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Inherited metabolic diseases

The inherited metabolic diseases (IMD) section publishes original research (clinical, biochemical, and genetic), well-phenotyped case series, clinical trial outcome reports, and comprehensive reviews of rare inherited disorders of metabolism.

Submissions that increase our understanding or make new observations regarding IMD are particularly welcome. Detailed natural history studies of well-phenotyped case series, and publication of consensus statements on investigation and management of IMD, including collaborations between centres, are encouraged.

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  1. Content type: Review

    The use of specialized centers has been the main alternative for an appropriate diagnosis, management and follow up of patients affected by inborn errors of metabolism (IEM). These centers facilitate the train...

    Authors: Olga Y. Echeverri, Johana M. Guevara, Ángela J. Espejo-Mojica, Andrea Ardila, Ninna Pulido, Magda Reyes, Alexander Rodriguez-Lopez, Carlos J. Alméciga-Díaz and Luis A. Barrera

    Citation: Orphanet Journal of Rare Diseases 2018 13:141

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  2. Content type: Research

    Niemann-Pick disease type C (NPC) is a lysosomal storage disease with a heterogeneous neurodegenerative clinical course. Multiple therapies are in clinical trials and inclusion criteria are currently mainly ba...

    Authors: Mario Cortina-Borja, Danielle te Vruchte, Eugen Mengel, Yasmin Amraoui, Jackie Imrie, Simon A. Jones, Christine i Dali, Paul Fineran, Thomas Kirkegaard, Heiko Runz, Robin Lachmann, Tatiana Bremova-Ertl, Michael Strupp and Frances M. Platt

    Citation: Orphanet Journal of Rare Diseases 2018 13:143

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  3. Content type: Research

    Hypophosphatasia (HPP) is a rare, heterogeneous disease caused by low tissue-nonspecific alkaline phosphatase activity and associated with a range of signs and symptoms, including bone mineralization defects, ...

    Authors: Anjali B. Daniel, Vrinda Saraff, Nick J. Shaw, Robert Yates, M. Zulf Mughal and Raja Padidela

    Citation: Orphanet Journal of Rare Diseases 2018 13:142

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  4. Content type: Research

    Infantile Sandhoff disease (ISD) is a GM2 gangliosidosis that is classified as a lysosomal storage disorder. The most common symptoms of affected individuals at presentation are neurologic involvement. Here we...

    Authors: Ali Reza Tavasoli, Nima Parvaneh, Mahmoud Reza Ashrafi, Zahra Rezaei, Johannes Zschocke and Parastoo Rostami

    Citation: Orphanet Journal of Rare Diseases 2018 13:130

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  5. Content type: Research

    Cellular cobalamin defects are a locus and allelic heterogeneous disorder. The gold standard for coming to genetic diagnoses of cobalamin defects has for some time been gene-by-gene Sanger sequencing of indivi...

    Authors: Sandra Brasil, Fátima Leal, Ana Vega, Rosa Navarrete, María Jesús Ecay, Lourdes R. Desviat, Casandra Riera, Natàlia Padilla, Xavier de la Cruz, Mari Luz Couce, Elena Martin-Hernández, Ana Morais, Consuelo Pedrón, Luis Peña-Quintana, Miriam Rigoldi, Norma Specola…

    Citation: Orphanet Journal of Rare Diseases 2018 13:125

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  6. Content type: Research

    Mitochondrial trifunctional protein (MTP) and long-chain 3-hydroxyacyl-CoA dehydrogenase (LCHAD) deficiency are long-chain fatty acid oxidation disorders with particularly high morbidity and mortality. Outcome...

    Authors: Amelie S. Lotz-Havla, Wulf Röschinger, Katharina Schiergens, Katharina Singer, Daniela Karall, Vassiliki Konstantopoulou, Saskia B. Wortmann and Esther M. Maier

    Citation: Orphanet Journal of Rare Diseases 2018 13:122

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  7. Content type: Research

    Our objective was to evaluate children with metabolic diseases in paediatric palliative home care (PPC) and the process of decision-making. This study was conducted as single-centre retrospective cohort study ...

    Authors: Jessica I. Hoell, Jens Warfsmann, Felix Distelmaier, Arndt Borkhardt, Gisela Janßen and Michaela Kuhlen

    Citation: Orphanet Journal of Rare Diseases 2018 13:112

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  8. Content type: Research

    In patients with phenylketonuria (PKU), a low-phenylalanine (Phe) diet supplemented with low-protein foods and a Phe-free amino acid mixture favors a dietary intake rich in carbohydrates, but little is known a...

