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Conserva MR, Redavid I, Anelli L, Zagaria A, Tarantini F, Cumbo C, Tota G, Parciante E, Coccaro N, Minervini CF, Minervini A, Specchia G, Musto P, Albano F. IKAROS in Acute Leukemia: A Positive Influencer or a Mean Hater? Int J Mol Sci 2023; 24:ijms24043282. [PMID: 36834692 PMCID: PMC9961161 DOI: 10.3390/ijms24043282] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/31/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023] Open
Abstract
One key process that controls leukemogenesis is the regulation of oncogenic gene expression by transcription factors acting as tumor suppressors. Understanding this intricate mechanism is crucial to elucidating leukemia pathophysiology and discovering new targeted treatments. In this review, we make a brief overview of the physiological role of IKAROS and the molecular pathway that contributes to acute leukemia pathogenesis through IKZF1 gene lesions. IKAROS is a zinc finger transcription factor of the Krüppel family that acts as the main character during hematopoiesis and leukemogenesis. It can activate or repress tumor suppressors or oncogenes, regulating the survival and proliferation of leukemic cells. More than 70% of Ph+ and Ph-like cases of acute lymphoblastic leukemia exhibit IKZF1 gene variants, which are linked to worse treatment outcomes in both childhood and adult B-cell precursor acute lymphoblastic leukemia. In the last few years, much evidence supporting IKAROS involvement in myeloid differentiation has been reported, suggesting that loss of IKZF1 might also be a determinant of oncogenesis in acute myeloid leukemia. Considering the complicated "social" network that IKAROS manages in hematopoietic cells, we aim to focus on its involvement and the numerous alterations of molecular pathways it can support in acute leukemias.
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Affiliation(s)
- Maria Rosa Conserva
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Immacolata Redavid
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Luisa Anelli
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Antonella Zagaria
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Francesco Tarantini
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Cosimo Cumbo
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Giuseppina Tota
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Elisa Parciante
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Nicoletta Coccaro
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Crescenzio Francesco Minervini
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Angela Minervini
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Giorgina Specchia
- School of Medicine, University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Pellegrino Musto
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
| | - Francesco Albano
- Hematology Section, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari ‘Aldo Moro’, 70124 Bari, Italy
- Correspondence:
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2
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Hao Q, Cao M, Zhang C, Yin D, Wang Y, Ye Y, Zhao S, Yang Y, Chen KL, Ying B, Wang L, Zhang Y, Xu C, Zhu Y, Wu Y, Gao J, Zhao JN, Zhang Y, Lu X. Age-related differences of genetic susceptibility to patients with acute lymphoblastic leukemia. Aging (Albany NY) 2021; 13:12456-12465. [PMID: 33891562 PMCID: PMC8148462 DOI: 10.18632/aging.202903] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/05/2021] [Indexed: 02/05/2023]
Abstract
Inherited predispositions to acute lymphoblastic leukemia have been well investigated in pediatric patients, but studies on adults, particularly Chinese patients, are limited. In this study, we conducted a genome-wide association study in 466 all-age Chinese patients with Acute lymphoblastic leukemia (ALL) and 1,466 non-ALL controls to estimate the impact of age on ALL susceptibility in the Chinese population. Among the 17 reported loci, 8 have been validated in pediatric and 1 in adult patients. The strongest association signal was identified at ARID5B locus and gradually decreased with age, while the signal at GATA3 exhibited the opposite trend and significantly impact on adult patients. With genome-wide approaches, germline variants at 2q14.3 rank as the top inherited predisposition to adult patients (e.g., rs73956024, P = 4.3 × 10-5) and separate the genetic risk of pediatric vs. adult patients (P = 3.6 × 10-6), whereas variants at 15q25.3 (e.g., rs11638062) have a similar impact on patients in different age groups (overall P = 2.9 × 10-7). Our analysis highlights the impact of age on genetic susceptibility to ALL in Chinese patients.
