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Short QT syndrome v3.7 SLC22A5 Sarah Leigh Mode of inheritance for gene: SLC22A5 was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal
Short QT syndrome v3.6 SLC22A5 Sarah Leigh edited their review of gene: SLC22A5: Changed mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Short QT syndrome v3.6 SLC22A5 Sarah Leigh changed review comment from: The mode of inheritance for SLC22A5 variants should be BOTH Monoallelic and Biallelic. Although, most of the evidence for symptoms associated SLC22A5 are seen in a patients with biallelic variants (HGNC:10969, OMIM:603377, Gen2Phen, Orphanet:118781, ClinGen), a few individuals heterozygous for SLC22A5 variants have been seen with a milder phenotype (PMID: 10545605; 11261427).; to: The mode of inheritance for SLC22A5 variants should be BIALLELIC, autosomal or pseudoautosomal. Although, heterozygous SLC22A5 variants have been seen in a few cases, these are detectable biochemically and are not associated with clear clinical presentation (PMID: 10545605; 11261427).
Short QT syndrome v3.6 SLC22A5 Sarah Leigh Mode of inheritance for gene: SLC22A5 was changed from BIALLELIC, autosomal or pseudoautosomal to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Short QT syndrome v3.5 SLC22A5 Sarah Leigh changed review comment from: The mode of inheritance for SLC22A5 variants should be BOTH Monoallelic and Biallelic. Although, most of the evidence for symptoms associated SLC22A5 are seen in a patients with biallelic variants (HGNC:10969, OMIM:603377, Gen2Phen, Orphanet:118781, ClinGen), a few instances have been reported in cases carrying heterozygous SLC22A5 variants (PMID: 10545605; 11261427).; to: The mode of inheritance for SLC22A5 variants should be BOTH Monoallelic and Biallelic. Although, most of the evidence for symptoms associated SLC22A5 are seen in a patients with biallelic variants (HGNC:10969, OMIM:603377, Gen2Phen, Orphanet:118781, ClinGen), a few individuals heterozygous for SLC22A5 variants have been seen with a milder phenotype (PMID: 10545605; 11261427).
Short QT syndrome v3.5 SLC22A5 Sarah Leigh Phenotypes for gene: SLC22A5 were changed from arrhythmia; short QT; cardiomyopathy; primary carnitine deficiency; Carnitine deficiency, systemic primary 212140 to Carnitine deficiency, systemic primary, OMIM:212140; systemic primary carnitine deficiency disease, MONDO:0008919
Short QT syndrome v3.4 SLC22A5 Sarah Leigh Publications for gene: SLC22A5 were set to 7254270; 7131143; 26190315; 29198778
Short QT syndrome v3.3 SLC22A5 Sarah Leigh edited their review of gene: SLC22A5: Added comment: The mode of inheritance for SLC22A5 variants should be BOTH Monoallelic and Biallelic. Although, most of the evidence for symptoms associated SLC22A5 are seen in a patients with biallelic variants (HGNC:10969, OMIM:603377, Gen2Phen, Orphanet:118781, ClinGen), a few instances have been reported in cases carrying heterozygous SLC22A5 variants (PMID: 10545605; 11261427).; Changed publications to: 10545605, 11261427
Short QT syndrome v3.3 SLC22A5 Sarah Leigh edited their review of gene: SLC22A5: Changed mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Short QT syndrome v3.3 SLC22A5 Sarah Leigh Deleted their comment
Short QT syndrome v3.3 SLC22A5 Sarah Leigh Added comment: Comment on mode of inheritance: The mode of inheritance is being changed from Monoallelic to Biallelic, as there is no published evidence for monoallelic inheritance of conditions associated with variants in SLC22A5 (HGNC:10969, OMIM:603377, Gen2Phen, Orphanet:118781, ClinGen).
Short QT syndrome v3.3 SLC22A5 Sarah Leigh Mode of inheritance for gene: SLC22A5 was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal
Short QT syndrome v1.24 SLC22A5 Ivone Leong Classified gene: SLC22A5 as Red List (low evidence)
Short QT syndrome v1.24 SLC22A5 Ivone Leong Added comment: Comment on list classification: Demoted from Green to Red as the GMS Cardiology specialist group feels that this gene should not be on this panel.
Short QT syndrome v1.24 SLC22A5 Ivone Leong Gene: slc22a5 has been classified as Red List (Low Evidence).