    Authors: María L. Couce, Paula Sánchez-Pintos, Isidro Vitoria, María-José De Castro, Luís Aldámiz-Echevarría, Patricia Correcher, Ana Fernández-Marmiesse, Iria Roca, Alvaro Hermida, Miguel Martínez-Olmos and Rosaura Leis

    Citation: Orphanet Journal of Rare Diseases 2018 13:103

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  9. Content type: Research

    Despite early and ongoing dietary management with a phe-restricted diet, suboptimal neuropsychological function has been observed in PKU. The restrictive nature of the PKU diet may expose patients to sub-optim...

    Authors: Gina A. Montoya Parra, Rani H. Singh, Aysun Cetinyurek-Yavuz, Mirjam Kuhn and Anita MacDonald

    Citation: Orphanet Journal of Rare Diseases 2018 13:101

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  10. Content type: Research

    Hyperammonaemia is a key sign of decompensation in organic acidurias (OAs) and can contribute to severe neurological complications, thus requiring rapid treatment.

    Authors: Anupam Chakrapani, Vassili Valayannopoulos, Nuria García Segarra, Mireia Del Toro, Maria Alice Donati, Angeles García-Cazorla, María Julieta González, Celine Plisson and Vincenzo Giordano

    Citation: Orphanet Journal of Rare Diseases 2018 13:97

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  11. Content type: Research

    Homozygous familial hypercholesterolaemia (HoFH) is characterized by a markedly increased risk of premature cardiovascular (CV) events and cardiac death. Lomitapide reduces low-density lipoprotein cholesterol ...

    Authors: Dirk J. Blom, Marina Cuchel, Miranda Ager and Helen Phillips

    Citation: Orphanet Journal of Rare Diseases 2018 13:96

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  12. Content type: Review

    5,10-Methylene-tetrahydrofolate reductase (MTHFR) deficiency is a genetic disorder that can occur at any age and can be easily detected by increased homocysteinemia. In adolescence/adult onset forms, the clini...

    Authors: Ana Gales, Marion Masingue, Stephanie Millecamps, Stephane Giraudier, Laure Grosliere, Claude Adam, Claudio Salim, Vincent Navarro and Yann Nadjar

    Citation: Orphanet Journal of Rare Diseases 2018 13:29

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  13. Content type: Research

    Rare diseases are often un- or misdiagnosed for extended periods, resulting in a long diagnostic delay that may significantly add to the burden of the disease. An early diagnosis is particularly essential if a...

    Authors: Gé-Ann Kuiper, Olga L. M. Meijer, Eveline J. Langereis and Frits A. Wijburg

    Citation: Orphanet Journal of Rare Diseases 2018 13:2

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  14. Content type: Research

    The aim of the present study was to establish a non-invasive, fast and robust enzymatic assay to confirm fatty acid oxidation defects (FAOD) in humans following informative newborn-screening or for selective s...

    Authors: Nils Janzen, Alejandro D. Hofmann, Gunnar Schmidt, Anibh M. Das and Sabine Illsinger

    Citation: Orphanet Journal of Rare Diseases 2017 12:187

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  15. Content type: Research

    Mitochondrial disorders are a clinically, biochemically and genetically heterogeneous group of multi-system diseases, with an unmet medical need for treatment. KH176 is an orally bio-available small molecule u...

    Authors: Saskia Koene, Edwin Spaans, Luc Van Bortel, Griet Van Lancker, Brant Delafontaine, Fabio Badilini, Julien Beyrath and Jan Smeitink

    Citation: Orphanet Journal of Rare Diseases 2017 12:163

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  16. Content type: Review

    Phenylketonuria (PKU) is an autosomal recessive inborn error of phenylalanine metabolism caused by deficiency in the enzyme phenylalanine hydroxylase that converts phenylalanine into tyrosine. If left untreate...

    Authors: A. M. J. van Wegberg, A. MacDonald, K. Ahring, A. Bélanger-Quintana, N. Blau, A. M. Bosch, A. Burlina, J. Campistol, F. Feillet, M. Giżewska, S. C. Huijbregts, S. Kearney, V. Leuzzi, F. Maillot, A. C. Muntau, M. van Rijn…

    Citation: Orphanet Journal of Rare Diseases 2017 12:162

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  17. Content type: Research

    Lipoprotein lipase deficiency (LPLD) is an autosomal recessive inherited disorder caused by loss-of-function mutations in genes involved in the lipoprotein lipase pathway. It is characterised by chylomicronaem...

