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Livshun S, Matvieieva A, Kaminskyi D, Kozakov D, Shabalkov R, Koshyk O, Sulaieva O. 31P EGFR mutation rate and spectrum in Ukrainian patients with advanced NSCLC: Relation to gender and PD-L1 expression. J Thorac Oncol 2023. [DOI: 10.1016/s1556-0864(23)00285-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Dudin O, Mintser O, Kobyliak N, Kaminskyi D, Shabalkov R, Matvieieva A, Sukhanova O, Kalmykova A, Kozakov D, Mashukov A, Sulaieva O. Incidence of BRAF mutations in cutaneous melanoma: histopathological and molecular analysis of a Ukrainian population. Melanoma Manag 2023; 10:MMT64. [PMID: 38221928 PMCID: PMC10784762 DOI: 10.2217/mmt-2023-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 11/16/2023] [Indexed: 01/16/2024] Open
Abstract
Aim This study aimed to investigate the incidence of BRAF mutation in cutaneous melanoma in the Ukrainian population with respect to clinical and histopathological data. Materials & methods This single-center retrospective cohort study enrolled 299 primary CM with known BRAF status assessed by RT-PCR. Results The overall BRAF mutation rate was 56.5% in CM and demonstrated a link with the younger age (p < 0.001), anatomical site (p < 0.001) and histological type of CM (p = 0.022). BRAF-positive CM possessed a slightly higher mitotic rate (p = 0.015) and Breslow thickness (p = 0.028) but did not relate to tumor-infiltrating lymphocytes. Conclusion The high rate of BRAF mutations in CM patients in the Ukrainian cohort was associated with superficial spreading histology, higher depth of invasion and proliferation.
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Affiliation(s)
- Oleksandr Dudin
- Department of Pathology, Medical Laboratory CSD, Kyiv, 03022, Ukraine
- Department of Fundamental Sciences and Informatics, Shupyk National Healthcare University of Ukraine, Keiv, 04112, Ukraine
| | - Ozar Mintser
- Department of Fundamental Sciences and Informatics, Shupyk National Healthcare University of Ukraine, Keiv, 04112, Ukraine
| | - Nazarii Kobyliak
- Department of Pathology, Medical Laboratory CSD, Kyiv, 03022, Ukraine
- Department of Endocrinology, Bogomolets National Medical University, Kyiv, 01601, Ukraine
| | - Dmytro Kaminskyi
- Department of Pathology, Medical Laboratory CSD, Kyiv, 03022, Ukraine
| | - Roman Shabalkov
- Department of Pathology, Medical Laboratory CSD, Kyiv, 03022, Ukraine
| | - Alina Matvieieva
- Department of Pathology, Medical Laboratory CSD, Kyiv, 03022, Ukraine
| | - Olga Sukhanova
- Department of Fundamental Sciences and Informatics, Shupyk National Healthcare University of Ukraine, Keiv, 04112, Ukraine
| | | | - Denys Kozakov
- Department of Pathology, Medical Laboratory CSD, Kyiv, 03022, Ukraine
| | - Artem Mashukov
- Department of Oncology, International Humanitarian University, Odesa, 65009, Ukraine
| | - Oksana Sulaieva
- Department of Pathology, Medical Laboratory CSD, Kyiv, 03022, Ukraine
- Department of Endocrinology, Bogomolets National Medical University, Kyiv, 01601, Ukraine
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Sulaieva O, Kozakov D, Livshun S, Matvieieva A, Shabalkov R. Checking for CHEK2 Hereditary Mutations in Ukrainian Women: Lack of CHECK2 Variants Contribution to Breast Cancer Susceptibility. Am J Clin Pathol 2022. [DOI: 10.1093/ajcp/aqac126.076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Abstract
Introduction/Objective
Although the role of homologous recombination repair (HRR) machinery in breast cancer susceptibility has been clearly established, the range and frequency of HRR gene mutations vary profoundly in different populations. Previously high incidence of CHEK2 (Checkpoint kinase 2) mutations was shown in Eastern Europe, however, there is still limited data on the rate of CHEK2 gene mutations and their clinical implications in the Ukrainian population. The aim of this study was to assess the frequency of CHEK2 mutations and investigate whether CHEK2 variants confer susceptibility to breast cancer in Ukrainian women.
Methods/Case Report
This was a retrospective case-control study performed on 320 female breast cancer patients and 146 unaffected women (control), aged 42,3±0,51 and 40,3±0,84 respectively, who underwent NGS-testing for germline mutations in multiple genes including CHEK2. Only pathogenic (PV) and likely pathogenic (LPV) variants were considered for further analysis.
Results (if a Case Study enter NA)
The frequency of CHEK2 mutations did not differ significantly between the observed groups: there were 27 (8,4%) carriers among female breast cancer patients and 15 (10,27%) carriers in unaffected women. To note, the breast cancer patients demonstrated a high rate of CHEK2 co-mutations with BRCA1 (PV, n=3) and BRCA2 (n=2, PV). Within the range of CHEK2 genetic alterations, we reported variant c.470T>C (p.Ile157Thr) found in 22 carriers (52,4%) and deletions of exons 9-10 detected in 7 women (16,7%) as most prevalent in Ukrainian population. The rates of CHEK2 c.470T>C (p.Ile157Thr) variant were comparable among the unaffected women (n=5; 3,4%) and breast cancer group (n=17; 5,3%); exon 9-10 deletions were found in 2 (1,36%) and 5 (1,56%) cases respectively. Less frequent CHEK2 mutations were detected in ≤3 cases per group. In this study we report no contribution of CHEK2 genetic alterations to breast cancer susceptibility (OR=1,24; 95%CI 0,64-2,41; p=0,521) in Ukrainian women.
Conclusion
The frequency of CHEK2 mutation in Ukrainian women is relatively high as compared to available data on other populations. However, we did not find any contribution of CHEK2 pathogenic/likely pathogenic variants to breast cancer susceptibility.
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Affiliation(s)
| | - D Kozakov
- Medical Laboratory CSD , Kyiv , Ukraine
| | - S Livshun
- Medical Laboratory CSD , Kyiv , Ukraine
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Kozakov D, Livshun S, Guryanov V, Ryspayeva D, Matveieva A, Zahoruiko O, Shabalkov R, Sulaieva O. 141P Molecular landscape of hereditary breast cancer in Ukrainian women. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.03.158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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