Posted by : Chih-Hao Chang 2010年3月7日 星期日

圖片來自維基百科
http://upload.wikimedia.org/wikipedia/commons/c/ce/Mast_cells.jpg

血液中的 IgE濃度是五種immunoglobulin中最低的。和mast cell, basophil, 或其他cell binding. (經由 IgE Fc-epsilon receptor (FceRI))

在成人的濃度通常 小於200 IU/mL ( 480 g/L).
大約50%的IgE是在extravascular space

sensitization phase and subsequent challenge
Sensitization phase: 將 activated plasma cell 製造的IgE bind 到basophil or mast cell 上的 IgE Fc receptor。當再次接觸過敏原的時候,degranulation and the release of multiple chemical mediators


Glucocorticosteroids increase beta 2-adrenergic receptor transcription in human lung

http://ajplung.physiology.org/content/268/1/L41.abstract



Glucocorticoids reduce tachykinin NK2 receptor expression in bovine tracheal smooth muscle

http://www.ncbi.nlm.nih.gov/pubmed/9570454



Leukotriene Modifiers
治療 aspirin-sensitive asthma, mild persistent asthma
比steroid or LABA效果低

Churg-Strauss syndrome
??

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