    Authors: Sasi Neelamekam, See Kwok, Rachel Malone, Anthony S. Wierzbicki and Handrean Soran

    Citation: Orphanet Journal of Rare Diseases 2017 12:156

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  18. Content type: Research

    We aim to delineate the progression of cerebellar syndrome in children with phosphomannomutase-deficiency (PMM2-CDG) using the International Cooperative Ataxia Rating Scale (ICARS). We sought correlation betwe...

    Authors: Natalia Lourdes Serrano, Victor De Diego, Daniel Cuadras, Antonio F. Martinez Monseny, Ramón Velázquez-Fragua, Laura López, Ana Felipe, Luis G. Gutiérrez-Solana, Alfons Macaya, Belén Pérez-Dueñas and Mercedes Serrano

    Citation: Orphanet Journal of Rare Diseases 2017 12:155

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  19. Content type: Review

    Tyrosinemia type 1 (TYR1) is a rare autosomal recessive disorder of amino acid metabolism that is fatal without treatment. With medication (nitisinone) and dietary restrictions outcomes are improved. We conduc...

    Authors: Julia Geppert, Chris Stinton, Karoline Freeman, Hannah Fraser, Aileen Clarke, Samantha Johnson, Paul Sutcliffe and Sian Taylor-Phillips

    Citation: Orphanet Journal of Rare Diseases 2017 12:154

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  20. Content type: Research

    Newborn Screening Connect (NBS Connect) is a web-based self-reported patient registry and resource for individuals and families affected by disorders included in the newborn screening panel. NBS Connect was la...

    Authors: Yetsa Osara, Kathryn Coakley, Aishwarya Devarajan and Rani H. Singh

    Citation: Orphanet Journal of Rare Diseases 2017 12:132

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  21. Content type: Research

    Isolated sulfite oxidase deficiency (ISOD) is a very rare autosomal recessive inherited neurometabolic disease. The most striking postnatal neuroimaging finding is multicystic encephalomalacia, which occurs ra...

    Authors: Hsiu-Fen Lee, Ching-Shiang Chi, Chi-Ren Tsai, Hung-Chieh Chen and I-Chun Lee

    Citation: Orphanet Journal of Rare Diseases 2017 12:115

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  22. Content type: Research

    Urea cycle disorders (UCDs) are a group of rare inherited metabolic disorders. Affected individuals often present with hyperammonemic encephalopathy (HE) and have an increased risk of severe neurologic disease...

    Authors: Susanne Nettesheim, Stefan Kölker, Daniela Karall, Johannes Häberle, Roland Posset, Georg F. Hoffmann, Beate Heinrich, Florian Gleich and Sven F. Garbade

    Citation: Orphanet Journal of Rare Diseases 2017 12:111

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  23. Content type: Review

    Mucopolysaccharidosis I-Hurler (MPS I-H) is the most severe form of a metabolic genetic disease caused by mutations of IDUA gene encoding the lysosomal α-L-iduronidase enzyme. MPS I-H is a rare, life-threatening ...

    Authors: Rossella Parini, Federica Deodato, Maja Di Rocco, Edoardo Lanino, Franco Locatelli, Chiara Messina, Attilio Rovelli and Maurizio Scarpa

    Citation: Orphanet Journal of Rare Diseases 2017 12:112

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  24. Content type: Letter to the Editor

    Several genetic defects have been identified in the glycosylphosphatidylinositol (GPI) anchor synthesis, including mutations in PIGO encoding phosphatidylinositol glycan anchor biosynthesis class O protein. These...

    Authors: Marie-Anne Morren, Jaak Jaeken, Gepke Visser, Isabelle Salles, Chris Van Geet, Ilenia Simeoni, Ernest Turro and Kathleen Freson

    Citation: Orphanet Journal of Rare Diseases 2017 12:101

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  25. Content type: Research

    The enzymatic replacement therapy (ERT) availability for Gaucher disease (GD) has changed the landscape of the disease, several countries have screening programs. These actions have promoted the early diagnosi...

