Raras
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Acidúria 2-hidroxiglutárica
ORPHA:19DOENÇA RARA

A acidúria 2-hidroxiglutárica é um grupo de distúrbios neurometabólicos com amplo espectro clínico que varia de apresentações neonatais graves a formas progressivas e casos assintomáticos, caracterizados bioquimicamente por níveis aumentados de ácido 2-hidroxiglutárico no plasma, líquido cefalorraquidiano e urina.

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Introdução

O que você precisa saber de cara

📋

A acidúria 2-hidroxiglutárica é um grupo de distúrbios neurometabólicos com amplo espectro clínico que varia de apresentações neonatais graves a formas progressivas e casos assintomáticos, caracterizados bioquimicamente por níveis aumentados de ácido 2-hidroxiglutárico no plasma, líquido cefalorraquidiano e urina.

Pesquisas ativas
1 ensaio
2 total registrados no ClinicalTrials.gov
Publicações científicas
290 artigos
Último publicado: 2026 Apr 6

Escala de raridade

CLASSIFICAÇÃO ORPHANET · BRASIL 2024
Unknown
Ultra-rara
<1/50k
Muito rara
1/20k
Rara
1/10k
Pouco freq.
1/5k
Incomum
1/2k
Prevalência
0.0
Worldwide
Início
Childhood
🏥
SUS: Cobertura mínimaScore: 25%
Triagem neonatal (Fase 2)Centros em: PA, PR, SC, RS, ES +8
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Entender a doença

Do básico ao detalhe, leia no seu ritmo

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Sinais e sintomas

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

Partes do corpo afetadas

🧠
Neurológico
25 sintomas
👁️
Olhos
4 sintomas
❤️
Coração
4 sintomas
🫁
Pulmão
3 sintomas
🫃
Digestivo
2 sintomas
😀
Face
2 sintomas

+ 24 sintomas em outras categorias

Características mais comuns

Nistagmo
Hipotonia
Acidúria L-2-hidroxiglutárica
Convulsão
Deficiência visual cerebral
Anormalidade morfológica do trato piramidal
70sintomas
Sem dados (70)

Os sintomas variam de pessoa para pessoa. Abaixo estão as 70 características clínicas mais associadas, ordenadas por frequência.

NistagmoNystagmus
HipotoniaHypotonia
Acidúria L-2-hidroxiglutáricaL-2-hydroxyglutaric aciduria
ConvulsãoSeizure
Deficiência visual cerebralCerebral visual impairment

Linha do tempo da pesquisa

Publicações por ano — veja quando o interesse científico cresceu
Anos de pesquisa1desde 2026
Total histórico290PubMed
Últimos 10 anos53publicações
Pico20187 papers
Linha do tempo
2026Hoje · 2026📈 2018Ano de pico🧪 2021Primeiro ensaio clínico
Publicações por ano (últimos 10 anos)

Triagem neonatal (Teste do Pezinho)

👶
Teste: MS/MS — acilcarnitinas + ácidos orgânicos
Fase 2 do PNTNin_rollout
Incidência no Brasil: 1:20.000

A triagem neonatal permite diagnóstico precoce e início imediato do tratamento.

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Genética e causas

O que está alterado no DNA e como passa nas famílias

Genes associados

4 genes identificados com associação a esta condição. Padrão de herança: Autosomal dominant, Autosomal recessive.

IDH2Isocitrate dehydrogenase [NADP], mitochondrialDisease-causing germline mutation(s) inAltamente restrito
FUNÇÃO

Plays a role in intermediary metabolism and energy production (PubMed:19228619, PubMed:22416140). It may tightly associate or interact with the pyruvate dehydrogenase complex (PubMed:19228619, PubMed:22416140)

LOCALIZAÇÃO

Mitochondrion

VIAS BIOLÓGICAS (4)
Citric acid cycle (TCA cycle)Maturation of TCA enzymes and regulation of TCA cycleMitochondrial protein degradationTranscriptional activation of mitochondrial biogenesis
MECANISMO DE DOENÇA

D-2-hydroxyglutaric aciduria 2

A neurometabolic disorder causing developmental delay, epilepsy, hypotonia, and dysmorphic features. Both a mild and a severe phenotype exist. The severe phenotype is homogeneous and is characterized by early infantile-onset epileptic encephalopathy and cardiomyopathy. The mild phenotype has a more variable clinical presentation. Diagnosis is based on the presence of an excess of D-2-hydroxyglutaric acid in the urine.

