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Yan S, Ren J, Su H, Ma J, He W, Cai X, Sun D. Novel heterozygous variant of ADPRHL2 causes pathogenic variation in CONDSIAS. Heliyon 2024; 10:e32945. [PMID: 39100487 PMCID: PMC11295978 DOI: 10.1016/j.heliyon.2024.e32945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 06/12/2024] [Accepted: 06/12/2024] [Indexed: 08/06/2024] Open
Abstract
Adprhl2 (OMIM: 610624) mutation associated stress-induced childhood-onset neurodegeneration with variable ataxia and seizures (CONDSIAS, OMIM: 618170) is a sporadic neurodegenerative disease with poor prognosis. ADPRHL2 encodes ADP-ribosylhydrolase 3 (ARH3), which participates in ADP-ribosylation to remove poly-ADP ribose (PAR). We found a new compound heterozygous mutation in the ADPRHL2 gene c.580C > T (p.Gln194Ter) and c.803-1G > A in a 30-month-old boy, who showed gait instability, abnormal EEG, and developmental delay after respiratory infection. He died of convulsions 4 months after onset. By constructing a mutant plasmid and using Western blot to detect the expression of ARH3 and PAR, it was demonstrated that the ADPRHL2 gene c.580C > T (p.Gln194Ter) and c.803-1G > A is pathogenic according to ACMG guidelines.
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Affiliation(s)
- Shuang Yan
- Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Jie Ren
- Department of Emergency and Critical Care Center, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Hongting Su
- Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Jiehui Ma
- Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Weijie He
- Aegicare (Shenzhen) Technology Co., Ltd., Shenzhen, China
| | - Xiaofang Cai
- Department of Emergency and Critical Care Center, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Dan Sun
- Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
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Hao W, Jialong Z, Jiuzhi Y, Yang Y, Chongning L, Jincai L. ADP-ribosylation, a multifaceted modification: Functions and mechanisms in aging and aging-related diseases. Ageing Res Rev 2024; 98:102347. [PMID: 38815933 DOI: 10.1016/j.arr.2024.102347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 05/18/2024] [Accepted: 05/23/2024] [Indexed: 06/01/2024]
Abstract
Aging, a complex biological process, plays key roles the development of multiple disorders referred as aging-related diseases involving cardiovascular diseases, stroke, neurodegenerative diseases, cancers, lipid metabolism-related diseases. ADP-ribosylation is a reversible modification onto proteins and nucleic acids to alter their structures and/or functions. Growing evidence support the importance of ADP-ribosylation and ADP-ribosylation-associated enzymes in aging and age-related diseases. In this review, we summarized ADP-ribosylation-associated proteins including ADP-ribosyl transferases, the ADP-ribosyl hydrolyses and ADP-ribose binding domains. Furthermore, we outlined the latest knowledge about regulation of ADP-ribosylation in the pathogenesis and progression of main aging-related diseases, organism aging and cellular senescence, and we also speculated the underlying mechanisms to better disclose this novel molecular network. Moreover, we discussed current issues and provided an outlook for future research, aiming to revealing the unknown bio-properties of ADP-ribosylation, and establishing a novel therapeutic perspective in aging-related diseases and health aging via targeting ADP-ribosylation.
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Affiliation(s)
- Wu Hao
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Zhao Jialong
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Yuan Jiuzhi
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Yu Yang
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Lv Chongning
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China; Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China
| | - Lu Jincai
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China; Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China.
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Bannister M, Bray S, Aggarwal A, Billington C, Nguyen HD. A novel variant in ADPRS disrupts ARH3 stability and subcellular localization in children with neurodegeneration and respiratory failure. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.14.597428. [PMID: 38915701 PMCID: PMC11195236 DOI: 10.1101/2024.06.14.597428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Purpose ADP-ribosylation is a post-translational modification involving the transfer of one or more ADP-ribose units from NAD+ to target proteins. Dysregulation of ADP-ribosylation is implicated in neurodegenerative diseases. Here we report a novel homozygous variant in the ADPRS gene (c.545A>G, p.His182Arg) encoding the mono(ADP-ribosyl) hydrolase ARH3 found in 2 patients with childhood-onset neurodegeneration with stress-induced ataxia and seizures (CONDSIAS). Methods Genetic testing via exome sequencing was used to identify the underlying disease cause in two siblings with developmental delay, seizures, progressive muscle weakness, and respiratory failure following an episodic course. Studies in a cell culture model uncover biochemical and cellular consequences of the identified genetic change. Results The ARH3 H182R variant affects a highly conserved residue in the active site of ARH3, leading to protein instability, degradation, and reduced expression. ARH3 H182R additionally fails to localize to the nucleus. The combination of reduced expression and mislocalization of ARH3 H182R resulted in accumulation of mono-ADP ribosylated species in cells. Conclusions The children's clinical course combined with the biochemical characterization of their genetic variant develops our understanding of the pathogenic mechanisms driving CONDSIAS and highlights a critical role for ARH3-regulated ADP ribosylation in nervous system integrity.
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Öz Yıldız S, Yalnızoğlu D, Şimsek Kiper PÖ, Göçmen R, Soğukpınar M, Utine GE, Haliloğlu G. Delineation of ADPRHL2 Variants: Report of Two New Patients with Review of the Literature. Neuropediatrics 2024; 55:156-165. [PMID: 38365196 DOI: 10.1055/s-0044-1779618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
ADPRHL2 is involved in posttranslational modification and is known to have a role in physiological functions such as cell signaling, DNA repair, gene control, cell death, and response to stress. Recently, a group of neurological disorders due to ADPRHL2 variants is described, characterized by childhood-onset, stress-induced variable movement disorders, neuropathy, seizures, and neurodegenerative course. We present the diagnostic pathway of two pediatric patients with episodic dystonia and ataxia, who later had a neurodegenerative course complicated by central hypoventilation syndrome due to the same homozygous ADPRHL2 variant. We conducted a systematic literature search and data extraction procedure following the Preferred Reporting Items for Systematic Review and Meta-Analysis 2020 statement in terms of patients with ADPRHL2 variants, from 2018 up to 3 February, 2023. In total, 12 articles describing 47 patients were included in the final analysis. Median age at symptom onset was 2 (0.7-25) years, with the most common presenting symptoms being gait problems (n = 19, 40.4%), seizures (n = 16, 34%), ataxia (n = 13, 27.6%), and weakness (n = 10, 21.2%). Triggering factors (28/47; 59.5%) and regression (28/43; 60.4%), axonal polyneuropathy (9/23; 39.1%), and cerebral and cerebellar atrophy with white matter changes (28/36; 77.7%) were the other clues. The fatality rate and median age of death were 44.6% (n = 21) and 7 (2-34) years, respectively. ADPRHL2 variants should be considered in the context of episodic, stress-induced pediatric and adult-onset movement disorders and seizures.
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Affiliation(s)
- Sibel Öz Yıldız
- Division of Pediatric Neurology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Dilek Yalnızoğlu
- Division of Pediatric Neurology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Pelin Özlem Şimsek Kiper
- Division of Pediatric Genetics, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Rahşan Göçmen
- Department of Radiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Merve Soğukpınar
- Division of Pediatric Genetics, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Gülen Eda Utine
- Division of Pediatric Genetics, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Göknur Haliloğlu
- Division of Pediatric Neurology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Lindskov FO, Karlsson WK, Skovbølling SL, Nielsen EN, Dunø M, Stokholm J, Henriksen OM, Langkilde AR, Nielsen JE. Expanding the Spectrum of Stress-Induced Childhood-Onset Neurodegeneration with Variable Ataxia and Seizures (CONDSIAS). CEREBELLUM (LONDON, ENGLAND) 2024; 23:861-871. [PMID: 37392332 DOI: 10.1007/s12311-023-01582-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/25/2023] [Indexed: 07/03/2023]
Abstract
Stress-induced childhood-onset neurodegeneration with variable ataxia and seizures (CONDSIAS) is an extremely rare, autosomal recessive neurodegenerative disorder. It is caused by biallelic pathogenic variants in the ADPRS gene, which encodes an enzyme involved in DNA repair, and is characterized by exacerbations in relation to physical or emotional stress, and febrile illness. We report a 24-year-old female, who was compound heterozygous for two novel pathogenic variants revealed by whole exome sequencing. Additionally, we summarize the published cases of CONDSIAS. In our patient, onset of symptoms occurred at 5 years of age and consisted of episodes of truncal dystonic posturing, followed half a year later by sudden diplopia, dizziness, ataxia, and gait instability. Progressive hearing loss, urinary urgency, and thoracic kyphoscoliosis ensued. Present neurological examination revealed dysarthria, facial mini-myoclonus, muscle weakness and atrophy of hands and feet, leg spasticity with clonus, truncal and appendicular ataxia, and spastic-ataxic gait. Hybrid [18F]-fluorodeoxyglucose (FDG) positron emission tomography/magnetic resonance imaging (PET/MRI) of the brain revealed cerebellar atrophy, particularly of the vermis, with corresponding hypometabolism. MRI of the spinal cord showed mild atrophy. After informed consent from the patient, we initiated experimental, off-label treatment with minocycline, a poly-ADP-polymerase (PARP) inhibitor, which has shown beneficial effects in a Drosophila fly model. The present case report expands the list of known pathogenic variants in CONDIAS and presents details of the clinical phenotype. Future studies will reveal whether PARP inhibition is an effective treatment strategy for CONDIAS.
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Affiliation(s)
- Filippa Orlien Lindskov
- Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- Neurogenetics Clinic & Research Lab, Danish Dementia Research Centre, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | | | - Sara Lyngby Skovbølling
- Department of Neurology, Copenhagen University Hospital, Bispebjerg Hospital, Copenhagen, Denmark
| | - Emilie Neerup Nielsen
- Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Morten Dunø
- Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Jette Stokholm
- Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Otto Mølby Henriksen
- Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Annika Reynberg Langkilde
- Department of Radiology, Diagnostic Centre, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Jørgen Erik Nielsen
- Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- Neurogenetics Clinic & Research Lab, Danish Dementia Research Centre, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
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Xu X, Sun B, Zhao C. Poly (ADP-Ribose) polymerase 1 and parthanatos in neurological diseases: From pathogenesis to therapeutic opportunities. Neurobiol Dis 2023; 187:106314. [PMID: 37783233 DOI: 10.1016/j.nbd.2023.106314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/28/2023] [Accepted: 09/29/2023] [Indexed: 10/04/2023] Open
Abstract
Poly (ADP-ribose) polymerase-1 (PARP-1) is the most extensively studied member of the PARP superfamily, with its primary function being the facilitation of DNA damage repair processes. Parthanatos is a type of regulated cell death cascade initiated by PARP-1 hyperactivation, which involves multiple subroutines, including the accumulation of ADP-ribose polymers (PAR), binding of PAR and apoptosis-inducing factor (AIF), release of AIF from the mitochondria, the translocation of the AIF/macrophage migration inhibitory factor (MIF) complex, and massive MIF-mediated DNA fragmentation. Over the past few decades, the role of PARP-1 in central nervous system health and disease has received increasing attention. In this review, we discuss the biological functions of PARP-1 in neural cell proliferation and differentiation, memory formation, brain ageing, and epigenetic regulation. We then elaborate on the involvement of PARP-1 and PARP-1-dependant parthanatos in various neuropathological processes, such as oxidative stress, neuroinflammation, mitochondrial dysfunction, excitotoxicity, autophagy damage, and endoplasmic reticulum (ER) stress. Additional highlight contains PARP-1's implications in the initiation, progression, and therapeutic opportunities for different neurological illnesses, including neurodegenerative diseases, stroke, autism spectrum disorder (ASD), multiple sclerosis (MS), epilepsy, and neuropathic pain (NP). Finally, emerging insights into the repurposing of PARP inhibitors for the management of neurological diseases are provided. This review aims to summarize the exciting advancements in the critical role of PARP-1 in neurological disorders, which may open new avenues for therapeutic options targeting PARP-1 or parthanatos.
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Affiliation(s)
- Xiaoxue Xu
- Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, China; Key Laboratory of Neurological Disease Big Data of Liaoning Province, Shenyang, China.
| | - Bowen Sun
- Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, China; Key Laboratory of Neurological Disease Big Data of Liaoning Province, Shenyang, China
| | - Chuansheng Zhao
- Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, China; Key Laboratory of Neurological Disease Big Data of Liaoning Province, Shenyang, China.
