ArticleIn vivo (Athens, Greece)
Fusion of the Genes for Interferon Regulatory Factor 2 Binding Protein 2 (
Article in In vivo (Athens, Greece). 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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1 citing paper in PubMed, 2 citations in OpenAlex.
- Reappraisal of soft tissue myoepithelial tumors by DNA methylation profiling reveals an epigenetically distinct group of mostly fusion-driven neoplasms.Virchows Archiv : an international journal of pathology · 2025Article
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
aimChondrogenic tumors are benign, intermediate or malignant neoplasms showing cartilaginous differentiation. In 2012, we reported a mesenchymal chondrosarcoma carrying a t(1;5)(q42;q32) leading to an IRF2BP2::CDX1 fusion gene. Here, we report a second chondrogenic tumor carrying an IRF2BP2::CDX1 chimera. CASE REPORT: Radiological examination of a 41 years old woman showed an osteolytic lesion in the os pubis with a large soft tissue component. Examination of a core needle biopsy led to the diagnosis chondromyxoid fibroma, and the patient was treated with curettage. Microscopic examination of the specimen showed a tumor tissue in which a pink-bluish background matrix was studded with small spindled to stellate cells without atypia, fitting well the chondromyxoid fibroma diagnosis. Focally, a more cartilage-like appearance was observed with cells lying in lacunae and areas with calcification. G-banding analysis of short-term cultured tumor cells yielded the karyotype 46,XX,der(1)inv(1)(p33~34q42) add(1)(p32)?ins(1;?)(q42;?),del(5)(q31),der(5)t(1;5)(q42;q35)[12]/46,XX[3]. RT-PCR together with Sanger sequencing showed the presence of two IRF2BP2::CDX1 chimeric transcripts in which exon 1 of the IRF2BP2 reference sequence NM_182972.3 or NM_001077397.1 was fused to exon 2 of CDX1. Both chimeras were predicted to code for proteins containing the zinc finger domain of IRF2BP2 and homeobox domain of CDX1.
conclusionIRF2BP2::CDX1 chimera is recurrent in chondrogenic tumors. The data are still too sparse to conclude whether it is a hallmark of benign or malignant tumors.
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