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- W3120830260 abstract "White matter atrophy has been shown to precede the massive loss of striatal GABAergic neurons in Huntington’s disease (HD). This study investigated the effects of in vivo expression of reprogramming factor octamer-binding transcription factor 4 (OCT4) on neural stem cell (NSC) niche activation in the subventricular zone (SVZ) and induction of cell fate specific to the microenvironment of HD. R6/2 mice randomly received adeno-associated virus 9 (AAV9)-OCT4, AAV9-Null, or phosphate-buffered saline into both lateral ventricles at 4 weeks of age. The AAV9-OCT4 group displayed significantly improved behavioral performance compared to the control groups. Following AAV9-OCT4 treatment, the number of newly generated NSCs and oligodendrocyte progenitor cells (OPCs) significantly increased in the SVZ, and the expression of OPC-related genes and glial cell-derived neurotrophic factor (GDNF) significantly increased. Further, amelioration of myelination deficits in the corpus callosum was observed through electron microscopy and magnetic resonance imaging, and striatal DARPP32+ GABAergic neurons significantly increased in the AAV9-OCT4 group. These results suggest that in situ expression of the reprogramming factor OCT4 in the SVZ induces OPC proliferation, thereby attenuating myelination deficits. Particularly, GDNF released by OPCs seems to induce striatal neuroprotection in HD, which explains the behavioral improvement in R6/2 mice overexpressing OCT4." @default.
- W3120830260 created "2021-01-18" @default.
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- W3120830260 creator A5091833738 @default.
- W3120830260 date "2021-05-10" @default.
- W3120830260 modified "2023-09-26" @default.
- W3120830260 title "In Vivo Expression of Reprogramming Factor OCT4 Ameliorates Myelination Deficits and Induces Striatal Neuroprotection in Huntington’s Disease" @default.
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- W3120830260 doi "https://doi.org/10.3390/genes12050712" @default.
- W3120830260 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8150572" @default.
- W3120830260 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34068799" @default.
- W3120830260 hasPublicationYear "2021" @default.
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