The juvenile gangliosidoses: A timeline of clinical change

Background: The gangliosidoses are rare inherited diseases that result in pathologic accumulation of gangliosides in the central nervous system and other tissues, leading to severe and progressive neurological impairment and early death in the childhood forms. No treatments are currently approved fo...

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Main Authors: Kelly E. King, Sarah Kim, Chester B. Whitley, Jeanine R. Jarnes-Utz
Format: Article
Language:English
Published: Elsevier 2020-12-01
Series:Molecular Genetics and Metabolism Reports
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214426920301221
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author Kelly E. King
Sarah Kim
Chester B. Whitley
Jeanine R. Jarnes-Utz
author_facet Kelly E. King
Sarah Kim
Chester B. Whitley
Jeanine R. Jarnes-Utz
author_sort Kelly E. King
collection DOAJ
description Background: The gangliosidoses are rare inherited diseases that result in pathologic accumulation of gangliosides in the central nervous system and other tissues, leading to severe and progressive neurological impairment and early death in the childhood forms. No treatments are currently approved for the gangliosidoses, and development of treatments is impaired by limited understanding of the natural history of these diseases. Objective: The objective of this study is to improve understanding of the juvenile gangliosidoses phenotypes and the late-infantile phenotypic subtype. Methods: Through a prospective natural history study of subjects with juvenile GM1- and GM2-gangliosidosis, a timeline of clinical changes was developed for the classic juvenile phenotypes and the late-infantile phenotypes and results of serial neurodevelopmental testing was analyzed. Results: Several candidate ‘outcome measures’ were identified: changes in ambulation and verbalization skills, the communication domain from neurodevelopmental testing and the caregiver-reported socialization domain. Conclusions: The most common symptoms leading caregivers to seek a genetic diagnosis were changes in ambulation and verbalization.
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spelling doaj.art-e306b9a94ee64abb8754254838b58a212022-12-21T23:15:56ZengElsevierMolecular Genetics and Metabolism Reports2214-42692020-12-0125100676The juvenile gangliosidoses: A timeline of clinical changeKelly E. King0Sarah Kim1Chester B. Whitley2Jeanine R. Jarnes-Utz3Department of Pediatrics, University of Minnesota, 2450 Riverside Avenue, Minneapolis, MN 55454-1450, USADepartment of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, 420 Delaware St SE, MMC 446, Minneapolis, MN 55455-0341, USA; Advanced Therapies Program, University of Minnesota (UMMC) and Fairview Hospitals, Minneapolis, MN 55454, USADepartment of Pediatrics, University of Minnesota, 2450 Riverside Avenue, Minneapolis, MN 55454-1450, USA; Gene Therapy Center, University of Minnesota, 420 Delaware St SE, MMC 391, Minneapolis, MN 55455-0341, USA; Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, 420 Delaware St SE, MMC 446, Minneapolis, MN 55455-0341, USA; Advanced Therapies Program, University of Minnesota (UMMC) and Fairview Hospitals, Minneapolis, MN 55454, USADepartment of Pediatrics, University of Minnesota, 2450 Riverside Avenue, Minneapolis, MN 55454-1450, USA; Gene Therapy Center, University of Minnesota, 420 Delaware St SE, MMC 391, Minneapolis, MN 55455-0341, USA; Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, 420 Delaware St SE, MMC 446, Minneapolis, MN 55455-0341, USA; Advanced Therapies Program, University of Minnesota (UMMC) and Fairview Hospitals, Minneapolis, MN 55454, USA; Corresponding author at: Department of Pediatrics, University of Minnesota, 2450 Riverside Avenue, Minneapolis, MN 55454-1450, USA.Background: The gangliosidoses are rare inherited diseases that result in pathologic accumulation of gangliosides in the central nervous system and other tissues, leading to severe and progressive neurological impairment and early death in the childhood forms. No treatments are currently approved for the gangliosidoses, and development of treatments is impaired by limited understanding of the natural history of these diseases. Objective: The objective of this study is to improve understanding of the juvenile gangliosidoses phenotypes and the late-infantile phenotypic subtype. Methods: Through a prospective natural history study of subjects with juvenile GM1- and GM2-gangliosidosis, a timeline of clinical changes was developed for the classic juvenile phenotypes and the late-infantile phenotypes and results of serial neurodevelopmental testing was analyzed. Results: Several candidate ‘outcome measures’ were identified: changes in ambulation and verbalization skills, the communication domain from neurodevelopmental testing and the caregiver-reported socialization domain. Conclusions: The most common symptoms leading caregivers to seek a genetic diagnosis were changes in ambulation and verbalization.http://www.sciencedirect.com/science/article/pii/S2214426920301221GM1-gangliosidosisTay-Sachs diseaseDisease progressionChildAdolescentInherited metabolic diseases
spellingShingle Kelly E. King
Sarah Kim
Chester B. Whitley
Jeanine R. Jarnes-Utz
The juvenile gangliosidoses: A timeline of clinical change
Molecular Genetics and Metabolism Reports
GM1-gangliosidosis
Tay-Sachs disease
Disease progression
Child
Adolescent
Inherited metabolic diseases
title The juvenile gangliosidoses: A timeline of clinical change
title_full The juvenile gangliosidoses: A timeline of clinical change
title_fullStr The juvenile gangliosidoses: A timeline of clinical change
title_full_unstemmed The juvenile gangliosidoses: A timeline of clinical change
title_short The juvenile gangliosidoses: A timeline of clinical change
title_sort juvenile gangliosidoses a timeline of clinical change
topic GM1-gangliosidosis
Tay-Sachs disease
Disease progression
Child
Adolescent
Inherited metabolic diseases
url http://www.sciencedirect.com/science/article/pii/S2214426920301221
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