Raras
Buscar doenças, sintomas, genes...
Gangliosidose GM2
ORPHA:309152CID-10 · E75.0CID-11 · 5C56.00DOENÇA RARA

Um grupo de doenças genéticas herdadas (passadas de pais para filhos), que só aparecem quando a pessoa recebe um gene alterado de cada um dos pais. Elas são caracterizadas pelo acúmulo de uma substância gordurosa, o gangliosídeo G(M2), dentro dos lisossomos (que são como as "lixeiras" das células) das células nervosas (os neurônios). Existem diferentes tipos que são causados por alterações (mutações) em enzimas (proteínas que ajudam a quebrar substâncias) do sistema beta-N-acetil-hexosaminidases ou na proteína ativadora G(M2). Essas alterações impedem a quebra normal dos gangliosídeos, que são um tipo de gordura complexa da família dos glicosfingolipídios ácidos.

Mantido por Agente Raras·Colaborar como especialista →

Introdução

O que você precisa saber de cara

📋

Um grupo de doenças genéticas herdadas (passadas de pais para filhos), que só aparecem quando a pessoa recebe um gene alterado de cada um dos pais. Elas são caracterizadas pelo acúmulo de uma substância gordurosa, o gangliosídeo G(M2), dentro dos lisossomos (que são como as "lixeiras" das células) das células nervosas (os neurônios). Existem diferentes tipos que são causados por alterações (mutações) em enzimas (proteínas que ajudam a quebrar substâncias) do sistema beta-N-acetil-hexosaminidases ou na proteína ativadora G(M2). Essas alterações impedem a quebra normal dos gangliosídeos, que são um tipo de gordura complexa da família dos glicosfingolipídios ácidos.

Pesquisas ativas
9 ensaios
36 total registrados no ClinicalTrials.gov
Publicações científicas
593 artigos
Último publicado: 2026 Mar 31
Medicamentos
3 registrados
MIGLUSTAT, VENGLUSTAT, TRENONACOG ALFA

Tem tratamento?

3 medicamentos registrados
Ver detalhes, fases e interações →
MIGLUSTATVENGLUSTATTRENONACOG ALFA

Escala de raridade

CLASSIFICAÇÃO ORPHANET · BRASIL 2024
1-9 / 100 000
Ultra-rara
<1/50k
Muito rara
1/20k
Rara
1/10k
Pouco freq.
1/5k
Incomum
1/2k
Prevalência
5.0
Europe
🏥
SUS: Cobertura mínimaScore: 15%
CID-10: E75.0
🇧🇷Dados SUS / DATASUS
PROCEDIMENTOS SIGTAP (6)
0202010279
Dosagem de aminoácidos (erros inatos)metabolic_test
0202010295
Dosagem de ácidos orgânicos na urinagenetic_test
0202010490
Teste de triagem para erros inatos do metabolismonewborn_screening
0202010694
Sequenciamento completo do exoma (WES)rehabilitation
0202080013
Teste do pezinho (triagem neonatal)
0301070040
Atendimento em reabilitação — doenças raras
Você se identifica com essa condição?
O Raras está aqui pra te apoiar — com ou sem diagnóstico

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Entender a doença

Do básico ao detalhe, leia no seu ritmo

Preparando trilha educativa...

Sinais e sintomas

O que aparece no corpo e com que frequência cada sintoma acontece

Partes do corpo afetadas

🧠
Neurológico
43 sintomas
💪
Músculos
17 sintomas
🫃
Digestivo
8 sintomas
❤️
Coração
6 sintomas
🦴
Ossos e articulações
6 sintomas
👁️
Olhos
5 sintomas

+ 58 sintomas em outras categorias

Características mais comuns

Atividade reduzida da beta-hexosaminidase
Rigidez de descerebração
Aumento da beta-hexosaminidase sérica
Mania
Fraqueza dos flexores do quadril
Déficit motor funcional
157sintomas
Sem dados (157)

Os sintomas variam de pessoa para pessoa. Abaixo estão as 157 características clínicas mais associadas, ordenadas por frequência.

Atividade reduzida da beta-hexosaminidaseReduced beta-hexosaminidase activity
Rigidez de descerebraçãoDecerebrate rigidity
Aumento da beta-hexosaminidase séricaIncreased serum beta-hexosaminidase
Mania
Fraqueza dos flexores do quadrilHip flexor weakness

Linha do tempo da pesquisa

Publicações por ano — veja quando o interesse científico cresceu
Anos de pesquisa1desde 2026
Total histórico593PubMed
Últimos 10 anos174publicações
Pico202526 papers
Linha do tempo
2026Hoje · 2026🧪 1995Primeiro ensaio clínico📈 2025Ano de pico
Publicações por ano (últimos 10 anos)

Encontrou um erro ou informação desatualizada? Sugira uma correção →

Genética e causas

O que está alterado no DNA e como passa nas famílias

Genes associados

3 genes identificados com associação a esta condição.

HEXABeta-hexosaminidase subunit alphaDisease-causing germline mutation(s) inTolerante
FUNÇÃO

Hydrolyzes the non-reducing end N-acetyl-D-hexosamine and/or sulfated N-acetyl-D-hexosamine of glycoconjugates, such as the oligosaccharide moieties from proteins and neutral glycolipids, or from certain mucopolysaccharides (PubMed:11707436, PubMed:8123671, PubMed:8672428, PubMed:9694901). The isozyme S is as active as the isozyme A on the anionic bis-sulfated glycans, the chondroitin-6-sulfate trisaccharide (C6S-3), and the dermatan sulfate pentasaccharide, and the sulfated glycosphingolipid SM

LOCALIZAÇÃO

Lysosome

VIAS BIOLÓGICAS (1)
Defective HEXA causes GM2G1 (Hyaluronan metabolism)
MECANISMO DE DOENÇA

GM2-gangliosidosis 1

An autosomal recessive lysosomal storage disease marked by the accumulation of GM2 gangliosides in the neuronal cells. It is characterized by GM2 gangliosides accumulation in the absence of HEXA activity, leading to neurodegeneration and, in the infantile form, death in early childhood. It exists in several forms: infantile (most common and most severe), juvenile and adult (late-onset).

