Histological analysis of muscle tissues control, 3, 14, and 28 days post-operation hematoxylin-eosin (HE) staining.

Abstract

<p>WT: wild type, KO: knockout. (A) Muscle tissues at control and 3 days post-operation, (B) Muscle tissues at 14 and 28 days post-operation. (Scale bar = 50μm). (A and B) The injured muscle was almost recovered 14 days after injury in WT group, but not in the p21 KO group.</p