    Authors: Marcio Andrade-Campos, Pilar Alfonso, Pilar Irun, Judith Armstrong, Carmen Calvo, Jaime Dalmau, Maria-Rosario Domingo, Jose-Luis Barbera, Horacio Cano, Maria-Angeles Fernandez-Galán, Rafael Franco, Inmaculada Gracia, Miguel Gracia-Antequera, Angela Ibañez, Francisco Lendinez, Marcos Madruga…

    Citation: Orphanet Journal of Rare Diseases 2017 12:84

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  26. Content type: Research

    Without neonatal initiation of treatment, 80–90% of patients with glutaric aciduria type 1 (GA1) develop striatal injury during the first six years of life resulting in a complex, predominantly dystonic moveme...

    Authors: Nikolas Boy, Jana Heringer, Renate Brackmann, Olaf Bodamer, Angelika Seitz, Stefan Kölker and Inga Harting

    Citation: Orphanet Journal of Rare Diseases 2017 12:77

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  27. Content type: Research

    The PGC-1α/PPAR axis has been proposed as a potential therapeutic target for several metabolic disorders. The aim was to evaluate the efficacy of the pan-PPAR agonist, bezafibrate, in tafazzin knockdown mice (...

    Authors: Yan Huang, Corey Powers, Victoria Moore, Caitlin Schafer, Mindong Ren, Colin K. L. Phoon, Jeanne F. James, Alexander V. Glukhov, Sabzali Javadov, Frédéric M. Vaz, John L. Jefferies, Arnold W. Strauss and Zaza Khuchua

    Citation: Orphanet Journal of Rare Diseases 2017 12:49

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  28. Content type: Review

    Tyrosinemia type 1 is an autosomal recessive disorder of amino acid metabolism. Without treatment, death in childhood is common. Treatment with nitisinone and dietary restrictions are associated with improved ...

    Authors: Chris Stinton, Julia Geppert, Karoline Freeman, Aileen Clarke, Samantha Johnson, Hannah Fraser, Paul Sutcliffe and Sian Taylor-Phillips

    Citation: Orphanet Journal of Rare Diseases 2017 12:48

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  29. Content type: Letter to the Editor

    Propionic acidemia is an inborn error of metabolism caused by deficiency of the mitochondrial enzyme propionyl-CoA carboxylase. Sensorineural deafness and severe hearing loss have been described as long-term c...

    Authors: S. C. Grünert, I. Bodi and K. E. Odening

    Citation: Orphanet Journal of Rare Diseases 2017 12:30

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  30. Content type: Research

    Arginine:glycine amidinotransferase deficiency (AGAT-d) is a very rare inborn error of creatine synthesis mainly characterized by absence of brain Creatine (Cr) peak, intellectual disability, severe language i...

    Authors: Roberta Battini, M. Grazia Alessandrì, Claudia Casalini, Manuela Casarano, Michela Tosetti and Giovanni Cioni

    Citation: Orphanet Journal of Rare Diseases 2017 12:21

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  31. Content type: Research

    Mucolipidosis types II and III (ML II/III) are autosomal recessive disorders caused by a deficiency in the lysosomal enzyme N-acetylglucosamine-1-phosphotransferase. We investigated the molecular genetic chara...

    Authors: Mina Yang, Sung Yun Cho, Hyung-Doo Park, Rihwa Choi, Young-Eun Kim, Jinsup Kim, Soo-Youn Lee, Chang-Seok Ki, Jong-Won Kim, Young Bae Sohn, Junghan Song and Dong-Kyu Jin

    Citation: Orphanet Journal of Rare Diseases 2017 12:11

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  32. Content type: Research

    Lysinuric protein intolerance (LPI) is a rare metabolic disease resulting from recessive-inherited mutations in the SLC7A7 gene encoding the cationic amino-acids transporter subunit y+LAT1. The disease is charact...

    Authors: Wladimir Mauhin, Florence Habarou, Stéphanie Gobin, Aude Servais, Anaïs Brassier, Coraline Grisel, Célina Roda, Graziella Pinto, Despina Moshous, Fahd Ghalim, Pauline Krug, Nelly Deltour, Clément Pontoizeau, Sandrine Dubois, Murielle Assoun, Louise Galmiche…

    Citation: Orphanet Journal of Rare Diseases 2017 12:3

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  33. Content type: Research

    We sought to understand the experiences of parents/caregivers of children with inherited metabolic diseases (IMD) in order to inform strategies for supporting patients and their families. We investigated their...

