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Zheng H, Aihaiti Y, Cai Y, Yuan Q, Yang M, Li Z, Xu K, Xu P. The m6A/m1A/m5C-Related Methylation Modification Patterns and Immune Landscapes in Rheumatoid Arthritis and Osteoarthritis Revealed by Microarray and Single-Cell Transcriptome. J Inflamm Res 2023; 16:5001-5025. [PMID: 37933335 PMCID: PMC10625757 DOI: 10.2147/jir.s431076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 10/13/2023] [Indexed: 11/08/2023] Open
Abstract
Purpose The goal of this study was to explore the expression characteristics of RNA modification-related genes, reveal immune landscapes and identify novel potential diagnostic biomarkers in osteoarthritis (OA) and rheumatoid arthritis (RA) patients. Patients and Methods RNA microarray and single-cell sequencing (scRNA-seq) data were downloaded from gene expression omnibus (GEO) database. Differentially expressed RNA modification-related genes were identified and then functionally annotated. Univariate logistic regression and lasso regression analysis were used to identify primary disease genes for OA and RA. Validation was done using scRNA-seq analysis and immunohistochemistry (IHC) in human knee synovial tissues and a murine destabilization of the medial meniscus (DMM) model. Through WGCNA analysis, genes associated with cell pyroptosis or autophagy in OA and RA were identified, which were then combined with differentially expressed RNA modification-related genes to construct a PPI interaction network. Furthermore, hub genes were selected for ceRNA interaction network analysis, correlation analysis with OA and RA molecular subtypes, as well as correlation analysis with 22 immune cells. Results Six RNA modification-related genes (ADAMDEC1, IGHM, OGN, TNFRSF11B, SCARA3 and PTN) were identified as potential OA and RA pathogenesis biomarkers. Their expression was validated in human knee synovial tissues and a murine DMM model. Functional enrichment of differentially expressed RNA modification-related genes between RA and OA was analyzed using GO, KEGG, GSEA, and GSVA. Based on WGCNA and PPI analysis, the six hub genes related to pyroptosis and RNA modification (CXCL10, CXCL9, CCR7, CCL5, CXCL1, and CCR2) were identified as central nodes for ceRNA interaction, correlation with OA and RA molecular subtypes, and association with 22 immune cells. Conclusion Our research revealed the significance of RNA modification-related genes in the development of OA and RA pathogenesis, thereby providing a novel research direction for understanding the mechanisms, diagnosis, and treatment of OA and RA.
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Affiliation(s)
- Haishi Zheng
- Department of Orthopedics, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, People’s Republic of China
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - Yirixiati Aihaiti
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - Yongsong Cai
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - Qiling Yuan
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - Mingyi Yang
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - Zheng Li
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - Ke Xu
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
| | - Peng Xu
- Department of Orthopedics, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, People’s Republic of China
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China
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2
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De Pasquale V, Esposito A, Scerra G, Scarcella M, Ciampa M, Luongo A, D’Alonzo D, Guaragna A, D’Agostino M, Pavone LM. N-Substituted l-Iminosugars for the Treatment of Sanfilippo Type B Syndrome. J Med Chem 2023; 66:1790-1808. [PMID: 36696678 PMCID: PMC9923752 DOI: 10.1021/acs.jmedchem.2c01617] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Sanfilippo syndrome comprises a group of four genetic diseases due to the lack or decreased activity of enzymes involved in heparan sulfate (HS) catabolism. HS accumulation in lysosomes and other cellular compartments results in tissue and organ dysfunctions, leading to a wide range of clinical symptoms including severe neurodegeneration. To date, no approved treatments for Sanfilippo disease exist. Here, we report the ability of N-substituted l-iminosugars to significantly reduce substrate storage and lysosomal dysfunctions in Sanfilippo fibroblasts and in a neuronal cellular model of Sanfilippo B subtype. Particularly, we found that they increase the levels of defective α-N-acetylglucosaminidase and correct its proper sorting toward the lysosomal compartment. Furthermore, l-iminosugars reduce HS accumulation by downregulating protein levels of exostosin glycosyltransferases. These results highlight an interesting pharmacological potential of these glycomimetics in Sanfilippo syndrome, paving the way for the development of novel therapeutic approaches for the treatment of such incurable disease.
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Affiliation(s)
- Valeria De Pasquale
- Department
of Veterinary Medicine and Animal Productions, University of Naples Federico II, Via F. Delpino 1, 80137 Naples, Italy
| | - Anna Esposito
- Department
of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Naples, Italy
| | - Gianluca Scerra
- Department
of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy
| | - Melania Scarcella
- Department
of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy
| | - Mariangela Ciampa
- Department
of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy
| | - Antonietta Luongo
- AORN
Sant’Anna e San Sebastiano, Via F. Palasciano, 81100 Caserta, Italy
| | - Daniele D’Alonzo
- Department
of Chemical Sciences, University of Naples
Federico II, Via Cintia, 80126 Napoli, Italy
| | - Annalisa Guaragna
- Department
of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Naples, Italy,
| | - Massimo D’Agostino
- Department
of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy,
| | - Luigi Michele Pavone
- Department
of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy,
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3
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Polgreen LE, Bay L, Clarke LA, Guffon N, Jones SA, Muenzer J, Flores AL, Wilson K, Viskochil D. Growth in individuals with attenuated mucopolysaccharidosis type I during untreated and treated periods: Data from the MPS I registry. Am J Med Genet A 2022; 188:2941-2951. [PMID: 35869927 PMCID: PMC9545955 DOI: 10.1002/ajmg.a.62910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/01/2022] [Accepted: 06/10/2022] [Indexed: 01/31/2023]
Abstract
Mucopolysaccharidosis Type I (MPS I) is caused by deficiency of α-L-iduronidase. Short stature and growth deceleration are common in individuals with the attenuated MPS I phenotype. Study objectives were to assess growth in individuals with attenuated MPS I enrolled in The MPS I Registry while untreated and after initiation of enzyme replacement therapy (ERT) with laronidase (recombinant human iduronidase). Individuals in the MPS I Registry with at least one observation for height and assigned attenuated MPS I phenotype as of September 2020 were included. The cohort included 142 males and 153 females 2-18 years of age. Age and sex adjusted standardized height-for-age z-scores during the natural history and ERT-treatment periods were assessed using linear mixed model repeated measures analyses. Growth curves were estimated during both periods and compared to standard growth charts from the Center for Disease Control (CDC). There was a significantly slower decline in height z-scores with age during the ERT-treated period compared to the natural history period. Estimated average height z-scores in the ERT-treatment versus the natural history period at age 10 were -2.4 versus -3.3 in females and -1.4 versus -2.9 in males (females first treated 3 year; males <4.1 year). While median height remained below CDC standards during both the natural history and ERT-treated periods for individuals with attenuated MPS I, laronidase ERT was associated with slower declines in height z-scores.
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Affiliation(s)
- Lynda E. Polgreen
- The Lundquist Institute at Harbor‐UCLA Medical CenterTorranceCaliforniaUSA
| | - Luisa Bay
- Hospital Nacional de Pediatría J. P. GarrahanCiudad Autónoma de Buenos AiresBuenos AiresArgentina
| | - Lorne A. Clarke
- Department of Medical Genetics and the British Columbia Children's Hospital Research InstituteUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Nathalie Guffon
- Centre de Référence des Maladies Héréditaires du MétabolismeHôpital Femme Mère EnfantLyonFrance
| | - Simon A. Jones
- St Mary's Hospital, Manchester University Foundation TrustUniversity of ManchesterManchesterUK
| | - Joseph Muenzer
- Department of PediatricsUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | | | | | - David Viskochil
- Department of Pediatrics, Division of Medical GeneticsUniversity of Utah School of MedicineSalt Lake CityUtahUSA
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4
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Corrêa T, Poswar F, Santos-Rebouças CB. Convergent molecular mechanisms underlying cognitive impairment in mucopolysaccharidosis type II. Metab Brain Dis 2022; 37:2089-2102. [PMID: 34797484 DOI: 10.1007/s11011-021-00872-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/02/2021] [Indexed: 11/26/2022]
Abstract
Mucopolysaccharidosis type II (MPS II) is a lysosomal storage disorder caused by pathogenic variants in the iduronate-2-sulfatase gene (IDS), responsible for the degradation of glycosaminoglycans (GAGs) heparan and dermatan sulfate. IDS enzyme deficiency results in the accumulation of GAGs within cells and tissues, including the central nervous system (CNS). The progressive neurological outcome in a representative number of MPSII patients (neuronopathic form) involves cognitive impairment, behavioral difficulties, and regression in developmental milestones. In an attempt to dissect part of the influence of axon guidance instability over the cognitive impairment presentation in MPS II, we used brain expression data, network propagation, and clustering algorithm to prioritize in the human interactome a disease module associated with the MPS II context. We identified new candidate genes and pathways that act in focal adhesion, integrin cell surface, laminin interactions, ECM proteoglycans, cytoskeleton, and phagosome that converge into functional mechanisms involved in early neural circuit formation defects and could indicate clues about cognitive impairment in patients with MPSII. Such molecular changes during neurodevelopment may precede the morphological and clinical evidence, emphasizing the importance of an early diagnosis and directing the development of potential drug leads. Furthermore, our data also support previous hypotheses pointing to shared pathogenic mechanisms in some neurodegenerative diseases.