EXPRESSÃO TECIDUAL(Ubíquo)
Tireoide
43.9 TPM
Fibroblastos
39.7 TPM
Cervix Endocervix
36.7 TPM
Aorta
36.0 TPM
Pulmão
34.0 TPM
OUTRAS DOENÇAS (4)
Tay-Sachs diseaseTay-Sachs disease, b variant, infantile formTay-Sachs disease, B variant, adult formTay-Sachs disease, b variant, juvenile form
HGNC:4878UniProt:P06865
HEXBBeta-hexosaminidase subunit betaDisease-causing germline mutation(s) inTolerante
FUNÇÃO

Hydrolyzes the non-reducing end N-acetyl-D-hexosamine and/or sulfated N-acetyl-D-hexosamine of glycoconjugates, such as the oligosaccharide moieties from proteins and neutral glycolipids, or from certain mucopolysaccharides (PubMed:11707436, PubMed:8123671, PubMed:8672428, PubMed:9694901). The isozyme B does not hydrolyze each of these substrates, however hydrolyzes efficiently neutral oligosaccharide (PubMed:11707436). Only the isozyme A is responsible for the degradation of GM2 gangliosides in

LOCALIZAÇÃO

LysosomeCytoplasmic vesicle, secretory vesicle, Cortical granule

VIAS BIOLÓGICAS (1)
Defective HEXB causes GM2G2 (Hyaluronan metabolism)
MECANISMO DE DOENÇA

GM2-gangliosidosis 2

An autosomal recessive lysosomal storage disease marked by the accumulation of GM2 gangliosides in the neuronal cells. Clinically indistinguishable from GM2-gangliosidosis type 1, presenting startle reactions, early blindness, progressive motor and mental deterioration, macrocephaly and cherry-red spots on the macula.

EXPRESSÃO TECIDUAL(Ubíquo)
Fibroblastos
137.7 TPM
Aorta
121.2 TPM
Cervix Endocervix
116.9 TPM
Cervix Ectocervix
109.4 TPM
Glândula salivar
107.6 TPM
OUTRAS DOENÇAS (4)
Sandhoff diseaseSandhoff disease, adult formSandhoff disease, infantile formSandhoff disease, juvenile form
HGNC:4879UniProt:P07686
GM2AGanglioside GM2 activatorDisease-causing germline mutation(s) inTolerante
FUNÇÃO

The large binding pocket can accommodate several single chain phospholipids and fatty acids, GM2A also exhibits some calcium-independent phospholipase activity (By similarity). Binds gangliosides and stimulates ganglioside GM2 degradation. It stimulates only the breakdown of ganglioside GM2 and glycolipid GA2 by beta-hexosaminidase A. It extracts single GM2 molecules from membranes and presents them in soluble form to beta-hexosaminidase A for cleavage of N-acetyl-D-galactosamine and conversion

LOCALIZAÇÃO

Lysosome

VIAS BIOLÓGICAS (1)
Glycosphingolipid catabolism
MECANISMO DE DOENÇA

GM2-gangliosidosis AB

An autosomal recessive lysosomal storage disease marked by the accumulation of GM2 gangliosides in the neuronal cells. It is characterized by GM2 gangliosides accumulation in the presence of both normal hexosaminidase A and B.

EXPRESSÃO TECIDUAL(Ubíquo)
Linfócitos
105.2 TPM
Vagina
90.7 TPM
Skin Not Sun Exposed Suprapubic
85.3 TPM
Skin Sun Exposed Lower leg
78.9 TPM
Esôfago - Mucosa
77.5 TPM
INTERAÇÕES PROTEICAS (5)
OUTRAS DOENÇAS (1)
Tay-Sachs disease AB variant
HGNC:4367UniProt:P17900

Medicamentos e terapias

MIGLUSTATPhase 3

Mecanismo: Ceramide glucosyltransferase inhibitor

VENGLUSTATPhase 3

Mecanismo: Ceramide glucosyltransferase inhibitor

TRENONACOG ALFAPhase 2

Mecanismo: Coagulation factor IX exogenous protein

Ver mais no OpenTargets

Variantes genéticas (ClinVar)

1,561 variantes patogênicas registradas no ClinVar.

🧬 HEXA: NM_000520.6(HEXA):c.457A>G (p.Thr153Ala) ()
🧬 HEXA: NM_000520.6(HEXA):c.1559G>C (p.Gly520Ala) ()
🧬 HEXA: NM_000520.6(HEXA):c.1382G>A (p.Gly461Glu) ()
🧬 HEXA: NM_000520.6(HEXA):c.1422-4C>G ()
🧬 HEXA: NM_000520.6(HEXA):c.347-10G>A ()
Ver todas no ClinVar

Classificação de variantes (ClinVar)

Distribuição de 7 variantes classificadas pelo ClinVar.

7
Patogênica (100.0%)
VARIANTES MAIS SIGNIFICATIVAS
HEXA: NM_000520.6(HEXA):c.806-7G>A [Conflicting classifications of pathogenicity]
HEXA: NM_000520.6(HEXA):c.987G>A (p.Trp329Ter) [Likely pathogenic]
HEXA: NM_000520.6(HEXA):c.1495C>T (p.Arg499Cys) [Pathogenic]
HEXA: NM_000520.6(HEXA):c.1510C>T (p.Arg504Cys) [Pathogenic/Likely pathogenic]
HEXA: NM_000520.6(HEXA):c.1496G>A (p.Arg499His) [Pathogenic]

Diagnóstico

Os sinais que médicos procuram e os exames que confirmam

Carregando...

Tratamento e manejo

Remédios, cuidados de apoio e o que precisa acompanhar

Pipeline de tratamentos
Pipeline regulatório — de medicamentos já aprovados a drogas em pesquisa exploratória.
3Fase 36
2Fase 26
·Pré-clínico9
Medicamentos catalogadosEnsaios clínicos· 3 medicamentos · 18 ensaios
Carregando informações de tratamento...

