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Bi-allelic LETM1 variants perturb mitochondrial ion homeostasis leading to a cl...
Kaiyrzhanov, Rauan; Mohammed, Sami E.M.; Maroofian, Reza; Husain, Ralf A.; Catania, Alessia; Torraco, Alessandra; Alahmad, Ahmad; Dutra-Clarke, MarinaLeucine zipper-EF-hand containing transmembrane protein 1 (LETM1) encodes an inner mitochondrial membrane protein with an osmoregulatory function controlling mitochondrial volume and ion homeostasis. The putative association of LETM1 with a human disease was initially suggested in Wolf-Hirschhorn syndrome, a disorder that results from de novo monoallelic deletion of chromosome 4p16.3, a region encompassing LETM...
Phase I/II trial of liver–derived mesenchymal stem cells in pediatric liver–bas...
Smets, Françoise; Dobbelaere, Dries; McKiernan, Patrick; Dionisi-Vici, Carlo; Broué, Pierre; Jacquemin, Emmanuel; Lopes, Ana Isabel; Gonçalves, IsabelRegenerative medicine using stem cell technology is an emerging field that is currently tested for inborn and acquired liver diseases. Objective. This phase I/II prospective, open label, multicenter, randomized trial aimed primarily at evaluating the safety of Heterologous Human Adult Liver–derived Progenitor Cells (HepaStem) in pediatric patients with urea cycle disorders (UCDs) or Crigler-Najjar (CN) syndrome...
Newborn screening for homocystinurias: recent recommendations versus current pr...
Keller, Rebecca; Chrastina, Petr; Pavlíková, Markéta; Gouveia, Sofía; Ribes, Antonia; Kölker, Stefan; Blom, Henk J.; Baumgartner, Matthias R.Purpose: To assess how the current practice of newborn screening (NBS) for homocystinurias compares with published recommendations. Methods: Twenty-two of 32 NBS programmes from 18 countries screened for at least one form of homocystinuria. Centres provided pseudonymised NBS data from patients with cystathionine beta-synthase deficiency (CBSD, n = 19), methionine adenosyltransferase I/III deficiency (MATI/IIID,...
Guidelines for diagnosis and management of the cobalamin-related remethylation ...
Huemer, Martina; Diodato, Daria; Schwahn, Bernd; Schiff, Manuel; Bandeira, Anabela; Benoist, Jean-Francois; Burlina, Alberto; Cerone, RobertoBackground: Remethylation defects are rare inherited disorders in which impaired remethylation of homocysteine to methionine leads to accumulation of homocysteine and perturbation of numerous methylation reactions. Objective: To summarise clinical and biochemical characteristics of these severe disorders and to provide guidelines on diagnosis and management. Data sources: Review, evaluation and discussion of th...
Guidelines for diagnosis and management of the cobalamin-related remethylation ...
Huemer, Martina; Diodato, Daria; Schwahn, Bernd; Schiff, Manuel; Bandeira, Anabela; Benoist, Jean-Francois; Burlina, Alberto; Cerone, RobertoBackground: Remethylation defects are rare inherited disorders in which impaired remethylation of homocysteine to methionine leads to accumulation of homocysteine and perturbation of numerous methylation reactions. Objective: To summarise clinical and biochemical characteristics of these severe disorders and to provide guidelines on diagnosis and management. Data sources: Review, evaluation and discussion of th...