IL17A and dermatitis: Other evidence come from animal studies with imiquimod-induced psoriasis-like skin inflammation in mice, where the oral administration of Lactobacillus pentosus GMNL-77 decreased the plasma level of proinflammatory cytokines and reduced the number of erythematous scaling lesions [76] and the administration of Lactobacillus sakei proBio-65 extract decreased IL-19, IL-17A, and IL-23 levels [77].