Onde tratar no SUS

Hospitais de referência no Brasil e o protocolo oficial do SUS (PCDT)

🇧🇷 Atendimento SUS — Gangliosidose GM2

🗺️

Selecione um estado ou use sua localização para ver resultados.

Dados de DATASUS/CNES, SBGM, ABNeuro e Ministério da Saúde. Sempre confirme a disponibilidade diretamente com o estabelecimento.

Pesquisa ativa

Ensaios clínicos abertos e novidades científicas recentes

🟢 Recrutando agora

6 pesquisas recrutando participantes. Converse com seu médico sobre a possibilidade de participar.

Outros ensaios clínicos

36 ensaios clínicos encontrados, 9 ativos.

Distribuição por fase
Ver todos no ClinicalTrials.gov
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Publicações mais relevantes

Timeline de publicações
166 papers (10 anos)
#1

Therapeutic Effects of Nizubaglustat in a Mouse Model of GM2 Gangliosidosis.

Journal of inherited metabolic disease2026 Jan

Nizubaglustat is a novel selective inhibitor of glucosylceramide synthase (GCS) and the non-lysosomal glucocerebrosidase (NLGase, GbA2) with brain penetrant properties. It is currently in clinical development as an oral treatment for rare lysosomal storage diseases with neurological involvement. One such disease group called GM2 gangliosidosis, to date, has no approved therapeutic treatment. To test the potential efficacy of nizubaglustat in a mouse model of GM2 gangliosidoses, we treated Sandhoff disease (SD) mice carrying a homozygous null mutation in the Hexb gene, as well as healthy heterozygous controls, to understand exposure versus effect under disease conditions. Oral doses of nizubaglustat from 0.2 to 6 mg/kg/day showed linear pharmacokinetics with plasma and brain concentrations sufficient to drive pharmacodynamic changes in markers of target engagement and efficacy. In the brain, an approximately 10-fold increase in GlcCer C16:0 and C18:0 was observed, which is consistent with NLGase inhibition. A statistically significant increase in survival (22%) was noted in SD mice treated at doses as low as 0.2 mg/kg/day compared to controls. Behavioral analyses, which included rotarod and open field tests, were also significantly improved. To understand the added potential mechanism of the improved survival, a subset of neuroinflammatory markers was also examined in specific brain regions. Gene expression studies showed an anti-inflammatory pattern with downregulation of Itgax, Trem2, Cxcl10 genes as an example. Brain immunohistochemistry for GFAP was decreased compared to vehicle treated control animals. These results provide proof-of-concept that nizubaglustat can be a promising therapeutic drug to treat patients with GM2 gangliosidoses.

#2

First Reported Case of CLN5 Disease in Japan: Identification of a Novel Homozygous Pathogenic Variant Through Whole Genome Sequencing.

Clinical case reports2026 Jan

Neuronal ceroid lipofuscinoses (NCL) belong to a group of inherited neurodegenerative diseases characterized by psychomotor regression, seizures, and visual impairment, resulting from intracellular accumulation of lipofuscin. CLN5, a subtype typically manifesting between ages 4 to 17, is particularly rare in non-Finnish populations. Here, we report the first Japanese case of CLN5 in a 12-year-old girl with progressive myoclonic epilepsy and psychomotor regression. Initial assessments for common metabolic disorders, including GM2 gangliosidosis, were inconclusive. Trio-based genome sequencing (GS) identified a novel homozygous pathogenic variant in CLN5, confirming the diagnosis at 10 years and 6 months of age. Subsequent evaluations revealed progressive cerebral and cerebellar atrophy and vision loss. This case underscores the importance of GS in diagnosing rare neurodegenerative diseases and highlights the clinical spectrum of CLN5, which presents with rapid neurological decline. Expanding diagnostic frameworks with genetic testing is critical for early diagnosis and potential therapeutic interventions in CLN5 and related NCL disorders.

#3

New multiplex LC-MS/MS method for lipid biomarker analysis of inherited neurodegenerative metabolic diseases.

Journal of lipid research2026 Jan

A significant number of inherited neurodegenerative metabolic diseases (NMDs) arise from altered lipid metabolism, including impaired degradation of sphingolipids and dysfunction in organelle-related machineries involved in lipid processing and trafficking. These lipid dysregulations profoundly impact cellular membranes, signaling pathways, and myelin integrity, contributing to the complex and multisystemic clinical phenotypes characteristic of NMD, which often complicate diagnosis and delay treatment initiation. Here, we present a high-throughput, multiplex LC-MS/MS method for the analysis of an extended panel of NMD biomarkers in plasma and dried blood spots. One-step sample extraction and targeted LC-MS/MS acquisitions in positive and negative ionization allowed the simultaneous measurement of 13 diagnostic biomarkers associated with GM1 and GM2 gangliosidosis, Fabry, Gaucher, and Krabbe diseases, acid sphingomyelinase deficiency, Niemann-Pick disease type C, X-linked adrenoleukodystrophy, peroxisomal biogenesis disorders (Zellweger syndrome), metachromatic leukodystrophy, and mental retardation, enteropathy, deafness, neuropathy, ichthyosis, keratoderma (MEDNIK)/MEDNIK-like syndromes, a disorder of cellular trafficking. The method was analytically and clinically validated, confirming the diagnosis of all targeted NMDs in samples from 89 patients. Additionally, the method allowed the differentiation of X-linked adrenoleukodystrophy from peroxisomal biogenesis disorder and revealed the elevation of C18- and C16-sulfatides in Krabbe disease and MEDNIK syndrome, respectively. This multiplex assay enhances diagnostic efficiency and expands the discovery of novel biomarkers, enabling the quantification of diagnostic markers for a wide range of NMDs. The method is suitable for diagnosis of NMD, as a first- or second-tier test in neonatal screening, as confirmatory testing of variant of unknown significance in genetic panels and for longitudinal monitoring in treatable diseases.

#4

Correction to 'A novel HEXA frameshift mutation identified in Angus cattle with GM2 gangliosidosis'.