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Abstract
Biomolecular condensates are reversible compartments that form through a process called phase separation. Post-translational modifications like ADP-ribosylation can nucleate the formation of these condensates by accelerating the self-association of proteins. Poly(ADP-ribose) (PAR) chains are remarkably transient modifications with turnover rates on the order of minutes, yet they can be required for the formation of granules in response to oxidative stress, DNA damage, and other stimuli. Moreover, accumulation of PAR is linked with adverse phase transitions in neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis. In this review, we provide a primer on how PAR is synthesized and regulated, the diverse structures and chemistries of ADP-ribosylation modifications, and protein-PAR interactions. We review substantial progress in recent efforts to determine the molecular mechanism of PAR-mediated phase separation, and we further delineate how inhibitors of PAR polymerases may be effective treatments for neurodegenerative pathologies. Finally, we highlight the need for rigorous biochemical interrogation of ADP-ribosylation in vivo and in vitro to clarify the exact pathway from PARylation to condensate formation.
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Affiliation(s)
- Kevin Rhine
- Program in Cell, Molecular, Developmental Biology, and Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Biology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Hana M Odeh
- Department of Biochemistry and Biophysics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, United States
| | - James Shorter
- Department of Biochemistry and Biophysics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, United States
| | - Sua Myong
- Program in Cell, Molecular, Developmental Biology, and Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Physics Frontier Center (Center for the Physics of Living Cells), University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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Duma L, Ahel I. The function and regulation of ADP-ribosylation in the DNA damage response. Biochem Soc Trans 2023; 51:995-1008. [PMID: 37171085 PMCID: PMC10317172 DOI: 10.1042/bst20220749] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/27/2023] [Accepted: 05/02/2023] [Indexed: 05/13/2023]
Abstract
ADP-ribosylation is a post-translational modification involved in DNA damage response (DDR). In higher organisms it is synthesised by PARP 1-3, DNA strand break sensors. Recent advances have identified serine residues as the most common targets for ADP-ribosylation during DDR. To ADP-ribosylate serine, PARPs require an accessory factor, HPF1 which completes the catalytic domain. Through ADP-ribosylation, PARPs recruit a variety of factors to the break site and control their activities. However, the timely removal of ADP-ribosylation is also key for genome stability and is mostly performed by two hydrolases: PARG and ARH3. Here, we describe the key writers, readers and erasers of ADP-ribosylation and their contribution to the mounting of the DDR. We also discuss the use of PARP inhibitors in cancer therapy and the ways to tackle PARPi treatment resistance.
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Affiliation(s)
- Lena Duma
- Sir William Dunn School of Pathology, University of Oxford, Oxford, U.K
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford, U.K
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9
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Fontana P, Buch-Larsen SC, Suyari O, Smith R, Suskiewicz MJ, Schützenhofer K, Ariza A, Rack JGM, Nielsen ML, Ahel I. Serine ADP-ribosylation in Drosophila provides insights into the evolution of reversible ADP-ribosylation signalling. Nat Commun 2023; 14:3200. [PMID: 37268618 PMCID: PMC10238386 DOI: 10.1038/s41467-023-38793-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 05/16/2023] [Indexed: 06/04/2023] Open
Abstract
In the mammalian DNA damage response, ADP-ribosylation signalling is of crucial importance to mark sites of DNA damage as well as recruit and regulate repairs factors. Specifically, the PARP1:HPF1 complex recognises damaged DNA and catalyses the formation of serine-linked ADP-ribosylation marks (mono-Ser-ADPr), which are extended into ADP-ribose polymers (poly-Ser-ADPr) by PARP1 alone. Poly-Ser-ADPr is reversed by PARG, while the terminal mono-Ser-ADPr is removed by ARH3. Despite its significance and apparent evolutionary conservation, little is known about ADP-ribosylation signalling in non-mammalian Animalia. The presence of HPF1, but absence of ARH3, in some insect genomes, including Drosophila species, raises questions regarding the existence and reversal of serine-ADP-ribosylation in these species. Here we show by quantitative proteomics that Ser-ADPr is the major form of ADP-ribosylation in the DNA damage response of Drosophila melanogaster and is dependent on the dParp1:dHpf1 complex. Moreover, our structural and biochemical investigations uncover the mechanism of mono-Ser-ADPr removal by Drosophila Parg. Collectively, our data reveal PARP:HPF1-mediated Ser-ADPr as a defining feature of the DDR in Animalia. The striking conservation within this kingdom suggests that organisms that carry only a core set of ADP-ribosyl metabolising enzymes, such as Drosophila, are valuable model organisms to study the physiological role of Ser-ADPr signalling.
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Affiliation(s)
- Pietro Fontana
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
| | - Sara C Buch-Larsen
- Proteomics program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen, Denmark
| | - Osamu Suyari
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK
| | - Rebecca Smith
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK
| | - Marcin J Suskiewicz
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK
- Centre de Biophysique Moléculaire, UPR4301 CNRS, rue Charles Sadron, CEDEX 2, F-45071, Orléans, France
| | - Kira Schützenhofer
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK
| | - Antonio Ariza
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK.
- School of Biosciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK.
| | - Johannes Gregor Matthias Rack
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK.
- MRC Centre for Medical Mycology, School of Biosciences, University of Exeter, Geoffrey Pope Building, Exeter, EX4 4QD, UK.
| | - Michael L Nielsen
- Proteomics program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen, Denmark.
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK.
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Longarini EJ, Dauben H, Locatelli C, Wondisford AR, Smith R, Muench C, Kolvenbach A, Lynskey ML, Pope A, Bonfiglio JJ, Jurado EP, Fajka-Boja R, Colby T, Schuller M, Ahel I, Timinszky G, O'Sullivan RJ, Huet S, Matic I. Modular antibodies reveal DNA damage-induced mono-ADP-ribosylation as a second wave of PARP1 signaling. Mol Cell 2023; 83:1743-1760.e11. [PMID: 37116497 PMCID: PMC10205078 DOI: 10.1016/j.molcel.2023.03.027] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 02/14/2023] [Accepted: 03/27/2023] [Indexed: 04/30/2023]
Abstract
PARP1, an established anti-cancer target that regulates many cellular pathways, including DNA repair signaling, has been intensely studied for decades as a poly(ADP-ribosyl)transferase. Although recent studies have revealed the prevalence of mono-ADP-ribosylation upon DNA damage, it was unknown whether this signal plays an active role in the cell or is just a byproduct of poly-ADP-ribosylation. By engineering SpyTag-based modular antibodies for sensitive and flexible detection of mono-ADP-ribosylation, including fluorescence-based sensors for live-cell imaging, we demonstrate that serine mono-ADP-ribosylation constitutes a second wave of PARP1 signaling shaped by the cellular HPF1/PARP1 ratio. Multilevel chromatin proteomics reveals histone mono-ADP-ribosylation readers, including RNF114, a ubiquitin ligase recruited to DNA lesions through a zinc-finger domain, modulating the DNA damage response and telomere maintenance. Our work provides a technological framework for illuminating ADP-ribosylation in a wide range of applications and biological contexts and establishes mono-ADP-ribosylation by HPF1/PARP1 as an important information carrier for cell signaling.
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Affiliation(s)
- Edoardo José Longarini
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Helen Dauben
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Carolina Locatelli
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Anne R Wondisford
- Department of Pharmacology and Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Rebecca Smith
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes) - UMR 6290, BIOSIT (Biologie, Santé, Innovation Technologique de Rennes) - UMS 3480, US 018, 35000 Rennes, France
| | - Charlotte Muench
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Andreas Kolvenbach
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Michelle Lee Lynskey
- Department of Pharmacology and Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Alexis Pope
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Juan José Bonfiglio
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Eva Pinto Jurado
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes) - UMR 6290, BIOSIT (Biologie, Santé, Innovation Technologique de Rennes) - UMS 3480, US 018, 35000 Rennes, France; Laboratory of DNA Damage and Nuclear Dynamics, Institute of Genetics, Biological Research Centre, Eötvös Loránd Research Network (ELKH), 6276 Szeged, Hungary; Doctoral School of Multidisciplinary Medical Sciences, University of Szeged, 6276 Szeged, Hungary
| | - Roberta Fajka-Boja
- Laboratory of DNA Damage and Nuclear Dynamics, Institute of Genetics, Biological Research Centre, Eötvös Loránd Research Network (ELKH), 6276 Szeged, Hungary; Department of Immunology, Albert Szent-Györgyi Medical School, Faculty of Science and Informatics, University of Szeged, 6720 Szeged, Hungary
| | - Thomas Colby
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Marion Schuller
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Gyula Timinszky
- Laboratory of DNA Damage and Nuclear Dynamics, Institute of Genetics, Biological Research Centre, Eötvös Loránd Research Network (ELKH), 6276 Szeged, Hungary
| | - Roderick J O'Sullivan
- Department of Pharmacology and Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sébastien Huet
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes) - UMR 6290, BIOSIT (Biologie, Santé, Innovation Technologique de Rennes) - UMS 3480, US 018, 35000 Rennes, France; Institut Universitaire de France, Paris, France.
| | - Ivan Matic
- Research Group of Proteomics and ADP-Ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany; Cologne Excellence Cluster for Stress Responses in Ageing-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany.
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11
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Yamashita S, Bu X, Ishiwata-Endo H, Kato J, Springer D, Noguchi A, Peiravi M, Liu C, Zhang F, Yu ZX, Clevenger R, Keeran K, San H, Lizak MJ, Moss J. A PARP inhibitor, rucaparib, improves cardiac dysfunction in ADP-ribose-acceptor hydrolase 3 ( Arh3 ) deficiency. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.07.527369. [PMID: 36945462 PMCID: PMC10028743 DOI: 10.1101/2023.02.07.527369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Aims Patients with ADP-ribose-acceptor hydrolase 3 ( ARH3 ) deficiency exhibit stress-induced childhood-onset neurodegeneration with ataxia and seizures (CONDSIAS). ARH3 degrades protein-linked poly(ADP- ribose) (PAR) synthesized by poly(ADP-ribose)polymerase (PARP)-1 during oxidative stress, leading to cleavage of the ADP-ribose linked to protein. ARH3 deficiency leads to excess accumulation of PAR, resulting in PAR-dependent cell death or parthanatos. Approximately one-third of patients with homozygous mutant ARH3 die from cardiac arrest, which has been described as neurogenic, suggesting that ARH3 may play an important role in maintaining myocardial function. To address this question, cardiac function was monitored in Arh3 -knockout (KO) and - heterozygous (HT) mice. Methods and results Arh3 -KO male mice displayed cardiac hypertrophy by histopathology and decreased cardiac contractility assessed by MRI. In addition, both genders of Arh3 -KO and -HT mice showed decreased cardiac contractility by dobutamine stress test assessed by echocardiography. A direct role of ARH3 on myocardial function was seen with a Langendorff-perfused isolated heart model . Arh3 -KO male mouse hearts showed decreased post-ischemic rate pressure products, increased size of ischemia-reperfusion (IR) infarcts, and elevated PAR levels. Consistently, in vivo IR injury showed enhanced infarct size in Arh3 -KO mice in both genders. In addition, Arh3 -HT male mice showed increased size of in vivo IR infarcts. Treatment with an FDA-approved PARP inhibitor, rucaparib, improved cardiac contractility during dobutamine-induced stress and exhibited reduced size of in vivo IR infarcts. To understand better the role of ARH3, CRISPR-Cas9 was used to generate different Arh3 genotypes of myoblasts and myotubes. Incubation with H2O2 decreased viability of Arh3 -KO and -HT myoblasts and myotubes, resulting in PAR-dependent cell death that was reduced by PARP inhibitors or by transfection with the Arh3 gene. Conclusion ARH3 regulates PAR homeostasis in myocardium to preserve function and protect against oxidative stress; PARP inhibitors reduce the myocardial dysfunction seen with Arh3 mutations.
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12
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Manti S, Gitto E, Ceravolo I, Mancuso A, Ceravolo A, Salpietro A, Farello G, Chimenz R, Iapadre G, Battaglia F, Cuppari C. A Brief Focus on Joubert Syndrome and Related Acute Complications. JOURNAL OF PEDIATRIC NEUROLOGY 2023. [DOI: 10.1055/s-0042-1760240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AbstractJoubert syndrome (JS) and related disorders are a group of congenital anomalies syndromes in which the obligatory hallmark is the molar tooth sign, a complex midbrain–hindbrain malformation. Moreover, JS may be associated with multiorgan involvement, mainly nephronophthisis, hepatic fibrosis, retinal dystrophy, and other abnormalities with both inter- and intra-familial variability. Therefore, these patients should be followed by both diagnostic protocol and multidisciplinary approach to assess multiorgan involvement. Here, we briefly summarize the possible complications in patients with JS.
