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| Hereditary ataxia with onset in adulthood v3.2 | COQ4 |
Achchuthan Shanmugasundram gene: COQ4 was added gene: COQ4 was added to Hereditary ataxia - adult onset. Sources: Literature Mode of inheritance for gene: COQ4 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: COQ4 were set to 36047608 Phenotypes for gene: COQ4 were set to Adult-onset ataxia-spasticity spectrum disease; Hereditary spastic paraparesis, MONDO:0019064; Cerebellar ataxia, MONDO:0000437 Review for gene: COQ4 was set to GREEN Added comment: Comment on classification of this gene: The rating for this gene should be added as GREEN, as this gene has been implicated in adult-onset ataxia, as identified from biallelic variants from three unrelated individuals/ families. Six patients from four families with bi-allelic variants were reported with adult-Onset ataxia-spasticity spectrum phenotype. Out of these, five patients from three families with bi-allelic variants (c.305G>A & c.473G>A, c.434G>A & c.437T>G, c.202+4A>C & c.202+4A>C) were identified with gait and/or limb ataxia. The severity of the phenotype ranged from mild (c.305G>A & c.473G>A) to more severe (c.202+4A>C & c.202+4A>C ) and the age of onset ranged from 15 to 34 (PMID:36047608). COQ4 was not associated with adult-onset ataxia-spasticity spectrum disease in OMIM or Gene2Phenotype. However, functional studies performed in patient-derived fibroblasts, yeasts and zebrafish larvae confirms the role of COQ4 in brain development. The coq4 F0 CRISPR zebrafish line particularly showed motor defects and cell reduction in a specific area of the hindbrain, a region reminiscent of the human cerebellum (PMID:33704555). Sources: Literature |
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| Hereditary ataxia with onset in adulthood v1.9 | SPR | Louise Daugherty Added phenotypes Dopa-responsive dystonia due to sepiaterin reductase deficiency, 612716 for gene: SPR | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary ataxia with onset in adulthood v1.8 | SPR | Louise Daugherty reviewed gene: SPR: Rating: AMBER; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary ataxia with onset in adulthood v1.7 | SPR | Tracy Lester reviewed gene: SPR: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: Dopa-responsive dystonia due to sepiaterin reductase deficiency, 612716; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary ataxia with onset in adulthood v1.2 | SPR | Louise Daugherty Source NHS GMS was added to SPR. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary ataxia with onset in adulthood v1.1 | SPR | Louise Daugherty Source Wessex and West Midlands GLH was added to SPR. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hereditary ataxia with onset in adulthood v0.2 | SPR |
Eleanor Williams gene: SPR was added gene: SPR was added to Hereditary ataxia - adult onset. Sources: Brain channelopathy v1.46,Expert Review Green Mode of inheritance for gene: SPR was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal Phenotypes for gene: SPR were set to Dystonia, dopa-responsive, due to sepiapterin reductase deficiency 612716 |
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