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LaCombe JM, Sloan K, Thomas JR, Blackwell MP, Crawford I, Wallace JM, Roper RJ. Sex specific emergence of trisomic Dyrk1a-related skeletal phenotypes in the development of a Down syndrome mouse model. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.24.595804. [PMID: 38826419 PMCID: PMC11142220 DOI: 10.1101/2024.05.24.595804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Skeletal insufficiency affects all individuals with Down syndrome (DS) or Trisomy 21 (Ts21) and may alter bone strength throughout development due to a reduced period of bone formation and early attainment of peak bone mass compared to typically developing individuals. Appendicular skeletal deficits also appear in males before females with DS. In femurs of male Ts65Dn DS model mice, cortical deficits were pronounced throughout development, but trabecular deficits and Dyrk1a overexpression were transitory until postnatal day (P) 30 when there were persistent trabecular and cortical deficits and Dyrk1a was trending overexpression. Correction of DS-related skeletal deficits by a purported DYRK1A inhibitor or through genetic means beginning at P21 was not effective at P30, but germline normalization of Dyrk1a improved male bone structure by P36. Trabecular and cortical deficits in female Ts65Dn mice were evident at P30 but subsided by P36, typifying periodic developmental skeletal normalizations that progressed to more prominent bone deficiencies. Sex-dependent differences in skeletal deficits with a delayed impact of trisomic Dyrk1a are important to find temporally specific treatment periods for bone and other phenotypes associated with Ts21.
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Affiliation(s)
- Jonathan M. LaCombe
- Department of Biology, Indiana University-Indianapolis, IN, USA
- Labcorp Early Development Laboratories, Inc., Greenfield, IN, USA
| | - Kourtney Sloan
- Department of Biology, Indiana University-Indianapolis, IN, USA
| | - Jared R. Thomas
- Department of Biology, Indiana University-Indianapolis, IN, USA
| | | | | | - Joseph M. Wallace
- Department of Biomedical Engineering, Purdue University, Indianapolis, IN, USA
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2
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Moreau M, Dard R, Madani A, Kandiah J, Kassis N, Ziga J, Castiglione H, Day S, Bourgeois T, Matrot B, Vialard F, Janel N. Prenatal treatment with preimplantation factor improves early postnatal neurogenesis and cognitive impairments in a mouse model of Down syndrome. Cell Mol Life Sci 2024; 81:215. [PMID: 38739166 DOI: 10.1007/s00018-024-05245-9] [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: 01/19/2024] [Revised: 04/01/2024] [Accepted: 04/18/2024] [Indexed: 05/14/2024]
Abstract
Down syndrome (DS) is a genetic disease characterized by a supernumerary chromosome 21. Intellectual deficiency (ID) is one of the most prominent features of DS. Central nervous system defects lead to learning disabilities, motor and language delays, and memory impairments. At present, a prenatal treatment for the ID in DS is lacking. Subcutaneous administration of synthetic preimplantation factor (sPIF, a peptide with a range of biological functions) in a model of severe brain damage has shown neuroprotective and anti-inflammatory properties by directly targeting neurons and microglia. Here, we evaluated the effect of PIF administration during gestation and until weaning on Dp(16)1Yey mice (a mouse model of DS). Possible effects at the juvenile stage were assessed using behavioral tests and molecular and histological analyses of the brain. To test the influence of perinatal sPIF treatment at the adult stage, hippocampus-dependent memory was evaluated on postnatal day 90. Dp(16)1Yey pups showed significant behavioral impairment, with impaired neurogenesis, microglial cell activation and a low microglial cell count, and the deregulated expression of genes linked to neuroinflammation and cell cycle regulation. Treatment with sPIF restored early postnatal hippocampal neurogenesis, with beneficial effects on astrocytes, microglia, inflammation, and cell cycle markers. Moreover, treatment with sPIF restored the level of DYRK1A, a protein that is involved in cognitive impairments in DS. In line with the beneficial effects on neurogenesis, perinatal treatment with sPIF was associated with an improvement in working memory in adult Dp(16)1Yey mice. Perinatal treatment with sPIF might be an option for mitigating cognitive impairments in people with DS.
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Affiliation(s)
- Manon Moreau
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, F-75013, France
| | - Rodolphe Dard
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, F-75013, France
- Université Paris-Saclay, UVSQ, INRAE, ENVA, BREED, Jouy-en-Josas, 78350, France
- Département de Génétique, CHI de Poissy St Germain en Laye, Poissy, 78300, France
| | - Amélia Madani
- NeuroDiderot, INSERM, Université Paris Cité, Paris, F-75019, France
| | - Janany Kandiah
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, F-75013, France
| | - Nadim Kassis
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, F-75013, France
| | - Jessica Ziga
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, F-75013, France
| | | | - Solenn Day
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, F-75013, France
| | - Thomas Bourgeois
- NeuroDiderot, INSERM, Université Paris Cité, Paris, F-75019, France
| | - Boris Matrot
- NeuroDiderot, INSERM, Université Paris Cité, Paris, F-75019, France
| | - François Vialard
- Université Paris-Saclay, UVSQ, INRAE, ENVA, BREED, Jouy-en-Josas, 78350, France
- Département de Génétique, CHI de Poissy St Germain en Laye, Poissy, 78300, France
| | - Nathalie Janel
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, F-75013, France.
- Laboratoire BFA, Université Paris Cité, 3 rue Marie-Andrée Lagroua Weill Hallé, Case, Paris cedex 13, 7104, F-75205, France.
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3
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Llambrich S, Tielemans B, Saliën E, Atzori M, Wouters K, Van Bulck V, Platt M, Vanherp L, Gallego Fernandez N, Grau de la Fuente L, Poptani H, Verlinden L, Himmelreich U, Croitor A, Attanasio C, Callaerts-Vegh Z, Gsell W, Martínez-Abadías N, Vande Velde G. Pleiotropic effects of trisomy and pharmacologic modulation on structural, functional, molecular, and genetic systems in a Down syndrome mouse model. eLife 2024; 12:RP89763. [PMID: 38497812 PMCID: PMC10948151 DOI: 10.7554/elife.89763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024] Open
Abstract
Down syndrome (DS) is characterized by skeletal and brain structural malformations, cognitive impairment, altered hippocampal metabolite concentration and gene expression imbalance. These alterations were usually investigated separately, and the potential rescuing effects of green tea extracts enriched in epigallocatechin-3-gallate (GTE-EGCG) provided disparate results due to different experimental conditions. We overcame these limitations by conducting the first longitudinal controlled experiment evaluating genotype and GTE-EGCG prenatal chronic treatment effects before and after treatment discontinuation. Our findings revealed that the Ts65Dn mouse model reflected the pleiotropic nature of DS, exhibiting brachycephalic skull, ventriculomegaly, neurodevelopmental delay, hyperactivity, and impaired memory robustness with altered hippocampal metabolite concentration and gene expression. GTE-EGCG treatment modulated most systems simultaneously but did not rescue DS phenotypes. On the contrary, the treatment exacerbated trisomic phenotypes including body weight, tibia microarchitecture, neurodevelopment, adult cognition, and metabolite concentration, not supporting the therapeutic use of GTE-EGCG as a prenatal chronic treatment. Our results highlight the importance of longitudinal experiments assessing the co-modulation of multiple systems throughout development when characterizing preclinical models in complex disorders and evaluating the pleiotropic effects and general safety of pharmacological treatments.
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Affiliation(s)
- Sergi Llambrich
- Biomedical MRI, Department of Imaging and Pathology, KU LeuvenLeuvenBelgium
| | - Birger Tielemans
- Biomedical MRI, Department of Imaging and Pathology, KU LeuvenLeuvenBelgium
| | - Ellen Saliën
- Biomedical MRI, Department of Imaging and Pathology, KU LeuvenLeuvenBelgium
| | - Marta Atzori
- Department of Human Genetics, KU LeuvenLeuvenBelgium
| | - Kaat Wouters
- Laboratory of Biological Psychology, KU LeuvenLeuvenBelgium
| | | | - Mark Platt
- Centre for Preclinical Imaging, Department of Molecular and Clinical Cancer Medicine, University of LiverpoolLiverpoolUnited Kingdom
| | - Laure Vanherp
- Biomedical MRI, Department of Imaging and Pathology, KU LeuvenLeuvenBelgium
| | - Nuria Gallego Fernandez
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de BarcelonaBarcelonaSpain
| | - Laura Grau de la Fuente
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de BarcelonaBarcelonaSpain
| | - Harish Poptani
- Centre for Preclinical Imaging, Department of Molecular and Clinical Cancer Medicine, University of LiverpoolLiverpoolUnited Kingdom
| | - Lieve Verlinden
- Clinical and Experimental Endocrinology, KU LeuvenLeuvenBelgium
| | - Uwe Himmelreich
- Biomedical MRI, Department of Imaging and Pathology, KU LeuvenLeuvenBelgium
| | - Anca Croitor
- Biomedical MRI, Department of Imaging and Pathology, KU LeuvenLeuvenBelgium
| | | | | | - Willy Gsell
- Biomedical MRI, Department of Imaging and Pathology, KU LeuvenLeuvenBelgium
| | - Neus Martínez-Abadías
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de BarcelonaBarcelonaSpain
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4
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Delabar JM, Gomes MAGB, Fructuoso M, Sarrazin N, George N, Fleary-Roberts N, Sun H, Bui LC, Rodrigues-Lima F, Janel N, Dairou J, Maria EJ, Dodd RH, Cariou K, Potier MC. EGCG-like non-competitive inhibitor of DYRK1A rescues cognitive defect in a down syndrome model. Eur J Med Chem 2024; 265:116098. [PMID: 38171148 DOI: 10.1016/j.ejmech.2023.116098] [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: 10/06/2023] [Revised: 11/23/2023] [Accepted: 12/23/2023] [Indexed: 01/05/2024]
Abstract
Overexpression of the chromosome 21 DYRK1A gene induces morphological defects and cognitive impairments in individuals with Down syndrome (DS) and in DS mice models. Aging neurons of specific brain regions of patients with Alzheimer's disease, DS and Pick's disease have increased DYRK1A immunoreactivity suggesting a possible association of DYRK1A with neurofibrillary tangle pathology. Epigallocatechin-3-gallate (EGCG) displays appreciable inhibition of DYRK1A activity and, contrary to all other published inhibitors, EGCG is a non-competitive inhibitor of DYRK1A. Prenatal exposure to green tea polyphenols containing EGCG protects from brain defects induced by overexpression of DYRK1A. In order to produce more robust and possibly more active analogues of the natural compound EGCG, here we synthetized new EGCG-like molecules with several structural modifications to the EGCG skeleton. We replaced the ester boun of EGCG with a more resistant amide bond. We also replaced the oxygen ring by a methylene group. And finally, we positioned a nitrogen atom within this ring. The selected compound was shown to maintain the non-competitive property of EGCG and to correct biochemical and behavioral defects present in a DS mouse model. In addition it showed high stability and specificity.