EXPRESSÃO TECIDUAL(Ubíquo)
Músculo esquelético
442.8 TPM
Coração - Ventrículo esquerdo
311.5 TPM
Rim - Medula
273.8 TPM
Linfócitos
186.0 TPM
Fígado
184.7 TPM
OUTRAS DOENÇAS (13)
d-2-hydroxyglutaric aciduria 2anaplastic oligodendrogliomagemistocytic astrocytomaoligoastrocytoma
HGNC:5383UniProt:P48735
D2HGDHD-2-hydroxyglutarate dehydrogenase, mitochondrialDisease-causing germline mutation(s) inTolerante
FUNÇÃO

Catalyzes the oxidation of D-2-hydroxyglutarate (D-2-HG) to alpha-ketoglutarate (PubMed:15070399, PubMed:15609246, PubMed:16037974, PubMed:20020533, PubMed:33431826). Also catalyzes the oxidation of other D-2-hydroxyacids, such as D-malate (D-MAL) and D-lactate (D-LAC) (PubMed:33431826). Exhibits high activities towards D-2-HG and D-MAL but a very weak activity towards D-LAC (PubMed:33431826)

LOCALIZAÇÃO

Mitochondrion

VIAS BIOLÓGICAS (1)
Interconversion of 2-oxoglutarate and 2-hydroxyglutarate
MECANISMO DE DOENÇA

D-2-hydroxyglutaric aciduria 1

A rare recessive neurometabolic disorder causing developmental delay, epilepsy, hypotonia, and dysmorphic features. Both a mild and a severe phenotype exist. The severe phenotype is homogeneous and is characterized by early infantile-onset epileptic encephalopathy and cardiomyopathy. The mild phenotype has a more variable clinical presentation. Diagnosis is based on the presence of an excess of D-2-hydroxyglutaric acid in the urine.

EXPRESSÃO TECIDUAL(Ubíquo)
Tireoide
77.7 TPM
Pituitária
68.0 TPM
Próstata
62.6 TPM
Fallopian Tube
59.6 TPM
Cervix Endocervix
58.5 TPM
OUTRAS DOENÇAS (2)
D-2-hydroxyglutaric aciduria 1D-2-hydroxyglutaric aciduria
HGNC:28358UniProt:Q8N465
SLC25A1Tricarboxylate transport protein, mitochondrialDisease-causing germline mutation(s) inTolerante
FUNÇÃO

Mitochondrial electroneutral antiporter that exports citrate from the mitochondria into the cytosol in exchange for malate (PubMed:26870663, PubMed:29031613, PubMed:29238895, PubMed:39881208, PubMed:38937634). Also able to mediate the exchange of citrate for isocitrate, phosphoenolpyruvate, cis-aconitate and to a lesser extent trans-aconitate, maleate and succinate (PubMed:29031613). Substrate exchange across the membrane occurs consecutively with one substrate being transported first, then diss

LOCALIZAÇÃO

Mitochondrion inner membrane

VIAS BIOLÓGICAS (1)
Organic anion transport by SLC5/17/25 transporters
MECANISMO DE DOENÇA

Combined D-2- and L-2-hydroxyglutaric aciduria

An autosomal recessive neurometabolic disorder characterized by neonatal-onset encephalopathy with severe muscular weakness, intractable seizures, respiratory distress, and lack of psychomotor development resulting in early death. Brain imaging shows abnormalities including enlarged ventricles, delayed myelination, and germinal layer cysts.

EXPRESSÃO TECIDUAL(Ubíquo)
Tecido adiposo
147.1 TPM
Adipose Visceral Omentum
139.8 TPM
Fígado
126.2 TPM
Fibroblastos
124.7 TPM
Artéria tibial
104.4 TPM
OUTRAS DOENÇAS (2)
myasthenic syndrome, congenital, 23, presynapticD,L-2-hydroxyglutaric aciduria
HGNC:10979UniProt:P53007
L2HGDHL-2-hydroxyglutarate dehydrogenase, mitochondrialDisease-causing germline mutation(s) inTolerante
LOCALIZAÇÃO

Mitochondrion

VIAS BIOLÓGICAS (1)
Interconversion of 2-oxoglutarate and 2-hydroxyglutarate
MECANISMO DE DOENÇA

L-2-hydroxyglutaric aciduria

A rare autosomal recessive disorder clinically characterized by mild psychomotor delay in the first years of life, followed by progressive cerebellar ataxia, dysarthria and moderate to severe intellectual disability. Diagnosis is based on the presence of an excess of L-2-hydroxyglutaric acid in urine, blood and cerebrospinal fluid.

