HLA-C and schizophrenia: Both studies also supported previous findings from European populations revealing that the region of chromosome 6, associated with MHC,7–9 may be involved in schizophrenia in Chinese populations as well.35, 36 The replication of the MHC locus and genes in this region is of great potential significance, suggesting vital etiological immune system mechanisms for this disease that need further consideration (Cyranoski D, Nature News 2011; http://www.nature.com/news).