Table 2 provides the following results: assessment of the parameters of cellular immunity; level of the CXCL10 chemokine, involved in the activation of the Th1 component of immunity; IL-1RA and TGF-α immunoregulatory proteins; vascular endothelial growth factor (VEGF) in patients with schizophrenia depending on the rs9276572(C) SNP of the HLA- DQB2 gene and in the group of healthy volunteers. This evidence concerns the gene TGFA and schizophrenia.