EXPRESSÃO TECIDUAL(Ubíquo)
Linfócitos
8.6 TPM
Cérebro - Hemisfério cerebelar
8.3 TPM
Cerebelo
6.8 TPM
Skin Sun Exposed Lower leg
5.3 TPM
Skin Not Sun Exposed Suprapubic
5.2 TPM
OUTRAS DOENÇAS (1)
L-2-hydroxyglutaric aciduria
HGNC:20499UniProt:Q9H9P8

Variantes genéticas (ClinVar)

652 variantes patogênicas registradas no ClinVar.

🧬 IDH2: GRCh38/hg38 15q26.1-26.3(chr15:90068508-101888837)x3 ()
🧬 IDH2: NM_002168.4(IDH2):c.800A>G (p.Gln267Arg) ()
🧬 IDH2: GRCh37/hg19 15q26.1-26.3(chr15:90569376-102369410)x1 ()
🧬 IDH2: NM_002168.4(IDH2):c.448G>C (p.Glu150Gln) ()
🧬 IDH2: NM_002168.4(IDH2):c.1081-60C>G ()
Ver todas no ClinVar

Classificação de variantes (ClinVar)

Distribuição de 8 variantes classificadas pelo ClinVar.

4
4
Patogênica (50.0%)
VUS (50.0%)
VARIANTES MAIS SIGNIFICATIVAS
SLC25A1: NM_005984.5(SLC25A1):c.578C>T (p.Ser193Leu) [Likely pathogenic]
SLC25A1: NM_005984.5(SLC25A1):c.821+1G>A [Pathogenic]
SLC25A1: NM_005984.5(SLC25A1):c.517_526del (p.Arg173fs) [Pathogenic/Likely pathogenic]
SLC25A1: NM_005984.5(SLC25A1):c.844C>T (p.Arg282Cys) [Pathogenic/Likely pathogenic]
SLC25A1: NM_005984.5(SLC25A1):c.889T>C (p.Tyr297His) [Uncertain significance]

Diagnóstico

Os sinais que médicos procuram e os exames que confirmam

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Tratamento e manejo

Remédios, cuidados de apoio e o que precisa acompanhar

Pipeline de tratamentos
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Onde tratar no SUS

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

🇧🇷 Atendimento SUS — Acidúria 2-hidroxiglutárica

Centros de Referência SUS

21 centros habilitados pelo SUS para Acidúria 2-hidroxiglutárica

Centros para Acidúria 2-hidroxiglutárica

Detalhes dos centros

Hospital Universitário Prof. Edgard Santos (HUPES)

R. Dr. Augusto Viana, s/n - Canela, Salvador - BA, 40110-060 · CNES 0003808

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital de Apoio de Brasília (HAB)

AENW 3 Lote A Setor Noroeste - Plano Piloto, Brasília - DF, 70684-831 · CNES 0010456

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Estadual Infantil e Maternidade Alzir Bernardino Alves (HIABA)

Av. Min. Salgado Filho, 918 - Soteco, Vila Velha - ES, 29106-010 · CNES 6631207

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital das Clínicas da UFG

Rua 235 QD. 68 Lote Área, Nº 285, s/nº - Setor Leste Universitário, Goiânia - GO, 74605-050 · CNES 2338424

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital das Clínicas da UFMG

Av. Prof. Alfredo Balena, 110 - Santa Efigênia, Belo Horizonte - MG, 30130-100 · CNES 2280167

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

NUPAD / Faculdade de Medicina UFMG

Av. Prof. Alfredo Balena, 189 - 5 andar - Centro, Belo Horizonte - MG, 30130-100 · CNES 2183226

Serviço de Referência

Rota
Erros Inatos do Metabolismo

Hospital Universitário João de Barros Barreto

R. dos Mundurucus, 4487 - Guamá, Belém - PA, 66073-000 · CNES 2337878

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas da Universidade Federal de Pernambuco