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Affiliation(s)
- Qing Hao
- Department of Thoracic Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.,College of Pharmaceutical Sciences, Southwest Medical University, Luzhou, China.,Sichuan Center for Translational Medicine of Traditional Chinese Medicine, Institute of Translational Pharmacology, Sichuan Academy of Chinese Medicine Sciences, Chengdu, China
| | - Minyuan Cao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Chunlan Zhang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Dandan Yin
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yuelan Wang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yuanxin Ye
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Shan Zhao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yunfan Yang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Ke-Ling Chen
- Digestive Surgery Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Binwu Ying
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Lanlan Wang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yiguan Zhang
- Sichuan Center for Translational Medicine of Traditional Chinese Medicine, Institute of Translational Pharmacology, Sichuan Academy of Chinese Medicine Sciences, Chengdu, China
| | - Caigang Xu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Yiping Zhu
- Department of Hematology/Oncology, West China Second Hospital, Sichuan University, Chengdu, China
| | - Yu Wu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Ju Gao
- Department of Hematology/Oncology, West China Second Hospital, Sichuan University, Chengdu, China
| | - Jun-Ning Zhao
- Sichuan Center for Translational Medicine of Traditional Chinese Medicine, Institute of Translational Pharmacology, Sichuan Academy of Chinese Medicine Sciences, Chengdu, China
| | - Yan Zhang
- Department of Thoracic Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoxi Lu
- Department of Hematology/Oncology, West China Second Hospital, Sichuan University, Chengdu, China
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3
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IKZF1 rs4132601 and rs11978267 Gene Polymorphisms and Acute Lymphoblastic Leukemia: Relation to Disease Susceptibility and Outcome. J Pediatr Hematol Oncol 2020; 42:420-428. [PMID: 32769565 DOI: 10.1097/mph.0000000000001874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
(IKZF1) rs4132601 and rs11978267 are common gene polymorphisms and have been associated with the risk of acute lymphoblastic leukemia. However, these associations are less evident in races and/or ethnicities other than European and Hispanic. Therefore, we investigated the association between these single-nucleotide polymorphisms and acute lymphoblastic leukemia susceptibility and disease outcome. Real-time polymerase chain reaction typing was performed for IKZF1 rs4132601 and rs11978267 for 128 pediatric acute lymphoblastic leukemia (pALL), 45 adult acute lymphoblastic leukemia (aALL), and 436 healthy controls. The G allele-containing and G-containing genotypes (GG+GT) of rs4132601 were significantly higher in pALL (P=0.003, odds ratio [OR]=1.65, 0.009, OR=1.42, respectively) and aALL (P=0.016, OR=1.81 and 0.011, OR=1.61, respectively). However, the GG haplotype was associated with the risk of pALL (P=0.044), the GA haplotype was associated with the risk of aALL (P=0.007). In aALL, the GG genotype of rs4132601 was associated with absence of remission and poor overall survival (P=0.003 and 0.041, respectively). The IKZF1 rs4132601 single-nucleotide polymorphism can be considered a susceptibility risk factor for the development of pALL and aALL in the studied cohort of Egyptian patients. The GG genotype of IKZF1 rs4132601 may be a risk factor for poor outcome in aALL patients.
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Liao F, Ye Y, Yin D, Qin Y, Zhao J, Zhang W, Zhang Y, Deng Z, Wang Y, Ying B, Wang L, Gao J, Shu Y, Zhu Y, Lu X. Validations of Top and Novel Susceptibility Variants in All-Age Chinese Patients With Acute Lymphoblastic Leukemia. Front Genet 2020; 11:1004. [PMID: 33193587 PMCID: PMC7477633 DOI: 10.3389/fgene.2020.01004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 08/06/2020] [Indexed: 02/05/2023] Open
Abstract
Through genome-wide association studies (GWAS), multiple inherited predispositions to acute lymphoblastic leukemia (ALL) have been identified in children. Most recently, a novel susceptibility locus at ERG was localized, exhibiting Hispanic-specific manner. In this study, we conducted a replication study to in all-age Chinese patients (N = 451), not only validating the novel ERG locus, but also systematically determining the impact of age on association status of the top GWAS signals. We found that single nucleotide polymorphisms at ARID5B, IKZF1, CEBPE, PIP4K2A were only significantly associated with ALL susceptibility in childhood patients with no BCR-ABL fusion, while GATA3 signal exhibited its significance in adults no matter carrying BCR-ABL fusion or not. Moreover, the novel ERG SNP can be validated in pediatric patients without both BCR-ABL and ETV6-RUNX1 fusion. Our finding suggests the modifying effects of age on genetic predisposition to ALL, and highlights the impact of ERG SNP in Chinese patients.
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Affiliation(s)
- Fei Liao
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pediatric Hematology/Oncology, West China Second Hospital, Sichuan University, Ministry of Education, Chengdu, China.,State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yuanxin Ye
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Dandan Yin
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yun Qin
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, China
| | - Jiangyan Zhao
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Wanhua Zhang
- Department of Hematology and Hematology Research Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Yan Zhang
- State Key Laboratory of Biotherapy, Department of Thoracic Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Zhujun Deng
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yuelan Wang
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Binwu Ying
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Lanlan Wang
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ju Gao
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pediatric Hematology/Oncology, West China Second Hospital, Sichuan University, Ministry of Education, Chengdu, China
| | - Yang Shu
- State Key Laboratory of Biotherapy, Department of Laboratory Medicine, Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yiping Zhu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pediatric Hematology/Oncology, West China Second Hospital, Sichuan University, Ministry of Education, Chengdu, China
| | - Xiaoxi Lu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pediatric Hematology/Oncology, West China Second Hospital, Sichuan University, Ministry of Education, Chengdu, China
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Wang P, Deng Y, Yan X, Zhu J, Yin Y, Shu Y, Bai D, Zhang S, Xu H, Lu X. The Role of ARID5B in Acute Lymphoblastic Leukemia and Beyond. Front Genet 2020; 11:598. [PMID: 32595701 PMCID: PMC7303299 DOI: 10.3389/fgene.2020.00598] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 05/18/2020] [Indexed: 02/05/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common malignancy in children with distinct characteristics among different subtypes. Although the etiology of ALL has not been fully unveiled, initiation of ALL has been demonstrated to partly depend on genetic factors. As indicated by several genome wide association studies (GWASs) and candidate gene analyses, ARID5B, a member of AT-rich interactive domain (ARID) protein family, is associated with the occurrence and prognosis of ALL. However, the mechanisms by which ARID5B genotype impact on the susceptibility and treatment outcome remain vague. In this review, we outline developments in the understanding of ARID5B in the susceptibility of ALL and its therapeutic perspectives, and summarize the underlying mechanisms based on the limited functional studies, hoping to illustrate the possible mechanisms of ARID5B impact and highlight the potential treatment regimens.
