Transcriptome and proteome profiling of neural stem cells from the human subventricular zone in Parkinson's disease

Vanessa Donega, Saskia M Burm, Miriam E van Strien, Emma J van Bodegraven, Iryna Paliukhovich, Hanneke Geut, Wilma D J van de Berg, Ka Wan Li, August B Smit, Onur Basak, Elly M Hol

Research output: Contribution to journal/periodicalArticleScientificpeer-review

25 Citations (Scopus)
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It is currently accepted that the human brain has a limited neurogenic capacity and an impaired regenerative potential. We have previously shown the existence of CD271-expressing neural stem cells (NSCs) in the subventricular zone (SVZ) of Parkinson's disease (PD) patients, which proliferate and differentiate towards neurons and glial cells in vitro. To study the molecular profile of these NSCs in detail, we performed RNA sequencing and mass spectrometry on CD271+ NSCs isolated from human post-mortem SVZ and on homogenates of the SVZ. CD271+ cells were isolated through magnetic cell separation (MACS). We first compared the molecular profile of CD271+ NSCs to the SVZ homogenate from control donors and then compared CD271+ cells to CD11b+ microglia. These results confirmed their neural stem cell identity. Finally we compared controls and PD patients to establish a specific molecular profile of NSCs and the SVZ in PD. While our transcriptome analysis did not identify any differentially expressed genes in the SVZ between control and PD patients, our proteome analysis revealed several proteins that were differentially expressed in PD. Some of these proteins are involved in cytoskeletal organization and mitochondrial function. Transcriptome and proteome analyses of NSCs from PD revealed changes in the expression of genes and proteins involved in metabolism, transcriptional activity and cytoskeletal organization. Our data suggest that NSCs may transit into a primed-quiescent state, that is in an "alert" non-proliferative phase in PD. Our results not only confirm pathological hallmarks of PD (e.g. impaired mitochondrial function), but also show that the NSCs from SVZ undergo significant changes at both transcriptome and proteome level following PD.

Original languageEnglish
Pages (from-to)4
JournalActa neuropathologica communications
Issue number1
Publication statusPublished - Apr 2019


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