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Mitochondrial disease v0.1081 MRPS36 Krithika Murali changed review comment from: 3 individuals from 2 unrelated families reported with biallelic MRPS36 variants (current HGNC is KGD4). Gene encodes E4 subunit of OGDHC complex. Individuals present with a phenotype consistent with Leigh syndrome including seizures, hypotonia, dystonia, brain imaging anomalies, persistent lactic acidosis and cardiomyopathy.

Patient-derived fibroblast studies demonstrates reduced OGDHC enzymatic activity, however, this functional evidence is not gene or variant-specific.
Sources: Literature; to: 3 individuals from 2 unrelated families reported with biallelic MRPS36 variants (current HGNC is KGD4). Gene encodes E4 subunit of OGDHC complex. Individuals present with a phenotype consistent with Leigh syndrome including seizures, hypotonia, dystonia, brain imaging anomalies, persistent lactic acidosis.
Cardiomyopathy also reported.

Patient-derived fibroblast studies demonstrates reduced OGDHC enzymatic activity, however, this functional evidence is not gene or variant-specific.
Sources: Literature
Mitochondrial disease v0.1081 MRPS36 Krithika Murali changed review comment from: 3 individuals with 2 unrelated families reported with biallelic MRPS36 variants (current HGNC is KGD4). Gene encodes E4 subunit of OGDHC complex. Individuals present with a phenotype consistent with Leigh syndrome including seizures, hypotonia, dystonia, brain imaging anomalies, persistent lactic acidosis and cardiomyopathy.

Patient-derived fibroblast studies demonstrates reduced OGDHC enzymatic activity, however, this functional evidence is not gene or variant-specific.
Sources: Literature; to: 3 individuals from 2 unrelated families reported with biallelic MRPS36 variants (current HGNC is KGD4). Gene encodes E4 subunit of OGDHC complex. Individuals present with a phenotype consistent with Leigh syndrome including seizures, hypotonia, dystonia, brain imaging anomalies, persistent lactic acidosis and cardiomyopathy.

Patient-derived fibroblast studies demonstrates reduced OGDHC enzymatic activity, however, this functional evidence is not gene or variant-specific.
Sources: Literature
Mitochondrial disease v0.1079 MRPS36 Krithika Murali gene: MRPS36 was added
gene: MRPS36 was added to Mitochondrial disease. Sources: Literature
Mode of inheritance for gene: MRPS36 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: MRPS36 were set to PMID: 41018056; 38685873
Phenotypes for gene: MRPS36 were set to Leigh syndrome - MONDO:0009723, MRPS36/KGD4-related
Review for gene: MRPS36 was set to AMBER
Added comment: 3 individuals with 2 unrelated families reported with biallelic MRPS36 variants (current HGNC is KGD4). Gene encodes E4 subunit of OGDHC complex. Individuals present with a phenotype consistent with Leigh syndrome including seizures, hypotonia, dystonia, brain imaging anomalies, persistent lactic acidosis and cardiomyopathy.

Patient-derived fibroblast studies demonstrates reduced OGDHC enzymatic activity, however, this functional evidence is not gene or variant-specific.
Sources: Literature
Mitochondrial disease v0.854 OGDH Zornitza Stark Classified gene: OGDH as Green List (high evidence)
Mitochondrial disease v0.854 OGDH Zornitza Stark Gene: ogdh has been classified as Green List (High Evidence).
Mitochondrial disease v0.853 OGDH Zornitza Stark Classified gene: OGDH as Green List (high evidence)
Mitochondrial disease v0.853 OGDH Zornitza Stark Gene: ogdh has been classified as Green List (High Evidence).
Mitochondrial disease v0.852 OGDH Sarah Pantaleo reviewed gene: OGDH: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 36520152; Phenotypes: Oxoglutarate dehydrogenase deficiency, MIM# 203740; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mitochondrial disease v0.685 OGDH Zornitza Stark Phenotypes for gene: OGDH were changed from Developmental delay; ataxia; seizure; raised lactate to Oxoglutarate dehydrogenase deficiency, MIM# 203740; Developmental delay; ataxia; seizure; raised lactate
Mitochondrial disease v0.684 OGDH Zornitza Stark edited their review of gene: OGDH: Changed phenotypes: Oxoglutarate dehydrogenase deficiency, MIM# 203740, Developmental delay, ataxia, seizure, raised lactate
Mitochondrial disease v0.673 OGDH Zornitza Stark Marked gene: OGDH as ready
Mitochondrial disease v0.673 OGDH Zornitza Stark Gene: ogdh has been classified as Amber List (Moderate Evidence).
Mitochondrial disease v0.673 OGDH Zornitza Stark Classified gene: OGDH as Amber List (moderate evidence)
Mitochondrial disease v0.673 OGDH Zornitza Stark Gene: ogdh has been classified as Amber List (Moderate Evidence).
Mitochondrial disease v0.672 OGDH Zornitza Stark gene: OGDH was added
gene: OGDH was added to Mitochondrial disease. Sources: Literature
Mode of inheritance for gene: OGDH was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: OGDH were set to 32383294
Phenotypes for gene: OGDH were set to Developmental delay; ataxia; seizure; raised lactate
Review for gene: OGDH was set to AMBER
Added comment: Two siblings reported with homozygous missense variant in this gene and global developmental delay, elevated lactate, ataxia and seizure. Fibroblast analysis and modeling of the mutation in Drosophila were used to evaluate pathogenicity of the variant. Note previous report of an individual with developmental delay, hypotonia, and movement disorders and metabolic decompensation and biochemical evidence of OGDH deficiency but genetic testing not done.
Sources: Literature