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Affiliation(s)
- Sara Manti
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Eloisa Gitto
- Neonatal and Pediatric Intensive Care Unit, Department of Human Pathology in Adult and Developmental Age Gaetano Barresi, University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Alessio Mancuso
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | | | | | - Giovanni Farello
- Department of Life, Health and Environmental Sciences, Pediatric Clinic, Coppito (AQ), Italy
| | - Roberto Chimenz
- Unit of Pediatric Nephrology and Rheumatology, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Francesco Battaglia
- Department of Biomedical Sciences and Advanced Therapies, Orthopaedic Clinic, University of Ferrara, Ferrara, Italy
| | - Caterina Cuppari
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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13
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Amorini M, Iapadre G, Mancuso A, Ceravolo I, Farello G, Scardamaglia A, Gramaglia S, Ceravolo A, Salpietro A, Cuppari C. An Overview of Genes Involved in the Pure Joubert Syndrome and in Joubert Syndrome-Related Disorders (JSRD). JOURNAL OF PEDIATRIC NEUROLOGY 2023. [DOI: 10.1055/s-0042-1760242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AbstractJoubert syndrome (JS) is a rare autosomal recessive disease characterized by a peculiar brain malformation, hypotonia, ataxia, developmental delay, abnormal eye movements, and neonatal breathing abnormalities. This picture is often associated with variable multiorgan involvement, mainly of the retina, kidneys and liver, defining a group of conditions termed syndrome and Joubert syndrome-related disorders (JSRD). Currently, more than 30 causative genes have been identified, involved in the development and stability of the primary cilium. Correlations genotype–phenotype are emerging between clinical presentations and mutations in JSRD genes, with implications in terms of molecular diagnosis, prenatal diagnosis, follow-up, and management of mutated patients.
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Affiliation(s)
- Maria Amorini
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Alessio Mancuso
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Giovanni Farello
- Department of Life, Health and Environmental Sciences, Pediatric Clinic, Coppito (AQ), Italy
| | - Annarita Scardamaglia
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Simone Gramaglia
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | | | | | - Caterina Cuppari
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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14
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Prato A, Scuderi A, Amore G, Spoto G, Salpietro V, Ceravolo A, Farello G, Iapadre G, Pironti E, Dicanio D, Rosa GD. Epilepsy in Joubert Syndrome: A Still Few Explored Matter. JOURNAL OF PEDIATRIC NEUROLOGY 2023. [DOI: 10.1055/s-0042-1759540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AbstractEpilepsy is rarely associated with Joubert's syndrome and related disorders (JSRD), being reported only in 3% of cases. Few patients have been described, moreover, with poor evidences of specific seizures' semiology or standard of practice for pharmacological treatment. Epilepsy is likely to be related to brain malformations in ciliopathies. Beyond the typical hindbrain malformation, the molar tooth sign, other cerebral anomalies variably reported in JSRD, such as generalized polymicrogyria, hamartomas, periventricular nodular heterotopia, and hippocampal defects, have been described. Herein, we aimed to revise the main clinical and etiopathogenetic characteristics of epilepsy associated with JSRD.
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Affiliation(s)
- Adriana Prato
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Anna Scuderi
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Greta Amore
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giulia Spoto
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | | | | | - Giovanni Farello
- Department of Life, Health and Environmental Sciences, Pediatric Clinic, Coppito, L'Aquila, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Erica Pironti
- Department of Woman-Child, Unit of Child Neurology and Psychiatry, Ospedali Riuniti, University of Foggia, Foggia, Italy
| | - Daniela Dicanio
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Gabriella Di Rosa
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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15
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Stroscio G, Cuppari C, Ceravolo MD, Salpietro A, Battaglia F, Sallemi A, Fusco M, Ceravolo A, Iapadre G, Calì E, Impollonia D, Granata F. Radiological Features of Joubert's Syndrome. JOURNAL OF PEDIATRIC NEUROLOGY 2023. [DOI: 10.1055/s-0042-1760241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AbstractJoubert syndrome (JS) is a rare autosomal recessive disorder. All patients affected by this syndrome presented a characteristic picture of cranial fossa malformations, called “molar tooth sign.” This sign is defined by the presence in axial section at the level of a deck/midbrain, of hypo/dysplasia of the cerebellar vermis, abnormally deep interpeduncular fossa and horizontalized thickened and elongated superior cerebellar peduncles. Although “molar tooth sign” is peculiar of JS, other radiological findings have been also reported in these patients. Here, the authors briefly assumed the principal magnetic resonance imaging findings of JS.
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Affiliation(s)
- Giovanni Stroscio
- Unit of Radiology, Department of Human Pathology in Adulthood and Childhood “G. Barresi,” University Hospital of Messina, Messina, Italy
| | - Caterina Cuppari
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Maria Domenica Ceravolo
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | | | - Francesco Battaglia
- Orthopaedic and Traumatology Department, “S. Anna” Hospital, University of Ferrara, Ferrara, Italy
| | - Alessia Sallemi
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Monica Fusco
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | | | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Elisa Calì
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, United Kingdom
| | - Daniela Impollonia
- Unit of Radiology, Department of Human Pathology in Adulthood and Childhood “G. Barresi,” University Hospital of Messina, Messina, Italy
| | - Francesca Granata
- Unit of Radiology, Department of Human Pathology in Adulthood and Childhood “G. Barresi,” University Hospital of Messina, Messina, Italy
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16
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Cuppari C, Ceravolo I, Mancuso A, Farello G, Iapadre G, Zagaroli L, Nanni G, Ceravolo MD. Joubert Syndrome: Diagnostic Evaluation and Follow-up. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
AbstractThe follow-up of a child with genetic syndrome is necessarily multidisciplinary because of the multiplicity of problems and calls for close collaboration between different specialists. The primary objective is the total care of the child and his family, regardless of the rarity and complexity of the disease, to obtain the highest possible degree of mental and physical health and autonomy.
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Affiliation(s)
- Caterina Cuppari
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Alessio Mancuso
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giovanni Farello
- Pediatric Clinic–Department of Life, Health and Environmental Sciences–Piazzale Salvatore, Coppito (AQ), Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, Via Vetoio, L'Aquila, Italy
| | - Luca Zagaroli
- Department of Pediatrics, University of L'Aquila, Via Vetoio, L'Aquila, Italy
| | - Giuliana Nanni
- Department of Pediatrics, University of L'Aquila, Via Vetoio, L'Aquila, Italy
| | - Maria Domenica Ceravolo
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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17
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Spoto G, Pironti E, Amore G, Prato A, Scuderi A, Colucci PV, Ceravolo I, Farello G, Salpietro V, Iapadre G, Rosa GD, Dicanio D. Alström's Syndrome: Neurological Manifestations and Genetics. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractAlström syndrome (ALMS) is a rare ciliopathy with pleiotropic and wide spectrum of clinical features. It is autosomal recessively inherited and associated with mutations in ALMS1, a gene involved in cilia functioning. High clinical heterogeneity is the main feature of ALMS. Cone-rod dystrophy with blindness, hearing loss, obesity, insulin resistance and hyperinsulinemia, type 2 diabetes mellitus, hypertriglyceridemia, endocrine abnormalities, cardiomyopathy, and renal, hepatic, and pulmonary anomalies are the most common signs and symptoms.
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Affiliation(s)
- Giulia Spoto
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Erica Pironti
- Unit of Child Neurology and Psychiatry, Department of Woman-Child, OspedaliRiuniti, University of Foggia, Foggia, Italy
| | - Greta Amore
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Adriana Prato
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Anna Scuderi
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Pia V. Colucci
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Giovanni Farello
- Department of Life, Health and Environmental Sciences, Pediatric Clinic, Coppito, L'Aquila, Italy
| | | | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Gabriella Di Rosa
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Daniela Dicanio
- Unit of Child Neurology and Psychiatry, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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18
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Valentini G, Saia M, Farello G, Salpietro V, Mancuso A, Ceravolo I, Colucci PV, Torre M, Iapadre G, Rosa GD, Cucinotta F. Meckel Syndrome: A Clinical and Molecular Overview. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractMeckel syndrome (MKS) is a lethal, autosomal recessive, congenital syndrome caused by mutations in genes that encode proteins structurally or functionally related to the primary cilium. MKS is a malformative syndrome, most commonly characterized by occipital meningoencephalocele, polycystic kidney disease, liver fibrosis, and post- and (occasionally) preaxial polydactyly. To date, more than 10 genes are known to constitute the molecular background of MKS, displaying genetic heterogeneity. Individuals with MKS may resemble some phenotypic features of Joubert syndrome and related disorders, thus making diagnostic setting quite challenging. Here, we systematically reviewed the main clinical and genetic characteristics of MKS and its role among ciliopathies.
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Affiliation(s)
- Giulia Valentini
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “G. Barresi,” University Hospital of Messina, Messina, Italy
| | - Maria Saia
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “G. Barresi,” University Hospital of Messina, Messina, Italy
| | - Giovanni Farello
- Pediatric Clinic–Department of Life, Health and Environmental Sciences–Piazzale Salvatore Tommasi 1, Coppito (AQ), Italy
| | | | - Alessio Mancuso
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, Messina, Italy
| | - Pia V. Colucci
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “G. Barresi,” University Hospital of Messina, Messina, Italy
| | - Manuela Torre
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “G. Barresi,” University Hospital of Messina, Messina, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Gabriella Di Rosa
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “G. Barresi,” University Hospital of Messina, Messina, Italy
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19
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Mancuso A, Ceravolo I, Cuppari C, Sallemi A, Fusco M, Ceravolo A, Farello G, Iapadre G, Zagaroli L, Nanni G, Conti G. The Function and Role of the Cilium in the Development of Ciliopathies. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Abstract“Ciliopathies” are a group of genetic disorders described by the malformation or dysfunction of cilia. The disorders of ciliary proteins lead to a range of phenotype from organ-specific (e.g., cystic disease of the kidney, liver, and pancreas, neural tube defects, postaxial polydactyly, situs inversus, and retinal degeneration) to sketchily pleiotropic (e.g., Bardet-Biedl syndrome and Joubert syndrome). The mechanism below the disfunction of cilia to reach new therapeutic strategies.
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Affiliation(s)
- Alessio Mancuso
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Caterina Cuppari
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | - Alessia Sallemi
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | - Monica Fusco
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | | | - Giovanni Farello
- Pediatric Clinic–Department of Life, Health and Environmental Sciences–Piazzale Salvatore, Coppito (AQ), Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, Via Vetoio, 1. Coppito, 67100 L'Aquila, Italy
| | - Luca Zagaroli
- Department of Pediatrics, University of L'Aquila, Via Vetoio, 1. Coppito, 67100 L'Aquila, Italy
| | - Giuliana Nanni
- Department of Pediatrics, University of L'Aquila, Via Vetoio, 1. Coppito, 67100 L'Aquila, Italy
| | - Giovanni Conti
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Pediatric Nephrology and Rheumatology, University of Messina, Messina, Italy
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20
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Scuderi A, Prato A, Dicanio D, Spoto G, Salpietro V, Ceravolo G, Granata F, Farello G, Iapadre G, Zagaroli L, Nanni G, Ceravolo I, Pironti E, Amore G, Rosa GD. Age-Related Neurodevelopmental Features in Children with Joubert Syndrome. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractJoubert syndrome (JS) is a rare inherited disorder of central nervous system with neonatal/infantile onset, mainly affecting cerebellum and brainstem, and clinically characterized by agenesis or dysgenesis of the cerebellar vermis with accompanying brainstem malformations. More than 20 disease-causing genes have been associated with JS but a clear genotype–phenotype correlation has not been assessed yet. Diagnosis is usually confirmed by detection of the JS neuroradiological hallmark, the molar tooth sign. Patients with JS typically present with neurological manifestations, moreover, a heterogeneous spectrum of multisystemic anomalies may be observed. Signs and symptoms onset varies according to the age range and clinical diagnosis might become complicated. Moreover, specific neurodevelopmental disorders can be associated with JS such as autism spectrum disorders, attention deficit with hyperactivity, and a wide range of behavioral disturbances. Here, we examined the main neurological and neurodevelopmental features of JS according to an age-dependent mode of presentation. Furthermore, differential diagnosis with other neurological syndromes was closely reviewed.
