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Journal Article

Single-cell delineation of lineage and genetic identity in the mouse brain


Maedler,  Sophia
Mann, Matthias / Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Max Planck Society;

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Bandler, R. C., Vitali, I., Delgado, R. N., Ho, M. C., Dvoretskova, E., Molinas, J. S. I., et al. (2022). Single-cell delineation of lineage and genetic identity in the mouse brain. Nature, 601, 404-409. doi:10.1038/s41586-021-04237-0.

Cite as: https://hdl.handle.net/21.11116/0000-000A-2A1A-B
During neurogenesis, mitotic progenitor cells lining the ventricles ofthe embryonic mouse brain undergo their final rounds of cell division, giving rise to a wide spectrum of postmitotic neurons and glia(1,2). The link between developmental lineage and cell-type diversity remains an open question. Here we used massively parallel tagging of progenitors to track clonal relationships and transcriptomic signatures during mouse forebrain development. We quantified clonal divergence and convergence across all major cell classes postnatally, and found diverse types of GABAergic neuron that share a common lineage. Divergence of GABAergic clones occurred during embryogenesis upon cell-cycle exit, suggesting that differentiation into subtypes is initiated as a lineage-dependent process at the progenitor cell level.