Abstract:
:Brown-Vialetto-Van Laere syndrome (BVVLS [MIM 211530]) is a rare neurological disorder characterized by infancy onset sensorineural deafness and ponto-bulbar palsy. Mutations in SLC52A3 (formerly C20orf54), coding for riboflavin transporter 2 (hRFT2), have been identified as the molecular genetic correlate in several individuals with BVVLS. Exome sequencing of just one single case revealed that compound heterozygosity for two pathogenic mutations in the SLC52A2 gene coding for riboflavin transporter 3 (hRFT3), another member of the riboflavin transporter family, is also associated with BVVLS. Overexpression studies confirmed that the gene products of both mutant alleles have reduced riboflavin transport activities. While mutations in SLC52A3 cause decreased plasma riboflavin levels, concordant with a role of SLC52A3 in riboflavin uptake from food, the SLC52A2-mutant individual had normal plasma riboflavin concentrations, a finding in line with a postulated function of SLC52A2 in riboflavin uptake from blood into target cells. Our results contribute to the understanding of human riboflavin metabolism and underscore its role in the pathogenesis of BVVLS, thereby providing a rational basis for a high-dose riboflavin treatment.
journal_name
J Inherit Metab Disjournal_title
Journal of inherited metabolic diseaseauthors
Haack TB,Makowski C,Yao Y,Graf E,Hempel M,Wieland T,Tauer U,Ahting U,Mayr JA,Freisinger P,Yoshimatsu H,Inui K,Strom TM,Meitinger T,Yonezawa A,Prokisch Hdoi
10.1007/s10545-012-9513-ysubject
Has Abstractpub_date
2012-11-01 00:00:00pages
943-8issue
6eissn
0141-8955issn
1573-2665journal_volume
35pub_type
杂志文章abstract::Understanding the relationship between genotype and clinical phenotype will clearly aid in the prognosis, treatment and counselling of patients with lysosomal storage diseases (LSDs). This, however, will require the establishment of widely accepted indices with which to score the severity of LSDs, as these diseases ar...
journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章,评审
doi:10.1023/a:1012419823739
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abstract::Succinic semialdehyde dehydrogenase (SSAD) is an enzyme involved in the turnover of the neurotransmitter 4-aminobutyrate (GABA). Deficiency of SSAD results in developmental delay, ataxia, seizures and 4-hydroxybutyric aciduria. We have developed a simple fluorimetric assay for the enzyme and applied it to measurement ...
journal_title:Journal of inherited metabolic disease
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doi:10.1007/BF00711509
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journal_title:Journal of inherited metabolic disease
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
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更新日期:1993-01-01 00:00:00
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journal_title:Journal of inherited metabolic disease
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abstract::Menkes disease (MD) is a neurodegenerative disorder characterized by a copper deficiency in the brain. It is caused by the defective intestinal absorption of copper resulting from a deficiency of a copper-transporting ATPase, ATP7A. This gives rise to an accumulation of copper in the intestine. The copper deficiency i...
journal_title:Journal of inherited metabolic disease
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/s10545-012-9527-5
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1023/a:1005694320063
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章,评审
doi:10.1023/a:1005300621350
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1023/a:1005655031239
更新日期:2000-02-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1002/jimd.12339
更新日期:2020-12-17 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章,评审
doi:10.1007/s10545-008-1040-5
更新日期:2009-04-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/BF00710288
更新日期:1993-01-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/BF02312521
更新日期:1980-01-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/s10545-010-9112-8
更新日期:2010-10-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/BF01805427
更新日期:1985-01-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/BF02263578
更新日期:1981-01-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/BF01800350
更新日期:1992-01-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章,评审
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abstract:: ...
journal_title:Journal of inherited metabolic disease
pub_type: 社论
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章,评审
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journal_title:Journal of inherited metabolic disease
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doi:10.1007/s10545-012-9483-0
更新日期:2012-07-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1023/B:BOLI.0000045759.12935.76
更新日期:2004-01-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/s10545-006-0388-7
更新日期:2006-10-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/BF01805595
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journal_title:Journal of inherited metabolic disease
pub_type:
doi:10.1007/s10545-014-9731-6
更新日期:2014-09-01 00:00:00
abstract::We report two novel mutations in two Japanese patients with glycogen storage disease type IIIa (GSD IIIa). In addition, we review the literature on mutations in GSD III to understand better the molecular basis of GSD III. In our first case, the homozygous A-to-C mutation at the acceptor site of intron 5 (IVS5-2A > C) ...
journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1023/a:1005695229464
更新日期:2000-03-01 00:00:00
abstract::In a series of 137 patients with methylmalonic acidaemia (MMA) and propionic acidaemia (PA) diagnosed since the early 1970s, we report in more detail 81 patients (51 MMA and 30 PA) diagnosed between 1988 and 2005. In this series, 14% of patients died at initial access revealing the disease before or despite treatment,...
journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章
doi:10.1007/s10545-006-0351-7
更新日期:2006-04-01 00:00:00
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journal_title:Journal of inherited metabolic disease
pub_type: 杂志文章,评审
doi:10.1007/BF01799618
更新日期:1992-01-01 00:00:00
abstract::Early signs of renal dysfunction in glycogen storage disease type Ia (GSD Ia) are glomerular hyperfiltration and proteinuria. In a non-randomized study, the effect of captopril on the improvement of proteinuria in GSD Ia patients with microalbuminuria was investigated. A positive effect has been shown for the insulin-...
journal_title:Journal of inherited metabolic disease
pub_type: 临床试验,杂志文章
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更新日期:2000-07-01 00:00:00