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Neopterin production in inflamed knee joints: high levels in synovial fluids

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Summary

Neopterin levels of serum and fluid were determined in 30 patients with inflammatory synovial fluids and in 30 controls with joint effusions induced by trauma or osteoarthritis. Neopterin was significantly elevated in inflammatory fluids. There was no correlation with the acute phase reactants. Neopterin levels were significantly higher in inflammatory fluids than in serum, and vice versa in non-inflammatory conditions. Our results indicate that in arthritis neopterin is produced locally in the joint by monocytes induced by T-cell activation.

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Authors and Affiliations

  1. Immunologisches Labor, Goethestrasse 7, D-5482, Grafschaft-Holzweiler, Federal Republic of Germany

    G. Maerker-Alzer

  2. Medizinische Universitätsklinik, D-5000, Köln, Federal Republic of Germany

    O. Diemer

  3. Orthopädische und Unfall-Abteilung, Eduardus-Krankenhaus, D-5000, Köln, Federal Republic of Germany

    R. Strümper

  4. Klinik für Orthopädie und Sporttraumatologie, Dreifaltigkeits-Krankenhaus, D-5000, Köln, Federal Republic of Germany

    M. Rohe

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  1. G. Maerker-Alzer
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  2. O. Diemer
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  3. R. Strümper
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  4. M. Rohe
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Maerker-Alzer, G., Diemer, O., Strümper, R. et al. Neopterin production in inflamed knee joints: high levels in synovial fluids. Rheumatol Int 6, 151–154 (1986). https://doi.org/10.1007/BF00541281

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  • DOI: https://doi.org/10.1007/BF00541281

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