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Unified rhombic lip origins of Group 3 and Group 4 medulloblastoma [atlas]

ABSTRACT: Unified rhombic lip origins of Group 3 and Group 4 medulloblastoma [atlas]

PROVIDER: PRJNA862944 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR20677800.fastq.gz	Fastqsanger.gz
	SRR20677801.fastq.gz	Fastqsanger.gz
	SRR20677802.fastq.gz	Fastqsanger.gz
	SRR20677803.fastq.gz	Fastqsanger.gz
	SRR20677804.fastq.gz	Fastqsanger.gz

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Unified rhombic lip origins of Group 3 and Group 4 medulloblastoma

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Unified rhombic lip origins of Group 3 and Group 4 medulloblastoma [methylation]

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Unified rhombic lip origins of group 3 and group 4 medulloblastoma.

Project description:Medulloblastoma, a malignant childhood cerebellar tumour, segregates molecularly into biologically distinct subgroups, suggesting that a personalized approach to therapy would be beneficial1. Mouse modelling and cross-species genomics have provided increasing evidence of discrete, subgroup-specific developmental origins2. However, the anatomical and cellular complexity of developing human tissues3-particularly within the rhombic lip germinal zone, which produces all glutamatergic neuronal lineages before internalization into the cerebellar nodulus-makes it difficult to validate previous inferences that were derived from studies in mice. Here we use multi-omics to resolve the origins of medulloblastoma subgroups in the developing human cerebellum. Molecular signatures encoded within a human rhombic-lip-derived lineage trajectory aligned with photoreceptor and unipolar brush cell expression profiles that are maintained in group 3 and group 4 medulloblastoma, suggesting a convergent basis. A systematic diagnostic-imaging review of a prospective institutional cohort localized the putative anatomical origins of group 3 and group 4 tumours to the nodulus. Our results connect the molecular and phenotypic features of clinically challenging medulloblastoma subgroups to their unified beginnings in the rhombic lip in the early stages of human development.

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Unified rhombic lip origins of Group 3 and Group 4 medulloblastoma

Project description:Genome wide ATAC-seq profiling of medulloblastoma subgroups.

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Project description:RNA-seq profiling of medulloblastoma OTX-knockout.

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Unified rhombic lip origins of Group 3 and Group 4 medulloblastoma [atlas]

Project description:Medulloblastoma, a malignant childhood cerebellar tumor, molecularly segregates into biologically distinct subgroups warranting personalized therapy. Murine modeling and cross-species genomics have provided mounting evidence of discrete, subgroup-specific developmental origins.

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