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Affiliation(s)
- Peiqi Wang
- Department of Pediatric Hematology/Oncology, West China Second University Hospital, Sichuan University, Chengdu, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yun Deng
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, China
| | - Xinyu Yan
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jianhui Zhu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuanyuan Yin
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yang Shu
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, China
| | - Ding Bai
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shouyue Zhang
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, China
| | - Heng Xu
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, China.,Department of Laboratory Medicine/Research Center of Clinical Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China.,Precision Medicine Center, State Key Laboratory of Biotherapy and Precision Medicine, Key Laboratory of Sichuan Province, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, China
| | - Xiaoxi Lu
- Department of Pediatric Hematology/Oncology, West China Second University Hospital, Sichuan University, Chengdu, China
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6
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Transcriptional Regulation of Genes by Ikaros Tumor Suppressor in Acute Lymphoblastic Leukemia. Int J Mol Sci 2020; 21:ijms21041377. [PMID: 32085659 PMCID: PMC7073093 DOI: 10.3390/ijms21041377] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 12/27/2022] Open
Abstract
Regulation of oncogenic gene expression by transcription factors that function as tumor suppressors is one of the major mechanisms that regulate leukemogenesis. Understanding this complex process is essential for explaining the pathogenesis of leukemia as well as developing targeted therapies. Here, we provide an overview of the role of Ikaros tumor suppressor and its role in regulation of gene transcription in acute leukemia. Ikaros (IKZF1) is a DNA-binding protein that functions as a master regulator of hematopoiesis and the immune system, as well as a tumor suppressor in acute lymphoblastic leukemia (ALL). Genetic alteration or functional inactivation of Ikaros results in the development of high-risk leukemia. Ikaros binds to the specific consensus binding motif at upstream regulatory elements of its target genes, recruits chromatin-remodeling complexes and activates or represses transcription via chromatin remodeling. Over the last twenty years, a large number of Ikaros target genes have been identified, and the role of Ikaros in the regulation of their expression provided insight into the mechanisms of Ikaros tumor suppressor function in leukemia. Here we summarize the role of Ikaros in the regulation of the expression of the genes whose function is critical for cellular proliferation, development, and progression of acute lymphoblastic leukemia.
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Mosaad YM, Khashaba M, Darwish A, Darwish M, Elwassefy M, Abdelmabood S, Fawzy IM, Youssef LF, Elbasiouny RA. ARID5B rs10821936 and rs10994982 gene polymorphisms and acute lymphoblastic leukemia: relation to disease susceptibility and outcome. Pediatr Hematol Oncol 2019; 36:365-375. [PMID: 31424309 DOI: 10.1080/08880018.2019.1649333] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
ARID5B rs10821936 and rs10994982 single nucleotide polymorphism (SNP) have been associated with the risk of acute lymphoblastic leukemia (ALL) in different ethnic populations. We investigated the association between the ARID5B rs10821936 C > T, rs10994982 A > G, and susceptibility to ALL in a cohort of Egyptian individuals and investigated their role in relation to disease outcome. Real-time PCR typing was done for ARID5B rs10821936 and rs10994982 SNPs for 128 pediatric ALL (pALL), 45 adult ALL (aALL), and 436 healthy controls. Significant risk associations were found between the C allele (p < 0.001, OR = 2.02), CC genotype (p < 0.001, OR = 2.72), CT genotype (p = 0.011, OR = 1.45) of ARID5B rs10821936 and pediatric ALL especially T-ALL and adult ALL (p < 0.05). The CA haplotype (C allele of rs10821936 + A allele of rs10994982) was associated with the risk of ALL either pediatric ALL or adult ALL (p < 0.001). In the studied Egyptian population, it can be concluded that the C allele, CC, and CT genotypes of ARID5B rs10821936 and the CA haplotype may be a susceptibility risk factor for pediatric and adult ALL. However, the SNPs of ARID5B rs10821936 and rs10994982 were not found to be strongly associated with ALL outcomes.
