FOSB (AP-1 Transcription Factor Subunit), MMP9 (matrix metallopeptidase 9), NOX5 (NADPH Oxidase 5) and SLITRK4 (SLIT And NTRK Like Family Member 4, involved in synaptogenesis) were solely expressed in non-consensus PD-microglia. The gene discussed is MMP9; the disease is Parkinson disease.