| ASPM-related microcephaly | Mutations in ASPM gene |
| CENPJ-related microcephaly | See CENPJ |
| WDR62-related microcephaly | See WDR62 |
| Spindle orientation | Proper orientation determines whether progenitor cells divide symmetrically (expanding the pool) or asymmetrically (producing neurons) |
| Centrosome function | Critical for proper chromosome segregation |
| DNA damage response | Genomic stability affects neural progenitor survival |
| Cell cycle regulation | Abnormal cell cycle kinetics reduce proliferation |
| Databases | OMIMOrphanetClinicalTrialsPubMed |