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Affiliation(s)
- Jean M Delabar
- Paris Brain Institute (ICM), Centre National de la Recherche Scientifique (CNRS) UMR 7225, INSERM U1127, Sorbonne Université, Hôpital de la Pitié-Salpêtrière, Paris, 75013, France.
| | - Marco Antônio G B Gomes
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Gif-sur-Yvette, France
| | - Marta Fructuoso
- Paris Brain Institute (ICM), Centre National de la Recherche Scientifique (CNRS) UMR 7225, INSERM U1127, Sorbonne Université, Hôpital de la Pitié-Salpêtrière, Paris, 75013, France
| | - Nadège Sarrazin
- Paris Brain Institute (ICM), Centre National de la Recherche Scientifique (CNRS) UMR 7225, INSERM U1127, Sorbonne Université, Hôpital de la Pitié-Salpêtrière, Paris, 75013, France
| | - Nicolas George
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Gif-sur-Yvette, France
| | - Nadia Fleary-Roberts
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Gif-sur-Yvette, France
| | - Hua Sun
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Linh Chi Bui
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
| | - Fernando Rodrigues-Lima
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
| | - Nathalie Janel
- Team Degenerative Process, Stress and Aging, Unité de Biologie Fonctionnelle et Adaptative, CNRS, Université Paris Cité, F-75013 Paris, France
| | - Julien Dairou
- Université Paris cité, CNRS, Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques, 45 rue des Saints Pères, F-75006 Paris, France
| | - Edmilson J Maria
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602, Campos dos Goytacazes/RJ, Brazil
| | - Robert H Dodd
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Gif-sur-Yvette, France
| | - Kevin Cariou
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Gif-sur-Yvette, France; current address: Chimie ParisTech, PSL University, CNRS, Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology, 75005 Paris, France.
| | - Marie-Claude Potier
- Paris Brain Institute (ICM), Centre National de la Recherche Scientifique (CNRS) UMR 7225, INSERM U1127, Sorbonne Université, Hôpital de la Pitié-Salpêtrière, Paris, 75013, France.
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5
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Abukhaled Y, Hatab K, Awadhalla M, Hamdan H. Understanding the genetic mechanisms and cognitive impairments in Down syndrome: towards a holistic approach. J Neurol 2024; 271:87-104. [PMID: 37561187 PMCID: PMC10769995 DOI: 10.1007/s00415-023-11890-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/15/2023] [Accepted: 07/17/2023] [Indexed: 08/11/2023]
Abstract
The most common genetic cause of intellectual disability is Down syndrome (DS), trisomy 21. It commonly results from three copies of human chromosome 21 (HC21). There are no mutations or deletions involved in DS. Instead, the phenotype is caused by altered transcription of the genes on HC21. These transcriptional variations are responsible for a myriad of symptoms affecting every organ system. A very debilitating aspect of DS is intellectual disability (ID). Although tremendous advances have been made to try and understand the underlying mechanisms of ID, there is a lack of a unified, holistic view to defining the cause and managing the cognitive impairments. In this literature review, we discuss the mechanisms of neuronal over-inhibition, abnormal morphology, and other genetic factors in contributing to the development of ID in DS patients and to gain a holistic understanding of ID in DS patients. We also highlight potential therapeutic approaches to improve the quality of life of DS patients.
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Affiliation(s)
- Yara Abukhaled
- Department of Physiology and Immunology, College of Medicine, and Health Sciences, Khalifa University, 127788, Abu Dhabi, United Arab Emirates
| | - Kenana Hatab
- Department of Physiology and Immunology, College of Medicine, and Health Sciences, Khalifa University, 127788, Abu Dhabi, United Arab Emirates
| | - Mohammad Awadhalla
- Department of Physiology and Immunology, College of Medicine, and Health Sciences, Khalifa University, 127788, Abu Dhabi, United Arab Emirates
| | - Hamdan Hamdan
- Department of Physiology and Immunology, College of Medicine, and Health Sciences, Khalifa University, 127788, Abu Dhabi, United Arab Emirates.
- Healthcare Engineering Innovation Center (HEIC), Khalifa University, 127788, Abu Dhabi, United Arab Emirates.
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6
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Romero NG, Gutierrez G, Teixidó E, Li L, Klose J, Leung PC, Cañigueral S, Fritsche E, Barenys M. Developmental neurotoxicity evaluation of three Chinese herbal medicines in zebrafish larvae by means of two behavioral assays: Touch-evoked response and light/dark transition. Reprod Toxicol 2023; 121:108469. [PMID: 37673194 DOI: 10.1016/j.reprotox.2023.108469] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/28/2023] [Accepted: 09/01/2023] [Indexed: 09/08/2023]
Abstract
Chinese herbal medicine (CHM) is used among pregnant women. However, the question of its safety during pregnancy remains unclear. The use of these products relies on history of use data but there are specific toxicities like developmental neurotoxicity that are clearly understudied. Here we use the zebfrafish embryo developmental toxicity assay (ZEDTA) in combination with two behavioral assays: touch-evoked response and Light/Dark (L/D) transition assay to evaluate the neuro/developmental toxicity of three herbal products commonly used in CHM [Chinese name (abbreviation; part of the plant and Scientific name]: tian ma (TM; tuber form Gastrodia elata Blume), lei gong teng (LGT; root and rhizome of Tripterygium wilfordii Hook.f) and cha ye (green tea, leaves from Camellia sinensis (L.) Kuntze). In case significant alterations were detected, single components with potential exposure during pregnancy were identified in the literature and further tested. TM had no neurodevelopmental toxic potential in zebrafish embryos, while LGT and its main compounds triptolide and celastrol induced significant alterations in behavior. Developmental exposure to EGCG, the main catechin of green tea, also produced significant alterations in zebrafish embryos behavior after developmental exposure. A combination of ZEDTA with L/D Transition assay is proposed as a useful combination of alternative methods for DNT assessment of CHM products together with other New Approach Methodologies (NAMs).
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Affiliation(s)
- Noelia G Romero
- GRET and Toxicology Unit, Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain; Institute of Nutrition and Food Safety of the University of Barcelona (INSA-UB), Spain
| | - Gerard Gutierrez
- GRET and Toxicology Unit, Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
| | - Elisabet Teixidó
- GRET and Toxicology Unit, Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain; Institute of Nutrition and Food Safety of the University of Barcelona (INSA-UB), Spain
| | - Lu Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China; Department of Obstetrics & Gynaecology, Li Ka Shing Institute of Health Sciences, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong; National Key Laboratory of Chinese Medicine Modernization, Innovation Center of Yangtze River Delta, Zhejiang University, 314100, Jiaxing, China
| | - Jördis Klose
- IUF - Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Ping Chung Leung
- Institute of Chinese Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong
| | - Salvador Cañigueral
- Unitat de Farmacologia, Farmacognòsia, i Terapèutica, Facultat de Farmàcia, i Ciències de l'Alimentació, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain
| | - Ellen Fritsche
- IUF - Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany; Medical Faculty, University of Düsseldorf, 40225 Düsseldorf, Germany; DNTOX GmbH, 40223 Düsseldorf, Germany
| | - Marta Barenys
- GRET and Toxicology Unit, Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain; Institute of Nutrition and Food Safety of the University of Barcelona (INSA-UB), Spain; German Centre for the Protection of Laboratory Animals (Bf3R), German Federal Institute for Risk Assessment (BfR), Berlin, Germany.
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7
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Yang Y, Fan X, Liu Y, Ye D, Liu C, Yang H, Su Z, Zhang Y, Liu Y. Function and Inhibition of DYRK1A: emerging roles of treating multiple human diseases. Biochem Pharmacol 2023; 212:115521. [PMID: 36990324 DOI: 10.1016/j.bcp.2023.115521] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/19/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023]
Abstract
Dual-specificity tyrosine phosphorylation-regulated kinase 1A (DYRK1A) is an evolutionarily conserved protein kinase and the most studied member of the Dual-specificity tyrosine-regulated kinase (DYRK) family. It has been shown that it participates in the development of plenty of diseases, and both the low or high expression of DYRK1A protein could lead to disorder. Thus, DYRK1A is recognized as a key target for the therapy for these diseases, and the studies on natural or synthetic DYRK1A inhibitors have become more and more popular. Here, we provide a comprehensive review for DYRK1A from the structure and function of DYRK1A, the roles of DYRK1A in various types of diseases, including diabetes mellitus, neurodegenerative diseases, and kinds of cancers, and the studies of its natural and synthetic inhibitors.
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8
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Yang Y, Booker SA, Clegg JM, Quintana-Urzainqui I, Sumera A, Kozic Z, Dando O, Martin Lorenzo S, Herault Y, Kind PC, Price DJ, Pratt T. Identifying foetal forebrain interneurons as a target for monogenic autism risk factors and the polygenic 16p11.2 microdeletion. BMC Neurosci 2023; 24:5. [PMID: 36658491 PMCID: PMC9850541 DOI: 10.1186/s12868-022-00771-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/21/2022] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Autism spectrum condition or 'autism' is associated with numerous genetic risk factors including the polygenic 16p11.2 microdeletion. The balance between excitatory and inhibitory neurons in the cerebral cortex is hypothesised to be critical for the aetiology of autism making improved understanding of how risk factors impact on the development of these cells an important area of research. In the current study we aim to combine bioinformatics analysis of human foetal cerebral cortex gene expression data with anatomical and electrophysiological analysis of a 16p11.2+/- rat model to investigate how genetic risk factors impact on inhibitory neuron development. METHODS We performed bioinformatics analysis of single cell transcriptomes from gestational week (GW) 8-26 human foetal prefrontal cortex and anatomical and electrophysiological analysis of 16p11.2+/- rat cerebral cortex and hippocampus at post-natal day (P) 21. RESULTS We identified a subset of human interneurons (INs) first appearing at GW23 with enriched expression of a large fraction of risk factor transcripts including those expressed from the 16p11.2 locus. This suggests the hypothesis that these foetal INs are vulnerable to mutations causing autism. We investigated this in a rat model of the 16p11.2 microdeletion. We found no change in the numbers or position of either excitatory or inhibitory neurons in the somatosensory cortex or CA1 of 16p11.2+/- rats but found that CA1 Sst INs were hyperexcitable with an enlarged axon initial segment, which was not the case for CA1 pyramidal cells. LIMITATIONS The human foetal gene expression data was acquired from cerebral cortex between gestational week (GW) 8 to 26. We cannot draw inferences about potential vulnerabilities to genetic autism risk factors for cells not present in the developing cerebral cortex at these stages. The analysis 16p11.2+/- rat phenotypes reported in the current study was restricted to 3-week old (P21) animals around the time of weaning and to a single interneuron cell-type while in human 16p11.2 microdeletion carriers symptoms likely involve multiple cell types and manifest in the first few years of life and on into adulthood. CONCLUSIONS We have identified developing interneurons in human foetal cerebral cortex as potentially vulnerable to monogenic autism risk factors and the 16p11.2 microdeletion and report interneuron phenotypes in post-natal 16p11.2+/- rats.