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Affiliation(s)
- Thiago Corrêa
- Department of Genetics, Institute of Biosciences, Federal University of Rio Grande Do Sul, Porto Alegre, Brazil.
| | - Fabiano Poswar
- Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Cíntia B Santos-Rebouças
- Department of Genetics, Institute of Biology Roberto Alcantara Gomes, State University of Rio de Janeiro, Rio de Janeiro, Brazil
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5
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Wiesinger AM, Bigger B, Giugliani R, Scarpa M, Moser T, Lampe C, Kampmann C, Lagler FB. The Inflammation in the Cytopathology of Patients With Mucopolysaccharidoses- Immunomodulatory Drugs as an Approach to Therapy. Front Pharmacol 2022; 13:863667. [PMID: 35645812 PMCID: PMC9136158 DOI: 10.3389/fphar.2022.863667] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/27/2022] [Indexed: 01/31/2023] Open
Abstract
Mucopolysaccharidoses (MPS) are a group of lysosomal storage diseases (LSDs), characterized by the accumulation of glycosaminoglycans (GAGs). GAG storage-induced inflammatory processes are a driver of cytopathology in MPS and pharmacological immunomodulation can bring improvements in brain, cartilage and bone pathology in rodent models. This manuscript reviews current knowledge with regard to inflammation in MPS patients and provides hypotheses for the therapeutic use of immunomodulators in MPS. Thus, we aim to set the foundation for a rational repurposing of the discussed molecules to minimize the clinical unmet needs still remaining despite enzyme replacement therapy (ERT) and hematopoietic stem cell transplantation (HSCT).
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Affiliation(s)
- Anna-Maria Wiesinger
- Institute of Congenital Metabolic Diseases, Paracelsus Medical University, Salzburg, Austria
- European Reference Network for Hereditary Metabolic Diseases, MetabERN, Udine, Italy
- *Correspondence: Anna-Maria Wiesinger,
| | - Brian Bigger
- European Reference Network for Hereditary Metabolic Diseases, MetabERN, Udine, Italy
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Roberto Giugliani
- Department of Genetics, Medical Genetics Service and Biodiscovery Laboratory, HCPA, UFRGS, Porto Alegre, Brazil
| | - Maurizio Scarpa
- European Reference Network for Hereditary Metabolic Diseases, MetabERN, Udine, Italy
- Regional Coordinating Center for Rare Diseases, University Hospital Udine, Udine, Italy
| | - Tobias Moser
- Department of Neurology, Christian Doppler University Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Christina Lampe
- European Reference Network for Hereditary Metabolic Diseases, MetabERN, Udine, Italy
- Department of Child and Adolescent Medicine, Center of Rare Diseases, University Hospitals Giessen/Marburg, Giessen, Germany
| | - Christoph Kampmann
- Department of Pediatric Cardiology, University Hospital Mainz, Mainz, Germany
| | - Florian B. Lagler
- Institute of Congenital Metabolic Diseases, Paracelsus Medical University, Salzburg, Austria
- European Reference Network for Hereditary Metabolic Diseases, MetabERN, Udine, Italy
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6
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D’Avanzo F, Zanetti A, De Filippis C, Tomanin R. Mucopolysaccharidosis Type VI, an Updated Overview of the Disease. Int J Mol Sci 2021; 22:ijms222413456. [PMID: 34948256 PMCID: PMC8707598 DOI: 10.3390/ijms222413456] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/29/2021] [Accepted: 12/09/2021] [Indexed: 12/17/2022] Open
Abstract
Mucopolysaccharidosis type VI, or Maroteaux-Lamy syndrome, is a rare, autosomal recessive genetic disease, mainly affecting the pediatric age group. The disease is due to pathogenic variants of the ARSB gene, coding for the lysosomal hydrolase N-acetylgalactosamine 4-sulfatase (arylsulfatase B, ASB). The enzyme deficit causes a pathological accumulation of the undegraded glycosaminoglycans dermatan-sulphate and chondroitin-sulphate, natural substrates of ASB activity. Intracellular and extracellular deposits progressively take to a pathological scenario, often severe, involving most organ-systems and generally starting from the osteoarticular apparatus. Neurocognitive and behavioral abilities, commonly described as maintained, have been actually investigated by few studies. The disease, first described in 1963, has a reported prevalence between 0.36 and 1.3 per 100,000 live births across the continents. With this paper, we wish to contribute an updated overview of the disease from the clinical, diagnostic, and therapeutic sides. The numerous in vitro and in vivo preclinical studies conducted in the last 10-15 years to dissect the disease pathogenesis, the efficacy of the available therapeutic treatment (enzyme replacement therapy), as well as new therapies under study are here described. This review also highlights the need to identify new disease biomarkers, potentially speeding up the diagnostic process and the monitoring of therapeutic efficacy.
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Affiliation(s)
- Francesca D’Avanzo
- Laboratory of Diagnosis and Therapy of Lysosomal Disorders, Department of Women’s and Children’s Health, University of Padova, 35128 Padova, Italy; (F.D.); (A.Z.); (C.D.F.)
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy
| | - Alessandra Zanetti
- Laboratory of Diagnosis and Therapy of Lysosomal Disorders, Department of Women’s and Children’s Health, University of Padova, 35128 Padova, Italy; (F.D.); (A.Z.); (C.D.F.)
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy
| | - Concetta De Filippis
- Laboratory of Diagnosis and Therapy of Lysosomal Disorders, Department of Women’s and Children’s Health, University of Padova, 35128 Padova, Italy; (F.D.); (A.Z.); (C.D.F.)
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy
| | - Rosella Tomanin
- Laboratory of Diagnosis and Therapy of Lysosomal Disorders, Department of Women’s and Children’s Health, University of Padova, 35128 Padova, Italy; (F.D.); (A.Z.); (C.D.F.)
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35127 Padova, Italy
- Correspondence: ; Tel.: +39-049-821-1264
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De Pasquale V, Scerra G, Scarcella M, D'Agostino M, Pavone LM. Competitive binding of extracellular accumulated heparan sulfate reduces lysosomal storage defects and triggers neuronal differentiation in a model of Mucopolysaccharidosis IIIB. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2021; 1868:119113. [PMID: 34329663 DOI: 10.1016/j.bbamcr.2021.119113] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 07/19/2021] [Accepted: 07/23/2021] [Indexed: 12/26/2022]
Abstract
Mucopolysaccharidoses (MPSs) are a group of inherited lysosomal storage disorders associated with the deficiency of lysosomal enzymes involved in glycosaminoglycan (GAG) degradation. The resulting cellular accumulation of GAGs is responsible for widespread tissue and organ dysfunctions. The MPS III, caused by mutations in the genes responsible for the degradation of heparan sulfate (HS), includes four subtypes (A, B, C, and D) that present significant neurological manifestations such as progressive cognitive decline and behavioral disorders. The established treatments for the MPS III do not cure the disease but only ameliorate non-neurological clinical symptoms. We previously demonstrated that the natural variant of the hepatocyte growth factor NK1 reduces the lysosomal pathology and reactivates impaired growth factor signaling in fibroblasts from MPS IIIB patients. Here, we show that the recombinant NK1 is effective in rescuing the morphological and functional dysfunctions of lysosomes in a neuronal cellular model of the MPS IIIB. More importantly, NK1 treatment is able to stimulate neuronal differentiation of neuroblastoma SK-NBE cells stable silenced for the NAGLU gene causative of the MPS IIIB. These results provide the basis for the development of a novel approach to possibly correct the neurological phenotypes of the MPS IIIB as well as of other MPSs characterized by the accumulation of HS and progressive neurodegeneration.
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Affiliation(s)
- Valeria De Pasquale
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Via F. Delpino 1, 80127 Naples, Italy
| | - Gianluca Scerra
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy
| | - Melania Scarcella
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy
| | - Massimo D'Agostino
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy.
| | - Luigi Michele Pavone
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy.
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Roth J, Inbar-Feigenberg M, Raiman J, Bisch M, Chakraborty P, Mitchell J, Di Geso L. Ultrasound findings of finger, wrist and knee joints in Mucopolysaccharidosis Type I. Mol Genet Metab 2021; 133:289-296. [PMID: 34090760 DOI: 10.1016/j.ymgme.2021.05.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/19/2021] [Accepted: 05/25/2021] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Musculoskeletal findings in MPS can progress after enzyme replacement. Our aim was to examine synovial recesses, tendons, retinacula and pulleys using ultrasonography for structural and inflammatory changes. MATERIAL AND METHODS The wrist, metacarpophalangeal (MCP), proximal and distal interphalangeal (PIP and DIP) joints, the finger flexor tendons and the knee including entheses of quadriceps and patella tendons were assessed clinically. Ultrasonography of the various synovial recesses of the wrist as well as the extensor retinaculum, carpal tunnel, MCP, PIP and DIP joints of the second finger, extensor and flexor tendons, A1-5 pulleys and the knee joint including relevant entheses followed. Significance of differences between patient values and available normative data were assessed using t-tests. RESULTS Ultrasonography showed significant abnormal intraarticular material in the wrist without a clear distribution to synovial recesses and without effusions. Doppler signals were found in a perisynovial distribution and not intrasynovial as expected in in inflammatory arthritis. Findings were similar in the knee but not the fingers. Flexor and extensor tendons were also mostly normal in their structure but significant thickening of retinaculae and the flexor tendon pulleys was seen (p<0.0001 compared to normal). CONCLUSION MPS I patients showed intraarticular deposition of abnormal material in the wrist and knee but not in the finger joints where significant thickening of retinaculae/pulleys controlling tendon position was dominant. No ultrasound findings of inflammatory pathology were demonstrated but rather a secondary reaction to abnormal deposition and direct damage of GAG.
