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Afolabi HA, Salleh SM, Zakaria Z, Seng CE, Nafi NM, Bin AbdulAziz AA, Wada Y, Irekeola AA, Al-Ml-hanna SB, Mussa A. Targeted variant prevalence of FBXW7 gene mutation in colorectal carcinoma propagation. The first systematic review and meta-analysis. Heliyon 2024; 10:e31471. [PMID: 38845996 PMCID: PMC11154211 DOI: 10.1016/j.heliyon.2024.e31471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 05/15/2024] [Accepted: 05/16/2024] [Indexed: 06/09/2024] Open
Abstract
FBXW7 is a tumour suppressor gene that functions as E3-ubiquitin-ligase, targeting numerous oncoproteins for degradation, i.e., Cyclin-E, c-Myc, and Notch. FBXW7 performs a pivotal role in regulating cell cycle progression. FBXW7 mutation is frequently implicated in various cancers. Methodology A systematic review and meta-analysis done on several studies using "Preferred Reporting Items for Systemmatic Reviews and Meta-Analysis (PRISMA)" criteria and registered with PROSPERO (registration-number-CRD42023388845). The preliminary search comprises 1182 articles; however, 58 studies were subsequently chosen after eliminating non-eligible studies. To explore the prevalence of FBXW7 mutation among colorectal cancer patients, data were analysed using "OpenMeta Analyst and comprehensive meta-analysis-3.0 (CMA-3.0)" software. Results This meta-analysis involves 13,974 respondents; most were males 7825/13,974, (56.0 %). Overall prevalence of FBXW7 mutations was 10.3 %, (95%CI: 8.6-12.4), I2 = 90.5 %, (P < 0.001). The occurrence of FBXW7 mutations was highest in Russia [19.0 %, (95%CI: 9.8-33.7)] and Taiwan [18.8 %, (95%CI: 8.7-35.9)], P-values< 0.05 while the least prevalence was reported in Netherland (4 %) and Italy (5 %), both P-values< 0.001. Overall prevalence of FBXW7 abberation was greatest amongst male gender: "53.9 %, (95%CI: 8.3-62.0 %)", Tumour location (colon): 59.8 %, (95%CI: 53.9-65), tumour site (left): 61.6 %, (95%CI: 53.8-68.9), Tumour-grade (Moderate): 65.9 %, (95%CI: 54.9-75.4 %), and Tumour late-stage: 67.9 %, (95%CI: 49.7-84.3 %), all P-values< 0.001. When stratified according to study-period, an increasing trend was noted from 2018 till present with the highest mutation rate recorded in 2022 (15.3 %). Conclusion Overall prevalence of FBXW7 mutations was 10.3 % with male gender, left side, and late-stage being most mutated, and these outcomes conform with severally published articles on FBXW7 mutation.
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Affiliation(s)
- Hafeez Abiola Afolabi
- Department of General Surgery, School of Medical Sciences, Hospital Universiti Sains Malaysia (HUSM), Health Campus, Universiti Sains Malaysia (USM), Kubang Kerian, Kelantan, 16150, Malaysia
| | - Salzihan Md Salleh
- Department of Pathology, School of Medical Sciences, Hospital Universiti Sains Malaysia (HUSM), Health Campus, Universiti Sains Malaysia (USM), Kubang Kerian, 16150, Kelantan, Malaysia
| | - Zaidi Zakaria
- Department of General Surgery, School of Medical Sciences, Hospital Universiti Sains Malaysia (HUSM), Health Campus, Universiti Sains Malaysia (USM), Kubang Kerian, Kelantan, 16150, Malaysia
| | - Ch'ng Ewe Seng
- Department of Pathology, Advanced Medical & Dental Institute, Universiti Sains Malaysia (USM), Kepala Batas, 13200, Malaysia
| | - Norasikin Mohd Nafi
- Department of Pathology, School of Medical Sciences, Universiti Sains Malaysia (USM), Health Campus, Kubang Kerian, 16150, Malaysia
| | - Ahmad Aizat Bin AbdulAziz
- Department of Human Genome Centre, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
| | - Yusuf Wada
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
- Department of Zoology, Ahmadu Bello University, Zaria, Kaduna, Nigeria
| | - Ahmad Adebayo Irekeola
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
| | - Sameer Badri Al-Ml-hanna
- Department of Exercise Physiology, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
| | - Ali Mussa
- Department of Biology, Faculty of Education, Omdurman Islamic University, Omdurman, P.O. Box 382, Sudan
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
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Jamieson A, Sobral de Barros J, Cochrane DR, Douglas JM, Shankar S, Lynch BJ, Leung S, Martin S, Senz J, Lum A, Drew Y, Gilks CB, Huntsman DG, McAlpine JN. Targeted and Shallow Whole-Genome Sequencing Identifies Therapeutic Opportunities in p53abn Endometrial Cancers. Clin Cancer Res 2024; 30:2461-2474. [PMID: 38536067 PMCID: PMC11145180 DOI: 10.1158/1078-0432.ccr-23-3689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/23/2024] [Accepted: 03/25/2024] [Indexed: 06/04/2024]
Abstract
PURPOSE Shallow whole-genome sequencing (sWGS) can detect copy-number (CN) aberrations. In high-grade serous ovarian cancer (HGSOC) sWGS identified CN signatures such as homologous recombination deficiency (HRD) to direct therapy. We applied sWGS with targeted sequencing to p53abn endometrial cancers to identify additional prognostic stratification and therapeutic opportunities. EXPERIMENTAL DESIGN sWGS and targeted panel sequencing was performed on formalin-fixed, paraffin-embedded p53abn endometrial cancers. CN alterations, mutational data and CN signatures were derived, and associations to clinicopathologic and outcomes data were assessed. RESULTS In 187 p53abn endometrial cancers, 5 distinct CN signatures were identified. Signature 5 was associated with BRCA1/2 CN loss with features similar to HGSOC HRD signature. Twenty-two percent of potential HRD cases were identified, 35 patients with signature 5, and 8 patients with BRCA1/2 somatic mutations. Signatures 3 and 4 were associated with a high ploidy state, and CCNE1, ERBB2, and MYC amplifications, with mutations in PIK3CA enriched in signature 3. We observed improved overall survival (OS) for patients with signature 2 and worse OS for signatures 1 and 3. Twenty-eight percent of patients had CCNE1 amplification and this subset was enriched with carcinosarcoma histotype. Thirty-four percent of patients, across all histotypes, had ERBB2 amplification and/or HER2 overexpression on IHC, which was associated with worse outcomes. Mutations in PPP2R1A (29%) and FBXW7 (16%) were among the top 5 most common mutations. CONCLUSIONS sWGS and targeted sequencing identified therapeutic opportunities in 75% of patients with p53abn endometrial cancer. Further research is needed to determine the efficacy of treatments targeting these identified pathways within p53abn endometrial cancers.
