دورية أكاديمية
RAF1 gene fusions are recurrent driver events in infantile fibrosarcoma-like mesenchymal tumors.
العنوان: | RAF1 gene fusions are recurrent driver events in infantile fibrosarcoma-like mesenchymal tumors. |
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المؤلفون: | Motta M; Molecular Genetics and Functional Genomics Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Barresi S; Pathology Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Pizzi S; Molecular Genetics and Functional Genomics Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Bifano D; Pathology Unit, Santobono-Pausilipon Children's Hospital, Naples, Italy., Lopez Marti J; Department of Pathology, Hospital Nacional de Pediatria Juan P. Garrahan, Buenos Aires, Argentina., Garrido-Pontnou M; Department of Pathology, Vall d'Hebron Hospital Universitari, Barcelona, Spain., Flex E; Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy., Bruselles A; Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy., Giovannoni I; Pathology Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Rotundo G; Molecular Genetics and Functional Genomics Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Fragale A; Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy., Tirelli V; Core Facilities, Istituto Superiore di Sanità, Rome, Italy., Vallese S; Pathology Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Ciolfi A; Molecular Genetics and Functional Genomics Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Bisogno G; Pediatric Hematology-Oncology Division, University Hospital, Padova, Italy., Alaggio R; Pathology Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.; Department of Medical and Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy., Tartaglia M; Molecular Genetics and Functional Genomics Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy. |
المصدر: | The Journal of pathology [J Pathol] 2024 Jun; Vol. 263 (2), pp. 166-177. Date of Electronic Publication: 2024 Apr 17. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: John Wiley And Sons Country of Publication: England NLM ID: 0204634 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1096-9896 (Electronic) Linking ISSN: 00223417 NLM ISO Abbreviation: J Pathol Subsets: MEDLINE |
أسماء مطبوعة: | Publication: Chichester : John Wiley And Sons Original Publication: London, Oliver & Boyd. |
مواضيع طبية MeSH: | Fibrosarcoma*/genetics , Fibrosarcoma*/pathology , Proto-Oncogene Proteins c-raf*/genetics , Oncogene Proteins, Fusion*/genetics , Nephroma, Mesoblastic*/genetics , Nephroma, Mesoblastic*/pathology, Humans ; Infant ; Female ; Male ; Kidney Neoplasms/genetics ; Kidney Neoplasms/pathology ; Gene Fusion ; Signal Transduction/genetics ; Proto-Oncogene Proteins c-ets/genetics ; Cell Proliferation ; Gene Rearrangement ; ETS Translocation Variant 6 Protein ; Receptor, trkC |
مستخلص: | Infantile fibrosarcomas (IFS) and congenital mesoblastic nephroma (CMN) are rare myofibroblastic tumors of infancy and early childhood commonly harboring the ETV6::NTRK3 gene fusion. IFS/CMN are considered as tumors with an 'intermediate prognosis' as they are locally aggressive, but rarely metastasize, and generally have a favorable outcome. A fraction of IFS/CMN-related neoplasms are negative for the ETV6::NTRK3 gene rearrangement and are characterized by other chimeric proteins promoting MAPK signaling upregulation. In a large proportion of these tumors, which are classified as IFS-like mesenchymal neoplasms, the contributing molecular events remain to be identified. Here, we report three distinct rearrangements involving RAF1 among eight ETV6::NTRK3 gene fusion-negative tumors with an original histological diagnosis of IFS/CMN. The three fusion proteins retain the entire catalytic domain of the kinase. Two chimeric products, GOLGA4::RAF1 and LRRFIP2::RAF1, had previously been reported as driver events in different cancers, whereas the third, CLIP1::RAF1, represents a novel fusion protein. We demonstrate that CLIP1::RAF1 acts as a bona fide oncoprotein promoting cell proliferation and migration through constitutive upregulation of MAPK signaling. We show that the CLIP1::RAF1 hyperactive behavior does not require RAS activation and is mediated by constitutive 14-3-3 protein-independent dimerization of the chimeric protein. As previously reported for the ETV6::NTRK3 fusion protein, CLIP1::RAF1 similarly upregulates PI3K-AKT signaling. Our findings document that RAF1 gene rearrangements represent a recurrent event in ETV6::NTRK3-negative IFS/CMN and provide a rationale for the use of inhibitors directed to suppress MAPK and PI3K-AKT signaling in these cancers. © 2024 The Pathological Society of Great Britain and Ireland. (© 2024 The Pathological Society of Great Britain and Ireland.) |
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معلومات مُعتمدة: | 28768 Associazione Italiana per la Ricerca sul Cancro; Ministero della Salute |
فهرسة مساهمة: | Keywords: MAPK signaling; PI3K‐AKT signaling; RAF kinase; fusion proteins; infantile fibrosarcoma |
المشرفين على المادة: | EC 2.7.11.1 (Raf1 protein, human) EC 2.7.11.1 (Proto-Oncogene Proteins c-raf) 0 (Oncogene Proteins, Fusion) 0 (Proto-Oncogene Proteins c-ets) 0 (ETV6-NTRK3 fusion protein, human) 0 (ETS Translocation Variant 6 Protein) EC 2.7.10.1 (Receptor, trkC) |
تواريخ الأحداث: | Date Created: 20240417 Date Completed: 20240509 Latest Revision: 20240605 |
رمز التحديث: | 20240605 |
DOI: | 10.1002/path.6272 |
PMID: | 38629245 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1096-9896 |
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DOI: | 10.1002/path.6272 |