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Neuroradiologic Findings in Fucosidosis, a Rare Lysosomal Storage Disease
Neuroradiologic Findings in Fucosidosis, a Rare Lysosomal Storage Disease James M. Provenzale, Daniel P. Barboriak, and Katherine Sims Summary: Fucosidosis is a rare lysosomal storage disorder with vacuolated secondary lysosomes containing some fine the clinical features of mental retardation, cardiomegaly, dysos- fibrillar material and lamellated membrane structures. tosis multiplex, progressive neurologic deterioration, and early A magnetic resonance (MR) examination at the age of death. The neuroradiologic findings in two patients are reported, 10 years showed confluent regions of hyperintense signal and include abnormalities within the globus pallidus (both pa- on T2-weighted images in the periventricular regions, tients) and periventricular white matter (one patient). most prominent surrounding the atria of the lateral ventri- cles. Hyperintense signal was noted in the globus pallidus Index terms: Brain, metabolism; Degenerative disease, Pediatric on T1-weighted images, with corresponding hypointense neuroradiology signal on T2-weighted images (Fig 1). Fucosidosis is a rare metabolic disorder caused by decreased amounts of the enzyme Case 2 a-L-fucosidase, which results in the accumula- A 2-year-old boy was examined for speech delay and tion of fucose-rich storage products within psychomotor retardation. He was born at term after a many organs, including the brain. Patients with normal pregnancy, and appropriate development oc- this disorder usually have delayed intellectual curred during the first year of life. However, by age 2 years, and motor development, and often die within the patient had not developed speech, exhibited autistic the first decade of life. Computed tomographic behavior, and performed motor tasks poorly. Physical ex- (CT) findings have been reported in a few cases amination findings included coarsened facial features, nar- (1, 2). -
Program Download
5TH GLYCOPROTEINOSES INTERNATIONAL CONFERENCE ROME, ITALY NOVEMBER 1-4 2017 EMBRACING INNOVATION ADVANCING THE CURE ISMRD would like to say a very special thank you to the following organizations and companies who have very generously given donations to support the 5th International Conference on Glycoproteinoses. THE WAGNER FOUNDATION ISMRD is very grateful for all the help and support that Symposia has given us in the organization of our Conference on-the-ground support in Rome. Dedicated to helping patients in the rare disease community with unmet medical needs Ultragenyx Pharmaceutical Inc. is a clinical-stage biopharmaceutical company committed to creating new therapeutics to combat serious, debilitating diseases. www.ultragenyx.com © 2017 Ultragenyx Pharmaceutical Inc. www.ultragenyx.com 8/16 MRCP-UGNX-00008 5TH GLYCOPROTEINOSES INTERNATIONAL CONFERENCE 2017 Welcome to Rome! On behalf of ISMRD, I would like to welcome Of course, our conference would not take you all to the Fifth Glycoproteinoses place without significant charitable donations. International Conference on 'Embracing I would like to thank the following companies Innovation and Advancing the Cure'. and foundations, Ultragenyx, EveryLife Foundation, Sanofi/Genzyme, Amicus and The ISMRD is thrilled to bring our International Wagner Foundation. I would also like to extend Conference to Europe allowing us to connect our very grateful thanks to Symposia who are with families, researchers, clinicians, support event planners, who have worked alongside us groups and others who work in the field of rare here in Rome and have helped you check in at diseases. But, more importantly to help make registration. They will be on site throughout the the invaluable connections for families who meeting offering support and answering any perhaps have never met another family with questions you may have. -
Childhood Dementia Initiative
