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Zhang T, Zhou C, Guo J, Chang J, Wu H, He J. RTEL1 gene polymorphisms and neuroblastoma risk in Chinese children. BMC Cancer 2023; 23:1145. [PMID: 38001404 PMCID: PMC10675872 DOI: 10.1186/s12885-023-11642-3] [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: 09/01/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Neuroblastoma, a neuroendocrine tumor originating from the sympathetic ganglia, is one of the most common malignancies in childhood. RTEL1 is critical in many fundamental cellular processes, such as DNA replication, DNA damage repair, genomic integrity, and telomere stability. Single nucleotide polymorphisms (SNPs) in the RTEL1 gene have been reported to confer susceptibility to multiple cancers, but their contributing roles in neuroblastoma remain unclear. METHODS We conducted a study on 402 neuroblastoma cases and 473 controls to assess the association between four RTEL1 SNPs (rs3761124 T>C, rs3848672 T>C, rs3208008 A>C and rs2297441 G>A) and neuroblastoma susceptibility. RESULTS Our results show that rs3848672 T>C is significantly associated with an increased risk of neuroblastoma [CC vs. TT/TC: adjusted odds ratio (OR)=1.39, 95% confidence interval (CI)=1.02-1.90, P=0.038]. The stratified analysis further indicated that boy carriers of the rs3848672 CC genotype had a higher risk of neuroblastoma, and all carriers had an increased risk of developing neuroblastoma of mediastinum origin. Moreover, the rs2297441 AA genotype increased neuroblastoma risk in girls and predisposed children to neuroblastoma arising from retroperitoneal. CONCLUSION Our study indicated that the rs3848672 CC and rs2297441 AA genotypes of the RTEL1 gene are significantly associated with an increased risk of neuroblastoma in Chinese children in a gender- and site-specific manner.
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Affiliation(s)
- Ting Zhang
- Department of Clinical Laboratory, The Affiliated Wenling Hospital of Wenzhou Medical University, Taizhou, 317500, Zhejiang, China
| | - Chunlei Zhou
- Department of Pathology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, Jiangsu, China
| | - Jiejie Guo
- Department of Clinical Laboratory, The Affiliated Wenling Hospital of Wenzhou Medical University, Taizhou, 317500, Zhejiang, China
| | - Jiamin Chang
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, 9 Jinsui Road, Guangzhou, 510623, Guangdong, China
| | - Haiyan Wu
- Department of Pathology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, Jiangsu, China.
| | - Jing He
- Department of Clinical Laboratory, The Affiliated Wenling Hospital of Wenzhou Medical University, Taizhou, 317500, Zhejiang, China.
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, 9 Jinsui Road, Guangzhou, 510623, Guangdong, China.
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Gao J, Fosbrook C, Gibson J, Underwood TJ, Gray JC, Walters ZS. Review: Targeting EZH2 in neuroblastoma. Cancer Treat Rev 2023; 119:102600. [PMID: 37467626 DOI: 10.1016/j.ctrv.2023.102600] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Abstract
Neuroblastoma is one of the commonest extra-cranial pediatric tumors, and accounts for over 15% of all childhood cancer mortality. Risk stratification for children with neuroblastoma is based on age, stage, histology, and tumor cytogenetics. The majority of patients are considered to have high-risk neuroblastoma, for which the long-term survival is less than 50%. Current treatments combine surgical resection, chemotherapy, stem cell transplantation, radiotherapy, anti-GD2 based immunotherapy as well as the differentiating agent isotretinoin. Despite the intensive multimodal therapies applied, there are high relapse rates, and recurrent disease is often resistant to further therapy. Enhancer of Zeste Homolog 2 (EZH2), a catalytic subunit of Polycomb Repressive Complex 2 (PRC2), is a histone methyltransferase that represses transcription through trimethylation of lysine residue K27 on histone H3 (H3K27me3). It is responsible for epigenetic repression of transcription, making EZH2 an essential regulator for cell differentiation. Overexpression of EZH2 has been shown to promote tumorigenesis, cancer cell proliferation and prevent tumor cells from differentiating in a number of cancers. Therefore, research has been ongoing for the past decade, developing treatments that target EZH2 in neuroblastoma. This review summarises the role of EZH2 in neuroblastoma and evaluates the latest research findings on the therapeutic potential of targeting EZH2 in the treatment of neuroblastoma.