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Affiliation(s)
- Johannes Roth
- Division of Pediatric Dermatology and Rheumatology, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.
| | - Michal Inbar-Feigenberg
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Julian Raiman
- Department of Inherited Metabolic Disease, Birmingham Children's Hospital, Steelhouse Lane, Birmingham, UK
| | - Marg Bisch
- Division of Pediatric Dermatology and Rheumatology, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Pranesh Chakraborty
- Newborn Screening Ontario and Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - John Mitchell
- Department of Pediatrics, McGill University, Montreal, Quebec, Canada
| | - Luca Di Geso
- Ospedale Provinciale Madonna del Soccorso, Department of Internal Medicine, San Benedetto del Tronto, Marche, Italy
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Breyer SR, Vettorazzi E, Schmitz L, Gulati A, von Cossel KM, Spiro A, Rupprecht M, Stuecker R, Muschol NM. Hip pathologies in mucopolysaccharidosis type III. J Orthop Surg Res 2021; 16:201. [PMID: 33741007 PMCID: PMC7977579 DOI: 10.1186/s13018-021-02340-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 03/09/2021] [Indexed: 11/27/2022] Open
Abstract
Background Mucopolysaccharidosis type III (MPS III) comprises a group of rare lysosomal storage diseases. Although musculoskeletal symptoms are less pronounced than in other MPS subtypes, pathologies of hip and spine have been reported in MPS III patients. The purpose of this study was to describe hip pathologies and influencing parameters in MPS III patients. Methods A retrospective chart review was performed for 101 MPS III patients. Thirty-two patients met the inclusion criteria of enzymatically or genetically confirmed diagnosis and anteroposterior radiograph of the hips. Modified Ficat classification, Wiberg’s center-edge angle, and Reimer’s migration percentage were measured. Results The mean age at data assessment was 11.0 years (SD 5.7). Osteonecrosis of the femoral head was observed in 17/32 patients. No statistically significant association was found between these changes and age, sex, or MPS III subtype. Patients with a severe phenotype showed significantly higher rates of osteonecrosis (14/17) than patients with an intermediate phenotype. Hip dysplasia was present in 9/32 patients and was significantly associated with osteonecrosis of the femoral head (p = 0.04). Conclusions The present study demonstrates a high rate of hip pathologies in MPS III patients. Hip dysplasia and severe phenotype were significantly correlated with osteonecrosis of the femoral head. Therefore, radiographs of the hips are highly recommended in baseline and follow-up assessments of MPS III patients. Trial registration Retrospectively registered.
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Affiliation(s)
- Sandra Rafaela Breyer
- Department of Pediatric Orthopedics, Children's Hospital Altona, Bleickenallee 38, 22763, Hamburg, Germany. .,Department of Orthopedics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany. .,International Center for Lysosomal Disorders, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.
| | - Eik Vettorazzi
- Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Leonie Schmitz
- Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Amit Gulati
- Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Katharina Maria von Cossel
- International Center for Lysosomal Disorders, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,Department of Pediatrics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Alexander Spiro
- Department of Pediatric Orthopedics, Children's Hospital Altona, Bleickenallee 38, 22763, Hamburg, Germany.,Department of Orthopedics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,International Center for Lysosomal Disorders, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Martin Rupprecht
- Department of Pediatric Orthopedics, Children's Hospital Altona, Bleickenallee 38, 22763, Hamburg, Germany.,Department of Orthopedics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,International Center for Lysosomal Disorders, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Ralf Stuecker
- Department of Pediatric Orthopedics, Children's Hospital Altona, Bleickenallee 38, 22763, Hamburg, Germany.,Department of Orthopedics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,International Center for Lysosomal Disorders, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Nicole Maria Muschol
- International Center for Lysosomal Disorders, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,Department of Pediatrics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
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10
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Ferreira NY, do Nascimento CC, Pereira VG, de Oliveira F, Medalha CC, da Silva VC, D'Almeida V. Biomechanical and histological characterization of MPS I mice femurs. Acta Histochem 2021; 123:151678. [PMID: 33434858 DOI: 10.1016/j.acthis.2020.151678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/17/2020] [Accepted: 12/30/2020] [Indexed: 01/24/2023]
Abstract
Mucopolysaccharidosis type I (MPS I) is a lysosomal storage disorder characterized by alpha-L-iduronidase (IDUA) deficiency, an enzyme responsible for glycosaminoglycan degradation. Musculoskeletal impairment is an important component of the morbidity related to the disease, as it has a major impact on patients' quality of life. To understand how this disease affects bone structure, morphological, biomechanical and histological analyses of femurs from 3- and 6-month-old wild type (Idua +/+) and MPS I knockout mice (Idua -/-) were performed. Femurs from 3-month-old Idua -/- mice were found to be smaller and less resistant to fracture when compared to their age matched controls. In addition, at this age, the femurs presented important alterations in articular cartilage, trabecular bone architecture, and deposition of type I and III collagen. At 6 months of age, femurs from Idua -/- mice were more resistant to fracture than those from Idua +/+. Our results suggest that the abnormalities observed in bone matrix and articular cartilage in 3-month-old Idua -/- animals caused bone tissue to be less flexible and more likely to fracture, whereas in 6-month-old Idua -/- group the ability to withstand more load before fracturing than wild type animals is possibly due to changes in the bone matrix.
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Affiliation(s)
- Nicole Yolanda Ferreira
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Cinthia Castro do Nascimento
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil; Department of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
| | | | - Flávia de Oliveira
- Department of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
| | | | | | - Vânia D'Almeida
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil.
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11
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do Nascimento CC, Aguiar O, Viana GM, D Almeida V. Evidence that glycosaminoglycan storage and collagen deposition in the cauda epididymidis does not impair sperm viability in the Mucopolysaccharidosis type I mouse model. Reprod Fertil Dev 2021; 32:304-312. [PMID: 31679559 DOI: 10.1071/rd19144] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 06/18/2019] [Indexed: 12/14/2022] Open
Abstract
Mucopolysaccharidosis type I (MPS I) is a lysosomal storage disease caused by a deficiency of the lysosomal hydrolase, α-L-iduronidase (IDUA). IDUA degrades heparan and dermatan sulfates, two types of glycosaminoglycan (GAG), important signalling and structural molecules of the extracellular matrix. Because many cell types store GAGs, MPS I has been investigated in human and animal models. Enzyme replacement therapy is available for MPS I patients and has improved their life expectancy, allowing them to achieve reproductive age. The aim of this study was to evaluate epididymal and sperm morphology and function in a murine model of MPS I. We used C57BL Idua+/+ and Idua-/- adult male mice (6 months old) to investigate epididymal morphology, sperm ultrastructure, GAG characterisation and mating competence. Epithelial GAG storage, especially in the cauda epididymidis, was seen in Idua-/- mice. Regardless of the morphologic change and GAG storage found in the cauda epididymis, sperm morphology and motility were normal, similar to wild types. In the interstitium, vacuolated cells were found in addition to deposits of GAGs. Mating was not impaired in Idua-/- males and litter sizes were similar between groups. At the time point of the disease evaluated, the deficiency in IDUA affected the morphology of the epididymis in male Idua-/- mice, whereas sperm appearance and motility and the male's capacity to mate and impregnate females were preserved.
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Affiliation(s)
| | - Odair Aguiar
- Department of Biosciences, Universidade Federal de São Paulo, 11015-020, Brazil
| | | | - Vânia D Almeida
- Department of Psychobiology, Universidade Federal de São Paulo, 04024-002, Brazil; and Corresponding author.
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12
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Yang Z, Ni J, Kuang L, Gao Y, Tao S. Identification of genes and pathways associated with subchondral bone in osteoarthritis via bioinformatic analysis. Medicine (Baltimore) 2020; 99:e22142. [PMID: 32925767 PMCID: PMC7489699 DOI: 10.1097/md.0000000000022142] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 03/15/2020] [Accepted: 08/09/2020] [Indexed: 11/30/2022] Open
Abstract
Osteoarthritis (OA) is a high prevalent musculoskeletal problem, which can cause severe pain, constitute a huge social and economic burden, and seriously damage the quality of life. This study was intended to identify genetic characteristics of subchondral bone in patients with OA and to elucidate the potential molecular mechanisms involved. Data of gene expression profiles (GSE51588), which contained 40 OA samples and 10 normal samples, was obtained from the Gene Expression Omnibus (GEO). The raw data were integrated to obtain differentially expressed genes (DEGs) and were further analyzed with bioinformatic analysis. The protein-protein interaction (PPI) networks were built and analyzed via Search Tool for the Retrieval of Interacting Genes (STRING). The significant modules and hub genes were identified via Cytoscape. Moreover, Gene Ontology (GO) and Kyoto Encyclopaedia of Genes and Genomes (KEGG) enrichment analysis were performed. Totally 235 DEGs were differentially expressed in the subchondral bone from OA patients compared with those of normal individuals, of which 78 were upregulated and 157 were downregulated. Eight hub genes were identified, including DEFA4, ARG1, LTF, RETN, PGLYRP1, OLFM4, ORM1, and BPI. The enrichment analyses of the DEGs and significant modules indicated that DEGs were mainly involved in inflammatory response, extracellular space, RAGE receptor binding, and amoebiasis pathway. The present study provides a novel and in-depth understanding of pathogenesis of the OA subchondral bone at molecular level. DEFA4, ARG1, LTF, RETN, PGLYRP1, OLFM4, ORM1, and BPI may be the new candidate targets for diagnosis and therapies on patients with OA in the future.
