion that could dampen postprandial glucose excursions (28) and confound assessment and interpretation of postprandial glucose fluxes and SI, we enrolled a homogenous cohort of individuals with C-peptide–negative diabetes on insulin pump therapy and provided a single-wave prandial insulin bolus for every meal”

    From Diurnal Pattern of Insulin Action in Type 1 Diabetes (2013) · cites this paper as [28]

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Research works printed but not linked: 3

  1. Faber OK, Binder C, Henriksen C, Drejer J, Heding LG (1976) Plasma C-peptide response to glucagon as a measure of betacell function in insulin dependent diabetes. Diabetes 25: 329
  2. Bergmeyer HU, Bernt E, Schmidt S, Stork H (1974) D-glucose determination with hexokinase and glucose-6-phosphate dehydrogenase, In: Bergmeyer HU (ed) Methods of enzymic analysis, No 3, 2nd edn. Academic Press, New York, pp 1196?1201
  3. Fajans SS, Floyd JC Jr (1972) Stimulation of islet cell secretion by nutrients and by gastrointestinal hormones released during digestion. In: Steiner DF, Freinkel N (eds) Handbook of physiology, section 7, Endocrinology. Endocrine pancreas. American Physiological Society, Washington pp 473?485

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Metadata

Authors
Werther, G. A., Turner, R. C., Jenkins, P. A., & Baum, J. D.
Affiliations
  • John Radcliffe Hospital (GB)
  • University of Oxford (GB)
Venue
Diabetologia
Published
1982-04
Volume
22
Issue
4
Pages
245-249
ISSN
  • 0012-186X (ISSN-L)
  • 1432-0428
OpenAlex
W2039026116
Cited by
11
References
11
Citations by year
2013: 1
FWCI
1.19
Type
journal article
Language
en
Open access
Locations
  • Diabetologia (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pancreatic function and diabetes
Keywords
C-peptide, type 1 diabetes, children, residual beta-cell function, endogenous insulin secretion, blood glucose, m-value, postprandial blood glucose, insulin therapy
MeSH terms
Adolescent, Blood Glucose, C-Peptide, Child, Circadian Rhythm, Diabetes Mellitus, Type 1, Female, Humans, Insulin, Male, Peptides

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