Animal genetics2026 Feb
#5

Similarities and Differences in the Late-Onset GM2 Gangliosidoses: Tay-Sachs and Sandhoff Diseases.

medRxiv : the preprint server for health sciences2025 Aug 08

The two predominating subtypes of late-onset GM2 gangliosidosis are late-onset Tay-Sachs (LOTS) and late-onset Sandhoff disease (LOSD). Due to shared deficiencies of ß-hexosamindase A and significant clinical overlap, the two diseases have been considered indistinguishable. However, a growing body of evidence supports the notion of several distinctions between the two diseases. In this study, we highlight these distinctions through the cross-sectional evaluation of 27 late-onset GM2 gangliosidosis participants. Twenty-one participants with LOTS and 6 with LOSD were included in this study. We performed physical examinations alongside assessments for gait, balance, muscle strength, ataxia, nerve conduction velocities, and analyzed brain magnetic resonance imaging. Lower limb weakness (95% in LOTS, 100% in LOSD) and later development of upper limb weakness (90% in LOTS, 83% in LOSD) was highly prevalent in both cohorts. Accompanying gait disturbances, balance issues, and dysmetria (as assessed by the brief ataxia rating scale [BARS]) were also prevalent in both cohorts. Strength testing for the quadriceps and hamstrings demonstrated weakness in both cohorts, primarily impacting extensor muscles. Supratentorial gray and white matter volumes in both cohorts were similar to normative data. In contrast, BARS scores for dysarthria and oculomotor dysfunction were present and heterogenous in LOTS participants and absent in LOSD participants. 24% of LOTS participants and none of the LOSD participants had a history of neuropsychiatric symptoms. Cerebellar volume including lobules V and VI were lower in LOTS compared to LOSD and normative data. However, length dependent sensory neuropathy was present in all LOSD participants but absent in LOTS participants. Dysfunction of the posterior cerebellum (lobules VI, VII, and IX) has been shown to cause cerebellar cognitive affective syndrome (CCAS), that includes cognitive and behavioral disturbances. Furthermore, cerebellar dysfunction of lobules V and VI has been linked to dysarthric speech, and dysfunction of the posterior cerebellum has been linked to oculomotor symptoms. The finding of low cerebellar lobule volumes in LOTS, suggests the distinctive features of the LOTS phenotype are related to cerebellar dysfunction. However, the sensory symptoms unique to LOSD remains a mystery. The molecular and biochemical basis for the dichotomy between the LOTS and LOSD phenotypes requires further investigation.

Publicações recentes

Ver todas no PubMed

📚 EuropePMC315 artigos no totalmostrando 170

2025

Symptomatic Benefit of Acetyl-DL-Leucine for Cerebellar Ataxia in Juvenile Tay-Sachs Disease: A Pediatric Case and Literature Review.

Molecular syndromology
2026

Therapeutic Effects of Nizubaglustat in a Mouse Model of GM2 Gangliosidosis.

Journal of inherited metabolic disease
2026

First Reported Case of CLN5 Disease in Japan: Identification of a Novel Homozygous Pathogenic Variant Through Whole Genome Sequencing.

Clinical case reports
2026

New multiplex LC-MS/MS method for lipid biomarker analysis of inherited neurodegenerative metabolic diseases.

Journal of lipid research
2025

3D bioprinted neural scaffolds: a transformative avenue for GM2 gangliosidosis therapy.

Annals of medicine and surgery (2012)
2025

A novel HEXA frameshift mutation identified in Angus cattle with GM2 gangliosidosis.

Animal genetics
2025

GM2 Gangliosidosis AB Variant: A Hidden Truth.

Cureus
2025

Similarities and Differences in the Late-Onset GM2 Gangliosidoses: Tay-Sachs and Sandhoff Diseases.

medRxiv : the preprint server for health sciences
2025

Characterization of Human Recombinant β1,4-GalNAc-Transferase B4GALNT1 and Inhibition by Selected Compounds.

Molecules (Basel, Switzerland)
2025

Generation of mice with combined Hexa Gly269Ser KI or KO and Neu3 KO alleles to create new models of GM2 gangliosidoses.

Biology open
2025

Generation of three human induced pluripotent stem cell (hiPSC) lines from patients with Late-Onset Tay-Sachs disease (HEXA-related adult-onset GM2-gangliosidosis).

Stem cell research
2025

Dual-vector rAAVrh8 gene therapy for GM2 gangliosidosis: a phase 1/2 trial.

Nature medicine
2025

Robot-assisted intrathalamic infusion for gene therapy in young children: surgical considerations.

Journal of neurosurgery. Pediatrics
2025

A Comprehensive microRNA-seq Transcriptomic Analysis of Tay-Sachs Disease Mice Revealed Distinct miRNA Profiles in Neuroglial Cells.

Journal of molecular neuroscience : MN
2025

Unravelling the Global Tapestry of Genetic Ataxias: Epidemiology and Genetic Testing Approaches.

Movement disorders : official journal of the Movement Disorder Society
2025

Subacute Juvenile Sandhoff Disease: A Progressive Neurodegenerative Disorder.

International journal of clinical pediatric dentistry
2025

Myotonic Discharges in Infantile Sandhoff Disease.

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques
2025

GM2 activator deficiency: An ultra-rare disorder with a new case and review of 22 published cases.

Molecular genetics and metabolism reports
2025

At-home wearables and machine learning capture motor impairment and progression in adult ataxias.

Brain : a journal of neurology
2025

Deep Learning Cerebellar Magnetic Resonance Imaging Segmentation in Late-Onset GM2 Gangliosidosis: Implications for Phenotype.

medRxiv : the preprint server for health sciences
2025

Late-onset GM2 gangliosidosis: magnetic resonance imaging, diffusion tensor imaging, and correlational fiber tractography differentiate Tay-Sachs and Sandhoff diseases.

Journal of neurology
2025

Evaluation of the Landscape of Pharmacodynamic Biomarkers in GM1 and GM2 Gangliosidosis.

Clinical and translational science
2025

Comparison of Inpatient and Emergency Department Costs to Research Funding for Functional Neurologic Disorder: An Economic Analysis.

Neurology
2025

Brainstem Substructure Atrophy in Late-Onset GM2-Gangliosidosis Imaging Using Automated Segmentation.