    Authors: Shabnaz Siddiq, Brenda J. Wilson, Ian D. Graham, Monica Lamoureux, Sara D. Khangura, Kylie Tingley, Laure Tessier, Pranesh Chakraborty, Doug Coyle, Sarah Dyack, Jane Gillis, Cheryl Greenberg, Robin Z. Hayeems, Shailly Jain-Ghai, Jonathan B. Kronick, Anne-Marie Laberge…

    Citation: Orphanet Journal of Rare Diseases 2016 11:168

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  34. Content type: Research

    Pontocerebellar hypoplasia type 6 (PCH6) is a mitochondrial disease caused by mutations in the RARS2 gene. RARS2 encodes mitochondrial arginyl transfer RNA synthetase, an enzyme involved in mitochondrial protein ...

    Authors: S. Lühl, H. Bode, W. Schlötzer, M. Bartsakoulia, R. Horvath, A. Abicht, M. Stenzel, J. Kirschner and S. C. Grünert

    Citation: Orphanet Journal of Rare Diseases 2016 11:140

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  35. Content type: Research

    The efficacy and safety of intra-venous (i.v.) sodium benzoate for treating acute episodes of hyperammonemia in urea cycle enzyme disorders (UCD) is well known. However, published data do not provide a clear p...

    Authors: Marie-Caroline Husson, Manuel Schiff, Alain Fouilhoux, Aline Cano, Dries Dobbelaere, Anais Brassier, Karine Mention, Jean-Baptiste Arnoux, François Feillet, Brigitte Chabrol, Nathalie Guffon, Caroline Elie and Pascale de Lonlay

    Citation: Orphanet Journal of Rare Diseases 2016 11:127

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  36. Content type: Research

    Inborn errors of metabolism (IEMs) are individually rare; however, they are collectively common. More than 600 human diseases caused by inborn errors of metabolism are now recognized, and this number is consta...

    Authors: Majid Alfadhel, Mohammed Benmeakel, Mohammad Arif Hossain, Fuad Al Mutairi, Ali Al Othaim, Ahmed A. Alfares, Mohammed Al Balwi, Abdullah Alzaben and Wafaa Eyaid

    Citation: Orphanet Journal of Rare Diseases 2016 11:126

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  37. Content type: Research

    The mainstay of treating patients with phenylketonuria (PKU) is based on a Phe-restricted diet, restrictive in natural protein combined with Phe-free L-amino acid supplements and low protein foods. This PKU di...

    Authors: María L. Couce, Isidro Vitoria, Luís Aldámiz-Echevarría, Ana Fernández-Marmiesse, Iria Roca, Marta Llarena, Paula Sánchez-Pintos, Rosaura Leis and Alvaro Hermida

    Citation: Orphanet Journal of Rare Diseases 2016 11:123

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  38. Content type: Research

    Niemann-Pick type C (NP-C) is a rare autosomal recessive progressive neurodegenerative disorder caused by mutations in the NP-C 1 or 2 gene. Besides visceral symptoms, presentation in adolescent and adult onse...

    Authors: L. H. Koens, A. Kuiper, M. A. Coenen, J. W. J. Elting, J. J. de Vries, M. Engelen, J. H. T. M. Koelman, F. J. van Spronsen, J. M. Spikman, T. J. de Koning and M. A. J. Tijssen

    Citation: Orphanet Journal of Rare Diseases 2016 11:121

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  39. Content type: Research

    Urea cycle disorders (UCDs) are rare inherited metabolic defects of ammonia detoxification. In about half of patients presenting with a UCD, the first symptoms appear within a few days after birth. These neona...

    Authors: Caroline Unsinn, Anibh Das, Vassili Valayannopoulos, Eva Thimm, Skadi Beblo, Alberto Burlina, Vassiliki Konstantopoulou, Sebene Mayorandan, Pascale de Lonlay, Jörg Rennecke, Jens Derbinski, Georg F. Hoffmann and Johannes Häberle

    Citation: Orphanet Journal of Rare Diseases 2016 11:116

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  40. Content type: Letter to the Editor

    Phenylketonuria is an autosomal recessive inborn error of metabolism which can be prevented by early and continuous treatment. Therefore newborn screening for phenylketonuria has been introduced in many countr...