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Affiliation(s)
- Anna Scuderi
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Adriana Prato
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Daniela Dicanio
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giulia Spoto
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | | | - Giorgia Ceravolo
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Francesca Granata
- Department of Biomedical Sciences and Morphological and Functional, University of Messina, Messina, Italy
| | - Giovanni Farello
- Department of Life, Health and Environmental Sciences, Pediatric Clinic, Coppito (AQ), Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Luca Zagaroli
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Giuliana Nanni
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Erica Pironti
- Department of Woman-Child, Unit of Child Neurology and Psychiatry, Ospedali Riuniti, University of Foggia, Foggia, Italy
| | - Greta Amore
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Gabriella Di Rosa
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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21
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La Macchia T, Mancuso A, Ceravolo MD, Cuppari C, Chimenz R, Farello G, Gitto E, Iapadre G, Ceravolo I. Alström Syndrome: A Systematic Review. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractAlström syndrome (AS) is a rare multisystem disorder characterized by cone-rod retinal dystrophy leading to vision loss, hearing deficiency, obesity, type 2 diabetes mellitus, and insulin resistance with hyperinsulinemia. The conditions include dilated cardiomyopathy, recurrent fibrotic pulmonary infections, and progressive renal, hepatic, and endocrinological dysfunction. Other clinical findings consist of thyroid problems, short height, and growth hormone insufficiency. In addition, patients present with normal IQ, but in some cases delay in psychomotor and cognitive development is described. There is no treatment for AS, and life expectancy is around 40 years. However, an early identification of the disease can help in reducing the progression to severe conditions and in ameliorating the patient's quality of life. Our intent was to analyze the clinical data in literature on AS and provide an up-to-date review.
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Affiliation(s)
- Tommaso La Macchia
- Unit of Cardiology, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Alessio Mancuso
- Department of Human Pathology and Evolutive Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Maria Domenica Ceravolo
- Department of Human Pathology and Evolutive Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Caterina Cuppari
- Department of Human Pathology and Evolutive Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Roberto Chimenz
- Faculty of Medicine and Surgery, University of Messina, Messina, Italy
| | - Giovanni Farello
- Pediatric Clinic–Department of Life, Health and Environmental Sciences–Piazzale Salvatore Tommasi 1, Coppito (AQ), Italy
| | - Eloisa Gitto
- Neonatal and Pediatric Intensive Care Unit, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
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22
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Amore G, Spoto G, Scuderi A, Prato A, Dicanio D, Nicotera A, Farello G, Chimenz R, Ceravolo I, Salpietro V, Gitto E, Ceravolo G, Iapadre G, Rosa GD, Pironti E. Bardet–Biedl Syndrome: A Brief Overview on Clinics and Genetics. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractBardet–Biedl syndrome is a genetically pleiotropic disorder characterized by high clinical heterogeneity with severe multiorgan impairment. Clinically, it encompasses primary and secondary manifestations, mainly including retinal dystrophy, mental retardation, obesity, polydactyly, hypogonadism in male, and renal abnormalities. At least 21 different genes have been identified, all involved into primary cilium structure or function. To date, genotype–phenotype correlation is still poor.
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Affiliation(s)
- Greta Amore
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Child Neurology and Psychiatry, University of Messina, Messina, Italy
| | - Giulia Spoto
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Child Neurology and Psychiatry, University of Messina, Messina, Italy
| | - Anna Scuderi
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Child Neurology and Psychiatry, University of Messina, Messina, Italy
| | - Adriana Prato
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Child Neurology and Psychiatry, University of Messina, Messina, Italy
| | - Daniela Dicanio
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Child Neurology and Psychiatry, University of Messina, Messina, Italy
| | - Antonio Nicotera
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Child Neurology and Psychiatry, University of Messina, Messina, Italy
| | - Giovanni Farello
- Pediatric Clinic–Department of Life, Health and Environmental Sciences–Piazzale Salvatore Tommasi 1, Coppito (AQ), Italy
| | - Roberto Chimenz
- Faculty of Medicine and Surgery, University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | | | - Eloisa Gitto
- Neonatal and Pediatric Intensive Care Unit, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giorgia Ceravolo
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Gabriella Di Rosa
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” Unit of Child Neurology and Psychiatry, University of Messina, Messina, Italy
| | - Erica Pironti
- Department of Woman-Child, Unit of Child Neurology and Psychiatry, Ospedali Riuniti, University of Foggia, Foggia, Italy
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23
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Ceravolo I, Granata F, Gitto E, Iapadre G, Chimenz R, Giannitto N, Mancuso A, Ceravolo MD, Macchia TL, Rissotto F, Farello G, Cuppari C. Ophthalmological Findings in Joubert Syndrome and Related Disorders. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractJoubert syndrome (JS) is a rare genetic condition characterized by congenital malformation of the mid-hindbrain, cerebellar ataxia, hypotonia, oculomotor apraxia, hypoplasia of the cerebellar vermis resulting in breathing defects, ataxia, and delayed development. Ophthalmological examination reveals eye involvement with nystagmus and retinal defects. Genetic counseling is important for the prevention of new cases. Great advances have been made in recent years. Management is symptomatic and multidisciplinary. In the present review, we discussed the most frequent ophthalmological anomalies associated with JS and speculated on the role of ciliary physiology in eye development.
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Affiliation(s)
- Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | | | - Eloisa Gitto
- Neonatal and Pediatric Intensive Care Unit, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | - Roberto Chimenz
- Faculty of Medicine and Surgery, University of Messina, Messina, Italy
| | - Nino Giannitto
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Alessio Mancuso
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Maria Domenica Ceravolo
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Tommaso La Macchia
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Federico Rissotto
- Department of Ophthalmology, Scientific Institute San Raffaele Hospital, Milan, Italy
| | - Giovanni Farello
- Pediatric Clinic–Department of Life, Health and Environmental Sciences–Piazzale Salvatore, Coppito (AQ), Italy
| | - Caterina Cuppari
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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24
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Cuppari C, Salpietro A, Ceravolo I, Iapadre G, Fusco M, Sallemi A, Mancuso A, Farello G, Ceravolo MD. Ciliopathies: Genetic Counseling. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
AbstractJoubert syndrome (JS) follows autosomal recessive inheritance, with rare X-linked recessive cases. The disease is genetically heterogeneous with neurological features associated with multiorgan involvement (e.g., retinal dystrophy, nephronophthisis, hepatic fibrosis, and polydactyly). The incidence of JS and related disorders is between 1/80,000 and 1/100,000 live births. Many causative genes have been identified, all encoding for proteins of the cilium or the centrosome, making the JS part of a group of diseases called “ciliopathies.” The identification of the molecular defect in couples at risk is allowed by prenatal genetic testing, whereas fetal ultrasound and brain neuroimaging are informative in the first and second trimester of pregnancy.
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Affiliation(s)
- Caterina Cuppari
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | | | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, Coppito, Italy
| | - Monica Fusco
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Alessia Sallemi
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Alessio Mancuso
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giovanni Farello
- Pediatric Clinic, Department of Life, Health and Environmental Sciences, University of L'Aquila, Coppito (AQ), Italy
| | - Maria Domenica Ceravolo
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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25
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Conti G, Farello G, Ceravolo MD, Fusco M, Cuppari C, Mancuso A, Ceravolo I, David E, Iapadre G, Scorrano G, Fiorile MF, Chimenz R. Joubert Syndrome and Renal Implication. JOURNAL OF PEDIATRIC NEUROLOGY 2022. [DOI: 10.1055/s-0042-1759541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
AbstractTwenty-five to 30% of patients with Joubert syndrome (JS) have renal involvement. Two forms of renal disease (RD) have traditionally been described. The less common form is the Dekaban–Arima syndrome, a JS RD that includes congenital blindness and occasional encephalocele. The other, more common RD is juvenile nephronophthisis (NPHP), that presents a progressive interstitial fibrosis, associated with small cysts at the corticomedullary junction. NPHP is the most frequent genetic cause for end-stage RD in the first three decades of life. Symptoms start at approximately 6 years of age with urine concentrating defects, polydipsia, polyuria, and secondary enuresis.
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Affiliation(s)
- Giovanni Conti
- Unit of Pediatric Nephrology and Rheumatology, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Giovanni Farello
- Department of Life, Health and Environmental Sciences, Pediatric Clinic, Coppito (AQ), Italy
| | - Maria Domenica Ceravolo
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Monica Fusco
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Caterina Cuppari
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Alessio Mancuso
- Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
| | - Ida Ceravolo
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Emanuele David
- Ragnostic Unit, A. O. Papardo, Messina, Italy
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Giulia Iapadre
- Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
| | | | | | - Roberto Chimenz
- Unit of Pediatric Nephrology and Rheumatology, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
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26
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Ishiwata-Endo H, Kato J, Yamashita S, Chea C, Koike K, Lee DY, Moss J. ARH Family of ADP-Ribose-Acceptor Hydrolases. Cells 2022; 11:3853. [PMID: 36497109 PMCID: PMC9738213 DOI: 10.3390/cells11233853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/17/2022] [Accepted: 11/26/2022] [Indexed: 12/05/2022] Open
Abstract
The ARH family of ADP-ribose-acceptor hydrolases consists of three 39-kDa members (ARH1-3), with similarities in amino acid sequence. ARH1 was identified based on its ability to cleave ADP-ribosyl-arginine synthesized by cholera toxin. Mammalian ADP-ribosyltransferases (ARTCs) mimicked the toxin reaction, with ARTC1 catalyzing the synthesis of ADP-ribosyl-arginine. ADP-ribosylation of arginine was stereospecific, with β-NAD+ as substrate and, α-anomeric ADP-ribose-arginine the reaction product. ARH1 hydrolyzed α-ADP-ribose-arginine, in addition to α-NAD+ and O-acetyl-ADP-ribose. Thus, ADP-ribose attached to oxygen-containing or nitrogen-containing functional groups was a substrate. Arh1 heterozygous and knockout (KO) mice developed tumors. Arh1-KO mice showed decreased cardiac contractility and developed myocardial fibrosis. In addition to Arh1-KO mice showed increased ADP-ribosylation of tripartite motif-containing protein 72 (TRIM72), a membrane-repair protein. ARH3 cleaved ADP-ribose from ends of the poly(ADP-ribose) (PAR) chain and released the terminal ADP-ribose attached to (serine)protein. ARH3 also hydrolyzed α-NAD+ and O-acetyl-ADP-ribose. Incubation of Arh3-KO cells with H2O2 resulted in activation of poly-ADP-ribose polymerase (PARP)-1, followed by increased nuclear PAR, increased cytoplasmic PAR, leading to release of Apoptosis Inducing Factor (AIF) from mitochondria. AIF, following nuclear translocation, stimulated endonucleases, resulting in cell death by Parthanatos. Human ARH3-deficiency is autosomal recessive, rare, and characterized by neurodegeneration and early death. Arh3-KO mice developed increased brain infarction following ischemia-reperfusion injury, which was reduced by PARP inhibitors. Similarly, PARP inhibitors improved survival of Arh3-KO cells treated with H2O2. ARH2 protein did not show activity in the in vitro assays described above for ARH1 and ARH3. ARH2 has a restricted tissue distribution, with primary involvement of cardiac and skeletal muscle. Overall, the ARH family has unique functions in biological processes and different enzymatic activities.