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Affiliation(s)
- Yifei Yang
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Department of Brain Sciences, Imperial College London, London, W12 0NN, United Kingdom
| | - Sam A Booker
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom
| | - James M Clegg
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom
| | - Idoia Quintana-Urzainqui
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Developmental Biology Unit, European Molecular Biology Laboratory (EMBL), Meyerhofstrasse 1, 69012, Heidelberg, Germany
| | - Anna Sumera
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom
| | - Zrinko Kozic
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom
| | - Owen Dando
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom
| | - Sandra Martin Lorenzo
- CNRS, Université de Strasbourg, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 1 rue Laurent Fries, 67404, Illkirch, France
| | - Yann Herault
- CNRS, Université de Strasbourg, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 1 rue Laurent Fries, 67404, Illkirch, France
| | - Peter C Kind
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom
| | - David J Price
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom
| | - Thomas Pratt
- Simons Initiative for the Developing Brain, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom. .,Centre for Discovery Brain Sciences, The University of Edinburgh, 15 George Square, Edinburgh, EH8 9XD, United Kingdom.
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9
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Kühne BA, Teixidó E, Ettcheto M, Puig T, Planas M, Feliu L, Pla L, Campuzano V, Gratacós E, Fritsche E, Illa M, Barenys M. Application of the adverse outcome pathway to identify molecular changes in prenatal brain programming induced by IUGR: Discoveries after EGCG exposure. Food Chem Toxicol 2022; 170:113506. [DOI: 10.1016/j.fct.2022.113506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 11/11/2022]
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10
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Llambrich S, González-Colom R, Wouters J, Roldán J, Salassa S, Wouters K, Van Bulck V, Sharpe J, Callaerts-Vegh Z, Vande Velde G, Martínez-Abadías N. Green Tea Catechins Modulate Skeletal Development with Effects Dependent on Dose, Time, and Structure in a down Syndrome Mouse Model. Nutrients 2022; 14:nu14194167. [PMID: 36235819 PMCID: PMC9572077 DOI: 10.3390/nu14194167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 11/26/2022] Open
Abstract
Altered skeletal development in Down syndrome (DS) results in a brachycephalic skull, flattened face, shorter mandibular ramus, shorter limbs, and reduced bone mineral density (BMD). Our previous study showed that low doses of green tea extract enriched in epigallocatechin-3-gallate (GTE-EGCG), administered continuously from embryonic day 9 to postnatal day 29, reduced facial dysmorphologies in the Ts65Dn (TS) mouse model of DS, but high doses could exacerbate them. Here, we extended the analyses to other skeletal structures and systematically evaluated the effects of high and low doses of GTE-EGCG treatment over postnatal development in wild-type (WT) and TS mice using in vivo µCT and geometric morphometrics. TS mice developed shorter and wider faces, skulls, and mandibles, together with shorter and narrower humerus and scapula, and reduced BMD dynamically over time. Besides facial morphology, GTE-EGCG did not rescue any other skeletal phenotype in TS treated mice. In WT mice, GTE-EGCG significantly altered the shape of the skull and mandible, reduced the length and width of the long bones, and lowered the BMD. The disparate effects of GTE-EGCG depended on the dose, developmental timepoint, and anatomical structure analyzed, emphasizing the complex nature of DS and the need to further investigate the simultaneous effects of GTE-EGCG supplementation.
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Affiliation(s)
- Sergi Llambrich
- Biomedical MRI, Department of Imaging and Pathology, University of Leuven (KU Leuven), 3000 Leuven, Belgium
| | - Rubèn González-Colom
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Jens Wouters
- Biomedical MRI, Department of Imaging and Pathology, University of Leuven (KU Leuven), 3000 Leuven, Belgium
| | - Jorge Roldán
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Sara Salassa
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Kaat Wouters
- Laboratory of Biological Psychology, University of Leuven (KU Leuven), 3000 Leuven, Belgium
| | - Vicky Van Bulck
- Laboratory of Biological Psychology, University of Leuven (KU Leuven), 3000 Leuven, Belgium
| | - James Sharpe
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
- Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08003 Barcelona, Spain
- EMBL Barcelona, European Molecular Biology Laboratory, 08003 Barcelona, Spain
| | | | - Greetje Vande Velde
- Biomedical MRI, Department of Imaging and Pathology, University of Leuven (KU Leuven), 3000 Leuven, Belgium
- Correspondence: (G.V.V.); (N.M.-A.); Tel.: +32-16330924 (G.V.V.); +34-934034564 (N.M.-A.)
| | - Neus Martínez-Abadías
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
- Correspondence: (G.V.V.); (N.M.-A.); Tel.: +32-16330924 (G.V.V.); +34-934034564 (N.M.-A.)
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11
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Bartesaghi R. Brain circuit pathology in Down syndrome: from neurons to neural networks. Rev Neurosci 2022; 34:365-423. [PMID: 36170842 DOI: 10.1515/revneuro-2022-0067] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/28/2022] [Indexed: 11/15/2022]
Abstract
Down syndrome (DS), a genetic pathology caused by triplication of chromosome 21, is characterized by brain hypotrophy and impairment of cognition starting from infancy. While studies in mouse models of DS have elucidated the major neuroanatomical and neurochemical defects of DS, comparatively fewer investigations have focused on the electrophysiology of the DS brain. Electrical activity is at the basis of brain functioning. Therefore, knowledge of the way in which brain circuits operate in DS is fundamental to understand the causes of behavioral impairment and devise targeted interventions. This review summarizes the state of the art regarding the electrical properties of the DS brain, starting from individual neurons and culminating in signal processing in whole neuronal networks. The reported evidence derives from mouse models of DS and from brain tissues and neurons derived from individuals with DS. EEG data recorded in individuals with DS are also provided as a key tool to understand the impact of brain circuit alterations on global brain activity.
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Affiliation(s)
- Renata Bartesaghi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
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12
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Zuhra K, Petrosino M, Gupta B, Panagaki T, Cecconi M, Myrianthopoulos V, Schneiter R, Mikros E, Majtan T, Szabo C. Epigallocatechin gallate is a potent inhibitor of cystathionine beta-synthase: Structure-activity relationship and mechanism of action. Nitric Oxide 2022; 128:12-24. [PMID: 35973674 DOI: 10.1016/j.niox.2022.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/22/2022] [Accepted: 07/28/2022] [Indexed: 10/31/2022]
Abstract
Epigallocatechin gallate (EGCG) is the main bioactive component of green tea. Through screening of a small library of natural compounds, we discovered that EGCG inhibits cystathionine β-synthase (CBS), a major H2S-generating enzyme. Here we characterize EGCG's mechanism of action in the context of CBS-derived H2S production. In the current project, biochemical, pharmacological and cell biology approaches were used to characterize the effect of EGCG on CBS in cellular models of cancer and Down syndrome (DS). The results show that EGCG binds to CBS and inhibits H2S-producing CBS activity almost 30-times more efficiently than the canonical cystathionine formation (IC50 0.12 versus 3.3 μM). Through screening structural analogs and building blocks, we identified that gallate moiety of EGCG represents the pharmacophore responsible for CBS inhibition. EGCG is a mixed-mode, CBS-specific inhibitor with no effect on the other two major enzymatic sources of H2S, CSE and 3-MST. Unlike the prototypical CBS inhibitor aminooxyacetate, EGCG does not bind the catalytic cofactor of CBS pyridoxal-5'-phosphate. Molecular modeling suggests that EGCG blocks a substrate access channel to pyridoxal-5'-phosphate. EGCG inhibits cellular H2S production in HCT-116 colon cancer cells and in DS fibroblasts. It also exerts effects that are consistent with the functional role of CBS in these cells: in HCT-116 cells it decreases, while in DS cells it improves viability and proliferation. In conclusion, EGCG is a potent inhibitor of CBS-derived H2S production. This effect may contribute to its pharmacological effects in various pathophysiological conditions.
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Affiliation(s)
- Karim Zuhra
- Chair of Pharmacology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 18, Fribourg, 1700, Switzerland
| | - Maria Petrosino
- Chair of Pharmacology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 18, Fribourg, 1700, Switzerland
| | - Barkha Gupta
- Department of Biology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 10, Fribourg, 1700, Switzerland
| | - Theodora Panagaki
- Chair of Pharmacology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 18, Fribourg, 1700, Switzerland
| | - Marco Cecconi
- Chair of Pharmacology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 18, Fribourg, 1700, Switzerland
| | - Vassilios Myrianthopoulos
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Athens, Athens, 15772, Greece
| | - Roger Schneiter
- Department of Biology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 10, Fribourg, 1700, Switzerland
| | - Emmanuel Mikros
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Athens, Athens, 15772, Greece
| | - Tomas Majtan
- Chair of Pharmacology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 18, Fribourg, 1700, Switzerland.
| | - Csaba Szabo
- Chair of Pharmacology, University of Fribourg, Faculty of Science and Medicine, Chemin du Musee 18, Fribourg, 1700, Switzerland.
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13
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Noll C, Kandiah J, Moroy G, Gu Y, Dairou J, Janel N. Catechins as a Potential Dietary Supplementation in Prevention of Comorbidities Linked with Down Syndrome. Nutrients 2022; 14:2039. [PMID: 35631180 PMCID: PMC9147372 DOI: 10.3390/nu14102039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 11/24/2022] Open
Abstract
Plant-derived polyphenols flavonoids are increasingly being recognized for their medicinal potential. These bioactive compounds derived from plants are gaining more interest in ameliorating adverse health risks because of their low toxicity and few side effects. Among them, therapeutic approaches demonstrated the efficacy of catechins, a major group of flavonoids, in reverting several aspects of Down syndrome, the most common genomic disorder that causes intellectual disability. Down syndrome is characterized by increased incidence of developing Alzheimer's disease, obesity, and subsequent metabolic disorders. In this focused review, we examine the main effects of catechins on comorbidities linked with Down syndrome. We also provide evidence of catechin effects on DYRK1A, a dosage-sensitive gene encoding a protein kinase involved in brain defects and metabolic disease associated with Down syndrome.
