SFRP2 and psoriasis: The expression of SFRP-2 was shown to be downregulated by 0.09-fold in psoriatic DMSCs compared to that in controls, as assessed by qRT-PCR, while the expression levels of CMKLR-1, COL8A-1, NETO-2, NRK, SYTL-2, and SULF-2 were upregulated, respectively, by 9.93-fold, 8.68-fold, 1.30-fold, 3.24-fold, 2.37-fold, 1.52-fold, in DMSCs with psoriasis compared to those in healthy controls (shown in Table 2).