Spatially resolved multi-omics deciphers bidirectional tumor-host interdependence in glioblastoma.
MALDI
genomic instability
glioblastoma heterogeneity
imaging mass cytometry
microenvironment
multiomics
spatially resolved transcriptomics
tumor ecosystem
Journal
Cancer cell
ISSN: 1878-3686
Titre abrégé: Cancer Cell
Pays: United States
ID NLM: 101130617
Informations de publication
Date de publication:
13 06 2022
13 06 2022
Historique:
received:
04
06
2021
revised:
30
09
2021
accepted:
13
05
2022
entrez:
14
6
2022
pubmed:
15
6
2022
medline:
18
6
2022
Statut:
ppublish
Résumé
Glioblastomas are malignant tumors of the central nervous system hallmarked by subclonal diversity and dynamic adaptation amid developmental hierarchies. The source of dynamic reorganization within the spatial context of these tumors remains elusive. Here, we characterized glioblastomas by spatially resolved transcriptomics, metabolomics, and proteomics. By deciphering regionally shared transcriptional programs across patients, we infer that glioblastoma is organized by spatial segregation of lineage states and adapts to inflammatory and/or metabolic stimuli, reminiscent of the reactive transformation in mature astrocytes. Integration of metabolic imaging and imaging mass cytometry uncovered locoregional tumor-host interdependence, resulting in spatially exclusive adaptive transcriptional programs. Inferring copy-number alterations emphasizes a spatially cohesive organization of subclones associated with reactive transcriptional programs, confirming that environmental stress gives rise to selection pressure. A model of glioblastoma stem cells implanted into human and rodent neocortical tissue mimicking various environments confirmed that transcriptional states originate from dynamic adaptation to various environments.
Identifiants
pubmed: 35700707
pii: S1535-6108(22)00220-3
doi: 10.1016/j.ccell.2022.05.009
pii:
doi:
Banques de données
Dryad
['10.5061/dryad.h70rxwdmj']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
639-655.e13Informations de copyright
Copyright © 2022 The Author(s). Published by Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of interests The authors declare no competing interests.