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Affiliation(s)
- Zhanyu Yang
- Department of Orthopaedics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University
- Hunan Provincial Emergency Center
| | - Jiangdong Ni
- Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan
| | - Letian Kuang
- Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan
| | - Yongquan Gao
- Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan
| | - Shibin Tao
- Department of Orthopaedics, Qinghai University Affiliated Hospital, Xining, Qinghai, P.R. China
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Hampe CS, Eisengart JB, Lund TC, Orchard PJ, Swietlicka M, Wesley J, McIvor RS. Mucopolysaccharidosis Type I: A Review of the Natural History and Molecular Pathology. Cells 2020; 9:cells9081838. [PMID: 32764324 PMCID: PMC7463646 DOI: 10.3390/cells9081838] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 07/31/2020] [Accepted: 08/02/2020] [Indexed: 12/14/2022] Open
Abstract
Mucopolysaccharidosis type I (MPS I) is a rare autosomal recessive inherited disease, caused by deficiency of the enzyme α-L-iduronidase, resulting in accumulation of the glycosaminoglycans (GAGs) dermatan and heparan sulfate in organs and tissues. If untreated, patients with the severe phenotype die within the first decade of life. Early diagnosis is crucial to prevent the development of fatal disease manifestations, prominently cardiac and respiratory disease, as well as cognitive impairment. However, the initial symptoms are nonspecific and impede early diagnosis. This review discusses common phenotypic manifestations in the order in which they develop. Similarities and differences in the three animal models for MPS I are highlighted. Earliest symptoms, which present during the first 6 months of life, include hernias, coarse facial features, recurrent rhinitis and/or upper airway obstructions in the absence of infection, and thoracolumbar kyphosis. During the next 6 months, loss of hearing, corneal clouding, and further musculoskeletal dysplasias develop. Finally, late manifestations including lower airway obstructions and cognitive decline emerge. Cardiac symptoms are common in MPS I and can develop in infancy. The underlying pathogenesis is in the intra- and extracellular accumulation of partially degraded GAGs and infiltration of cells with enlarged lysosomes causing tissue expansion and bone deformities. These interfere with the proper arrangement of collagen fibrils, disrupt nerve fibers, and cause devastating secondary pathophysiological cascades including inflammation, oxidative stress, and other disruptions to intracellular and extracellular homeostasis. A greater understanding of the natural history of MPS I will allow early diagnosis and timely management of the disease facilitating better treatment outcomes.
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Affiliation(s)
- Christiane S. Hampe
- Immusoft Corp, Seattle, WA 98103, USA; (M.S.); (J.W.)
- Correspondence: ; Tel.: +1-206-554-9181
| | - Julie B. Eisengart
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA; (J.B.E.); (T.C.L.); (P.J.O.)
| | - Troy C. Lund
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA; (J.B.E.); (T.C.L.); (P.J.O.)
| | - Paul J. Orchard
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA; (J.B.E.); (T.C.L.); (P.J.O.)
| | | | - Jacob Wesley
- Immusoft Corp, Seattle, WA 98103, USA; (M.S.); (J.W.)
| | - R. Scott McIvor
- Immusoft Corp, Minneapolis, MN 55413, USA; or
- Department of Genetics, Cell Biology and Development and Center for Genome Engineering, University of Minnesota, Minneapolis, MN 55413, USA
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14
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Pathogenesis of Mucopolysaccharidoses, an Update. Int J Mol Sci 2020; 21:ijms21072515. [PMID: 32260444 PMCID: PMC7178160 DOI: 10.3390/ijms21072515] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 03/29/2020] [Accepted: 04/02/2020] [Indexed: 01/08/2023] Open
Abstract
The recent advancements in the knowledge of lysosomal biology and function have translated into an improved understanding of the pathophysiology of mucopolysaccharidoses (MPSs). The concept that MPS manifestations are direct consequences of lysosomal engorgement with undegraded glycosaminoglycans (GAGs) has been challenged by new information on the multiple biological roles of GAGs and by a new vision of the lysosome as a signaling hub involved in many critical cellular functions. MPS pathophysiology is now seen as the result of a complex cascade of secondary events that lead to dysfunction of several cellular processes and pathways, such as abnormal composition of membranes and its impact on vesicle fusion and trafficking; secondary storage of substrates; impairment of autophagy; impaired mitochondrial function and oxidative stress; dysregulation of signaling pathways. The characterization of this cascade of secondary cellular events is critical to better understand the pathophysiology of MPS clinical manifestations. In addition, some of these pathways may represent novel therapeutic targets and allow for the development of new therapies for these disorders.
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15
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Patel N, Mills P, Davison J, Cleary M, Gissen P, Banushi B, Doykov I, Dorman M, Mills K, Heywood WE. Free urinary glycosylated hydroxylysine as an indicator of altered collagen degradation in the mucopolysaccharidoses. J Inherit Metab Dis 2020; 43:309-317. [PMID: 31452203 DOI: 10.1002/jimd.12166] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 08/21/2019] [Accepted: 08/23/2019] [Indexed: 12/31/2022]
Abstract
Extracellular matrix (ECM) disruption is known to be an early pathological feature of the Mucopolysaccharidoses (MPS). Collagen is the main component of the ECM and its metabolism could act as a useful indicator of ECM disruption. We have measured the specific collagen breakdown products; urinary free hydroxylated (Lys-OH) and glycosylated hydroxylysines (Lys-O-Gal and Lys-O-GalGlc) in MPS patients using a tandem liquid chromatography tandem mass spectrometry assay. A pilot study cohort analysis indicated that concentrations of lysine and Lys-OH were raised significantly in MPS I (Hurler) disease patients. Lys-O-GalGlc was raised in MPS II and MPS VI patients and demonstrated a significant difference between MPS I Hurler and an MPS I Hurler-Scheie group. Further analysis determined an age association for glycosylated hydroxylysine in control samples similar to that observed for the glycosaminoglycans. Using defined age ranges and treatment naïve patient samples we confirmed an increase in glycosylated hydroxylysines in MPS I and in adult MPS IVA. We also looked at the ratio of Lys-O-Gal to Lys-O-GalGlc, an indicator of the source of collagen degradation, and noticed a significant change in the ratio for all pediatric MPS I, II, and IV patients, and a small significant increase in adult MPS IV. This indicated that the collagen degradation products were coming from a source other than bone such as cartilage or connective tissue. To see how specific the changes in glycosylated hydroxylysine were to MPS patients we also looked at levels in patients with other inherited metabolic disorders. MPS patients showed a trend towards increased glycosylated hydroxylysines and an elevated ratio compared to other metabolic disorders that included Battens disease, Fabry disease, Pyridoxine-dependent epilepsy (due to mutations in ALDH7A1), and Niemann Pick C disease.
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Affiliation(s)
- Nina Patel
- Inborn Errors of Metabolism Section, Genetics & Genomic Medicine Unit, Great Ormond Street Institute of Child Health, University College London, London, UK
- NIHR Great Ormond Street Biomedical Research Centre, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, UK
| | - Philippa Mills
- Inborn Errors of Metabolism Section, Genetics & Genomic Medicine Unit, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - James Davison
- NIHR Great Ormond Street Biomedical Research Centre, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, UK
| | - Maureen Cleary
- NIHR Great Ormond Street Biomedical Research Centre, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, UK
| | - Paul Gissen
- Inborn Errors of Metabolism Section, Genetics & Genomic Medicine Unit, Great Ormond Street Institute of Child Health, University College London, London, UK
- NIHR Great Ormond Street Biomedical Research Centre, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, UK
- Metabolic Medicine Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Blerida Banushi
- Metabolic Medicine Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Ivan Doykov
- Inborn Errors of Metabolism Section, Genetics & Genomic Medicine Unit, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Megan Dorman
- NIHR Great Ormond Street Biomedical Research Centre, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, UK
| | - Kevin Mills
- Inborn Errors of Metabolism Section, Genetics & Genomic Medicine Unit, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Wendy E Heywood
- Inborn Errors of Metabolism Section, Genetics & Genomic Medicine Unit, Great Ormond Street Institute of Child Health, University College London, London, UK
- NIHR Great Ormond Street Biomedical Research Centre, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, UK
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16
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The Challenge of Modulating Heparan Sulfate Turnover by Multitarget Heparin Derivatives. Molecules 2020; 25:molecules25020390. [PMID: 31963505 PMCID: PMC7024324 DOI: 10.3390/molecules25020390] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/12/2020] [Accepted: 01/14/2020] [Indexed: 12/12/2022] Open
Abstract
This review comes as a part of the special issue "Emerging frontiers in GAGs and mimetics". Our interest is in the manipulation of heparan sulfate (HS) turnover by employing HS mimetics/heparin derivatives that exert pleiotropic effects and are interesting for interfering at multiple levels with pathways in which HS is implicated. Due to the important role of heparanase in HS post-biosynthetic modification and catabolism, we focus on the possibility to target heparanase, at both extracellular and intracellular levels, a strategy that can be applied to many conditions, from inflammation to cancer and neurodegeneration.
