- NADPH-oxidase-driven oxygen radical production determines chondrocyte death and partly regulates metalloproteinase-mediated cartilage matrix degradation during interferon-gamma-stimulated immune complex arthritis. van Lent, P.L., Nabbe, K.C., Blom, A.B., Sloetjes, A., Holthuysen, A.E., Kolls, J., Van De Loo, F.A., Holland, S.M., Van Den Berg, W.B. Arthritis Res. Ther. (2005)