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Revista médica de Chile

versión impresa ISSN 0034-9887


AGUILLON G, Juan C et al. Emergent therapies for rheumatoid arthritis. Rev. méd. Chile [online]. 2005, vol.133, n.8, pp.969-976. ISSN 0034-9887.

The use of biological agents such as etanercept, infliximab, adalimumab and anakinra has been recently approved for the treatment of rheumatoid arthritis. All are effective controlling signs and symptoms and inhibiting disease progression. To overcome the problems generated by their high costs and possible participation in reactivating latent infections, other therapeutic tools are being developed. Gene therapy using expression vectors carrying genes coding for specific proteins, may interfere in key points involved in the pathogenesis of the disease. Intra-articular administration of cDNA coding for soluble TNF receptors, IL-1, or IL-1Ra decreases signs of the disease in animal models. Vectors, expressing inhibitors of signal transduction pathways involving to NF-kB and JAK-STAT-3, are effective in modulating joint inflammation in mice. The use of antigen-pulsed antigen presenting cells or dendritic cells (DC) bound to apoptosis-inducing molecules, specifically eliminates autoreactive T cells. Other novel approach attempts the development of T regulatory-inducing tolerogenic DC-based vaccines that inhibit autoreactive T cells, through the secretion of suppressing cytokines or by other mechanisms to be elucidated. Oral tolerance induction to auto-antigens is also a successful experimental strategy under study. Current research aims to control peripheral tolerance in rheumatoid arthritis patients

Palabras clave : Arthritis, rheumatoid; Biological therapy; Gene therapy.

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