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Affiliation(s)
- Youssef M Mosaad
- Clinical Immunology Unit, Clinical Pathology Department, Faculty of Medicine, Mansoura University , Mansoura , Egypt
| | - Mohamed Khashaba
- Neonatology Unit, Pediatric Department, Mansoura University Children's Hospital , Mansoura , Egypt
| | - Ahmad Darwish
- Hematology/Oncology Unit, Pediatric Department, Mansoura University Children's Hospital , Mansoura , Egypt
| | - Mohamed Darwish
- Clinical Immunology Unit, Clinical Pathology Department, Faculty of Medicine, Mansoura University , Mansoura , Egypt
| | - Mona Elwassefy
- Clinical Immunology Unit, Clinical Pathology Department, Faculty of Medicine, Mansoura University , Mansoura , Egypt
| | - Souzy Abdelmabood
- Hematology/Oncology Unit, Pediatric Department, Mansoura University Children's Hospital , Mansoura , Egypt
| | - Iman M Fawzy
- Laboratory Medicine Department, Mansoura Fever Hospital, Ministry of Health , Mansoura , Egypt
| | - Laila F Youssef
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University , Mansoura , Egypt
| | - Rehab A Elbasiouny
- Pediatric Department, Mansoura University Children's Hospital , Mansoura , Egypt
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8
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Tayel SI, El-Hefnway SM, Abo El-Fotoh WMM, El-Zayat RS. The Genetic Variants of IKZF1 Gene Linked with the Growing Risk of Childhood Acute Lymphoblastic Leukaemia. Curr Mol Med 2019; 19:32-39. [PMID: 30806315 DOI: 10.2174/1566524019666190219123900] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 01/24/2019] [Accepted: 02/11/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND The zinc finger protein IKAROS (IKZF1) is an essential transcription factor in haematopoiesis that is involved primarily in lymphoid tissue differentiation. Many studies have indicated that IKZF1 alterations may be associated with acute lymphoblastic leukaemia, but the results remain controversial. OBJECTIVE We aimed to investigate the association of the rs4132601 T/G and rs10272724 T/C IKZF1 gene polymorphisms with the risk of childhood acute lymphoblastic leukaemia and to determine whether these genetic variants affect the clinical parameters and the iron profiles of these children cohort. METHODS This case control study was conducted on 170 Egyptian children comprising of two groups: group (I) included 90 children diagnosed with acute lymphoblastic leukaemia and group (II) comprised of 80 ages and sex-matched healthy control children. The studied polymorphisms were genotyped using PCR restriction fragment length polymorphism (PCR-RFLP). RESULTS A higher frequency of the mutant GG genotype and G allele of rs4132601 was found in the patient group than in the control group. The results also showed a significant difference among the rs10272724 genotypes, with a higher frequency of the mutant CC genotype and C allele in the patients than in controls. The mutant GG genotype of rs4132601 and the mutant CC genotype of rs10272724 were associated with a higher serum ferritin level and transferrin saturation and an older age at diagnosis of acute lymphoblastic leukaemia than the other genotypes. CONCLUSION IKZF1 rs4132601 and rs10272724 could be considered significant risk contributors to childhood acute lymphoblastic leukaemia and may impact the iron profiles in these children.
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Affiliation(s)
- Safaa I Tayel
- Medical Biochemistry and Molecular Biology, Faculty of Medicine, Menoufia University, Menoufia Governorate, Egypt
| | - Sally M El-Hefnway
- Medical Biochemistry and Molecular Biology, Faculty of Medicine, Menoufia University, Menoufia Governorate, Egypt
| | | | - Rania S El-Zayat
- Pediatric Medicine Departments, Faculty of Medicine, Menoufia University, Menoufia Governorate, Egypt
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Abstract
Treatment outcomes for acute lymphoblastic leukemia (ALL), especially pediatric ALL, have greatly improved due to the risk-adapted therapy. Combination of drug development, clinical practice, as well as basic genetic researches has brought the survival rate of ALL from less than 10% to more than 90% today, not only increasing the treatment efficacy but also limiting adverse drug reactions (ADRs). In this review, we summarized the landscape identification of ALL genetic alterations, which provided the opportunity to increase the survival rate and especially minimize the relapse risk of ALL, and highlighted the importance of the development of new technologies of genomic investigation for translational medicine.
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10
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Ge Z, Han Q, Gu Y, Ge Q, Ma J, Sloane J, Gao G, Payne KJ, Szekely L, Song C, Dovat S. Aberrant ARID5B expression and its association with Ikaros dysfunction in acute lymphoblastic leukemia. Oncogenesis 2018; 7:84. [PMID: 30420689 PMCID: PMC6232140 DOI: 10.1038/s41389-018-0095-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 08/19/2018] [Accepted: 10/18/2018] [Indexed: 01/25/2023] Open
Abstract
Mutations and single nucleotide polymorphisms of AT-rich interactive domain-containing protein 5B (ARID5B) are involved in the oncogenesis of acute lymphoblastic leukemia (ALL) and treatment outcomes. However, ARID5B expression and clinical significance in ALL remain unclear. We found ARID5B is significantly down-regulated in ALL compared to healthy bone marrow controls. ARID5B also interacts with PHD finger protein 2 (PHF2). Low expression of ARID5B (ARID5Blow) or ARID5B and PHF2 (ARID5BlowPHF2low) is correlated with the markers of cell proliferation and poor prognosis in ALL patients. Ikaros directly regulates ARID5B expression in ALL. Restoring Ikaros function by Casein Kinase II inhibition also promotes ARID5B expression through recruitment of trimethylation of lysine 4 on histone H3 (H3K4me3) at its promoter region. In summary, our data show that aberrant expression of ARID5B and PHF2 is related to leukemic cell proliferation and several poor prognostic markers. Our data indicate ARID5Blow expression, particularly ARID5BlowPHF2low expression, is linked to Ikaros dysfunction and involved in the oncogenic effect of high-risk ALL, which may represent a high-risk subgroup of ALL.
