Effects of intra-abomasal infusion of ß-casomorphins on circulating concentrations of hyperglycaemic insulin and glucose in dairy cows

T. G. Kim, J. J. Choung, D. G. Chamberlain, R. J. Wallace

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Abstract

The effects of intra-abomasal infusion of a mixture of -casomorphins on circulating concentrations of insulin and glucose prestimulated by either abomasal (experiment 1) or intravenous (experiment 2) glucose were studied using non-lactating dairy cows. In both experiments, bolus infusion of 240 mg of a mixture of three ß-casomorphins (ß-casomorphin-4-amide, -5 and -7) was given via an abomasal infusion line. The ß-casomorphins significantly lowered the responses of serum insulin to both abomasal and intravenous glucose infusions (P <0.05). However, the ß-casomorphins did not significantly affect circulating glucose concentrations. The insulinopenic action of the ß-casomorphins is consistent with the action of somatostatin-28 (SS-28) as judged from the effects of SS-28 on the insulin secretion when administered intravenously in experiment 1. (C) 2000 Elsevier Science Inc.
Original languageEnglish
Pages (from-to)249-257
Number of pages9
JournalComparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology
Volume127
Issue number3
DOIs
Publication statusPublished - Nov 2000

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Dairies
Somatostatin-28
Insulin
Glucose
Experiments
Intravenous Infusions
Amides
Serum

Cite this

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title = "Effects of intra-abomasal infusion of {\ss}-casomorphins on circulating concentrations of hyperglycaemic insulin and glucose in dairy cows",
abstract = "The effects of intra-abomasal infusion of a mixture of -casomorphins on circulating concentrations of insulin and glucose prestimulated by either abomasal (experiment 1) or intravenous (experiment 2) glucose were studied using non-lactating dairy cows. In both experiments, bolus infusion of 240 mg of a mixture of three {\ss}-casomorphins ({\ss}-casomorphin-4-amide, -5 and -7) was given via an abomasal infusion line. The {\ss}-casomorphins significantly lowered the responses of serum insulin to both abomasal and intravenous glucose infusions (P <0.05). However, the {\ss}-casomorphins did not significantly affect circulating glucose concentrations. The insulinopenic action of the {\ss}-casomorphins is consistent with the action of somatostatin-28 (SS-28) as judged from the effects of SS-28 on the insulin secretion when administered intravenously in experiment 1. (C) 2000 Elsevier Science Inc.",
author = "Kim, {T. G.} and Choung, {J. J.} and Chamberlain, {D. G.} and Wallace, {R. J.}",
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T1 - Effects of intra-abomasal infusion of ß-casomorphins on circulating concentrations of hyperglycaemic insulin and glucose in dairy cows

AU - Kim, T. G.

AU - Choung, J. J.

AU - Chamberlain, D. G.

AU - Wallace, R. J.

N1 - Medline is the source for the MeSH terms of this document.

PY - 2000/11

Y1 - 2000/11

N2 - The effects of intra-abomasal infusion of a mixture of -casomorphins on circulating concentrations of insulin and glucose prestimulated by either abomasal (experiment 1) or intravenous (experiment 2) glucose were studied using non-lactating dairy cows. In both experiments, bolus infusion of 240 mg of a mixture of three ß-casomorphins (ß-casomorphin-4-amide, -5 and -7) was given via an abomasal infusion line. The ß-casomorphins significantly lowered the responses of serum insulin to both abomasal and intravenous glucose infusions (P <0.05). However, the ß-casomorphins did not significantly affect circulating glucose concentrations. The insulinopenic action of the ß-casomorphins is consistent with the action of somatostatin-28 (SS-28) as judged from the effects of SS-28 on the insulin secretion when administered intravenously in experiment 1. (C) 2000 Elsevier Science Inc.

AB - The effects of intra-abomasal infusion of a mixture of -casomorphins on circulating concentrations of insulin and glucose prestimulated by either abomasal (experiment 1) or intravenous (experiment 2) glucose were studied using non-lactating dairy cows. In both experiments, bolus infusion of 240 mg of a mixture of three ß-casomorphins (ß-casomorphin-4-amide, -5 and -7) was given via an abomasal infusion line. The ß-casomorphins significantly lowered the responses of serum insulin to both abomasal and intravenous glucose infusions (P <0.05). However, the ß-casomorphins did not significantly affect circulating glucose concentrations. The insulinopenic action of the ß-casomorphins is consistent with the action of somatostatin-28 (SS-28) as judged from the effects of SS-28 on the insulin secretion when administered intravenously in experiment 1. (C) 2000 Elsevier Science Inc.

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EP - 257

JO - Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology

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