TGFB1 and schizophrenia: Furthermore, some anti-inflammatory substances are elevated in subgroups of patients with schizophrenia [soluble IL-1 receptor antagonist (sIL-1RA), soluble IL-2 receptor antagonist (sIL-2RA), soluble TNF receptors (sTNFRs)1, sTNFR2 (109), IL-10 (a cytokine with anti-inflammatory properties), and transforming growth factor (TGF)-β] (105).