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Effects of pre- or post-SAB treatment on TNF-α induced hyper-permeability in cerebral venules. A: The images of FITC-labeled albumin in and out of the venules; B: The changes of venular permeability quantified with the ratio of the fluorescence intensity in and out of the venules. Data are expressed as means ± SEM (n = 3 in all groups). * p < 0.05, compared with control group. Δp < 0.05, compared with TNF-α group.
