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. Author manuscript; available in PMC: 2012 Aug 14.
Published in final edited form as: Transl Stroke Res. 2012 Mar 6;3(2):279–285. doi: 10.1007/s12975-012-0148-y

Figure 2.

Figure 2

Effect of transient focal cerebral ischemia on myogenic properties of MCAs from sham-operated and ischemic stroke rats at 2 days or 2 weeks after transient MCAO. Myogenic tone was calculated in terms of wall thickness and lumen diameter change as: (Calcium free – spontaneous) / calcium free × 100. Significant impairment of spontaneous myogenic tone of MCAs from both ischemic (IS) and non-ischemic (CL) hemispheres was observed at 2 days and 2 weeks after ischemic stroke (A, B). Only a mild impairment of myogenic tone of MCAs from the ischemic hemisphere was found at 2 days after ischemic when 80 mM KCl solution (80K) was applied (C, D). Sham: n=5; 2 days ischemic MCA: n=6; 2 days non-ischemic MCA: n=6; 2 weeks ischemic MCA: n=7; 2 weeks non-ischemic MCA: n=7. * p<0.05 vs sham.