“…in 2017 ( 40 ), found that levels of P-selectin, especially sP-selectin, were higher in psoriasis patients than healthy controls ( Table 1 ) ( 33 – 39 ). Besides, sP-selectin levels were reduced significantly after treatments including clobetasol propionate, calcipotriol, narrow-band ultraviolet B (NB-UVB) and biological drugs ( 34 , 35 , 37 ). Intriguingly, four of these studies showed a positive correlation between sP-selectin and PASI scores ( 24 , 33 – 35 ), while the other three studies showed no correlation ( 36 – 38 ), suggesting a controversial relationship between sP-selectin and PASI scores, which may be related to the demographic characteristics or disease types (psoriasis vulgaris, psoriatic arthritis, pustular psoriasis, etc.)…”