4.5 Article

Roles of Immune Cells in Hereditary Angioedema

期刊

CLINICAL REVIEWS IN ALLERGY & IMMUNOLOGY
卷 60, 期 3, 页码 369-382

出版社

HUMANA PRESS INC
DOI: 10.1007/s12016-021-08842-9

关键词

Angiogenesis; Endothelial cell; Lymphocyte; Macrophage; Mast cell; Monocyte; Neutrophil

资金

  1. Universita degli Studi di Napoli Federico II within the CRUI-CARE Agreement [IIR-ITA-002138]

向作者/读者索取更多资源

Hereditary angioedema is a rare genetic disease characterized by recurrent mucosal swelling, and can be classified into two types based on the level of C1-inhibitor activity. Recent evidence suggests that both innate and adaptive immune responses play important roles in the pathophysiology of angioedema, with various immune cells contributing to the process.
Hereditary angioedema (HAE) is a rare genetic disease, characterized by recurrent and unexpected potentially life-threatening mucosal swelling. HAE may be further classified into HAE with C1-inhibitor deficiency (C1-INH-HAE) and HAE with normal C1-INH activity (nlC1-INH-HAE), mostly due to mutations leading to increased vascular permeability. Recent evidence implicates also the innate and adaptive immune responses in several aspects of angioedema pathophysiology. Monocytes/macrophages, granulocytes, lymphocytes, and mast cells contribute directly or indirectly to the pathophysiology of angioedema. Immune cells are a source of vasoactive mediators, including bradykinin, histamine, complement components, or vasoactive mediators, whose concentrations or activities are altered in both attacks and remissions of HAE. In turn, through the expression of various receptors, these cells are also activated by a plethora of molecules. Thereby, activated immune cells are the source of molecules in the context of HAE, and on the other hand, increased levels of certain mediators can, in turn, activate immune cells through the engagement of specific surface receptors and contribute to vascular endothelial processes that lead to hyperpemeability and tissue edema. In this review, we summarize recent developments in the putative involvement of the innate and adaptive immune system of angioedema.

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