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Conditional Deletion of PDK1 in the Forebrain Causes Neuron Loss and Increased Apoptosis during Cortical Development.


ABSTRACT: Decreased expression but increased activity of PDK1 has been observed in neurodegenerative disease. To study in vivo function of PDK1 in neuron survival during cortical development, we generate forebrain-specific PDK1 conditional knockout (cKO) mice. We demonstrate that PDK1 cKO mice display striking neuron loss and increased apoptosis. We report that PDK1 cKO mice exhibit deficits on several behavioral tasks. Moreover, PDK1 cKO mice show decreased activities for Akt and mTOR. These results highlight an essential role of endogenous PDK1 in the maintenance of neuronal survival during cortical development.

SUBMITTER: Xu C 

PROVIDER: S-EPMC5655024 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Conditional Deletion of PDK1 in the Forebrain Causes Neuron Loss and Increased Apoptosis during Cortical Development.

Xu Congyu C   Yu Linjie L   Hou Jinxing J   Jackson Rosemary J RJ   Wang He H   Huang Chaoli C   Liu Tingting T   Wang Qihui Q   Zou Xiaochuan X   Morris Richard G RG   Spires-Jones Tara L TL   Yang Zhongzhou Z   Yin Zhenyu Z   Xu Yun Y   Chen Guiquan G  

Frontiers in cellular neuroscience 20171020


Decreased expression but increased activity of PDK1 has been observed in neurodegenerative disease. To study <i>in vivo</i> function of PDK1 in neuron survival during cortical development, we generate forebrain-specific <i>PDK1</i> conditional knockout (cKO) mice. We demonstrate that <i>PDK1</i> cKO mice display striking neuron loss and increased apoptosis. We report that <i>PDK1</i> cKO mice exhibit deficits on several behavioral tasks. Moreover, <i>PDK1</i> cKO mice show decreased activities f  ...[more]

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