期刊
REGULATORY PEPTIDES
卷 177, 期 1-3, 页码 92-96出版社
ELSEVIER
DOI: 10.1016/j.regpep.2012.05.091
关键词
Diabetes; Islet; Insulin; Glucagon-like peptide 1; Microcirculation; Incretin
资金
- EFSD/CDS/Lilly Research Fellowship
- Novo Nordisk A/S
Liraglutide, an analog of glucagon-like peptide-1 (GLP-1), is an effective anti-diabetic agent with few side effects. Since native GLP-1 exerts vascular effects, we investigated changes in pancreatic islet blood flow using a non-radioactive microsphere technique, as well as insulin concentration and glucose tolerance after 17 day treatment with liraglutide in 6-week-old Goto-Kakizaki (GK) rats. Compared to saline-treated control GK rats, liraglutide limited body weight gain, decreased glycemia, improved glucose tolerance and lowered serum insulin concentration. Neither pancreatic or islet blood flow, nor pancreatic insulin content, was affected by liraglutide treatment. We conclude that early intervention with liraglutide decreases glycemia and improves glucose tolerance, thus halting the natural progression towards diabetes, without affecting islet microcirculation or pancreatic insulin content in young female GK rats. (C) 2012 Elsevier B.V. All rights reserved.
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