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Mitochondrial disorders v2.64 KIAA0391 Sarah Leigh commented on gene: KIAA0391: PRORP is the HGNC approved gene name for KIAA0391 https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:19958
Mitochondrial disorders v2.57 HTT Arina Puzriakova Added comment: Comment on mode of inheritance: Lack of phenotypic relevance for SNVs - nucleotide repeat expansion mechanism
Mitochondrial disorders v2.57 HTT Arina Puzriakova Mode of inheritance for gene: HTT was changed from MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown to Other
Mitochondrial disorders v2.56 HTT Arina Puzriakova Phenotypes for gene: HTT were changed from Huntington disease, 143100 to Huntington disease, OMIM:143100
Mitochondrial disorders v2.55 HTT Arina Puzriakova Tag nucleotide-repeat-expansion tag was added to gene: HTT.
Tag currently-ngs-unreportable tag was added to gene: HTT.
Mitochondrial disorders v1.412 HTT Sarah Leigh reviewed gene: HTT: Rating: RED; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Mitochondrial disorders v1.411 HTT Sarah Leigh gene: HTT was added
gene: HTT was added to Mitochondrial disorders. Sources: NHS GMS,Expert Review Red
Mode of inheritance for gene: HTT was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Phenotypes for gene: HTT were set to Huntington disease, 143100
Mitochondrial disorders v1.410 PITRM1 Catherine Snow Added comment: Comment on list classification: PITRM1 identified by expert review by Konstantinos Varvagiannis on Intellectual Disability Panel https://panelapp.genomicsengland.co.uk/panels/285/.

Currently no OMIM or G2P phenotypes terms associated with the gene.

PMID: 29764912 reports on 2 consanguineous Palestinian families each with 2 affected boys. Both Palenstinian families are from Arab descent but are from different locale. PMID: 26697887 reports 2 siblings from a consanguineous Norwegian family homozygous for a missense variant (NM_014889.2:c.548G> or p.Arg183Gln). Although there is some functional work (PMID: 29383861) phenotypes are varied in severity.

There are sufficient unrelated families (>3) for PITRM1 to be classified as Green and PITRM1 is a mitochondrial matrix enzyme so therefore relevant to this panel.
Mitochondrial disorders v1.317 DNM2 Sarah Leigh Added comment: Comment on list classification: This gene was added as Green due to the overall review and evidence assessment from the GMS mitochondrial specialist test group, submitted by Carl Fratter (May 2019) on behalf of GMS mitochondrial specialist test group: 1 case with multiple deletions and COX negative fibres; 5 cases presented in a poster with dominant DMN2 variants (had COX deficient muscle fibres, one case with the p.Arg369Trp revealed disruption of the dynamic mitochondrial network, https://doi.org/10.1016/j.nmd.2012.06.124).
From panel: Possible mitochondrial disorder - nuclear genes (Version 0.187).