Molecular identity of human outer radial glia during cortical development. Pollen, A. A, Nowakowski, T. J, Chen, J., Retallack, H., Sandoval-Espinosa, C., Nicholas, C. R, Shuga, J., Liu, S. J., Oldham, M. C, Diaz, A., Lim, D. A, Leyrat, A. A, West, J. A, & Kriegstein, A. R Cell, 163(1):55–67, September, 2015. abstract bibtex Radial glia, the neural stem cells of the neocortex, are located in two niches: the ventricular zone and outer subventricular zone. Although outer subventricular zone radial glia may generate the majority of human cortical neurons, their molecular features remain elusive. By analyzing gene expression across single cells, we find that outer radial glia preferentially express genes related to extracellular matrix formation, migration, and stemness, including TNC, PTPRZ1, FAM107A, HOPX, and LIFR. Using dynamic imaging, immunostaining, and clonal analysis, we relate these molecular features to distinctive behaviors of outer radial glia, demonstrate the necessity of STAT3 signaling for their cell cycle progression, and establish their extensive proliferative potential. These results suggest that outer radial glia directly support the subventricular niche through local production of growth factors, potentiation of growth factor signals by extracellular matrix proteins, and activation of self-renewal pathways, thereby enabling the developmental and evolutionary expansion of the human neocortex.
@ARTICLE{Pollen2015-mc,
title = "Molecular identity of human outer radial glia during cortical
development",
author = "Pollen, Alex A and Nowakowski, Tomasz J and Chen, Jiadong and
Retallack, Hanna and Sandoval-Espinosa, Carmen and Nicholas, Cory
R and Shuga, Joe and Liu, Siyuan John and Oldham, Michael C and
Diaz, Aaron and Lim, Daniel A and Leyrat, Anne A and West, Jay A
and Kriegstein, Arnold R",
abstract = "Radial glia, the neural stem cells of the neocortex, are located
in two niches: the ventricular zone and outer subventricular
zone. Although outer subventricular zone radial glia may generate
the majority of human cortical neurons, their molecular features
remain elusive. By analyzing gene expression across single cells,
we find that outer radial glia preferentially express genes
related to extracellular matrix formation, migration, and
stemness, including TNC, PTPRZ1, FAM107A, HOPX, and LIFR. Using
dynamic imaging, immunostaining, and clonal analysis, we relate
these molecular features to distinctive behaviors of outer radial
glia, demonstrate the necessity of STAT3 signaling for their cell
cycle progression, and establish their extensive proliferative
potential. These results suggest that outer radial glia directly
support the subventricular niche through local production of
growth factors, potentiation of growth factor signals by
extracellular matrix proteins, and activation of self-renewal
pathways, thereby enabling the developmental and evolutionary
expansion of the human neocortex.",
journal = "Cell",
volume = 163,
number = 1,
pages = "55--67",
month = sep,
year = 2015,
language = "en"
}
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Although outer subventricular zone radial glia may generate the majority of human cortical neurons, their molecular features remain elusive. By analyzing gene expression across single cells, we find that outer radial glia preferentially express genes related to extracellular matrix formation, migration, and stemness, including TNC, PTPRZ1, FAM107A, HOPX, and LIFR. Using dynamic imaging, immunostaining, and clonal analysis, we relate these molecular features to distinctive behaviors of outer radial glia, demonstrate the necessity of STAT3 signaling for their cell cycle progression, and establish their extensive proliferative potential. These results suggest that outer radial glia directly support the subventricular niche through local production of growth factors, potentiation of growth factor signals by extracellular matrix proteins, and activation of self-renewal pathways, thereby enabling the developmental and evolutionary expansion of the human neocortex.","journal":"Cell","volume":"163","number":"1","pages":"55–67","month":"September","year":"2015","language":"en","bibtex":"@ARTICLE{Pollen2015-mc,\n title = \"Molecular identity of human outer radial glia during cortical\n development\",\n author = \"Pollen, Alex A and Nowakowski, Tomasz J and Chen, Jiadong and\n Retallack, Hanna and Sandoval-Espinosa, Carmen and Nicholas, Cory\n R and Shuga, Joe and Liu, Siyuan John and Oldham, Michael C and\n Diaz, Aaron and Lim, Daniel A and Leyrat, Anne A and West, Jay A\n and Kriegstein, Arnold R\",\n abstract = \"Radial glia, the neural stem cells of the neocortex, are located\n in two niches: the ventricular zone and outer subventricular\n zone. Although outer subventricular zone radial glia may generate\n the majority of human cortical neurons, their molecular features\n remain elusive. By analyzing gene expression across single cells,\n we find that outer radial glia preferentially express genes\n related to extracellular matrix formation, migration, and\n stemness, including TNC, PTPRZ1, FAM107A, HOPX, and LIFR. Using\n dynamic imaging, immunostaining, and clonal analysis, we relate\n these molecular features to distinctive behaviors of outer radial\n glia, demonstrate the necessity of STAT3 signaling for their cell\n cycle progression, and establish their extensive proliferative\n potential. These results suggest that outer radial glia directly\n support the subventricular niche through local production of\n growth factors, potentiation of growth factor signals by\n extracellular matrix proteins, and activation of self-renewal\n pathways, thereby enabling the developmental and evolutionary\n expansion of the human neocortex.\",\n journal = \"Cell\",\n volume = 163,\n number = 1,\n pages = \"55--67\",\n month = sep,\n year = 2015,\n language = \"en\"\n}\n\n","author_short":["Pollen, A. A","Nowakowski, T. J","Chen, J.","Retallack, H.","Sandoval-Espinosa, C.","Nicholas, C. R","Shuga, J.","Liu, S. J.","Oldham, M. C","Diaz, A.","Lim, D. A","Leyrat, A. A","West, J. A","Kriegstein, A. 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