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Lau AA, Jin K, Beard H, Windram T, Xie K, O'Brien JA, Neumann D, King BM, Snel MF, Trim PJ, Mitrofanis J, Hemsley KM, Austin PJ. Photobiomodulation in the infrared spectrum reverses the expansion of circulating natural killer cells and brain microglial activation in Sanfilippo mice. J Neurochem 2024. [PMID: 38849324 DOI: 10.1111/jnc.16145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 06/09/2024]
Abstract
Sanfilippo syndrome results from inherited mutations in genes encoding lysosomal enzymes that catabolise heparan sulfate (HS), leading to early childhood-onset neurodegeneration. This study explores the therapeutic potential of photobiomodulation (PBM), which is neuroprotective and anti-inflammatory in several neurodegenerative diseases; it is also safe and PBM devices are readily available. We investigated the effects of 10-14 days transcranial PBM at 670 nm (2 or 4 J/cm2/day) or 904 nm (4 J/cm2/day) in young (3 weeks) and older (15 weeks) Sanfilippo or mucopolysaccharidosis type IIIA (MPS IIIA) mice. Although we found no PBM-induced changes in HS accumulation, astrocyte activation, CD206 (an anti-inflammatory marker) and BDNF expression in the brains of Sanfilippo mice, there was a near-normalisation of microglial activation in older MPS IIIA mice by 904 nm PBM, with decreased IBA1 expression and a return of their morphology towards a resting state. Immune cell immunophenotyping of peripheral blood with mass cytometry revealed increased pro-inflammatory signalling through pSTAT1 and p-p38 in NK and T cells in young but not older MPS IIIA mice (5 weeks of age), and expansion of NK, B and CD8+ T cells in older affected mice (17 weeks of age), highlighting the importance of innate and adaptive lymphocytes in Sanfilippo syndrome. Notably, 670 and 904 nm PBM both reversed the Sanfilippo-induced increase in pSTAT1 and p-p38 expression in multiple leukocyte populations in young mice, while 904 nm reversed the increase in NK cells in older mice. In conclusion, this is the first study to demonstrate the beneficial effects of PBM in Sanfilippo mice. The distinct reduction in microglial activation and NK cell pro-inflammatory signalling and number suggests PBM may alleviate neuroinflammation and lymphocyte activation, encouraging further investigation of PBM as a standalone, or complementary therapy in Sanfilippo syndrome.
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Affiliation(s)
- A A Lau
- Childhood Dementia Research Group, Flinders University, College of Medicine and Public Health, Flinders Health and Medical Research Institute, Bedford Park, South Australia, Australia
| | - K Jin
- Brain and Mind Centre, School of Medical Sciences, Faculty of Medicine & Health, University of Sydney, Camperdown, New South Wales, Australia
| | - H Beard
- Childhood Dementia Research Group, Flinders University, College of Medicine and Public Health, Flinders Health and Medical Research Institute, Bedford Park, South Australia, Australia
| | - T Windram
- Childhood Dementia Research Group, Flinders University, College of Medicine and Public Health, Flinders Health and Medical Research Institute, Bedford Park, South Australia, Australia
| | - K Xie
- Brain and Mind Centre, School of Medical Sciences, Faculty of Medicine & Health, University of Sydney, Camperdown, New South Wales, Australia
- Charles Perkins Centre, School of Medical Sciences, Faculty of Medicine & Health, University of Sydney, Sydney, New South Wales, Australia
| | - J A O'Brien
- Brain and Mind Centre, School of Medical Sciences, Faculty of Medicine & Health, University of Sydney, Camperdown, New South Wales, Australia
| | - D Neumann
- Childhood Dementia Research Group, Flinders University, College of Medicine and Public Health, Flinders Health and Medical Research Institute, Bedford Park, South Australia, Australia
