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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hao, Yanan Liu, Chunyan Yin, Fei Zhang, Yonglan Liu, Jianhui |
| Copyright Year | 2016 |
| Abstract | Our previous work showed that geniposide affected glucose-stimulated insulin secretion (GSIS) via regulating glucose uptake and metabolism in pancreatic β cells; however, the molecular mechanisms remain largely unknown. Substantial evidence suggests that activation of 5′-AMP-activated protein kinase (AMPK) plays a central role in GSIS. Here, we aim to determine the role of AMPK on geniposide-regulated GSIS in rat pancreatic INS-1 cells. The results demonstrated that 6-[4-(2-piperidin-1-yletoxy)-phenyl]-3-pyridin-4-yl-pyrazolo[1,5-α] pyrimidine (Compound C; an AMPK inhibitor) significantly attenuated the effects of geniposide on glucose uptake, energy metabolism, and insulin secretion in INS-1 cells. We also observed that geniposide induced phosphorylation of acetyl-CoA carboxylase (ACC), a marker of AMPK activity, in a time-dependent manner in INS-1 cells; however, in the presence of Compound C, the influence of geniposide on ACC phosphorylation was obviously inhibited. Furthermore, the knockdown of AMPK protein with AMPK siRNA treatment decreased the effects of geniposide on glucose uptake, adenosine triphosphate production, and GSIS. All these data indicate that AMPK plays an essential role in geniposide-regulated GSIS in pancreatic β cells. |
| Starting Page | 123 |
| Ending Page | 130 |
| Page Count | 8 |
| File Format | |
| ISSN | 13403443 |
| Journal | Journal of Natural Medicines |
| Volume Number | 71 |
| Issue Number | 1 |
| e-ISSN | 18610293 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2016-09-07 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Acetyl-CoA carboxylase (ACC) 5′-AMP-activated protein kinase (AMPK) Geniposide Glucose-stimulated insulin secretion (GSIS) Pharmacology/Toxicology Plant Sciences Complementary & Alternative Medicine Medicinal Chemistry Pharmacy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Drug Discovery Molecular Medicine Complementary and Alternative Medicine Pharmaceutical Science |
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