Sox6 expression distinguishes dorsally and ventrally biased dopamine neurons in the substantia nigra with distinctive properties and embryonic origins
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ABSTRACT:
PROVIDER: PRJNA769144 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR16227586.fastq.gz | Fastqsanger.gz | |||
| SRR16227587.fastq.gz | Fastqsanger.gz | |||
| SRR16227588.fastq.gz | Fastqsanger.gz | |||
| SRR16227589.fastq.gz | Fastqsanger.gz | |||
| SRR16227590.fastq.gz | Fastqsanger.gz |
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Project description:To determine the molecular differences between ventral Sox6+ and dorsal Sox6- DA neurons, we performed bulk RNA-sequencing in sorted mCherry+ and GFP+ cells from the SNc of adult Sox6-FSF-Cre, Th-2A-Flpo, RC-Frepe mice. Our analysis revealed large and significant differential gene expression between these two populations.
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Project description:SUMMARY Dopamine (DA) neurons in the ventral tier of the substantia nigra pars compacta (SNc) degenerate prominently in Parkinson’s disease, while those in the dorsal tier are relatively spared. Defining the molecular, functional, and developmental characteristics of each SNc tier is crucial to understand their distinct susceptibility. We demonstrate that Sox6 expression distinguishes ventrally and dorsally biased DA neuron populations in the SNc. The Sox6+ population in the ventral SNc includes an Aldh1a1+ subset and is enriched in gene pathways that underpin vulnerability. Sox6+ neurons project to the dorsal striatum and show activity correlated with acceleration. Sox6− neurons project to the medial, ventral, and caudal striatum and respond to rewards. Moreover, we show that this adult division is encoded early in development. Overall, our work demonstrates a dual origin of the SNc that results in DA neuron cohorts with distinct molecular profiles, projections, and functions. Graphical Abstract In brief In this study, Pereira Luppi et al. refine the landscape of midbrain dopamine neurons through Sox6 lineage analysis to shed light on dorsal and ventral substantia nigra pars compacta from molecular, anatomical, functional, and developmental perspectives.
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Project description:SOX6 CUT&RUN on HUDEP1 over expressing SOX6-Flag. The experiment is done using and anti Flag Ab to assist the genome wide binding profile of SOX6 in HUDEP1 (Human Umbilical cord blood-Derived Erythroid Progenitor-1).
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Project description:SOX6 Gatekeeps Oligodendrocyte Maturation
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Project description:Cellular maturation is an adaptive process essential for tissue formation and function, yet distinct from the initial steps of differentiation and cell fate specification. Understanding the regulation of cell maturation may inform underlying mechanisms of disease or new approaches to regenerative medicine. In the central nervous system, failed generation of mature oligodendrocytes contributes to numerous diseases including multiple sclerosis. Here, we report a transcriptional mechanism that governs the timing of oligodendrocyte maturation. After differentiation, the transcription factor SOX6 redistributes from super enhancers in proliferating oligodendrocyte progenitor cells to cluster across specific gene bodies in immature oligodendrocytes. These sites exhibit extensive chromatin decondensation and transcription, which abruptly turns off upon maturation. Suppression of SOX6 deactivates these immaturity loci, resulting in rapid transition to mature myelinating oligodendrocytes. Cells harboring this immature oligodendrocyte SOX6 gene signature are specifically enriched in multiple sclerosis patient brains, suggesting that failed maturation contributes to disease pathology. Administration of a Sox6-targeting antisense oligonucleotide in postnatal mice drove precocious oligodendrocyte maturation. Our findings reveal that SOX6 governs oligodendrocyte maturation and that its targeting could inform therapeutic strategies for enhancing myelin regeneration in neurodevelopmental and neurodegenerative diseases.
2023-09-01 | GSE181952 | GEO
Project description:Cellular maturation is an adaptive process essential for tissue formation and function, yet distinct from the initial steps of differentiation and cell fate specification. Understanding the regulation of cell maturation may inform underlying mechanisms of disease or new approaches to regenerative medicine. In the central nervous system, failed generation of mature oligodendrocytes contributes to numerous diseases including multiple sclerosis. Here, we report a transcriptional mechanism that governs the timing of oligodendrocyte maturation. After differentiation, the transcription factor SOX6 redistributes from super enhancers in proliferating oligodendrocyte progenitor cells to cluster across specific gene bodies in immature oligodendrocytes. These sites exhibit extensive chromatin decondensation and transcription, which abruptly turns off upon maturation. Suppression of SOX6 deactivates these immaturity loci, resulting in rapid transition to mature myelinating oligodendrocytes. Cells harboring this immature oligodendrocyte SOX6 gene signature are specifically enriched in multiple sclerosis patient brains, suggesting that failed maturation contributes to disease pathology. Administration of a Sox6-targeting antisense oligonucleotide in postnatal mice drove precocious oligodendrocyte maturation. Our findings reveal that SOX6 governs oligodendrocyte maturation and that its targeting could inform therapeutic strategies for enhancing myelin regeneration in neurodevelopmental and neurodegenerative diseases.