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Affiliation(s)
- Jinhui Gao
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, UK.
| | - Claire Fosbrook
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, UK
| | - Jane Gibson
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, UK
| | - Timothy J Underwood
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, UK
| | - Juliet C Gray
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, UK
| | - Zoë S Walters
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, UK
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Altun Z, Yuan H, Baran B, Aktaş S, Sönmez EE, Küçük C, Olgun N. Whole-exome sequencing reveals genetic variants in low-risk and high-risk neuroblastoma. Gene 2023; 860:147233. [PMID: 36736507 DOI: 10.1016/j.gene.2023.147233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 01/11/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023]
Abstract
This study aimed to investigate the genetic aberrations in neuroblastoma (NB) by comparing high and low-risk NB patients by whole-exome sequencing (WES) and to reveal the heterogeneity and association between somatic variants and clinical features. Seven NB patients with available clinical data were included in the study (4 in the low-risk group and 3 in the high-risk group). WES was performed and somatic variants associated with NB genes in the COSMIC database were selected through bioinformatics pipeline analysis. Variants were determined using the Integrative Genomics Viewer (IGV). Some gene variations were found in both groups, including variations in oncogene and tumor suppressor genes. In general, candidate gene variations were associated with chromatin remodeling complexes, the RAS pathway, cell proliferation, and DNA repair mechanism. Some variations in CSF1R, MSH6, PTPN11, SOX9, RET, TSC1, and DNMT1 genes were detected only in high-risk patients, while EP300, TET2, MYCN, PRDM1, and ARID2 gene variations were detected only in low-risk patients. When high-risk gene variants were compared with the cBioportal cancer genomic database, two common gene variants (ARID1A and NCOR2) were identified. However, when low-risk gene variants were compared with the cBioportal cancer genomic database, no common genes were found. GO/KEGG enrichment analysis was performed to find relevant biological processes and molecular pathways related to gene variants, which will help to decipher the molecular mechanisms of NB tumorigenesis and the phenotypic differences between high-risk and low-risk patients.
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Affiliation(s)
- Zekiye Altun
- Department of Basic Oncology, Institute of Oncology, Dokuz Eylül University, İzmir, Turkey.
| | - Hongling Yuan
- Department of Basic Oncology, Institute of Oncology, Dokuz Eylül University, İzmir, Turkey
| | - Burçin Baran
- Department of Basic Oncology, Institute of Oncology, Dokuz Eylül University, İzmir, Turkey
| | - Safiye Aktaş
- Department of Basic Oncology, Institute of Oncology, Dokuz Eylül University, İzmir, Turkey
| | - Esra Esmeray Sönmez
- İzmir Biomedicine and Genome Center, İzmir, Turkey; İzmir Biomedicine and Genome Institute, Dokuz Eylül University, İzmir, Turkey
| | - Can Küçük
- İzmir Biomedicine and Genome Center, İzmir, Turkey; İzmir Biomedicine and Genome Institute, Dokuz Eylül University, İzmir, Turkey; Department of Medical Biology, Faculty of Medicine, Dokuz Eylül University, İzmir, Turkey
| | - Nur Olgun
- Department of Pediatric Oncology, Institute of Oncology, Dokuz Eylül University, İzmir, Turkey
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Hastings JF, Latham SL, Kamili A, Wheatley MS, Han JZ, Wong-Erasmus M, Phimmachanh M, Nobis M, Pantarelli C, Cadell AL, O’Donnell YE, Leong KH, Lynn S, Geng FS, Cui L, Yan S, Achinger-Kawecka J, Stirzaker C, Norris MD, Haber M, Trahair TN, Speleman F, De Preter K, Cowley MJ, Bogdanovic O, Timpson P, Cox TR, Kolch W, Fletcher JI, Fey D, Croucher DR. Memory of stochastic single-cell apoptotic signaling promotes chemoresistance in neuroblastoma. SCIENCE ADVANCES 2023; 9:eabp8314. [PMID: 36867694 PMCID: PMC9984174 DOI: 10.1126/sciadv.abp8314] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Gene expression noise is known to promote stochastic drug resistance through the elevated expression of individual genes in rare cancer cells. However, we now demonstrate that chemoresistant neuroblastoma cells emerge at a much higher frequency when the influence of noise is integrated across multiple components of an apoptotic signaling network. Using a JNK activity biosensor with longitudinal high-content and in vivo intravital imaging, we identify a population of stochastic, JNK-impaired, chemoresistant cells that exist because of noise within this signaling network. Furthermore, we reveal that the memory of this initially random state is retained following chemotherapy treatment across a series of in vitro, in vivo, and patient models. Using matched PDX models established at diagnosis and relapse from individual patients, we show that HDAC inhibitor priming cannot erase the memory of this resistant state within relapsed neuroblastomas but improves response in the first-line setting by restoring drug-induced JNK activity within the chemoresistant population of treatment-naïve tumors.
