HSP90AA1 and psoriasis: The concentrations of anti-Hsp90α antibodies correlated also positively with the concentrations of anti-Hsp90β antibodies, both in the active phase of psoriasis (R = 0.67; p = 0.000000) (Fig. 3e), and in the remission (R = 0.73; p = 0.000000) (Fig. 3f).