SOD1 and rheumatoid arthritis: The recombinant SOD protein described could be used in diverse applications previously described for other SODs, such as the formulation of cosmetics and pharmaceutical creams that detain the aging process and provide photoprotection against UV radiation [29,30]; therapies to treat diseases in which Cu/ZnSOD plays an important role, such as rheumatoid arthritis, inflammatory diseases and neurodegenerative disorders [10].