ArticleBMC medical genomics2023
Proto-oncogene mutations in middle ear cholesteatoma contribute to its pathogenesis.
Article in BMC medical genomics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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
1 citing paper in PubMed, 3 citations in OpenAlex.
- Benign, persistent, and invasive: mechanistic and translational approaches to middle‑ear cholesteatoma.Exploration of targeted anti-tumor therapy · 2026Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundChronic inflammation causes bone destruction in middle ear cholesteatomas (MECs). However, the causes of their neoplastic features remain unknown. The present study demonstrated for the first time that neoplastic features of MEC are based on proto-oncogene mutations.
resultsDNA was extracted from MEC and blood samples of five patients to detect somatic mutations using depth-depth exome sequencing. Exons with somatic variants were analyzed using an additional 17 MEC/blood test pairs. Variants detected in MECs but not in blood were considered pathogenic variant candidates. We analyzed the correlation between proto-oncogene (NOTCH1 and MYC) variants and the presence of bone destruction and granulation tissue formation. MYC and NOTCH1 variants were detected in two and five of the 22 samples, respectively. Two of the NOTCH1 variants were located in its specific functional domain, one was truncating and the other was a splice donor site variant. Mutations of the two genes in attic cholesteatomas (n = 14) were significantly related with bone destruction (p = 0.0148) but not with granulation tissue formation (p = 0.399).
conclusionsThis is the first study to demonstrate a relationship between neoplastic features of MEC and proto-oncogene mutations.
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