The transcriptional landscape of Shh medulloblastoma.
Adolescent
Adult
Cerebellar Neoplasms
/ genetics
Child
Child, Preschool
Female
Gene Expression Regulation, Neoplastic
Gene Regulatory Networks
Genetic Variation
Hedgehog Proteins
/ genetics
Humans
Infant
Male
Medulloblastoma
/ genetics
Middle Aged
Signal Transduction
/ genetics
Transcriptome
Young Adult
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
19 03 2021
19 03 2021
Historique:
received:
14
05
2020
accepted:
26
01
2021
entrez:
20
3
2021
pubmed:
21
3
2021
medline:
7
4
2021
Statut:
epublish
Résumé
Sonic hedgehog medulloblastoma encompasses a clinically and molecularly diverse group of cancers of the developing central nervous system. Here, we use unbiased sequencing of the transcriptome across a large cohort of 250 tumors to reveal differences among molecular subtypes of the disease, and demonstrate the previously unappreciated importance of non-coding RNA transcripts. We identify alterations within the cAMP dependent pathway (GNAS, PRKAR1A) which converge on GLI2 activity and show that 18% of tumors have a genetic event that directly targets the abundance and/or stability of MYCN. Furthermore, we discover an extensive network of fusions in focally amplified regions encompassing GLI2, and several loss-of-function fusions in tumor suppressor genes PTCH1, SUFU and NCOR1. Molecular convergence on a subset of genes by nucleotide variants, copy number aberrations, and gene fusions highlight the key roles of specific pathways in the pathogenesis of Sonic hedgehog medulloblastoma and open up opportunities for therapeutic intervention.
Identifiants
pubmed: 33741928
doi: 10.1038/s41467-021-21883-0
pii: 10.1038/s41467-021-21883-0
pmc: PMC7979819
doi:
Substances chimiques
Hedgehog Proteins
0
SHH protein, human
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1749Subventions
Organisme : NCI NIH HHS
ID : R01 CA235162
Pays : United States
Organisme : NCI NIH HHS
ID : T32 CA151022
Pays : United States
Organisme : NIGMS NIH HHS
ID : P41 GM103504
Pays : United States
Organisme : NCI NIH HHS
ID : P50 CA097257
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA014236
Pays : United States
Organisme : CCR NIH HHS
ID : HHSN261200800001C
Pays : United States
Organisme : NIGMS NIH HHS
ID : T32 GM007618
Pays : United States
Organisme : NIGMS NIH HHS
ID : T32 GM141323
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS106155
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA159859
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA015083
Pays : United States
Organisme : NCI NIH HHS
ID : P50 CA211015
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA148699
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201000029C
Pays : United States
Organisme : Cancer Research UK
Pays : United Kingdom
Organisme : NCI NIH HHS
ID : HHSN261200800001E
Pays : United States
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