Increased number of monocytes and plasma levels of<scp>MCP</scp>‐1 and<scp>YKL</scp>‐40 in first‐episode psychosis

These data demonstrate activation of monocytes in FEP and strengthens the idea of an immune dysfunction of psychotic disorders. Further studies are required to perceive a role of YKL-40 and MCP-1 in the initiation and progression of schizophrenia.