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Affiliation(s)
- Christophe Noll
- Division of Endocrinology, Department of Medicine, Centre de Recherche du CHUS, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada;
| | - Janany Kandiah
- Unité de Biologie Fonctionnelle et Adaptative, UMR 8251 CNRS, Université Paris Cité, F-75013 Paris, France; (J.K.); (Y.G.)
| | - Gautier Moroy
- Unité de Biologie Fonctionnelle et Adaptative, INSERM CNRS, Université Paris Cité, F-75013 Paris, France;
| | - Yuchen Gu
- Unité de Biologie Fonctionnelle et Adaptative, UMR 8251 CNRS, Université Paris Cité, F-75013 Paris, France; (J.K.); (Y.G.)
| | - Julien Dairou
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, UMR 8601 CNRS, Université Paris Cité, F-75006 Paris, France;
| | - Nathalie Janel
- Unité de Biologie Fonctionnelle et Adaptative, UMR 8251 CNRS, Université Paris Cité, F-75013 Paris, France; (J.K.); (Y.G.)
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14
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Stagni F, Bartesaghi R. The Challenging Pathway of Treatment for Neurogenesis Impairment in Down Syndrome: Achievements and Perspectives. Front Cell Neurosci 2022; 16:903729. [PMID: 35634470 PMCID: PMC9130961 DOI: 10.3389/fncel.2022.903729] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/19/2022] [Indexed: 12/17/2022] Open
Abstract
Down syndrome (DS), also known as trisomy 21, is a genetic disorder caused by triplication of Chromosome 21. Gene triplication may compromise different body functions but invariably impairs intellectual abilities starting from infancy. Moreover, after the fourth decade of life people with DS are likely to develop Alzheimer’s disease. Neurogenesis impairment during fetal life stages and dendritic pathology emerging in early infancy are thought to be key determinants of alterations in brain functioning in DS. Although the progressive improvement in medical care has led to a notable increase in life expectancy for people with DS, there are currently no treatments for intellectual disability. Increasing evidence in mouse models of DS reveals that pharmacological interventions in the embryonic and neonatal periods may greatly benefit brain development and cognitive performance. The most striking results have been obtained with pharmacotherapies during embryonic life stages, indicating that it is possible to pharmacologically rescue the severe neurodevelopmental defects linked to the trisomic condition. These findings provide hope that similar benefits may be possible for people with DS. This review summarizes current knowledge regarding (i) the scope and timeline of neurogenesis (and dendritic) alterations in DS, in order to delineate suitable windows for treatment; (ii) the role of triplicated genes that are most likely to be the key determinants of these alterations, in order to highlight possible therapeutic targets; and (iii) prenatal and neonatal treatments that have proved to be effective in mouse models, in order to rationalize the choice of treatment for human application. Based on this body of evidence we will discuss prospects and challenges for fetal therapy in individuals with DS as a potential means of drastically counteracting the deleterious effects of gene triplication.
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Affiliation(s)
- Fiorenza Stagni
- Department for Life Quality Studies, University of Bologna, Rimini, Italy
| | - Renata Bartesaghi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
- *Correspondence: Renata Bartesaghi,
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15
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Kimura N, Saito K, Niwa T, Yamakawa M, Igaue S, Ohkanda J, Hosoya T, Kii I. Expression and purification of DYRK1A kinase domain in complex with its folding intermediate-selective inhibitor FINDY. Protein Expr Purif 2022; 195-196:106089. [DOI: 10.1016/j.pep.2022.106089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 10/18/2022]
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16
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Llambrich S, González R, Albaigès J, Wouters J, Marain F, Himmelreich U, Sharpe J, Dierssen M, Gsell W, Martínez-Abadías N, Vande Velde G. Multimodal in vivo Imaging of the Integrated Postnatal Development of Brain and Skull and Its Co-modulation With Neurodevelopment in a Down Syndrome Mouse Model. Front Med (Lausanne) 2022; 9:815739. [PMID: 35223915 PMCID: PMC8874331 DOI: 10.3389/fmed.2022.815739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/14/2022] [Indexed: 11/13/2022] Open
Abstract
The brain and skeletal systems are intimately integrated during development through common molecular pathways. This is evidenced by genetic disorders where brain and skull dysmorphologies are associated. However, the mechanisms underlying neural and skeletal interactions are poorly understood. Using the Ts65Dn mouse model of Down syndrome (DS) as a case example, we performed the first longitudinal assessment of brain, skull and neurobehavioral development to determine alterations in the coordinated morphogenesis of brain and skull. We optimized a multimodal protocol combining in vivo micro-computed tomography (μCT) and magnetic resonance imaging (μMRI) with morphometric analyses and neurodevelopmental tests to longitudinally monitor the different systems' development trajectories during the first postnatal weeks. We also explored the impact of a perinatal treatment with green tea extracts enriched in epigallocatechin-3-gallate (GTE-EGCG), which can modulate cognition, brain and craniofacial development in DS. Our analyses quantified alterations associated with DS, with skull dysmorphologies appearing before brain anomalies, reduced integration and delayed acquisition of neurodevelopmental traits. Perinatal GTE-EGCG induced disparate effects and disrupted the magnitude of integration and covariation patterns between brain and skull. Our results exemplify how a longitudinal research approach evaluating the development of multiple systems can reveal the effect of morphological integration modulating the response of pathological phenotypes to treatment, furthering our understanding of complex genetic disorders.
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Affiliation(s)
- Sergi Llambrich
- Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Flanders, Belgium
| | - Rubèn González
- Grup de Recerca en Antropologia Biológica (GREAB), Department of Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Universitat de Barcelona, Barcelona, Spain
- Center for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
| | - Julia Albaigès
- Center for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
- Centro de Investigación Biomédica en Red Enfermedades Raras (CIBERER), Barcelona, Spain
| | - Jens Wouters
- Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Flanders, Belgium
| | - Fopke Marain
- Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Flanders, Belgium
| | - Uwe Himmelreich
- Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Flanders, Belgium
| | - James Sharpe
- Center for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain
- European Molecular Biology Laboratory (EMBL) Barcelona, European Molecular Biology Laboratory, Barcelona, Spain
| | - Mara Dierssen
- Center for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
- Centro de Investigación Biomédica en Red Enfermedades Raras (CIBERER), Barcelona, Spain
| | - Willy Gsell
- Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Flanders, Belgium
| | - Neus Martínez-Abadías
- Grup de Recerca en Antropologia Biológica (GREAB), Department of Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Universitat de Barcelona, Barcelona, Spain
- Center for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
- European Molecular Biology Laboratory (EMBL) Barcelona, European Molecular Biology Laboratory, Barcelona, Spain
- *Correspondence: Neus Martínez-Abadías
| | - Greetje Vande Velde
- Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Flanders, Belgium
- Greetje Vande Velde
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17
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Miyazaki Y, Kikuchi M, Umezawa K, Descamps A, Nakamura D, Furuie G, Sumida T, Saito K, Kimura N, Niwa T, Sumida Y, Umehara T, Hosoya T, Kii I. Structure-activity relationship for the folding intermediate-selective inhibition of DYRK1A. Eur J Med Chem 2022; 227:113948. [PMID: 34742017 DOI: 10.1016/j.ejmech.2021.113948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 01/06/2023]
Abstract
DYRK1A phosphorylates proteins involved in neurological disorders in an intermolecular manner. Meanwhile, during the protein folding process of DYRK1A, a transitional folding intermediate catalyzes the intramolecular autophosphorylation required for the "one-off" inceptive activation and stabilization. In our previous study, a small molecule termed FINDY (1) was identified, which inhibits the folding intermediate-catalyzed intramolecular autophosphorylation of DYRK1A but not the folded state-catalyzed intermolecular phosphorylation. However, the structural features of FINDY (1) responsible for this intermediate-selective inhibition remain elusive. In this study, structural derivatives of FINDY (1) were designed and synthesized according to its predicted binding mode in the ATP pocket of DYRK1A. Quantitative structure-activity relationship (QSAR) of the derivatives revealed that the selectivity against the folding intermediate is determined by steric hindrance between the bulky hydrophobic moiety of the derivatives and the entrance to the pocket. In addition, a potent derivative 3 was identified, which inhibited the folding intermediate more strongly than FINDY (1); it was designated as dp-FINDY. Although dp-FINDY (3) did not inhibit the folded state, as well as FINDY (1), it inhibited the intramolecular autophosphorylation of DYRK1A in an in vitro cell-free protein synthesis assay. Furthermore, dp-FINDY (3) destabilized endogenous DYRK1A in HEK293 cells. This study provides structural insights into the folding intermediate-selective inhibition of DYRK1A and expands the chemical options for the design of a kinase inhibitor.
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Affiliation(s)
- Yuka Miyazaki
- Laboratory for Drug Target Research, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-Minowa, Kami-Ina, Nagano, 399-4598, Japan
| | - Masaki Kikuchi
- Laboratory for Epigenetics Drug Discovery, RIKEN Center for Biosystems Dynamics Research, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Koji Umezawa
- Department of Biomolecular Innovation, Institute for Biomedical Sciences, Shinshu University, 8304 Minami-Minowa, Kami-Ina, Nagano, 399-4598, Japan
| | - Aurelie Descamps
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Daichi Nakamura
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Gaku Furuie
- Laboratory for Drug Target Research, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-Minowa, Kami-Ina, Nagano, 399-4598, Japan
| | - Tomoe Sumida
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Kanako Saito
- Laboratory for Drug Target Research, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-Minowa, Kami-Ina, Nagano, 399-4598, Japan
| | - Ninako Kimura
- Laboratory for Drug Target Research, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-Minowa, Kami-Ina, Nagano, 399-4598, Japan
| | - Takashi Niwa
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Yuto Sumida
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Takashi Umehara
- Laboratory for Epigenetics Drug Discovery, RIKEN Center for Biosystems Dynamics Research, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Takamitsu Hosoya
- Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan; Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Isao Kii
- Laboratory for Drug Target Research, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-Minowa, Kami-Ina, Nagano, 399-4598, Japan; Department of Biomolecular Innovation, Institute for Biomedical Sciences, Shinshu University, 8304 Minami-Minowa, Kami-Ina, Nagano, 399-4598, Japan; Laboratory for Chemical Biology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan.
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18
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Tahtouh T, Durieu E, Villiers B, Bruyère C, Nguyen TL, Fant X, Ahn KH, Khurana L, Deau E, Lindberg MF, Sévère E, Miege F, Roche D, Limanton E, L'Helgoual'ch JM, Burgy G, Guiheneuf S, Herault Y, Kendall DA, Carreaux F, Bazureau JP, Meijer L. Structure-Activity Relationship in the Leucettine Family of Kinase Inhibitors. J Med Chem 2021; 65:1396-1417. [PMID: 34928152 DOI: 10.1021/acs.jmedchem.1c01141] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The protein kinase DYRK1A is involved in Alzheimer's disease, Down syndrome, diabetes, viral infections, and leukemia. Leucettines, a family of 2-aminoimidazolin-4-ones derived from the marine sponge alkaloid Leucettamine B, have been developed as pharmacological inhibitors of DYRKs (dual specificity, tyrosine phosphorylation regulated kinases) and CLKs (cdc2-like kinases). We report here on the synthesis and structure-activity relationship (SAR) of 68 Leucettines. Leucettines were tested on 11 purified kinases and in 5 cellular assays: (1) CLK1 pre-mRNA splicing, (2) Threonine-212-Tau phosphorylation, (3) glutamate-induced cell death, (4) autophagy and (5) antagonism of ligand-activated cannabinoid receptor CB1. The Leucettine SAR observed for DYRK1A is essentially identical for CLK1, CLK4, DYRK1B, and DYRK2. DYRK3 and CLK3 are less sensitive to Leucettines. In contrast, the cellular SAR highlights correlations between inhibition of specific kinase targets and some but not all cellular effects. Leucettines deserve further development as potential therapeutics against various diseases on the basis of their molecular targets and cellular effects.
