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Glial cell diversity and methamphetamine-induced neuroinflammation in human cerebral organoids

ABSTRACT: Glial cell diversity and methamphetamine-induced neuroinflammation in human cerebral organoids

PROVIDER: PRJNA1207551 | ENA |

REPOSITORIES: ENA

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Glial cell diversity and methamphetamine-induced neuroinflammation in human cerebral organoids

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Single cell gene expression analysis of stem cell-derived cerebral organoids treated with Methamphetamine

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Glial cell diversity and methamphetamine-induced neuroinflammation in human cerebral organoids.

Project description:Methamphetamine (METH) is a potent stimulant that induces a euphoric state but also causes cognitive impairment, neurotoxicity and neurodevelopmental deficits. Yet, the molecular mechanisms by which METH causes neurodevelopmental defects have remained elusive. Here we utilized human cerebral organoids and single-cell RNA sequencing (scRNA-seq) to study the effects of prenatal METH exposure on fetal brain development. We analyzed 20,758 cells from eight untreated and six METH-treated cerebral organoids and found that the organoids developed from embryonic stem cells contained a diverse array of glial and neuronal cell types. We further identified transcriptionally distinct populations of astrocytes and oligodendrocytes within cerebral organoids. Treatment of organoids with METH-induced marked changes in transcription in multiple cell types, including astrocytes and neural progenitor cells. METH also elicited novel astrocyte-specific gene expression networks regulating responses to cytokines, and inflammasome. Moreover, upregulation of immediate early genes, complement factors, apoptosis, and immune response genes suggests a neuroinflammatory program induced by METH regulating neural stem cell proliferation, differentiation, and cell death. Finally, we observed marked METH-induced changes in neuroinflammatory and cytokine gene expression at the RNA and protein levels. Our data suggest that human cerebral organoids represent a model system to study drug-induced neuroinflammation at single-cell resolution.

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Project description:Pluripotent stem cells (PSC) can differentiate inot any cell type of an organism. Their remarkable capability of self-organization enables the formation of three-dimensional structures that resembles miniature organs, including cerebral organoids. These organoids can recreate early steps of the human cerebral cortex development, and show great potential for modeling human diseases, particularly for those with a developmental component. This data evidences stem cell-derived cerebral organoids as a key model to study brain development and neurodevelopmental, neurodegenerative and neuropsychiatric diseases.

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Single cell gene expression analysis of stem cell-derived cerebral organoids treated with Methamphetamine

Project description:Single cell gene expression analysis of stem cell-derived cerebral organoids treated with Methamphetamine

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