Multiomic profiling of medulloblastoma reveals subtype-specific targetable alterations at the proteome and N-glycan level
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Multiomic profiling of medulloblastoma reveals subtype-specific targetable alterations at the proteome and N-glycan level. / Godbole, Shweta; Voß, Hannah; Gocke, Antonia; Schlumbohm, Simon; Schumann, Yannis; Peng, Bojia; Mynarek, Martin; Rutkowski, Stefan; Dottermusch, Matthias; Dorostkar, Mario M; Korshunov, Andrey; Mair, Thomas; Pfister, Stefan M; Kwiatkowski, Marcel; Hotze, Madlen; Neumann, Philipp; Hartmann, Christian; Weis, Joachim; Liesche-Starnecker, Friederike; Guan, Yudong; Moritz, Manuela; Siebels, Bente; Struve, Nina; Schlüter, Hartmut; Schüller, Ulrich; Krisp, Christoph; Neumann, Julia E.
In: NAT COMMUN, Vol. 15, No. 1, 24.07.2024, p. 6237.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Multiomic profiling of medulloblastoma reveals subtype-specific targetable alterations at the proteome and N-glycan level
AU - Godbole, Shweta
AU - Voß, Hannah
AU - Gocke, Antonia
AU - Schlumbohm, Simon
AU - Schumann, Yannis
AU - Peng, Bojia
AU - Mynarek, Martin
AU - Rutkowski, Stefan
AU - Dottermusch, Matthias
AU - Dorostkar, Mario M
AU - Korshunov, Andrey
AU - Mair, Thomas
AU - Pfister, Stefan M
AU - Kwiatkowski, Marcel
AU - Hotze, Madlen
AU - Neumann, Philipp
AU - Hartmann, Christian
AU - Weis, Joachim
AU - Liesche-Starnecker, Friederike
AU - Guan, Yudong
AU - Moritz, Manuela
AU - Siebels, Bente
AU - Struve, Nina
AU - Schlüter, Hartmut
AU - Schüller, Ulrich
AU - Krisp, Christoph
AU - Neumann, Julia E
N1 - © 2024. The Author(s).
PY - 2024/7/24
Y1 - 2024/7/24
N2 - Medulloblastomas (MBs) are malignant pediatric brain tumors that are molecularly and clinically heterogenous. The application of omics technologies-mainly studying nucleic acids-has significantly improved MB classification and stratification, but treatment options are still unsatisfactory. The proteome and their N-glycans hold the potential to discover clinically relevant phenotypes and targetable pathways. We compile a harmonized proteome dataset of 167 MBs and integrate findings with DNA methylome, transcriptome and N-glycome data. We show six proteome MB subtypes, that can be assigned to two main molecular programs: transcription/translation (pSHHt, pWNT and pG3myc), and synapses/immunological processes (pSHHs, pG3 and pG4). Multiomic analysis reveals different conservation levels of proteome features across MB subtypes at the DNA methylome level. Aggressive pGroup3myc MBs and favorable pWNT MBs are most similar in cluster hierarchies concerning overall proteome patterns but show different protein abundances of the vincristine resistance-associated multiprotein complex TriC/CCT and of N-glycan turnover-associated factors. The N-glycome reflects proteome subtypes and complex-bisecting N-glycans characterize pGroup3myc tumors. Our results shed light on targetable alterations in MB and set a foundation for potential immunotherapies targeting glycan structures.
AB - Medulloblastomas (MBs) are malignant pediatric brain tumors that are molecularly and clinically heterogenous. The application of omics technologies-mainly studying nucleic acids-has significantly improved MB classification and stratification, but treatment options are still unsatisfactory. The proteome and their N-glycans hold the potential to discover clinically relevant phenotypes and targetable pathways. We compile a harmonized proteome dataset of 167 MBs and integrate findings with DNA methylome, transcriptome and N-glycome data. We show six proteome MB subtypes, that can be assigned to two main molecular programs: transcription/translation (pSHHt, pWNT and pG3myc), and synapses/immunological processes (pSHHs, pG3 and pG4). Multiomic analysis reveals different conservation levels of proteome features across MB subtypes at the DNA methylome level. Aggressive pGroup3myc MBs and favorable pWNT MBs are most similar in cluster hierarchies concerning overall proteome patterns but show different protein abundances of the vincristine resistance-associated multiprotein complex TriC/CCT and of N-glycan turnover-associated factors. The N-glycome reflects proteome subtypes and complex-bisecting N-glycans characterize pGroup3myc tumors. Our results shed light on targetable alterations in MB and set a foundation for potential immunotherapies targeting glycan structures.
KW - Medulloblastoma/metabolism
KW - Humans
KW - Polysaccharides/metabolism
KW - Proteome/metabolism
KW - Cerebellar Neoplasms/metabolism
KW - DNA Methylation
KW - Transcriptome
KW - Child
KW - Proteomics/methods
KW - Female
KW - Gene Expression Regulation, Neoplastic
KW - Male
KW - Child, Preschool
KW - Gene Expression Profiling/methods
U2 - 10.1038/s41467-024-50554-z
DO - 10.1038/s41467-024-50554-z
M3 - SCORING: Journal article
C2 - 39043693
VL - 15
SP - 6237
JO - NAT COMMUN
JF - NAT COMMUN
SN - 2041-1723
IS - 1
ER -