Cerebellum (London, England)
2024

Tay-Sachs and Sandhoff Diseases: Diffusion tensor imaging and correlational fiber tractography findings differentiate late-onset GM2 Gangliosidosis.

medRxiv : the preprint server for health sciences
2025

Dysregulation of the NLRP3 Inflammasome and Promotion of Disease by IL-1β in a Murine Model of Sandhoff Disease.

Cells
2024

Montreal cognitive assessment as a cognitive outcome measure in progressive supranuclear palsy.

Frontiers in neurology
2025

Precise template-free correction restores gene function in Tay-Sachs disease while reframing is ineffective.

Molecular therapy. Nucleic acids
2025

Clinical and biochemical abnormalities in a feline model of GM2 activator deficiency.

Molecular genetics and metabolism
2024

Intravenous gene therapy improves lifespan and clinical outcomes in feline Sandhoff Disease.

bioRxiv : the preprint server for biology
2024

Voice of the Patient Report on GM2 Gangliosidosis (Tay-Sachs and Sandhoff).

Human gene therapy
2025

4-Phenylbutyric acid mitigates ER stress-induced neurodegeneration in the spinal cords of a GM2 gangliosidosis mouse model.

Human molecular genetics
2024

A multiplexed targeted method for profiling of serum gangliosides and glycosphingolipids: application to GM2-gangliosidosis.

Analytical and bioanalytical chemistry
2024

Role of Botulinum Toxin in Treatment of Secondary Dystonia: A Case Series and Overview of Literature.

Toxins
2024

Tandem mass spectrometric enzyme assay for simultaneous detection of Tay-Sachs and Sandhoff diseases in dried blood spots for newborn screening.

Molecular genetics and metabolism
2024

Motor assessment of X-linked dystonia parkinsonism via machine-learning-based analysis of wearable sensor data.

Scientific reports
2024

Atypical granulation in neutrophils of a domestic shorthair cat.

Veterinary clinical pathology
2024

Clinical, Imaging, Genetic, and Disease Course Characteristics in Patients With GM2 Gangliosidosis: Beyond Age of Onset.

Neurology
2024

GM1 and GM2-Gangliosidosis: Clinical Features, Neuroimaging Findings and Electroencephalography.

Iranian journal of child neurology
2024

Cinnamic acid, a natural plant compound, exhibits neuroprotection in a mouse model of Sandhoff disease via PPARα.

NeuroImmune pharmacology and therapeutics
2024

Lysosomal storage disorders identified in adult population from India: Experience of a tertiary genetic centre and review of literature.

JIMD reports
2024

Childhood-onset writer's cramp, with later ataxia: A clue to COQ8A-related disorders.

Parkinsonism &amp; related disorders
2024

Infantile Monosialoganglioside2 (GM2) Gangliosidosis With Concurrent Bronchopneumonia: An Extraordinary Case of Tay-Sachs Disease.

Cureus
2024

Intrathecal delivery of a bicistronic AAV9 vector expressing β-hexosaminidase A corrects Sandhoff disease in a murine model: A dosage study.

Molecular therapy. Methods &amp; clinical development
2024

Quantitative brain morphometry identifies cerebellar, cortical, and subcortical gray and white matter atrophy in late-onset Tay-Sachs disease.

Journal of inherited metabolic disease
2023

Characterization of a phenotypically severe animal model for human AB-Variant GM2 gangliosidosis.

Frontiers in molecular neuroscience
2023

The diagnostic journey for patients with late-onset GM2 Gangliosidoses.

Molecular genetics and metabolism reports
2024

Clinical and imaging predictors of late-onset GM2 gangliosidosis: A scoping review.

Annals of clinical and translational neurology
2024

Targeting GM2 Ganglioside Accumulation in Dementia: Current Therapeutic Approaches and Future Directions.

Current molecular medicine
2023

Efficacy of Adeno-Associated Virus Serotype 9-Mediated Gene Therapy for AB-Variant GM2 Gangliosidosis.

International journal of molecular sciences
2023

Inborn Errors of Metabolism with Ataxia: Current and Future Treatment Options.

Cells
2023

High genetic heterogeneity of leukodystrophies in Iranian children: the first report of Iranian Leukodystrophy Registry.

Neurogenetics
2023

From amaurotic idiocy to biochemically defined lipid storage diseases: the first identification of GM1-Gangliosidosis.

Free neuropathology
2023

Life-Limiting Peripheral Organ Dysfunction in Feline Sandhoff Disease Emerges after Effective CNS Gene Therapy.

Annals of neurology
2024

Increasing β-hexosaminidase A activity using genetically modified mesenchymal stem cells.

Neural regeneration research
2023

Biochemical Correction of GM2 Ganglioside Accumulation in AB-Variant GM2 Gangliosidosis.

International journal of molecular sciences
2023

Multimodal optical imaging and genetic features of AB variant GM2 gangliosidosis: a case report.

Frontiers in pediatrics
2023

Efficacy and safety of miglustat in the treatment of GM2 gangliosidosis: A systematic review.

European journal of neurology
2023

Ursodeoxycholic Acid Binds PERK and Ameliorates Neurite Atrophy in a Cellular Model of GM2 Gangliosidosis.

International journal of molecular sciences
2023

Gene Therapy of Sphingolipid Metabolic Disorders.

International journal of molecular sciences
2023

Analysis of urinary oligosaccharide excretion patterns by UHPLC/HRAM mass spectrometry for screening of lysosomal storage disorders.

Journal of inherited metabolic disease
2023

Plasma GM2 ganglioside potential biomarker for diagnosis, prognosis and disease monitoring of GM2-Gangliosidosis.

Molecular genetics and metabolism
2023

Efficacy and Safety of N-Acetyl-l-Leucine in Children and Adults With GM2 Gangliosidoses.

Neurology
2022

Clinical Presentation and Genetic Heterogeneity Including Two Novel Variants in Sri Lankan Patients With Infantile Sandhoff Disease.

Child neurology open
2022

Gene Expression Profile in the Sandhoff Mouse Brain with Progression of Age.

