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Lin MH, Chou PC, Lee IC, Yang SF, Yu HS, Yu S. Inherited Reticulate Pigmentary Disorders. Genes (Basel) 2023; 14:1300. [PMID: 37372478 DOI: 10.3390/genes14061300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/12/2023] [Accepted: 06/18/2023] [Indexed: 06/29/2023] Open
Abstract
Reticulate pigmentary disorders (RPDs) are a group of inherited and acquired skin conditions characterized by hyperpigmented and/or hypopigmented macules. Inherited RPDs include dyschromatosis symmetrica hereditaria (DSH), dyschromatosis universalis hereditaria (DUH), reticulate acropigmentation of Kitamura (RAK), Dowling-Degos disease (DDD), dyskeratosis congenita (DKC), Naegeli-Franceschetti-Jadassohn syndrome (NFJS), dermatopathia pigmentosa reticularis (DPR), and X-linked reticulate pigmentary disorder. Although reticulate pattern of pigmentation is a common characteristic of this spectrum of disorders, the distribution of pigmentation varies among these disorders, and there may be clinical manifestations beyond pigmentation. DSH, DUH, and RAK are mostly reported in East Asian ethnicities. DDD is more common in Caucasians, although it is also reported in Asian countries. Other RPDs show no racial predilection. This article reviews the clinical, histological, and genetic variations of inherited RPDs.
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Affiliation(s)
- Min-Huei Lin
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Pei-Chen Chou
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - I-Chen Lee
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Syuan-Fei Yang
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Hsin-Su Yu
- Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Sebastian Yu
- Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Revy P, Kannengiesser C, Bertuch AA. Genetics of human telomere biology disorders. Nat Rev Genet 2023; 24:86-108. [PMID: 36151328 DOI: 10.1038/s41576-022-00527-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2022] [Indexed: 01/24/2023]
Abstract
Telomeres are specialized nucleoprotein structures at the ends of linear chromosomes that prevent the activation of DNA damage response and repair pathways. Numerous factors localize at telomeres to regulate their length, structure and function, to avert replicative senescence or genome instability and cell death. In humans, Mendelian defects in several of these factors can result in abnormally short or dysfunctional telomeres, causing a group of rare heterogeneous premature-ageing diseases, termed telomeropathies, short-telomere syndromes or telomere biology disorders (TBDs). Here, we review the TBD-causing genes identified so far and describe their main functions associated with telomere biology. We present molecular aspects of TBDs, including genetic anticipation, phenocopy, incomplete penetrance and somatic genetic rescue, which underlie the complexity of these diseases. We also discuss the implications of phenotypic and genetic features of TBDs on fundamental aspects related to human telomere biology, ageing and cancer, as well as on diagnostic, therapeutic and clinical approaches.
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Affiliation(s)
- Patrick Revy
- INSERM UMR 1163, Laboratory of Genome Dynamics in the Immune System, Equipe Labellisée Ligue Nationale contre le Cancer, Paris, France.
- Université Paris Cité, Imagine Institute, Paris, France.
| | - Caroline Kannengiesser
- APHP Service de Génétique, Hôpital Bichat, Paris, France
- Inserm U1152, Université Paris Cité, Paris, France
| | - Alison A Bertuch
- Departments of Paediatrics and Molecular & Human Genetics, Baylor College of Medicine, Houston, TX, USA
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Gadelha RB, Machado CB, Pessoa FMCDP, Pantoja LDC, Barreto IV, Ribeiro RM, de Moraes Filho MO, de Moraes MEA, Khayat AS, Moreira-Nunes CA. The Role of WRAP53 in Cell Homeostasis and Carcinogenesis Onset. Curr Issues Mol Biol 2022; 44:5498-5515. [PMID: 36354684 PMCID: PMC9688736 DOI: 10.3390/cimb44110372] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/30/2022] [Accepted: 09/29/2022] [Indexed: 11/07/2023] Open
Abstract
The WD repeat containing antisense to TP53 (WRAP53) gene codifies an antisense transcript for tumor protein p53 (TP53), stabilization (WRAP53α), and a functional protein (WRAP53β, WDR79, or TCAB1). The WRAP53β protein functions as a scaffolding protein that is important for telomerase localization, telomere assembly, Cajal body integrity, and DNA double-strand break repair. WRAP53β is one of many proteins known for containing WD40 domains, which are responsible for mediating a variety of cell interactions. Currently, WRAP53 overexpression is considered a biomarker for a diverse subset of cancer types, and in this study, we describe what is known about WRAP53β's multiple interactions in cell protein trafficking, Cajal body formation, and DNA double-strand break repair and its current perspectives as a biomarker for cancer.
