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Guimarães JR, de Souza BF, Filho JMCV, Damascena LCL, Valença AMG, Persuhn DC, de Oliveira NFP. Epigenetic mechanisms and oral mucositis in children with acute lymphoblastic leukaemia. Eur J Oral Sci 2024:e13009. [PMID: 39075736 DOI: 10.1111/eos.13009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 07/12/2024] [Indexed: 07/31/2024]
Abstract
This study aimed to investigate the relationship between epigenetic mechanisms and oral mucositis (OM) in paediatric patients with acute lymphoblastic leukaemia. Oral cells were collected from 76 participants, including 15 healthy individuals, 10 patients with acute lymphoblastic leukaemia but without a history of OM and 51 acute lymphoblastic leukaemia patients with a history of OM (35 with active OM and 16 who had recovered from OM). Global DNA methylation in the miR-9-1 and miR-9-3 genes was performed. Seven polymorphisms rs1801131, rs1801133 (MTHFR), rs2228611 (DNMT1), rs7590760, rs1550117 (DNMT3A), rs6087990, rs2424913 (DNMT3B) were genotyped and an analysis of association with global DNA methylation was performed. The global methylation levels were lower in cancer patients recovered from OM than in the other groups. A higher frequency of unmethylated profile for miR-9-1 and partially methylated profile for miR-9-3 was observed in cancer patients regardless of OM history compared to healthy patients. The GG genotype of the rs2228611 (DNMT1) polymorphism was associated with higher levels of global methylation in cancer patients irrespective of OM. It was concluded that global methylation is associated with mucosal recovery. The effect of DNMT1 genotype on the global DNA methylation profile, as well as the methylation profile of miR-9-1 and miR-9-3 in cancer patients is independent of OM.
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Affiliation(s)
- Juliana Ramalho Guimarães
- Postgraduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba, - UFPB, João Pessoa, Paraíba, Brazil
| | - Beatriz Fernandes de Souza
- Postgraduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba, - UFPB, João Pessoa, Paraíba, Brazil
| | | | - Lecidamia Cristina Leite Damascena
- Postgraduate Program in Decision Models and Health, Center for Exact and Natural Sciences, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - Ana Maria Gondim Valença
- Postgraduate Program in Decision Models and Health, Center for Exact and Natural Sciences, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - Darlene Camati Persuhn
- Department of Molecular Biology, Center for Exact and Natural Sciences, Federal University of Paraíba, - UFPB, João Pessoa, Paraíba, Brazil
| | - Naila Francis Paulo de Oliveira
- Postgraduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba, - UFPB, João Pessoa, Paraíba, Brazil
- Department of Molecular Biology, Center for Exact and Natural Sciences, Federal University of Paraíba, - UFPB, João Pessoa, Paraíba, Brazil
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Burgueño-Rodríguez G, Méndez Y, Olano N, Schelotto M, Castillo L, Soler AM, da Luz J. Pharmacogenetics of pediatric acute lymphoblastic leukemia in Uruguay: adverse events related to induction phase drugs. Front Pharmacol 2023; 14:1278769. [PMID: 38044950 PMCID: PMC10690766 DOI: 10.3389/fphar.2023.1278769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/30/2023] [Indexed: 12/05/2023] Open
Abstract
In Uruguay, the pediatric acute lymphoblastic leukemia (ALL) cure rate is 82.2%, similar to those reported in developed countries. However, many patients suffer adverse effects that could be attributed, in part, to genetic variability. This study aims to identify genetic variants related to drugs administered during the induction phase and analyze their contribution to adverse effects, considering individual genetic ancestry. Ten polymorphisms in five genes (ABCB1, CYP3A5, CEP72, ASNS, and GRIA1) related to prednisone, vincristine, and L-asparaginase were genotyped in 200 patients. Ancestry was determined using 45 ancestry informative markers (AIMs). The sample ancestry was 69.2% European, 20.1% Native American, and 10.7% African, but with high heterogeneity. Mucositis, Cushing syndrome, and neurotoxicity were the only adverse effects linked with genetic variants and ancestry. Mucositis was significantly associated with ASNS (rs3832526; 3R/3R vs. 2R carriers; OR: = 6.88 [1.88-25.14], p = 0.004) and CYP3A5 (non-expressors vs. expressors; OR: 4.55 [1.01-20.15], p = 0.049) genes. Regarding Cushing syndrome, patients with the TA genotype (rs1049674, ASNS) had a higher risk of developing Cushing syndrome than those with the TT genotype (OR: 2.60 [1.23-5.51], p = 0.012). Neurotoxicity was significantly associated with ABCB1 (rs9282564; TC vs. TT; OR: 4.25 [1.47-12.29], p = 0.007). Moreover, patients with <20% Native American ancestry had a lower risk of developing neurotoxicity than those with ≥20% (OR: 0.312 [0.120-0.812], p = 0.017). This study shows the importance of knowing individual genetics to improve the efficacy and safety of acute lymphoblastic leukemia.