Childhood Dementia in Australia: quantifying the burden on patients, carers, the healthcare system and our society Prepared by: Dominic Tilden, Madeline Valeri and Magda Ellis THEMA Consulting Pty Ltd www.thema.net Prepared for: Childhood Dementia Initiative www.childhooddementia.org THEMA Consulting Report (2020). Childhood Dementia in Australia: quantifying the burden on patients, carers, the healthcare system and our society. www.childhooddementia.org/burdenstudy Released on the 18th November 2020 Sydney, Australia. © Childhood Dementia Initiative 2020 Website address for further details. www.childhooddementia.org KEY POINTS : Childhood dementia is a recognised, albeit little known group of disorders, comprised of more than 70 individual genetic conditions. : Childhooddementiadisordersareprogressiveanddevastatinginnatureandposeasignificantlycomplex medicalchallenge,withpatientstypicallyrelyingonfulltimesupportivecareandextensivehealthcare services in the mid-later stages of the disease. : ThisstudydemonstratesforthefirsttimetheburdenassociatedwithchildhooddementiainAustralia, the tremendous negative impact it has on affected children, families and the community, and the resulting economic costs. : Effective therapeutic intervention remains an unmet clinical need for the vast majority of childhood dementia disorders. : It is estimated that the collective incidence of disorders that cause childhood dementia is 36 per 100,000 live births. This equates to 129 births in Australia each year. : In 2021, it is estimated there will be 2273 Australians -
Geting Processes
Translational Science of Rare Diseases 4 (2019) 133–157 133 DOI 10.3233/TRD-190047 IOS Press Practical management of lysosomal storage disorders (LSDs) Pranoot Tanpaiboona,b,∗ aAdvanced Diagnostics Genetics, Genomics and R&D, Quest Diagnostics, San Juan Capistrano, CA, USA bChildren’s National Rare Disease Institute, Michigan Ave NW, Washington, DC, USA Abstract. Lysosomal Storage Disorders (LSDs) comprise a group of disorders causing defects at the organelle and sub- organelle level with a wide range of pathophysiologies and clinical consequences. Signs and symptoms of LSDs involve multiple organ systems. The main pathological mechanism of most LSDs was previously thought to be cytotoxic effects of a specific storage substance secondary to functional impairment or insufficient lysosomal enzymes. Other pathophysiologic mechanisms of LSDs have been discovered such as dysfunction of cell signaling, disturbance of cell homeostasis, inflamma- tory process and dysfunction of autophagy. The goal of treatment is to balance equilibrium of the enzyme and the accumulated substance. Replacing deficient enzyme through exogenous enzyme replacement therapy (ERT) or stem cell transplantation has been the main method of treatment for several years. The ability of ERT to alleviate neurologic symptoms is limited owing to the inability of the exogenous enzyme to cross the blood-brain barrier. The benefit of stem cell transplantation on neurologic symptoms has been demonstrated for Hurler syndrome, but it is not clear for most LSDs. Other strategies, such as gene therapy, have been under development to overcome this limitation and provide a better outcome. Early treatment or pre-symptomatic treatment could also slow disease progression and improve prognosis. -
4Th Glycoproteinoses International Conference Advances in Pathogenesis and Therapy
Program & Abstracts 4TH GLYCOPROTEINOSES INTERNATIONAL CONFERENCE ADVANCES IN PATHOGENESIS AND THERAPY ISMRD ST. LOUIS, MISSOURI, UNITED STATES Program & Abstracts I SM R D ADVANCES IN PATHOGENESIS AND THERAPY Program & Abstracts ISMRD would like to say A Very Special Thank You to the following organizations and companies who have very generously given donations and sponsorship to support the 4th International Conference on Glycoproteinoses THE PRENILLE EDWARD MALLINCKRODT FOUNDATION JR FOUNDATION MARK HASKINS I SM R D 4TH GLYCOPROTEINOSES INTERNATIONAL CONFERENCE 2015 ADVANCES IN PATHOGENESIS AND THERAPY Program & Abstracts ISMRD is very proud to display 10 featured Expression of Hope artworks to be Auctioned at the Gala Dinner. These beautiful prints are from Genzyme’s featured Artwork selection. Contents Welcome 1 SCIENTIFIC COMMITTEE: Stuart Kornfeld ISMRD Mission & Governance 3 (Chair, Scientifi c Planning Committee) Steve Walkley Sara Cathey ISMRD General Information 5 Richard Steet Sean Thomas Ackley, Philippines Miriam Storchli, Switzerland Alessandra d’Azzo ‘Hope’ by Sarah Noble, New Zealand Scientifi c Program 9 FAMILY CONFERENCE COMMITTEE: Family Program for Mucolipidosis 11 Jenny Noble (Conference Organiser) Jackie James (Conference Organiser Family Program For Alpha Mannosidosis /Sialidosis/ 13 - St. Louis) Fucosidosis/Aspartylglucosaminuria Mark Stark John Forman ‘All around the world’ by Zih Yun Li , Taiwan Childrens Program 16 Susan Kester Carolyn Paisley-Dew Tish Adkins Abstracts 17 Sara DeAngelis, Russia Gayle Rose, United States Speaker Profi les 60 Delegates 81 Helen Walker, Australia Nicklas Harkins, Canada Naomi Arai, Japan David Wentworth, Serbia I SM R D 4TH GLYCOPROTEINOSES INTERNATIONAL CONFERENCE 2015 ADVANCES IN PATHOGENESIS AND THERAPY Program & Abstracts On behalf of the Scientifi c Planning Committee, I want to extend a warm welcome to all the investigators and Welcome! families who have traveled to St. -
