S100A7 and psoriasis: Psoriasin peptide is potent AFP, have been identified in the skin lesions of psoriasis patients (Hein et al, 2015), and orthologs in amphibians (Matthijs et al., 2017) and in cattle (Regenhard et al., 2009) Psoriasin has been reported to be effective against drug-resistant dermatophytes such as T. mentagrophytes, M. canis, and Epidermophyton floccosum (Fritz et al., 2012).