Alterations in ALK/ROS1/NTRK/MET drive a group of infantile hemispheric gliomas.
Anaplastic Lymphoma Kinase
/ genetics
Brain Neoplasms
/ classification
DNA Methylation
Epigenomics
/ methods
Female
Gene Expression Regulation, Neoplastic
Glioma
/ classification
Humans
Infant
Infant, Newborn
Male
Protein-Tyrosine Kinases
/ genetics
Proto-Oncogene Proteins
/ genetics
Proto-Oncogene Proteins c-met
/ genetics
Receptor Protein-Tyrosine Kinases
/ genetics
Receptor, trkA
/ genetics
Survival Analysis
Exome Sequencing
/ methods
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
25 09 2019
25 09 2019
Historique:
received:
18
01
2019
accepted:
13
08
2019
entrez:
27
9
2019
pubmed:
27
9
2019
medline:
14
1
2020
Statut:
epublish
Résumé
Infant gliomas have paradoxical clinical behavior compared to those in children and adults: low-grade tumors have a higher mortality rate, while high-grade tumors have a better outcome. However, we have little understanding of their biology and therefore cannot explain this behavior nor what constitutes optimal clinical management. Here we report a comprehensive genetic analysis of an international cohort of clinically annotated infant gliomas, revealing 3 clinical subgroups. Group 1 tumors arise in the cerebral hemispheres and harbor alterations in the receptor tyrosine kinases ALK, ROS1, NTRK and MET. These are typically single-events and confer an intermediate outcome. Groups 2 and 3 gliomas harbor RAS/MAPK pathway mutations and arise in the hemispheres and midline, respectively. Group 2 tumors have excellent long-term survival, while group 3 tumors progress rapidly and do not respond well to chemoradiation. We conclude that infant gliomas comprise 3 subgroups, justifying the need for specialized therapeutic strategies.
Identifiants
pubmed: 31554817
doi: 10.1038/s41467-019-12187-5
pii: 10.1038/s41467-019-12187-5
pmc: PMC6761184
doi:
Substances chimiques
Proto-Oncogene Proteins
0
Anaplastic Lymphoma Kinase
EC 2.7.10.1
MET protein, human
EC 2.7.10.1
Protein-Tyrosine Kinases
EC 2.7.10.1
Proto-Oncogene Proteins c-met
EC 2.7.10.1
ROS1 protein, human
EC 2.7.10.1
Receptor Protein-Tyrosine Kinases
EC 2.7.10.1
Receptor, trkA
EC 2.7.10.1
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
4343Subventions
Organisme : Canadian Cancer Society Research Institute (Société Canadienne du Cancer)
ID : 702296
Pays : International
Organisme : Gouvernement du Canada | Canadian Institutes of Health Research (Instituts de Recherche en Santé du Canada)
ID : 159805
Pays : International
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