• 1
    Okroj M, Heinegard D, Holmdahl R, Blom AM.Rheumatoid arthritis and the complement system.Ann Med2007;39:51730.
  • 2
    Thiel S, Gadjeva M.Humoral pattern recognition molecules: mannan-binding lectin and ficolins.Adv Exp Med Biol2009;653:5873.
  • 3
    Teh C, Le Y, Lee SH, Lu J.M-ficolin is expressed on monocytes and is a lectin binding to N-acetyl-D-glucosamine and mediates monocyte adhesion and phagocytosis of Escherichia coli.Immunology2000;101:22532.
  • 4
    Kjaer TR, Hansen AG, Sorensen UB, Nielsen O, Thiel S, Jensenius JC.Investigations on the pattern recognition molecule M-ficolin: quantitative aspects of bacterial binding and leukocyte association.J Leukoc Biol2011;90:42537.
  • 5
    Schlapbach LJ, Kjaer TR, Thiel S, Mattmann M, Nelle M, Wagner BP, et al.M-ficolin concentrations in cord blood are related to circulating phagocytes and to early-onset sepsis.Pediatr Res2012;71:36874.
  • 6
    Frankenberger M, Schwaeble W, Ziegler-Heitbrock L.Expression of M-ficolin in human monocytes and macrophages.Mol Immunol2008;45:142430.
  • 7
    Ammitzboll CG, Thiel S, Ellingsen T, Deleuran B, Jorgensen A, Jensenius JC, et al.Levels of lectin pathway proteins in plasma and synovial fluid of rheumatoid arthritis and osteoarthritis.Rheumatol Int2011;32:145763.
  • 8
    Vander Cruyssen B, Nuytinck L, Boullart L, Elewaut D, Waegeman W, Van Thielen M, et al.Polymorphisms in the ficolin 1 gene (FCN1) are associated with susceptibility to the development of rheumatoid arthritis.Rheumatology (Oxford)2007;46:17925.
  • 9
    Prevoo ML, van 't Hof MA, Kuper HH, van Leeuwen MA, van de Putte LB, van Riel PL.Modified disease activity scores that include twenty-eight–joint counts: development and validation in a prospective longitudinal study of patients with rheumatoid arthritis.Arthritis Rheum1995;38:448.
  • 10
    Horslev-Petersen K, Hetland ML, Junker P, Podenphant J, Ellingsen T, Ahlquist P, et al, OPERA Study Group.Adalimumab added to a treat-to-target strategy with methotrexate and intra-articular triamcinolone in early rheumatoid arthritis increased remission rates, function and quality of life. The OPERA Study: an investigator-initiated, randomised, double-blind, parallel-group, placebo-controlled trial.Ann Rheum Dis2013. E-pub ahead of print.
  • 11
    Van der Heijde DM.How to read radiographs according to the Sharp/van der Heijde method [corrected and republished in J Rheumatol 2000;27:261–3].J Rheumatol1999;26:7435.
  • 12
    Fries JF, Spitz P, Kraines RG, Holman HR.Measurement of patient outcome in arthritis.Arthritis Rheum1980;23:13745.
  • 13
    Wittenborn T, Thiel S, Jensen L, Nielsen HJ, Jensenius JC.Characteristics and biological variations of M-ficolin, a pattern recognition molecule, in plasma.J Innate Immun2010;2:16780.
  • 14
    Smolen JS, Breedveld FC, Schiff MH, Kalden JR, Emery P, Eberl G, et al.A Simplified Disease Activity Index for rheumatoid arthritis for use in clinical practice.Rheumatology (Oxford)2003;42:24457.
  • 15
    Wright HL, Moots RJ, Bucknall RC, Edwards SW.Neutrophil function in inflammation and inflammatory diseases.Rheumatology (Oxford)2010;49:161831.
  • 16
    Kuraya M, Ming Z, Liu X, Matsushita M, Fujita T.Specific binding of L-ficolin and H-ficolin to apoptotic cells leads to complement activation.Immunobiology2005;209:68997.
  • 17
    Pincus T, Sokka T.Laboratory tests to assess patients with rheumatoid arthritis: advantages and limitations.Rheum Dis Clin North Am2009;35:7314,vi–vii.
  • 18
    Conaghan P.Predicting outcomes in rheumatoid arthritis.Clin Rheumatol2011;30 Suppl 1:S417.