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Chatzidavid S, Kontandreopoulou CN, Giannakopoulou N, Diamantopoulos PT, Stafylidis C, Kyrtsonis MC, Dimou M, Panayiotidis P, Viniou NA. The Role of Methylation in Chronic Lymphocytic Leukemia and Its Prognostic and Therapeutic Impacts in the Disease: A Systematic Review. Adv Hematol 2024; 2024:1370364. [PMID: 38435839 PMCID: PMC10907108 DOI: 10.1155/2024/1370364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/04/2024] [Accepted: 02/09/2024] [Indexed: 03/05/2024] Open
Abstract
Epigenetic regulation has been thoroughly investigated in recent years and has emerged as an important aspect of chronic lymphocytic leukemia (CLL) biology. Characteristic aberrant features such as methylation patterns and global DNA hypomethylation were the early findings of the research during the last decades. The investigation in this field led to the identification of a large number of genes where methylation features correlated with important clinical and laboratory parameters. Gene-specific analyses investigated methylation in the gene body enhancer regions as well as promoter regions. The findings included genes and proteins involved in key pathways that play central roles in the pathophysiology of the disease. Τhe application of these findings beyond the theoretical understanding can not only lead to the creation of prognostic and predictive models and scores but also to the design of novel therapeutic agents. The following is a review focusing on the present knowledge about single gene/gene promoter methylation or mRNA expression in CLL cases as well as records of older data that have been published in past papers.
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Affiliation(s)
- Sevastianos Chatzidavid
- Hematology Unit, First Department of Internal Medicine, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
- Thalassemia and Sickle Cell Disease Center, Laikon General Hospital, Athens, Greece
| | - Christina-Nefeli Kontandreopoulou
- Hematology Unit, First Department of Internal Medicine, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Panagiotis T. Diamantopoulos
- Hematology Unit, First Department of Internal Medicine, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Christos Stafylidis
- Hematology Unit, First Department of Internal Medicine, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Marie-Christine Kyrtsonis
- Hematology Section of the First Department of Propaedeutic Internal Medicine, Laikon University Hospital, Athens, Greece
| | - Maria Dimou
- Hematology Section of the First Department of Propaedeutic Internal Medicine, Laikon University Hospital, Athens, Greece
| | - Panayiotis Panayiotidis
- Department of Hematology and Bone Marrow Transplantation Unit, National and Kapodistrian University of Athens, School of Medicine, Laikon General Hospital, Athens, Greece
| | - Nora-Athina Viniou
- Hematology Unit, First Department of Internal Medicine, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
- Hematology Department, Iatriko Kentro Palaiou Falirou, Athens, Greece
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Palomo L, Malinverni R, Cabezón M, Xicoy B, Arnan M, Coll R, Pomares H, García O, Fuster-Tormo F, Grau J, Feliu E, Solé F, Buschbeck M, Zamora L. DNA methylation profile in chronic myelomonocytic leukemia associates with distinct clinical, biological and genetic features. Epigenetics 2018; 13:8-18. [PMID: 29160764 DOI: 10.1080/15592294.2017.1405199] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Chromosomal abnormalities are detected in 20-30% of patients with chronic myelomonocytic leukemia (CMML) and correlate with prognosis. On the mutation level, disruptive alterations are particularly frequent in chromatin regulatory genes. However, little is known about the consequential alterations in the epigenetic marking of the genome. Here, we report the analysis of genomic DNA methylation patterns of 64 CMML patients and 10 healthy controls, using a DNA methylation microarray focused on promoter regions. Differential methylation analysis between patients and controls allowed us to identify abnormalities in DNA methylation, including hypermethylation of specific genes and large genome regions with aberrant DNA methylation. Unsupervised hierarchical cluster analysis identified two main clusters that associated with the clinical, biological, and genetic features of patients. Group 1 was enriched in patients with adverse clinical and biological characteristics and poorer overall and progression-free survival. In addition, significant differences in DNA methylation were observed between patients with low risk and intermediate/high risk karyotypes and between TET2 mutant and wild type patients. Taken together, our results demonstrate that altered DNA methylation patterns reflect the CMML disease state and allow to identify patient groups with distinct clinical features.
