Journal
MEDICAL HYPOTHESES
Volume 71, Issue 5, Pages 727-729Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.mehy.2008.07.003
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Funding
- National Natural Science Foundation of China [30760255]
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Wear particles-induced periprosthetic osteolysis involved in proinflammatory cytokine production and osteoclastogenesis, is the major cause of prosthetic join implant loosening. Recent advances in our understanding of cellular and molecular mechanisms of periprosthetic osteolysis have highlighted cytokine release and osteoctast function controlled by numerous intracellular signaling pathway, one of which is nuclear factor kappa B (NF kappa B). Direct inhibition of NF kappa B is an efficient therapy to block bone erosion associated with inflammatory arthritis. There are no approved nonoperative treatments for periprosthetic osteolysis. Gene therapy, however, offers novel possibilities. As the implant interface cells are located in the closed joint space, intra-articular injection of siRNA (small interfering RNA) is accessible as local administration to avoid systemic side effect. We postulate that local administration of siRNA for NF kappa B could inhibit wear particles-induced inflammatory osteolysis. In our opinion, this gene therapy seems to hold interesting future prospects for effective therapeutic interventions in humans. (C) 2008 Elsevier Ltd. All rights reserved.
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