American Association for Cancer Research
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Supplementary Table 4 from Infection Exposure Promotes ETV6-RUNX1 Precursor B-cell Leukemia via Impaired H3K4 Demethylases

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posted on 2023-03-31, 00:47 authored by Guillermo Rodríguez-Hernández, Julia Hauer, Alberto Martín-Lorenzo, Daniel Schäfer, Christoph Bartenhagen, Idoia García-Ramírez, Franziska Auer, Inés González-Herrero, Lucia Ruiz-Roca, Michael Gombert, Vera Okpanyi, Ute Fischer, Cai Chen, Martin Dugas, Sanil Bhatia, René Martin Linka, Marta Garcia-Suquia, María Victoria Rascón-Trincado, Angel Garcia-Sanchez, Oscar Blanco, Maria Begoña García-Cenador, Francisco Javier García-Criado, César Cobaleda, Diego Alonso-López, Javier De Las Rivas, Markus Müschen, Carolina Vicente-Dueñas, Isidro Sánchez-García, Arndt Borkhardt

Supplementary Table 4: Differentially expressed genes in bone marrow proB and preB cells from ETV6-RUNX1 mice compared to wild-type bone marrow proB and preB cells. (12423 genes-probesets with FDR = 0.1).

Funding

German Children's Cancer Foundation

HHMI

NIH

NCI

Wellcome Trust

Leukemia and Lymphoma Society

Federal Ministry of Education and Research

FEDER

Instituto de Salud Carlos III

ISCIII

Junta de Castilla y León

FP7

German Carreras Foundation

FSE-Conserjería de Educación de la Junta de Castilla y León

History

ARTICLE ABSTRACT

ETV6-RUNX1 is associated with the most common subtype of childhood leukemia. As few ETV6-RUNX1 carriers develop precursor B-cell acute lymphocytic leukemia (pB-ALL), the underlying genetic basis for development of full-blown leukemia remains to be identified, but the appearance of leukemia cases in time-space clusters keeps infection as a potential causal factor. Here, we present in vivo genetic evidence mechanistically connecting preleukemic ETV6-RUNX1 expression in hematopoetic stem cells/precursor cells (HSC/PC) and postnatal infections for human-like pB-ALL. In our model, ETV6-RUNX1 conferred a low risk of developing pB-ALL after exposure to common pathogens, corroborating the low incidence observed in humans. Murine preleukemic ETV6-RUNX1 pro/preB cells showed high Rag1/2 expression, known for human ETV6-RUNX1 pB-ALL. Murine and human ETV6-RUNX1 pB-ALL revealed recurrent genomic alterations, with a relevant proportion affecting genes of the lysine demethylase (KDM) family. KDM5C loss of function resulted in increased levels of H3K4me3, which coprecipitated with RAG2 in a human cell line model, laying the molecular basis for recombination activity. We conclude that alterations of KDM family members represent a disease-driving mechanism and an explanation for RAG off-target cleavage observed in humans. Our results explain the genetic basis for clonal evolution of an ETV6-RUNX1 preleukemic clone to pB-ALL after infection exposure and offer the possibility of novel therapeutic approaches. Cancer Res; 77(16); 4365–77. ©2017 AACR.

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