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Integrative spatial analysis reveals a multi-layered organization of glioblastoma

ABSTRACT: Integrative spatial analysis reveals a multi-layered organization of glioblastoma

PROVIDER: PRJNA994130 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25249100_1.fastq.gz	Fastqsanger.gz
	SRR25249100_2.fastq.gz	Fastqsanger.gz
	SRR25249101_1.fastq.gz	Fastqsanger.gz
	SRR25249101_2.fastq.gz	Fastqsanger.gz
	SRR25249102_1.fastq.gz	Fastqsanger.gz

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Integrative spatial analysis reveals a multi-layered organization of glioblastoma

Project description:Glioma contains malignant cells in diverse states. Here, we combine spatial transcriptomics with novel computational approaches to uncover the organization of glioma cellular states. We find three prominent modes of organization. First, cells in any given state tend to be spatially clustered, with local environments that are each enriched with one major cellular state. Second, specific pairs of states preferentially reside in proximity across multiple scales. Third, the pairwise interactions that we detect collectively define a global architecture composed of five layers. Hypoxia appears to drive this 5-layered organization, as it is associated with a long-range organization that extends from the hypoxic core to the infiltrative edge of the tumor. Accordingly, tumor regions distant from any hypoxic foci are less organized. In summary, we provide a conceptual framework for the organization of gliomas and highlight the role of hypoxia as a potential long-range tissue organizer.

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