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Affiliation(s)
- Zheng Ge
- Department of Hematology, Zhongda Hospital Southeast University, Institute of Hematology Southeast University, 210009, Nanjing, China. .,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China.
| | - Qi Han
- Department of Hematology, Zhongda Hospital Southeast University, Institute of Hematology Southeast University, 210009, Nanjing, China.,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China
| | - Yan Gu
- Department of Hematology, Zhongda Hospital Southeast University, Institute of Hematology Southeast University, 210009, Nanjing, China.,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China
| | - Qinyu Ge
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, China
| | - Jinlong Ma
- Department of Hematology, Zhongda Hospital Southeast University, Institute of Hematology Southeast University, 210009, Nanjing, China.,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China
| | - Justin Sloane
- Abington Hospital, Jefferson Health, Abington, PA, 19001, USA.,Department of Pediatrics, Pennsylvania State University Medical College, Hershey, PA17033, USA
| | - Guofeng Gao
- Department of Pathology and Laboratory Medicine, University of California-Davis Medical Center, Sacramento, CA, 95817, USA
| | - Kimberly J Payne
- International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China.,Department of Pathology and Human Anatomy, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Laszlo Szekely
- International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China.,Department of Medicine, Laboratory of Clinical Pathology and cytology, Karolinska University Hospital, Solna, L2:04, SE-171 76, Stockholm, Sweden
| | - Chunhua Song
- International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China. .,Department of Pediatrics, Pennsylvania State University Medical College, Hershey, PA17033, USA.
| | - Sinisa Dovat
- International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital Southeast University, 210009, Nanjing, China. .,Department of Pediatrics, Pennsylvania State University Medical College, Hershey, PA17033, USA.
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11
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Association of the independent polymorphisms in CDKN2A with susceptibility of acute lymphoblastic leukemia. Biosci Rep 2018; 38:BSR20180331. [PMID: 29654170 PMCID: PMC6019384 DOI: 10.1042/bsr20180331] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/04/2018] [Accepted: 04/09/2018] [Indexed: 02/05/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common cancer in children, and alterations in CDKN2A were considered to play an important role on leukemogenesis. Two single nucleotide polymorphisms (SNPs) at CDKN2A locus were identified to impact on ALL susceptibility via genome wide association studies, and followed by multiple subsequent replication studies at the specific hits. Here, we conducted a systematic review and meta-analysis to re-evaluate the association of both SNPs (rs3731217 and rs3731249) with ALL susceptibility by gathering the data from 24 independent studies, totally containing 7922 cases/21503 controls for rs3731217 and 6295 cases/24191 controls for rs3731249. Both SNPs were significantly associated with ALL risk (odds ratio [OR] = 0.72 and 2.26 respectively), however, exhibit race-specific pattern. In summary, our meta-analysis indicated that two SNPs at CDKN2A locus are associated with ALL susceptibility independently mainly in Caucasians. Future large-scale studies are required to validate the associations in other ethnicities.
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12
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Rots D, Kreile M, Nikulshin S, Kovalova Z, Gailite L. Influence of IL15 gene variations on the clinical features, treatment response and risk of developing childhood acute lymphoblastic leukemia in Latvian population. Pediatr Hematol Oncol 2018. [PMID: 29528261 DOI: 10.1080/08880018.2018.1440334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is the most common childhood malignancy. Modern treatment protocols allow achievement of long-term event-free survival rates in up to 85% of cases, although the treatment response varies among different patient groups. It is hypothesized that treatment response is influenced by the IL15 gene variations, although research results are conflicting. To analyze IL15 gene variations influence treatment response, clinical course and the risk of developing ALL we performed a case-control and family-based study. The study included 81 patients with childhood ALL. DNA samples of both or one biological parent were available for 62 of ALL patients and 130 age and gender adjusted healthy samples were used as a control group. Analyzed IL15 gene variations: rs10519612, rs10519613 and rs17007695 were genotyped using PCR-RFLP assay. Our results shows that IL15 gene variations haplotypes are associated with the risk of developing childhood ALL (p < 0.05), although there is no such association for the variations separately. The variations rs10519612 and rs1059613 in a recessive pattern of inheritance were associated with hyperdiploidy (p = 0.048). Analyzed genetic variations had no impact on other clinical features and treatment response (assessed by the minimal residual disease) in our study.
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Affiliation(s)
- Dmitrijs Rots
- a Riga Stradiņš University, Scientific Laboratory of Molecular Genetics , Riga , Latvia
| | - Madara Kreile
- a Riga Stradiņš University, Scientific Laboratory of Molecular Genetics , Riga , Latvia.,b Children's Clinical University Hospital , Riga , Latvia
| | | | - Zhanna Kovalova
- a Riga Stradiņš University, Scientific Laboratory of Molecular Genetics , Riga , Latvia.,b Children's Clinical University Hospital , Riga , Latvia
| | - Linda Gailite
- a Riga Stradiņš University, Scientific Laboratory of Molecular Genetics , Riga , Latvia
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13
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Kobitzsch B, Gökbuget N, Schwartz S, Reinhardt R, Brüggemann M, Viardot A, Wäsch R, Starck M, Thiel E, Hoelzer D, Burmeister T. Loss-of-function but not dominant-negative intragenic IKZF1 deletions are associated with an adverse prognosis in adult BCR-ABL-negative acute lymphoblastic leukemia. Haematologica 2017; 102:1739-1747. [PMID: 28751559 PMCID: PMC5622858 DOI: 10.3324/haematol.2016.161273] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 07/18/2017] [Indexed: 12/17/2022] Open
Abstract
Genetic alterations of the transcription factor IKZF1 ("IKAROS") are detected in around 15-30% of cases of BCR-ABL-negative B-cell precursor acute lymphoblastic leukemia. Different types of intragenic deletions have been observed, resulting in a functionally inactivated allele ("loss-of-function") or in "dominant-negative" isoforms. The prognostic impact of these alterations especially in adult acute lymphoblastic leukemia is not well defined. We analyzed 482 well-characterized cases of adult BCR-ABL-negative B-precursor acute lymphoblastic leukemia uniformly treated in the framework of the GMALL studies and detected IKZF1 alterations in 128 cases (27%). In 20%, the IKZF1 alteration was present in a large fraction of leukemic cells ("high deletion load") while in 7% it was detected only in small subclones ("low deletion load"). Some patients showed more than one IKZF1 alteration (8%). Patients exhibiting a loss-of-function isoform with high deletion load had a shorter overall survival (OS at 5 years 28% vs. 59%; P<0.0001), also significant in a subgroup analysis of standard risk patients according to GMALL classification (OS at 5 years 37% vs. 68%; P=0.0002). Low deletion load or dominant-negative IKZF1 alterations had no prognostic impact. The results thus suggest that there is a clear distinction between loss-of-function and dominant-negative IKZF1 deletions. Affected patients should thus be monitored for minimal residual disease carefully to detect incipient relapses at an early stage and they are potential candidates for alternative or intensified treatment regimes. (clinicaltrials.gov identifiers: 00199056 and 00198991).
