Novel Molecular Targets for Systemic Lupus Erythematosus

TL;DRAbstract

For a long time the complement cascade has been believed to be the predominant pathway to inflammation and tissue destruction in autoimmune diseases such as systemic lupus erythematosus. Recently, new evidences show that FcRs may share the primacy with complement cascade, playing an equal or greater role in the disease process. The generation of specific mouse strains deficient in individual components has clarified the different role played by complement and Fc receptors in their interaction with ICs, illustrating that complement is essential for innate immunity against microbial pathogens, requiring natural antibodies to mediate its protective effects, whereas FcyRs have evolved as the principal system for coupling antigen-antibody complexes to effector cells and initiate the inflammatory cascade. Validation of FcRs as new therapeutic targets for autoimmune diseases, in particular for Systemic Lupus Erythematosus (SLE), has been provided by a large number of studies where the biologi

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