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Congenital myopathy v5.16 LETM1 Achchuthan Shanmugasundram Tag currently-not-available-via-GLH-non-WGS-testing was removed from gene: LETM1.
Congenital myopathy v4.44 LETM1 Achchuthan Shanmugasundram Tag currently-not-available-via-GLH-non-WGS-testing tag was added to gene: LETM1.
Congenital myopathy v4.42 LETM1 Achchuthan Shanmugasundram Tag Q3_23_promote_green was removed from gene: LETM1.
Tag Q3_23_NHS_review was removed from gene: LETM1.
Tag Q3_23_MOI was removed from gene: LETM1.
Congenital myopathy v4.42 LETM1 Achchuthan Shanmugasundram reviewed gene: LETM1: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Congenital myopathy v4.41 LETM1 Achchuthan Shanmugasundram Source Expert Review Green was added to LETM1.
Source NHS GMS was added to LETM1.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Congenital myopathy v4.33 LETM1 Eleanor Williams Tag Q3_23_NHS_review tag was added to gene: LETM1.
Congenital myopathy v4.30 LETM1 Sarah Leigh Tag Q3_23_NHS_review was removed from gene: LETM1.
Congenital myopathy v4.30 LETM1 Sarah Leigh changed review comment from: LETM1 variants have been associated with Neurodegeneration, childhood-onset, with multisystem involvement due to mitochondrial dysfunction, OMIM:620089 and as moderate Gen2Phen gene for LETM1-related neurodevelopmental disorder.
PMID: 36055214 reports 10 LETM1 variants in 18 patients from 11 unrelated families with childhood-onset neurodegeneration with multisystem involvement, many of whom were gathered using the GeneMatcher Program. The most common clinical features of this cohort, where an assessment could be made, were: mitochondrial respiratory complex deficiencies 11/11 (100%), global developmental delay / intellectual disability 17/18 (94%), bilateral sensorineural hearing loss 11/14 (78%) , impaired vision 10/10 (100%), cerebellar ataxia 7/9 (78%), seizures 10/15 (67%), hypotonia 11/18 (61%) (PMID: 36055214, figure 1c).; to: LETM1 variants have been associated with Neurodegeneration, childhood-onset, with multisystem involvement due to mitochondrial dysfunction, OMIM:620089 and as moderate Gen2Phen gene for LETM1-related neurodevelopmental disorder.
PMID: 36055214 reports 10 LETM1 variants in 18 patients from 11 unrelated families with childhood-onset neurodegeneration with multisystem involvement, many of whom were gathered using the GeneMatcher Program. The most common clinical features of this cohort, where an assessment could be made, were: mitochondrial respiratory complex deficiencies 11/11 (100%), global developmental delay / intellectual disability 17/18 (94%), bilateral sensorineural hearing loss 11/14 (78%) , impaired vision 10/10 (100%), cerebellar ataxia 7/9 (78%), seizures 10/15 (67%), hypotonia 11/18 (61%), myopathy 6/12 (50%) (PMID: 36055214, figure 1c).
Congenital myopathy v4.30 LETM1 Sarah Leigh Entity copied from Possible mitochondrial disorder - nuclear genes v3.42
Congenital myopathy v4.30 LETM1 Sarah Leigh gene: LETM1 was added
gene: LETM1 was added to Congenital myopathy. Sources: Expert Review,Expert Review Amber
Q3_23_promote_green, Q3_23_NHS_review, Q3_23_MOI tags were added to gene: LETM1.
Mode of inheritance for gene: LETM1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: LETM1 were set to 36055214; 33815143
Phenotypes for gene: LETM1 were set to Neurodegeneration, childhood-onset, with multisystem involvement due to mitochondrial dysfunction, OMIM:620089