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Affiliation(s)
- Hiroko Ishiwata-Endo
- Laboratory of Translational Research, Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Jiro Kato
- Laboratory of Translational Research, Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sachiko Yamashita
- Laboratory of Translational Research, Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Chanbora Chea
- Laboratory of Translational Research, Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Kazushige Koike
- Laboratory of Translational Research, Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Duck-Yeon Lee
- Biochemistry Core, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Joel Moss
- Laboratory of Translational Research, Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
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27
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Bajaj S, Shah P, Shah A, Setty PN, Seenappa V, Hingwala D. An Indian Child with CONDSIAS Due to a Novel Variant in ADPRHL2 Gene. Ann Indian Acad Neurol 2022; 25:1190-1192. [PMID: 36911439 PMCID: PMC9996498 DOI: 10.4103/aian.aian_558_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/24/2022] [Accepted: 07/29/2022] [Indexed: 11/04/2022] Open
Affiliation(s)
- Shruti Bajaj
- The Purple Gene Clinic, Mumbai, Maharashtra, India
| | - Poornima Shah
- Dr. Poornima's Neurodiagnosis Clinic, Mumbai, Maharashtra, India
| | - Amit Shah
- Criticare Hospital, Mumbai, Maharashtra, India
| | - Phani N. Setty
- Division of Molecular Genetics, LifeCell International Pvt Ltd, Chennai, Tamil Nadu, India
| | - Venu Seenappa
- Division of Molecular Genetics, LifeCell International Pvt Ltd, Chennai, Tamil Nadu, India
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28
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Longarini EJ, Matic I. The fast-growing business of Serine ADP-ribosylation. DNA Repair (Amst) 2022; 118:103382. [DOI: 10.1016/j.dnarep.2022.103382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 11/03/2022]
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29
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Schobers G, Schieving JH, Yntema HG, Pennings M, Pfundt R, Derks R, Hofste T, de Wijs I, Wieskamp N, van den Heuvel S, Galbany JC, Gilissen C, Nelen M, Brunner HG, Kleefstra T, Kamsteeg EJ, Willemsen MAAP, Vissers LELM. Reanalysis of exome negative patients with rare disease: a pragmatic workflow for diagnostic applications. Genome Med 2022; 14:66. [PMID: 35710456 PMCID: PMC9204949 DOI: 10.1186/s13073-022-01069-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 06/07/2022] [Indexed: 11/10/2022] Open
Abstract
Background Approximately two third of patients with a rare genetic disease remain undiagnosed after exome sequencing (ES). As part of our post-test counseling procedures, patients without a conclusive diagnosis are advised to recontact their referring clinician to discuss new diagnostic opportunities in due time. We performed a systematic study of genetically undiagnosed patients 5 years after their initial negative ES report to determine the efficiency of diverse reanalysis strategies. Methods We revisited a cohort of 150 pediatric neurology patients originally enrolled at Radboud University Medical Center, of whom 103 initially remained genetically undiagnosed. We monitored uptake of physician-initiated routine clinical and/or genetic re-evaluation (ad hoc re-evaluation) and performed systematic reanalysis, including ES-based resequencing, of all genetically undiagnosed patients (systematic re-evaluation). Results Ad hoc re-evaluation was initiated for 45 of 103 patients and yielded 18 diagnoses (including 1 non-genetic). Subsequent systematic re-evaluation identified another 14 diagnoses, increasing the diagnostic yield in our cohort from 31% (47/150) to 53% (79/150). New genetic diagnoses were established by reclassification of previously identified variants (10%, 3/31), reanalysis with enhanced bioinformatic pipelines (19%, 6/31), improved coverage after resequencing (29%, 9/31), and new disease-gene associations (42%, 13/31). Crucially, our systematic study also showed that 11 of the 14 further conclusive genetic diagnoses were made in patients without a genetic diagnosis that did not recontact their referring clinician. Conclusions We find that upon re-evaluation of undiagnosed patients, both reanalysis of existing ES data as well as resequencing strategies are needed to identify additional genetic diagnoses. Importantly, not all patients are routinely re-evaluated in clinical care, prolonging their diagnostic trajectory, unless systematic reanalysis is facilitated. We have translated our observations into considerations for systematic and ad hoc reanalysis in routine genetic care. Supplementary Information The online version contains supplementary material available at 10.1186/s13073-022-01069-z.
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Affiliation(s)
- Gaby Schobers
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
| | - Jolanda H Schieving
- Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands.,Department of Pediatric Neurology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Helger G Yntema
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Maartje Pennings
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Rolph Pfundt
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ronny Derks
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Tom Hofste
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ilse de Wijs
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Nienke Wieskamp
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Simone van den Heuvel
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jordi Corominas Galbany
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
| | - Christian Gilissen
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
| | - Marcel Nelen
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Han G Brunner
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands.,Department of Clinical Genetics, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Tjitske Kleefstra
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
| | - Erik-Jan Kamsteeg
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Michèl A A P Willemsen
- Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands.,Department of Pediatric Neurology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Lisenka E L M Vissers
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands. .,Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands.
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30
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Ma J, Qian Q, Yan S, Dou H, Li C, Sun D. Child-Onset Cerebellar Ataxia Caused by Two Compound Heterozygous Variants in ADPRS Gene: A Case Report. Front Genet 2022; 12:788702. [PMID: 35664652 PMCID: PMC9160522 DOI: 10.3389/fgene.2021.788702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 12/13/2021] [Indexed: 12/04/2022] Open
Abstract
Background: Gene variants of ADP-ribosylserine hydrosylase, also known as ADP-ribosylhydrolase-like 2 (ADPRS or ADPRLH2; OMIM: 610624), can cause stress-induced childhood-onset neurodegeneration with variable ataxia and seizures (CONDSIAS, OMIM: 618170), an ultra-rare neurodegenerative autosomal recessive disorder. ADPRS encodes ADP-ribosylhydrolase 3, which removes poly(ADP-ribose) polymers, whose posttranslational addition occurs under stressful conditions. Case Presentation: After a respiratory tract infection, a 30-month-old male patient presented with unsteady gait that rendered walking impossible without external help. Neurological examination revealed acute cerebellar ataxia, electroencephalogram results were abnormal, and brain magnetic resonance imaging revealed slightly widened cerebellar sulci. Laboratory tests showed decreased levels of thyroid-stimulating hormone, and increased levels of plasma lactic acid and serum cardiac enzymes. The cerebrospinal fluid glucose test was positive. Four months after onset, the patient died of sudden convulsions. Using whole exome sequencing, we identified two novel compound heterozygous ADPRS variants: NM_017825.3:c.580C>T (p.Gln194Ter) and NM_017825.3:c.803-1G>A. RNA sequencing indicated that the former mutation might cause nonsense-mediated mRNA decay. The c.803-1G>A variant was found to be a splice-site mutation that leads to the transcriptional retention of intron 5. According to the guidelines of the American College of Medical Genetics and Genomics, the two variants were classified as pathogenic. Conclusion: We present the first report of the existence of two compound heterozygous variants of ADPRS, which leads to CONDSIAS.
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Affiliation(s)
- Jiehui Ma
- Department of Neurology, Wuhan Children’s Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Qiaoqiao Qian
- Department of Neurology, Wuhan Children’s Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Shuang Yan
- School of Medicine, Jianghan University, Wuhan, China
| | - Haoyu Dou
- Aegicare (Shenzhen) Technology Co., Ltd., Wuhan, China
| | - Cheng Li
- Department of EEG (Electroencephalogram), Wuhan Children’s Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
- *Correspondence: Dan Sun, ; Cheng Li
| | - Dan Sun
- Department of Neurology, Wuhan Children’s Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
- *Correspondence: Dan Sun, ; Cheng Li
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31
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Lange LM, Gonzalez-Latapi P, Rajalingam R, Tijssen MAJ, Ebrahimi-Fakhari D, Gabbert C, Ganos C, Ghosh R, Kumar KR, Lang AE, Rossi M, van der Veen S, van de Warrenburg B, Warner T, Lohmann K, Klein C, Marras C. Nomenclature of Genetic Movement Disorders: Recommendations of the International Parkinson and Movement Disorder Society Task Force - An Update. Mov Disord 2022; 37:905-935. [PMID: 35481685 DOI: 10.1002/mds.28982] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/28/2022] [Accepted: 02/14/2022] [Indexed: 12/13/2022] Open
Abstract
In 2016, the Movement Disorder Society Task Force for the Nomenclature of Genetic Movement Disorders presented a new system for naming genetically determined movement disorders and provided a criterion-based list of confirmed monogenic movement disorders. Since then, a substantial number of novel disease-causing genes have been described, which warrant classification using this system. In addition, with this update, we further refined the system and propose dissolving the imaging-based categories of Primary Familial Brain Calcification and Neurodegeneration with Brain Iron Accumulation and reclassifying these genetic conditions according to their predominant phenotype. We also introduce the novel category of Mixed Movement Disorders (MxMD), which includes conditions linked to multiple equally prominent movement disorder phenotypes. In this article, we present updated lists of newly confirmed monogenic causes of movement disorders. We found a total of 89 different newly identified genes that warrant a prefix based on our criteria; 6 genes for parkinsonism, 21 for dystonia, 38 for dominant and recessive ataxia, 5 for chorea, 7 for myoclonus, 13 for spastic paraplegia, 3 for paroxysmal movement disorders, and 6 for mixed movement disorder phenotypes; 10 genes were linked to combined phenotypes and have been assigned two new prefixes. The updated lists represent a resource for clinicians and researchers alike and they have also been published on the website of the Task Force for the Nomenclature of Genetic Movement Disorders on the homepage of the International Parkinson and Movement Disorder Society (https://www.movementdisorders.org/MDS/About/Committees--Other-Groups/MDS-Task-Forces/Task-Force-on-Nomenclature-in-Movement-Disorders.htm). © 2022 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson Movement Disorder Society.
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Affiliation(s)
- Lara M Lange
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Paulina Gonzalez-Latapi
- The Edmond J. Safra Program in Parkinson's Disease and The Morton and Gloria Shulman Movement Disorder Clinic, Toronto Western Hospital, University of Toronto, Toronto, Canada.,Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Rajasumi Rajalingam
- The Edmond J. Safra Program in Parkinson's Disease and The Morton and Gloria Shulman Movement Disorder Clinic, Toronto Western Hospital, University of Toronto, Toronto, Canada
| | - Marina A J Tijssen
- UMCG Expertise Centre Movement Disorders, Department of Neurology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Darius Ebrahimi-Fakhari
- Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.,The Manton Center for Orphan Disease Research, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Carolin Gabbert
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Christos Ganos
- Department of Neurology, Charité University Hospital Berlin, Berlin, Germany
| | - Rhia Ghosh
- Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Kishore R Kumar
- Molecular Medicine Laboratory and Department of Neurology, Concord Repatriation General Hospital, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia.,Kinghorn Centre for Clinical Genomics, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
| | - Anthony E Lang
- The Edmond J. Safra Program in Parkinson's Disease and The Morton and Gloria Shulman Movement Disorder Clinic, Toronto Western Hospital, University of Toronto, Toronto, Canada
| | - Malco Rossi
- Movement Disorders Section, Neuroscience Department, Raul Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Sterre van der Veen
- UMCG Expertise Centre Movement Disorders, Department of Neurology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Bart van de Warrenburg
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Center of Expertise for Parkinson and Movement Disorders, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Tom Warner
- Department of Clinical & Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Katja Lohmann
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Connie Marras
- The Edmond J. Safra Program in Parkinson's Disease and The Morton and Gloria Shulman Movement Disorder Clinic, Toronto Western Hospital, University of Toronto, Toronto, Canada
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32
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Fischer FP, Kasture AS, Hummel T, Sucic S. Molecular and Clinical Repercussions of GABA Transporter 1 Variants Gone Amiss: Links to Epilepsy and Developmental Spectrum Disorders. Front Mol Biosci 2022; 9:834498. [PMID: 35295842 PMCID: PMC7612498 DOI: 10.3389/fmolb.2022.834498] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 02/01/2022] [Indexed: 12/15/2022] Open
Abstract
The human γ-aminobutyric acid (GABA) transporter 1 (hGAT-1) is the first member of the solute carrier 6 (SLC6) protein superfamily. GAT-1 (SLC6A1) is one of the main GABA transporters in the central nervous system. Its principal physiological role is retrieving GABA from the synapse into neurons and astrocytes, thus swiftly terminating neurotransmission. GABA is a key inhibitory neurotransmitter and shifts in GABAergic signaling can lead to pathological conditions, from anxiety and epileptic seizures to schizophrenia. Point mutations in the SLC6A1 gene frequently give rise to epilepsy, intellectual disability or autism spectrum disorders in the afflicted individuals. The mechanistic routes underlying these are still fairly unclear. Some loss-of-function variants impair the folding and intracellular trafficking of the protein (thus retaining the transporter in the endoplasmic reticulum compartment), whereas others, despite managing to reach their bona fide site of action at the cell surface, nonetheless abolish GABA transport activity (plausibly owing to structural/conformational defects). Whatever the molecular culprit(s), the physiological aftermath transpires into the absence of functional transporters, which in turn perturbs GABAergic actions. Dozens of mutations in the kin SLC6 family members are known to exhort protein misfolding. Such events typically elicit severe ailments in people, e.g., infantile parkinsonism-dystonia or X-linked intellectual disability, in the case of dopamine and creatine transporters, respectively. Flaws in protein folding can be rectified by small molecules known as pharmacological and/or chemical chaperones. The search for such apt remedies calls for a systematic investigation and categorization of the numerous disease-linked variants, by biochemical and pharmacological means in vitro (in cell lines and primary neuronal cultures) and in vivo (in animal models). We here give special emphasis to the utilization of the fruit fly Drosophila melanogaster as a versatile model in GAT-1-related studies. Jointly, these approaches can portray indispensable insights into the molecular factors underlying epilepsy, and ultimately pave the way for contriving efficacious therapeutic options for patients harboring pathogenic mutations in hGAT-1.
