Table 2.
Human cellular models of SPG11-related pathology
Cell type | Patients, n | Observed phenotype | Neuro- developmental defects | Neuro- degenerative defects | References |
---|---|---|---|---|---|
Fibroblasts | ND | Lysosomal abnormality | – | – | Renvoise et al., 2014 |
8 | No significant alteration in autophagic/lysosomal markers | – | – | Kara et al., 2016 | |
Patient fibroblasts and spatacsin-depleted HeLa cells | ND | Autophagic lysosomal reformation (ALR) defects | No | Yes | Chang et al., 2014 |
3 | Autophagy defects | – | – | Vantaggiato et al., 2019 | |
Patient iPSC-derived NPCs and neurospheres | 3a | Proliferation defect | Yes | No | Mishra et al., 2016 |
Patient iPSC-derived neurospheres | 3a | Premature neurogenesis | Yes | No | Perez-Branguli et al., 2019 |
Patient iPSC-derived cortical neurons | 3a | Axonal pathology and vesicle trafficking defects. | No | Yes | Perez-Branguli et al., 2014 |
3a | Neurite impairment, increased cell death | No | Yes | Pozner et al., 2018 | |
Patient iPSC-derived organoids | 3a | Smaller organoid size | Yes | No | Perez-Branguli et al., 2019 |
2 | Lipid metabolism | Yes | Yes | Boutry et al., 2018 |
iPSC = induced pluripotent stem cells; ND = no data; NPC = neural progenitor cells.
Indicates the same patients.