期刊
BIOLOGICAL & PHARMACEUTICAL BULLETIN
卷 28, 期 7, 页码 1192-1196出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/bpb.28.1192
关键词
synthetic compound; peroxisome proliferator-activated receptor; retinoid X receptor; type 2 diabetes
Retinoid X receptor (RXR) forms heterodimers with peroxisome proliferator-activated receptors (PPARs, with subtypes of alpha, delta and gamma), and the heterodimers can be activated by either an RXR or a PPAR subtype-specific ligand. Based on the chemical structure of the RXR natural ligand, 9-cis-retinoic acid (9-cis-RA), we designed and synthesized a retinoid-like compound, CS018. In vitro characterizations by cell-based reporter gene assays indicated that CS018 activated RXR homodimers and the heterodimers of RXR with PPARs, but not with farnesoid X-activated receptor (FXR) and liver X-activated receptor (LXR). Furthermore, RT-PCR results showed that CS018 induced the expression of the PPAR gamma target genes, CD36 and lipoprotein lipase (LPL). In vivo studies on the diabetic db/db mice demonstrated that CS018 dramatically lowered the animal blood glucose levels. CS018 thus may represent a new retinoid-like compound that activates RXR/PPARs and has potential therapeutic applications in type 2 diabetes and other metabolic diseases.
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