TSLP and Alzheimer disease: Moreover, the expression level of TSLP in the epidermis was higher in the IBS+AD group than in the AD group (one-way ANOVA, F3,16 = 63.73, p < 0.0001; Newman–Keuls post hoc test, p < 0.001) and the CON group (p < 0.001; Figure 2F,H).