ATR inhibition enables complete tumour regression in ALK-driven NB mouse models.


Journal

Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555

Informations de publication

Date de publication:
24 11 2021
Historique:
received: 27 02 2021
accepted: 03 11 2021
entrez: 25 11 2021
pubmed: 26 11 2021
medline: 24 12 2021
Statut: epublish

Résumé

High-risk neuroblastoma (NB) often involves MYCN amplification as well as mutations in ALK. Currently, high-risk NB presents significant clinical challenges, and additional therapeutic options are needed. Oncogenes like MYCN and ALK result in increased replication stress in cancer cells, offering therapeutically exploitable options. We have pursued phosphoproteomic analyses highlighting ATR activity in ALK-driven NB cells, identifying the BAY1895344 ATR inhibitor as a potent inhibitor of NB cell growth and proliferation. Using RNA-Seq, proteomics and phosphoproteomics we characterize NB cell and tumour responses to ATR inhibition, identifying key components of the DNA damage response as ATR targets in NB cells. ATR inhibition also produces robust responses in mouse models. Remarkably, a 2-week combined ATR/ALK inhibition protocol leads to complete tumor regression in two independent genetically modified mouse NB models. These results suggest that NB patients, particularly in high-risk groups with oncogene-induced replication stress, may benefit from ATR inhibition as therapeutic intervention.

Identifiants

pubmed: 34819497
doi: 10.1038/s41467-021-27057-2
pii: 10.1038/s41467-021-27057-2
pmc: PMC8613282
doi:

Substances chimiques

BAY 1895344 0
Morpholines 0
Protein Kinase Inhibitors 0
Pyrazoles 0
Atr protein, mouse EC 2.7.1.-
ALK protein, human EC 2.7.10.1
Alk protein, mouse EC 2.7.10.1
Anaplastic Lymphoma Kinase EC 2.7.10.1
ATR protein, human EC 2.7.11.1
Ataxia Telangiectasia Mutated Proteins EC 2.7.11.1

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

6813

Informations de copyright

© 2021. The Author(s).

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Auteurs

Joanna Szydzik (J)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden.

Dan E Lind (DE)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden.

Badrul Arefin (B)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden.

Yeshwant Kurhe (Y)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden.

Ganesh Umapathy (G)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden.

Joachim Tetteh Siaw (JT)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden.

Arne Claeys (A)

Department of Human Structure and Repair, Anatomy and Embryology Unit, Ghent University, 9000, Ghent, Belgium.

Jonatan L Gabre (JL)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden.
Department of Human Structure and Repair, Anatomy and Embryology Unit, Ghent University, 9000, Ghent, Belgium.

Jimmy Van den Eynden (J)

Department of Human Structure and Repair, Anatomy and Embryology Unit, Ghent University, 9000, Ghent, Belgium. jimmy.vandeneynden@ugent.be.

Bengt Hallberg (B)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden. bengt.hallberg@gu.se.

Ruth H Palmer (RH)

Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, SE-40530, Gothenburg, Sweden. ruth.palmer@gu.se.

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