immunohistochemical labeling of frozen sections , as well as immunoblotting analyzes , indicated that the 25-kda inhibitor of actin polymerization is particularly enriched in smooth muscle cells and that its distribution is apparently homogenous throughout the cytoplasm showing no apparent enrichment in the vinculin-rich dense plaques located along the endofacial surface of the plasma membrane .
C0010834
cytoplasm
C0007603
plasma membrane