New data demonstrate that cobalt ions promote immune system activation through Toll-like receptor 4 signalling. This finding adds to our understanding of the adverse innate and adaptive immune reactions evoked by debris released from metal-on-metal total or resurfacing joint replacement implants, which have provoked recommendations against their use.
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Understanding the reactivity of CoCrMo-implant wear particles
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Konttinen, Y., Pajarinen, J. Adverse reactions to metal-on-metal implants. Nat Rev Rheumatol 9, 5–6 (2013). https://doi.org/10.1038/nrrheum.2012.218
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DOI: https://doi.org/10.1038/nrrheum.2012.218
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Understanding the reactivity of CoCrMo-implant wear particles
npj Materials Degradation (2018)