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. 2019 Mar 18;9:10. doi: 10.1038/s41387-019-0076-y

Fig. 1. Effects of a single leptin injection on serum leptin levels and HPA axis activity in DIO and DR rats.

Fig. 1

a, b Note the marked reduction in PVN NE levels in both DIO and DR rats, indicating normal responsiveness to exogenous leptin. c, d Decrease in ME CRH or serum corticosterone in DR rats following leptin injection is not observed in DIO rats. Bars with different notations are significantly different from each other (p < 0.05). * indicates significant difference from the rest of the groups (p < 0.05). 6–8 rats/group