RARRES2 and psoriasis: Moreover, psychic stress appears to contribute to increased tissue chemerin levels in psoriasis patients (regression coefficient—(RC) 16.9 μg/mL, 95% CI 11.33–22.59, p < 0.001 and RC 9.1 μg/mL, 95% CI 3.77–14.38, p = 0.002, respectively).