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http://purl.uniprot.org/citations/28892806http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/28892806http://www.w3.org/2000/01/rdf-schema#comment"

Background/aims

Fabry disease (FD), an X-linked lysosomal storage disorder, leads to accumulation of globotriaosylceramide. Screening in dialysis patients may identify genetic variants of unknown clinical significance. We aimed to characterize the pathogenicity of a novel GLA gene mutation identified during hemodialysis screening and the histologic findings of early Fabry nephropathy.

Methods

One out of 108 male hemodialysis patients screened for FD presented low α-galactosidase A activity. A novel missense mutation (p.G35V) in the GLA gene was detected. Family screening identified 11 additional cases (8 women). Clinical investigation was conducted in 10 patients (index case and 9 relatives). Pathogenicity of the new mutation was investigated by clinical and laboratory tests, cardiac and cranial magnetic resonance imaging, and kidney biopsy.

Results

Cardiac manifestations were detected in most patient from both genders, such as left ventricular hypertrophy and short PR interval. White matter lesion was present in 3 women. Pulvinar lesion of the thalamus and ischemic stroke were detected in male patients. Abnormal glomerular filtration rate (GFR) and/or albuminuria were present in 5 patients (3 women). Renal biopsies (n = 7) revealed globotriaosylceramide deposits in different cell types and foot processes effacement in all patients, including women with normal albuminuria. Despite a normal GFR, tubulointerstitial fibrosis ranging from 5 to 20% was present in young women and men with normal or high albuminuria, respectively.

Conclusion

The novel missense mutation p.G35V leads to severe systemic manifestations of FD in men and women. Kidney histological changes, including tubulointerstitial fibrosis, may predate albuminuria and GFR changes in adult women. Novel non-invasive markers are required for early detection of Fabry nephropathy."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.org/dc/terms/identifier"doi:10.1159/000479895"xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"Barreto D.V."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"Barreto F.C."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"Ataides T.L."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"Canziani M.E.F."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"Pereira E.R.S."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"Veloso M.P."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"Veloso V.S.P."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"da Silva N.A."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/author"de Moura L.A.R."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/date"2018"xsd:gYear
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/name"Nephron"xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/pages"147-156"xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/title"A Novel Missense GLA Mutation (p.G35V) Detected in Hemodialysis Screening Leads to Severe Systemic Manifestations of Fabry Disease in Men and Women."xsd:string
http://purl.uniprot.org/citations/28892806http://purl.uniprot.org/core/volume"138"xsd:string
http://purl.uniprot.org/citations/28892806http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/28892806
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