ArticleMolecular cancer research : MCR2015
EphB1 Suppression in Acute Myelogenous Leukemia: Regulating the DNA Damage Control System.
Article in Molecular cancer research : MCR, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 21 citations in OpenAlex.
- Exploiting somatic oncogenic driver alterations in a patient with Li-Fraumeni syndrome- paving the path towards precision medicine: a case report.Journal of cancer research and clinical oncology · 2025Article
- The Clinical Relevance of the EPH/Ephrin Signaling Pathway in Pediatric Solid and Hematologic Malignancies.International journal of molecular sciences · 2024Review
- Eph receptors and ephrins in cancer progression.Nature reviews. Cancer · 2024Review
- Review
- Construction of three-gene-based prognostic signature and analysis of immune cells infiltration in children and young adults with B-acute lymphoblastic leukemia.Molecular genetics & genomic medicine · 2022Article
- RNA sequencing and functional studies of patient-derived cells reveal that neurexin-1 and regulators of this pathway are associated with poor outcomes in Ewing sarcoma.Cellular oncology (Dordrecht, Netherlands) · 2021Article
- Review
- Peptide microarray of pediatric acute myeloid leukemia is related to relapse and reveals involvement of DNA damage response and repair.Oncotarget · 2019Article
- Orange is the new black: Kinases are the new master regulators of tumor suppression.IUBMB life · 2019Review
- Truncation- and motif-based pan-cancer analysis reveals tumor-suppressing kinases.Science signaling · 2018Article
- Peptide microarray profiling identifies phospholipase C gamma 1 (PLC-γ1) as a potential target for t(8;21) AML.Oncotarget · 2017Article
- Paradoxes of the EphB1 receptor in malignant brain tumors.Cancer cell international · 2017Review
- Prognostic values of EphB1/B2 and p-EphB1/B2 expression in non-small cell lung cancer.International journal of clinical and experimental pathology · 2017Article
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
Abstract
unlabelledLoss of ephrin receptor (EphB1) expression may associate with aggressive cancer phenotypes; however, the mechanism of action remains unclear. To gain detailed insight into EphB1 function in acute myelogenous leukemia (AML), comprehensive analysis of EphB1 transcriptional regulation was conducted. In AML cells, EphB1 transcript was inversely correlated with EphB1 promoter methylation. The presence of EphB1 allowed EfnB1 ligand-mediated p53 DNA binding, leading to restoration of the DNA damage response (DDR) cascade by the activation of ATR, Chk1, p53, p21, p38, CDK1(tyr15), and Bax, and downregulation of HSP27 and Bcl2. Comparatively, reintroduction of EphB1 expression in EphB1-methylated AML cells enhanced the same cascade of ATR, Chk1, p21, and CDK1(tyr15), which consequently enforced programmed cell death. Interestingly, in pediatric AML samples, EphB1 peptide phosphorylation and mRNA expression were actively suppressed as compared with normal bone marrow, and a significant percentage of the primary AML specimens had EphB1 promoter hypermethylation. Finally, EphB1 repression associated with a poor overall survival in pediatric AML. Combined, the contribution of EphB1 to the DDR system reveals a tumor-suppressor function for EphB1 in pediatric AML. IMPLICATIONS: The tumor-suppressor function of EphB1 is clinically relevant across many malignancies, suggesting that EphB1 is an important regulator of common cancer cell transforming pathways.
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