AQP3 and psoriasis: Down-regulation and/or mislocalization of AQP3, the most abundant and largely studied aquaglyceroporin in the skin, are associated with psoriasis (Lee et al., 2012; Patel et al., 2017; Bollag et al., 2020) and vitiligo (Kim and Lee, 2010; Esmat et al., 2018).