ArticleBritish journal of cancer2024
PRRX1-TOP2A interaction is a malignancy-promoting factor in human malignant peripheral nerve sheath tumours.
Article in British journal of cancer, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Alternative Splicing of the NF-Y Subunit, NF-YA, in Neuroblastoma Phenotype Heterogeneity.Cancers · 2026Review
- Chromatin regulatorsChinese journal of cancer research = Chung-kuo yen cheng yen chiu · 2026Article
- RNA-binding protein BICC1 promotes gastric cancer progression via the PRRX1-MAPK signaling axis.Functional & integrative genomics · 2026Article
- Hypomethylation-mediated upregulation of PHOX1 promotes gastric cancer progression via transactivation of NGFR.Cell death discovery · 2025Article
- Multi-omics analysis reveals the panoramic picture of TOP2A in pan-cancer.Scientific reports · 2025Article
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12 authors at 2 institutions in 1 country.
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Abstract
backgroundPaired related-homeobox 1 (PRRX1) is a transcription factor in the regulation of developmental morphogenetic processes. There is growing evidence that PRRX1 is highly expressed in certain cancers and is critically involved in human survival prognosis. However, the molecular mechanism of PRRX1 in cancer malignancy remains to be elucidated.
methodsPRRX1 expression in human Malignant peripheral nerve sheath tumours (MPNSTs) samples was detected immunohistochemically to evaluate survival prognosis. MPNST models with PRRX1 gene knockdown or overexpression were constructed in vitro and the phenotype of MPNST cells was evaluated. Bioinformatics analysis combined with co-immunoprecipitation, mass spectrometry, RNA-seq and structural prediction were used to identify proteins interacting with PRRX1.
resultsHigh expression of PRRX1 was associated with a poor prognosis for MPNST. PRRX1 knockdown suppressed the tumorigenic potential. PRRX1 overexpressed in MPNSTs directly interacts with topoisomerase 2 A (TOP2A) to cooperatively promote epithelial-mesenchymal transition and increase expression of tumour malignancy-related gene sets including mTORC1, KRAS and SRC signalling pathways. Etoposide, a TOP2A inhibitor used in the treatment of MPNST, may exhibit one of its anticancer effects by inhibiting the PRRX1-TOP2A interaction.
conclusionTargeting the PRRX1-TOP2A interaction in malignant tumours with high PRRX1 expression might provide a novel tumour-selective therapeutic strategy.
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