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. 2019 May 27;20(10):2590. doi: 10.3390/ijms20102590

Figure 3.

Figure 3

Opening of the “Voltage-dependent calcium channel VDDC” located on the beta-cell membrane increases calcium influx and increased intracellular calcium trigger beta-cell insulin secretion through exocytosis. GLP1 contribute to the exocytosis process by increasing the cAMP (GLP1: Glucagon like peptide 1, cAMP: Cyclic adenosine monophosphate).