期刊
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE
卷 11, 期 1, 页码 94-106出版社
ELSEVIER
DOI: 10.1016/j.jaip.2022.11.006
关键词
Urticaria; Angioedema; Hereditary; Novel; Brady-kinin; Histamine; Autoallergy; Autoimmunity; Neuro-inflammation; Coagulation; C1-inhbitor; Pathogenesis; Mast cells; Eosinophils; Basophils; Cytokines; Mediators; Mutations; Communication; Management
Chronic spontaneous urticaria (CSU) is a complex genetic disease primarily driven by T2 domination, involving various mechanisms and molecules in its onset, persistence, and exacerbation. Basophils and eosinophils, in addition to mast cells, are actively involved in the disease. Biomarkers associated with CSU endotypes can help predict therapeutic responses. The introduction of biologic therapy has significantly advanced the treatment of CSU. Angioedema (AE) is primarily caused by increased vascular permeability mediated by histamine or bradykinin (BK). Deficiency in C1-inhibitor, along with other dysregulations, contributes to AE pathogenesis. The approval of hereditary-AE-specific therapies has revolutionized AE treatment. Understanding the pathogenesis of CSU and AE provides opportunities for improved patient care, personalized treatment, and novel therapeutic options.
Chronic spontaneous urticaria (CSU) is primarily a T2 -dominant disease with a complex genetic background. Skin mast cell activation can be induced not only via the IgE-Fc epsilon RI axis but also from several other distinct mechanisms, molecules, and receptors involved in CSU onset, persistence, and exacerbation. These include autoallergy, autoimmunity, central or peripheral neuroimmune dysregulation, activation of both extrinsic and intrinsic coagulation pathways, and microbial infections. Besides mast cells, recent reports suggest the active and direct involvement of basophils and eosinophils. Several biological characteristics or biomarkers have been linked with CSU's known endotypes and may help forecast therapeutic responses. The introduction of biologic therapy for CSU has been a major advance in the last 10 years. The cornerstone of angioedema (AE) pathogenesis is increased vascular permeability and plasma leakage into the deeper dermis and subcutis, either mediated by histamine or bradykinin (BK). C1-inhibitor deficiency, hereditary or acquired, is the primary cause of BK-mediated AE due to increased plasma BK concentration. Other complex conditions have been identified, with some likely involving contact system dysregulation and other putative mechanisms related to vascular endothelial dysfunction. The approval of multiple hereditary-AE-specific therapies for both prevention and acute attacks has revolutionized treatment of this disease. Any new knowledge of the pathogenesis of CSU and AE offers the opportunity to improve patient information, physician-patient communication, prediction of therapeutic responses, selection of precise tailor-made treatment for each patient, and exploration of novel treatment options for those who do not achieve disease control with current medications.(c) 2022 American Academy of Allergy, Asthma & Immunology (J Allergy Clin Immunol Pract 2023;11:94-106)
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