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Article Abstract
Persistent activation of hepatic gluconeogenesis is a main cause of fasting hyperglycemia in patients with type 2 diabetes (T2D), and the salt-induced kinase 1 (SIK1) acts as a key modulator in regulating hepatic gluconeogenesis. Recently, we first reported phanginin A (PA, 1), a natural cassane diterpenoid isolated from the seeds of Caesalpinia sappan, exhibited potent anti-diabetic effect through activation of SIK1 and increasing PDE4 activity to inhibit hepatic gluconeogenesis pathway by suppressing the cAMP/PKA/CREB pathway in the liver. In present study, we designed and prepared 25 PA derivatives and their structure-activity relationship (SAR) for gluconeogenesis inhibitory activity were established. Among them, compound 7 exhibited remarkable inhibitory activity on hepatic gluconeogenesis by enhancing the SIK1 phosphorylation and ameliorated the hyperglyceamia of type 2 diabetic mice. Our results supported that compound 7 could be served as a potential candidate for the treatment of T2D.
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| http://dx.doi.org/10.1016/j.ejmech.2022.114171 | DOI Listing |
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