For acquired immunodeficiency syndrome (AIDS), see HIV/AIDS.
Not to be confused with Autoimmune disease.
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Autoinflammatory diseases (AIDs) are a group of rare disorders caused by dysfunction of the innate immune system. These responses are characterized by periodic or chronic systemic inflammation, usually without the involvement of adaptive immunity.
Autoinflammatory diseases are a separate class from autoimmune diseases; however, both are characterized by an immune system malfunction that may cause similar symptoms, such as rash, swelling, or fatigue. However, the main source of the diseases are different. A key difference between the two classes of diseases is that while AIDs trigger a malfunction of the innate immune system, autoimmune diseases trigger a malfunction of the adaptive immune system.[1]
The boundaries between autoinflammation (overactivity of the innate immunity), autoimmunity (overactivity of the adaptive immunity), and immunodeficiency (decreased activity of the innate or adaptive immunity) are often fluid. Clinical phenotypes associated with these processes are driven by the cell type most affected by a particular mutation or signal. Excessive activation of neutrophils, monocytes/macrophages, and dendritic cells leads to auto-inflammatory symptoms, while T cell and B cell dysfunction leads to autoimmunity. Failure of innate and/or adaptive immune cells to appropriately activate, recognize, and clear infectious agents causes immunodeficiency and vulnerability to infection.[2]
^Zen M, Gatto M, Domeneghetti M, Palma L, Borella E, Iaccarino L, et al. (October 2013). "Clinical guidelines and definitions of autoinflammatory diseases: contrasts and comparisons with autoimmunity-a comprehensive review". Clinical Reviews in Allergy & Immunology. 45 (2): 227–35. doi:10.1007/s12016-013-8355-1. PMID 23322404. S2CID 23061331.
^de Jesus AA, Canna SW, Liu Y, Goldbach-Mansky R (2015-03-21). "Molecular mechanisms in genetically defined autoinflammatory diseases: disorders of amplified danger signaling". Annual Review of Immunology. 33 (1): 823–74. doi:10.1146/annurev-immunol-032414-112227. PMC 4563985. PMID 25706096.
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