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Affiliation(s)
- Renan Brito Gadelha
- Pharmacogenetics Laboratory, Department of Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - Caio Bezerra Machado
- Pharmacogenetics Laboratory, Department of Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - Flávia Melo Cunha de Pinho Pessoa
- Pharmacogenetics Laboratory, Department of Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - Laudreísa da Costa Pantoja
- Department of Pediatrics, Octávio Lobo Children’s Hospital, Belém 60430-275, PA, Brazil
- Department of Biological Sciences, Oncology Research Center, Federal University of Pará, Belém 66073-005, PA, Brazil
| | - Igor Valentim Barreto
- Pharmacogenetics Laboratory, Department of Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | | | - Manoel Odorico de Moraes Filho
- Pharmacogenetics Laboratory, Department of Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - Maria Elisabete Amaral de Moraes
- Pharmacogenetics Laboratory, Department of Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - André Salim Khayat
- Department of Biological Sciences, Oncology Research Center, Federal University of Pará, Belém 66073-005, PA, Brazil
| | - Caroline Aquino Moreira-Nunes
- Pharmacogenetics Laboratory, Department of Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
- Department of Biological Sciences, Oncology Research Center, Federal University of Pará, Belém 66073-005, PA, Brazil
- Northeast Biotechnology Network (RENORBIO), Itaperi Campus, Ceará State University, Fortaleza 60740-903, CE, Brazil
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Bergstrand S, O'Brien EM, Coucoravas C, Hrossova D, Peirasmaki D, Schmidli S, Dhanjal S, Pederiva C, Siggens L, Mortusewicz O, O'Rourke JJ, Farnebo M. Small Cajal body-associated RNA 2 (scaRNA2) regulates DNA repair pathway choice by inhibiting DNA-PK. Nat Commun 2022; 13:1015. [PMID: 35197472 PMCID: PMC8866460 DOI: 10.1038/s41467-022-28646-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 01/25/2022] [Indexed: 12/20/2022] Open
Abstract
Evidence that long non-coding RNAs (lncRNAs) participate in DNA repair is accumulating, however, whether they can control DNA repair pathway choice is unknown. Here we show that the small Cajal body-specific RNA 2 (scaRNA2) can promote HR by inhibiting DNA-dependent protein kinase (DNA-PK) and, thereby, NHEJ. By binding to the catalytic subunit of DNA-PK (DNA-PKcs), scaRNA2 weakens its interaction with the Ku70/80 subunits, as well as with the LINP1 lncRNA, thereby preventing catalytic activation of the enzyme. Inhibition of DNA-PK by scaRNA2 stimulates DNA end resection by the MRN/CtIP complex, activation of ATM at DNA lesions and subsequent repair by HR. ScaRNA2 is regulated in turn by WRAP53β, which binds this RNA, sequestering it away from DNA-PKcs and allowing NHEJ to proceed. These findings reveal that RNA-dependent control of DNA-PK catalytic activity is involved in regulating whether the cell utilizes NHEJ or HR. Proper repair of DNA double-strand breaks is essential for genomic stability. Here, the authors report that a long non-coding RNA, scaRNA2, inhibits DNA-PK and thereby regulates the choice between error-prone NHEJ and error-free HR DNA repair.
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Affiliation(s)
- Sofie Bergstrand
- Department of Biosciences and Nutrition, Neo, Karolinska Institutet, Stockholm, Sweden
| | - Eleanor M O'Brien
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Christos Coucoravas
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Dominika Hrossova
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Dimitra Peirasmaki
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Sandro Schmidli
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Soniya Dhanjal
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Chiara Pederiva
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Lee Siggens
- Department of Biosciences and Nutrition, Neo, Karolinska Institutet, Stockholm, Sweden
| | - Oliver Mortusewicz
- Department of Oncology and Pathology, SciLife, Karolinska Institutet, Stockholm, Sweden
| | - Julienne J O'Rourke
- Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden
| | - Marianne Farnebo
- Department of Biosciences and Nutrition, Neo, Karolinska Institutet, Stockholm, Sweden. .,Department of Cell and Molecular biology, Biomedicum, Karolinska Institutet, Stockholm, Sweden.