DIAGNOSIS and THERAPIES for MUCOPOLYSACCHARIDOSES by Francyne Kubaski a Dissertation Submitted to the Faculty of the University
DIAGNOSIS AND THERAPIES FOR MUCOPOLYSACCHARIDOSES by Francyne Kubaski A dissertation submitted to the Faculty of the University of Delaware in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Biological Sciences Spring 2017 © 2017 Francyne Kubaski All Rights Reserved DIAGNOSIS AND THERAPIES FOR MUCOPOLYSACCHARIDOSES by Francyne Kubaski Approved: __________________________________________________________ Robin W. Morgan, Ph.D. Chair of the Department of Biological Sciences Approved: __________________________________________________________ George H. Watson, Ph.D. Dean of the College of Arts and Sciences Approved: __________________________________________________________ Ann L. Ardis, Ph.D. Senior Vice Provost for Graduate and Professional Education I certify that I have read this dissertation and that in my opinion it meets the academic and professional standard required by the University as a dissertation for the degree of Doctor of Philosophy. Signed: __________________________________________________________ Erica M. Selva, Ph.D. Professor in charge of dissertation I certify that I have read this dissertation and that in my opinion it meets the academic and professional standard required by the University as a dissertation for the degree of Doctor of Philosophy. Signed: __________________________________________________________ Shunji Tomatsu, Ph.D. Member of dissertation committee I certify that I have read this dissertation and that in my opinion it meets the academic and professional standard required by the University as a dissertation for the degree of Doctor of Philosophy. Signed: __________________________________________________________ Robert W. Mason, Ph.D. Member of dissertation committee I certify that I have read this dissertation and that in my opinion it meets the academic and professional standard required by the University as a dissertation for the degree of Doctor of Philosophy. -
International Conference
5TH GLYCOPROTEINOSES INTERNATIONAL CONFERENCE Rome, Italy November 1-4 2017 EMBRACING INNOVATION ADVANCING THE CURE PROGRAM & ABSTRACTS 5TH GLYCOPROTEINOSES INTERNATIONAL CONFERENCE ROME, ITALY NOVEMBER 1-4 2017 EMBRACING INNOVATION ADVANCING THE CURE ISMRD would like to say a very special thank you to the following organizations and companies who have very generously given donations to support the 5th International Conference on Glycoproteinoses. ISMRD is an internationally focused not-for-profi t organization whose mission is to advocate for families and patients aff ected by one of the following disorders. Alpha-Mannosidosis THE WAGNER FOUNDATION Aspartylglucosaminuria Beta-Mannosidosis Fucosidosis Galactosialidosis ISMRD is very grateful for all the help and support that Symposia has given us Sialidosis (Mucolipidosis I) in the organization of our Conference on-the-ground support in Rome. Mucolipidosis II, II/III, III alpha/beta Mucolipidosis III Gamma Schindler Disease EMBRACING INNOVATION ADVANCING THE CURE SCIENTIFIC COMMITTEE: Alessandra d’Azzo CHAIR Contents Amelia Morrone Italy Richard Steet USA Welcome 2 Heather Flanagan-Steet USA ISMRD Mission & Governance 4 Dag Malm Norway ISMRD General Information 6 Thomas Braulke Dedicated to helping patients Germany in the rare disease community Stuart Kornfeld with unmet medical needs Scientifi c Program 10 USA Ultragenyx Pharmaceutical Inc. is a clinical-stage Family Program 14 ISMRD CONFERENCE biopharmaceutical company committed to creating new COMMITTEE: therapeutics to combat serious, -
Mucolipidosis Type I)
