嗜酸性粒细胞
主要碱性蛋白
嗜酸性粒细胞过氧化物酶
免疫学
嗜酸性粒细胞颗粒蛋白
医学
嗜酸性粒细胞增多症
病理
促炎细胞因子
炎症
哮喘
作者
Kristin M. Leiferman,Margot S. Peters
标识
DOI:10.1016/j.jaip.2018.06.002
摘要
Eosinophils are bone marrow-derived cells that infiltrate skin and mucous membrane in a broad spectrum of primary and reactive inflammatory diseases and malignancies. The eosinophil has potent proinflammatory activities, particularly, through the effects of its toxic granule proteins. In addition, eosinophils have prothrombotic and profibrotic activities. Eosinophil participation in the pathogenesis of certain diseases without identifiable intact eosinophil infiltration may not be recognized because eosinophil degranulation is poorly visualized on hematoxylin-and-eosin–stained histopathology sections. Eosinophil-related pathophysiology can involve virtually every component of skin. Commonly recognized dermatoses associated with eosinophils are arthropod bite and sting reactions and drug eruptions, “bugs and drugs.” Skin involvement is common in eosinophil-related systemic diseases including the hypereosinophilic syndromes. Eosinophil-related pathophysiology may play a key role in numerous disorders that, therefore, may benefit from therapies targeted to reduce or eliminate eosinophils. Eosinophils are bone marrow-derived cells that infiltrate skin and mucous membrane in a broad spectrum of primary and reactive inflammatory diseases and malignancies. The eosinophil has potent proinflammatory activities, particularly, through the effects of its toxic granule proteins. In addition, eosinophils have prothrombotic and profibrotic activities. Eosinophil participation in the pathogenesis of certain diseases without identifiable intact eosinophil infiltration may not be recognized because eosinophil degranulation is poorly visualized on hematoxylin-and-eosin–stained histopathology sections. Eosinophil-related pathophysiology can involve virtually every component of skin. Commonly recognized dermatoses associated with eosinophils are arthropod bite and sting reactions and drug eruptions, “bugs and drugs.” Skin involvement is common in eosinophil-related systemic diseases including the hypereosinophilic syndromes. Eosinophil-related pathophysiology may play a key role in numerous disorders that, therefore, may benefit from therapies targeted to reduce or eliminate eosinophils. Eosinophils and the Scope of Practice in Allergy/ImmunologyThe Journal of Allergy and Clinical Immunology: In PracticeVol. 6Issue 5PreviewAs allergists/immunologists examine how our specialty fits into the continuously evolving health care system, there have been many efforts to explore how to expand our scope of practice and positive influence in broader health care systems. Our expert care of very common diseases, such as asthma and allergic rhinitis, often leads to better outcomes, improved patient quality of life, and reduced total cost of care. However, although we look to expand our scope of practice, 2 basic biological responses are essentially synonymous with our specialty and regularly evoke consultation from an allergist/immunologist. Full-Text PDF
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