CCL2 and psychiatric disorder: With respect to the distinction between anxiety and mood disorders (Fig. 1B), we found a main association of ‘type of mental disorder’ with mRNA levels of IL-1β (F2,45 = 5.212, P = 0.009), IL-6 (F2,45 = 5.458, P = 0.008), CCL2 (F2,45 = 4.076, P = 0.024) and PLAUR (F1,47 = 7.996, P = 0.001) in the VAT.