| | - B M King
- Childhood Dementia Research Group, Flinders University, College of Medicine and Public Health, Flinders Health and Medical Research Institute, Bedford Park, South Australia, Australia
| | - M F Snel
- Proteomics, Metabolomics and MS-Imaging Core Facility, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - P J Trim
- Proteomics, Metabolomics and MS-Imaging Core Facility, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - J Mitrofanis
- Fonds Clinatec, Université Grenoble Alpes, Grenoble, France
- Institute of Ophthalmology, University College London, London, UK
| | - K M Hemsley
- Childhood Dementia Research Group, Flinders University, College of Medicine and Public Health, Flinders Health and Medical Research Institute, Bedford Park, South Australia, Australia
| | - P J Austin
- Brain and Mind Centre, School of Medical Sciences, Faculty of Medicine & Health, University of Sydney, Camperdown, New South Wales, Australia
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2
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Petrova R, Patil AR, Trinh V, McElroy KE, Bhakta M, Tien J, Wilson DS, Warren L, Stratton JR. Disease pathology signatures in a mouse model of Mucopolysaccharidosis type IIIB. Sci Rep 2023; 13:16699. [PMID: 37794029 PMCID: PMC10550979 DOI: 10.1038/s41598-023-42431-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 09/10/2023] [Indexed: 10/06/2023] Open
Abstract
Mucopolysaccharidosis type IIIB (MPS IIIB) is a rare and devastating childhood-onset lysosomal storage disease caused by complete loss of function of the lysosomal hydrolase α-N-acetylglucosaminidase. The lack of functional enzyme in MPS IIIB patients leads to the progressive accumulation of heparan sulfate throughout the body and triggers a cascade of neuroinflammatory and other biochemical processes ultimately resulting in severe mental impairment and early death in adolescence or young adulthood. The low prevalence and severity of the disease has necessitated the use of animal models to improve our knowledge of the pathophysiology and for the development of therapeutic treatments. In this study, we took a systematic approach to characterizing a classical mouse model of MPS IIIB. Using a series of histological, biochemical, proteomic and behavioral assays, we tested MPS IIIB mice at two stages: during the pre-symptomatic and early symptomatic phases of disease development, in order to validate previously described phenotypes, explore new mechanisms of disease pathology and uncover biomarkers for MPS IIIB. Along with previous findings, this study helps provide a deeper understanding of the pathology landscape of this rare disease with high unmet medical need and serves as an important resource to the scientific community.
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Affiliation(s)
- Ralitsa Petrova
- Biologics Discovery Science, Teva Pharmaceutical Industries Ltd, Redwood City, CA, USA.
| | - Abhijeet R Patil
- Genomics and Computational Biology, Teva Pharmaceutical Industries Ltd, West Chester, PA, USA
| | - Vivian Trinh
- Biologics Discovery Science, Teva Pharmaceutical Industries Ltd, Redwood City, CA, USA
| | - Kathryn E McElroy
- Biologics Discovery Science, Teva Pharmaceutical Industries Ltd, Redwood City, CA, USA
| | - Minoti Bhakta
- Biologics Discovery Science, Teva Pharmaceutical Industries Ltd, Redwood City, CA, USA
| | - Jason Tien
- Biologics Discovery Science, Teva Pharmaceutical Industries Ltd, Redwood City, CA, USA
| | - David S Wilson
- Biologics Discovery Science, Teva Pharmaceutical Industries Ltd, Redwood City, CA, USA
| | - Liling Warren
- Genomics and Computational Biology, Teva Pharmaceutical Industries Ltd, West Chester, PA, USA
| | - Jennifer R Stratton
- Biologics Discovery Science, Teva Pharmaceutical Industries Ltd, Redwood City, CA, USA.
