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Optic Atrophy v1.22 MIEF1 Lucy Spencer gene: MIEF1 was added
gene: MIEF1 was added to Optic Atrophy. Sources: Literature
Mode of inheritance for gene: MIEF1 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: MIEF1 were set to 33632269
Phenotypes for gene: MIEF1 were set to Optic atrophy 14 (MIM#620550)
Review for gene: MIEF1 was set to AMBER
Added comment: PMID: 33632269
Inherited optic neuropathies cohort from france with nothing found in OPA1, OPA3 and WFS1 or mtDNA. 2 individuals (55 and 47yo) found to have missense variant in MIEF1, p.Arg146Trp has 35 hets 0 homs in gnomad, p.Tyr240Asn is absent. Both have non-syndromic late onset inherited optic neuropathies characterized by initial loss of peripheral visual fields.

Functional studies in HeLa cells- both missense localised to the mitochondria and formed oligomers similar to WT. MIEF1 normally regulates mitochondrial fission dynamics and causes an increase in mitochondrial fusion events, however both missense variants caused a significantly decreased mitochondrial fusion events.
Sources: Literature
Optic Atrophy v0.94 WFS1 Zornitza Stark Phenotypes for gene: WFS1 were changed from Wolfram syndrome 1, autosomal recessive, MIM# 222300; Wolfram-like syndrome, autosomal dominant 61, MIM#Wolfram syndrome 1, autosomal recessive, MIM# 222300; Wolfram-like syndrome, autosomal dominant, MIM#614296 to Wolfram syndrome 1, autosomal recessive, MIM# 222300; Wolfram-like syndrome, autosomal dominant, MIM#614296
Optic Atrophy v0.93 WFS1 Zornitza Stark Marked gene: WFS1 as ready
Optic Atrophy v0.93 WFS1 Zornitza Stark Gene: wfs1 has been classified as Green List (High Evidence).
Optic Atrophy v0.93 WFS1 Zornitza Stark Phenotypes for gene: WFS1 were changed from to Wolfram syndrome 1, autosomal recessive, MIM# 222300; Wolfram-like syndrome, autosomal dominant 61, MIM#Wolfram syndrome 1, autosomal recessive, MIM# 222300; Wolfram-like syndrome, autosomal dominant, MIM#614296
Optic Atrophy v0.92 WFS1 Zornitza Stark Mode of inheritance for gene: WFS1 was changed from Unknown to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Optic Atrophy v0.91 WFS1 Zornitza Stark reviewed gene: WFS1: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Wolfram syndrome 1, autosomal recessive, MIM# 222300, Wolfram-like syndrome, autosomal dominant 61, MIM#4296; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Optic Atrophy v0.0 WFS1 Zornitza Stark gene: WFS1 was added
gene: WFS1 was added to Optic Atrophy_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: WFS1 was set to Unknown