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Undiagnosed metabolic disorders v1.640 CPOX Ida Ertmanska Mode of inheritance for gene: CPOX was changed from BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.637 CPOX Ida Ertmanska changed review comment from: Comment on mode of inheritance: As reviewed by Sharon Whatley, variants in CPOX may cause autosomal dominant or autosomal recessive porphyria. Biallelic variants tend to cause earlier onset and more severe symptoms. Hence, the MOI should be changed from 'BOTH monoallelic and biallelic, autosomal or pseudoautosomal' to 'BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal'.
CPOX is associated with Coproporphyria 121300 (AR and AD) and Harderoporphyria 618892 (AR) in OMIM (accessed 20th Oct 2025).; to: Comment on mode of inheritance: As reviewed by Sharon Whatley, variants in CPOX may cause autosomal dominant or autosomal recessive porphyria. Monoallelic variants in CPOX have very low clinical penetrance (<1%) and may be challenging to report as diagnostic. Hence, BIALLELIC, autosomal or pseudoautosomal MOI would be more appropriate.
CPOX is associated with Coproporphyria 121300 (AR and AD) and Harderoporphyria 618892 (AR) in OMIM (accessed 20th Oct 2025).
Undiagnosed metabolic disorders v1.637 CPOX Ida Ertmanska Mode of inheritance for gene CPOX was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.634 CPOX Ida Ertmanska reviewed gene: CPOX: Rating: GREEN; Mode of pathogenicity: None; Publications: 6886003, 7757079, 8012360, 9454777, 10505225, 11074238, 11309681, 16159891, 21103937, 23236641, 23605133, 30828546, 33008663, 37540847, 38940544, 40296768; Phenotypes: Coproporphyria, OMIM:121300, Harderoporphyria, OMIM:618892; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.632 CPOX Sharon Whatley reviewed gene: CPOX: Rating: GREEN; Mode of pathogenicity: None; Publications: 38940544, 11309681, 37540847, 23236641, 11074238, 23605133, 16159891, 40296768, 33008663, 30828546, 21103937, 16159891, 10505225, 9454777, 7757079, 8012360, 6886003; Phenotypes: 121300, 618892; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.631 PPOX Sharon Whatley reviewed gene: PPOX: Rating: GREEN; Mode of pathogenicity: None; Publications: 38940544, 10486317, 8290408, 38940544, 37879139, 40114189, 33159949; Phenotypes: 176200, 620483; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.627 HMBS Sharon Whatley reviewed gene: HMBS: Rating: GREEN; Mode of pathogenicity: None; Publications: 38940544, 27539938, 14262853, 1577472, 15534187, 14970743, 27558376, 31153822, 34089223; Phenotypes: 176000, 620711, 620704; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.574 SPG7 Sarah Leigh Mode of inheritance for gene: SPG7 was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.573 SPG7 Sarah Leigh edited their review of gene: SPG7: Added comment: Associated with relevant phenotype in OMIM and as definitive Gen2Phen gene. Numerous biallelic SPG7 variants have been reported (PMIDs: 9635427; 16534102; 17646629; 18200586, 20186691; 22571692) and at least five monoallelic SPG7 variants have been associated with Spastic paraplegia 7, autosomal recessive, OMIM:607259 (PMIDs: 18200586; 22571692). For this reason, the mode of inheritance for this gene should be BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form) autosomal or pseudoautosomal.; Changed rating: GREEN; Changed mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.541 APOA5 Arina Puzriakova Mode of inheritance for gene: APOA5 was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.477 APOA5 Sarah Leigh commented on gene: APOA5: The Q3_21_MOI tag has been added to this gene as the MOI should be changed to - BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal.