Short QT syndrome v1.23 SLC22A5 Juan Pablo Kaski reviewed gene: SLC22A5: Rating: GREEN; Mode of pathogenicity: None; Publications: 26190315, 29198778, 31472821; Phenotypes: ; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Short QT syndrome v1.23 SLC22A5 Ivone Leong edited their review of gene: SLC22A5: Changed rating: RED
Short QT syndrome v1.23 SLC22A5 Ivone Leong edited their review of gene: SLC22A5: Added comment: Submitted on behalf of the GMS Cardiology specialist group. The group has agreed that this gene should be Red on this panel.; Changed rating: AMBER
Short QT syndrome v1.21 SLC22A5 Ivone Leong Added comment: Comment on mode of inheritance: Phenotype changed due to expert reviews.
Short QT syndrome v1.21 SLC22A5 Ivone Leong Mode of inheritance for gene: SLC22A5 was changed from BIALLELIC, autosomal or pseudoautosomal to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Short QT syndrome v1.20 SLC22A5 James Eden reviewed gene: SLC22A5: Rating: RED; Mode of pathogenicity: None; Publications: 26190315; Phenotypes: Carnitine deficiency, systemic primary 212140; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Short QT syndrome v1.20 SLC22A5 Ivone Leong Source West Midlands, Oxford and Wessex GLH was added to SLC22A5.
Short QT syndrome v1.10 SLC22A5 Rebecca Whittington commented on gene: SLC22A5: Carnitine deficiency, systemic primary 212140
Short QT syndrome v1.9 SLC22A5 Rebecca Whittington commented on gene: SLC22A5: Not associated with SQT
Short QT syndrome v1.8 SLC22A5 Rebecca Whittington reviewed gene: SLC22A5: Rating: RED; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Short QT syndrome v1.7 SLC22A5 Ellen McDonagh Source South West GLH was added to SLC22A5.
Mode of inheritance for gene SLC22A5 was changed from MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown to BIALLELIC, autosomal or pseudoautosomal
Short QT syndrome v1.6 SLC22A5 Ellen McDonagh reviewed gene: SLC22A5: Rating: AMBER; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Short QT syndrome v1.5 SLC22A5 Ellen McDonagh Source London South GLH was added to SLC22A5.
Short QT syndrome v1.2 SLC22A5 Oxford Medical Genetics Laboratory reviewed gene: SLC22A5: Rating: AMBER; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Short QT syndrome v0.17 SLC22A5 Sarah Leigh Phenotypes for gene: SLC22A5 were changed from arrhythmia; short QT; cardiomyopathy; primary carnitine deficiency to arrhythmia; short QT; cardiomyopathy; primary carnitine deficiency; Carnitine deficiency, systemic primary 212140
Short QT syndrome v0.16 SLC22A5 Sarah Leigh Publications for gene: SLC22A5 were set to PMID: 7254270; 7131143; 26190315; 29198778
Short QT syndrome v0.2 SLC22A5 Sarah Leigh Source Expert Review Green was added to SLC22A5.
Mode of inheritance for gene SLC22A5 was changed from MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Rating Changed from No List (delete) to Green List (high evidence)
Short QT syndrome v0.1 SLC22A5 Jules Hancox gene: SLC22A5 was added
gene: SLC22A5 was added to Short QT syndrome. Sources: Literature
Mode of inheritance for gene: SLC22A5 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: SLC22A5 were set to PMID: 7254270; 7131143; 26190315; 29198778
Phenotypes for gene: SLC22A5 were set to arrhythmia; short QT; cardiomyopathy; primary carnitine deficiency
Review for gene: SLC22A5 was set to GREEN
Added comment: SLC22A5 loss of function mutations lead to defective OCTN2, which leads to primary carnitine deficiency.

PCD has been recognised for a long time. Autosomal recessive, although some heterozygotes can display symptoms. PCD impairs carnitine uptake into cardiac myocytes, leads to impaired long chain fatty acid uptake into mitochondria. It leads to a cardiomyopathy (dilated) and there is an association with arrhytomogenesis. There is now good evidence that PCD produces a short QT phenoype in humans and in an animal model, though the precise mechanism is unknown. It is important to include SLC22A5 screening on a panel for SQTS, particularly where there is evidence for cardiomyopathy, because when it is identified it can be treated with dietary L-carnitine supplementation.

Additional case report: https://www.hindawi.com/journals/cric/2018/3232105/
Sources: Literature