Genes
2022

Objective Assessment of Upper-Extremity Motor Functions in Spinocerebellar Ataxia Using Wearable Sensors.

Sensors (Basel, Switzerland)
2023

Lessons Learned in Outpatient Physical Therapy for Motor Functional Neurological Disorder.

Journal of neurologic physical therapy : JNPT
2022

GM2 gangliosidosis AB variant: first case of late onset and review of the literature.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
2022

Rare Diseases in Glycosphingolipid Metabolism.

Advances in experimental medicine and biology
2022

Therapeutic advantages of combined gene/cell therapy strategies in a murine model of GM2 gangliosidosis.

Molecular therapy. Methods &amp; clinical development
2022

Plasma neurofilament light, glial fibrillary acidic protein and lysosphingolipid biomarkers for pharmacodynamics and disease monitoring of GM2 and GM1 gangliosidoses patients.

Molecular genetics and metabolism reports
2022

Skeletal radiographic manifestations of GM2 gangliosidosis variant 0 (Sandhoff disease) in two Japanese domestic cats.

JFMS open reports
2022

Rare coexistence of Tay-Sachs disease, coarctation of the aorta and grade V vesicoureteral reflux.

Archivos argentinos de pediatria
2022

A case of spastic paraplegia type 11 mimicking a GM2-gangliosidosis.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
2021

Positioning Head Tilt in Canine Lysosomal Storage Disease: A Retrospective Observational Descriptive Study.

Frontiers in veterinary science
2021

Atypical presentation of late-onset Sandhoff disease: a case report.

Ideggyogyaszati szemle
2021

L-Arginine Ameliorates Defective Autophagy in GM2 Gangliosidoses by mTOR Modulation.

Cells
2022

Pontocerebellar atrophy is the hallmark neuroradiological finding in late-onset Tay-Sachs disease.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
2021

Serum Cytokine Profile, Beta-Hexosaminidase A Enzymatic Activity and GM2 Ganglioside Levels in the Plasma of a Tay-Sachs Disease Patient after Cord Blood Cell Transplantation and Curcumin Administration: A Case Report.

Life (Basel, Switzerland)
2021

Chitotriosidase as a biomarker for gangliosidoses.

Molecular genetics and metabolism reports
2022

Treatment of GM2 Gangliosidosis in Adult Sandhoff Mice Using an Intravenous Self-Complementary Hexosaminidase Vector.

Current gene therapy
2021

The incidence rate of hospitalized lysosomal storage diseases in Poland in 2013-2015 based on data from the National Health Fund.

Pediatric endocrinology, diabetes, and metabolism
2021

White Matter Pathology as a Barrier to Gangliosidosis Gene Therapy.

Frontiers in cellular neuroscience
2021

Neither a Novel Tau Proteinopathy nor an Expansion of a Phenotype: Reappraising Clinicopathology-Based Nosology.

International journal of molecular sciences
2021

Serial changes of T1-, T2-weighted MR imaging and MR spectroscopy in Tay-Sachs disease with late onset spasms.

Brain &amp; development
2021

Magnetic resonance imaging and spectroscopy in late-onset GM2-gangliosidosis.

Molecular genetics and metabolism
2021

Late onset Sandhoff disease presenting with lower motor neuron disease and stuttering.

Neuromuscular disorders : NMD
2021

Investigating Immune Responses to the scAAV9-HEXM Gene Therapy Treatment in Tay-Sachs Disease and Sandhoff Disease Mouse Models.

International journal of molecular sciences
2021

A pathogenic HEXA missense variant in wild boars with Tay-Sachs disease.

Molecular genetics and metabolism
2022

Functionality of a bicistronic construction containing HEXA and HEXB genes encoding β-hexosaminidase A for cell-mediated therapy of GM2 gangliosidoses.

Neural regeneration research
2022

[Rehabilitation in Tay-Sachs disease: A case report].

Rehabilitacion
2021

A case of adult onset Sandhoff disease that mimics Brown-Vialetto-Van Laere syndrome.

Neuromuscular disorders : NMD
2021

Two patients from Turkey with a novel variant in the GM2A gene and review of the literature.

Journal of pediatric endocrinology &amp; metabolism : JPEM
2021

Novel HEXA variants in Korean children with Tay-Sachs disease with regression of neurodevelopment from infancy.

Molecular genetics &amp; genomic medicine
2021

Cerebellar atrophy on top of motor neuron compromise as indicator of late-onset GM2 gangliosidosis.

Journal of neurology
2021

Acetyl-leucine slows disease progression in lysosomal storage disorders.

Brain communications
2022

Sandhoff disease in the elderly: a case study.

Amyotrophic lateral sclerosis &amp; frontotemporal degeneration
2020

Functional Dystonia: Differentiation From Primary Dystonia and Multidisciplinary Treatments.

Frontiers in neurology
2021

A case of infantile Tay-Sachs disease with late onset spasms.

Brain &amp; development
2021

A master protocol to investigate a novel therapy acetyl-L-leucine for three ultra-rare neurodegenerative diseases: Niemann-Pick type C, the GM2 gangliosidoses, and ataxia telangiectasia.

Trials
2021

Infantile onset Sandhoff disease: clinical manifestation and a novel common mutation in Thai patients.

BMC pediatrics
2020

The juvenile gangliosidoses: A timeline of clinical change.

Molecular genetics and metabolism reports
2020

Human recombinant lysosomal β-Hexosaminidases produced in Pichia pastoris efficiently reduced lipid accumulation in Tay-Sachs fibroblasts.

American journal of medical genetics. Part C, Seminars in medical genetics
2022

Clinical and Laboratory Profile of Gangliosidosis from Southern Part of India.

Journal of pediatric genetics
2020

GM2 ganglioside accumulation causes neuroinflammation and behavioral alterations in a mouse model of early onset Tay-Sachs disease.

Journal of neuroinflammation
2020

Assessing Lysosomal Disorders in the NGS Era: Identification of Novel Rare Variants.

International journal of molecular sciences
2021

Pharmacokinetics, Pharmacodynamics, Safety, and Tolerability of Oral Venglustat in Healthy Volunteers.

