ArticleBlood advances2022
Epstein Barr virus-positive B-cell lymphoma is highly vulnerable to MDM2 inhibitors in vivo.
Article in Blood advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Ubiquitin modification in the regulation of tumor immunotherapy resistance mechanisms and potential therapeutic targets.Experimental hematology & oncology · 2024Review
- Novel and multiple targets for chimeric antigen receptor-based therapies in lymphoma.Frontiers in oncology · 2024Review
- Primary head and neck cancer cell cultures are susceptible to proliferation of Epstein-Barr virus infected lymphocytes.BMC cancer · 2023Article
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Authors and funding
24 authors at 5 institutions in 2 countries.
Funding
Abstract
Epstein-Barr virus-positive (EBV-positive) B-cell lymphomas are common in immunocompromised patients and remain an unmet medical need. Here we report that MDM2 inhibitors (MDM2is) navtemadlin and idasanutlin have potent in vivo activity in EBV-positive B-cell lymphoma established in immunocompromised mice. Tumor regression was observed in all 5 EBV-positive xenograft-associated B-cell lymphomas treated with navtemadlin or idasanutlin. Molecular characterization showed that treatment with MDM2is resulted in activation of p53 pathways and downregulation of cell cycle effectors in human lymphoma cell lines that were either EBV-positive or had undetectable expression of BCL6, a transcriptional inhibitor of the TP53 gene. Moreover, treatment with navtemadlin resulted in tumor regression and prevented systemic dissemination of EBV-positive lymphoma derived from 2 juvenile patients with posttransplant lymphoproliferative diseases, including 1 whose tumor was resistant to virus-specific T-cell therapy. These results provide proof-of-concept for targeted therapy of EBV-positive lymphoma with MDM2is and the feasibility of using EBV infection or loss of BCL6 expression to identify responders to MDM2is.
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