endothelial keratoplasty in 200 eyes: early chal- A lenges and techniques to enhance donor adherence. J Cataract Refract Surg. 2006;32(3): 411-418. 4. Culbertson WW. Descemet stripping endothe- lial keratoplasy. Int Ophthalmol Clin. 2006;46 (3):155-168. 5. Ellis DR, Cohen KL. Sulfur hexafluoride gas in the repair of Descemet’s membrane detachment. Cornea. 1995;14(4):436-437. 6. Sorenson A. DSEK prolene pull. http://www .newmediamedicine.com/videos/2007/01/17 /dsek-prolene-pull-andrew-sorenson-md/. Ac- cessed March 18, 2007. Cherry Red Spot in Sialidosis (Mucolipidosis Type I) The differential diagnosis of a cherry red spot in the macula includes cen- tral retinal artery occlusion and metabolic storage diseases such as B Tay-Sachs disease, Sandhoff dis- ease, Niemann-Pick disease, Fabry disease, Gaucher disease, and siali- dosis. We report a case of an ado- lescent who, at a routine ophthal- mic examination, was found to have a cherry red spot in the maculae of both eyes. Laboratory investigation results showed that the patient had mucolipidosis type I, which is a rare lysosomal storage disease with clini- cal and histologic findings similar to C the mucopolysaccharidoses and the sphingolipidoses. Report of a Case. A 14-year-old white boy complained of difficulty seeing the blackboard at school. A screen- ing eye examination found de- creased distance vision in both eyes. He was of normal intelligence and his medical history was significant only Figure 3. Slitlamp photograph of case 3 at postoperative month 1 shows a clear cornea (A), and on for scoliosis and seasonal allergies. -
Early Clinical Signs in Lysosomal Diseases
Rare Diseases Meeting Proceedings Early clinical signs in lysosomal diseases Camelia Alkhzouz1,2, Diana Miclea1,2, Simona Bucerzan1,2, Cecilia Lazea1,2, Ioana Nascu2, Paula Grigorescu Sido2 1) Iuliu Hatieganu University of Abstract Medicine and Pharmacy, Cluj-Napoca, Background and aim. The lysosomal storage diseases are a group of monogenic Romania diseases with multisystemic impairment and chronic progression induced by the 2) Center of Expertise for Rare deficiency of lysosomal acid hydrolases involved in the breakdown of various Diseases Lysosomal Diseases, Clinical macromolecules. The accumulation occurs in the macrophages of the reticule- Emergency Hospital for Children, Cluj, endothelial system and causes enlargement and functional impairment. The mainly Romania involved organs are the brain, liver, spleen, bones, joints, airways, lungs, and heart. The aim of this study was to evaluate early symptoms, signs and the delay in the diagnosis of different lysosomal diseases. Methods. The medical documentation of 188 patients with lysosomal storage disorders, aged 1-70 years, were analyzed. All these patients were specifically diagnosed, by enzyme and molecular assay. Results. The age of clinical signs onset varies in different type of lysosomal diseases, from the first months of life or early childhood in severe form, to adulthood in attenuated forms. The delay between the clinical signs onset and specific diagnosis ranged from 0.5 months to 57.91 years. Conclusions. The lysosomal storage diseases are rare diseases with childhood onset, -
Childhood Dementia Initiative
the case for urgent action “Childhood dementia. The fact that these two words go together is appalling. We need to recognise this as a serious and urgent issue and fix it.” Sean Murray, Director, Childhood Dementia Initiative Childhood Dementia Initiative (2020). Childhood Dementia: the case for urgent action. www.childhooddementia.org/whitepaper Released on the 18th November 2020 Sydney, Australia. © Childhood Dementia Initiative 2020 Website address for further details. www.childhooddementia.org 3 Today, there are an estimated 700,000 children and young people living with dementia worldwide. Their short lives will be shaped by progressive brain damage, social isolation, pain and suffering. Many will not live into adulthood, some will die in their infant years. With less than 5% of all identified conditions that lead to childhood dementia having a treatment, it is time to transform the way we approach therapy development and management of these disorders. Children are dying, we need to act; fast. In 2013, following the shock diagnosis of both of my children with Sanfilippo Syndrome, a condition that causes childhood dementia, I started the Sanfilippo Children’s Foundation. In the 7 years that followed, we raised over $9 million towards our cause and transformed funding and management of Sanfilippo research in Australia; the work of the Foundation continues. But during this time I was continuously and consistently dismayed watching small, often family-run foundations around the world all struggling to raise funds and drive research. Researchers, although well-intentioned, were also severely underfunded, and incentives or imperatives for research to be undertaken across multiple disorders with similar presentation were non-existent. -