Undiagnosed metabolic disorders v1.477 APOA5 Sarah Leigh edited their review of gene: APOA5: Added comment: Associated with relevant phenotype in OMIM and as confirmed Gen2Phen gene for familial hypertriglycidaemia. Both risk polymorphisms (PMID 12417525; 12915450) and rarer APOA5 variants have been identified in hyperchylomicronemia, late-onset (OMIM:144650) and susceptibility to hypertriglyceridemia (OMIM:145750)(PMID: 23307945; 27678447; 16200213). In general, cases carrying biallelic variants (both polymorphisms and rarer variants) have a severer phenotype than monoallelic carriers (PMID: 12417525; 23307945; 27678447; 16200213).; Changed mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.469 ABCB7 Ivone Leong Added comment: Comment on mode of inheritance: MOI changed from "X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)" to "X-LINKED: hemizygous mutation in males, biallelic mutations in females" as there is no evidence that carrier females have ataxia.
Undiagnosed metabolic disorders v1.469 ABCB7 Ivone Leong Mode of inheritance for gene: ABCB7 was changed from X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males) to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Undiagnosed metabolic disorders v1.406 SLC35A2 Catherine Snow reviewed gene: SLC35A2: Rating: GREEN; Mode of pathogenicity: None; Publications: 30746764; Phenotypes: Congenital disorder of glycosylation, type IIm, 300896; Mode of inheritance: X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Undiagnosed metabolic disorders v1.405 SLC3A1 Catherine Snow reviewed gene: SLC3A1: Rating: GREEN; Mode of pathogenicity: None; Publications: 12239244; Phenotypes: Cystinuria, 220100; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.400 SLC6A8 Catherine Snow reviewed gene: SLC6A8: Rating: GREEN; Mode of pathogenicity: None; Publications: 21660517; Phenotypes: Cerebral creatine deficiency syndrome 1, 300352; Mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females
Undiagnosed metabolic disorders v1.399 SLC7A9 Catherine Snow reviewed gene: SLC7A9: Rating: GREEN; Mode of pathogenicity: None; Publications: 12239244; Phenotypes: Cystinuria, 220100; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.396 TRAP1 Catherine Snow gene: TRAP1 was added
gene: TRAP1 was added to Undiagnosed metabolic disorders. Sources: Expert list
Mode of inheritance for gene: TRAP1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: TRAP1 were set to 24152966
Phenotypes for gene: TRAP1 were set to VACTERL; CAKUT
Review for gene: TRAP1 was set to GREEN
Added comment: Not in OMIM or Gene2Phenotype. Recessive mutations reported in 2 families with CAKUT, and 3 families with VACTERL. Metabolism phenotype as the encoded protein has ATPase activity and interacts with tumor necrosis factor type I.
Sources: Expert list
Undiagnosed metabolic disorders v1.384 VKORC1 Catherine Snow reviewed gene: VKORC1: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Vitamin K-dependent clotting factors, combined deficiency of, 2, 607473, Warfarin resistance, 122700; Mode of inheritance: BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Undiagnosed metabolic disorders v1.366 STS Catherine Snow reviewed gene: STS: Rating: GREEN; Mode of pathogenicity: None; Publications: 1539590, 29672931; Phenotypes: Ichthyosis, X-linked, 308100; Mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females
Undiagnosed metabolic disorders v1.249 PRPS1 Sarah Leigh Mode of inheritance for gene: PRPS1 was changed from X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males) to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Undiagnosed metabolic disorders v1.144 GK Sarah Leigh Mode of inheritance for gene: GK was changed from X-LINKED: hemizygous mutation in males, biallelic mutations in females to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Undiagnosed metabolic disorders v1.143 GK Sarah Leigh Mode of inheritance for gene: GK was changed from X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males) to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Undiagnosed metabolic disorders v1.97 NDUFA1 Ellen McDonagh Mode of inheritance for gene: NDUFA1 was changed from BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal to X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Undiagnosed metabolic disorders v1.78 MUT Louise Daugherty Tag new-gene-name tag was added to gene: MUT.
Undiagnosed metabolic disorders v1.78 MUT Louise Daugherty commented on gene: MUT