CD23 expression in normal and pathological skin
(A) CD23 is expressed at the mRNA level in pathological skin as shown by in situ hybridization with a specific probe for human CD23. (B) Immunohistochemistry with anti-CD23 moAb confirms CD23 expression in pathological skin of a patient with acute urticaria. (C) Negativity of the healthy skin of the same patient. Magnification: ×60 (B), ×240 (A, C).