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Plasma proteins present in osteoarthritic synovial fluid can stimulate cytokine production via Toll-like receptor 4

Dong Hyun Sohn, Jeremy Sokolove, Orr Sharpe, Jennifer C Erhart, Piyanka E Chandra, Lauren J Lahey, Tamsin M Lindstrom, Inyong Hwang, Katherine A Boyer, Thomas P Andriacchi and William H Robinson*

Arthritis Research & Therapy 2012, 14:R7  doi:10.1186/ar3555

See related editorial by Goldring and Scanzello,