A Case of Type I Sialidosis with Osteonecrosis Revealing a New
Original Article Journal of Inborn Errors of Metabolism &Screening 1–3 A Case of Type I Sialidosis With ª The Author(s) 2014 Reprints and permission: Osteonecrosis Revealing a New sagepub.com/journalsPermissions.nav DOI: 10.1177/2326409814543468 Mutation in NEU1 iem.sagepub.com Geoffrey Urbanski1,2, Soumeya Bekri3, Magalie Barth2,4, Christophe Verny4, and Christian Lavigne1,2 Abstract Sialidosis is a rare lysosomal storage disease. The 2 forms described are as follows: the early-onset form, or type II, presents with dysostosis multiplex, while the late-onset form, or type I, does not involve bone in the literature. We report the case of a 42-year- old woman with type I sialidosis who presents with osteonecrosis of both humeral and femoral heads. Molecular study reveals a never listed mutation of NEU1 in exon 5, p.Gly273Asp (c.818G>A), and a second known missense mutation. Keywords sialidosis, bone involvement, NEU1 Introduction developed, at the age of 18 years, a rapidly progressive severe bilateral visual defect leading to blindness. At that time, the Sialidosis (Online Mendelian Inheritance in Man [OMIM] ophthalmologic examination revealed bilateral cherry red spot 256550) is a rare lysosomal storage disease,1 with an estimated in the macula, evolving to macular and optic atrophy associated incidence of 1 in 4 200 000 live births, and it belongs to the group with bilateral cataract. At the age of 32 years, she developed of oligosaccharidoses. Sialidosis is caused by to the recessively myoclonus and epilepsy as grand mal seizure. Myoclonus inherited deficiency of N-acetyl-a-neuraminidase, an acid affected all 4 limbs, but prevailed in the upper limbs, and hydrolase expressed from the gene NEU1, which is located in increased with menstrual cycle and anxiety. -
The Lysosomal Sialic Acid Transporter Sialin Is Required for Normal CNS Myelination
The Journal of Neuroscience, December 9, 2009 • 29(49):15355–15365 • 15355 Neurobiology of Disease The Lysosomal Sialic Acid Transporter Sialin Is Required for Normal CNS Myelination Laura M. Prolo,1 Hannes Vogel,2 and Richard J. Reimer1 1Department of Neurology and Neurological Sciences and Graduate Program in Neuroscience and 2Departments of Pathology and Pediatrics, Stanford University School of Medicine, Stanford, California 94305 Salla disease and infantile sialic acid storage disease are autosomal recessive lysosomal storage disorders caused by mutations in the gene encoding sialin, a membrane protein that transports free sialic acid out of the lysosome after it is cleaved from sialoglycoconjugates undergoing degradation. Accumulation of sialic acid in lysosomes defines these disorders, and the clinical phenotype is characterized by neurodevelopmental defects, including severe CNS hypomyelination. In this study, we used a sialin-deficient mouse to address how loss of sialin leads to the defect in myelination. Behavioral analysis of the sialin ؊/؊ mouse demonstrates poor coordination, seizures, and premature death. Analysis by histology, electron microscopy, and Western blotting reveals a decrease in myelination of the CNS but normal neuronal cytoarchitecture and normal myelination of the PNS. To investigate potential mechanisms underlying CNS hypomyeli- nation, we studied myelination and oligodendrocyte development in optic nerves. We found reduced numbers of myelinated axons in optic nerves from sialin ؊/؊ mice, but the myelin that was present appeared grossly normal. Migration and density of oligodendrocyte precursorcellswerenormal;however,amarkeddecreaseinthenumberofpostmitoticoligodendrocytesandanassociatedincreaseinthe number of apoptotic cells during the later stages of myelinogenesis were observed. These findings suggest that a defect in maturation of cells in the oligodendrocyte lineage leads to increased apoptosis and underlies the myelination defect associated with sialin loss.