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.
Immunostaining of human NP cells for type-II collagen and aggrecan after they were infected by Ad-GDF-5, Ad-GFP, or no adenovirus (BM group)
Type-II collagen is stained dark brown (a), and aggrecan is shown by red fluorescent staining (b). Scale bar=50 μm (Note: for interpretation of the references to color in this figure legend, the reader is referred to the web version of this article)
