DCX and brain ischemia: Compared to the pMCAO + Vehicle group, PGRN treatment significantly increased DCX expression in SGZ both 7 and 14 days after cerebral ischemia (F(2, 12) = 28.347, p < 0.01; F(2, 12) = 77.252, p < 0.01, at post‐ischemic days 7 and 14, respectively; Figure 5B).