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Affiliation(s)
- Benjamin Kobitzsch
- Department of Hematology, Oncology and Tumor Immunology, Charité Universitätsmedizin Berlin, Germany
| | - Nicola Gökbuget
- Department of Medicine II, Hematology/Oncology, Goethe University, Frankfurt/Main, Germany
| | - Stefan Schwartz
- Department of Hematology, Oncology and Tumor Immunology, Charité Universitätsmedizin Berlin, Germany
| | | | - Monika Brüggemann
- Department of Hematology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Andreas Viardot
- Department of Medicine III (Hematology, Oncology), Ulm University, Munich, Germany
| | - Ralph Wäsch
- Department of Hematology, Oncology and Stem Cell Transplantation, University of Freiburg Medical Center, Munich, Germany
| | - Michael Starck
- Department of Hematology, Klinikum München-Schwabing, Munich, Germany
| | - Eckhard Thiel
- Department of Hematology, Oncology and Tumor Immunology, Charité Universitätsmedizin Berlin, Germany
| | - Dieter Hoelzer
- Department of Medicine II, Hematology/Oncology, Goethe University, Frankfurt/Main, Germany
| | - Thomas Burmeister
- Department of Hematology, Oncology and Tumor Immunology, Charité Universitätsmedizin Berlin, Germany
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14
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Bekker-Méndez VC, Núñez-Enríquez JC, Torres Escalante JL, Alvarez-Olmos E, González-Montalvoc PM, Jiménez-Hernández E, Sansón AM, Leal YA, Ramos-Cervantes MT, Guerra-Castillo FX, Ortiz-Maganda MP, Flores-Lujano J, Pérez-Saldivar ML, Velazquez-Aviña MM, Bolea-Murga V, Torres-Nava JR, Amador-Sanchez R, Solis-Labastida KA, Rámirez-Bello J, Fragoso JM, Mejía-Aranguré JM. ARID5B, CEBPE and PIP4K2A Germline Genetic Polymorphisms and Risk of Childhood Acute Lymphoblastic Leukemia in Mexican Patients: A MIGICCL Study. Arch Med Res 2017; 47:623-628. [PMID: 28476190 DOI: 10.1016/j.arcmed.2016.12.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 11/24/2016] [Indexed: 10/19/2022]
Abstract
BACKGROUND AND AIMS Childhood acute lymphoblastic leukemia (ALL) is the leading cause of childhood cancer-related deaths worldwide. Multiples studies have shown that ALL seems to be originated by an interaction between environmental and genetic susceptibility factors. The ARID5B polymorphisms are among the most reproducible ALL associated-risk alleles in different populations. The aim of the present study was to examine the contribution of ARID5B, CEBPE, and PIP4K2 risk alleles for the development of ALL in children from Mexico City and Yucatan, Mexico. METHODS A study was conducted with a total of 761 unrelated subjects. Two hundred eighty five ALL cases (111 from Yucatan and 174 from Mexico City) and 476 healthy subjects. Genotyping included the rs7088318 (PIP4K2A), rs10821936 (ARID5B), rs7089424 (ARID5B) and rs2239633 (CEBPE) polymorphisms. RESULTS Associations between ALL and rs10821936 and rs7089424 ARID5B SNPs were found (OR = 1.9, 95% CI (1.5-2.4) and OR = 2.0, 95% CI (1.6-2.5), respectively). Moreover, a higher risk was observed in the homozygous risk genotypes of carriers from Mexico City (OR = 3.1, 95% CI (2.0-4.9) and OR 3.1, CI 95% (2.0-4.8), respectively). Otherwise, the rs7088318 (PIP4K2A) and rs2239633 (CEBPE) polymorphisms were not associated with ALL risk. CONCLUSIONS Our analysis suggests that ARID5B confers risk for childhood ALL in a Mexican population.
