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Klein A, Rhinn M, Keyes WM. Cellular senescence and developmental defects. FEBS J 2023; 290:1303-1313. [PMID: 36856681 DOI: 10.1111/febs.16731] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/05/2023] [Accepted: 01/20/2023] [Indexed: 03/02/2023]
Abstract
Cellular senescence is a distinct state that is frequently induced in response to ageing and stress. Yet studies have also uncovered beneficial functions in development, repair and regeneration. Current opinion therefore suggests that timely and controlled induction of senescence can be beneficial, while misregulation of the senescence program, either through mis-timed activation, or chronic accumulation of senescent cells, contributes to many disease states and the ageing process. Whether atypical activation of senescence plays a role in the pathogenesis of developmental defects has been relatively underexplored. Here, we discuss three recent studies that implicate ectopic senescence in neurodevelopmental defects, with possible causative roles for senescence in these birth defects. In addition, we highlight how the examination of senescence in other birth defects is warranted, and speculate that aberrantly activated senescence may play a much broader role in developmental defects than currently appreciated.
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Affiliation(s)
- Annabelle Klein
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique (CNRS), Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France.,Université de Strasbourg, Illkirch, France
| | - Muriel Rhinn
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique (CNRS), Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France.,Université de Strasbourg, Illkirch, France
| | - William M Keyes
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique (CNRS), Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France.,Université de Strasbourg, Illkirch, France
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Dutto I, Gerhards J, Herrera A, Souckova O, Škopová V, Smak J, Junza A, Yanes O, Boeckx C, Burkhalter MD, Zikánová M, Pons S, Philipp M, Lüders J, Stracker TH. Pathway specific effects of ADSL deficiency on neurodevelopment. eLife 2022; 11:70518. [PMID: 35133277 PMCID: PMC8871376 DOI: 10.7554/elife.70518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 12/22/2021] [Indexed: 11/13/2022] Open
Abstract
Adenylosuccinate lyase (ADSL) functions in de novo purine synthesis (DNPS) and the purine nucleotide cycle. ADSL deficiency (ADSLD) causes numerous neurodevelopmental pathologies, including microcephaly and autism spectrum disorder. ADSLD patients have normal serum purine nucleotide levels but exhibit accumulation of dephosphorylated ADSL substrates, S-Ado, and SAICAr, the latter being implicated in neurotoxic effects through unknown mechanisms. We examined the phenotypic effects of ADSL depletion in human cells and their relation to phenotypic outcomes. Using specific interventions to compensate for reduced purine levels or modulate SAICAr accumulation, we found that diminished AMP levels resulted in increased DNA damage signaling and cell cycle delays, while primary ciliogenesis was impaired specifically by loss of ADSL or administration of SAICAr. ADSL-deficient chicken and zebrafish embryos displayed impaired neurogenesis and microcephaly. Neuroprogenitor attrition in zebrafish embryos was rescued by pharmacological inhibition of DNPS, but not increased nucleotide concentration. Zebrafish also displayed phenotypes commonly linked to ciliopathies. Our results suggest that both reduced purine levels and impaired DNPS contribute to neurodevelopmental pathology in ADSLD and that defective ciliogenesis may influence the ADSLD phenotypic spectrum.
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Affiliation(s)
- Ilaria Dutto
- Institute for Research in Biomedicine, Barcelona, Spain
| | - Julian Gerhards
- Department of Experimental and Clinical Pharmacology and Pharmacogenomics, University of Tubingen, Tubingen, Germany
| | - Antonio Herrera
- Department of Cell Biology, Instituto de Biología Molecular de Barcelona, Barcelona, Spain
| | - Olga Souckova
- Department of Paediatrics and Inherited Metabolic Disorders, Charles University, Prague, Czech Republic
| | - Václava Škopová
- Department of Paediatrics and Inherited Metabolic Disorders, Charles University, Prague, Czech Republic
| | - Jordann Smak
- Center for Cancer Research, Radiation Oncology Branch, National Cancer Institute, Bethesda, United States
| | - Alexandra Junza
- Spanish Biomedical Research Center in Diabetes and Associated Metabolic Disorders, Madrid, Spain
| | - Oscar Yanes
- Spanish Biomedical Research Center in Diabetes and Associated Metabolic Disorders, Madrid, Spain
| | - Cedric Boeckx
- Institute of Complex Systems, University of Barcelona, Barcelona, Spain
| | - Martin D Burkhalter
- Department of Experimental and Clinical Pharmacology and Pharmacogenomics, University of Tübingen, Tübingen, Germany
| | - Marie Zikánová
