Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

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.

View full-text article in PMC

. 2009 Dec 2;4(12):e8131. doi: 10.1371/journal.pone.0008131

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Izquierdo et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

PMC Copyright notice

Double immunoflurescent labeling of endothelium (CD31, red fluorescence) and pericytes/smooth muscle cells (aSMA, green fluorescence) in normal and RA synovial tissue is shown. Original magnification ×400. Right panels show the same area as in middle panels with higher magnification. Mature CD31+ vessels covered by aSMA+ periendothelial cells are marked by arrows, and immature CD31+ vessels lacking aSMA+ mural cells by arrow heads.