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.
MIND xenografts from the MCF-7:5C/shIF (a), MCF-7/C9Con and MCF-7/IF-2 (b) cell lines were stained for matrix metalloproteinase 1 (MMP1) expression by immunohistochemistry and representative images are shown. Mammary ducts are outlined in gray and MMP1 positive invasive cells indicated with arrows. ** p< 0.01