Clinical pharmacology in drug development
2020

Lyso-glycosphingolipids: presence and consequences.

Essays in biochemistry
2020

A feasibility study of mHealth and wearable technology in late onset GM2 gangliosidosis (Tay-Sachs and Sandhoff Disease).

Orphanet journal of rare diseases
2020

Pronounced Therapeutic Benefit of a Single Bidirectional AAV Vector Administered Systemically in Sandhoff Mice.

Molecular therapy : the journal of the American Society of Gene Therapy
2020

Patient and caregiver perspectives on burden of disease manifestations in late-onset Tay-Sachs and Sandhoff diseases.

Orphanet journal of rare diseases
2020

Lysosomal Ceramide Metabolism Disorders: Implications in Parkinson's Disease.

Journal of clinical medicine
2020

Natural History of Adult Patients with GM2 Gangliosidosis.

Annals of neurology
2020

Quantitative oculomotor and nonmotor assessments in late-onset GM2 gangliosidosis.

Neurology
2019

Homozygous variants in the HEXB and MBOAT7 genes underlie neurological diseases in consanguineous families.

BMC medical genetics
2020

Novel bicistronic lentiviral vectors correct β-Hexosaminidase deficiency in neural and hematopoietic stem cells and progeny: implications for in vivo and ex vivo gene therapy of GM2 gangliosidosis.

Neurobiology of disease
2019

Large animal models contribute to the development of therapies for central and peripheral nervous system dysfunction in patients with lysosomal storage diseases.

Human molecular genetics
2019

Genotype-phenotype correlation of gangliosidosis mutations using in silico tools and homology modeling.

Molecular genetics and metabolism reports
2019

Presynaptic Dysfunction in Neurons Derived from Tay-Sachs iPSCs.

Neuroscience
2019

Integrated Computational Analysis Highlights unique miRNA Signatures in the Subventricular Zone and Striatum of GM2 Gangliosidosis Animal Models.

International journal of molecular sciences
2019

Early juvenile Tay-Sachs disease with atypical symptoms.

Pediatrics international : official journal of the Japan Pediatric Society
2019

Lysosomal Glycosphingolipid Storage Diseases.

Annual review of biochemistry
2019

Substrate Reduction Therapy for Sandhoff Disease through Inhibition of Glucosylceramide Synthase Activity.

Molecular therapy : the journal of the American Society of Gene Therapy
2019

Ganglioside GM2 catabolism is inhibited by storage compounds of mucopolysaccharidoses and by cationic amphiphilic drugs.

Molecular genetics and metabolism
2019

Amyotrophy, cerebellar impairment and psychiatric disease are the main symptoms in a cohort of 14 Czech patients with the late-onset form of Tay-Sachs disease.

Journal of neurology
2019

Membrane lipids and their degradation compounds control GM2 catabolism at intralysosomal luminal vesicles.

Journal of lipid research
2019

A possible biomarker of neurocytolysis in infantile gangliosidoses: aspartate transaminase.

Metabolic brain disease
2018

New Approaches to Tay-Sachs Disease Therapy.

Frontiers in physiology
2019

Neurite atrophy and apoptosis mediated by PERK signaling after accumulation of GM2-ganglioside.

Biochimica et biophysica acta. Molecular cell research
2019

Metabolomics profiling reveals profound metabolic impairments in mice and patients with Sandhoff disease.

Molecular genetics and metabolism
2018

Neural stem cells for disease modeling and evaluation of therapeutics for Tay-Sachs disease.

Orphanet journal of rare diseases
2018

Clinical presentation and outcome in infantile Sandhoff disease: a case series of 25 patients from Iranian neurometabolic bioregistry with five novel mutations.

Orphanet journal of rare diseases
2018

THE LYSOSOMAL STORAGE DISEASE GM2 GANGLIOSIDOSIS IN CAPTIVE BANDED MONGOOSE SIBLINGS ( MUNGOS MUNGO).

Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians
2018

Genetics and Therapies for GM2 Gangliosidosis.

Current gene therapy
2018

Two-Year Follow-Up Magnetic Resonance Imaging and Spectroscopy Findings and Cerebrospinal Fluid Analysis of a Dog with Sandhoff's Disease.

Journal of veterinary internal medicine
2018

Hypomyelinating disorders in China: The clinical and genetic heterogeneity in 119 patients.

PloS one
2018

Cerebral organoids derived from Sandhoff disease-induced pluripotent stem cells exhibit impaired neurodifferentiation.

Journal of lipid research
2018

Distinct progression patterns of brain disease in infantile and juvenile gangliosidoses: Volumetric quantitative MRI study.

Molecular genetics and metabolism
2017

Lysosomal storage diseases.

Translational science of rare diseases
2018

Canine GM2-Gangliosidosis Sandhoff Disease Associated with a 3-Base Pair Deletion in the HEXB Gene.

Journal of veterinary internal medicine
2017

GM2 Gangliosidosis in Shiba Inu Dogs with an In-Frame Deletion in HEXB.

Journal of veterinary internal medicine
2017

LC-MS/MS multiplex analysis of lysosphingolipids in plasma and amniotic fluid: A novel tool for the screening of sphingolipidoses and Niemann-Pick type C disease.

PloS one
2017

Infantile gangliosidoses: Mapping a timeline of clinical changes.

Molecular genetics and metabolism
2017

[Clinical characteristics of early juvenile GM2 gangliosidosis: a case report].

No to hattatsu = Brain and development
2017

Rare Variant of GM2 Gangliosidosis through Activator-Protein Deficiency.

Neuropediatrics
2016

Infantile Sandhoff Disease: Unusual presentation.

Medical journal, Armed Forces India
2016

CT and MRI findings in a case of infantile form of GM2 gangliosidosis: Tay-Sachs disease.

Neurology India
2016

Animal models of GM2 gangliosidosis: utility and limitations.

The application of clinical genetics
2016

The GM1 and GM2 Gangliosidoses: Natural History and Progress toward Therapy.

Pediatric endocrinology reviews : PER
2016

GM2 gangliosidosis AB variant: novel mutation from India - a case report with a review.

