Research Article

Activation of the Melanocortin-1 Receptor by NDP-MSH Attenuates Oxidative Stress and Neuronal Apoptosis through PI3K/Akt/Nrf2 Pathway after Intracerebral Hemorrhage in Mice

Table 1

Experimental groups and mortality rate.

Experimental groupsNeurological test
Brain water content
ELISAIF stainingWBTUNELExclusionMortalitySubtotal

Experiment 1
 Sham460010
 ICH (6 h, 12 h, 24 h, 72 h, and 7 d)436 (13.95%)43
Experiment 2
 Sham660012
 ICH + PBS6602 (14.29%)14
 ICH + NDP-MSH (1.5 μg/mouse)6602 (14.29%)14
 ICH + NDP-MSH (5 μg/mouse)660012
 ICH + NDP-MSH (15 μg/mouse)6622 (12.5%)16
Experiment 3
 Sham4004
 ICH + PBS640010
 ICH + NDP-MSH6401 (9.09%)11
 ICH + NDP-MSH + Scr siRNA660012
 ICH + NDP-MSH + Mc1r siRNA66414 (19.05%)21
Experiment 4
 ICH + NDP-MSH + DMSO6601 (7.69%)13
 ICH + NDP-MSH + LY29400266412 (10.53%)19
Total305487220720 (9.48%)211

ICH: intracerebral hemorrhage; PBS: phosphate-buffered saline; Mc1r: melanocortin-1 receptor; LY294002: PI3K specific inhibitor; siRNA: small interfering RNA.