An immune-mediated inflammatory disease (IMID) is any of a group of conditions or diseases that lack a definitive etiology, but which are characterized by common inflammatory pathways leading to inflammation, and which may result from, or be triggered by, a dysregulation of the normal immune response. All IMIDs can cause end organ damage, and are associated with increased morbidity and/or mortality.
Inflammation is an important and growing area of biomedical research and health care because inflammation mediates and is the primary driver of many medical disorders and autoimmune diseases, including ankylosing spondylitis, psoriasis, psoriatic arthritis, Behçet's disease, arthritis, inflammatory bowel disease (IBD), and allergy, as well as many cardiovascular, neuromuscular, and infectious diseases. Some current research even suggests that aging is a consequence, in part, of inflammatory processes.
IMID is characterized by immune disregulation, and one underlying manifestation of this immune disregulation is the inappropriate activation of inflammatory cytokines, such as IL-12, IL-6 or TNF alpha, whose actions lead to pathological consequences.
Shurin, Michael R. and Yuri S. Smolkin (editors). Immune Mediated Diseases: From Theory to Therapy (Advances in Experimental Medicine and Biology). Springer, 2007.
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Covers the immune system's defense mechanisms against pathogens, including physical barriers, innate immunity, immune cell functions, and the complement system.
An autoimmune disease is a condition that results from an anomalous response of the immune system, wherein it mistakenly targets and attacks healthy, functioning parts of the body as if they were foreign organisms. It is estimated that there are more than 80 recognized autoimmune diseases, with recent scientific evidence suggesting the existence of potentially more than 100 distinct conditions. Nearly any body part can be involved. Symptoms of autoimmune diseases can significantly vary, primarily based on the specific type of the disease and the body part that it affects.
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