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Ikonnikova A, Fedorinov D, Gryadunov D, Heydarov R, Lyadova M, Moskalenko A, Mikhailovich V, Emelyanova M, Lyadov V. MIR27A Gene Polymorphism Modifies the Effect of Common DPYD Gene Variants on Severe Toxicity in Patients with Gastrointestinal Tumors Treated with Fluoropyrimidine-Based Anticancer Therapy. Int J Mol Sci 2024; 25:8503. [PMID: 39126072 PMCID: PMC11313059 DOI: 10.3390/ijms25158503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/30/2024] [Accepted: 08/01/2024] [Indexed: 08/12/2024] Open
Abstract
To reduce severe fluoropyrimidine-related toxicity, pharmacogenetic guidelines recommend a dose reduction for carriers of four high-risk variants in the DPYD gene (*2A, *13, c.2846A>T, HapB3). The polymorphism in the MIR27A gene has been shown to enhance the predictive value of these variants. Our study aimed to explore whether rs895819 in the MIR27A gene modifies the effect of five common DPYD variants: c.1129-5923C>G (rs75017182, HapB3), c.2194G>A (rs1801160, *6), c.1601G>A (rs1801158, *4), c.496A>G (rs2297595), and c.85T>C (rs1801265, *9A). The study included 370 Caucasian patients with gastrointestinal tumors who received fluoropyrimidine-containing chemotherapy. Genotyping was performed using high-resolution melting analysis. The DPYD*6 allele was associated with overall severe toxicity and neutropenia with an increased risk particularly pronounced in patients carrying the MIR27A variant. All carriers of DPYD*6 exhibited an association with asthenia regardless of their MIR27A status. The increased risk of neutropenia in patients with c.496G was only evident in those co-carrying the MIR27A variant. DPYD*4 was also significantly linked to neutropenia risk in co-carriers of the MIR27A variant. Thus, we have demonstrated the predictive value of the *6, *4, and c.496G alleles of the DPYD gene, considering the modifying effect of the MIR27A polymorphism.
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Affiliation(s)
- Anna Ikonnikova
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (D.G.); (M.E.)
| | - Denis Fedorinov
- Oncology Center No. 1, Moscow City Hospital Named after S. S. Yudin, Moscow Healthcare Department, 117152 Moscow, Russia; (D.F.); (M.L.); (A.M.); (V.L.)
- Department of Oncology and Palliative Medicine Named after Academician A.I. Savitsky, Russian Medical Academy of Continuous Professional Education, 123242 Moscow, Russia
| | - Dmitry Gryadunov
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (D.G.); (M.E.)
| | - Rustam Heydarov
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (R.H.); (V.M.)
| | - Marina Lyadova
- Oncology Center No. 1, Moscow City Hospital Named after S. S. Yudin, Moscow Healthcare Department, 117152 Moscow, Russia; (D.F.); (M.L.); (A.M.); (V.L.)
- Department of Oncology, Novokuznetsk State Institute for Postgraduate Medical Education, 654005 Novokuznetsk, Russia
| | - Alexey Moskalenko
- Oncology Center No. 1, Moscow City Hospital Named after S. S. Yudin, Moscow Healthcare Department, 117152 Moscow, Russia; (D.F.); (M.L.); (A.M.); (V.L.)
| | - Vladimir Mikhailovich
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (R.H.); (V.M.)
| | - Marina Emelyanova
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (D.G.); (M.E.)
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (R.H.); (V.M.)
| | - Vladimir Lyadov
- Oncology Center No. 1, Moscow City Hospital Named after S. S. Yudin, Moscow Healthcare Department, 117152 Moscow, Russia; (D.F.); (M.L.); (A.M.); (V.L.)
