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Pyramidal neurons are generated from oligodendroglial progenitor cells in adult piriform cortex.


ABSTRACT: Previous studies have shown that oligodendroglial progenitor cells (OPCs) can give rise to neurons in vitro and in perinatal cerebral cortex in vivo. We now report that OPCs in adult murine piriform cortex express low levels of doublecortin, a marker for migratory and immature neurons. Additionally, these OPCs express Sox2, a neural stem cell marker, and Pax6, a transcription factor characteristic of progenitors for cortical glutamatergic neurons. Genetic fate-mapping by means of an inducible Cre-LoxP recombination system proved that these OPCs differentiate into pyramidal glutamatergic neurons in piriform cortex. Several lines of evidence indicated that these newly formed neurons became functionally integrated into the cortical neuronal network. Our data suggest that NG2(+)/PDGFR?(+) proteolipid protein promoter-expressing progenitors generate pyramidal glutamatergic neurons within normal adult piriform cortex.

SUBMITTER: Guo F 

PROVIDER: S-EPMC2940828 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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Pyramidal neurons are generated from oligodendroglial progenitor cells in adult piriform cortex.

Guo Fuzheng F   Maeda Yoshiko Y   Ma Joyce J   Xu Jie J   Horiuchi Makoto M   Miers Laird L   Vaccarino Flora F   Pleasure David D  

The Journal of neuroscience : the official journal of the Society for Neuroscience 20100901 36


Previous studies have shown that oligodendroglial progenitor cells (OPCs) can give rise to neurons in vitro and in perinatal cerebral cortex in vivo. We now report that OPCs in adult murine piriform cortex express low levels of doublecortin, a marker for migratory and immature neurons. Additionally, these OPCs express Sox2, a neural stem cell marker, and Pax6, a transcription factor characteristic of progenitors for cortical glutamatergic neurons. Genetic fate-mapping by means of an inducible Cr  ...[more]

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