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17
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Viskochil D, Clarke LA, Bay L, Keenan H, Muenzer J, Guffon N. Growth patterns for untreated individuals with MPS I: Report from the international MPS I registry. Am J Med Genet A 2019; 179:2425-2432. [PMID: 31639289 PMCID: PMC6899772 DOI: 10.1002/ajmg.a.61378] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/12/2019] [Accepted: 09/13/2019] [Indexed: 12/13/2022]
Abstract
Mucopolysaccharidosis Type I (MPS I), caused by deficiency of α-L-iduronidase results in progressive, multisystemic disease with a broad phenotypic spectrum including patients with severe (Hurler syndrome) to attenuated (Hurler-Scheie and Scheie syndromes) disease. Disordered growth is common with either phenotype. The study objectives were to construct sex- and age-specific estimated length/height and head circumference growth curves for untreated individuals with severe and attenuated disease and compare them with clinical reference standards. Untreated individuals in the MPS I Registry with at least one observation for length/height and/or head circumference and assigned phenotype as of May 2017 were included. Median growth for 463 untreated individuals with severe disease deviated from reference growth curves by ~6 months of age and fell below the third percentile by 4 years of age. Median head circumference was above reference curves from 3 to 4 months through 3 years of age. Among 207 individuals with untreated attenuated disease, median height fell below the third percentile by 9 years of age with divergence from reference curves by 2 years of age. MPS I-specific growth curves will be useful in evaluation of long-term outcomes of therapeutics interventions and will provide a foundation for understanding the pathogenesis of skeletal disease in MPS I.
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Affiliation(s)
- David Viskochil
- Department of Pediatrics, Division of Medical GeneticsUniversity of Utah School of MedicineSalt Lake CityUtah
| | - Lorne A. Clarke
- British Columbia Children's Hospital Research InstituteUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Luisa Bay
- Hospital Nacional de Pediatría J. P. GarrahanCiudad Autónoma de Buenos AiresArgentina
| | | | - Joseph Muenzer
- Department of PediatricsUniversity of North Carolina at Chapel HillChapel HillNorth Carolina
| | - Nathalie Guffon
- Centre de Référence des Maladies Héréditaires du MétabolismeHôpital Femme Mère EnfantLyonFrance
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18
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De Pasquale V, Pavone LM. Heparan sulfate proteoglycans: The sweet side of development turns sour in mucopolysaccharidoses. Biochim Biophys Acta Mol Basis Dis 2019; 1865:165539. [PMID: 31465828 DOI: 10.1016/j.bbadis.2019.165539] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/05/2019] [Accepted: 08/23/2019] [Indexed: 12/20/2022]
Abstract
Heparan sulfate proteoglycans (HSPGs) are complex carbohydrate-modified proteins ubiquitously expressed on cell surfaces, extracellular matrix and basement membrane of mammalian tissues. Beside to serve as structural constituents, they regulate multiple cellular activities. A critical involvement of HSPGs in development has been established, and perturbations of HSPG-dependent pathways are associated with many human diseases. Recent evidence suggest a role of HSPGs in the pathogenesis of mucopolysaccharidoses (MPSs) where the accumulation of undigested HS results in the loss of cellular functions, tissue damage and organ dysfunctions accounting for clinical manifestations which include central nervous system (CNS) involvement, degenerative joint disease and reduced bone growth. Current therapies are not curative but only ameliorate the disease symptoms. Here, we highlight the link between HSPG functions in the development of CNS and musculoskeletal structures and the etiology of some MPS phenotypes, suggesting that HSPGs may represent potential targets for the therapy of such incurable diseases.
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Affiliation(s)
- Valeria De Pasquale
- Department of Molecular Medicine and Medical Biotechnology, Medical School, University of Naples Federico II, Via S. Pansini n. 5, 80131 Naples, Italy.
| | - Luigi Michele Pavone
- Department of Molecular Medicine and Medical Biotechnology, Medical School, University of Naples Federico II, Via S. Pansini n. 5, 80131 Naples, Italy.
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19
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Muschol NM, Pape D, Kossow K, Ullrich K, Arash-Kaps L, Hennermann JB, Stücker R, Breyer SR. Growth charts for patients with Sanfilippo syndrome (Mucopolysaccharidosis type III). Orphanet J Rare Dis 2019; 14:93. [PMID: 31046785 PMCID: PMC6498678 DOI: 10.1186/s13023-019-1065-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 04/16/2019] [Indexed: 01/17/2023] Open
Abstract
Background Mucopolysaccharidosis (MPS) type III (Sanfilippo syndrome) comprises a group of rare, lysosomal storage diseases caused by the deficiency of one of four enzymes involved in the degradation of heparan sulfate. The clinical hallmark of the disease is severe neurological deterioration leading to dementia and death in the second decade of life. Adult MPS patients are generally of short stature. To date there is no clear description of the physical development of MPS III patients. The aim of this study was to document growth reference data for MPS III patients. We collected growth data of 182 German MPS III patients and were able to develop growth charts for this cohort. Growth curves for height, weight, head circumference, and body mass index were calculated and compared to German reference charts. Results Birth height, weight and head circumference were within the physiological ranges. Both genders were significantly taller than healthy children at 2 years of age, while only male patients were taller at the age of four. Growth velocity decelerated after the ages of 4.5 and 5 years for female and male patients, respectively. Both genders were significantly shorter than the reference group at the age of 17.5 years. Head circumference was larger compared to healthy matched controls within the first 2 years of life and remained enlarged until physical maturity. Conclusion MPS III is a not yet treatable severe neuro-degenerative disease, developing new therapeutic strategies might change the course of the disease significantly. The present charts contribute to the understanding of the natural history of MPS III. Specific growth charts represent an important tool for families and physicians as the expected height at physical maturity can be estimated and therapeutic effects can be monitored. Electronic supplementary material The online version of this article (10.1186/s13023-019-1065-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nicole M Muschol
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Daniel Pape
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Kai Kossow
- Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Kurt Ullrich
- Martin Zeitz Center for Rare Diseases, University Medical Center Hamburg-Eppendorf, Martinistr.52, 20246, Hamburg, Germany
| | - Laila Arash-Kaps
- Villa Metabolica, Department of Pediatric and Adolescent Medicine, University Medical Center Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Julia B Hennermann
- Villa Metabolica, Department of Pediatric and Adolescent Medicine, University Medical Center Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Ralf Stücker
- Department of Pediatric Orthopedics, Altonaer Children's Hospital, Bleickenallee 38, 22763, Hamburg, Germany.,Department of Orthopedics, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Sandra R Breyer
- Department of Pediatric Orthopedics, Altonaer Children's Hospital, Bleickenallee 38, 22763, Hamburg, Germany. .,Department of Orthopedics, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany.
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20
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Bellesso S, Salvalaio M, Lualdi S, Tognon E, Costa R, Braghetta P, Giraudo C, Stramare R, Rigon L, Filocamo M, Tomanin R, Moro E. FGF signaling deregulation is associated with early developmental skeletal defects in animal models for mucopolysaccharidosis type II (MPSII). Hum Mol Genet 2019; 27:2262-2275. [PMID: 29648648 DOI: 10.1093/hmg/ddy131] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 03/27/2018] [Indexed: 12/30/2022] Open
Abstract
Skeletal abnormalities represent a major clinical burden in patients affected by the lysosomal storage disorder mucopolysaccharidosis type II (MPSII, OMIM #309900). While extensive research has emphasized the detrimental role of stored glycosaminoglycans (GAGs) in the bone marrow (BM), a limited understanding of primary cellular mechanisms underlying bone defects in MPSII has hampered the development of bone-targeted therapeutic strategies beyond enzyme replacement therapy (ERT). We here investigated the involvement of key signaling pathways related to the loss of iduronate-2-sulfatase activity in two different MPSII animal models, D. rerio and M. musculus. We found that FGF pathway activity is impaired during early stages of bone development in IDS knockout mice and in a newly generated Ids mutant fish. In both models the FGF signaling deregulation anticipated a slow but progressive defect in bone differentiation, regardless of any extensive GAGs storage. We also show that MPSII patient fibroblasts harboring different mutations spanning the IDS gene exhibit perturbed FGF signaling-related markers expression. Our work opens a new venue to discover possible druggable novel key targets in MPSII.