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Affiliation(s)
- Vilma Carolina Bekker-Méndez
- Unidad de Investigación Médica en Inmunología e Infectología, Hospital de Infectología "Dr. Daniel Méndez Hernández", "La Raza", IMSS, Mexico City, Mexico.
| | - Juan Carlos Núñez-Enríquez
- Unidad de Investigación Médica en Epidemiología Clínica, UMAE Hospital de Pediatría, Centro Médico Nacional (CMN) "Siglo XXI", Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico
| | | | - Enrique Alvarez-Olmos
- Laboratorio de Genómica del Cáncer, Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City, Mexico
| | | | - Elva Jiménez-Hernández
- Servicio de Hematología Pediátrica, Hospital General "Gaudencio González Garza", Centro Médico Nacional (CMN) "La Raza", IMSS, Mexico City, Mexico
| | - Aurora Medina Sansón
- Servicio de Hemato-Oncologia, Hospital Infantil de México Federico Gómez, Secretaria de Salud (SSa), Mexico City, Mexico
| | - Yelda A Leal
- Unidad de Investigación Médica Yucatán, Registro de Cáncer, Unidad Médica de Alta Especialidad IMSS Mérida, Yucatán, Mexico
| | - María Teresa Ramos-Cervantes
- Unidad de Investigación Médica en Inmunología e Infectología, Hospital de Infectología "Dr. Daniel Méndez Hernández", "La Raza", IMSS, Mexico City, Mexico
| | - Francisco Xavier Guerra-Castillo
- Unidad de Investigación Médica en Inmunología e Infectología, Hospital de Infectología "Dr. Daniel Méndez Hernández", "La Raza", IMSS, Mexico City, Mexico
| | - Mónica Patricia Ortiz-Maganda
- Unidad de Investigación Médica en Inmunología e Infectología, Hospital de Infectología "Dr. Daniel Méndez Hernández", "La Raza", IMSS, Mexico City, Mexico
| | - Janet Flores-Lujano
- Unidad de Investigación Médica en Epidemiología Clínica, UMAE Hospital de Pediatría, Centro Médico Nacional (CMN) "Siglo XXI", Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico
| | - Maria Luisa Pérez-Saldivar
- Unidad de Investigación Médica en Epidemiología Clínica, UMAE Hospital de Pediatría, Centro Médico Nacional (CMN) "Siglo XXI", Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico
| | | | - Victoria Bolea-Murga
- Servicio de Hematología Pediátrica, Hospital General de México, Secretaria de Salud (SSa), Mexico City, Mexico
| | - José Refugio Torres-Nava
- Servicio de Oncología, Hospital Pediátrico de Moctezuma, Secretaría de Salud del D.F., Mexico City, Mexico
| | - Raquel Amador-Sanchez
- Hospital General Regional No. 1 "Carlos McGregor Sánchez Navarro", IMSS, Mexico City, Mexico
| | - Karina Anastacia Solis-Labastida
- Servicio de Hematología Pediátrica, UMAE Hospital de Pediatría, Centro Médico Nacional (CMN) "Siglo XXI", Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico
| | - Julian Rámirez-Bello
- Laboratorio de la Unidad de Investigación en Enfermedades Metabólicas y Endócrinas del Hospital Juárez de México, Mexico City, Mexico
| | - José Manuel Fragoso
- Departamento de Biología Molecular, Instituto Nacional de Cardiología, Ignacio Chávez, Ciudad de México, Mexico
| | - Juan Manuel Mejía-Aranguré
- Unidad de Investigación Médica en Epidemiología Clínica, UMAE Hospital de Pediatría, Centro Médico Nacional (CMN) "Siglo XXI", Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico; Coordinación de Investigación en Salud, Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico.
| | -
- Mexican Inter-Institutional Group for the Identification of the Causes of Childhood Leukaemia, Instituto Mexicano del Seguro Social, Instituto de Seguridad Social al Servicio de los Trabajadores del Estado, Secretaría de Salud, Secretaría de Salud del Gobierno del Distrito Federal, Mexico City, Mexico
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15
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Teras LR, DeSantis CE, Cerhan JR, Morton LM, Jemal A, Flowers CR. 2016 US lymphoid malignancy statistics by World Health Organization subtypes. CA Cancer J Clin 2016; 66:443-459. [PMID: 27618563 DOI: 10.3322/caac.21357] [Citation(s) in RCA: 729] [Impact Index Per Article: 91.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 07/11/2016] [Accepted: 07/12/2016] [Indexed: 12/15/2022] Open
Abstract
Collectively, lymphoid neoplasms are the fourth most common cancer and the sixth leading cause of cancer death in the United States. The authors provide contemporary lymphoid neoplasm statistics by subtype based on the 2008 World Health Organization classifications, including the most current US incidence and survival data. Presented for the first time are estimates of the total numbers of US lymphoid neoplasm cases by subtype as well as a detailed evaluation of incidence and survival statistics. In 2016, 136,960 new lymphoid neoplasms are expected. Overall lymphoma incidence rates have declined in recent years, but trends vary by subtype. Precursor lymphoid neoplasm incidence rates increased from 2001 to 2012, particularly for B-cell neoplasms. Among the mature lymphoid neoplasms, the fastest increase was for plasma cell neoplasms. Rates also increased for mantle cell lymphoma (males), marginal zone lymphoma, hairy cell leukemia, and mycosis fungoides. Like incidence, survival for both mature T-cell lymphomas and mature B-cell lymphomas varied by subtype and by race. Patients with peripheral T-cell lymphomas had among the worst 5-year relative survival (36%-56%, depending on race/sex), while those with mycosis fungoides had among the best survival (79%-92%). For B-cell lymphomas, 5-year survival ranged from 83% to 91% for patients with marginal zone lymphoma and from 78% to 92% for those with hairy cell leukemia; but the rates were as low as 47% to 63% for patients with Burkitt lymphoma and 44% to 48% for those with plasma cell neoplasms. In general, black men had the lowest survival across lymphoid malignancy subtypes. These contemporary incidence and survival statistics are useful for developing management strategies for these cancers and can offer clues regarding their etiology. CA Cancer J Clin 2016;66:443-459. © 2016 American Cancer Society.
