Email updates    Highly Accessed Review  Cells of the synovium
in rheumatoid arthritis. Synovial fibroblasts  Ulf Müller-
Ladner1*, Caroline Ospelt2, Steffen Gay2, Oliver Distler2 and
Thomas Pap3  Author Affiliations  1 Justus-Liebig-University
Giessen, Department of Rheumatology and Clinical Immunology,
Kerckhoff-Clinic Bad Nauheim, Benekestrasse, D-61231 Bad
Nauheim, Germany  2 Center for Experimental Rheumatology,
Department of Rheumatology and Zurich Center for Integrative
Human Physiology (ZIHP), University Hospital Zürich,
Gloriastrasse, CH-8091 Zürich, Switzerland  3 Division of
Molecular Medicine of Musculoskeletal Tissue, University of
Münster, Domagkstrasse, D-48149 Münster, Germany  For all author
emails, please log on.  Arthritis Research & Therapy 2007,
9:223  doi:10.1186/ar2337   Published:20 December 2007  © 2007
BioMed Central Ltd   For some time synovial fibroblasts have
been regarded simply as innocent synovial cells, mainly
responsible for synovial homeostasis. During the past decade,
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