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3
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Pericleous K, McIntyre C, Fuller M. Neurocognitive testing in a murine model of mucopolysaccharidosis type IIIA. Mol Genet Metab Rep 2023; 36:100985. [PMID: 37332488 PMCID: PMC10276283 DOI: 10.1016/j.ymgmr.2023.100985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/31/2023] [Accepted: 05/31/2023] [Indexed: 06/20/2023] Open
Abstract
Mucopolysaccharidosis type IIIA (MPS IIIA) is an inherited metabolic disorder caused by a lysosomal enzyme deficiency resulting in heparan sulphate (HS) accumulation and manifests with a progressive neurodegenerative phenotype. A naturally occurring MPS IIIA mouse model is invaluable for preclinical evaluation of potential treatments but the ability to effectively assess neurological function has proved challenging. Here, the aim was to evaluate a set of behaviour tests for their reliability in assessing disease progression in the MPS IIIA mouse model. Compared to wild-type (WT) mice, MPS IIIA mice displayed memory and learning deficits in the water crossmaze from mid-stage disease and locomotor impairment in the hind-limb gait assessment at late-stage disease, supporting previous findings. Declined wellbeing was also observed in the MPS IIIA mice via burrowing and nest building evaluation at late-stage disease compared to WT mice, mirroring the progressive nature of neurological disease. Excessive HS accumulation observed in the MPS IIIA mouse brain from 1 month of age did not appear to manifest as abnormal behaviours until at least 6 months of age suggesting there may be a threshold of HS accumulation before measurable neurocognitive decline. Results obtained from the open field and three-chamber sociability test are inconsistent with previous studies and do not reflect MPS IIIA patient disease progression, suggesting these assessments are not reliable. In conclusion, water cross-maze, hind-limb gait, nest building and burrowing, are promising assessments in the MPS IIIA mouse model, which produce consistent results that mimic the human disease.
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Affiliation(s)
- Kleopatra Pericleous
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital, 72 King William Road, North Adelaide 5006, Australia
- School of Biological Sciences, University of Adelaide, Adelaide 5000, Australia
| | - Chantelle McIntyre
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital, 72 King William Road, North Adelaide 5006, Australia
| | - Maria Fuller
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital, 72 King William Road, North Adelaide 5006, Australia
- School of Biological Sciences, University of Adelaide, Adelaide 5000, Australia
- Adelaide Medical School, University of Adelaide, Adelaide 5000, Australia
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4
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Synaptic Alterations in a Transgenic Model of Tuberous Sclerosis Complex: Relevance to Autism Spectrum Disorders. Int J Mol Sci 2021; 22:ijms221810058. [PMID: 34576223 PMCID: PMC8466868 DOI: 10.3390/ijms221810058] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/08/2021] [Accepted: 09/14/2021] [Indexed: 01/02/2023] Open
Abstract
Tuberous sclerosis complex (TSC) is a rare, multi-system genetic disease with serious neurological and mental symptoms, including autism. Mutations in the TSC1/TSC2 genes lead to the overactivation of mTOR signalling, which is also linked to nonsyndromic autism. Our aim was to analyse synaptic pathology in a transgenic model of TSC: two-month-old male B6;129S4-Tsc2tm1Djk/J mice with Tsc2 haploinsufficiency. Significant brain-region-dependent alterations in the expression of several synaptic proteins were identified. The most prominent changes were observed in the immunoreactivity of presynaptic VAMP1/2 (ca. 50% increase) and phospho-synapsin-1 (Ser62/67) (ca. 80% increase). Transmission electron microscopy demonstrated serious ultrastructural abnormalities in synapses such as a blurred structure of synaptic density and a significantly increased number of synaptic vesicles. The impairment of synaptic mitochondrial ultrastructure was represented by excessive elongation, swelling, and blurred crista contours. Polyribosomes in the cytoplasm and swollen Golgi apparatus suggest possible impairment of protein metabolism. Moreover, the delamination of myelin and the presence of vacuolar structures in the cell nucleus were observed. We also report that Tsc2+/- mice displayed increased brain weights and sizes. The behavioural analysis demonstrated the impairment of memory function, as established in the novel object recognition test. To summarise, our data indicate serious synaptic impairment in the brains of male Tsc2+/- mice.
