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Tumour necrosis factor antagonists and tocilizumab have a higher impact on rheumatoid arthritis osteoclastogenic stimuli than methotrexate
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  1. I Perpétuo1,
  2. D Fernandes1,
  3. R Cascão1,
  4. R Moura1,
  5. J Caetano-Lopes1,
  6. A Rodrigues1,2,
  7. J Polido-Pereira1,2,
  8. M Viana Queiroz2,
  9. J E Fonseca1,2,
  10. H Canhão1,2
  1. 1Unidade de Investigação em Reumatologia, Instituto de Medicina Molecular/Faculdade de Medicina de Lisboa
  2. 2Rheumatology and Bone Metabolic Diseases Department, Hospital de Santa Maria, Lisboa, Portugal

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Background

Rheumatoid arthritis (RA) is a systemic disease characterised by hyperactivation of the immune system leading to chronic inflammation and joint damage. The inflammatory environment potentiates bone resorption, modulating the balance between RANKL and osteoprotegerin (OPG). Prednisone (PDN), methotrexate (MTX), anti-tumour necrosis factor (TNF) and anti-interleukin 6 (IL6) receptor therapies reduce disease activity, but their differential biological impact …

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