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Affiliation(s)
- Florian P. Fischer
- Institute of Pharmacology, Medical University of Vienna, Vienna, Austria
- Department of Epileptology and Neurology, University of Aachen, Aachen, Germany
| | - Ameya S. Kasture
- Department of Neuroscience and Developmental Biology, University of Vienna, Vienna, Austria
| | - Thomas Hummel
- Department of Neuroscience and Developmental Biology, University of Vienna, Vienna, Austria
| | - Sonja Sucic
- Institute of Pharmacology, Medical University of Vienna, Vienna, Austria
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33
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Ozturk G, Ayaz A, Topcu Y, Akyuz G, Unver O, Akbeyaz IH, Ekinci G, Turkdogan D. Stress-induced Childhood Onset Neurodegeneration with Ataxia and Seizures (CONDSIAS) Presenting with Torticollis Attacks: Phenotypic Variability of the Same Mutation in Two Turkish Patients. Ann Indian Acad Neurol 2022; 25:292-294. [PMID: 35693655 PMCID: PMC9175411 DOI: 10.4103/aian.aian_314_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 07/12/2021] [Accepted: 07/19/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
- Gulten Ozturk
- Marmara University Medical Faculty Pendik Education and Research Hospital, Department of Pediatric Neurology, Istanbul, Turkey
| | - Akif Ayaz
- Medipol University Department of Medical Genetics, Istanbul, Turkey
| | - Yasemin Topcu
- Medipol University Department of Medical Genetics, Istanbul, Turkey
| | - Gülcan Akyuz
- Marmara University Medical Faculty Pendik Education and Research Hospital, Department of Pediatric Neurology, Istanbul, Turkey
| | - Olcay Unver
- Marmara University Medical Faculty Pendik Education and Research Hospital, Department of Pediatric Neurology, Istanbul, Turkey
| | - Ismail Hakk Akbeyaz
- Marmara University Medical Faculty Pendik Education and Research Hospital, Department of Pediatric Neurology, Istanbul, Turkey
| | - Gazanfer Ekinci
- Marmara University Medical Faculty Pendik Education and Research Hospital, Department of Pediatric Neurology, Istanbul, Turkey
| | - Dilsad Turkdogan
- Marmara University Medical Faculty Pendik Education and Research Hospital, Department of Pediatric Neurology, Istanbul, Turkey
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34
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Ecovoiu AA, Ratiu AC, Micheu MM, Chifiriuc MC. Inter-Species Rescue of Mutant Phenotype—The Standard for Genetic Analysis of Human Genetic Disorders in Drosophila melanogaster Model. Int J Mol Sci 2022; 23:ijms23052613. [PMID: 35269756 PMCID: PMC8909942 DOI: 10.3390/ijms23052613] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/23/2022] [Accepted: 02/24/2022] [Indexed: 11/16/2022] Open
Abstract
Drosophila melanogaster (the fruit fly) is arguably a superstar of genetics, an astonishing versatile experimental model which fueled no less than six Nobel prizes in medicine. Nowadays, an evolving research endeavor is to simulate and investigate human genetic diseases in the powerful D. melanogaster platform. Such a translational experimental strategy is expected to allow scientists not only to understand the molecular mechanisms of the respective disorders but also to alleviate or even cure them. In this regard, functional gene orthology should be initially confirmed in vivo by transferring human or vertebrate orthologous transgenes in specific mutant backgrounds of D. melanogaster. If such a transgene rescues, at least partially, the mutant phenotype, then it qualifies as a strong candidate for modeling the respective genetic disorder in the fruit fly. Herein, we review various examples of inter-species rescue of relevant mutant phenotypes of the fruit fly and discuss how these results recommend several human genes as candidates to study and validate genetic variants associated with human diseases. We also consider that a wider implementation of this evolutionist exploratory approach as a standard for the medicine of genetic disorders would allow this particular field of human health to advance at a faster pace.
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Affiliation(s)
- Alexandru Al. Ecovoiu
- Department of Genetics, Faculty of Biology, University of Bucharest, 060101 Bucharest, Romania;
| | - Attila Cristian Ratiu
- Department of Genetics, Faculty of Biology, University of Bucharest, 060101 Bucharest, Romania;
- Correspondence: ; Tel.: +40-722250366
| | - Miruna Mihaela Micheu
- Department of Cardiology, Clinical Emergency Hospital of Bucharest, 014461 Bucharest, Romania;
| | - Mariana Carmen Chifiriuc
- The Research Institute of the University of Bucharest and Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania;
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35
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Schützenhofer K, Rack JGM, Ahel I. The Making and Breaking of Serine-ADP-Ribosylation in the DNA Damage Response. Front Cell Dev Biol 2021; 9:745922. [PMID: 34869334 PMCID: PMC8634249 DOI: 10.3389/fcell.2021.745922] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 10/15/2021] [Indexed: 12/14/2022] Open
Abstract
ADP-ribosylation is a widespread posttranslational modification that is of particular therapeutic relevance due to its involvement in DNA repair. In response to DNA damage, PARP1 and 2 are the main enzymes that catalyze ADP-ribosylation at damage sites. Recently, serine was identified as the primary amino acid acceptor of the ADP-ribosyl moiety following DNA damage and appears to act as seed for chain elongation in this context. Serine-ADP-ribosylation strictly depends on HPF1, an auxiliary factor of PARP1/2, which facilitates this modification by completing the PARP1/2 active site. The signal is terminated by initial poly(ADP-ribose) chain degradation, primarily carried out by PARG, while another enzyme, (ADP-ribosyl)hydrolase 3 (ARH3), specifically cleaves the terminal seryl-ADP-ribosyl bond, thus completing the chain degradation initiated by PARG. This review summarizes recent findings in the field of serine-ADP-ribosylation, its mechanisms, possible functions and potential for therapeutic targeting through HPF1 and ARH3 inhibition.
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Affiliation(s)
| | | | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
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36
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Beijer D, Agnew T, Rack JGM, Prokhorova E, Deconinck T, Ceulemans B, Peric S, Milic Rasic V, De Jonghe P, Ahel I, Baets J. Biallelic ADPRHL2 mutations in complex neuropathy affect ADP ribosylation and DNA damage response. Life Sci Alliance 2021; 4:e202101057. [PMID: 34479984 PMCID: PMC8424258 DOI: 10.26508/lsa.202101057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/28/2022] Open
Abstract
ADP ribosylation is a reversible posttranslational modification mediated by poly(ADP-ribose)transferases (e.g., PARP1) and (ADP-ribosyl)hydrolases (e.g., ARH3 and PARG), ensuring synthesis and removal of mono-ADP-ribose or poly-ADP-ribose chains on protein substrates. Dysregulation of ADP ribosylation signaling has been associated with several neurodegenerative diseases, including Parkinson's disease, amyotrophic lateral sclerosis, and Huntington's disease. Recessive ADPRHL2/ARH3 mutations are described to cause a stress-induced epileptic ataxia syndrome with developmental delay and axonal neuropathy (CONDSIAS). Here, we present two families with a neuropathy predominant disorder and homozygous mutations in ADPRHL2 We characterized a novel C26F mutation, demonstrating protein instability and reduced protein function. Characterization of the recurrent V335G mutant demonstrated mild loss of expression with retained enzymatic activity. Although the V335G mutation retains its mitochondrial localization, it has altered cytosolic/nuclear localization. This minimally affects basal ADP ribosylation but results in elevated nuclear ADP ribosylation during stress, demonstrating the vital role of ADP ribosylation reversal by ARH3 in DNA damage control.
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Affiliation(s)
- Danique Beijer
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- Laboratory of Neuromuscular Pathology, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Thomas Agnew
- Sir William Dunn School of Pathology, Oxford University, Oxford, UK
| | | | | | - Tine Deconinck
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- Laboratory of Neuromuscular Pathology, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Berten Ceulemans
- Department of Pediatric Neurology, Antwerp University Hospital, Antwerp, Belgium
| | - Stojan Peric
- Neurology Clinic, Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Vedrana Milic Rasic
- Clinic for Neurology and Psychiatry for Children and Youth, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Peter De Jonghe
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- Laboratory of Neuromuscular Pathology, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
- Neuromuscular Reference Centre, Department of Neurology, Antwerp University Hospital, Antwerp, Belgium
| | - Ivan Ahel
- Sir William Dunn School of Pathology, Oxford University, Oxford, UK
| | - Jonathan Baets
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- Laboratory of Neuromuscular Pathology, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
- Neuromuscular Reference Centre, Department of Neurology, Antwerp University Hospital, Antwerp, Belgium
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37
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Prominent and Regressive Brain Developmental Disorders Associated with Nance-Horan Syndrome. Brain Sci 2021; 11:brainsci11091150. [PMID: 34573171 PMCID: PMC8465299 DOI: 10.3390/brainsci11091150] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/26/2021] [Accepted: 08/27/2021] [Indexed: 11/17/2022] Open
Abstract
Nance-Horan syndrome (NHS) is a rare X-linked developmental disorder caused mainly by loss of function variants in the NHS gene. NHS is characterized by congenital cataracts, dental anomalies, and distinctive facial features, and a proportion of the affected individuals also present intellectual disability and congenital cardiopathies. Despite identification of at least 40 distinct hemizygous variants leading to NHS, genotype-phenotype correlations remain largely elusive. In this study, we describe a Sicilian family affected with congenital cataracts and dental anomalies and diagnosed with NHS by whole-exome sequencing (WES). The affected boy from this family presented a late regression of cognitive, motor, language, and adaptive skills, as well as broad behavioral anomalies. Furthermore, brain imaging showed corpus callosum anomalies and periventricular leukoencephalopathy. We expand the phenotypic and mutational NHS spectrum and review potential disease mechanisms underlying the central neurological anomalies and the potential neurodevelopmental features associated with NHS.
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38
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Rack JGM, Liu Q, Zorzini V, Voorneveld J, Ariza A, Honarmand Ebrahimi K, Reber JM, Krassnig SC, Ahel D, van der Marel GA, Mangerich A, McCullagh JSO, Filippov DV, Ahel I. Mechanistic insights into the three steps of poly(ADP-ribosylation) reversal. Nat Commun 2021; 12:4581. [PMID: 34321462 PMCID: PMC8319183 DOI: 10.1038/s41467-021-24723-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 06/30/2021] [Indexed: 12/17/2022] Open
Abstract
Poly(ADP-ribosyl)ation (PAR) is a versatile and complex posttranslational modification composed of repeating units of ADP-ribose arranged into linear or branched polymers. This scaffold is linked to the regulation of many of cellular processes including the DNA damage response, alteration of chromatin structure and Wnt signalling. Despite decades of research, the principles and mechanisms underlying all steps of PAR removal remain actively studied. In this work, we synthesise well-defined PAR branch point molecules and demonstrate that PARG, but not ARH3, can resolve this distinct PAR architecture. Structural analysis of ARH3 in complex with dimeric ADP-ribose as well as an ADP-ribosylated peptide reveal the molecular basis for the hydrolysis of linear and terminal ADP-ribose linkages. We find that ARH3-dependent hydrolysis requires both rearrangement of a catalytic glutamate and induction of an unusual, square-pyramidal magnesium coordination geometry.
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Affiliation(s)
| | - Qiang Liu
- Leiden University, Leiden Institute of Chemistry, Leiden, The Netherlands
| | - Valentina Zorzini
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Jim Voorneveld
- Leiden University, Leiden Institute of Chemistry, Leiden, The Netherlands
| | - Antonio Ariza
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | | | - Julia M Reber
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Sarah C Krassnig
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Dragana Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | | | - Aswin Mangerich
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany
| | - James S O McCullagh
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Oxford, UK
| | - Dmitri V Filippov
- Leiden University, Leiden Institute of Chemistry, Leiden, The Netherlands.
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK.
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39
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Reber JM, Mangerich A. Why structure and chain length matter: on the biological significance underlying the structural heterogeneity of poly(ADP-ribose). Nucleic Acids Res 2021; 49:8432-8448. [PMID: 34302489 PMCID: PMC8421145 DOI: 10.1093/nar/gkab618] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/30/2021] [Accepted: 07/07/2021] [Indexed: 12/18/2022] Open
Abstract
Poly(ADP-ribosyl)ation (PARylation) is a multifaceted post-translational modification, carried out by poly(ADP-ribosyl)transferases (poly-ARTs, PARPs), which play essential roles in (patho-) physiology, as well as cancer therapy. Using NAD+ as a substrate, acceptors, such as proteins and nucleic acids, can be modified with either single ADP-ribose units or polymers, varying considerably in length and branching. Recently, the importance of PAR structural heterogeneity with regards to chain length and branching came into focus. Here, we provide a concise overview on the current knowledge of the biochemical and physiological significance of such differently structured PAR. There is increasing evidence revealing that PAR’s structural diversity influences the binding characteristics of its readers, PAR catabolism, and the dynamics of biomolecular condensates. Thereby, it shapes various cellular processes, such as DNA damage response and cell cycle regulation. Contrary to the knowledge on the consequences of PAR’s structural diversity, insight into its determinants is just emerging, pointing to specific roles of different PARP members and accessory factors. In the future, it will be interesting to study the interplay with other post-translational modifications, the contribution of natural PARP variants, and the regulatory role of accessory molecules. This has the exciting potential for new therapeutic approaches, with the targeted modulation and tuning of PARPs’ enzymatic functions, rather than their complete inhibition, as a central premise.
