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Investigation of a global mouse methylome atlas reveals subtype-specific copy number alterations in pediatric cancer models

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Item Type:Article
Title:Investigation of a global mouse methylome atlas reveals subtype-specific copy number alterations in pediatric cancer models
Creators: Schoof, Melanie ORCID logoORCID: https://orcid.org/0000-0002-1373-8130, Zheng, Tuyu ORCID logoORCID: https://orcid.org/0000-0003-3385-7353, Sill, Martin ORCID logoORCID: https://orcid.org/0000-0001-7616-7665, Imle, Roland ORCID logoORCID: https://orcid.org/0000-0001-9564-6952, Cais, Alessia, Altendorf, Lea, Fürst, Alicia, Hofmann, Nina, Ernst, Kati ORCID logoORCID: https://orcid.org/0000-0002-8555-5907, Vonficht, Dominik, Chan, Kenneth Chun-Ho, Holland-Letz, Tim, Postlmayr, Andreas, Shiraishi, Ryo, Wang, Wanchen, Morcavallo, Alaide, Spohn, Michael ORCID logoORCID: https://orcid.org/0000-0001-9160-4157, Göbel, Carolin ORCID logoORCID: https://orcid.org/0000-0002-7345-2089, Niesen, Judith, Peter, Levke-Sophie ORCID logoORCID: https://orcid.org/0009-0005-7283-9061, Bourdeaut, Franck ORCID logoORCID: https://orcid.org/0000-0001-9489-6781, Han, Zhi-Yan, Pei, Yanxin, Murad, Najiba, Swartling, Fredrik J. ORCID logoORCID: https://orcid.org/0000-0002-8460-4367, Taylor, Jessica ORCID logoORCID: https://orcid.org/0000-0001-8565-8589, Yadav, Monika, Gibson, Garrett R., Gilbertson, Richard J. ORCID logoORCID: https://orcid.org/0000-0001-7539-9472, Dottermusch, Matthias, Roy, Rajanya, Kerl, Kornelius ORCID logoORCID: https://orcid.org/0000-0002-5676-8102, Glass, Rainer, Cheng, Jiying, Horstmann, Martin A., Wolters-Eisfeld, Gerrit ORCID logoORCID: https://orcid.org/0000-0002-2984-6515, Zhao, Haotian ORCID logoORCID: https://orcid.org/0000-0003-2315-8452, Sturm, Dominik, Yadav, Viveka Nand, Chesler, Louis ORCID logoORCID: https://orcid.org/0000-0001-7842-2068, Haas, Simon ORCID logoORCID: https://orcid.org/0000-0001-9227-2051, Weiss, William A., Northcott, Paul A ORCID logoORCID: https://orcid.org/0000-0002-1220-5252, Kutscher, Lena M. ORCID logoORCID: https://orcid.org/0000-0002-1130-4582, Guerreiro Stucklin, Ana ORCID logoORCID: https://orcid.org/0000-0003-3136-9241, Ayrault, Olivier ORCID logoORCID: https://orcid.org/0000-0002-7942-6674, Neumann, Julia E. ORCID logoORCID: https://orcid.org/0000-0002-1162-8771, Kawauchi, Daisuke, Jones, David T.W. ORCID logoORCID: https://orcid.org/0000-0002-2036-5141, Pajtler, Kristian, Banito, Ana ORCID logoORCID: https://orcid.org/0000-0003-2188-0003, Pfister, Stefan M. ORCID logoORCID: https://orcid.org/0000-0002-5447-5322, Schüller, Ulrich ORCID logoORCID: https://orcid.org/0000-0002-8731-1121 and Zuckermann, Marc ORCID logoORCID: https://orcid.org/0000-0003-0148-3289
Abstract:Copy number alterations (CNAs) are hallmarks of cancer, yet investigation of their oncogenic role has been hindered by technical limitations and missing model systems. Here we generated a genome-wide DNA methylation and CNA atlas of 106 genetic mouse models across 31 pediatric tumor types, including 18 new models for pediatric glioma. We demonstrated their epigenetic resemblance to human disease counterparts and identified entity-specific patterns of immune infiltration. We discovered that mouse tumors harbor highly recurrent CNA signatures that occur distinctly based on the tumor subgroup and driving oncogene and showed that these CNAs share syntenic regions with the matching human tumor types, thereby revealing a conserved but previously underappreciated role in subgroup-specific tumorigenesis that can be analyzed using the presented models. Our study provides insights into globally available mouse models for pediatric solid cancers and enables access to functional CNA interrogation, with the potential to unlock new translational targets in pediatric cancers.
Keywords:Animal Disease Models, DNA Copy Number Variations, DNA Methylation, Epigenome, Genetic Epigenesis, Neoplasms, Neoplastic Gene Expression Regulation, Animals, Mice
Source:Nature Genetics
ISSN:1061-4036
Publisher:Nature Publishing Group
Volume:58
Number:1
Page Range:143-156
Date:January 2026
Official Publication:https://doi.org/10.1038/s41588-025-02419-4
PubMed:View item in PubMed
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