دورية أكاديمية

Somatic mutational profiling and clinical impact of driver genes in Latin-Iberian medulloblastomas: Towards precision medicine.

التفاصيل البيبلوغرافية
العنوان: Somatic mutational profiling and clinical impact of driver genes in Latin-Iberian medulloblastomas: Towards precision medicine.
المؤلفون: Barateiro LGRP; Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, Brazil., de Oliveira Cavagna R; Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, Brazil., Dos Reis MB; Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, Brazil., de Paula FE; Molecular Diagnostic Laboratory, Barretos Cancer Hospital, Barretos, Brazil., Teixeira GR; Molecular Diagnostic Laboratory, Barretos Cancer Hospital, Barretos, Brazil.; Department of Pathology, Barretos Cancer Hospital, Barretos, Brazil., Moreno DA; Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, Brazil., Bonatelli M; Molecular Diagnostic Laboratory, Barretos Cancer Hospital, Barretos, Brazil., Santana I; Department of Pathology, Barretos Cancer Hospital, Barretos, Brazil., Saggioro FP; Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil., Neder L; Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil., Stavale JN; Federal University of São Paulo, São Paulo, Brazil., Malheiros SMF; Federal University of São Paulo, São Paulo, Brazil., Garcia-Rivello H; Italian Hospital of Buenos Aires, Buenos Aires, Argentina., Christiansen S; Italian Hospital of Buenos Aires, Buenos Aires, Argentina., Nunes S; São João Hospital, Porto, Portugal., da Costa MJG; São João Hospital, Porto, Portugal., Pinheiro J; São João Hospital, Porto, Portugal., Júnior CA; Pediatric Department, Barretos Cancer Hospital, Barretos, Brazil., Mançano BM; Pediatric Department, Barretos Cancer Hospital, Barretos, Brazil., Reis RM; Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, Brazil.; Molecular Diagnostic Laboratory, Barretos Cancer Hospital, Barretos, Brazil.; Life and Health Sciences Research Institute (ICVS), Medical School, University of Minho, Braga, Portugal.
المصدر: Neuropathology : official journal of the Japanese Society of Neuropathology [Neuropathology] 2024 May 12. Date of Electronic Publication: 2024 May 12.
Publication Model: Ahead of Print
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Blackwell Science Asia Country of Publication: Australia NLM ID: 9606526 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1440-1789 (Electronic) Linking ISSN: 09196544 NLM ISO Abbreviation: Neuropathology Subsets: MEDLINE
أسماء مطبوعة: Publication: <2000-> : Melbourne, Australia : Blackwell Science Asia
Original Publication: Sendai, Japan : The Society, [1993-
مستخلص: Medulloblastoma (MB) is the most prevalent malignant brain tumor in children, known for its heterogeneity and treatment-associated toxicity, and there is a critical need for new therapeutic targets. We analyzed the somatic mutation profile of 15 driver genes in 69 Latin-Iberian molecularly characterized medulloblastomas using the Illumina TruSight Tumor 15 panel. We classified the variants based on their clinical impact and oncogenicity. Among the patients, 66.7% were MB SHH , 13.0% MB WNT , 7.3% MB Grp3 , and 13.0% MB Grp4 . Among the 63 variants found, 54% were classified as Tier I/II and 31.7% as oncogenic/likely oncogenic. We observed 33.3% of cases harboring at least one mutation. TP53 (23.2%, 16/69) was the most mutated gene, followed by PIK3CA (5.8%, 4/69), KIT (4.3%, 3/69), PDGFRA (2.9%, 2/69), EGFR (1.4%, 1/69), ERBB2 (1.4%, 1/69), and NRAS (1.4%, 1/69). Approximately 41% of MB SHH tumors exhibited mutations, TP53 (32.6%) being the most frequently mutated gene. Tier I/II and oncogenic/likely oncogenic TP53 variants were associated with relapse, progression, and lower survival rates. Potentially actionable variants in the PIK3CA and KIT genes were identified. Latin-Iberian medulloblastomas, particularly the MB SHH , exhibit higher mutation frequencies than other populations. We corroborate the TP53 mutation status as an important prognostic factor, while PIK3CA and KIT are potential therapeutic targets.
(© 2024 The Authors. Neuropathology published by John Wiley & Sons Australia, Ltd on behalf of Japanese Society of Neuropathology.)
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معلومات مُعتمدة: Conselho Nacional de Desenvolvimento Científico e Tecnológico; Fundação de Amparo à Pesquisa do Estado de São Paulo; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Hospital de Câncer de Barretos; Public Ministry of Labor Campinas; Brazilian Ministry of Health (MoH); the National Council for Scientific and Technological Development; 16/2023 Brazilian National Program of Genomics and Precision Health; Coordination for the Improvement of Higher Education Personnel; 2021/13861-0 São Paulo Research Foundation
فهرسة مساهمة: Keywords: medulloblastoma; mutational profile; next‐generation sequencing; precision medicine; somatic variants
تواريخ الأحداث: Date Created: 20240513 Latest Revision: 20240513
رمز التحديث: 20240513
DOI: 10.1111/neup.12979
PMID: 38736183
قاعدة البيانات: MEDLINE
الوصف
تدمد:1440-1789
DOI:10.1111/neup.12979