http://ideas.eyeconx.net/story.php?title=natural-defense-against-infection-discovered-in-the-cornea- Exposed tissue surfaces, including skin and mucous membranes, are under constant threat of attack by microorganisms in the environment. The layer of cells that line these areas, known as epithelial cells, are the first line of defense against these pathogens, but the underlying molecular mechanisms that allow them to repel microbes are unknown. In this issue of the Journal of Clinical Investigati... Tue, 09 Oct 2012 16:07:47 EDT en