INS and psoriasis: Mounting evidence suggests that targeting keratinocytes may be an effective strategy for discovering new treatment strategies for skin diseases such as psoriasis and epidermal wound repair.[11, 12, 13, 14] The physiological characteristics of keratinocytes, including proliferation, migration, and adhesion, are vital for cutaneous wound healing.[15, 16, 17] Therefore, we first examined the effects of liraglutide and insulin on keratinocyte function.