Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Characterization of epithelial structures in collagen gels after 2 weeks in culture. Co-cultures of MCF7 cells and RMF were characterized using immunohistochemical analyses for luminal epithelial cell origin (Keratin 18), adherens junctions (E-cadherin), and polarization (Sialomucin). No staining was observed for the basement membrane marker type IV collagen. Arrowhead points to fibroblast. Scale bar: 50 μm.
