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Mitochondrial disorders v9.43 TOMM7 Ida Ertmanska Tag Q2_25_ promote_green was removed from gene: TOMM7.
Mitochondrial disorders v9.43 TOMM7 Ida Ertmanska reviewed gene: TOMM7: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Mitochondrial disorders v9.42 TOMM7 Ida Ertmanska Source NHS GMS was added to TOMM7.
Source Expert Review Green was added to TOMM7.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Mitochondrial disorders v9.15 TOMM7 Achchuthan Shanmugasundram edited their review of gene: TOMM7: Changed rating: GREEN; Changed mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mitochondrial disorders v9.14 TOMM7 Achchuthan Shanmugasundram Classified gene: TOMM7 as Amber List (moderate evidence)
Mitochondrial disorders v9.14 TOMM7 Achchuthan Shanmugasundram Added comment: Comment on list classification: As there are three unrelated cases reported with biallelic TOMM7 variants and this gene has already been recommended for green rating on R63 Possible mitochondrial disorder - nuclear genes (https://panelapp.genomicsengland.co.uk/panels/539/gene/TOMM7/) panel, this gene is being recommended for promotion to green rating on this panel too.
Mitochondrial disorders v9.14 TOMM7 Achchuthan Shanmugasundram Gene: tomm7 has been classified as Amber List (Moderate Evidence).
Mitochondrial disorders v9.13 TOMM7 Achchuthan Shanmugasundram Tag Q3_24_promote_green was removed from gene: TOMM7.
Tag Q3_24_NHS_review was removed from gene: TOMM7.
Tag Q2_25_ promote_green tag was added to gene: TOMM7.
Mitochondrial disorders v9.13 TOMM7 Achchuthan Shanmugasundram Entity copied from Possible mitochondrial disorder - nuclear genes v4.6
Mitochondrial disorders v9.13 TOMM7 Achchuthan Shanmugasundram gene: TOMM7 was added
gene: TOMM7 was added to Mitochondrial disorders. Sources: Literature,Expert Review Amber
Q3_24_promote_green, Q3_24_NHS_review tags were added to gene: TOMM7.
Mode of inheritance for gene: TOMM7 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: TOMM7 were set to 36282599; 36299998; 39333057
Phenotypes for gene: TOMM7 were set to Garg-Mishra progeroid syndrome, OMIM:620601; Garg-Mishra progeroid syndrome, MONDO:0957953
Mitochondrial disorders v2.8 TOMM70 Eleanor Williams Classified gene: TOMM70 as Amber List (moderate evidence)
Mitochondrial disorders v2.8 TOMM70 Eleanor Williams Gene: tomm70 has been classified as Amber List (Moderate Evidence).
Mitochondrial disorders v2.7 TOMM70 Eleanor Williams gene: TOMM70 was added
gene: TOMM70 was added to Mitochondrial disorders. Sources: Literature
Mode of inheritance for gene: TOMM70 was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Publications for gene: TOMM70 were set to 31907385; 32356556
Phenotypes for gene: TOMM70 were set to Severe anaemia, lactic acidosis; developmental delay; white matter abnormalities
Review for gene: TOMM70 was set to AMBER
Added comment: Not associated with a disease phenotype in OMIM or Gene2Phenotype

PMID: 31907385 - Wei et al 2020 - report a patient with severe anemia, lactic acidosis, and developmental delay in which two compound heterozygous variants in TOMM70 [c.794C>T (p.T265M) and c.1745C>T (p.A582V)] were identified. Functional studies showed that patient-derived cells exhibited multi-oxidative phosphorylation system (OXPHOS) complex defects. Abstract only accessed.

PMID: 32356556 - Dutta et al 2020 - report 2 patients with de novo heterozygous missense variants in the C-terminal region of TOMM70. Both patients had shared symptoms including hypotonia, hyper-reflexia, ataxia, dystonia and significant white matter abnormalities. Patient 1 showed severe global developmental delay. However, for patient 1 a neurodevelopmental disorder was noted in infancy, but patient 2 developed as normal until age 4 when neurological regression occurred. Some functional data from Drosophila show that the variants cause partial loss of function.

3 cases but different mode of inheritance and phenotypic presentation.
Sources: Literature