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.
Expression of aggrecan mRNA and collagen II mRNA was analyzed by real-time PCR. Data are expressed as mean ± standard deviation, n = 3. *: Indicates a significant difference (P<0.05) between two groups.