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Affiliation(s)
- Stefania Bellesso
- Department of Molecular Medicine, University of Padova, I-35121 Padova, Italy
| | - Marika Salvalaio
- Pediatric Research Institute "Città della Speranza", I-35127 Padova, Italy.,Department of Women's and Children's Health, University of Padova, I-35128 Padova, Italy
| | - Susanna Lualdi
- Centro di Diagnostica Genetica e Biochimica delle Malattie Metaboliche Giannina Gaslini Institute, Genova 16147, Italy
| | - Elisa Tognon
- Department of Molecular Medicine, University of Padova, I-35121 Padova, Italy
| | - Roberto Costa
- Department of Biology, University of Padova, I-35121 Padova, Italy
| | - Paola Braghetta
- Department of Molecular Medicine, University of Padova, I-35121 Padova, Italy
| | - Chiara Giraudo
- Department of Medicine, Radiology Unit, University of Padova, I-35128 Padova, Italy
| | - Roberto Stramare
- Department of Medicine, Radiology Unit, University of Padova, I-35128 Padova, Italy
| | - Laura Rigon
- Pediatric Research Institute "Città della Speranza", I-35127 Padova, Italy.,Department of Women's and Children's Health, University of Padova, I-35128 Padova, Italy
| | - Mirella Filocamo
- Centro di Diagnostica Genetica e Biochimica delle Malattie Metaboliche Giannina Gaslini Institute, Genova 16147, Italy
| | - Rosella Tomanin
- Pediatric Research Institute "Città della Speranza", I-35127 Padova, Italy.,Department of Women's and Children's Health, University of Padova, I-35128 Padova, Italy
| | - Enrico Moro
- Department of Molecular Medicine, University of Padova, I-35121 Padova, Italy
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21
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Settembre C, Cinque L, Bartolomeo R, Di Malta C, De Leonibus C, Forrester A. Defective collagen proteostasis and matrix formation in the pathogenesis of lysosomal storage disorders. Matrix Biol 2018; 71-72:283-293. [DOI: 10.1016/j.matbio.2018.06.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 12/14/2022]
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22
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Substrate accumulation and extracellular matrix remodelling promote persistent upper airway disease in mucopolysaccharidosis patients on enzyme replacement therapy. PLoS One 2018; 13:e0203216. [PMID: 30226843 PMCID: PMC6143186 DOI: 10.1371/journal.pone.0203216] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 08/16/2018] [Indexed: 01/09/2023] Open
Abstract
Introduction Mucopolysaccharide diseases are a group of lysosomal storage disorders caused by deficiencies of hydrolase enzymes, leading to pathological glycosaminoglycan accumulation. A number of mucopolysaccharidosis (MPS) types are characterised by severe airway disease, the aetiology of which is poorly understood. There is ongoing evidence of significant clinical disease in the long-term despite disease modifying therapeutic strategies, including enzyme-replacement therapy (ERT). To provide a better understanding of this aspect of disease, we have characterised extracellular matrix (ECM) and inflammatory alterations in adenotonsillar tissue samples from 8 MPS patients. Methods Adenotonsillar samples from MPS I, IVA and VI ERT treated patients and from a single enzyme naïve MPS IIIA individual were compared to non-affected control samples using quantitative immunohistochemistry, qPCR and biochemical analysis. Results Significantly increased lysosomal compartment size and total sulphated glycosaminoglycan (p = 0.0007, 0.02) were identified in patient samples despite ERT. Heparan sulphate glycosaminoglycan was significantly elevated in MPS I and IIIA (p = 0.002), confirming incomplete reversal of disease. Collagen IV and laminin α-5 (p = 0.002, 0.0004) staining demonstrated increased ECM deposition within the reticular and capillary network of MPS samples. No significant change in the expression of the pro-inflammatory cytokines IL-1α, IL-6 or TNF-α was seen compared to control. Conclusion This study suggests a role for ECM remodelling contributing to the obstructive phenotype of airway disease in MPS. Current therapeutic strategies with ERT fail to normalise these pathological alterations within adenotonsillar samples. Our findings lend novel insight into the pathological cascade of events, with primarily structural rather than inflammatory changes contributing to the continuing phenotype seen in patients despite current therapeutic regimes.
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De Pasquale V, Sarogni P, Pistorio V, Cerulo G, Paladino S, Pavone LM. Targeting Heparan Sulfate Proteoglycans as a Novel Therapeutic Strategy for Mucopolysaccharidoses. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2018; 10:8-16. [PMID: 29942826 PMCID: PMC6011039 DOI: 10.1016/j.omtm.2018.05.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 05/13/2018] [Indexed: 12/31/2022]
Abstract
Mucopolysaccharidoses (MPSs) are inherited metabolic diseases caused by the deficiency of lysosomal enzymes needed to catabolize glycosaminoglycans (GAGs). Four therapeutic options are currently considered: enzyme replacement therapy, substrate reduction therapy, gene therapy, and hematopoietic stem cell transplantation. However, while some of them exhibit limited clinical efficacy and require high costs, others are still in development. Therefore, alternative treatments for MPSs need to be explored. Here we describe an innovative therapeutic approach based on the use of a recombinant protein that is able to bind the excess of extracellular accumulated heparan sulfate (HS). We demonstrate that this protein is able to reduce lysosomal defects in primary fibroblasts from MPS I and MPS IIIB patients. We also show that, by masking the excess of extracellular accumulated HS in MPS fibroblasts, fibroblast growth factor (FGF) signal transduction can be positively modulated. We, therefore, suggest the use of a competitive binding molecule for HS in MPSs as an alternative strategy to prevent the detrimental extracellular substrate storage.
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Affiliation(s)
- Valeria De Pasquale
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
| | - Patrizia Sarogni
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
| | - Valeria Pistorio
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
| | - Giuliana Cerulo
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
| | - Simona Paladino
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
| | - Luigi Michele Pavone
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
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24
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Costa R, Urbani A, Salvalaio M, Bellesso S, Cieri D, Zancan I, Filocamo M, Bonaldo P, Szabò I, Tomanin R, Moro E. Perturbations in cell signaling elicit early cardiac defects in mucopolysaccharidosis type II. Hum Mol Genet 2017; 26:1643-1655. [DOI: 10.1093/hmg/ddx069] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 02/17/2017] [Indexed: 01/28/2023] Open
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25
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Peck SH, Casal ML, Malhotra NR, Ficicioglu C, Smith LJ. Pathogenesis and treatment of spine disease in the mucopolysaccharidoses. Mol Genet Metab 2016; 118:232-43. [PMID: 27296532 PMCID: PMC4970936 DOI: 10.1016/j.ymgme.2016.06.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 06/03/2016] [Accepted: 06/03/2016] [Indexed: 12/21/2022]
Abstract
The mucopolysaccharidoses (MPS) are a family of lysosomal storage disorders characterized by deficient activity of enzymes that degrade glycosaminoglycans (GAGs). Skeletal disease is common in MPS patients, with the severity varying both within and between subtypes. Within the spectrum of skeletal disease, spinal manifestations are particularly prevalent. Developmental and degenerative abnormalities affecting the substructures of the spine can result in compression of the spinal cord and associated neural elements. Resulting neurological complications, including pain and paralysis, significantly reduce patient quality of life and life expectancy. Systemic therapies for MPS, such as hematopoietic stem cell transplantation and enzyme replacement therapy, have shown limited efficacy for improving spinal manifestations in patients and animal models. Therefore, there is a pressing need for new therapeutic approaches that specifically target this debilitating aspect of the disease. In this review, we examine how pathological abnormalities affecting the key substructures of the spine - the discs, vertebrae, odontoid process and dura - contribute to the progression of spinal deformity and symptomatic compression of neural elements. Specifically, we review current understanding of the underlying pathophysiology of spine disease in MPS, how the tissues of the spine respond to current clinical and experimental treatments, and discuss future strategies for improving the efficacy of these treatments.
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Affiliation(s)
- Sun H Peck
- Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, United States; Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, United States
| | - Margret L Casal
- Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, United States
| | - Neil R Malhotra
- Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, United States; Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, United States
| | - Can Ficicioglu
- Division of Human Genetics and Metabolism, The Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, United States
| | - Lachlan J Smith
- Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, United States; Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, United States.
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26
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Kingma SDK, Wagemans T, IJlst L, Bronckers ALJJ, van Kuppevelt TH, Everts V, Wijburg FA, van Vlies N. Altered interaction and distribution of glycosaminoglycans and growth factors in mucopolysaccharidosis type I bone disease. Bone 2016; 88:92-100. [PMID: 27105565 DOI: 10.1016/j.bone.2016.01.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 12/28/2015] [Accepted: 01/19/2016] [Indexed: 10/21/2022]
Abstract
The mucopolysaccharidoses (MPSs) comprise a group of lysosomal storage disorders characterized by deficient degradation and subsequent accumulation of glycosaminoglycans (GAGs). Progressive bone and joint disease are a major cause of morbidity, and current therapeutic strategies have limited effect on these symptoms. By elucidating pathophysiological mechanisms underlying bone disease, new therapeutic targets may be identified. Longitudinal growth is regulated by interaction between GAGs and growth factors. Because GAGs accumulate in the MPSs, we hypothesized that altered interaction between growth factors and GAGs contribute to the pathogenesis of MPS bone disease. In this study, binding between GAGs from MPS I chondrocytes and fibroblast growth factor 2 (FGF2) was not significantly different from binding of FGF2 to GAGs from control chondrocytes. FGF2 signaling, however, was increased in MPS I chondrocytes after incubation with FGF2, as compared to control chondrocytes. Using bone cultures, we demonstrated decreased growth of WT mouse bones after incubation with FGF2, but no effect on MPS I bone growth. However, MPS I bones showed decreased growth in the presence of GAGs from MPS I chondrocytes. Finally, we demonstrate altered GAG distribution in MPS I chondrocytes, and altered GAG, FGF2 and Indian hedgehog distribution in growth plates from MPS I mice. In summary, our results suggest that altered interaction and distribution of growth factors and accumulated GAGs may contribute to the pathogenesis of MPS bone disease. In the future, targeting growth factor regulation or the interaction between in growth factors and GAGs might be a promising therapeutic strategy for MPS bone disease.
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Affiliation(s)
- Sandra D K Kingma
- Laboratory of Genetic Metabolic Diseases, Department of Clinical Chemistry and Pediatrics, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands; Department of Pediatrics and Amsterdam Lysosome Centre "Sphinx", Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands.
| | - Tom Wagemans
- Laboratory of Genetic Metabolic Diseases, Department of Clinical Chemistry and Pediatrics, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands; Department of Pediatrics and Amsterdam Lysosome Centre "Sphinx", Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands.
| | - Lodewijk IJlst
- Laboratory of Genetic Metabolic Diseases, Department of Clinical Chemistry and Pediatrics, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands.
| | - Antonius L J J Bronckers
- Department of Oral Cell Biology ACTA, University of Amsterdam and VU University Amsterdam, Research Institute MOVE, Gustav Mahlerlaan 3004, 1081, LA, Amsterdam, The Netherlands.
| | - Toin H van Kuppevelt
- Toin H. van Kuppevelt: Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Postbus 9101, 6500, HB, Nijmegen, The Netherlands.
| | - Vincent Everts
- Department of Oral Cell Biology ACTA, University of Amsterdam and VU University Amsterdam, Research Institute MOVE, Gustav Mahlerlaan 3004, 1081, LA, Amsterdam, The Netherlands.
| | - Frits A Wijburg
- Department of Pediatrics and Amsterdam Lysosome Centre "Sphinx", Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands.
| | - Naomi van Vlies
- Laboratory of Genetic Metabolic Diseases, Department of Clinical Chemistry and Pediatrics, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands; Department of Pediatrics and Amsterdam Lysosome Centre "Sphinx", Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands.