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Affiliation(s)
- Jordan F. Hastings
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Sharissa L. Latham
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Alvin Kamili
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Madeleine S. Wheatley
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Jeremy Z. R. Han
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Marie Wong-Erasmus
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Monica Phimmachanh
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Max Nobis
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Chiara Pantarelli
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Antonia L. Cadell
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Yolande E. I. O’Donnell
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - King Ho Leong
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Sophie Lynn
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Fan-Suo Geng
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Lujing Cui
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Sabrina Yan
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Joanna Achinger-Kawecka
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Clare Stirzaker
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Murray D. Norris
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
- University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
| | - Michelle Haber
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Toby N. Trahair
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
- Kids Cancer Centre, Sydney Children’s Hospital, Randwick, NSW 2031, Australia
| | - Frank Speleman
- Center for Medical Genetics, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent University, Ghent, Belgium
| | - Katleen De Preter
- Center for Medical Genetics, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent University, Ghent, Belgium
| | - Mark J. Cowley
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
- University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
| | - Ozren Bogdanovic
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Paul Timpson
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Thomas R. Cox
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Walter Kolch
- Systems Biology Ireland, School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - Jamie I. Fletcher
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- Children’s Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
- University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
| | - Dirk Fey
- Systems Biology Ireland, School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - David R. Croucher
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
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Chiaino E, Micucci M, Budriesi R, Mattioli LB, Marzetti C, Corsini M, Frosini M. Hibiscus Flower and Olive Leaf Extracts Activate Apoptosis in SH-SY5Y Cells. Antioxidants (Basel) 2021; 10:antiox10121962. [PMID: 34943065 PMCID: PMC8750347 DOI: 10.3390/antiox10121962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 01/15/2023] Open
Abstract
Compounds of natural origin may constitute an interesting tool for the treatment of neuroblastoma, the most prevalent extracranial solid tumor in children. PRES is a commercially available food supplement, composed of a 13:2 (w/w) extracts mix of Olea europaea L. leaves (OE) and Hibiscus sabdariffa L. flowers (HS). Its potential towards neuroblastoma is still unexplored and was thus investigated in human neuroblastoma SH-SY5Y cells. PRES decreased the viability of cells in a concentration-dependent fashion (24 h IC50 247.2 ± 31.8 µg/mL). Cytotoxicity was accompanied by an increase in early and late apoptotic cells (AV-PI assay) and sub G0/G1 cells (cell cycle analysis), ROS formation, reduction in mitochondrial membrane potential, and caspases activities. The ROS scavenger N-acetyl-L-cysteine reverted the cytotoxic effects of PRES, suggesting a key role played by ROS in PRES-mediated SH-SY5Y cell death. Finally, the effects of OE and HS extracts were singularly tested and compared to those of the corresponding mixture. OE- or HS-mediated cytotoxicity was always significantly lower than that caused by PRES, suggesting a synergic effect. In conclusion, the present findings highlight the potential of PRES for the treatment of neuroblastoma and offers the basis for a further characterization of the mechanisms underlying its effects.
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Affiliation(s)
- Elda Chiaino
- Dipartimento di Scienze della Vita, Università di Siena, Via Aldo Moro 2, 53100 Siena, Italy;
| | - Matteo Micucci
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum-Università di Bologna, Via Belmeloro, 40126 Bologna, Italy; (M.M.); (R.B.); (L.B.M.)
- UniCamillus-Saint Camillus International University of Health Sciences, Via di Sant’Alessandro, 800131 Rome, Italy
| | - Roberta Budriesi
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum-Università di Bologna, Via Belmeloro, 40126 Bologna, Italy; (M.M.); (R.B.); (L.B.M.)
| | - Laura Beatrice Mattioli
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum-Università di Bologna, Via Belmeloro, 40126 Bologna, Italy; (M.M.); (R.B.); (L.B.M.)
| | | | - Maddalena Corsini
- Dipartimento di Biotecnologie Chimica e Farmacia, Università di Siena, Via Aldo Moro 2, 53100 Siena, Italy;
| | - Maria Frosini
- Dipartimento di Scienze della Vita, Università di Siena, Via Aldo Moro 2, 53100 Siena, Italy;
- Correspondence: ; Tel.: +390577-235-355
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