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Mendeliome v2.0 LETM1 Gene migrated from ENSG00000168924 to ENSG00000168924 (gene set migration)
Mendeliome v1.3861 LETM1 Zornitza Stark edited their review of gene: LETM1: Changed publications: 36055214
Mendeliome v1.3861 LETM1 Zornitza Stark commented on gene: LETM1: The common features included respiratory chain complex deficiencies (100%), global developmental delay (94%), optic atrophy (83%), sensorineural hearing loss (78%), and cerebellar ataxia (78%) followed by epilepsy (67%), spasticity (53%), and myopathy (50%). Other features included bilateral cataracts (42%), cardiomyopathy (36%), and diabetes (27%).
Mendeliome v1.423 LETM1 Zornitza Stark Phenotypes for gene: LETM1 were changed from Mitochondrial disease MONDO#0044970, LETM1-related to Childhood-onset neurodegeneration with multisystem involvement due to mitochondrial dysfunction (CONDMIM), MIM#620089
Mendeliome v1.422 LETM1 Zornitza Stark edited their review of gene: LETM1: Changed phenotypes: Childhood-onset neurodegeneration with multisystem involvement due to mitochondrial dysfunction (CONDMIM), MIM#620089; Changed mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v1.374 LETM1 Zornitza Stark Marked gene: LETM1 as ready
Mendeliome v1.374 LETM1 Zornitza Stark Gene: letm1 has been classified as Green List (High Evidence).
Mendeliome v1.374 LETM1 Zornitza Stark reviewed gene: LETM1: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: ; Mode of inheritance: None
Mendeliome v1.374 LETM1 Zornitza Stark Classified gene: LETM1 as Green List (high evidence)
Mendeliome v1.374 LETM1 Zornitza Stark Gene: letm1 has been classified as Green List (High Evidence).
Mendeliome v1.372 LETM1 Ee Ming Wong gene: LETM1 was added
gene: LETM1 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: LETM1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: LETM1 were set to 36055214
Phenotypes for gene: LETM1 were set to Mitochondrial disease MONDO#0044970, LETM1-related
gene: LETM1 was marked as current diagnostic
Added comment: -18 affected individuals from 11 unrelated families harbouring ultra-rare bi-allelic missense and loss-of-function LETM1 variants
-Most of the affected individuals (14/18, 78%) had an infantile-onset disease manifestation,
and 4/18 (22%) presented first symptoms between the ages of 1.5 and 2 years
-Variant types included missense, frameshift, stop loss, in-frame deletion and splice defect
-From biochemical and morphological studies, bi-allelic LETM1 variants are associated with defective mitochondrial K efflux, swollen mitochondrial matrix structures, and loss of important mitochondrial oxidative phosphorylation protein components
Sources: Literature