Acute administration of interleukin-6 does not increase secretion of glucagon-like peptide-1 in mice
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Acute administration of interleukin-6 does not increase secretion of glucagon-like peptide-1 in mice. / Christiansen, Charlotte B.; Lind, Sara J.; Svendsen, Berit; Balk-Møller, Emilie; Dahlby, Tina; Kuhre, Rune E; Hartmann, Bolette; Mandrup-Poulsen, Thomas; Deacon, Carolyn F; Albrechtsen, Nicolai J. Wewer; Holst, Jens J.
I: Physiological Reports, Bind 6, Nr. 13, e13788, 2018, s. 1-8.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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T1 - Acute administration of interleukin-6 does not increase secretion of glucagon-like peptide-1 in mice
AU - Christiansen, Charlotte B.
AU - Lind, Sara J.
AU - Svendsen, Berit
AU - Balk-Møller, Emilie
AU - Dahlby, Tina
AU - Kuhre, Rune E
AU - Hartmann, Bolette
AU - Mandrup-Poulsen, Thomas
AU - Deacon, Carolyn F
AU - Albrechtsen, Nicolai J. Wewer
AU - Holst, Jens J.
PY - 2018
Y1 - 2018
N2 - Interleukin 6 (IL-6) is a cytokine secreted from skeletal muscle in response to exercise which, based on animal and cell studies, has been suggested to contribute to glucose metabolism by increasing secretion of the incretin hormone glucagon-like peptide-1 (GLP-1) and affecting secretion of insulin and glucagon from the pancreatic islets. We investigated the effect of IL-6 on GLP-1 secretion in GLP-1 producing cells (GLUTag) and using the perfused mouse small intestine (harboring GLP-1 producing cells). Furthermore, the direct effect of IL-6 on insulin and glucagon secretion was studied using isolated perfused mouse pancreas. Incubating GLUTag cells with 1000 ng/mL of IL-6 for 2 h did not significantly increase secretion of GLP-1 whereas 10 mmol/L glucose (positive control) did. Similarly, IL-6 (100 ng/mL) had no effect on GLP-1 secretion from perfused mouse small intestine whereas bombesin (positive control) increased secretion. Finally, administering IL-6 (100 ng/mL) to perfused mouse pancreases did not significantly increase insulin or glucagon secretion regardless of perfusate glucose levels (3.5 vs. 12 mmol/L glucose). Acute effects of IL-6 therefore do not seem to include a stimulatory effect on GLP-1 secretion in mice.
AB - Interleukin 6 (IL-6) is a cytokine secreted from skeletal muscle in response to exercise which, based on animal and cell studies, has been suggested to contribute to glucose metabolism by increasing secretion of the incretin hormone glucagon-like peptide-1 (GLP-1) and affecting secretion of insulin and glucagon from the pancreatic islets. We investigated the effect of IL-6 on GLP-1 secretion in GLP-1 producing cells (GLUTag) and using the perfused mouse small intestine (harboring GLP-1 producing cells). Furthermore, the direct effect of IL-6 on insulin and glucagon secretion was studied using isolated perfused mouse pancreas. Incubating GLUTag cells with 1000 ng/mL of IL-6 for 2 h did not significantly increase secretion of GLP-1 whereas 10 mmol/L glucose (positive control) did. Similarly, IL-6 (100 ng/mL) had no effect on GLP-1 secretion from perfused mouse small intestine whereas bombesin (positive control) increased secretion. Finally, administering IL-6 (100 ng/mL) to perfused mouse pancreases did not significantly increase insulin or glucagon secretion regardless of perfusate glucose levels (3.5 vs. 12 mmol/L glucose). Acute effects of IL-6 therefore do not seem to include a stimulatory effect on GLP-1 secretion in mice.
U2 - 10.14814/phy2.13788
DO - 10.14814/phy2.13788
M3 - Journal article
C2 - 29981198
VL - 6
SP - 1
EP - 8
JO - Physiological Reports
JF - Physiological Reports
SN - 2051-817X
IS - 13
M1 - e13788
ER -
ID: 209573725