TPH2 and schizophrenia: Various SNPs have been indicated as potential molecular biomarkers with respect to the developmental etiology of schizophrenia (Supplementary Table S1), including AKT1 rs1130233, COMT rs4680, DISC1 rs821616, DRD3 rs6280, G72 rs1421292, G72 rs2391191, 5-HT2A rs6311, MET rs2237717, MET rs41735, MET rs42336, and TPH2 rs4570625.