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Affiliation(s)
- Lauren R Teras
- Strategic Director, Hematologic Cancer Research, Epidemiology Research Program, American Cancer Society, Atlanta, GA
| | - Carol E DeSantis
- Director, Breast and Gynecological Cancer Surveillance, Surveillance and Health Services Research, American Cancer Society, Atlanta, GA
| | - James R Cerhan
- Professor and Chair, Department of Health Sciences Research, Mayo Clinic, Rochester, MN
| | - Lindsay M Morton
- Senior Investigator, Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Ahmedin Jemal
- Vice President, Surveillance and Health Services Research, American Cancer Society, Atlanta, GA
| | - Christopher R Flowers
- Director, Lymphoma Program, Department of Hematology and Oncology/Winship Cancer Institute, Emory University, Atlanta, GA
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16
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Zhang XX, Du YF, Zhai YJ, Gao F, Yang YJ, Ma XC, Lu J, Zheng J. A common genetic variation in CEBPE and acute lymphoblastic leukemia: a meta-analysis of the available evidence. Onco Targets Ther 2015; 8:2443-51. [PMID: 26388693 PMCID: PMC4571986 DOI: 10.2147/ott.s89661] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) has been studied intensively for decades, but the details of its etiology and underlying mechanisms have yet to be fully elucidated. It is now generally acknowledged that genetic factors contribute greatly to the development of this disease. The gene encoding CCAAT/enhancer-binding protein ε (CEBPE) is involved in the development of leukemia, and in particular the rs2239633 single nucleotide polymorphism (SNP) of CEBPE. The association between rs2239633 and risk of ALL has been well studied, but remains unclear. Therefore, a meta-analysis was performed in this study to establish a more precise estimation of that relationship. A comprehensive literature search of the PubMed electronic database was conducted, and relevant studies published up to February 20, 2015 were selected for analysis. The references of the retrieved articles were also screened. The extracted data were analyzed statistically, and pooled odds ratios with 95% confidence intervals were calculated using Review Manager (version 5.2) to estimate the association strength. Finally, eleven studies were included in the meta-analysis. The pooled analyses revealed that rs2239633 was associated with an increased risk of childhood ALL in Caucasians under any contrast models (P<0.01). However, this SNP did not affect the risk of ALL in adulthood among Caucasians, or in childhood among East Asians. In conclusion, these findings confirm that the CEBPE rs2239633 SNP could be considered a good marker of pediatric ALL risk in Caucasians, but not in East Asians; it is not a good marker of adult ALL risk in Caucasians.
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Affiliation(s)
- Xiao-Xia Zhang
- Department of Pharmacy, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yue-Feng Du
- Department of Urology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Ya-Jing Zhai
- Department of Pharmacy, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Fan Gao
- Clinical Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yu-Juan Yang
- The Third Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, People's Republic of China
| | - Xian-Cang Ma
- Clinical Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Jun Lu
- Clinical Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Jie Zheng
- Clinical Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
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17
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Abstract
The IKZF1 gene at 7p12.2 codes for IKAROS (also termed IKZF1), an essential transcription factor in haematopoiesis involved primarily in lymphoid differentiation. Its importance is underlined by the fact that deregulation of IKAROS results in leukaemia in both mice and men. During recent years, constitutional as well as acquired genetic changes of IKZF1 have been associated with human disease. For example, certain germline single nucleotide polymorphisms in IKZF1 have been shown to increase the risk of some disorders and abnormal expression and somatic rearrangements, mutations and deletions of IKZF1 (ΔIKZF1) have been detected in a wide variety of human malignancies. Of immediate clinical importance is the fact that ΔIKZF1 occurs in 15% of paediatric B-cell precursor acute lymphoblastic leukaemia (BCP ALL) and that the presence of ΔIKZF1 is associated with an increased risk of relapse and a poor outcome; in some studies such deletions have been shown to be an independent risk factor also when minimal residual disease data are taken into account. However, cooperative genetic changes, such as ERG deletions and CRLF2 rearrangements, may modify the prognostic impact of ΔIKZF1, for better or worse. This review summarizes our current knowledge of IKZF1 abnormalities in human disease, with an emphasis on BCP ALL.
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Affiliation(s)
- Linda Olsson
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
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18
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Li S, Ren L, Fan L, Wang G. IKZF1rs4132601 polymorphism and acute lymphoblastic leukemia susceptibility: a meta-analysis. Leuk Lymphoma 2014; 56:978-82. [DOI: 10.3109/10428194.2014.939965] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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