HomeMaturing dendritic cells are an important source of IL-29 and IL-20 that may cooperatively increase the innate immunity of keratinocytes August 26, 2010 print this article Maturing dendritic cells are an important source of IL-29 and IL-20 that may cooperatively increase the innate immunity of keratinocytes Wolk et al.; J Leukoc Biol. 2008 May;83(5):1181-93