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.
The expression of K4 and K13 was low in all of the tested conditions. (a,b) Immunohistochemical staining (DAB) with anti-cytokeratin 4 in the control cultures or (c) in the co-cultures with the A. actinomycetemcomitans biofilm shows no expression of K4. (a,b) Immunohistochemical staining (DAB) with anti-cytokeratin 13 shows only a few stained cells in the control cultures. (c) In the co-cultures with A. actinomycetemcomitans biofilm, no expression of K13 is observed.