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De Risi M, Tufano M, Alvino FG, Ferraro MG, Torromino G, Gigante Y, Monfregola J, Marrocco E, Pulcrano S, Tunisi L, Lubrano C, Papy-Garcia D, Tuchman Y, Salleo A, Santoro F, Bellenchi GC, Cristino L, Ballabio A, Fraldi A, De Leonibus E. Altered heparan sulfate metabolism during development triggers dopamine-dependent autistic-behaviours in models of lysosomal storage disorders. Nat Commun 2021; 12:3495. [PMID: 34108486 PMCID: PMC8190083 DOI: 10.1038/s41467-021-23903-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 05/19/2021] [Indexed: 01/18/2023] Open
Abstract
Lysosomal storage disorders characterized by altered metabolism of heparan sulfate, including Mucopolysaccharidosis (MPS) III and MPS-II, exhibit lysosomal dysfunctions leading to neurodegeneration and dementia in children. In lysosomal storage disorders, dementia is preceded by severe and therapy-resistant autistic-like symptoms of unknown cause. Using mouse and cellular models of MPS-IIIA, we discovered that autistic-like behaviours are due to increased proliferation of mesencephalic dopamine neurons originating during embryogenesis, which is not due to lysosomal dysfunction, but to altered HS function. Hyperdopaminergia and autistic-like behaviours are corrected by the dopamine D1-like receptor antagonist SCH-23390, providing a potential alternative strategy to the D2-like antagonist haloperidol that has only minimal therapeutic effects in MPS-IIIA. These findings identify embryonic dopaminergic neurodevelopmental defects due to altered function of HS leading to autistic-like behaviours in MPS-II and MPS-IIIA and support evidence showing that altered HS-related gene function is causative of autism.
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Affiliation(s)
- Maria De Risi
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
- Institute of Biochemistry and Cell Biology, CNR, Monterotondo Scalo, Rome, Italy
| | - Michele Tufano
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | | | | | - Giulia Torromino
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
- Institute of Biochemistry and Cell Biology, CNR, Monterotondo Scalo, Rome, Italy
| | - Ylenia Gigante
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | - Jlenia Monfregola
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | - Elena Marrocco
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | | | - Lea Tunisi
- Institute of Biomolecular Chemistry, CNR, Pozzuoli, Naples, Italy
| | - Claudia Lubrano
- Center for Advanced Biomaterials for Healthcare, Istituto Italiano di Tecnologia, Naples, Italy
| | | | - Yaakov Tuchman
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Alberto Salleo
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Francesca Santoro
- Center for Advanced Biomaterials for Healthcare, Istituto Italiano di Tecnologia, Naples, Italy
| | | | - Luigia Cristino
- Institute of Biomolecular Chemistry, CNR, Pozzuoli, Naples, Italy
| | - Andrea Ballabio
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | - Alessandro Fraldi
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | - Elvira De Leonibus
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy.
- Institute of Biochemistry and Cell Biology, CNR, Monterotondo Scalo, Rome, Italy.
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6
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Douek AM, Amiri Khabooshan M, Henry J, Stamatis SA, Kreuder F, Ramm G, Änkö ML, Wlodkowic D, Kaslin J. An Engineered sgsh Mutant Zebrafish Recapitulates Molecular and Behavioural Pathobiology of Sanfilippo Syndrome A/MPS IIIA. Int J Mol Sci 2021; 22:ijms22115948. [PMID: 34073041 PMCID: PMC8197930 DOI: 10.3390/ijms22115948] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 12/29/2022] Open
Abstract
Mucopolysaccharidosis IIIA (MPS IIIA, Sanfilippo syndrome type A), a paediatric neurological lysosomal storage disease, is caused by impaired function of the enzyme N-sulfoglucosamine sulfohydrolase (SGSH) resulting in impaired catabolism of heparan sulfate glycosaminoglycan (HS GAG) and its accumulation in tissues. MPS IIIA represents a significant proportion of childhood dementias. This condition generally leads to patient death in the teenage years, yet no effective therapy exists for MPS IIIA and a complete understanding of the mechanisms of MPS IIIA pathogenesis is lacking. Here, we employ targeted CRISPR/Cas9 mutagenesis to generate a model of MPS IIIA in the zebrafish, a model organism with strong genetic tractability and amenity for high-throughput screening. The sgshΔex5-6 zebrafish mutant exhibits a complete absence of Sgsh enzymatic activity, leading to progressive accumulation of HS degradation products with age. sgshΔex5-6 zebrafish faithfully recapitulate diverse CNS-specific features of MPS IIIA, including neuronal lysosomal overabundance, complex behavioural phenotypes, and profound, lifelong neuroinflammation. We further demonstrate that neuroinflammation in sgshΔex5-6 zebrafish is largely dependent on interleukin-1β and can be attenuated via the pharmacological inhibition of Caspase-1, which partially rescues behavioural abnormalities in sgshΔex5-6 mutant larvae in a context-dependent manner. We expect the sgshΔex5-6 zebrafish mutant to be a valuable resource in gaining a better understanding of MPS IIIA pathobiology towards the development of timely and effective therapeutic interventions.