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Affiliation(s)
- Gabriela Burgueño-Rodríguez
- Laboratorio de Genética Molecular Humana, Departamento de Ciencias Biológicas, CENUR Litoral Norte-Sede Salto, Universidad de la República, Salto, Uruguay
- Red Latinoamericana de Implementación y Validación de Guías Clínicas Farmacogenómicas (RELIVAF-CYTED), Santiago, Chile
| | - Yessika Méndez
- Servicio Hemato Oncológico Pediátrico (SHOP), Centro Hospitalario Pereira Rossell (CHPR), Montevideo, Uruguay
| | - Natalia Olano
- Servicio Hemato Oncológico Pediátrico (SHOP), Centro Hospitalario Pereira Rossell (CHPR), Montevideo, Uruguay
| | - Magdalena Schelotto
- Servicio Hemato Oncológico Pediátrico (SHOP), Centro Hospitalario Pereira Rossell (CHPR), Montevideo, Uruguay
| | - Luis Castillo
- Servicio Hemato Oncológico Pediátrico (SHOP), Centro Hospitalario Pereira Rossell (CHPR), Montevideo, Uruguay
| | - Ana María Soler
- Laboratorio de Genética Molecular Humana, Departamento de Ciencias Biológicas, CENUR Litoral Norte-Sede Salto, Universidad de la República, Salto, Uruguay
- Red Latinoamericana de Implementación y Validación de Guías Clínicas Farmacogenómicas (RELIVAF-CYTED), Santiago, Chile
| | - Julio da Luz
- Laboratorio de Genética Molecular Humana, Departamento de Ciencias Biológicas, CENUR Litoral Norte-Sede Salto, Universidad de la República, Salto, Uruguay
- Red Latinoamericana de Implementación y Validación de Guías Clínicas Farmacogenómicas (RELIVAF-CYTED), Santiago, Chile
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de Souza BF, Viana Filho JMC, de Queiroz Neto JN, Coêlho MDC, Valença AMG, Persuhn DC, de Oliveira NFP. DNA Methyltransferase Genes Are Associated with Oral Mucositis and Creatinine Levels in Oncopediatric Patients. Genes (Basel) 2023; 14:1136. [PMID: 37372315 DOI: 10.3390/genes14061136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
The aim of this study was to investigate the association of single-nucleotide polymorphisms (SNPs) and the DNA methylation profiles of the DNA methyltransferase (DNMT) gene family with oral mucositis in children and adolescents with hematologic malignancies treated with methotrexate (MTX®). The population was comprised of healthy and oncopediatric patients aged between 4 and 19 years. An evaluation of oral conditions was performed using the Oral Assessment Guide. Demographic, clinical, hematological, and biochemical data were obtained from medical records. Genomic DNA extracted from oral mucosal cells was used for the analysis of polymorphisms in DNMT1 (rs2228611), DNMT3A (rs7590760), and DNMT3B (rs6087990) using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique (n = 102) and for DNA methylation using the methylation-specific PCR (MSP) technique (n = 85). The allele and genotypic frequencies of SNPs did not reveal any differences between patients with or without oral mucositis. An increase in the methylation frequency for DNMT1 in patients recovered from mucositis was detected. The DNMT3A methylated profile associated with the CC genotype (SNP rs7590760) appeared to be connected to higher values of creatinine. In addition, the DNMT3B unmethylated profile associated with the CC genotype (SNP rs6087990) appeared to be connected with higher values of creatinine. We conclude that the DNMT1 methylation profile is associated with the post-mucositis period and that the genetic and epigenetic profiles of DNMT3A and DNMT3B are associated with creatinine levels.
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Affiliation(s)
- Beatriz Fernandes de Souza
- Graduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
| | - José Maria Chagas Viana Filho
- Graduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
| | - José Nunes de Queiroz Neto
- Department of Molecular Biology, Center for Exact and Natural Sciences, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
| | - Marina de Castro Coêlho
- Graduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
| | - Ana Maria Gondim Valença
- Graduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
| | - Darlene Camati Persuhn
- Department of Molecular Biology, Center for Exact and Natural Sciences, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
| | - Naila Francis Paulo de Oliveira
- Graduate Program in Dentistry, Health Sciences Center, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
- Department of Molecular Biology, Center for Exact and Natural Sciences, Federal University of Paraíba (UFPB), João Pessoa 58051-900, PB, Brazil
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Coêlho MC, Viana Filho JMC, Souza BFD, Valença AMG, Persuhn DC, Oliveira NFPD. Genetic polymorphisms of genes involved in oxidative stress and inflammatory management in oncopediatric patients with chemo-induced oral mucositis. J Appl Oral Sci 2022; 30:e20210490. [PMID: 35319668 PMCID: PMC8963388 DOI: 10.1590/1678-7757-2021-0490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 01/20/2022] [Indexed: 11/21/2022] Open
Abstract
Oral mucositis (OM) is a painful inflammatory oral condition that affects children who undergo chemotherapy. Oxidative stress is a known OM mediator and pro-inflammatory cytokines contribute to the amplification of the immune response.
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Affiliation(s)
- Marina Castro Coêlho
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Programa de Pós-Graduação em Odontologia, João Pessoa, Paraíba, Brasil
| | - José Maria Chagas Viana Filho
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Programa de Pós-Graduação em Odontologia, João Pessoa, Paraíba, Brasil
| | - Beatriz Fernandes de Souza
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Programa de Pós-Graduação em Odontologia, João Pessoa, Paraíba, Brasil
| | - Ana Maria Gondim Valença
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Programa de Pós-Graduação em Odontologia, João Pessoa, Paraíba, Brasil
| | - Darlene Camati Persuhn
- Universidade Federal da Paraíba - UFPB, Centro de Ciências Exatas e da Natureza, Departamento de Biologia Molecular, João Pessoa, Paraíba, Brasil
| | - Naila Francis Paulo de Oliveira
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Programa de Pós-Graduação em Odontologia, João Pessoa, Paraíba, Brasil.,Universidade Federal da Paraíba - UFPB, Centro de Ciências Exatas e da Natureza, Departamento de Biologia Molecular, João Pessoa, Paraíba, Brasil
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