Skin represents the first line of defense against various stresses including pathogens and injuries. Within skin, cutaneous homeostasis is maintained by permanent cross-talk between skin cells, epidermal keratinocytes in particular, and cells of the immune system residing in the skin or recruited through the local production of cytokines and chemokines (see Figure 1).
Cell Signaling in Psoriasis for Ingredient Evaluation and Product Design
Jul 15th, 2013