Abstract:
:Pioglitazone (PIO) has been reported to be effective for nonalcoholic fatty liver disease (NAFLD) and alogliptin (ALO) may have efficacy against NAFLD progression in patients with type 2 diabetes mellitus (T2DM). The present study examined the effectiveness of ALO in a rodent model of NAFLD and diabetes mellitus. KK‑Ay mice were used to produce an NAFLD model via administration of a choline‑deficient (CD) diet. To examine the effects of alogliptin, KK‑Ay mice were provided with a CD diet with 0.03% ALO and/or 0.02% PIO orally for 8 weeks. Biochemical parameters, pathological alterations and hepatic mRNA levels associated with fatty acid metabolism were assessed. Severe hepatic steatosis was observed in KK‑Ay mice fed with a CD diet, which was alleviated by the administration of ALO and/or PIO. ALO administration increased the hepatic carnitine palmitoyltransferase 1a (CPT1a) mRNA expression level and enhanced the Thr172 phosphorylation of AMP‑activated protein kinase α (AMPKα) in the liver. PIO administration tended to decrease the hepatic fatty acid synthase mRNA expression level and increase the serum adiponectin level. Homeostasis model of assessment‑insulin resistance values tended to improve with ALO and PIO administration. ALO and PIO alleviated hepatic steatosis in KK‑Ay mice fed with a CD diet. ALO increased hepatic mRNA expression levels associated with fatty acid oxidation. In addition, the results of the present study suggested that ALO promotes CPT1a expression via Thr172 phosphorylation of AMPKα.
journal_name
Mol Med Repjournal_title
Molecular medicine reportsauthors
Tobita H,Sato S,Yazaki T,Mishiro T,Ishimura N,Ishihara S,Kinoshita Ydoi
10.3892/mmr.2018.8673subject
Has Abstractpub_date
2018-05-01 00:00:00pages
6840-6846issue
5eissn
1791-2997issn
1791-3004journal_volume
17pub_type
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