Current evidence for oligodendrocyte precursor cell involvement in Parkinson’s disease:Oligodendroglial cells comprise a large cell population in the substantia nigra(SN).We recently reported a stable portion of olig...Current evidence for oligodendrocyte precursor cell involvement in Parkinson’s disease:Oligodendroglial cells comprise a large cell population in the substantia nigra(SN).We recently reported a stable portion of oligodendrocyte precursor cells(OPCs)in the SN pars compacta(SNpc)in a 1:1 ratio with dopaminergic neurons:15%of cells in neonate and young mice,rising to 20%in aged mice.Moreover,this portion represents only 45%of all oligodendroglial cells in the SNpc and 54%of all oligodendroglial cells in the SN pars reticulata(SNpr)(Fitzgerald et al.,2025).The SN is a deeply located area of the midbrain and the site of dopaminergic degeneration in Parkinson’s disease(PD).Recent advancement of single-cell transcriptomics revealed the involvement of non-neuronal cells in PD,with PD risk variants being strongly associated with oligodendroglia(reviewed by Salazar Campos et al.,2025).展开更多
文摘Current evidence for oligodendrocyte precursor cell involvement in Parkinson’s disease:Oligodendroglial cells comprise a large cell population in the substantia nigra(SN).We recently reported a stable portion of oligodendrocyte precursor cells(OPCs)in the SN pars compacta(SNpc)in a 1:1 ratio with dopaminergic neurons:15%of cells in neonate and young mice,rising to 20%in aged mice.Moreover,this portion represents only 45%of all oligodendroglial cells in the SNpc and 54%of all oligodendroglial cells in the SN pars reticulata(SNpr)(Fitzgerald et al.,2025).The SN is a deeply located area of the midbrain and the site of dopaminergic degeneration in Parkinson’s disease(PD).Recent advancement of single-cell transcriptomics revealed the involvement of non-neuronal cells in PD,with PD risk variants being strongly associated with oligodendroglia(reviewed by Salazar Campos et al.,2025).