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Magnusson T, Godby RC, Bachiashvili K, Jamy O. First report of novel heterozygous WRAP53 p.Ala522Glyfs*8 mutation associated dyskeratosis congenita. Br J Haematol 2021; 196:e27-e29. [PMID: 34649303 DOI: 10.1111/bjh.17883] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tylan Magnusson
- Division of General Internal Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Richard C Godby
- Division of General Internal Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kimo Bachiashvili
- Division of Hematology Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Omer Jamy
- Division of Hematology Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
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Brailovski E, Tsui H, Chen YB, Velsher L, Liu J, Buckstein R. Previously unreported WRAP53 gene variants in a patient with dyskeratosis congenita. Ann Hematol 2021; 101:907-909. [PMID: 34599657 DOI: 10.1007/s00277-021-04678-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 09/22/2021] [Indexed: 12/21/2022]
Affiliation(s)
| | - Hubert Tsui
- Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Yi-Bin Chen
- Massachusetts General Hospital, Boston, MA, USA
| | - Lea Velsher
- North York General Hospital, Toronto, ON, Canada
| | - Jiajia Liu
- St Michael's Hospital, Toronto, ON, Canada
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AlSabbagh MM. Dyskeratosis congenita: ein Literaturüberblick. J Dtsch Dermatol Ges 2020; 18:943-968. [PMID: 32985809 DOI: 10.1111/ddg.14268_g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 01/29/2020] [Indexed: 02/06/2023]
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AlSabbagh MM. Dyskeratosis congenita: a literature review. J Dtsch Dermatol Ges 2020; 18:943-967. [PMID: 32930426 DOI: 10.1111/ddg.14268] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 01/29/2020] [Indexed: 12/26/2022]
Abstract
Dyskeratosis congenita is a rare hereditary disease that occurs predominantly in males and manifests clinically as the classic triad of reticulate hyperpigmentation, nail dystrophy and leukoplakia. It increases the risk of malignancy and other potentially lethal complications such as bone marrow failure, lung and liver diseases. Mutations in 19 genes are associated with dyskeratosis congenita, and a fifth of the pathogenic mutations are found in DKC1, the gene coding for dyskerin. This review aims to address the clinical and genetic aspects of the disease.
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Biallelic mutations in WRAP53 result in dysfunctional telomeres, Cajal bodies and DNA repair, thereby causing Hoyeraal-Hreidarsson syndrome. Cell Death Dis 2020; 11:238. [PMID: 32303682 PMCID: PMC7165179 DOI: 10.1038/s41419-020-2421-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 02/13/2020] [Accepted: 03/18/2020] [Indexed: 12/15/2022]
Abstract
Approximately half of all cases of Hoyeraal–Hreidarsson syndrome (HHS), a multisystem disorder characterized by bone marrow failure, developmental defects and very short telomeres, are caused by germline mutations in genes related to telomere biology. However, the varying symptoms and severity of the disease indicate that additional mechanisms are involved. Here, a 3-year-old boy with HHS was found to carry biallelic germline mutations in WRAP53 (WD40 encoding RNA antisense to p53), that altered two highly conserved amino acids (L283F and R398W) in the WD40 scaffold domain of the protein encoded. WRAP53β (also known as TCAB1 or WDR79) is involved in intracellular trafficking of telomerase, Cajal body functions and DNA repair. We found that both mutations cause destabilization, mislocalization and faulty interactions of WRAP53β, defects linked to misfolding by the TRiC chaperonin complex. Consequently, WRAP53β HHS mutants cannot elongate telomeres, maintain Cajal bodies or repair DNA double-strand breaks. These findings provide a molecular explanation for the pathogenesis underlying WRAP53β-associated HHS and highlight the potential contribution of DNA damage and/or defects in Cajal bodies to the early onset and/or severity of this disease.
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