    Authors: Mirjana Kocova and Violeta Anastasovska

    Citation: Orphanet Journal of Rare Diseases 2016 11:112

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    The original article was published in Orphanet Journal of Rare Diseases 2015 10:68

  41. Content type: Research

    TRNT1 (CCA-adding transfer RNA nucleotidyl transferase) enzyme deficiency is a new metabolic disease caused by defective post-transcriptional modification of mitochondrial and cytosolic transfer RNAs (tRNAs).

    Authors: Yehani Wedatilake, Rojeen Niazi, Elisa Fassone, Christopher A. Powell, Sarah Pearce, Vincent Plagnol, José W. Saldanha, Robert Kleta, W Kling Chong, Emma Footitt, Philippa B. Mills, Jan-Willem Taanman, Michal Minczuk, Peter T. Clayton and Shamima Rahman

    Citation: Orphanet Journal of Rare Diseases 2016 11:90

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  42. Content type: Research

    Hereditary Tyrosinemia type 1 (HT1) is a rare metabolic disorder caused by a defect in the enzyme Fumarylacetoacetate Hydrolase. Due to this defect, toxic products accumulate which, in turn, cause liver and ki...

    Authors: Willem G. van Ginkel, Rianne Jahja, Stephan C. J. Huijbregts, Anne Daly, Anita MacDonald, Corinne De Laet, David Cassiman, François Eyskens, Irene M. L. W. Körver-Keularts, Philippe J. Goyens, Patrick J. McKiernan and Francjan J. van Spronsen

    Citation: Orphanet Journal of Rare Diseases 2016 11:87

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  43. Content type: Research

    Type I congenital disorders of glycosylation (CDG-I) are mostly complex multisystemic diseases associated with hypoglycosylated serum glycoproteins. A subgroup harbour mutations in genes necessary for the bios...

    Authors: S. Sabry, S. Vuillaumier-Barrot, E. Mintet, M. Fasseu, V. Valayannopoulos, D. Héron, N. Dorison, C. Mignot, N. Seta, I. Chantret, T. Dupré and S. E. H. Moore

    Citation: Orphanet Journal of Rare Diseases 2016 11:84

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  44. Content type: Research

    SIFD (Sideroblastic anemia with B-cell immunodeficiency, periodic fevers, and developmental delay) is a novel form of congenital sideroblastic anemia associated with B-cell immunodeficiency, periodic fevers, a...

    Authors: Urszula Liwak-Muir, Hapsatou Mamady, Turaya Naas, Quinlan Wylie, Skye McBride, Matthew Lines, Jean Michaud, Stephen D. Baird, Pranesh K. Chakraborty and Martin Holcik

    Citation: Orphanet Journal of Rare Diseases 2016 11:79

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  45. Content type: Research

    Patients with infantile-onset Pompe disease (IOPD) can be identified through newborn screening, and the subsequent immediate initiation of enzyme replacement therapy significantly improves the prognosis of the...

    Authors: Steven Shinn-Forng Peng, Wuh-Liang Hwu, Ni-Chung Lee, Fuu-Jen Tsai, Wen-Hui Tsai and Yin-Hsiu Chien

    Citation: Orphanet Journal of Rare Diseases 2016 11:63

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  46. Content type: Research

    Enzyme replacement therapy (ERT) with laronidase (recombinant human α-L-iduronidase, Aldurazyme®) is indicated for non-neurological signs and symptoms of mucopolysaccharidosis type I (MPS I). The approved laro...

    Authors: Dafne Dain Gandelman Horovitz, Angelina X. Acosta, Roberto Giugliani, Anna Hlavatá, Katarína Hlavatá, Michel C. Tchan, Anneliese Lopes Barth, Laercio Cardoso Jr., Emília Katiane Embiruçu de Araújo Leão, Ana Carolina Esposito, Sandra Obikawa Kyosen, Carolina Fischinger Moura De Souza and Ana Maria Martins

    Citation: Orphanet Journal of Rare Diseases 2016 11:51

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  47. Content type: Research

    Fructose-1,6-bisphosphatase deficiency is a rare inborn error of metabolism affecting gluconeogenesis with only sporadic reports on its molecular genetic basis.

    Authors: René Santer, Marcel du Moulin, Tatevik Shahinyan, Inga Vater, Esther Maier, Ania C. Muntau and Beat Steinmann

    Citation: Orphanet Journal of Rare Diseases 2016 11:44

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