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Affiliation(s)
- Laura Palomo
- a MDS Group. Josep Carreras Leukaemia Research Institute (IJC), ICO-Hospital Germans Trias i Pujol , Universitat Autònoma de Barcelona , Carretera de Can Ruti, Camí de les Escoles, s/n. 08916, Badalona ( Barcelona ), Spain.,b Departament de Bioquímica i Biologia Molecular , Universitat Autònoma de Barcelona , Campus de la UAB, Plaça Cívica, s/n. 08913, Bellaterra ( Barcelona ), Spain
| | - Roberto Malinverni
- c Chromatin, Metabolism and Cell Fate Group. Josep Carreras Leukaemia Research Institute (IJC), Campus ICO-Hospital Germans Trias i Pujol , Program for Predictive and Personalized Medicine of Cancer at the Institute Germans Trias i Pujol (PMPPC-IGTP) , Carretera de Can Ruti, Camí de les Escoles, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Marta Cabezón
- d Hematology Service, ICO-Hospital Germans Trias i Pujol, Josep Carreras Leukaemia Research Institute (IJC) , Universitat Autònoma de Barcelona , Carretera del Canyet, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Blanca Xicoy
- d Hematology Service, ICO-Hospital Germans Trias i Pujol, Josep Carreras Leukaemia Research Institute (IJC) , Universitat Autònoma de Barcelona , Carretera del Canyet, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Montserrat Arnan
- e Hematology Service , ICO-Hospital Duran i Reynals , Avinguda de la Gran Via de l'Hospitalet, 199-203, 08908 Hospitalet de Llobregat ( Barcelona ), Spain
| | - Rosa Coll
- f Hematology Service , ICO-Girona Hospital Josep Trueta, Girona, Spain , Avenida França, s/n. 17007 Girona , Spain
| | - Helena Pomares
- e Hematology Service , ICO-Hospital Duran i Reynals , Avinguda de la Gran Via de l'Hospitalet, 199-203, 08908 Hospitalet de Llobregat ( Barcelona ), Spain
| | - Olga García
- d Hematology Service, ICO-Hospital Germans Trias i Pujol, Josep Carreras Leukaemia Research Institute (IJC) , Universitat Autònoma de Barcelona , Carretera del Canyet, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Francisco Fuster-Tormo
- a MDS Group. Josep Carreras Leukaemia Research Institute (IJC), ICO-Hospital Germans Trias i Pujol , Universitat Autònoma de Barcelona , Carretera de Can Ruti, Camí de les Escoles, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Javier Grau
- d Hematology Service, ICO-Hospital Germans Trias i Pujol, Josep Carreras Leukaemia Research Institute (IJC) , Universitat Autònoma de Barcelona , Carretera del Canyet, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Evarist Feliu
- d Hematology Service, ICO-Hospital Germans Trias i Pujol, Josep Carreras Leukaemia Research Institute (IJC) , Universitat Autònoma de Barcelona , Carretera del Canyet, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Francesc Solé
- a MDS Group. Josep Carreras Leukaemia Research Institute (IJC), ICO-Hospital Germans Trias i Pujol , Universitat Autònoma de Barcelona , Carretera de Can Ruti, Camí de les Escoles, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Marcus Buschbeck
- c Chromatin, Metabolism and Cell Fate Group. Josep Carreras Leukaemia Research Institute (IJC), Campus ICO-Hospital Germans Trias i Pujol , Program for Predictive and Personalized Medicine of Cancer at the Institute Germans Trias i Pujol (PMPPC-IGTP) , Carretera de Can Ruti, Camí de les Escoles, s/n. 08916, Badalona ( Barcelona ), Spain
| | - Lurdes Zamora
- d Hematology Service, ICO-Hospital Germans Trias i Pujol, Josep Carreras Leukaemia Research Institute (IJC) , Universitat Autònoma de Barcelona , Carretera del Canyet, s/n. 08916, Badalona ( Barcelona ), Spain
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Ding K, Chen X, Wang Y, Liu H, Song W, Li L, Wang G, Song J, Shao Z, Fu R. Plasma DNA methylation of p16 and shp1 in patients with B cell non-Hodgkin lymphoma. Int J Clin Oncol 2017; 22:585-592. [PMID: 28210822 DOI: 10.1007/s10147-017-1100-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 02/07/2017] [Indexed: 01/05/2023]
Abstract
BACKGROUND Early diagnosis and treatment of non-Hodgkin lymphoma (NHL) are progressively important. It has been shown that aberrant promoter methylation contributes to the development and progression of lymphoma. We tried to explore the effect of methylation of p16 and shp1 genes in plasma in the diagnosis of B-NHL patients. METHODS The methylation of p16 and shp1 genes in plasma were detected by methylation specific polymerase chain reaction in 103 patients with B-NHL, and compared with peripheral blood leukocytes (PBLs) and formaldehyde-fixed paraffin-embedded (FFPE) tumor tissues. RESULTS The results showed that methylation frequency of p16 in plasma, PBLs, and FFPE tumor tissues of newly diagnosed B-NHL patients were 37% (27/73), 16% (12/73) and 39% (16/41), whereas those of shp1 were 47% (34/73), 25% (18/73) and 63% (26/41). High methylation consistency of p16/shp1 between plasma and FFPE tumor tissues were revealed (the values of kappa: 0.84, 0.80). Moreover, there were a higher frequency of methylated p16 in all three samples in patients with B symptoms and lower platelet count (<100 × 109/L), as well as in patients with stage III/IV in plasma and FFPE tumor tissues. Meanwhile, higher frequency of methylated shp1 was observed in patients with higher LDH level in all three samples. CONCLUSION Methylation of p16/shp1 in plasma can represent their methylation status in tumor tissues, and may be promising biomarkers in early diagnosis and prognosis evaluation in B-NHL.