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Affiliation(s)
- Tania Tahtouh
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France.,CNRS, 'Protein Phosphorylation and Human Disease' Group, Station Biologique De Roscoff, Place G. Teissier, Bp 74, 29682 Roscoff, Bretagne, France.,College Of Health Sciences, Abu Dhabi University, Abu Dhabi, United Arab Emirates
| | - Emilie Durieu
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France.,CNRS, 'Protein Phosphorylation and Human Disease' Group, Station Biologique De Roscoff, Place G. Teissier, Bp 74, 29682 Roscoff, Bretagne, France
| | - Benoît Villiers
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France
| | - Céline Bruyère
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France
| | - Thu Lan Nguyen
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France.,Institut De Génétique Et De Biologie Moléculaire et Cellulaire, Department of Translational Medicine and Neurogenetics, Université de Strasbourg, CNRS UMR7104 & INSERM U964, 67400 Illkirch, France.,Laboratory of Molecular & Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, New York 10021-6399, United States
| | - Xavier Fant
- CNRS, 'Protein Phosphorylation and Human Disease' Group, Station Biologique De Roscoff, Place G. Teissier, Bp 74, 29682 Roscoff, Bretagne, France
| | - Kwang H Ahn
- Department of Pharmaceutical Sciences, University of Connecticut, 69 N Eagleville Rd, Storrs, Connecticut 06269, United States
| | - Leepakshi Khurana
- Department of Pharmaceutical Sciences, University of Connecticut, 69 N Eagleville Rd, Storrs, Connecticut 06269, United States
| | - Emmanuel Deau
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France
| | - Mattias F Lindberg
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France
| | - Elodie Sévère
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France
| | - Frédéric Miege
- Edelris, Bâtiment Bioserra 1, 60 avenue Rockefeller, 69008 Lyon, France
| | - Didier Roche
- Edelris, Bâtiment Bioserra 1, 60 avenue Rockefeller, 69008 Lyon, France
| | - Emmanuelle Limanton
- Institut des Sciences Chimiques de Rennes ISCR-UMR CNRS 6226, Université de Rennes 1, Campus de Beaulieu, Bât. 10A, CS 74205, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Jean-Martial L'Helgoual'ch
- Institut des Sciences Chimiques de Rennes ISCR-UMR CNRS 6226, Université de Rennes 1, Campus de Beaulieu, Bât. 10A, CS 74205, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Guillaume Burgy
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France.,Institut des Sciences Chimiques de Rennes ISCR-UMR CNRS 6226, Université de Rennes 1, Campus de Beaulieu, Bât. 10A, CS 74205, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Solène Guiheneuf
- Institut des Sciences Chimiques de Rennes ISCR-UMR CNRS 6226, Université de Rennes 1, Campus de Beaulieu, Bât. 10A, CS 74205, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Yann Herault
- Institut De Génétique Et De Biologie Moléculaire et Cellulaire, Department of Translational Medicine and Neurogenetics, Université de Strasbourg, CNRS UMR7104 & INSERM U964, 67400 Illkirch, France
| | - Debra A Kendall
- Department of Pharmaceutical Sciences, University of Connecticut, 69 N Eagleville Rd, Storrs, Connecticut 06269, United States
| | - François Carreaux
- Institut des Sciences Chimiques de Rennes ISCR-UMR CNRS 6226, Université de Rennes 1, Campus de Beaulieu, Bât. 10A, CS 74205, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Jean-Pierre Bazureau
- Institut des Sciences Chimiques de Rennes ISCR-UMR CNRS 6226, Université de Rennes 1, Campus de Beaulieu, Bât. 10A, CS 74205, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Laurent Meijer
- Manros Therapeutics & Perha Pharmaceuticals, Perharidy Research Center, 29680 Roscoff, Bretagne, France
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Shanmugam H, Ganguly S, Priya B. Plant food bioactives and its effects on gut microbiota profile modulation for better brain health and functioning in Autism Spectrum Disorder individuals: A review. FOOD FRONTIERS 2021. [DOI: 10.1002/fft2.125] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Haripriya Shanmugam
- Department of Nano Science and Technology Tamil Nadu Agricultural University Coimbatore India
| | | | - Badma Priya
- Molecular Biophysics Unit Indian Institute of Science Bangalore India
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20
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Sierra C, De Toma I, Cascio LL, Vegas E, Dierssen M. Social Factors Influence Behavior in the Novel Object Recognition Task in a Mouse Model of Down Syndrome. Front Behav Neurosci 2021; 15:772734. [PMID: 34803627 PMCID: PMC8602686 DOI: 10.3389/fnbeh.2021.772734] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 10/05/2021] [Indexed: 11/24/2022] Open
Abstract
The use of mouse models has revolutionized the field of Down syndrome (DS), increasing our knowledge about neuropathology and helping to propose new therapies for cognitive impairment. However, concerns about the reproducibility of results in mice and their translatability to humans have become a major issue, and controlling for moderators of behavior is essential. Social and environmental factors, the experience of the researcher, and the sex and strain of the animals can all have effects on behavior, and their impact on DS mouse models has not been explored. Here we analyzed the influence of a number of social and environmental factors, usually not taken into consideration, on the behavior of male and female wild-type and trisomic mice (the Ts65Dn model) in one of the most used tests for proving drug effects on memory, the novel object recognition (NOR) test. Using principal component analysis and correlation matrices, we show that the ratio of trisomic mice in the cage, the experience of the experimenter, and the timing of the test have a differential impact on male and female and on wild-type and trisomic behavior. We conclude that although the NOR test is quite robust and less susceptible to environmental influences than expected, to obtain useful results, the phenotype expression must be contrasted against the influences of social and environmental factors.
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Affiliation(s)
- Cesar Sierra
- Center for Genomic Regulation, The Barcelona Institute for Science and Technology, Barcelona, Spain
| | - Ilario De Toma
- Neurosciences Research Program, Hospital del Mar Medical Research Institute, Barcelona, Spain
| | - Lorenzo Lo Cascio
- Center for Genomic Regulation, The Barcelona Institute for Science and Technology, Barcelona, Spain
| | - Esteban Vegas
- Department of Genetics, Microbiology and Statistics, Section of Statistics, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Mara Dierssen
- Center for Genomic Regulation, The Barcelona Institute for Science and Technology, Barcelona, Spain.,Department of Experimental and Health Sciences, University Pompeu Fabra, Barcelona, Spain.,Biomedical Research Networking Center for Rare Diseases (CIBERER), Barcelona, Spain
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21
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Atas-Ozcan H, Brault V, Duchon A, Herault Y. Dyrk1a from Gene Function in Development and Physiology to Dosage Correction across Life Span in Down Syndrome. Genes (Basel) 2021; 12:1833. [PMID: 34828439 PMCID: PMC8624927 DOI: 10.3390/genes12111833] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 01/12/2023] Open
Abstract
Down syndrome is the main cause of intellectual disabilities with a large set of comorbidities from developmental origins but also that appeared across life span. Investigation of the genetic overdosage found in Down syndrome, due to the trisomy of human chromosome 21, has pointed to one main driver gene, the Dual-specificity tyrosine-regulated kinase 1A (Dyrk1a). Dyrk1a is a murine homolog of the drosophila minibrain gene. It has been found to be involved in many biological processes during development and in adulthood. Further analysis showed its haploinsufficiency in mental retardation disease 7 and its involvement in Alzheimer's disease. DYRK1A plays a role in major developmental steps of brain development, controlling the proliferation of neural progenitors, the migration of neurons, their dendritogenesis and the function of the synapse. Several strategies targeting the overdosage of DYRK1A in DS with specific kinase inhibitors have showed promising evidence that DS cognitive conditions can be alleviated. Nevertheless, providing conditions for proper temporal treatment and to tackle the neurodevelopmental and the neurodegenerative aspects of DS across life span is still an open question.
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Affiliation(s)
- Helin Atas-Ozcan
- Université de Strasbourg, CNRS, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 1 rue Laurent Fries, 67404 Illkirch Graffenstaden, France; (H.A.-O.); (V.B.); (A.D.)
| | - Véronique Brault
- Université de Strasbourg, CNRS, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 1 rue Laurent Fries, 67404 Illkirch Graffenstaden, France; (H.A.-O.); (V.B.); (A.D.)
| | - Arnaud Duchon
- Université de Strasbourg, CNRS, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 1 rue Laurent Fries, 67404 Illkirch Graffenstaden, France; (H.A.-O.); (V.B.); (A.D.)
| | - Yann Herault
- Université de Strasbourg, CNRS, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 1 rue Laurent Fries, 67404 Illkirch Graffenstaden, France; (H.A.-O.); (V.B.); (A.D.)
- Université de Strasbourg, CNRS, INSERM, Celphedia, Phenomin-Institut Clinique de la Souris (ICS), 1 rue Laurent Fries, 67404 Illkirch Graffenstaden, France
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22
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Stensen W, Rothweiler U, Engh RA, Stasko MR, Bederman I, Costa ACS, Fugelli A, Svendsen JSM. Novel DYRK1A Inhibitor Rescues Learning and Memory Deficits in a Mouse Model of Down Syndrome. Pharmaceuticals (Basel) 2021; 14:ph14111170. [PMID: 34832952 PMCID: PMC8617627 DOI: 10.3390/ph14111170] [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: 10/08/2021] [Revised: 11/05/2021] [Accepted: 11/13/2021] [Indexed: 01/20/2023] Open
Abstract
Down syndrome (DS) is a complex genetic disorder associated with substantial physical, cognitive, and behavioral challenges. Due to better treatment options for the physical co-morbidities of DS, the life expectancy of individuals with DS is beginning to approach that of the general population. However, the cognitive deficits seen in individuals with DS still cannot be addressed pharmacologically. In young individuals with DS, the level of intellectual disability varies from mild to severe, but cognitive ability generally decreases with increasing age, and all individuals with DS have early onset Alzheimer’s disease (AD) pathology by the age of 40. The present study introduces a novel inhibitor for the protein kinase DYRK1A, a key controlling kinase whose encoding gene is located on chromosome 21. The novel inhibitor is well characterized for use in mouse models and thus represents a valuable tool compound for further DYRK1A research.
