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    Living Reference Work Entry In depth

    Arginase Deficiency

    Arginase deficiency is caused by biallelic pathogenic variants of ARG1 gene. Arginase 1 deficiency results in hepatic accumulation of intracellular arginine and release of excess arginine into the blood, which...

    Neluwa-Liyanage R. Indika, Udara D. Senarathne, Andreas Schulze in Genetic Syndromes

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    Chapter

    Disorders of Creatine Metabolism

    Reduced creatine levels in the brain and in body fluids/tissues are the common denominator of primary creatine disorders (cerebral creatine deficiency syndromes types 1–3: X-linked creatine transporter (CrT/SLC6A...

    Sylvia Stöckler-Ipsiroglu, Olivier Braissant in Physician's Guide to the Diagnosis, Treatm… (2022)

  3. Article

    Open Access

    Urine creatine metabolite panel as a screening test in neurodevelopmental disorders

    Cerebral creatine deficiency disorders (CCDD) are inherited metabolic disorders of creatine synthesis and transport. Urine creatine metabolite panel is helpful to identify these disorders.

    Shalini Bahl, Dawn Cordeiro, Lauren MacNeil in Orphanet Journal of Rare Diseases (2020)

  4. Article

    Open Access

    Evaluation of the quality of clinical data collection for a pan-Canadian cohort of children affected by inherited metabolic diseases: lessons learned from the Canadian Inherited Metabolic Diseases Research Network

    The Canadian Inherited Metabolic Diseases Research Network (CIMDRN) is a pan-Canadian practice-based research network of 14 Hereditary Metabolic Disease Treatment Centres and over 50 investigators. CIMDRN aims...

    Kylie Tingley, Monica Lamoureux, Michael Pugliese in Orphanet Journal of Rare Diseases (2020)

  5. Article

    Open Access

    Outcomes in pediatric studies of medium-chain acyl-coA dehydrogenase (MCAD) deficiency and phenylketonuria (PKU): a review

    Inherited metabolic diseases (IMDs) are a group of individually rare single-gene diseases. For many IMDs, there is a paucity of high-quality evidence that evaluates the effectiveness of clinical interventions....

    Michael Pugliese, Kylie Tingley, Andrea Chow in Orphanet Journal of Rare Diseases (2020)

  6. Article

    Open Access

    Mudd’s disease (MAT I/III deficiency): a survey of data for MAT1A homozygotes and compound heterozygotes

    This paper summarizes the results of a group effort to bring together the worldwide available data on patients who are either homozygotes or compound heterozygotes for mutations in MAT1A. MAT1A encodes the subuni...

    Yin-Hsiu Chien, Jose E. Abdenur, Federico Baronio in Orphanet Journal of Rare Diseases (2015)

  7. Article

    Open Access

    Prevalence of inherited neurotransmitter disorders in patients with movement disorders and epilepsy: a retrospective cohort study

    Inherited neurotransmitter disorders are primary defects of neurotransmitter metabolism. The main purpose of this retrospective cohort study was to identify prevalence of inherited neurotransmitter disorders.

    Saadet Mercimek-Mahmutoglu, Sarah Sidky, Keith Hyland in Orphanet Journal of Rare Diseases (2015)

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    Chapter

    Creatine Disorders

    Reduced creatine levels in the brain and in body fluids/tissues are the common denominator of primary (AGAT, GAMT, X-linked creatine transporter (SLC6A8) deficiency) and secondary (OAT deficiency) creatine disord...

    Sylvia Stöckler, Olivier Braissant in Physician's Guide to the Diagnosis, Treatm… (2014)

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    Chapter

    Creatine and Creatine Kinase in Health and Disease – A Bright Future Ahead?

    Many links are reported or suspected between the functioning of creatine, phosphocreatine, the creatine kinase isoenzymes or the creatine biosynthesis enzymes on one hand, and health or disease on the other ha...

    Markus Wyss, Olivier Braissant, Ivo Pischel in Creatine and Creatine Kinase in Health and… (2007)

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    Chapter

    Pre-Symptomatic Treatment of Creatine Biosynthesis Defects

    Recent observations in two patients, one with AGAT deficiency (AGAT-D) and one with GAMT deficiency (GAMT-D), both diagnosed already at birth, provide first evidence for important therapeutic effects of pre-sy...

    Andreas Schulze, Roberta Battini in Creatine and Creatine Kinase in Health and Disease (2007)

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    Chapter

    Disorders of Ornithine, Lysine, and Tryptophan

    Georg F. Hoffmann, Andreas Schulze in Physician’s Guide to the Treatment and Fol… (2006)

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    Chapter

    Disorders of Creatine Metabolism

    Sylvia Stöckler-Ipsiroglu, Roberta Battini in Physician’s Guide to the Treatment and Fol… (2006)

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    Article

    Pregnancy complications, obstetric risks, and neonatal outcome in singleton and twin pregnancies after GIFT and IVF

    In vitro fertilization (IVF) and to a lower extent gamete intra-fallopian transfer (GIFT) have become routine infertility treatments in industrialized countries. Our purpose is to compare the obstetric and neo...

    Robert Ochsenkühn, Thomas Strowitzki in Archives of Gynecology and Obstetrics (2003)

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    Article

    Maternal and neonatal morbidity of emergency caesarean sections with a decision-to-delivery interval under 30 minutes: evidence from 10 years

    The purpose was to investigate the decision-to-delivery interval for emergency caesarean section and to compare the perioperative maternal and neonatal morbidity to that of intrapartum non-emergent caesarean s...

    Peter Hillemanns, Uwe Hasbargen, Alexander Strauss in Archives of Gynecology and Obstetrics (2003)