Av. Prof. Moraes Rego, 1235 - Cidade Universitária, Recife - PE, 50670-901 · CNES 2561492

Atenção Especializada

Rota
Erros Inatos do Metabolismo

Instituto de Medicina Integral Prof. Fernando Figueira (IMIP)

R. dos Coelhos, 300 - Boa Vista, Recife - PE, 50070-902 · CNES 0000647

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas da UFPR

R. Gen. Carneiro, 181 - Alto da Glória, Curitiba - PR, 80060-900 · CNES 2364980

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário Pedro Ernesto (HUPE-UERJ)

Blvd. 28 de Setembro, 77 - Vila Isabel, Rio de Janeiro - RJ, 20551-030 · CNES 2280221

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira (IFF/Fiocruz)

Av. Rui Barbosa, 716 - Flamengo, Rio de Janeiro - RJ, 22250-020 · CNES 2269988

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário Onofre Lopes (HUOL)

Av. Nilo Peçanha, 620 - Petrópolis, Natal - RN, 59012-300 · CNES 2408570

Atenção Especializada

Rota
Erros Inatos do Metabolismo

Hospital São Lucas da PUCRS

Av. Ipiranga, 6690 - Jardim Botânico, Porto Alegre - RS, 90610-000 · CNES 2232928

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital de Clínicas de Porto Alegre (HCPA)

Rua Ramiro Barcelos, 2350 Bloco A - Av. Protásio Alves, 211 - Bloco B e C - Santa Cecília, Porto Alegre - RS, 90035-903 · CNES 2237601

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário da UFSC (HU-UFSC)

R. Profa. Maria Flora Pausewang - Trindade, Florianópolis - SC, 88036-800 · CNES 2560356

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital das Clínicas da FMUSP

R. Dr. Ovídio Pires de Campos, 225 - Cerqueira César, São Paulo - SP, 05403-010 · CNES 2077485

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas da UNICAMP

R. Vital Brasil, 251 - Cidade Universitária, Campinas - SP, 13083-888 · CNES 2748223

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas de Ribeirão Preto (HCRP-USP)

R. Ten. Catão Roxo, 3900 - Vila Monte Alegre, Ribeirão Preto - SP, 14015-010 · CNES 2082187

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Instituto da Criança e do Adolescente (ICr-HCFMUSP)

Av. Dr. Enéas Carvalho de Aguiar, 647 - Cerqueira César, São Paulo - SP, 05403-000 · CNES 2081695

Serviço de Referência

Rota
Erros Inatos do Metabolismo

UNIFESP / Hospital São Paulo

R. Napoleão de Barros, 715 - Vila Clementino, São Paulo - SP, 04024-002 · CNES 2688689

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo
Sobre os centros SUS: Estes centros são habilitados pelo Ministério da Saúde como Serviços de Referência em Doenças Raras ou Serviços de Atenção Especializada. O atendimento é pelo SUS, com encaminhamento da rede de atenção básica.

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

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Publicações mais relevantes

🥉Melhor nível de evidência: Relato de caso
Timeline de publicações
110 papers (10 anos)
#1

[A case of L-2-hydroxyglutaric aciduria diagnosed with involuntary movements, in which improvement in motor symptoms was achieved following treatment].

Rinsho shinkeigaku = Clinical neurology2025 Feb 21

A 49-year-old female presented with the primary complaint of hand tremors. Neurological examination on admission revealed signs of cognitive impairment, bulbar palsy, dystonia, cerebellar ataxia, and pyramidal tract disease. T2-weighted brain MRI revealed hyperintense signals in the subcortical white matter, basal ganglia, and cerebellar dentate nucleus, with no atrophy of the brainstem or corpus callosum. Urinary organic acid analysis revealed elevated 2-hydroxyglutaric acid levels. Although the optical isomers could not be distinguished, L-2-hydroxyglutaric aciduria was diagnosed based on the disease course, symptoms, and characteristic MRI findings. The patient was started on riboflavin-enriched compounds and levocarnitine, resulting in an improvement in the Scale for the Assessment and Rating of Ataxia (SARA) score from 21 to 15 after six months. The case suggests that symptoms in adult patients who have not been treated for a long time can be improved by appropriate diagnosis based on neurological presentation, characteristic MRI findings, and intervention.

#2

Successful Treatment of 2-hydroxyglutaric Aciduria Diagnosed in Adulthood, Three Decades After the Onset: A Case Report and Literature Review.

