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Intellectual disability v8.203 SUPV3L1 Sarah Leigh Classified gene: SUPV3L1 as Amber List (moderate evidence)
Intellectual disability v8.203 SUPV3L1 Sarah Leigh Gene: supv3l1 has been classified as Amber List (Moderate Evidence).
Intellectual disability v8.202 SUPV3L1 Sarah Leigh edited their review of gene: SUPV3L1: Changed rating: GREEN
Intellectual disability v8.202 SUPV3L1 Sarah Leigh changed review comment from: Three SUPV3L1 variants have been reported in two unrelated cases with a syndrome that includes ataxia, spasticity, optic atrophy and skin hypopigmentation (ASOASH) and also intellectual disability (PMID: 35023579;39596606).
The homozygous terminating SUPV3L1 variant (NM_003171.3: c.2215C>T, p.Gln739*) reported in the siblings in PMID: 35023579, was shown to results in reduced expression of the truncated protein in the proband's fibroblasts, resulting in a reduction of the mature ND6 mRNA species and also the accumulation of double-stranded RNA. This effect was partly restored using full-length SUPV3L1 cDNA (PMID: 35023579). This variant and the compound heterozygous SUPV3L1 variants (NM_003171.5: c.272-2A>G and c.1924A>C; p.(Ser642Arg) reported in PMID: 39596606 were each inherited from the parents of the proband (PMID: 35023579;39596606).
Sources: Literature; to: Three SUPV3L1 variants have been reported in two unrelated cases with a syndrome that includes ataxia, spasticity, optic atrophy and skin hypopigmentation (ASOASH) and also intellectual disability (PMID: 35023579;39596606).
The homozygous terminating SUPV3L1 variant (NM_003171.3: c.2215C>T, p.Gln739*) reported in the siblings in PMID: 35023579, was shown to results in reduced expression of the truncated protein in the proband's fibroblasts, resulting in a reduction of the mature ND6 mRNA species and also the accumulation of double-stranded RNA. This effect was partly restored using full-length SUPV3L1 cDNA (PMID: 35023579). This variant and the compound heterozygous SUPV3L1 variants (NM_003171.5: c.272-2A>G and c.1924A>C; p.(Ser642Arg) reported in PMID: 39596606 were each inherited from the parents of the proband (PMID: 35023579;39596606). Supportive functional studies were presented in PMID: 35023579 and 39596606.
Sources: Literature
Intellectual disability v8.202 SUPV3L1 Sarah Leigh Added comment: Comment on publications: PMID: 39596606 was identified by the Genomics England Applied Machine Learning (ML) team in a Biocuration-ML project for identifying new gene-disease associations using Natural Language Processing (NLP) and Generative AI techniques.
Intellectual disability v8.202 SUPV3L1 Sarah Leigh Publications for gene: SUPV3L1 were set to 35023579; 39596606
Intellectual disability v8.201 SUPV3L1 Sarah Leigh gene: SUPV3L1 was added
gene: SUPV3L1 was added to Intellectual disability. Sources: Literature
Q1_25_ promote_green tags were added to gene: SUPV3L1.
Mode of inheritance for gene: SUPV3L1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: SUPV3L1 were set to 35023579; 39596606
Phenotypes for gene: SUPV3L1 were set to Mitochondrial RNA Helicase SUPV3L1-Associated neurodegenerative syndrome
Review for gene: SUPV3L1 was set to AMBER
Added comment: Three SUPV3L1 variants have been reported in two unrelated cases with a syndrome that includes ataxia, spasticity, optic atrophy and skin hypopigmentation (ASOASH) and also intellectual disability (PMID: 35023579;39596606).
The homozygous terminating SUPV3L1 variant (NM_003171.3: c.2215C>T, p.Gln739*) reported in the siblings in PMID: 35023579, was shown to results in reduced expression of the truncated protein in the proband's fibroblasts, resulting in a reduction of the mature ND6 mRNA species and also the accumulation of double-stranded RNA. This effect was partly restored using full-length SUPV3L1 cDNA (PMID: 35023579). This variant and the compound heterozygous SUPV3L1 variants (NM_003171.5: c.272-2A>G and c.1924A>C; p.(Ser642Arg) reported in PMID: 39596606 were each inherited from the parents of the proband (PMID: 35023579;39596606).
Sources: Literature