ArticleCancer research2024
Defining the Role of Extrachromosomal DNA Amplifications in Medulloblastoma.
Article in Cancer research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Characterization, biogenesis model, and current bioinformatics of human extrachromosomal circular DNA.Frontiers in genetics · 2024Pooled it
- Extrachromosomal DNA in Solid Tumors-Landscape, Immune Effects, and Resistance to Targeted Therapy.Oncology research · 2026Review
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Circular extrachromosomal DNA (ecDNA), a common mechanism of oncogene amplification, has been identified as a major contributor to intratumoral heterogeneity and patient outcomes. In a recent publication in Nature Genetics, Chapman and colleagues further explored the role of ecDNA in the context of medulloblastoma. Using whole-genome sequencing, they found that 18% of the patients carry ecDNA amplification across a 468 medulloblastoma patient cohort. The presence of ecDNA was associated with worse survival. Single-cell FISH imaging and multiomic sequencing revealed that ecDNA copy number displayed a cell-to-cell variability within the sample, contributing to tumor heterogeneity. Furthermore, through sequencing and CRISPRi experiments, the authors uncovered frequent enhancer rewiring events on ecDNA that drive proliferation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.