Internal medicine (Tokyo, Japan)2025 Dec 25

2-Hydroxyglutaric aciduria is a rare genetic metabolic disorder, especially in Japan. Although magnetic resonance images show characteristic abnormalities in the subcortical white matter, some cases have been diagnosed in adulthood, namely many decades after onset. We herein report the case of a bedridden 37-year-old 2-hydroxyglutaric aciduria male patient who was diagnosed three decades after onset. Despite this, combination treatment with riboflavin and levocarnitine improved his condition, thus allowing him to walk by himself. Considering our case and the previous literature, we emphasize the importance of correctly diagnosing and treating patients with 2-hydroxyglutaric aciduria.

#3

A Pathogenic L2HGDH Variant Impairs Mitochondrial Targeting and Enzyme Function in L-2-Hydroxyglutaric Aciduria: Clinical and Functional Evidence from Two Affected Siblings.

Genes2025 Aug 20

L-2-hydroxyglutaric aciduria (L2HGA) is a rare autosomal recessive neurometabolic disorder caused by biallelic loss-of-function variants in the L-2-hydroxyglutarate dehydrogenase (L2HGDH) gene, leading to accumulation of L-2-hydroxyglutarate in the brain and other tissues. While various variants have been reported, the pathogenic mechanism of specific variants remains unclear. In this study, we aimed to investigate the molecular consequences of the c.905C>T p.(Pro302Leu) variant, identified in two siblings with typical symptoms of L2HGA, by analyzing its effects on protein localization and enzymatic activity in a cell model. HA-tagged wild-type and p.(Pro302Leu) mutant L2HGDH constructs were overexpressed in HEK293T cells. We assessed protein expression, subcellular localization, and enzymatic activity using Western blot analysis, immunofluorescence microscopy, and a specific enzyme assay measuring 2,6-dichloroindophenol (DCIP) reduction to assess L2HGDH enzymatic activity. Western blotting showed that wild-type L2HGDH exists primarily in the processed, mature mitochondrial form, whereas the p.(Pro302Leu) mutant remained largely in the unprocessed precursor form. Immunofluorescence and differential centrifugation revealed that wild-type protein localized to mitochondria, while the mutant protein accumulated in the cytoplasm in a diffuse or punctate pattern. Enzyme activity assays demonstrated that the mutant retained <30% of wild-type activity. These findings indicate that the p.(Pro302Leu) variant leads to aggregation of mislocalized protein, thereby impairing L2HGDH function rather than decreasing enzymatic function. This study provides clinical and molecular evidence supporting the pathogenicity of this previously reported mutation and highlights the importance of mitochondrial import for enzyme functionality in L2HGA.

#4

Genetic, neuroimaging, and clinical characteristics of a cohort of individuals with L-2-hydroxyglutaric aciduria from Türkiye.

Journal of pediatric endocrinology &amp; metabolism : JPEM2025 Sep 25

L-2-hydroxyglutaric aciduria (L2HGA) is a hereditary metabolic disorder characterized by the accumulation of L-2-hydroxyglutaric acid in body fluids, particularly in cerebrospinal fluid, which disrupts neuron function in the central nervous system and triggers oxidative stress. It can cause seizures, developmental disorders, and behavioral abnormalities. The study retrospectively evaluated the demographic information, initial symptoms, clinical characteristics, cranial magnetic resonance imaging (MRI) findings, and post-treatment biochemical changes of 10 cases diagnosed with L2HGA. The study included five paediatric and five adult cases with a molecular diagnosis of L2HGA. The mean age at diagnosis was 10.1 years. Convulsion was identified as the primary presenting symptom in 70 % of cases. We identified intellectual disability in 80 % of our cases. In addition to the classic cranial MRI findings of subcortical white matter involvement, basal ganglia involvement was detected in 60 % of cases. We found that 2-hydroxyglutaric acid levels in urine organic acid analysis were significantly decreased riboflavin and carnitine post-treatment, with a mean decrease of 133.89 ± 101.43 mmol/mol creatinine (p=0.017). The most common missense variant identified in the L2HGDH gene was c.905C>T (p.Pro302Leu), occurring at a frequency of 50 % (5/10). The cases did not report significant improvement in their symptoms with treatment. L2HGA is a rare metabolic disorder that is more common in communities where consanguineous marriages are prevalent. Early diagnosis enables early treatment and protection of the brain from oxidative stress. As more cases are reported publicly, studies on genotype-phenotype relationships will yield more significant findings.

