T-lymphocyte-activating properties of epidermal antigen-presenting cells from normal and psoriatic skin: evidence that psoriatic epidermal antigen-presenting cells resemble cultured normal Langerhans cells.

Abstract excerpt

Fresh and cultured human Langerhans cells display disparate functional programs, based on their capacities to activate autologous and allogeneic T cells, and with respect to their susceptibility to inhibition by transforming growth factor-beta (TGF beta). We have compared the functional properties of epidermal antigen-presenting cells (APC) procured from uninvolved and involved skin of patients with psoriasis...

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