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COUP-TFI regulates the balance of cortical patterning between frontal/motor and sensory areas.

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Title: COUP-TFI regulates the balance of cortical patterning between frontal/motor and sensory areas.
Authors: Armentano, Maria, Shen-Ju Chou, Srubek Tomassy, Giulio, Leingärtner, Axel, O'Leary, Dennis D. M., Studer, Michèle
Source: Nature Neuroscience. Oct2007, Vol. 10 Issue 10, p1277-1286. 10p. 5 Color Photographs, 2 Diagrams, 1 Graph.
Subjects: Neocortex, Mammals, Sensory deprivation, Cerebral cortex, Patterning therapy, Recovered memory
Abstract: We used cortex-specific deletion of the transcription factor gene COUP-TFI (also known as Nr2f1) in mice to demonstrate previously unknown fundamental roles for it in patterning mammalian neocortex into areas. The highest COUP-TFI expression is observed in the cortical progenitors and progeny in parietal and occipital cortex that form sensory areas, and the lowest expression was observed in frontal cortex that includes motor areas. Cortical deletion of COUP-TFI resulted in massive expansion of frontal areas, including motor, to occupy most of neocortex, paralleled by marked compression of sensory areas to caudal occipital cortex. These area patterning changes are preceded and paralleled by corresponding changes in molecular markers of area identity and altered axonal projections to maintain patterned area-specific input and output connections. We conclude that COUP-TFI is required for balancing patterning of neocortex into frontal/motor and sensory areas by acting in its expression domain to repress frontal/motor area identities and to specify sensory area identities. [ABSTRACT FROM AUTHOR]
Copyright of Nature Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: <searchLink fieldCode="JN" term="%22Nature+Neuroscience%22">Nature Neuroscience</searchLink>. Oct2007, Vol. 10 Issue 10, p1277-1286. 10p. 5 Color Photographs, 2 Diagrams, 1 Graph.
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  Data: <searchLink fieldCode="DE" term="%22Neocortex%22">Neocortex</searchLink><br /><searchLink fieldCode="DE" term="%22Mammals%22">Mammals</searchLink><br /><searchLink fieldCode="DE" term="%22Sensory+deprivation%22">Sensory deprivation</searchLink><br /><searchLink fieldCode="DE" term="%22Cerebral+cortex%22">Cerebral cortex</searchLink><br /><searchLink fieldCode="DE" term="%22Patterning+therapy%22">Patterning therapy</searchLink><br /><searchLink fieldCode="DE" term="%22Recovered+memory%22">Recovered memory</searchLink>
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  Data: We used cortex-specific deletion of the transcription factor gene COUP-TFI (also known as Nr2f1) in mice to demonstrate previously unknown fundamental roles for it in patterning mammalian neocortex into areas. The highest COUP-TFI expression is observed in the cortical progenitors and progeny in parietal and occipital cortex that form sensory areas, and the lowest expression was observed in frontal cortex that includes motor areas. Cortical deletion of COUP-TFI resulted in massive expansion of frontal areas, including motor, to occupy most of neocortex, paralleled by marked compression of sensory areas to caudal occipital cortex. These area patterning changes are preceded and paralleled by corresponding changes in molecular markers of area identity and altered axonal projections to maintain patterned area-specific input and output connections. We conclude that COUP-TFI is required for balancing patterning of neocortex into frontal/motor and sensory areas by acting in its expression domain to repress frontal/motor area identities and to specify sensory area identities. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Nature Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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