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. 2017 Sep 1;6(11):1339–1349. doi: 10.1016/j.molmet.2017.08.010

Figure 6.

Figure 6

Lixisenatide has no effect on heart rate or LVDP in isolated mouse hearts ex vivo. (A) Heart rate and left ventricular developed pressure (LVDP) in aerobic perfused ex vivo mouse hearts exposed to vehicle (Veh) or increasing doses of lixisenatide (Lixi). (B) Analysis of heart rate (upper panels) and LVDP (lower panels), at baseline and during reperfusion, following a 30 min period of no-flow global ischemia in ex vivo isolated mouse hearts that were exposed to vehicle (control), 0.5 nM GLP-1 7-36 (GLP-1), 5 nM lixisenatide (Lixi), or ischemia preconditioning (IPC). Heart rate recordings during the ischemic period (upper left panel) are very high due to quivering of the heart and have been omitted from the graph. The panels on the right depict AUC data for heart rate or LVDP at baseline and during the reperfusion period. In (A), isoproterenol (isoprot) was used as a positive control at the end of each perfusion. Values are mean ± SE; n = 5–11 hearts/group. ***p < 0.001 for IPC vs all other treatments (One-way ANOVA of AUC LVDP data).