Publicaties
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"Hide and seek": Misleading transferrin variants in PMM2-CDG complicate diagnostics KU Leuven
PURPOSE: Congenital disorders of glycosylation (CDG) are one of the fastest growing groups of inborn errors of metabolism. Despite the availability of next-generation sequencing techniques and advanced methods for evaluation of glycosylation, CDG screening mainly relies on the analysis of serum transferrin (Tf) by isoelectric focusing, HPLC or capillary electrophoresis. The main pitfall of this screening method is the presence of Tf protein ...
Tacrolimus Drug Exposure Level and Smoking Are Modifiable Risk Factors for Early De Novo Malignancy After Liver Transplantation for Alcohol-Related Liver Disease KU Leuven
De novo malignancy (DNM) is the primary cause of mortality after liver transplantation (LT) for alcohol-related liver disease (ALD). However, data on risk factors for DNM development after LT are limited, specifically in patients with ALD. Therefore, we retrospectively analyzed all patients transplanted for ALD at our center before October 2016. Patients with a post-LT follow-up of <12 months, DNM within 12 months after LT, patients not on ...
Heterozygous mutations in the C-terminal domain of COPA underlie a complex autoinflammatory syndrome. KU Leuven Vlaams Instituut voor Biotechnologie
Mutations in the N-terminal WD40 domain of coatomer protein complex subunit α (COPA) cause a type I interferonopathy, typically characterized by alveolar hemorrhage, arthritis, and nephritis. We described 3 heterozygous mutations in the C-terminal domain (CTD) of COPA (p.C1013S, p.R1058C, and p.R1142X) in 6 children from 3 unrelated families with a similar syndrome of autoinflammation and autoimmunity. We showed that these CTD COPA mutations ...
Brain function in classic galactosemia, a galactosemia network (GalNet) members review. KU Leuven
Classic galactosemia (CG, OMIM #230400, ORPHA: 79,239) is a hereditary disorder of galactose metabolism that, despite treatment with galactose restriction, affects brain function in 85% of the patients. Problems with cognitive function, neuropsychological/social emotional difficulties, neurological symptoms, and abnormalities in neuroimaging and electrophysiological assessments are frequently reported in this group of patients, with an enormous ...
Quality of life of adult patients with hereditary fructose intolerance KU Leuven
BACKGROUND: Although patients with hereditary fructose intolerance (HFI) generally have a good prognosis on a fructose-restricted diet, relatively little is known about their quality of life. The aim of this study was to investigate the quality of life in adult patients with HFI in comparison to patients with dietary-treated, classical phenylketonuria (PKU). METHODS: Patients with HFI and patients with classical PKU were recruited from the adult ...
Beyond genetics: Deciphering the impact of missense variants in CAD deficiency KU Leuven
CAD is a large, 2225 amino acid multienzymatic protein required for de novo pyrimidine biosynthesis. Pathological CAD variants cause a developmental and epileptic encephalopathy which is highly responsive to uridine supplements. CAD deficiency is difficult to diagnose because symptoms are nonspecific, there is no biomarker, and the protein has over 1000 known variants. To improve diagnosis, we assessed the pathogenicity of 20 unreported missense ...
Tracer metabolomics reveals the role of aldose reductase in glycosylation KU Leuven Vlaams Instituut voor Biotechnologie
Abnormal polyol metabolism is predominantly associated with diabetes, where excess glucose is converted to sorbitol by aldose reductase (AR). Recently, abnormal polyol metabolism has been implicated in phosphomannomutase 2 congenital disorder of glycosylation (PMM2-CDG) and an AR inhibitor, epalrestat, proposed as a potential therapy. Considering that the PMM2 enzyme is not directly involved in polyol metabolism, the increased polyol production ...