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Cortical regulation of neurogenesis and cell proliferation in the ventral subventricular zone.


ABSTRACT: Neurogenesis and differentiation of neural stem cells (NSCs) are controlled by cell-intrinsic molecular pathways that interact with extrinsic signaling cues. In this study, we identify a circuit that regulates neurogenesis and cell proliferation in the lateral ventricle-subventricular zone (LV-SVZ). Our results demonstrate that direct glutamatergic projections from the anterior cingulate cortex (ACC), as well as inhibitory projections from calretinin+ local interneurons, modulate the activity of cholinergic neurons in the subependymal zone (subep-ChAT+). Furthermore, in vivo optogenetic stimulation and inhibition of the ACC-subep-ChAT+ circuit are sufficient to control neurogenesis in the ventral SVZ. Both subep-ChAT+ and local calretinin+ neurons play critical roles in regulating ventral SVZ neurogenesis and LV-SVZ cell proliferation.

SUBMITTER: Naffaa MM 

PROVIDER: S-EPMC10422956 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature

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Cortical regulation of neurogenesis and cell proliferation in the ventral subventricular zone.

Naffaa Moawiah M MM   Khan Rehan R RR   Kuo Chay T CT   Yin Henry H HH  

Cell reports 20230708 7


Neurogenesis and differentiation of neural stem cells (NSCs) are controlled by cell-intrinsic molecular pathways that interact with extrinsic signaling cues. In this study, we identify a circuit that regulates neurogenesis and cell proliferation in the lateral ventricle-subventricular zone (LV-SVZ). Our results demonstrate that direct glutamatergic projections from the anterior cingulate cortex (ACC), as well as inhibitory projections from calretinin<sup>+</sup> local interneurons, modulate the  ...[more]

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