- Department of Paediatrics and Inherited Metabolic Disorders, Charles University, Prague, Czech Republic
| | - Sebastian Pons
- Department of Cell Biology, Instituto de Biología Molecular de Barcelona, Barcelona, Spain
| | - Melanie Philipp
- Department of Experimental and Clinical Pharmacology and Pharmacogenomics, University of Tubingen, Tubingen, Germany
| | - Jens Lüders
- Institute for Research in Biomedicine, Barcelona, Spain
| | - Travis H Stracker
- Center for Cancer Research, Radiation Oncology Branch, National Cancer Institute, Bethesda, United States
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Catusi I, Garzo M, Capra AP, Briuglia S, Baldo C, Canevini MP, Cantone R, Elia F, Forzano F, Galesi O, Grosso E, Malacarne M, Peron A, Romano C, Saccani M, Larizza L, Recalcati MP. 8p23.2-pter Microdeletions: Seven New Cases Narrowing the Candidate Region and Review of the Literature. Genes (Basel) 2021; 12:genes12050652. [PMID: 33925474 PMCID: PMC8146486 DOI: 10.3390/genes12050652] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 12/11/2022] Open
Abstract
To date only five patients with 8p23.2-pter microdeletions manifesting a mild-to-moderate cognitive impairment and/or developmental delay, dysmorphisms and neurobehavioral issues were reported. The smallest microdeletion described by Wu in 2010 suggested a critical region (CR) of 2.1 Mb including several genes, out of which FBXO25, DLGAP2, CLN8, ARHGEF10 and MYOM2 are the main candidates. Here we present seven additional patients with 8p23.2-pter microdeletions, ranging from 71.79 kb to 4.55 Mb. The review of five previously reported and nine Decipher patients confirmed the association of the CR with a variable clinical phenotype characterized by intellectual disability/developmental delay, including language and speech delay and/or motor impairment, behavioral anomalies, autism spectrum disorder, dysmorphisms, microcephaly, fingers/toes anomalies and epilepsy. Genotype analysis allowed to narrow down the 8p23.3 candidate region which includes only DLGAP2, CLN8 and ARHGEF10 genes, accounting for the main signs of the broad clinical phenotype associated to 8p23.2-pter microdeletions. This region is more restricted compared to the previously proposed CR. Overall, our data favor the hypothesis that DLGAP2 is the actual strongest candidate for neurodevelopmental/behavioral phenotypes. Additional patients will be necessary to validate the pathogenic role of DLGAP2 and better define how the two contiguous genes, ARHGEF10 and CLN8, might contribute to the clinical phenotype.
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Affiliation(s)
- Ilaria Catusi
- Istituto Auxologico Italiano, IRCCS, Laboratory of Medical Cytogenetics and Molecular Genetics, 20145 Milan, Italy
| | - Maria Garzo
- Istituto Auxologico Italiano, IRCCS, Laboratory of Medical Cytogenetics and Molecular Genetics, 20145 Milan, Italy
| | - Anna Paola Capra
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, 98100 Messina, Italy
| | - Silvana Briuglia
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, 98100 Messina, Italy
| | - Chiara Baldo
- UOC Laboratorio di Genetica Umana, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy
| | - Maria Paola Canevini
- Child Neuropsychiatry Unit-Epilepsy Center, Department of Health Sciences, ASST Santi Paolo e Carlo, San Paolo Hospital, Università Degli Studi di Milano, 20142 Milan, Italy
| | - Rachele Cantone
- Medical Genetics Unit, Città della Salute e della Scienza University Hospital, 10126 Turin, Italy
| | - Flaviana Elia
- Unit of Psychology, Oasi Research Institute-IRCCS, 94018 Troina, Italy
| | - Francesca Forzano
- Clinical Genetics Department, Guy's & St Thomas' NHS Foundation Trust, London SE1 9RT, UK
| | - Ornella Galesi
- Laboratory of Medical Genetics, Oasi Research Institute-IRCCS, 94018 Troina, Italy
| | - Enrico Grosso
- Medical Genetics Unit, Città della Salute e della Scienza University Hospital, 10126 Turin, Italy
| | - Michela Malacarne
- UOC Laboratorio di Genetica Umana, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy
| | - Angela Peron
- Child Neuropsychiatry Unit-Epilepsy Center, Department of Health Sciences, ASST Santi Paolo e Carlo, San Paolo Hospital, Università Degli Studi di Milano, 20142 Milan, Italy
- Human Pathology and Medical Genetics, ASST Santi Paolo e Carlo, San Paolo Hospital, 20142 Milan, Italy
- Division of Medical Genetics, Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT 84132, USA
| | - Corrado Romano
- Unit of Pediatrics and Medical Genetics, Oasi Research Institute-IRCCS, 94018 Troina, Italy
| | - Monica Saccani
- Child Neuropsychiatry Unit-Epilepsy Center, Department of Health Sciences, ASST Santi Paolo e Carlo, San Paolo Hospital, Università Degli Studi di Milano, 20142 Milan, Italy
| | - Lidia Larizza
- Istituto Auxologico Italiano, IRCCS, Laboratory of Medical Cytogenetics and Molecular Genetics, 20145 Milan, Italy
| | - Maria Paola Recalcati
- Istituto Auxologico Italiano, IRCCS, Laboratory of Medical Cytogenetics and Molecular Genetics, 20145 Milan, Italy
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