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Affiliation(s)
- Wenche Stensen
- Department of Chemistry, UiT, The Arctic University of Norway, 9037 Tromsø, Norway; (W.S.); (U.R.); (R.A.E.)
- Pharmasum Therapeutics AS, Gaustadalleen 21, 0349 Oslo, Norway;
| | - Ulli Rothweiler
- Department of Chemistry, UiT, The Arctic University of Norway, 9037 Tromsø, Norway; (W.S.); (U.R.); (R.A.E.)
- Pharmasum Therapeutics AS, Gaustadalleen 21, 0349 Oslo, Norway;
| | - Richard Alan Engh
- Department of Chemistry, UiT, The Arctic University of Norway, 9037 Tromsø, Norway; (W.S.); (U.R.); (R.A.E.)
| | - Melissa R. Stasko
- Departments of Pediatrics, Psychiatry, Macromolecular Science and Engineering, Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH 44106, USA; (M.R.S.); (I.B.); (A.C.S.C.)
| | - Ilya Bederman
- Departments of Pediatrics, Psychiatry, Macromolecular Science and Engineering, Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH 44106, USA; (M.R.S.); (I.B.); (A.C.S.C.)
| | - Alberto C. S. Costa
- Departments of Pediatrics, Psychiatry, Macromolecular Science and Engineering, Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH 44106, USA; (M.R.S.); (I.B.); (A.C.S.C.)
| | - Anders Fugelli
- Pharmasum Therapeutics AS, Gaustadalleen 21, 0349 Oslo, Norway;
| | - John S. Mjøen Svendsen
- Department of Chemistry, UiT, The Arctic University of Norway, 9037 Tromsø, Norway; (W.S.); (U.R.); (R.A.E.)
- Pharmasum Therapeutics AS, Gaustadalleen 21, 0349 Oslo, Norway;
- Correspondence:
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23
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da Costa Alves M, Pereira DE, de Cássia de Araújo Bidô R, Rufino Freitas JC, Fernandes Dos Santos CP, Barbosa Soares JK. Effects of the aqueous extract of Phyllanthus niruri Linn during pregnancy and lactation on neurobehavioral parameters of rats' offspring. JOURNAL OF ETHNOPHARMACOLOGY 2021; 270:113862. [PMID: 33484906 DOI: 10.1016/j.jep.2021.113862] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/29/2020] [Accepted: 01/18/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Phyllanthus niruri L. (Phyllanthaceae) is a plant used in traditional medicine, mainly to treat kidney stones. However, the effects of maternal exposure to P. niruri remain poorly explored. AIM OF THE STUDY The objective of this study was to investigate the effects of administration of aqueous extract of P. niruri (AEPN) during pregnancy and lactation, in maternal toxicity, reflex maturation, and offspring memory. MATERIALS AND METHODS Pregnant rats were divided into three groups (n = 8/group): Control (vehicle), AEPN 75, and AEPN 150 (each respectively treated with P. niruri at a dose of 75 and 150 mg/kg/day). The animals were treated via intragastric gavage during pregnancy and lactation. Weight gain, feed intake, and reproductive performance were analyzed in the mothers. In the offspring, the following tests were performed: Neonatal Reflex Ontogeny, Open Field Habituation Test and the Object Recognition Test in adulthood. RESULTS Maternal exposure to AEPN did not influence weight gain, feed intake, or reproductive parameters. In the offspring, anticipation of reflex ontogenesis (time of completion) was observed (p < 0.05). During adulthood, the AEPN groups presented decreases in exploratory activity upon their second exposure to the Open Field Habituation Test (in a dose-dependent manner) (p < 0.05). In the Object Recognition Test, administration of the extract at 75 and 150 mg/kg induced significant dose-dependent improvements in short and long-term memory (p < 0.05). CONCLUSION Administration of the AEPN accelerated the reflex maturation in neonates, and improved offspring memory while inducing no maternal or neonatal toxicity.
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Affiliation(s)
- Maciel da Costa Alves
- Federal University of Campina Grande, Sítio Olho d'água da Bica, 58175-000, Cuité, Paraíba State, Brazil; Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Sítio Olho d'água da Bica, 58175-000, Cuité, Paraíba State, Brazil.
| | - Diego Elias Pereira
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Sítio Olho d'água da Bica, 58175-000, Cuité, Paraíba State, Brazil; Federal University of Paraiba, University City, 58051-900, João Pessoa, Paraíba State, Brazil.
| | - Rita de Cássia de Araújo Bidô
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Sítio Olho d'água da Bica, 58175-000, Cuité, Paraíba State, Brazil; Federal University of Paraiba, University City, 58051-900, João Pessoa, Paraíba State, Brazil.
| | - Juliano Carlo Rufino Freitas
- Federal University of Campina Grande, Sítio Olho d'água da Bica, 58175-000, Cuité, Paraíba State, Brazil; Chemistry Department, Rural Federal University of Pernambuco, University City, 50740-540, Recife, Pernambuco State, Brazil.
| | | | - Juliana Késsia Barbosa Soares
- Federal University of Campina Grande, Sítio Olho d'água da Bica, 58175-000, Cuité, Paraíba State, Brazil; Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Sítio Olho d'água da Bica, 58175-000, Cuité, Paraíba State, Brazil; Federal University of Paraiba, University City, 58051-900, João Pessoa, Paraíba State, Brazil.
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24
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Effects of high fat diet-induced obesity and pregnancy on prepartum and postpartum maternal mouse behavior. Psychoneuroendocrinology 2021; 126:105147. [PMID: 33497916 DOI: 10.1016/j.psyneuen.2021.105147] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 12/12/2020] [Accepted: 01/18/2021] [Indexed: 01/22/2023]
Abstract
Obesity before and during pregnancy negatively affects the mental and physical health of the mother. A diet high in fat also increases the risk for anxiety, depression and cognitive dysfunction. We examined the effects of high fat diet (HFD) -induced obesity and pregnancy on maternal behavior, cognitive function and anxiety- and depression-like behaviors in mice. Four-week-old female CD-1 mice were placed on a HFD or regular chow diet (RCD) for 5 weeks. Mice were maintained on either diet as non-pregnant HFD and RCD groups, or allowed to breed, and then fed these diets throughout gestation, lactation and after weaning, as pregnant HFD and RCD groups. Mice on HFD but not on RCD for 5 weeks pre-pregnancy significantly gained weight and had impaired glucose clearance. Maternal behavior was assessed by nest building prepartum and pup-retrieval postpartum. Anxiety-like behavior was evaluated both prepartum and postpartum by elevated plus maze and cognitive function was assessed by the novel object recognition test postpartum. Anhedonia, a measure of impaired reward function, is an endophenotype of depression and was assessed by sucrose preference test pre- and post-weaning in dams. Mice on HFD in pregnancy exhibited both impaired maternal behavior and cognitive function in the postpartum period. We did not detect measurable differences between the HFD and RCD groups in anxiety-like behavior in the prepartum period. In contrast, HFD was also associated with anhedonia in pregnant mice pre-weaning, and anxiety-like behavior post-weaning. Thus, HFD has a negative effect on maternal behavior in the outbred CD-1 mouse, which provides a model to study associated outcomes and related mechanisms.
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25
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Starbuck JM, Llambrich S, Gonzàlez R, Albaigès J, Sarlé A, Wouters J, González A, Sevillano X, Sharpe J, De La Torre R, Dierssen M, Vande Velde G, Martínez-Abadías N. Green tea extracts containing epigallocatechin-3-gallate modulate facial development in Down syndrome. Sci Rep 2021; 11:4715. [PMID: 33633179 PMCID: PMC7907288 DOI: 10.1038/s41598-021-83757-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/29/2020] [Indexed: 02/07/2023] Open
Abstract
Trisomy of human chromosome 21 (Down syndrome, DS) alters development of multiple organ systems, including the face and underlying skeleton. Besides causing stigmata, these facial dysmorphologies can impair vital functions such as hearing, breathing, mastication, and health. To investigate the therapeutic potential of green tea extracts containing epigallocatechin-3-gallate (GTE-EGCG) for alleviating facial dysmorphologies associated with DS, we performed an experimental study with continued pre- and postnatal treatment with two doses of GTE-EGCG supplementation in a mouse model of DS, and an observational study of children with DS whose parents administered EGCG as a green tea supplement. We evaluated the effect of high (100 mg/kg/day) or low doses (30 mg/kg/day) of GTE-EGCG, administered from embryonic day 9 to post-natal day 29, on the facial skeletal development in the Ts65Dn mouse model. In a cross-sectional observational study, we assessed the facial shape in DS and evaluated the effects of self-medication with green tea extracts in children from 0 to 18 years old. The main outcomes are 3D quantitative morphometric measures of the face, acquired either with micro-computed tomography (animal study) or photogrammetry (human study). The lowest experimentally tested GTE-EGCG dose improved the facial skeleton morphology in a mouse model of DS. In humans, GTE-EGCG supplementation was associated with reduced facial dysmorphology in children with DS when treatment was administered during the first 3 years of life. However, higher GTE-EGCG dosing disrupted normal development and increased facial dysmorphology in both trisomic and euploid mice. We conclude that GTE-EGCG modulates facial development with dose-dependent effects. Considering the potentially detrimental effects observed in mice, the therapeutic relevance of controlled GTE-EGCG administration towards reducing facial dysmorphology in young children with Down syndrome has yet to be confirmed by clinical studies.
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Affiliation(s)
- John M Starbuck
- Department of Anthropology, University of Central Florida, Orlando, FL, USA
- Indiana University Robert H. McKinney School of Law, Indianapolis, IN, USA
| | - Sergi Llambrich
- Department of Imaging and Pathology, Biomedical MRI Unit/Molecular Small Animal Imaging Center (MoSAIC), KU Leuven, Flanders, Belgium
| | - Rubèn Gonzàlez
- GREAB-Research Group in Biological Anthropology, Department of Evolutionary Biology, Ecology and Environmental Sciences (BEECA), Universitat de Barcelona (UB), Barcelona, Spain
| | - Julia Albaigès
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Rare Diseases-CIBERER, Barcelona, Spain
| | - Anna Sarlé
- GREAB-Research Group in Biological Anthropology, Department of Evolutionary Biology, Ecology and Environmental Sciences (BEECA), Universitat de Barcelona (UB), Barcelona, Spain
| | - Jens Wouters
- Department of Imaging and Pathology, Biomedical MRI Unit/Molecular Small Animal Imaging Center (MoSAIC), KU Leuven, Flanders, Belgium
| | - Alejandro González
- GTM-Grup de Recerca en Tecnologies Mèdia, Universitat Ramon Llull, La Salle, Barcelona, Spain
| | - Xavier Sevillano
- GTM-Grup de Recerca en Tecnologies Mèdia, Universitat Ramon Llull, La Salle, Barcelona, Spain
| | - James Sharpe
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Institució Catalana de Recerca I Estudis Avançats (ICREA), Barcelona, Spain
- EMBL Barcelona, European Molecular Biology Laboratory, Barcelona, Spain
| | - Rafael De La Torre
- Integrative Pharmacology and Systems Neuroscience, IMIM-Hospital del Mar Medical Research Institute, Barcelona, Spain
- CIBER Physiopathology of Obesity and Nutrition-CIBERobn, Madrid, Spain
| | - Mara Dierssen
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Rare Diseases-CIBERER, Barcelona, Spain
| | - Greetje Vande Velde
- Department of Imaging and Pathology, Biomedical MRI Unit/Molecular Small Animal Imaging Center (MoSAIC), KU Leuven, Flanders, Belgium
| | - Neus Martínez-Abadías
- GREAB-Research Group in Biological Anthropology, Department of Evolutionary Biology, Ecology and Environmental Sciences (BEECA), Universitat de Barcelona (UB), Barcelona, Spain.
