Fig. 6From: Preconditioning of bone marrow-derived mesenchymal stromal cells by tetramethylpyrazine enhances cell migration and improves functional recovery after focal cerebral ischemia in ratsBMSCs preconditioned with TMP increased microvessel density in ischemic brain regions. a Microvessel density determined by vWF immunofluorescence staining. b Quantification of microvessel density. Bars, 50 μm. Values are mean ± SD. *P < 0.01 vs. MCAO. #P < 0.01 vs. TMP. BMSC bone marrow-derived mesenchymal stem cell, vWF Von Willebrand factor, TMP tetramethylpyrazine, MCAO middle cerebral artery occlusionBack to article page