Insulin secretion in fetal and newborn sheep

Anthony F Philipps, B. S. Carson, G. Meschia, F. C. Battaglia

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The relationships between arterial plasma insulin, glucose, and fructose concentrations during the fed and fasted state were studied in seven fetal lambs and their mothers. A significant correlation between insulin and glucose concentration was noted in all fetal lambs and in their mothers. Fetal sensitivity to glucose, as measured by the slopes of the insulin-response curves, was equal to that of the adult although the fetal response was shifted to the left of the maternal. Glucose infusion in four fetal lambs caused significant insulin elevations but no early insulin response (phase I). Maternal fasting caused no alteration in glucose-induced response in the fetus. Similar glucose infusions in newborn and 1-mo-old lambs demonstrated significant early-phase insulin secretion. Basal insulin to glucose ratios were consistent with an adult pattern as early as 3 days after birth.

Original languageEnglish (US)
JournalAmerican Journal of Physiology Endocrinology Metabolism and Gastrointestinal Physiology
Volume4
Issue number5
StatePublished - 1978
Externally publishedYes

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Sheep
Insulin
Glucose
Mothers
Fructose
Fasting
Fetus
Parturition

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Insulin secretion in fetal and newborn sheep. / Philipps, Anthony F; Carson, B. S.; Meschia, G.; Battaglia, F. C.

In: American Journal of Physiology Endocrinology Metabolism and Gastrointestinal Physiology, Vol. 4, No. 5, 1978.

Research output: Contribution to journalArticle

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