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Project description:Cellular maturation is an adaptive process essential for tissue formation and function, yet distinct from the initial steps of differentiation and cell fate specification. Understanding the regulation of cell maturation may inform underlying mechanisms of disease or new approaches to regenerative medicine. In the central nervous system, failed generation of mature oligodendrocytes contributes to numerous diseases including multiple sclerosis. Here, we report a transcriptional mechanism that governs the timing of oligodendrocyte maturation. After differentiation, the transcription factor SOX6 redistributes from super enhancers in proliferating oligodendrocyte progenitor cells to cluster across specific gene bodies in immature oligodendrocytes. These sites exhibit extensive chromatin decondensation and transcription, which abruptly turns off upon maturation. Suppression of SOX6 deactivates these immaturity loci, resulting in rapid transition to mature myelinating oligodendrocytes. Cells harboring this immature oligodendrocyte SOX6 gene signature are specifically enriched in multiple sclerosis patient brains, suggesting that failed maturation contributes to disease pathology. Administration of a Sox6-targeting antisense oligonucleotide in postnatal mice drove precocious oligodendrocyte maturation. Our findings reveal that SOX6 governs oligodendrocyte maturation and that its targeting could inform therapeutic strategies for enhancing myelin regeneration in neurodevelopmental and neurodegenerative diseases.
2023-09-01 | GSE182245 | GEO
Project description:Cellular maturation is an adaptive process essential for tissue formation and function, yet distinct from the initial steps of differentiation and cell fate specification. Understanding the regulation of cell maturation may inform underlying mechanisms of disease or new approaches to regenerative medicine. In the central nervous system, failed generation of mature oligodendrocytes contributes to numerous diseases including multiple sclerosis. Here, we report a transcriptional mechanism that governs the timing of oligodendrocyte maturation. After differentiation, the transcription factor SOX6 redistributes from super enhancers in proliferating oligodendrocyte progenitor cells to cluster across specific gene bodies in immature oligodendrocytes. These sites exhibit extensive chromatin decondensation and transcription, which abruptly turns off upon maturation. Suppression of SOX6 deactivates these immaturity loci, resulting in rapid transition to mature myelinating oligodendrocytes. Cells harboring this immature oligodendrocyte SOX6 gene signature are specifically enriched in multiple sclerosis patient brains, suggesting that failed maturation contributes to disease pathology. Administration of a Sox6-targeting antisense oligonucleotide in postnatal mice drove precocious oligodendrocyte maturation. Our findings reveal that SOX6 governs oligodendrocyte maturation and that its targeting could inform therapeutic strategies for enhancing myelin regeneration in neurodevelopmental and neurodegenerative diseases.
2023-09-01 | GSE183160 | GEO
Project description:Cellular maturation is an adaptive process essential for tissue formation and function, yet distinct from the initial steps of differentiation and cell fate specification. Understanding the regulation of cell maturation may inform underlying mechanisms of disease or new approaches to regenerative medicine. In the central nervous system, failed generation of mature oligodendrocytes contributes to numerous diseases including multiple sclerosis. Here, we report a transcriptional mechanism that governs the timing of oligodendrocyte maturation. After differentiation, the transcription factor SOX6 redistributes from super enhancers in proliferating oligodendrocyte progenitor cells to cluster across specific gene bodies in immature oligodendrocytes. These sites exhibit extensive chromatin decondensation and transcription, which abruptly turns off upon maturation. Suppression of SOX6 deactivates these immaturity loci, resulting in rapid transition to mature myelinating oligodendrocytes. Cells harboring this immature oligodendrocyte SOX6 gene signature are specifically enriched in multiple sclerosis patient brains, suggesting that failed maturation contributes to disease pathology. Administration of a Sox6-targeting antisense oligonucleotide in postnatal mice drove precocious oligodendrocyte maturation. Our findings reveal that SOX6 governs oligodendrocyte maturation and that its targeting could inform therapeutic strategies for enhancing myelin regeneration in neurodevelopmental and neurodegenerative diseases.
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Project description:In order to understand how Sox6 coordinately regulates the transcription of multiple fiber type specific genes during muscle development, we have performed ChIP-seq analyses to identify Sox6 target genes as well as RNA polymerase II (Pol II) binding sites in mouse fetal myotubes. Examination of Sox6 and Pol II binding sites in mouse fetal primary myotubes
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