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Affiliation(s)
- Alon M. Douek
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; (A.M.D.); (M.A.K.); (S.-A.S.); (F.K.)
| | - Mitra Amiri Khabooshan
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; (A.M.D.); (M.A.K.); (S.-A.S.); (F.K.)
| | - Jason Henry
- Neurotoxicology Lab, School of Science (Biosciences), RMIT University, Bundoora, VIC 3083, Australia; (J.H.); (D.W.)
| | - Sebastian-Alexander Stamatis
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; (A.M.D.); (M.A.K.); (S.-A.S.); (F.K.)
| | - Florian Kreuder
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; (A.M.D.); (M.A.K.); (S.-A.S.); (F.K.)
| | - Georg Ramm
- Ramaciotti Centre for Cryo-Electron Microscopy, Monash University, Clayton, VIC 3800, Australia;
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Minna-Liisa Änkö
- Centre for Reproductive Health and Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia;
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC 3800, Australia
| | - Donald Wlodkowic
- Neurotoxicology Lab, School of Science (Biosciences), RMIT University, Bundoora, VIC 3083, Australia; (J.H.); (D.W.)
| | - Jan Kaslin
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; (A.M.D.); (M.A.K.); (S.-A.S.); (F.K.)
- Correspondence: ; Tel.: +61-3-9902-9613; Fax: +61-3-9902-9729
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Rodnyy AY, Kulikova EA, Kondaurova EM, Naumenko VS. Serotonin 5-HT1A, 5-HT2A, and 5-HT7 Receptors in the Brain of the BTBR Mouse the Model of Autism. NEUROCHEM J+ 2021. [DOI: 10.1134/s1819712421010098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Irigonhê ATD, Moreira AMT, Valle DAD, Santos MLSF. MUCOPOLYSACARIDOSIS TYPE IIIB MISDIAGNOSED AS AN AUTISTIC SPECTRUM DISORDER: A CASE REPORT AND LITERATURE REVIEW. REVISTA PAULISTA DE PEDIATRIA 2020; 39:e2019397. [PMID: 33111769 PMCID: PMC7584028 DOI: 10.1590/1984-0462/2021/39/2019397] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 03/25/2020] [Indexed: 12/29/2022]
Abstract
Objective: To report a rare case of mucopolysaccharidosis IIIB in a pediatric patient,
with emphasis on the description of the clinical manifestations and the
early diagnosis. Case description: A 14-year-old male patient, who presented regression of neuropsychomotor
development since his three years and six months old, with speech loss and
frequent falls, evolving with behavioral changes, with agitation and
aggressiveness. Although being diagnosed with autism, there was no response
to the established treatment; he was subsequently submitted to metabolic
investigation, which lead to the diagnosis of Mucopolysaccharidosis
IIIB. Comments: Identifying a metabolic disorder requires connecting multiple signs and
symptoms, as well as eliminating other apparent causes. MPS IIIB is a
diagnostic challenge, particularly in the early stages and in the absence of
a family history of the disease.
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Affiliation(s)
| | | | - Daniel Almeida do Valle
- Universidade Positivo, Curitiba, PR, Brazil.,Hospital Pequeno Príncipe, Curitiba, PR, Brazil
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