https://www.selleckchem.com/pr....oducts/ethyl-3-amino
Keratinocytes are the main targets of infiltrating T cells in the pathogenesis of lichen planus. However, the mechanisms of dense inflammatory infiltrates beneath the epidermis remain unknown. The aim of the present study was to clarify the roles of programmed cell death 1 (PD-1) and its ligand (PD-L1) in the pathogenesis of lichen planus. Immunohistochemistry of PD-1 and PD-L1 in 12 cases each of lichen planus and dermal-type erythema multiforme was performed. The expression of PD-1 and PD-L1 on infiltrat
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