An official website of the United States government
Here's how you know
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.
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
Expression level of TIMP-1, MMP-9 and α-SMA of the lung tissues in rats. (A) normal group; (B) model group; (C) PAG group; (D–F) are RRL groups treated with 125, 250 and 500 mg/kg, respectively.