#5

Riboflavin treatment in L-2-hydroxyglutaric aciduria: report on a pediatric patient and literature review.

Journal of applied genetics2025 May 17

L-2-hydroxyglutaric aciduria (L-2-HGA, #236,792) is an autosomal recessive neurodegenerative disorder caused by the deficiency of L-2-hydroxyglutarate dehydrogenase, a flavin adenine dinucleotide (FAD)-dependent enzyme, due to biallelic pathogenic variants in the L2HGDH gene. The present study described the patient with L2HGA presenting with a slight psychomotor delay, epilepsy from 5 years of age, non-progressive cerebellar ataxia, and mild to moderate intellectual disability during 10 years of follow-up. Two different heterozygous variants in the L2HGDH gene were identified in the patient: a known substitution c.829C > T(p.Arg277*) and a novel substitution c.1196 + 1G > A corresponding with significantly increased urinary L-2-hydroxyglutarate (L2HG) excretion. A 6-month period of treatment with riboflavin (100 mg/day) was implemented with no clinical nor biochemical effect.

Publicações recentes

Ver todas no PubMed

📚 EuropePMC204 artigos no totalmostrando 53

2025

Successful Treatment of 2-hydroxyglutaric Aciduria Diagnosed in Adulthood, Three Decades After the Onset: A Case Report and Literature Review.

Internal medicine (Tokyo, Japan)
2025

A Pathogenic L2HGDH Variant Impairs Mitochondrial Targeting and Enzyme Function in L-2-Hydroxyglutaric Aciduria: Clinical and Functional Evidence from Two Affected Siblings.

Genes
2025

Genetic, neuroimaging, and clinical characteristics of a cohort of individuals with L-2-hydroxyglutaric aciduria from Türkiye.

Journal of pediatric endocrinology &amp; metabolism : JPEM
2025

Riboflavin treatment in L-2-hydroxyglutaric aciduria: report on a pediatric patient and literature review.

Journal of applied genetics
2025

[A case of L-2-hydroxyglutaric aciduria diagnosed with involuntary movements, in which improvement in motor symptoms was achieved following treatment].

Rinsho shinkeigaku = Clinical neurology
2025

Cutaneous manifestations in D-2-hydroxyglutaric aciduria type 2 and response to enasidenib therapy.

JAAD case reports
2025

Protective effects of the PPAR agonist bezafibrate against disruption of redox and energy homeostasis, neuronal death, astroglial reactivity, and neuroinflammation induced in vivo by D-2-hydroxyglutaric acid in rat brain.

European journal of pharmacology
2024

Focal dystonia in an adult with L-2- hydroxyglutaric aciduria.

Saudi medical journal
2024

L-2-hydroxyglutaric aciduria: a report of clinical, radiological, and genetic characteristics of two siblings from Egypt.

Neurocase
2024

Malignant glioma in L-2-Hydroxyglutaric Aciduria: thorough molecular characterization of a case and literature review.

Free neuropathology
2024

Late-onset cerebellar ataxia and a new frameshift L2HGDH mutation in a Chinese adult with L-2-hydroxyglutaric aciduria: a case report.

Acta neurologica Belgica
2024

Moyamoya syndrome in a patient with D-2-hydroxyglutaric aciduria type II: a rare association.

Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
2024

L-2 hydroxyglutaric aciduria: report of a Mexican-Mayan patient with the mutation c.569C>T and response to vitamin supplements and levocarnitine.

Tremor and other hyperkinetic movements (New York, N.Y.)
2024

Structure and biochemical characterization of l-2-hydroxyglutarate dehydrogenase and its role in the pathogenesis of l-2-hydroxyglutaric aciduria.

The Journal of biological chemistry
2023

Loss of function variants in L2HGDH gene causing L-2-hydroxyglutaric aciduria.

Acta neurologica Belgica
2023

Separation and quantification of the urinary enantiomers of 2-hydroxyglutaric acid by capillary electrophoresis with capacitively coupled contactless conductivity detection: Application to the diagnosis of D- and L-2-hydroxyglutaric aciduria.

Journal of separation science
2023

L-2-hydroxyglutaric aciduria - review of literature and case series.

