首页> 外文期刊>Neuropathology: official journal of the Japanese Society of Neuropathology >Phosphatase and tensin homolog deletion enhances neurite outgrowth during neural stem cell differentiation
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Phosphatase and tensin homolog deletion enhances neurite outgrowth during neural stem cell differentiation

机译:磷酸酶和苔丝同源物缺失增强神经干细胞分化期间的神经沸物过度

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摘要

Neural stem cell (NSC) transplantation has emerged as a promising approach for the treatment of neurological disorders such as cerebral ischemia. As the majority of newly generated cells from exogenous NSCs fail to integrate into the ischemic brain and establish functional synaptic networks, NSC transplantation for ischemic stroke experiences limited neurological function recovery. Augment of endogenous neurite growth in the process of NSC differentiation is an avenue to promote synaptic networks. Phosphatase and tensin homo-log (PTEN), a tumor suppressor, has been established to regulate axon growth in the adult central nervous system. The aim of this study was to explore the role of PTEN on neurite growth during NSC differentiation. Our results revealed that the protein expression of PTEN was significantly increased during NSC differentiation, whereas the expression of phos-phorylated S6 ribosomal (p-S6R) was markedly decreased. Small interfering RNA knockdown of PTEN in NSCs can accelerate neurite outgrowth during NSC differentiation. These results indicated a remarkable effect of PTEN inhibition on neuronal process after NSC differentiation, and identified a novel route to promote endogenous neurite growth in differentiated NSCs, which may facilitate the application of NSC transplantation in ischemic stroke.
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