Objective To investigate focal cerebral ischemia on cell proliferation and expression of glial fibrillary acidic protein(GFAP) in caveolin-1 knockout mice. Methods Focal cerebral ischemia was induced by middle cerebral artery occlusion(MCAO) to caveolin-1-knockout mice and homologous C57 wild-mice. Expression of BrdU and GFAP in the brain were detected using immunohistochemistry in the postoperative 7d. Results The number of BrdU( (29.04 ± 1.68 )/mm^2 ; ( 24. 13 ± 1.57 )/mm^2 ) and GFAP-positive cells ( ( 10.75 ±2.32 ) /mm^2 ; (...