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Affiliation(s)
- Julia M Reber
- Department of Biology, University of Konstanz, 78467 Konstanz, Germany
| | - Aswin Mangerich
- Department of Biology, University of Konstanz, 78467 Konstanz, Germany
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40
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Piccolo G, d'Annunzio G, Amadori E, Riva A, Borgia P, Tortora D, Maghnie M, Minetti C, Gitto E, Iacomino M, Baldassari S, Fiorillo C, Zara F, Striano P, Salpietro V. Neuromuscular and Neuroendocrinological Features Associated With ZC4H2-Related Arthrogryposis Multiplex Congenita in a Sicilian Family: A Case Report. Front Neurol 2021; 12:704747. [PMID: 34322088 PMCID: PMC8313121 DOI: 10.3389/fneur.2021.704747] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 06/08/2021] [Indexed: 11/13/2022] Open
Abstract
Wieacker-Wolff syndrome (WWS) is an X-linked Arthrogryposis Multiplex Congenita (AMC) disorder associated with broad neurodevelopmental impairment. The genetic basis of WWS lies in hemizygous pathogenic variants in ZC4H2, encoding a C4H2 type zinc-finger nuclear factor abundantly expressed in the developing human brain. The main clinical features described in WWS families carrying ZC4H2 pathogenic variants encompass having a short stature, microcephaly, birth respiratory distress, arthrogryposis, hypotonia, distal muscle weakness, and broad neurodevelopmental delay. We hereby report a Sicilian family with a boy clinically diagnosed with WWS and genetically investigated with exome sequencing (ES), leading to the identification of a c.593G>A (p. R198Q) hemizygous pathogenic variant in the ZC4H2 gene. During the first year of life, the onset of central hypoadrenalism led to recurrent hypoglycemic events, which likely contributed to seizure susceptibility. Also, muscle biopsy studies confirmed a pathology of the muscle tissue and revealed peculiar abnormalities of the neuromuscular junction. In conclusion, we expand the phenotypic spectrum of the WWS-related neurodevelopmental disorders and discuss the role of ZC4H2 in the context of the potential neuroendocrinological and neuromuscular features associated with this condition.
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Affiliation(s)
- Gianluca Piccolo
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genoa, Genoa, Italy
| | - Giuseppe d'Annunzio
- Pediatric Clinic and Endocrinology, Regional Center for Pediatric Diabetes, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Elisabetta Amadori
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Antonella Riva
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
- Unit of Medical Genetics, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Paola Borgia
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genoa, Genoa, Italy
| | - Domenico Tortora
- Neuroradiology Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Mohamad Maghnie
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genoa, Genoa, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Carlo Minetti
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Eloisa Gitto
- Department of Human Pathology of the Adult and Developmental Age, “Gaetano Barresi” University of Messina, Messina, Italy
| | - Michele Iacomino
- Unit of Medical Genetics, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Simona Baldassari
- Unit of Medical Genetics, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Chiara Fiorillo
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Federico Zara
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
- Unit of Medical Genetics, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Pasquale Striano
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Vincenzo Salpietro
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
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41
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Ceravolo G, Macchia TL, Cuppari C, Dipasquale V, Gambadauro A, Casto C, Ceravolo MD, Cutrupi M, Calabrò MP, Borgia P, Piccolo G, Mancuso A, Albiero R, Chimenz R. Update on the Classification and Pathophysiological Mechanisms of Pediatric Cardiorenal Syndromes. CHILDREN-BASEL 2021; 8:children8070528. [PMID: 34206173 PMCID: PMC8305733 DOI: 10.3390/children8070528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/09/2021] [Accepted: 06/16/2021] [Indexed: 11/16/2022]
Abstract
Cardiorenal syndrome (CRS) is defined as a disorder resulting from the abnormal interaction between the heart and kidney, in which acute or chronic dysfunction of one organ may lead to acute and/or chronic dysfunction of the other. The functional interplay between the heart and kidney is characterized by a complex bidirectional symbiotic interaction, regulated by a wide array of both genetic and environmental mechanisms. There are at least five known subtypes of CRS, based on the severity of clinical features and the degree of heart/renal failure. The fourth subtype (cardiorenal syndrome type 4 (CRS4)) is characterized by a primary chronic kidney disease (CKD), which in turn leads to a decreased cardiac function. Impairment of renal function is among the most important pathophysiological factors contributing to heart failure (HF) in the pediatric age group, and cardiovascular complications could be one of the most important causes of mortality in pediatric patients with advanced CKD. In this context, a loss of glomerular filtration rate directly correlates with both the progression of cardiovascular complications in CRS and the risk of HF. This review describes the interaction pathways between the heart and kidney and the recently identified pathophysiological mechanisms underlying pediatric CRS, with a special focus on CRS4, which encompasses both primary CKD and cardiovascular disease (CVD).
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Affiliation(s)
- Giorgia Ceravolo
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Tommaso La Macchia
- Unit of Cardiology, Department of Clinical and Experimental Medicine, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy;
| | - Caterina Cuppari
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Valeria Dipasquale
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Antonella Gambadauro
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Celeste Casto
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Maria Domenica Ceravolo
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Maricia Cutrupi
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Maria Pia Calabrò
- Unit of Pediatric Cardiology, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy;
| | - Paola Borgia
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, 16132 Genoa, Italy; (P.B.); (G.P.)
| | - Gianluca Piccolo
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, 16132 Genoa, Italy; (P.B.); (G.P.)
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Alessio Mancuso
- Unit of Emergency Pediatric, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy; (G.C.); (C.C.); (V.D.); (A.G.); (C.C.); (M.D.C.); (M.C.); (A.M.)
| | - Remo Albiero
- Department of Cardiology, Sondrio General Hospital, 23100 Sondrio, Italy;
| | - Roberto Chimenz
- Unit of Pediatric Nephrology, and Rheumatology with Dialysis, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi”, University of Messina, “G. Martino” Policlinic, 98124 Messina, Italy
- Correspondence: ; Tel.: +39-3479962816
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42
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Prokhorova E, Agnew T, Wondisford AR, Tellier M, Kaminski N, Beijer D, Holder J, Groslambert J, Suskiewicz MJ, Zhu K, Reber JM, Krassnig SC, Palazzo L, Murphy S, Nielsen ML, Mangerich A, Ahel D, Baets J, O'Sullivan RJ, Ahel I. Unrestrained poly-ADP-ribosylation provides insights into chromatin regulation and human disease. Mol Cell 2021; 81:2640-2655.e8. [PMID: 34019811 PMCID: PMC8221567 DOI: 10.1016/j.molcel.2021.04.028] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 02/25/2021] [Accepted: 04/29/2021] [Indexed: 12/26/2022]
Abstract
ARH3/ADPRHL2 and PARG are the primary enzymes reversing ADP-ribosylation in vertebrates, yet their functions in vivo remain unclear. ARH3 is the only hydrolase able to remove serine-linked mono(ADP-ribose) (MAR) but is much less efficient than PARG against poly(ADP-ribose) (PAR) chains in vitro. Here, by using ARH3-deficient cells, we demonstrate that endogenous MARylation persists on chromatin throughout the cell cycle, including mitosis, and is surprisingly well tolerated. Conversely, persistent PARylation is highly toxic and has distinct physiological effects, in particular on active transcription histone marks such as H3K9ac and H3K27ac. Furthermore, we reveal a synthetic lethal interaction between ARH3 and PARG and identify loss of ARH3 as a mechanism of PARP inhibitor resistance, both of which can be exploited in cancer therapy. Finally, we extend our findings to neurodegeneration, suggesting that patients with inherited ARH3 deficiency suffer from stress-induced pathogenic increase in PARylation that can be mitigated by PARP inhibition.
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Affiliation(s)
- Evgeniia Prokhorova
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Thomas Agnew
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Anne R Wondisford
- Department of Pharmacology and Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Michael Tellier
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Nicole Kaminski
- Department of Pharmacology and Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Danique Beijer
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Laboratory of Neuromuscular Pathology, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - James Holder
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | | | - Marcin J Suskiewicz
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Kang Zhu
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Julia M Reber
- Molecular Toxicology Group, Department of Biology, University of Konstanz, 78457 Konstanz, Germany
| | - Sarah C Krassnig
- Molecular Toxicology Group, Department of Biology, University of Konstanz, 78457 Konstanz, Germany
| | - Luca Palazzo
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Shona Murphy
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Michael L Nielsen
- Proteomics Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen, Denmark
| | - Aswin Mangerich
- Molecular Toxicology Group, Department of Biology, University of Konstanz, 78457 Konstanz, Germany
| | - Dragana Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Jonathan Baets
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Laboratory of Neuromuscular Pathology, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium; Neuromuscular Reference Centre, Department of Neurology, Antwerp University Hospital, Antwerp, Belgium
| | - Roderick J O'Sullivan
- Department of Pharmacology and Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK.
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43
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Paull TT. DNA damage and regulation of protein homeostasis. DNA Repair (Amst) 2021; 105:103155. [PMID: 34116476 DOI: 10.1016/j.dnarep.2021.103155] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 10/21/2022]
Abstract
The accumulation of unrepaired DNA lesions is associated with many pathological outcomes in humans, particularly in neurodegenerative diseases and in normal aging. Evidence supporting a causal role for DNA damage in the onset and progression of neurodegenerative disease has come from rare human patients with mutations in DNA damage response genes as well as from model organisms; however, the generality of this relationship in the normal population is unclear. In addition, the relevance of DNA damage in the context of proteotoxic stress-the widely accepted paradigm for pathology during neurodegeneration-is not well understood. Here, observations supporting intertwined roles of DNA damage and proteotoxicity in aging-related neurological outcomes are reviewed, with particular emphasis on recent insights into the relationships between DNA repair and autophagy, the ubiquitin proteasome system, formation of protein aggregates, poly-ADP-ribose polymerization, and transcription-driven DNA lesions.
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Affiliation(s)
- Tanya T Paull
- The University of Texas at Austin, Department of Molecular Biosciences, Austin, TX, 78712, United States.
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44
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Bonfiglio JJ, Leidecker O, Dauben H, Longarini EJ, Colby T, San Segundo-Acosta P, Perez KA, Matic I. An HPF1/PARP1-Based Chemical Biology Strategy for Exploring ADP-Ribosylation. Cell 2021; 183:1086-1102.e23. [PMID: 33186521 DOI: 10.1016/j.cell.2020.09.055] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/27/2020] [Accepted: 09/22/2020] [Indexed: 12/13/2022]
Abstract
Strategies for installing authentic ADP-ribosylation (ADPr) at desired positions are fundamental for creating the tools needed to explore this elusive post-translational modification (PTM) in essential cellular processes. Here, we describe a phospho-guided chemoenzymatic approach based on the Ser-ADPr writer complex for rapid, scalable preparation of a panel of pure, precisely modified peptides. Integrating this methodology with phage display technology, we have developed site-specific as well as broad-specificity antibodies to mono-ADPr. These recombinant antibodies have been selected and characterized using multiple ADP-ribosylated peptides and tested by immunoblotting and immunofluorescence for their ability to detect physiological ADPr events. Mono-ADPr proteomics and poly-to-mono comparisons at the modification site level have revealed the prevalence of mono-ADPr upon DNA damage and illustrated its dependence on PARG and ARH3. These and future tools created on our versatile chemical biology-recombinant antibody platform have broad potential to elucidate ADPr signaling pathways in health and disease.
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Affiliation(s)
- Juan José Bonfiglio
- Research Group of Proteomics and ADP-ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Orsolya Leidecker
- Research Group of Proteomics and ADP-ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Helen Dauben
- Research Group of Proteomics and ADP-ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Edoardo José Longarini
- Research Group of Proteomics and ADP-ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Thomas Colby
- Research Group of Proteomics and ADP-ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Pablo San Segundo-Acosta
- Research Group of Proteomics and ADP-ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany
| | - Kathryn A Perez
- Protein Expression and Purification Core Facility, EMBL Heidelberg, 69126 Heidelberg, Germany
| | - Ivan Matic
- Research Group of Proteomics and ADP-ribosylation Signaling, Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany; Cologne Excellence Cluster for Stress Responses in Ageing-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany.