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Affiliation(s)
- Kai Ding
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Xiaoshuang Chen
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Yihao Wang
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Hui Liu
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Wenjing Song
- Department of Pathology, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
| | - Lijuan Li
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Guojin Wang
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Jia Song
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Zonghong Shao
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China
| | - Rong Fu
- Department of Hematology, Tianjin Medical University General Hospital, 154 Anshan Street, Heping District, Tianjin, 300052, People's Republic of China.
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Wang D, Yang PN, Chen J, Zhou XY, Liu QJ, Li HJ, Li CL. Promoter hypermethylation may be an important mechanism of the transcriptional inactivation of ARRDC3, GATA5, and ELP3 in invasive ductal breast carcinoma. Mol Cell Biochem 2014; 396:67-77. [PMID: 25148870 DOI: 10.1007/s11010-014-2143-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Accepted: 07/11/2014] [Indexed: 12/24/2022]
Abstract
Hypermethylation of promoter CpG islands represents an alternative mechanism to inactivate tumor suppressor genes. This study was to detect promoter methylation status and mRNA expression levels of ARRDC3, ELP3, GATA5, and PAX6, and to explore the association between methylation and expression in invasive ductal carcinomas (IDCs) and matched normal tissues (MNTs) from breast cancer patients. Aberrant gene methylation was observed as follows: ARRDC3 in 38.5 %, ELP3 in 73.1 %, GATA5 in 48.1 %, and PAX6 in 50.0 % of IDCs. mRNA expression of ARRDC3, ELP3, and GATA5 in IDCs showed a lower level than that in MNTs (P < 0.001, P = 0.001 and P < 0.001, respectively). For ARRDC3, both methylated and unmethylated IDCs showed significantly lower expression values compared to MNTs (P = 0.001 and P = 0.007, respectively). For ELP3 and GATA5, methylated tumors only showed significantly lower expression values compared to MNTs (P = 0.001 and P < 0.001, respectively). For ARRDC3 and GATA5, methylation was associated with their less fold change in IDCs (P = 0.049 and P = 0.020, respectively). Methylation of ARRDC3 was significantly associated with grades and lymph node status of IDCs (P = 0.036 and P = 0.002, respectively). Methylation frequency of ELP3 was higher in lymph node positive versus lymph node negative tumors (P = 0.020); whereas methylation frequency of PAX6 was lower in tumors with the ER negative samples (P = 0.025). Our data suggested that promoter hypermethylation may be an important mechanism of the transcriptional inactivation of ARRDC3, GATA5, and ELP3 in IDCs.
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Affiliation(s)
- Da Wang
- Department of Biochemistry and Molecular Biology, School of Preclinical and Forensic Medicine, Sichuan University, 3-17 Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
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Abstract
The myelodysplastic syndrome (MDS) is a clonal hematologic disorder that frequently evolves to acute myeloid leukemia (AML). Its pathogenesis remains unclear, but mutations in epigenetic modifiers are common and the disease often responds to DNA methylation inhibitors. We analyzed DNA methylation in the bone marrow and spleen in two mouse models of MDS/AML, the NUP98-HOXD13 (NHD13) mouse and the RUNX1 mutant mouse model. Methylation array analysis showed an average of 512/3445 (14.9%) genes hypermethylated in NHD13 MDS, and 331 (9.6%) genes hypermethylated in RUNX1 MDS. Thirty-two percent of genes in common between the two models (2/3 NHD13 mice and 2/3 RUNX1 mice) were also hypermethylated in at least two of 19 human MDS samples. Detailed analysis of 41 genes in mice showed progressive drift in DNA methylation from young to old normal bone marrow and spleen; to MDS, where we detected accelerated age-related methylation; and finally to AML, which markedly extends DNA methylation abnormalities. Most of these genes showed similar patterns in human MDS and AML. Repeat element hypomethylation was rare in MDS but marked the transition to AML in some cases. Our data show consistency in patterns of aberrant DNA methylation in human and mouse MDS and suggest that epigenetically, MDS displays an accelerated aging phenotype.
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Gene expression and epigenetic deregulation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 792:133-50. [PMID: 24014295 DOI: 10.1007/978-1-4614-8051-8_6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The last decade resulted in many scientific discoveries illuminating epigenetic mechanisms of gene regulation and genome organization. DNA methylation emerged as playing a pivotal role in development and cancer. Genome-wide changes in DNA methylation, including hypermethylation of tumor suppressor genes and genome-wide loss of methylation, are two dominant mechanisms that deregulate gene expression and contribute to chromosomal instability. In this chapter we give an overview of how methylation patterns are established during B-cell development and what machinery is necessary to maintain those patterns. We summarize the current state of knowledge of aberrant changes taking place during and contributing to lymphoid transformation in general and to the development of CLL in particular. We discuss key deregulated biomarkers extensively studied using single-gene approaches and give an overview of a wealth of data that became available from genome-wide approaches, focusing on pathways that are critical for lymphomagenesis. We also highlight epigenetic differences between known prognostic groups of CLL.
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