A correlation between the titre of circulating IgG autoantibodies and disease activity has been difficult to demonstrate in bullous pemphigoid. We postulate that isotype switching from "inflammatory" IgG1 to "blocking" IgG4 subclass antibodies might contribute to disease remission. We studied 16 patients with bullous pemphigoid, 3 patients with cicatricial pemphigoid and 2 patients with epidermolysis bullosa acquisita at different stages of the disease. The titres of IgG subclass and total Ig...Expand abstract
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Does class switching contribute to remission in bullous pemphigoid?
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