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27
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Roberts SB, Dryden R, Tsirikos AI. Thoracolumbar kyphosis in patients with mucopolysaccharidoses: clinical outcomes and predictive radiographic factors for progression of deformity. Bone Joint J 2016; 98-B:229-37. [PMID: 26850429 DOI: 10.1302/0301-620x.98b2.36144] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS Clinical and radiological data were reviewed for all patients with mucopolysaccharidoses (MPS) with thoracolumbar kyphosis managed non-operatively or operatively in our institution. METHODS In all 16 patients were included (eight female: eight male; 50% male), of whom nine had Hurler, five Morquio and two Hunter syndrome. Six patients were treated non-operatively (mean age at presentation of 6.3 years; 0.4 to 12.9); mean kyphotic progression +1.5(o)/year; mean follow-up of 3.1 years (1 to 5.1) and ten patients operatively (mean age at presentation of 4.7 years; 0.9 to 14.4); mean kyphotic progression 10.8(o)/year; mean follow-up of 8.2 years; 4.8 to 11.8) by circumferential arthrodesis with posterior instrumentation in patients with flexible deformities (n = 6). RESULTS In the surgical group (mean age at surgery of 6.6 years; 2.4 to 16.8); mean post-operative follow-up of 6.3 years (3.5 to 10.3), mean pre-operative thoracolumbar kyphosis of 74.3(o) (42(o) to 110(o)) was corrected to mean of 28.6(o) (0(o) to 65(o)) post-operatively, relating to a mean deformity correction of 66.9% (31% to 100%). Surgical complications included a deep wound infection treated by early debridement, apical non-union treated by posterior re-grafting, and stable adjacent segment spondylolisthesis managed non-operatively. Thoracolumbar kyphosis > +38(o) at initial presentation was identified as predicting progressively severe deformity with 90% sensitivity and 83% specificity. DISCUSSION This study demonstrates that severe thoracolumbar kyphosis in patients with MPS can be effectively treated by circumferential arthrodesis. Severity of kyphosis at initial presentation may predict progression of thoracolumbar deformity. Patients with MPS may be particularly susceptible to post-operative complications due to the underlying connective tissue disorder and inherent immunological compromise. TAKE HOME MESSAGE Clinical and radiological data were reviewed for all patients with mucopolysaccharidoses with thoracolumbar kyphosis managed non-operatively or operatively in our institution.
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Affiliation(s)
- S B Roberts
- Royal Hospital for Sick Children, Sciennes Road, Edinburgh, EH9 1LF, UK
| | - R Dryden
- Royal Hospital for Sick Children, Sciennes Road, Edinburgh, EH9 1LF, UK
| | - A I Tsirikos
- Scottish National Spine Deformity Centre, Royal Hospital for Sick Children, Sciennes Road, Edinburgh, EH9 1LF, UK
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28
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Liu R, Liu Q, Wang K, Dang X, Zhang F. Comparative analysis of gene expression profiles in normal hip human cartilage and cartilage from patients with necrosis of the femoral head. Arthritis Res Ther 2016; 18:98. [PMID: 27146865 PMCID: PMC4857375 DOI: 10.1186/s13075-016-0991-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 04/07/2016] [Indexed: 12/02/2022] Open
Abstract
Background The pathogenesis of necrosis of the femoral head (NFH) remains elusive. Limited studies were conducted to investigate the molecular mechanism of hip articular cartilage damage in NFH. We conducted genome-wide gene expression profiling of hip articular cartilage with NFH. Methods Hip articular cartilage specimens were collected from 18 NFH patients and 18 healthy controls. Gene expression profiling of NFH articular cartilage was carried out by Agilent Human 4x44K Gene Expression Microarray chip. Differently expressed genes were identified using the significance analysis of microarrays (SAM) software. Gene Ontology (GO) enrichment analysis of differently expressed genes was performed using the Database for Annotation, Visualization and Integrated Discovery (DAVID). Significantly differently expressed genes in the microarray experiment were selected for quantitative real-time PCR (qRT-PCR) and immunohistochemical validation. Results SAM identified 27 differently expressed genes in NFH articular cartilage, functionally involved in extracellular matrix, cytokines, growth factors, cell cycle and apoptosis. The expression patterns of the nine validation genes in qRT-PCR were consistent with that in proteinaceous extracellular matrix (false discovery rate (FDR) = 3.22 × 10-5), extracellular matrix (FDR = 5.78 × 10-5), extracellular region part (FDR = 1.28 × 10-4), collagen (FDR = 3.22 × 10-4), extracellular region (FDR = 4.78 × 10-4) and platelet-derived growth factor binding (FDR = 5.23 × 10-4). Conclusions This study identified a set of differently expressed genes, implicated in articular cartilage damage in NFH. Our study results may provide novel insight into the pathogenesis and rationale of therapies for NFH. Electronic supplementary material The online version of this article (doi:10.1186/s13075-016-0991-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ruiyu Liu
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China.
| | - Qi Liu
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Kunzheng Wang
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Xiaoqian Dang
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Feng Zhang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P. R. China.
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29
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Parini R, Jones SA, Harmatz PR, Giugliani R, Mendelsohn NJ. The natural history of growth in patients with Hunter syndrome: Data from the Hunter Outcome Survey (HOS). Mol Genet Metab 2016; 117:438-46. [PMID: 26846156 DOI: 10.1016/j.ymgme.2016.01.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Revised: 01/23/2016] [Accepted: 01/23/2016] [Indexed: 10/22/2022]
Abstract
Hunter syndrome (mucopolysaccharidosis type II) affects growth but the overall impact is poorly understood. This study investigated the natural history of growth and related parameters and their relationship with disease severity (as indicated by cognitive impairment). Natural history data from males followed prospectively in the Hunter Outcome Survey registry and not receiving growth hormone or enzyme replacement therapy, or before treatment start, were analysed (N=676; January 2014). Analysis of first-reported measurements showed short stature by 8years of age; median age-corrected standardized height score (z-score) in patients aged 8-12years was -3.1 (1st, 3rd quartile: -4.3, -1.7; n=68). Analysis of growth velocity using consecutive values found no pubertal growth spurt. Patients had large head circumference at all ages, and above average body weight and body mass index (BMI) during early childhood (median z-score in patients aged 2-4years, weight [n=271]: 1.7 [0.9, 2.4]; BMI [n=249]: 2.0 [1.1, 2.7]). Analysis of repeated measurements over time found greater BMI in those with cognitive impairment than those without, but no difference in height, weight or head circumference. Logistic regression modelling (data from all time points) found that increased BMI was associated with the presence of cognitive impairment (odds ratio [95% CI], 3.329 [2.313-4.791]), as were increased weight (2.365 [1.630-3.433]) and head circumference (1.749 [1.195-2.562]), but not reduced height. Unlike some other MPS disorders, there is no evidence at present for predicting disease severity in patients with Hunter syndrome based on changes in growth characteristics.
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Affiliation(s)
- Rossella Parini
- Rare Metabolic Disease Unit, Pediatric Department, University Milano Bicocca, San Gerardo Hospital, Via Pergolesi 33, 20900 Monza, Italy.
| | - Simon A Jones
- Willink Unit, Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Sciences Centre, Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK.
| | - Paul R Harmatz
- UCSF Benioff Children's Hospital Oakland, Oakland, CA 94609, USA.
| | - Roberto Giugliani
- Medical Genetics Service/HCPA, Department of Genetics/UFRGS and INAGEMP, Rua Ramiro Barcelos 2350, 90035-903 Porto Alegre, RS, Brazil.
| | - Nancy J Mendelsohn
- Department of Medical Genetics, Children's Hospitals and Clinics of Minnesota, 2525 Chicago Ave South, CSC 560, Minneapolis, MN 55404, USA; Department of Pediatrics, Division of Genetics, University of Minnesota, Minneapolis, MN 55455, USA.
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30
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Gabrielli O, Clarke LA, Ficcadenti A, Santoro L, Zampini L, Volpi N, Coppa GV. 12 year follow up of enzyme-replacement therapy in two siblings with attenuated mucopolysaccharidosis I: the important role of early treatment. BMC MEDICAL GENETICS 2016; 17:19. [PMID: 26965916 PMCID: PMC4785727 DOI: 10.1186/s12881-016-0284-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 03/03/2016] [Indexed: 11/10/2022]
Abstract
BACKGROUND Mucopolysaccharidosis type I is an autosomal recessive disorder caused by deficiency of α-L-iduronidase and characterized by a progressive course with multisystem involvement. Clinically, Mucopolysaccharidosis type I is classified into two forms: severe (Hurler syndrome), which presents in infancy and is characterized by rapid progressive neurological involvement and attenuated (Hurler/Scheie and Scheie syndromes), which presents with slower progression and absent to mild nervous system involvement. The specific treatment for attenuated Mucopolysaccharidosis type I consists of enzyme-replacement therapy with laronidase (human recombinant α-L-iduronidase, Aldurazyme). We present here the clinical and laboratory results in an 12-year-old patient affected by the attenuated form of Mucopolysaccharidosis type I treated by enzyme-replacement therapy from the age of 5 months, compared with his 17 year old affected sister, who started therapy at 5 years of age. CASE PRESENTATION Clinical evaluation of these siblings shows that initiation of therapy prior of the onset of clinically detectable disease resulted in considerable improvement in outcome in the young sibling. After 12 years of enzyme-replacement therapy, facial appearance, linear growth rate, and liver and spleen volumes were normal; moreover, the degree of joint disease, vertebral, and cardiac valvular involvement were only minimal compared with those of his sister. CONCLUSION This study demonstrates that early diagnosis and early initiation of enzyme-replacement therapy substantially modify the natural history of the attenuated form of Mucopolysaccharidosis type I.