BMC pediatrics
2016

Combined replacement effects of human modified β-hexosaminidase B and GM2 activator protein on GM2 gangliosidoses fibroblasts.

Biochemistry and biophysics reports
2016

Systemic Gene Transfer of a Hexosaminidase Variant Using an scAAV9.47 Vector Corrects GM2 Gangliosidosis in Sandhoff Mice.

Human gene therapy
2016

Novel Vector Design and Hexosaminidase Variant Enabling Self-Complementary Adeno-Associated Virus for the Treatment of Tay-Sachs Disease.

Human gene therapy
2016

N-butyldeoxynojirimycin treatment restores the innate fear response and improves learning in mucopolysaccharidosis IIIA mice.

Molecular genetics and metabolism
2016

In situ detection of GM1 and GM2 gangliosides using immunohistochemical and immunofluorescent techniques for auxiliary diagnosis of canine and feline gangliosidoses.

BMC veterinary research
2016

Clinical,biochemical and molecular analysis of five Chinese patients with Sandhoff disease.

Metabolic brain disease
2016

Protease-resistant modified human β-hexosaminidase B ameliorates symptoms in GM2 gangliosidosis model.

The Journal of clinical investigation
2016

Infantile Type Sandhoff Disease with Striking Brain MRI Findings and a Novel Mutation.

Polish journal of radiology
2015

GM2 Gangliosidosis Variant 0 (Sandhoff Disease) in a Mixed-Breed Dog.

Journal of the American Animal Hospital Association
2015

GABAergic Pharmacotherapy in the Treatment of Motor Disorders of the Central Nervous System.

Current pharmaceutical design
2016

CSF N-glycan profile reveals sialylation deficiency in a patient with GM2 gangliosidosis presenting as childhood disintegrative disorder.

Autism research : official journal of the International Society for Autism Research
2015

The Big Bluff of Amyotrophic Lateral Sclerosis Diagnosis: The Role of Neurodegenerative Disease Mimics.

Neuro-degenerative diseases
2015

Mutation in GM2A Leads to a Progressive Chorea-dementia Syndrome.

Tremor and other hyperkinetic movements (New York, N.Y.)
2015

Dysarthria and Stutter as Presenting Symptoms of Late-Onset Tay-Sachs Disease in Three Siblings.

Movement disorders clinical practice
2016

GM2-Gangliosidosis, AB Variant: Clinical, Ophthalmological, MRI, and Molecular Findings.

JIMD reports
2015

Mucopolysaccharidosis-like phenotype in feline Sandhoff disease and partial correction after AAV gene therapy.

Molecular genetics and metabolism
2015

Pendular nystagmus, palatal tremor and progressive ataxia in GM2-gangliosidosis.

European journal of neurology
2015

Cerebrospinal Fluid Monoamine Metabolite Analysis in Pediatric Movement Disorders.

Journal of child neurology
2015

Concurrent diagnoses of Prader-Willi syndrome and GM2 gangliosidosis caused by uniparental disomy of chromosome 15.

American journal of medical genetics. Part A
2014

The first family with Tay-Sachs disease in Cyprus: Genetic analysis reveals a nonsense (c.78G>A) and a silent (c.1305C>T) mutation and allows preimplantation genetic diagnosis.

Meta gene
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Doenças relacionadas

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Referências e fontes

Bases de dados externas citadas neste artigo

Publicações científicas

Artigos indexados no PubMed ligados a esta doença no grafo RarasNet — título, periódico e PMID direto da fonte, sem intermediação de IA.

  1. Therapeutic Effects of Nizubaglustat in a Mouse Model of GM2 Gangliosidosis.
    Journal of inherited metabolic disease· 2026· PMID 41500827mais citado
  2. First Reported Case of CLN5 Disease in Japan: Identification of a Novel Homozygous Pathogenic Variant Through Whole Genome Sequencing.
    Clinical case reports· 2026· PMID 41479428mais citado
  3. New multiplex LC-MS/MS method for lipid biomarker analysis of inherited neurodegenerative metabolic diseases.
    Journal of lipid research· 2026· PMID 41429203mais citado
  4. Correction to 'A novel HEXA frameshift mutation identified in Angus cattle with GM2 gangliosidosis'.
    Animal genetics· 2026· PMID 41486065mais citado
  5. Similarities and Differences in the Late-Onset GM2 Gangliosidoses: Tay-Sachs and Sandhoff Diseases.
    medRxiv : the preprint server for health sciences· 2025· PMID 40970120mais citado
  6. Correction: Vyas et al. Efficacy of Adeno-Associated Virus Serotype 9-Mediated Gene Therapy for AB-Variant GM2 Gangliosidosis. Int. J. Mol. Sci. 2023, 24, 14611.
    Int J Mol Sci· 2026· PMID 41977517recente
  7. Symptomatic Benefit of Acetyl-DL-Leucine for Cerebellar Ataxia in Juvenile Tay-Sachs Disease: A Pediatric Case and Literature Review.
    Mol Syndromol· 2025· PMID 41607648recente

Bases de dados e fontes oficiais

Identificadores e referências canônicas usadas para montar este verbete.

  1. ORPHA:309152(Orphanet)
  2. MONDO:0017720(MONDO)
  3. GARD:21323(GARD (NIH))
  4. Variantes catalogadas(ClinVar)
  5. Busca completa no PubMed(PubMed)
  6. Q5513691(Wikidata)

Dados compilados pelo RarasNet a partir de fontes abertas (Orphanet, OMIM, MONDO, PubMed/EuropePMC, ClinicalTrials.gov, DATASUS, PCDT/MS). Este conteúdo é informativo e não substitui avaliação médica.

Conteúdo mantido por Agente Raras · Médicos e pesquisadores podem colaborar

Gangliosidose GM2
Compêndio · Raras BR

Gangliosidose GM2

ORPHA:309152 · MONDO:0017720
Prevalência
1-9 / 100 000
CID-10
E75.0 · Gangliosidose GM2
CID-11
Ensaios
9 ativos
Medicamentos
3 registrados
Prevalência
5.0 (Europe)
MedGen
UMLS
C0039373
EuropePMC
Wikidata
Papers 10a
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