Effect of POCR with two different atRA contents on the proliferation and migration of HASMC and HUVEC. (A) HASMC proliferation and (B) HUVEC proliferation. N = 4, Mean ± SD. *p < 0.05, **p < 0.01, ***p < 0.001. (C) HASMC migration and (D) HUVEC migration 24 h postscratch shows selective reduction of HASMC migration only on POCR. N ≥ 7, Mean ± SD. *p < 0.05, **p < 0.01, ***p < 0.001.