- Department of Oncology and Palliative Medicine Named after Academician A.I. Savitsky, Russian Medical Academy of Continuous Professional Education, 123242 Moscow, Russia
- Department of Oncology, Novokuznetsk State Institute for Postgraduate Medical Education, 654005 Novokuznetsk, Russia
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Shriver SP, Adams D, McKelvey BA, McCune JS, Miles D, Pratt VM, Ashcraft K, McLeod HL, Williams H, Fleury ME. Overcoming Barriers to Discovery and Implementation of Equitable Pharmacogenomic Testing in Oncology. J Clin Oncol 2024:JCO2301748. [PMID: 38386947 DOI: 10.1200/jco.23.01748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 11/08/2023] [Accepted: 12/12/2023] [Indexed: 02/24/2024] Open
Abstract
Pharmacogenomics (PGx), the study of inherited genomic variation and drug response or safety, is a vital tool in precision medicine. In oncology, testing to identify PGx variants offers patients the opportunity for customized treatments that can minimize adverse effects and maximize the therapeutic benefits of drugs used for cancer treatment and supportive care. Because individuals of shared ancestry share specific genetic variants, PGx factors may contribute to outcome disparities across racial and ethnic categories when genetic ancestry is not taken into account or mischaracterized in PGx research, discovery, and application. Here, we examine how the current scientific understanding of the role of PGx in differential oncology safety and outcomes may be biased toward a greater understanding and more complete clinical implementation of PGx for individuals of European descent compared with other genetic ancestry groups. We discuss the implications of this bias for PGx discovery, access to care, drug labeling, and patient and provider understanding and use of PGx approaches. Testing for somatic genetic variants is now the standard of care in treatment of many solid tumors, but the integration of PGx into oncology care is still lacking despite demonstrated actionable findings from PGx testing, reduction in avoidable toxicity and death, and return on investment from testing. As the field of oncology is poised to expand and integrate germline genetic variant testing, it is vital that PGx discovery and application are equitable for all populations. Recommendations are introduced to address barriers to facilitate effective and equitable PGx application in cancer care.
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Affiliation(s)
| | | | | | - Jeannine S McCune
- City of Hope/Beckman Research Institute Department of Hematologic Malignancies Translational Sciences, Duarte, CA
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Larrue R, Fellah S, Hennart B, Sabaouni N, Boukrout N, Van der Hauwaert C, Delage C, Cheok M, Perrais M, Cauffiez C, Allorge D, Pottier N. Integrating rare genetic variants into DPYD pharmacogenetic testing may help preventing fluoropyrimidine-induced toxicity. THE PHARMACOGENOMICS JOURNAL 2024; 24:1. [PMID: 38216550 PMCID: PMC10786722 DOI: 10.1038/s41397-023-00322-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/23/2023] [Accepted: 12/05/2023] [Indexed: 01/14/2024]
Abstract
Variability in genes involved in drug pharmacokinetics or drug response can be responsible for suboptimal treatment efficacy or predispose to adverse drug reactions. In addition to common genetic variations, large-scale sequencing studies have uncovered multiple rare genetic variants predicted to cause functional alterations in genes encoding proteins implicated in drug metabolism, transport and response. To understand the functional importance of rare genetic variants in DPYD, a pharmacogene whose alterations can cause severe toxicity in patients exposed to fluoropyrimidine-based regimens, massively parallel sequencing of the exonic regions and flanking splice junctions of the DPYD gene was performed in a series of nearly 3000 patients categorized according to pre-emptive DPD enzyme activity using the dihydrouracil/uracil ([UH2]/[U]) plasma ratio as a surrogate marker of DPD activity. Our results underscore the importance of integrating next-generation sequencing-based pharmacogenomic interpretation into clinical decision making to minimize fluoropyrimidine-based chemotherapy toxicity without altering treatment efficacy.
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Affiliation(s)
- Romain Larrue
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France.
- Service de Toxicologie et Génopathies, CHU Lille, F-59000, Lille, France.
| | - Sandy Fellah
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France
| | - Benjamin Hennart
- Service de Toxicologie et Génopathies, CHU Lille, F-59000, Lille, France
| | - Naoual Sabaouni
- Service de Toxicologie et Génopathies, CHU Lille, F-59000, Lille, France
| | - Nihad Boukrout
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France
| | - Cynthia Van der Hauwaert
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France
| | - Clément Delage
- Service de Toxicologie et Génopathies, CHU Lille, F-59000, Lille, France
| | - Meyling Cheok
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France
| | - Michaël Perrais
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France
| | - Christelle Cauffiez
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France
| | - Delphine Allorge
- Service de Toxicologie et Génopathies, CHU Lille, F-59000, Lille, France
| | - Nicolas Pottier
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020-U1277-CANTHER-Cancer Heterogeneity Plasticity and Resistance to Therapies, F-59000, Lille, France
- Service de Toxicologie et Génopathies, CHU Lille, F-59000, Lille, France
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