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain.
- EMBL Barcelona, European Molecular Biology Laboratory, Barcelona, Spain.
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26
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Lanzillotta C, Di Domenico F. Stress Responses in Down Syndrome Neurodegeneration: State of the Art and Therapeutic Molecules. Biomolecules 2021; 11:biom11020266. [PMID: 33670211 PMCID: PMC7916967 DOI: 10.3390/biom11020266] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/05/2021] [Accepted: 02/09/2021] [Indexed: 12/11/2022] Open
Abstract
Down syndrome (DS) is the most common genomic disorder characterized by the increased incidence of developing early Alzheimer’s disease (AD). In DS, the triplication of genes on chromosome 21 is intimately associated with the increase of AD pathological hallmarks and with the development of brain redox imbalance and aberrant proteostasis. Increasing evidence has recently shown that oxidative stress (OS), associated with mitochondrial dysfunction and with the failure of antioxidant responses (e.g., SOD1 and Nrf2), is an early signature of DS, promoting protein oxidation and the formation of toxic protein aggregates. In turn, systems involved in the surveillance of protein synthesis/folding/degradation mechanisms, such as the integrated stress response (ISR), the unfolded stress response (UPR), and autophagy, are impaired in DS, thus exacerbating brain damage. A number of pre-clinical and clinical studies have been applied to the context of DS with the aim of rescuing redox balance and proteostasis by boosting the antioxidant response and/or inducing the mechanisms of protein re-folding and clearance, and at final of reducing cognitive decline. So far, such therapeutic approaches demonstrated their efficacy in reverting several aspects of DS phenotype in murine models, however, additional studies aimed to translate these approaches in clinical practice are still needed.
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27
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Bayona-Bafaluy MP, Garrido-Pérez N, Meade P, Iglesias E, Jiménez-Salvador I, Montoya J, Martínez-Cué C, Ruiz-Pesini E. Down syndrome is an oxidative phosphorylation disorder. Redox Biol 2021; 41:101871. [PMID: 33540295 PMCID: PMC7859316 DOI: 10.1016/j.redox.2021.101871] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/29/2020] [Accepted: 01/13/2021] [Indexed: 02/07/2023] Open
Abstract
Down syndrome is the most common genomic disorder of intellectual disability and is caused by trisomy of chromosome 21. Several genes in this chromosome repress mitochondrial biogenesis. The goal of this study was to evaluate whether early overexpression of these genes may cause a prenatal impairment of oxidative phosphorylation negatively affecting neurogenesis. Reduction in the mitochondrial energy production and a lower mitochondrial function have been reported in diverse tissues or cell types, and also at any age, including early fetuses, suggesting that a defect in oxidative phosphorylation is an early and general event in Down syndrome individuals. Moreover, many of the medical conditions associated with Down syndrome are also frequently found in patients with oxidative phosphorylation disease. Several drugs that enhance mitochondrial biogenesis are nowadays available and some of them have been already tested in mouse models of Down syndrome restoring neurogenesis and cognitive defects. Because neurogenesis relies on a correct mitochondrial function and critical periods of brain development occur mainly in the prenatal and early neonatal stages, therapeutic approaches intended to improve oxidative phosphorylation should be provided in these periods. Several chromosome 21-encoded proteins repress mitochondrial biogenesis. These proteins are overexpressed in fetal brains of Down syndrome (DS) individuals. Oxidative phosphorylation function is essential for neurogenesis. Upregulation of these proteins adversely impact on neurogenesis. Prenatal therapy with drugs inhibiting these proteins would increase DS neurogenesis.
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Affiliation(s)
- M Pilar Bayona-Bafaluy
- Departamento de Bioquímica, Biología Molecular y Celular, Universidad de Zaragoza, C/ Miguel Servet, 177. 50013, Zaragoza, Spain and C/ Pedro Cerbuna, 12, 50009, Zaragoza, Spain; Instituto de Investigación Sanitaria (IIS) de Aragón, Av. San Juan Bosco, 13, 50009, Zaragoza, Spain; Centro de Investigaciones Biomédicas en Rd de Enfermedades Raras (CIBERER), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain; Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Universidad de Zaragoza. C/ Mariano Esquillor (Edificio I+D), 50018, Zaragoza, Spain.
| | - Nuria Garrido-Pérez
- Departamento de Bioquímica, Biología Molecular y Celular, Universidad de Zaragoza, C/ Miguel Servet, 177. 50013, Zaragoza, Spain and C/ Pedro Cerbuna, 12, 50009, Zaragoza, Spain; Instituto de Investigación Sanitaria (IIS) de Aragón, Av. San Juan Bosco, 13, 50009, Zaragoza, Spain; Centro de Investigaciones Biomédicas en Rd de Enfermedades Raras (CIBERER), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain; Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Universidad de Zaragoza. C/ Mariano Esquillor (Edificio I+D), 50018, Zaragoza, Spain.
| | - Patricia Meade
- Departamento de Bioquímica, Biología Molecular y Celular, Universidad de Zaragoza, C/ Miguel Servet, 177. 50013, Zaragoza, Spain and C/ Pedro Cerbuna, 12, 50009, Zaragoza, Spain; Instituto de Investigación Sanitaria (IIS) de Aragón, Av. San Juan Bosco, 13, 50009, Zaragoza, Spain; Centro de Investigaciones Biomédicas en Rd de Enfermedades Raras (CIBERER), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain; Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Universidad de Zaragoza. C/ Mariano Esquillor (Edificio I+D), 50018, Zaragoza, Spain.
| | - Eldris Iglesias
- Departamento de Bioquímica, Biología Molecular y Celular, Universidad de Zaragoza, C/ Miguel Servet, 177. 50013, Zaragoza, Spain and C/ Pedro Cerbuna, 12, 50009, Zaragoza, Spain; Instituto de Investigación Sanitaria (IIS) de Aragón, Av. San Juan Bosco, 13, 50009, Zaragoza, Spain.
| | - Irene Jiménez-Salvador
- Departamento de Bioquímica, Biología Molecular y Celular, Universidad de Zaragoza, C/ Miguel Servet, 177. 50013, Zaragoza, Spain and C/ Pedro Cerbuna, 12, 50009, Zaragoza, Spain; Instituto de Investigación Sanitaria (IIS) de Aragón, Av. San Juan Bosco, 13, 50009, Zaragoza, Spain.
| | - Julio Montoya
- Departamento de Bioquímica, Biología Molecular y Celular, Universidad de Zaragoza, C/ Miguel Servet, 177. 50013, Zaragoza, Spain and C/ Pedro Cerbuna, 12, 50009, Zaragoza, Spain; Instituto de Investigación Sanitaria (IIS) de Aragón, Av. San Juan Bosco, 13, 50009, Zaragoza, Spain; Centro de Investigaciones Biomédicas en Rd de Enfermedades Raras (CIBERER), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain.
| | - Carmen Martínez-Cué
- Departamento de Fisiología y Farmacología. Facultad de Medicina, Universidad de Cantabria. Av. Herrera Oría, 39011, Santander, Spain.
| | - Eduardo Ruiz-Pesini
- Departamento de Bioquímica, Biología Molecular y Celular, Universidad de Zaragoza, C/ Miguel Servet, 177. 50013, Zaragoza, Spain and C/ Pedro Cerbuna, 12, 50009, Zaragoza, Spain; Instituto de Investigación Sanitaria (IIS) de Aragón, Av. San Juan Bosco, 13, 50009, Zaragoza, Spain; Centro de Investigaciones Biomédicas en Rd de Enfermedades Raras (CIBERER), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain.
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Laham AJ, Saber-Ayad M, El-Awady R. DYRK1A: a down syndrome-related dual protein kinase with a versatile role in tumorigenesis. Cell Mol Life Sci 2021; 78:603-619. [PMID: 32870330 PMCID: PMC11071757 DOI: 10.1007/s00018-020-03626-4] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 07/22/2020] [Accepted: 08/18/2020] [Indexed: 12/14/2022]
Abstract
Dual-specificity tyrosine phosphorylation-regulated kinase 1A (DYRK1A) is a dual kinase that can phosphorylate its own activation loop on tyrosine residue and phosphorylate its substrates on threonine and serine residues. It is the most studied member of DYRK kinases, because its gene maps to human chromosome 21 within the Down syndrome critical region (DSCR). DYRK1A overexpression was found to be responsible for the phenotypic features observed in Down syndrome such as mental retardation, early onset neurodegenerative, and developmental heart defects. Besides its dual activity in phosphorylation, DYRK1A carries the characteristic of duality in tumorigenesis. Many studies indicate its possible role as a tumor suppressor gene; however, others prove its pro-oncogenic activity. In this review, we will focus on its multifaceted role in tumorigenesis by explaining its participation in some cancer hallmarks pathways such as proliferative signaling, transcription, stress, DNA damage repair, apoptosis, and angiogenesis, and finally, we will discuss targeting DYRK1A as a potential strategy for management of cancer and neurodegenerative disorders.
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Affiliation(s)
- Amina Jamal Laham
- College of Medicine, University of Sharjah, Sharjah, UAE
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Maha Saber-Ayad
- College of Medicine, University of Sharjah, Sharjah, UAE.
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE.
| | - Raafat El-Awady
- College of Medicine, University of Sharjah, Sharjah, UAE.
- College of Pharmacy, University of Sharjah, Sharjah, UAE.