Annals of medicine and surgery (2012)
2023

An intermediate phenotype in IDH related enchondromatosis spectrum.

European journal of medical genetics
2023

L-2-Hydroxyglutaric Acid Administration to Neonatal Rats Elicits Marked Neurochemical Alterations and Long-Term Neurobehavioral Disabilities Mediated by Oxidative Stress.

Neurotoxicity research
2023

Disruption of mitochondrial bioenergetics, calcium retention capacity and cell viability caused by D-2-hydroxyglutaric acid in the heart.

Biochimie
2022

Acute myeloid leukemia and dilated cardiomyopathy in a pediatric patient with D-2-hydroxyglutaric aciduria type I.

American journal of medical genetics. Part A
2022

A novel protein truncating mutation in L2HGDH causes L-2-hydroxyglutaric aciduria in a consanguineous Pakistani family.

Metabolic brain disease
2022

Postural tremor in L-2-hydroxyglutaric aciduria is associated with cerebellar atrophy.

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

Bilateral subdural hematomas and retinal hemorrhages mimicking nonaccidental trauma in a patient with D-2-hydroxyglutaric aciduria.

JIMD reports
2020

The Wide Phenotypic Spectrum of L-2 Hydroxyglutaric Aciduria in Adults.

Movement disorders clinical practice
2020

Evaluation of clinical, neuroradiologic, and genotypic features of patients with L-2-hydroxyglutaric aciduria.

Turk pediatri arsivi
2020

A case report of an intermediate phenotype between congenital myasthenic syndrome and D-2- and L-2-hydroxyglutaric aciduria due to novel SLC25A1 variants.

BMC neurology
2020

A Case Report of Chronic Progressive Pancerebellar Syndrome with Leukoencephalopathy:L-2 Hydroxyglutaric Aciduria.

Movement disorders clinical practice
2020

Classic Imaging Features of L-2-Hydroxyglutaric Aciduria in Young Adult Presenting as Seizures Associated with Fever.

Annals of Indian Academy of Neurology
2019

A 7-year-old Boy with Hand Tremors and a Novel Mutation for L-2-hydroxyglutaric Aciduria.

Balkan journal of medical genetics : BJMG
2019

D-2-Hydroxyglutaric Aciduria with Enchondromatosis and Angiokeratoma Circumscriptum.

Cureus
2020

Cerebral neoplasm in L-2-hydroxyglutaric aciduria: two different presentations.

Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
2020

Inborn errors of metabolite repair.

Journal of inherited metabolic disease
2019

Biochemical characterization of human D-2-hydroxyglutarate dehydrogenase and two disease related variants reveals the molecular cause of D-2-hydroxyglutaric aciduria.

Biochimica et biophysica acta. Proteins and proteomics
2019

2-Hydroxyglutaric aciduria as a cause for seizure-like episodes in a domestic shorthair cat.

JFMS open reports
2019

D-2-hydroxyglutaric aciduria Type I: Functional analysis of D2HGDH missense variants.

Human mutation
2018

Two novel L2HGDH mutations identified in a rare Chinese family with L-2-hydroxyglutaric aciduria.

BMC medical genetics
2018

Computational approach to unravel the impact of missense mutations of proteins (D2HGDH and IDH2) causing D-2-hydroxyglutaric aciduria 2.

Metabolic brain disease
2018

A novel compound heterozygous mutation of the L2HGDH gene in a Chinese boy with L-2-hydroxyglutaric aciduria: case report and literature review.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
2018

Widespread and debilitating hemangiomas in a patient with enchondromatosis and D-2-hydroxyglutaric aciduria.

Skeletal radiology
2019

Muscle Weakness, Cardiomyopathy, and L-2-Hydroxyglutaric Aciduria Associated with a Novel Recessive SLC25A4 Mutation.

JIMD reports
2018

Identification of novel L2HGDH mutation in a large consanguineous Pakistani family- a case report.

BMC medical genetics
2018

Experimental Evidence that In Vivo Intracerebral Administration of L-2-Hydroxyglutaric Acid to Neonatal Rats Provokes Disruption of Redox Status and Histopathological Abnormalities in the Brain.

Neurotoxicity research
2018

A novel homozygous SLC25A1 mutation with impaired mitochondrial complex V: Possible phenotypic expansion.

American journal of medical genetics. Part A
2017

[L-2-hydroxyglutaric aciduria caused by a new mutation in the L2HGDH gene].

Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova
2017

Experimental evidence of oxidative stress in patients with l-2-hydroxyglutaric aciduria and that l-carnitine attenuates in vitro DNA damage caused by d-2-hydroxyglutaric and l-2-hydroxyglutaric acids.

Toxicology in vitro : an international journal published in association with BIBRA
2016

Clinical features and disease progression of L-2-hydroxyglutaric aciduria in 27 Staffordshire bull terriers.

The Veterinary record
2016

MRI features in 17 patients with l2 hydroxyglutaric aciduria.

European journal of radiology open
2016

In-vivo brain H1-MR-Spectroscopy identification and quantification of 2-hydroxyglutarate in L-2-Hydroxyglutaric aciduria.

Brain research
2016

Enantioseparation of d,l-2-hydroxyglutaric acid by capillary electrophoresis with tandem mass spectrometry-Fast and efficient tool for d- and l-2-hydroxyglutaracidurias diagnosis.

Journal of chromatography. A
2016

Chiral separation of 2-hydroxyglutaric acid on cinchonan carbamate based weak chiral anion exchangers by high-performance liquid chromatography.

Journal of chromatography. A
2016

White matter abnormalities in an adult patient with l-2-hydroxyglutaric aciduria.

Brain &amp; development
2015

In vivo intracerebral administration of L-2-hydroxyglutaric acid provokes oxidative stress and histopathological alterations in striatum and cerebellum of adolescent rats.

Free radical biology &amp; medicine
Ver todos os 204 no EuropePMC

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Comunidades

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Doenças relacionadas

Doenças com sintomas parecidos — ajudam quem ainda está buscando diagnóstico

Ordenadas pelo número de sintomas em comum.

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. [A case of L-2-hydroxyglutaric aciduria diagnosed with involuntary movements, in which improvement in motor symptoms was achieved following treatment].
    Rinsho shinkeigaku = Clinical neurology· 2025· PMID 39880652mais citado
  2. Successful Treatment of 2-hydroxyglutaric Aciduria Diagnosed in Adulthood, Three Decades After the Onset: A Case Report and Literature Review.
    Internal medicine (Tokyo, Japan)· 2025· PMID 41443860mais citado
  3. A Pathogenic L2HGDH Variant Impairs Mitochondrial Targeting and Enzyme Function in L-2-Hydroxyglutaric Aciduria: Clinical and Functional Evidence from Two Affected Siblings.
    Genes· 2025· PMID 40870031mais citado
  4. Genetic, neuroimaging, and clinical characteristics of a cohort of individuals with L-2-hydroxyglutaric aciduria from T&#xfc;rkiye.
    Journal of pediatric endocrinology &amp; metabolism : JPEM· 2025· PMID 40660807mais citado
  5. Riboflavin treatment in L-2-hydroxyglutaric aciduria: report on a pediatric patient and literature review.
    Journal of applied genetics· 2025· PMID 40380983mais citado
  6. Subtle clinical and radiological findings as potential indicators of CNS tumors in L-2-hydroxyglutaric aciduria: a literature review.
    Neurol Sci· 2026· PMID 41936723recente
  7. L-2-Hydroxyglutaric Aciduria Complicated by Cerebral Neoplasm.
    Mov Disord Clin Pract· 2025· PMID 40462650recente

Bases de dados e fontes oficiais

Identificadores e referências canônicas usadas para montar este verbete.

  1. ORPHA:19(Orphanet)
  2. MONDO:0016001(MONDO)
  3. GARD:10761(GARD (NIH))
  4. Variantes catalogadas(ClinVar)
  5. Busca completa no PubMed(PubMed)
  6. Q4596888(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

Acidúria 2-hidroxiglutárica
Compêndio · Raras BR

Acidúria 2-hidroxiglutárica

ORPHA:19 · MONDO:0016001
🇧🇷 Brasil SUS
Triagem
MS/MS — acilcarnitinas + ácidos orgânicos
PNTN
Fase 2
Incidência BR
1:20.000
Geral
Prevalência
Unknown
Herança
Autosomal dominant, Autosomal recessive
Ensaios
1 ativos
Início
Childhood
Prevalência
0.0 (Worldwide)
MedGen
UMLS
C2746066
EuropePMC
Wikidata
Papers 10a
Evidência
🥉 Relato de caso
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