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45
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Crawford K, Oliver PL, Agnew T, Hunn BHM, Ahel I. Behavioural Characterisation of Macrod1 and Macrod2 Knockout Mice. Cells 2021; 10:368. [PMID: 33578760 PMCID: PMC7916507 DOI: 10.3390/cells10020368] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/03/2021] [Accepted: 02/04/2021] [Indexed: 11/17/2022] Open
Abstract
Adenosine diphosphate ribosylation (ADP-ribosylation; ADPr), the addition of ADP-ribose moieties onto proteins and nucleic acids, is a highly conserved modification involved in a wide range of cellular functions, from viral defence, DNA damage response (DDR), metabolism, carcinogenesis and neurobiology. Here we study MACROD1 and MACROD2 (mono-ADP-ribosylhydrolases 1 and 2), two of the least well-understood ADPr-mono-hydrolases. MACROD1 has been reported to be largely localized to the mitochondria, while the MACROD2 genomic locus has been associated with various neurological conditions such as autism, attention deficit hyperactivity disorder (ADHD) and schizophrenia; yet the potential significance of disrupting these proteins in the context of mammalian behaviour is unknown. Therefore, here we analysed both Macrod1 and Macrod2 gene knockout (KO) mouse models in a battery of well-defined, spontaneous behavioural testing paradigms. Loss of Macrod1 resulted in a female-specific motor-coordination defect, whereas Macrod2 disruption was associated with hyperactivity that became more pronounced with age, in combination with a bradykinesia-like gait. These data reveal new insights into the importance of ADPr-mono-hydrolases in aspects of behaviour associated with both mitochondrial and neuropsychiatric disorders.
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Affiliation(s)
- Kerryanne Crawford
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK; (K.C.); (T.A.)
| | - Peter L. Oliver
- Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford OX1 3PT, UK; (P.L.O.); (B.H.M.H.)
- MRC Harwell Institute, Harwell Campus, Didcot OX11 0RD, UK
| | - Thomas Agnew
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK; (K.C.); (T.A.)
| | - Benjamin H. M. Hunn
- Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford OX1 3PT, UK; (P.L.O.); (B.H.M.H.)
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK; (K.C.); (T.A.)
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46
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Mishra B, Fatima S, Agarwal A, Radhakrishnan DM, Garg A, Srivastava AK. Dystonia and Myelopathy in a Case of Stress-Induced Childhood-Onset Neurodegeneration with Ataxia and Seizures (CONDSIAS). Mov Disord Clin Pract 2021; 8:156-158. [PMID: 33426173 DOI: 10.1002/mdc3.13125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/01/2020] [Accepted: 11/08/2020] [Indexed: 11/10/2022] Open
Affiliation(s)
| | - Saman Fatima
- All India Institute of Medical Sciences New Delhi India
| | - Ayush Agarwal
- All India Institute of Medical Sciences New Delhi India
| | | | - Ajay Garg
- All India Institute of Medical Sciences New Delhi India
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47
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Paketci C, Karakaya M, Edem P, Bayram E, Keller N, Daimagüler HS, Cirak S, Jordanova A, Hiz S, Wirth B, Yiş U. Clinical, electrophysiological and genetic characteristics of childhood hereditary polyneuropathies. Rev Neurol (Paris) 2020; 176:846-855. [DOI: 10.1016/j.neurol.2020.04.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/04/2020] [Accepted: 04/07/2020] [Indexed: 12/26/2022]
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48
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The clinical-phenotype continuum in DYNC1H1-related disorders-genomic profiling and proposal for a novel classification. J Hum Genet 2020; 65:1003-1017. [PMID: 32788638 PMCID: PMC7719554 DOI: 10.1038/s10038-020-0803-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 06/18/2020] [Accepted: 06/19/2020] [Indexed: 12/18/2022]
Abstract
Mutations in the cytoplasmic dynein 1 heavy chain gene (DYNC1H1) have been identified in rare neuromuscular (NMD) and neurodevelopmental (NDD) disorders such as spinal muscular atrophy with lower extremity dominance (SMALED) and autosomal dominant mental retardation syndrome 13 (MRD13). Phenotypes and genotypes of ten pediatric patients with pathogenic DYNC1H1 variants were analyzed in a multi-center study. Data mining of large-scale genomic variant databases was used to investigate domain-specific vulnerability and conservation of DYNC1H1. We identified ten patients with nine novel mutations in the DYNC1H1 gene. These patients exhibit a broad spectrum of clinical findings, suggesting an overlapping disease manifestation with intermixed phenotypes ranging from neuropathy (peripheral nervous system, PNS) to severe intellectual disability (central nervous system, CNS). Genomic profiling of healthy and patient variant datasets underlines the domain-specific effects of genetic variation in DYNC1H1, specifically on toleration towards missense variants in the linker domain. A retrospective analysis of all published mutations revealed domain-specific genotype–phenotype correlations, i.e., mutations in the dimerization domain with reductions in lower limb strength in DYNC1H1–NMD and motor domain with cerebral malformations in DYNC1H1–NDD. We highlight that the current classification into distinct disease entities does not sufficiently reflect the clinical disease manifestation that clinicians face in the diagnostic work-up of DYNC1H1-related disorders. We propose a novel clinical classification for DYNC1H1-related disorders encompassing a spectrum from DYNC1H1–NMD with an exclusive PNS phenotype to DYNC1H1–NDD with concomitant CNS involvement.
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49
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Aryan H, Razmara E, Farhud D, Zarif-Yeganeh M, Zokaei S, Hassani SA, Ashrafi MR, Garshasbi M, Tavasoli AR. Novel imaging and clinical phenotypes of CONDSIAS disorder caused by a homozygous frameshift variant of ADPRHL2: a case report. BMC Neurol 2020; 20:291. [PMID: 32746785 PMCID: PMC7397971 DOI: 10.1186/s12883-020-01873-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/28/2020] [Indexed: 12/17/2022] Open
Abstract
Background Stress-induced childhood-onset neurodegeneration with variable ataxia and seizures (CONDSIAS) is an autosomal recessive disorder caused by defects in the ADP-Ribosylhydrolase Like 2 (ADPRHL2; OMIM: 618170) gene. This gene encodes the ADP-ribosylhydrolase enzyme (ARH3) that eliminates the addition of poly-ADP ribose (PAR) in the cellular stress onto proteins in the ADP-ribosylation process in which adding one or more ADP-ribose moieties onto the target proteins in the post-translational modification have occurred. In this study, we report a new case of CONDSIAS in the Iranian population. A literature review of CONDSIAS is also included. Case presentation A four-year-old female patient, born to a consanguineous Iranian family, was referred with various clinical symptoms including impaired speech, variable ataxia, infrequent seizures, and gradual onset of truncal hypotonia. Over time, she developed complete motor and speech regression, bilateral sensorineural hearing loss, infrequent seizures, abdominal distension and gastrointestinal (GI) intolerance, and loss of consciousness. To better molecularly diagnose, trio-whole-exome sequencing (WES) was performed on the proband and her parents. Sanger sequencing was also applied to investigate co-segregation analysis. Using in silico predictive tools, the possible impacts of the variant on the structure and function of ADPRHL2 protein were predicted. All basic metabolic tests were normal, while serial coronal magnetic resonance imaging (MRI) showed progressive cerebral and cerebellar atrophy in addition to cerebral white matter signal changes as a novel neuroimaging finding. GI intolerance was another novelty of clinical scenarios in the patient. An auditory brainstem response test showed a severe bilateral sensorineural hearing loss. An electroencephalogram also confirmed focal seizures. From the molecular perspective, a novel homozygous frameshift variant in the ADPRHL2 gene (NM_017825.2; c.636_639del, p.(Leu212fs)) was identified by WES. Conclusions CONDSIAS is an ultra-rare neurodegenerative disorder. In the present study, we introduced extra-neurological and neuroimaging findings of this disorder in a female child caused by a novel frameshift variation in the ADPRHL2 gene.
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Affiliation(s)
- Hajar Aryan
- National Institute of Genetic Engineering and Biotechnology, Tehran, Iran.,Dr. Farhud's Genetics Clinic, Tehran, Iran
| | - Ehsan Razmara
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Dariush Farhud
- Dr. Farhud's Genetics Clinic, Tehran, Iran.,School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.,Department of Basic Sciences, Iranian Academy of Medical Sciences, Tehran, Iran
| | - Marjan Zarif-Yeganeh
- Dr. Farhud's Genetics Clinic, Tehran, Iran.,Cellular and Molecular Endocrine Research Center, Research Institute of Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shaghayegh Zokaei
- Dr. Farhud's Genetics Clinic, Tehran, Iran.,School of Advanced Medical Science, Islamic Azad University, Tehran, Iran
| | - Seyed Abbas Hassani
- Pediatric Intensive Care Medicine Department, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Reza Ashrafi
- Myelin Disorders Clinic, Pediatric Neurology Division, Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoud Garshasbi
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ali Reza Tavasoli
- Myelin Disorders Clinic, Pediatric Neurology Division, Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran.
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50
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Hanzlikova H, Prokhorova E, Krejcikova K, Cihlarova Z, Kalasova I, Kubovciak J, Sachova J, Hailstone R, Brazina J, Ghosh S, Cirak S, Gleeson JG, Ahel I, Caldecott KW. Pathogenic ARH3 mutations result in ADP-ribose chromatin scars during DNA strand break repair. Nat Commun 2020; 11:3391. [PMID: 32636369 PMCID: PMC7341855 DOI: 10.1038/s41467-020-17069-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 06/08/2020] [Indexed: 12/31/2022] Open
Abstract
Neurodegeneration is a common hallmark of individuals with hereditary defects in DNA single-strand break repair; a process regulated by poly(ADP-ribose) metabolism. Recently, mutations in the ARH3 (ADPRHL2) hydrolase that removes ADP-ribose from proteins have been associated with neurodegenerative disease. Here, we show that ARH3-mutated patient cells accumulate mono(ADP-ribose) scars on core histones that are a molecular memory of recently repaired DNA single-strand breaks. We demonstrate that the ADP-ribose chromatin scars result in reduced endogenous levels of important chromatin modifications such as H3K9 acetylation, and that ARH3 patient cells exhibit measurable levels of deregulated transcription. Moreover, we show that the mono(ADP-ribose) scars are lost from the chromatin of ARH3-defective cells in the prolonged presence of PARP inhibition, and concomitantly that chromatin acetylation is restored to normal. Collectively, these data indicate that ARH3 can act as an eraser of ADP-ribose chromatin scars at sites of PARP activity during DNA single-strand break repair.
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Affiliation(s)
- Hana Hanzlikova
- Department of Genome Dynamics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague 4, 142 20, Czech Republic.
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9RQ, UK.
| | - Evgeniia Prokhorova
- Sir William Dunn School of Pathology, University of Oxford, Oxford, OX1 3RE, UK
| | - Katerina Krejcikova
- Department of Genome Dynamics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague 4, 142 20, Czech Republic
| | - Zuzana Cihlarova
- Department of Genome Dynamics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague 4, 142 20, Czech Republic
| | - Ilona Kalasova
- Department of Genome Dynamics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague 4, 142 20, Czech Republic
| | - Jan Kubovciak
- Department of Genomics and Bioinformatics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague 4, 142 20, Czech Republic
| | - Jana Sachova
- Department of Genomics and Bioinformatics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague 4, 142 20, Czech Republic
| | - Richard Hailstone
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9RQ, UK
| | - Jan Brazina
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9RQ, UK
| | - Shereen Ghosh
- Laboratory for Pediatric Brain Disease, Howard Hughes Medical Institute, University of California, San Diego, La Jolla, CA, 92093, USA
- Rady Children's Institute for Genomic Medicine, Rady Children's Hospital, San Diego, CA, 92123, USA
| | - Sebahattin Cirak
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, 50931, Germany
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, 50931, Germany
- Center for Rare Diseases, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, 50931, Germany
| | - Joseph G Gleeson
- Laboratory for Pediatric Brain Disease, Howard Hughes Medical Institute, University of California, San Diego, La Jolla, CA, 92093, USA
- Rady Children's Institute for Genomic Medicine, Rady Children's Hospital, San Diego, CA, 92123, USA
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford, OX1 3RE, UK
| | - Keith W Caldecott
- Department of Genome Dynamics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague 4, 142 20, Czech Republic.
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9RQ, UK.
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