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Almeida L, Andreu-Fernández V, Navarro-Tapia E, Aras-López R, Serra-Delgado M, Martínez L, García-Algar O, Gómez-Roig MD. Murine Models for the Study of Fetal Alcohol Spectrum Disorders: An Overview. Front Pediatr 2020; 8:359. [PMID: 32760684 PMCID: PMC7373736 DOI: 10.3389/fped.2020.00359] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 05/29/2020] [Indexed: 12/15/2022] Open
Abstract
Prenatal alcohol exposure is associated to different physical, behavioral, cognitive, and neurological impairments collectively known as fetal alcohol spectrum disorder. The underlying mechanisms of ethanol toxicity are not completely understood. Experimental studies during human pregnancy to identify new diagnostic biomarkers are difficult to carry out beyond genetic or epigenetic analyses in biological matrices. Therefore, animal models are a useful tool to study the teratogenic effects of alcohol on the central nervous system and analyze the benefits of promising therapies. Animal models of alcohol spectrum disorder allow the analysis of key variables such as amount, timing and frequency of ethanol consumption to describe the harmful effects of prenatal alcohol exposure. In this review, we aim to synthetize neurodevelopmental disabilities in rodent fetal alcohol spectrum disorder phenotypes, considering facial dysmorphology and fetal growth restriction. We examine the different neurodevelopmental stages based on the most consistently implicated epigenetic mechanisms, cell types and molecular pathways, and assess the advantages and disadvantages of murine models in the study of fetal alcohol spectrum disorder, the different routes of alcohol administration, and alcohol consumption patterns applied to rodents. Finally, we analyze a wide range of phenotypic features to identify fetal alcohol spectrum disorder phenotypes in murine models, exploring facial dysmorphology, neurodevelopmental deficits, and growth restriction, as well as the methodologies used to evaluate behavioral and anatomical alterations produced by prenatal alcohol exposure in rodents.
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Affiliation(s)
- Laura Almeida
- Maternal and Child Health and Development Network II (SAMID II), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Fundació Sant Joan de Déu, Barcelona, Spain
- BCNatal Barcelona Center for Maternal Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Barcelona, Spain
| | - Vicente Andreu-Fernández
- Maternal and Child Health and Development Network II (SAMID II), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Nutrition and Health Deparment, Valencian International University (VIU), Valencia, Spain
- Grup de Recerca Infancia i Entorn (GRIE), Institut D'investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Elisabet Navarro-Tapia
- Maternal and Child Health and Development Network II (SAMID II), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- BCNatal Barcelona Center for Maternal Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Barcelona, Spain
- Grup de Recerca Infancia i Entorn (GRIE), Institut D'investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Rosa Aras-López
- Maternal and Child Health and Development Network II (SAMID II), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Congenital Malformations Lab, Institute of Medicine and Molecular Genetic (INGEMM), Institute for Health Research of La Paz Universitary Hospital (IdiPAZ), Madrid, Spain
| | - Mariona Serra-Delgado
- BCNatal Barcelona Center for Maternal Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Barcelona, Spain
| | - Leopoldo Martínez
- Maternal and Child Health and Development Network II (SAMID II), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Congenital Malformations Lab, Institute of Medicine and Molecular Genetic (INGEMM), Institute for Health Research of La Paz Universitary Hospital (IdiPAZ), Madrid, Spain
- Department of Pediatric Surgery, Hospital Universitario La Paz, Madrid, Spain
| | - Oscar García-Algar
- Maternal and Child Health and Development Network II (SAMID II), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Grup de Recerca Infancia i Entorn (GRIE), Institut D'investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- Department of Neonatology, Hospital Clínic-Maternitat, ICGON, IDIBAPS, BCNatal, Barcelona, Spain
| | - María Dolores Gómez-Roig
- Maternal and Child Health and Development Network II (SAMID II), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Fundació Sant Joan de Déu, Barcelona, Spain
- BCNatal Barcelona Center for Maternal Fetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic, Barcelona, Spain
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Gu Y, Moroy G, Paul JL, Rebillat AS, Dierssen M, de la Torre R, Cieuta-Walti C, Dairou J, Janel N. Molecular Rescue of Dyrk1A Overexpression Alterations in Mice with Fontup ® Dietary Supplement: Role of Green Tea Catechins. Int J Mol Sci 2020; 21:E1404. [PMID: 32092951 PMCID: PMC7073110 DOI: 10.3390/ijms21041404] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/12/2020] [Accepted: 02/15/2020] [Indexed: 12/12/2022] Open
Abstract
Epigallocatechin gallate (EGCG) is an inhibitor of DYRK1A, a serine/threonine kinase considered to be a major contributor of cognitive dysfunctions in Down syndrome (DS). Two clinical trials in adult patients with DS have shown the safety and efficacy to improve cognitive phenotypes using commercial green tea extract containing EGCG (45% content). In the present study, we performed a preclinical study using FontUp®, a new nutritional supplement with a chocolate taste specifically formulated for the nutritional needs of patients with DS and enriched with a standardized amount of EGCG in young mice overexpressing Dyrk1A (TgBACDyrk1A). This preparation is differential with previous one used, because its green tea extract has been purified to up 94% EGCG of total catechins. We analyzed the in vitro effect of green tea catechins not only for EGCG, but for others residually contained in FontUp®, on DYRK1A kinase activity. Like EGCG, epicatechin gallate was a noncompetitive inhibitor against ATP, molecular docking computations confirming these results. Oral FontUp® normalized brain and plasma biomarkers deregulated in TgBACDyrk1A, without negative effect on liver and cardiac functions. We compared the bioavailability of EGCG in plasma and brain of mice and have demonstrated that EGCG had well crossed the blood-brain barrier.
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Affiliation(s)
- Yuchen Gu
- Université de Paris, BFA, UMR 8251, CNRS, F-75013 Paris, France;
| | - Gautier Moroy
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013 Paris, France;
| | - Jean-Louis Paul
- Department of Biochemistry, Georges Pompidou European Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), F-75013 Paris, France;
| | | | - Mara Dierssen
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, 08003 Barcelona, Spain;
- Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain;
| | - Rafael de la Torre
- Universitat Pompeu Fabra (UPF), 08003 Barcelona, Spain;
- Integrative Pharmacology and Systems Neuroscience Research Group, Neurosciences Research Program, IMIM (Hospital del Mar Medical Research Institute), 08003 Barcelona, Spain
| | | | - Julien Dairou
- Université de Paris, Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologique, UMR 8601, CNRS, F-75013 Paris, France;
| | - Nathalie Janel
- Université de Paris, BFA, UMR 8251, CNRS, F-75013 Paris, France;
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31
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Martínez Cué C, Dierssen M. Plasticity as a therapeutic target for improving cognition and behavior in Down syndrome. PROGRESS IN BRAIN RESEARCH 2020; 251:269-302. [DOI: 10.1016/bs.pbr.2019.11.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Rueda N, Flórez J, Dierssen M, Martínez-Cué C. Translational validity and implications of pharmacotherapies in preclinical models of Down syndrome. PROGRESS IN BRAIN RESEARCH 2019; 251:245-268. [PMID: 32057309 DOI: 10.1016/bs.pbr.2019.10.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Neurodevelopmental disorders are challenging to study in the laboratory, and despite a large investment, few novel treatments have been developed in the last decade. While animal models have been valuable in elucidating disease mechanisms and in providing insights into the function of specific genes, the predictive validity of preclinical models to test potential therapies has been questioned. In the last two decades, diverse new murine models of Down syndrome (DS) have been developed and numerous studies have demonstrated neurobiological alterations that could be responsible for the cognitive and behavioral phenotypes found in this syndrome. In many cases, similar alterations were found in murine models and in individuals with DS, although several phenotypes shown in animals have yet not been confirmed in the human condition. Some of the neurobiological alterations observed in mice have been proposed to account for their changes in cognition and behavior, and have received special attention because of being putative therapeutic targets. Those include increased oxidative stress, altered neurogenesis, overexpression of the Dyrk1A gene, GABA-mediated overinhibition and Alzheimer's disease-related neurodegeneration. Subsequently, different laboratories have tested the efficacy of pharmacotherapies targeting these alterations. Unfortunately, animal models are limited in their ability to mimic the extremely complex process of human neurodevelopment and neuropathology. Therefore, the safety and efficacy identified in animal studies are not always translated to humans, and most of the drugs tested have not demonstrated any positive effect or very limited efficacy in clinical trials. Despite their limitations, though, animal trials give us extremely valuable information for developing and testing drugs for human use that cannot be obtained from molecular or cellular experiments alone. This chapter reviews some of these therapeutic approaches and discusses some reasons that could account for the discrepancy between the findings in mouse models of DS and in humans, including: (i) the incomplete resemble of the genetic alterations of available mouse models of DS and human trisomy 21, (ii) the lack of evidence that some of the phenotypic alterations found in mice (e.g., GABA-mediated overinhibition, and alterations in adult neurogenesis) are also present in DS individuals, and (iii) the inaccuracy and/or inadequacy of the methods used in clinical trials to detect changes in the cognitive and behavioral functions of people with DS. Despite the shortcomings of animal models, animal experimentation remains an invaluable tool in developing drugs. Thus, we will also discuss how to increase predictive validity of mouse models.
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Affiliation(s)
- Noemí Rueda
- Department of Physiology and Pharmacology, University of Cantabria, Santander, Spain
| | - Jesús Flórez
- Department of Physiology and Pharmacology, University of Cantabria, Santander, Spain
| | - Mara Dierssen
- Cellular and Systems Neurobiology, Systems Biology Program, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology, Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Carmen Martínez-Cué
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria, Santander, Spain.
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Serra D, Almeida LM, Dinis TCP. Polyphenols in the management of brain disorders: Modulation of the microbiota-gut-brain axis. ADVANCES IN FOOD AND NUTRITION RESEARCH 2019; 91:1-27. [PMID: 32035595 DOI: 10.1016/bs.afnr.2019.08.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The modulation of the microbiota-gut-brain axis with a view to preventing and treating brain disorders became recently a hot topic for the scientific community. Dietary polyphenols are multifaceted compounds that have demonstrated to be highly advantageous to counteract inflammation, oxidative stress, and neurodegeneration, among other pathological conditions, being useful in the prevention and treatment of several chronic disorders. The potential of these compounds to prevent and treat brain disorders has not been only related to their capacity to reach the brain, depending on their chemical structure, and interact directly with brain cells, but also to their ability to modulate the communication between the brain and the gut, interfering with multiple branches of this axis. Preclinical studies have demonstrated the potential of these food bioactive compounds in brain diseases, namely, neurodevelopmental, such as Down's syndrome and Autism spectrum disorder, neurodegenerative, such as Parkinson's disease and Alzheimer's disease, and psychiatric disorders, such as depression and anxiety. Until now, dietary polyphenols have been recognized as promising nutraceuticals to combat brain disorders. However, the impact of these compounds on the gut-brain interconnection remains poorly elucidated. Also, clinical assays are crucial to further support the beneficial effects of these compounds as demonstrated in preclinical research.
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Affiliation(s)
- Diana Serra
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.
| | - Leonor M Almeida
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Teresa C P Dinis
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
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