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.
Cytotoxicity of protease on A431 cells. (A) Representative phase contrast photo micrographs of A431 cells in control and cells treated with protease (10 μg/ml) for 24 h. (B) Bar diagrams representing cytotoxicity by MTT assay on A431 cells treated with 10–100 μg/ml of protease. (C) Proliferation of human epidermoid cells analyzed by live (green)/ dead (red) staining after 24 and 48 h of protease treatment studied by confocal microscopy.