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Affiliation(s)
- Orazio Gabrielli
- Pediatric Division, Department of Clinical Sciences, Polytechnic University of Marche, Ospedali Riuniti, Presidio Salesi, Via Corridoni 11, 60123, Ancona, Italy.
| | - Lorne A Clarke
- Child and Family Research Institute, Department of Medical Genetics, University of British Columbia, Vancouver, Canada
| | - Anna Ficcadenti
- Pediatric Division, Department of Clinical Sciences, Polytechnic University of Marche, Ospedali Riuniti, Presidio Salesi, Via Corridoni 11, 60123, Ancona, Italy
| | - Lucia Santoro
- Pediatric Division, Department of Clinical Sciences, Polytechnic University of Marche, Ospedali Riuniti, Presidio Salesi, Via Corridoni 11, 60123, Ancona, Italy
| | - Lucia Zampini
- Pediatric Division, Department of Clinical Sciences, Polytechnic University of Marche, Ospedali Riuniti, Presidio Salesi, Via Corridoni 11, 60123, Ancona, Italy
| | - Nicola Volpi
- Department of Biology, University of Modena & Reggio Emilia, Modena, Italy
| | - Giovanni V Coppa
- Pediatric Division, Department of Clinical Sciences, Polytechnic University of Marche, Ospedali Riuniti, Presidio Salesi, Via Corridoni 11, 60123, Ancona, Italy
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31
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Heywood WE, Camuzeaux S, Doykov I, Patel N, Preece RL, Footitt E, Cleary M, Clayton P, Grunewald S, Abulhoul L, Chakrapani A, Sebire NJ, Hindmarsh P, de Koning TJ, Heales S, Burke D, Gissen P, Mills K. Proteomic Discovery and Development of a Multiplexed Targeted MRM-LC-MS/MS Assay for Urine Biomarkers of Extracellular Matrix Disruption in Mucopolysaccharidoses I, II, and VI. Anal Chem 2015; 87:12238-44. [PMID: 26537538 DOI: 10.1021/acs.analchem.5b03232] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The mucopolysaccharidoses (MPS) are lysosomal storage disorders that result from defects in the catabolism of glycosaminoglycans. Impaired muscle, bone, and connective tissue are typical clinical features of MPS due to disruption of the extracellular matrix. Markers of MPS disease pathology are needed to determine disease severity and monitor effects of existing and emerging new treatments on disease mechanisms. Urine samples from a small cohort of MPS-I, -II, and -VI patients (n = 12) were analyzed using label-free quantative proteomics. Fifty-three proteins including many associated with extracellular matrix organization were differently expressed. A targeted multiplexed peptide MRM LC-MS/MS assay was used on a larger validation cohort of patient samples (MPS-I n = 18, MPS-II n = 12, MPS-VI n = 6, control n = 20). MPS-I and -II groups were further subdivided according to disease severity. None of the markers assessed were altered significantly in the mild disease groups compared to controls. β-galactosidase, a lysosomal protein, was elevated 3.6-5.7-fold significantly (p < 0.05) in all disease groups apart from mild MPS-I and -II. Collagen type Iα, fatty-acid-binding-protein 5, nidogen-1, cartilage oligomeric matrix protein, and insulin-like growth factor binding protein 7 concentrations were elevated in severe MPS I and II groups. Cartilage oligomeric matrix protein, insulin-like growth factor binding protein 7, and β-galactosidase were able to distinguish the severe neurological form of MPS-II from the milder non-neurological form. Protein Heg1 was significantly raised only in MPS-VI. This work describes the discovery of new biomarkers of MPS that represent disease pathology and allows the stratification of MPS-II patients according to disease severity.
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Affiliation(s)
- Wendy E Heywood
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
| | - Stephane Camuzeaux
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
| | - Ivan Doykov
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
| | - Nina Patel
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
| | - Rhian-Lauren Preece
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
| | - Emma Footitt
- Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Maureen Cleary
- Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Peter Clayton
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
| | - Stephanie Grunewald
- Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Lara Abulhoul
- Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Anupam Chakrapani
- Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Neil J Sebire
- Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Peter Hindmarsh
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
| | - Tom J de Koning
- University of Groningen , University Medical Center Groningen, Departments of Genetics and Neurology, P.O. Box 30.001, 9700 RB Groningen, Netherlands
| | - Simon Heales
- Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom.,Enzyme and Metabolic Unit, Chemical Pathology, Great Ormond Street Hospital for Children , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Derek Burke
- Enzyme and Metabolic Unit, Chemical Pathology, Great Ormond Street Hospital for Children , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Paul Gissen
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom.,Centre for Inborn Errors of Metabolism, Great Ormond Street Hospital , Great Ormond Street, London, WC1N 3JH, United Kingdom
| | - Kevin Mills
- Centre for Translational Omics, UCL Institute of Child Health , 30 Guilford Street, London, WC1N 1EH United Kingdom
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Oestreich AK, Garcia MR, Yao X, Pfeiffer FM, Nobakhti S, Shefelbine SJ, Wang Y, Brodeur AC, Phillips CL. Characterization of the MPS I-H knock-in mouse reveals increased femoral biomechanical integrity with compromised material strength and altered bone geometry. Mol Genet Metab Rep 2015. [PMID: 28649535 PMCID: PMC5471398 DOI: 10.1016/j.ymgmr.2015.08.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Mucopolysaccharidosis type I (MPS I), is an autosomal recessive lysosomal storage disorder caused by a deficiency in the α-L-iduronidase enzyme, resulting in decreased enzymatic activity and accumulation of glycosaminoglycans. The disorder phenotypically manifests with increased urine glycosaminoglycan excretion, facial dysmorphology, neuropathology, cardiac manifestations, and bone deformities. While the development of new treatment strategies have shown promise in attenuating many symptoms associated with the disorder, the bone phenotype remains unresponsive. The aim of this study was to investigate and further characterize the skeletal manifestations of the Idua-W392X knock-in mouse model, which carries a nonsense mutation corresponding to the IDUA-W402X mutation found in Hurler syndrome (MPS I-H) patients. μCT analysis of the microarchitecture demonstrated increased cortical thickness, trabecular number, and trabecular connectivity along with decreased trabecular separation in the tibiae of female homozygous Idua-W392X knock-in (IDUA−/−) mice, and increased cortical thickness in male IDUA−/− tibiae. Cortical density, as determined by μCT, and bone mineral density distribution, as determined by quantitative backscattered microscopy, were equivalent in IDUA−/− and wildtype (Wt) bone. However, tibial porosity was increased in IDUA−/− cortical bone. Raman spectroscopy results indicated that tibiae from female IDUA−/− had decreased phosphate to matrix ratios and increased carbonate to phosphate ratios compared to Wt female tibiae, whereas these ratios remained equivalent in male IDUA−/− and Wt tibiae. Femora demonstrated altered geometry and upon torsional loading to failure analysis, female IDUA−/− mouse femora exhibited increased torsional ultimate strength, with a decrease in material strength relative to Wt littermates. Taken together, these findings suggest that the IDUA−/− mutation results in increased bone torsional strength by altering the overall bone geometry and the microarchitecture which may be a compensatory response to increased porosity, reduced bone tensile strength and altered physiochemical composition.
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Key Words
- BMD, bone mineral density
- BMDD, bone mineral density distribution
- BV/TV, bone volume/total volume
- Bone biomechanics
- FWHM, full width at half maximum
- G, shear modulus of elasticity
- GAGs, glycosaminoglycans
- IDUA, α-L-iduronidase
- Idua-W392X
- Ks, stiffness
- MPS I, mucopolysaccharidosis type I
- Mucopolysaccharidosis type I
- Raman spectroscopy
- SMI, structure model index
- Su, tensile strength
- Tmax, torsional ultimate strength
- U, energy to failure
- α-L-iduronidase
- μCT, microcomputed tomography
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Affiliation(s)
- Arin K Oestreich
- Department of Biological Sciences, University of Missouri, Columbia, MO 65211, United States
| | - Mekka R Garcia
- Department of Biochemistry, University of Missouri, Columbia, MO 65211, United States
| | - Xiaomei Yao
- Department of Oral and Craniofacial Sciences, School of Dentistry, University of Missouri-Kansas City, Kansas City, MO 64108, United States
| | - Ferris M Pfeiffer
- Department of Orthopaedic Surgery and Bioengineering, University of Missouri, Columbia, MO 65211, United States
| | - Sabah Nobakhti
- Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115, United States
| | - Sandra J Shefelbine
- Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115, United States
| | - Yong Wang
- Department of Oral and Craniofacial Sciences, School of Dentistry, University of Missouri-Kansas City, Kansas City, MO 64108, United States
| | - Amanda C Brodeur
- Department of Biomedical Sciences, Missouri State University, Springfield, MO 65804, United States
| | - Charlotte L Phillips
- Department of Biochemistry, University of Missouri, Columbia, MO 65211, United States.,Department of Child Health, University of Missouri, Columbia, MO 65211, United States
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