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- Title
JTP‐109192, a novel G protein‐coupled receptor 119 agonist, prevents atherosclerosis by improving hypercholesterolaemia in congenic spontaneously hyperlipidaemic mice.
- Authors
Tadaki, Hironobu; Ogawa, Naoto; Yamanaka, Masao; Motohashi, Yu; Sasase, Tomohiko; Kawai, Takashi; Toriniwa, Yasufumi; Fukuda, Sumiaki; Ogawa, Nobuya; Harada, Kazuhito; Ohta, Takeshi; Yamada, Takahisa
- Abstract
G protein‐coupled receptor 119 (GPR119) expression in pancreatic β‐cells and intestinal L‐cells is a potential therapeutic target for the treatment of type 2 diabetes. Previously, we have reported that the GPR119 agonist JTP‐109192 improves glucose metabolism with single and repeated administration. Conversely, overexpression of the Gpr119 gene reportedly regulates cholesterol transporter expression in animal models, and a natural GPR119 agonist, oleoylethanolamide (OEA), improves atherosclerosis. Therefore, improving dyslipidaemia is considered a possible feature of GPR119 agonists. In the present study, the lipid‐lowering effect of JTP‐109192 was examined in BALB/c background spontaneously hyperlipidaemic (SHL) mice with repeated administration, once daily for 12 weeks. On repeated administration, JTP‐109192 revealed a cholesterol‐lowering effect and improved atherosclerosis following histopathological examination. With further investigation, the cholesterol‐lowering effect and subsequent antiatherosclerotic effect of JTP‐109192 was attributed to changes in intestinal cholesterol metabolism gene expression. Based on these results, JTP‐109192 represents a new potential antihypercholesterolaemic agent for the treatment of dyslipidaemia.
- Subjects
ATHEROSCLEROSIS; CHOLESTEROL metabolism; G protein coupled receptors; TYPE 2 diabetes; GENETIC overexpression; GLUCOSE metabolism; PANCREATIC enzymes
- Publication
Clinical & Experimental Pharmacology & Physiology, 2021, Vol 48, Issue 3, p381
- ISSN
0305-1870
- Publication type
Article
- DOI
10.1111/1440-1681.13423