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Affiliation(s)
- Amy Jamieson
- Division of Gynecologic Oncology, Department of Gynecology and Obstetrics, University of British Columbia, Vancouver, Canada
| | | | - Dawn R. Cochrane
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
| | - J. Maxwell Douglas
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
| | - Sameer Shankar
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
| | - Branden J. Lynch
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
| | - Samuel Leung
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
| | - Spencer Martin
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
| | - Janine Senz
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
| | - Amy Lum
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
| | - Yvette Drew
- Division of Gynecologic Oncology, Department of Gynecology and Obstetrics, University of British Columbia, Vancouver, Canada
| | - C. Blake Gilks
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
| | - David G. Huntsman
- Department of Molecular Oncology, University of British Columbia, Vancouver, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
| | - Jessica N. McAlpine
- Division of Gynecologic Oncology, Department of Gynecology and Obstetrics, University of British Columbia, Vancouver, Canada
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Makk E, Bohonyi N, Oszter A, Éles K, Tornóczky T, Tóth A, Kálmán E, Kovács K. Comparative analysis of EZH2, p16 and p53 expression in uterine carcinosarcomas. Pathol Oncol Res 2023; 29:1611547. [PMID: 38146588 PMCID: PMC10749357 DOI: 10.3389/pore.2023.1611547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 11/28/2023] [Indexed: 12/27/2023]
Abstract
Introduction: The role of p16 and p53 immunohistochemistry in the diagnosis of rare and aggressive uterine carcinosarcoma (UCS) has been well established. However, enhancer of zeste homolog 2 (EZH2), a histone methyltransferase and a member of the polycomb group family is a relatively new biomarker, with limited published data on its significance in this tumor type. The goal of this study was to examine EZH2 expression in UCS and its components, in correlation with morphological features, and p16 and p53 staining patterns. Methods: Twenty-eight UCSs were included in the study. EZH2, p16 and p53 immunoreactivity were assessed independently by two pathologists in both tumor components (epithelial and mesenchymal). EZH2 and p16 immunostains were scored semiquantitatively: based on the percentage and intensity of tumor cell staining a binary staining index ("high- or low-expressing") was calculated. The p53 staining pattern was evaluated as wild-type or aberrant (diffuse nuclear, null, or cytoplasmic expression). Statistical tests were used to evaluate the correlation between staining patterns for all three markers and the different tumor components and histotypes. Results: High EZH2 and p16 expression and aberrant p53 patterns were present in 89.3% 78.6% and 85.7% of the epithelial component and in 78.6%, 62.5% and 82.1% of the mesenchymal component, respectively. Differences among these expression rates were not found to be significant (p > 0.05). Regarding the epithelial component, aberrant p53 pattern was found to be significantly (p = 0.0474) more frequent in the serous (100%) than in endometrioid (66.6%) histotypes. Within the mesenchymal component, p53 null expression pattern occurred significantly (p = 0.0257) more frequently in heterologous sarcoma components (71.4%) compared to the homologous histotype (18.8%). Conclusion: In conclusion, EZH2, p16 and p53 seem to play a universal role in the pathogenesis of UCS; however, a distinctive pattern of p53 expression appears to exist between the serous and endometrioid carcinoma components and also between the homologous and heterologous sarcoma components.
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Affiliation(s)
- Evelin Makk
- Department of Pathology, University of Pécs Medical School, Pécs, Hungary
| | - Noémi Bohonyi
- Department of Obstretrics and Gynaecology, University of Pécs Medical School, Pécs, Hungary
| | - Angéla Oszter
- Department of Pathology, University of Pécs Medical School, Pécs, Hungary
| | - Klára Éles
- Department of Pathology, University of Pécs Medical School, Pécs, Hungary
| | - Tamás Tornóczky
- Department of Pathology, University of Pécs Medical School, Pécs, Hungary
| | - Arnold Tóth
- Department of Medical Imaging, University of Pécs Medical School, Pécs, Hungary
| | - Endre Kálmán
- Department of Pathology, University of Pécs Medical School, Pécs, Hungary
| | - Krisztina Kovács
- Department of Pathology, University of Pécs Medical School, Pécs, Hungary
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