Overall expression of CD147 and the percentage of astrocytes with CD147 expression was increased in stroke tissue compared to controls (% CD147 expression 20.72±1.80 vs stroke 47.00±4.27, p<0.001 % astrocyte CD147 protein expression control 10.22±1.07 vs. stroke 61.11±5.66, p<0.001, n = 17/grp. The gene discussed is BSG; the disease is Stroke.