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(A–C) Representative IHC showing occludin signal in blood vessels in ipsilateral penumbral areas (interaural 1.98 mm). Occludin immunoreactivity was stronger in LBP10 group (arrow, C). Inserts, higher magnification of typical blood vessels. Scale bar = 25 µm, inserts scale bar = 25 µm. (D) Western blots exhibiting higher level of occludin in LBP group. *P<0.05, ANOVA followed by Bonferroni's test, n = 3–5 for all groups.
