Journal
FRONTIERS IN IMMUNOLOGY
Volume 12, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2021.654701
Keywords
systemic lupus erythematosis; tolerance; dendritic cells; antigen (Ag); immunotherapies and vaccines
Categories
Funding
- Innovative Medicines Initiative 2 Joint Undertaking [777357]
- European Union
- EFPIA
- NHMRC [1079238]
- Arthritis Queensland
- National Health and Medical Research Council of Australia [1079238] Funding Source: NHMRC
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Systemic lupus erythematosus is a chronic complex autoimmune disease that affects multiple organs. Current treatments have increased survival rates but come with complications, making the need for safe and effective treatments urgent. Restoring immunological tolerance shows promise in reducing inflammatory manifestations.
Systemic lupus erythematosus (SLE) is a chronic complex systemic autoimmune disease characterized by multiple autoantibodies and clinical manifestations, with the potential to affect nearly every organ. SLE treatments, including corticosteroids and immunosuppressive drugs, have greatly increased survival rates, but there is no curative therapy and SLE management is limited by drug complications and toxicities. There is an obvious clinical need for safe, effective SLE treatments. A promising treatment avenue is to restore immunological tolerance to reduce inflammatory clinical manifestations of SLE. Indeed, recent clinical trials of low-dose IL-2 supplementation in SLE patients showed that in vivo expansion of regulatory T cells (Treg cells) is associated with dramatic but transient improvement in SLE disease markers and clinical manifestations. However, the Treg cells that expanded were short-lived and unstable. Alternatively, antigen-specific tolerance (ASIT) approaches that establish long-lived immunological tolerance could be deployed in the context of SLE. In this review, we discuss the potential benefits and challenges of nanoparticle ASIT approaches to induce prolonged immunological tolerance in SLE.
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