Requirement of Interaction between Mast Cells and Skin Dendritic Cells to Establish Contact Hypersensitivity

Abstract excerpt

The role of mast cells (MCs) in contact hypersensitivity (CHS) remains controversial. This is due in part to the use of the MC-deficient Kit (W/Wv) mouse model, since Kit (W/Wv) mice congenitally lack other types of cells as a result of a point mutation in c-kit. A recent study indicated that the intronic enhancer (IE) for Il4 gene transcription is essential for MCs but not in other cell types. The aim of this...

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