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    Chapter

    Biotin-Responsive Disorders

    Two inherited defects affecting the coenzyme function of biotin are known: holocarboxylase synthetase (HCS) deficiency and biotinidase deficiency. Both lead to deficiency of all biotin-dependent carboxylases, ...

    D. Sean Froese, Matthias R. Baumgartner in Inborn Metabolic Diseases (2022)

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    Chapter

    Disorders of Cobalamin Metabolism

    Vitamin B12 (Cbl) is needed for just two metabolic reactions in man, the methylation of homocysteine to methionine (cofactor methyl-Cbl) and the conversion of methylmalonyl-CoA to succinyl-CoA (cofactor adenosyl-...

    Matthias R. Baumgartner, D. Sean Froese in Physician's Guide to the Diagnosis, Treatm… (2022)

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    Chapter

    Disorders of Ornithine and Proline Metabolism

    Hyperornithinaemia due to ornithine aminotransferase (OAT) deficiency results from loss of function mutations in OAT and causes gyrate atrophy of the choroid and retina (GA), a progressive retinal degeneration. T...

    Matthias R. Baumgartner, David Valle, Carlo Dionisi-Vici in Inborn Metabolic Diseases (2022)

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    Chapter

    Living with Intoxication-Type Inborn Errors of Metabolism: A Qualitative Analysis of Interviews with Paediatric Patients and Their Parents

    Introduction: Progress in diagnosis and treatment of patients with intoxication-type inborn errors of metabolism (IT-IEM) such as urea cycle disorders, organic acidurias or maple syrup urine disease is resulting...

    Nina A. Zeltner, Markus A. Landolt, Matthias R. Baumgartner in JIMD Reports, Volume 31 (2017)

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    Chapter

    Development and Psychometric Evaluation of the MetabQoL 1.0: A Quality of Life Questionnaire for Paediatric Patients with Intoxication-Type Inborn Errors of Metabolism

    Introduction: This study is part of the “European network and registry for intoxication type metabolic diseases” (E-IMD) project. Intoxication-type inborn errors of metabolism (IT-IEM) such as urea cycle...

    Nina A. Zeltner, Matthias R. Baumgartner, Aljona Bondarenko in JIMD Reports, Volume 37 (2017)

  6. No Access

    Chapter

    Biotin-responsive Disorders

    Two inherited defects affecting the coenzyme function of biotin are known: holocarboxylase synthetase (HCS) deficiency and biotinidase deficiency. Both lead to deficiency of all biotin-dependent carboxylases, ...

    Matthias R. Baumgartner, Terttu Suormala in Inborn Metabolic Diseases (2016)

  7. No Access

    Chapter

    Disorders of Ornithine and Proline Metabolism

    Hyperornithinaemia due to ornithine aminotransferase (OAT) deficiency results in gyrate atrophy of the choroid and retina (GA) and leads to progressive visual loss. Treatment includes an arginine-restricted di...

    Matthias R. Baumgartner, David Valle, Carlo Dionisi-Vici in Inborn Metabolic Diseases (2016)

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    Chapter

    Networking Across Borders for Individuals with Organic Acidurias and Urea Cycle Disorders: The E-IMD Consortium

    Background: Patients with organic acidurias (OAD) and urea cycle disorders (UCD) are at increased risk of disability, impaired quality of life and reduced life expectancy. Clinical care in any one ...

    Stefan Kölker, Dries Dobbelaere, Johannes Häberle, Peter Burgard in JIMD Reports, Volume 22 (2015)

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    Chapter

    Vitamin B12 Disorders

    Vitamin B12 (Cbl) is needed for just two metabolic reactions in man, the methylation of homocysteine to methionine (cofactor methyl-Cbl) and the conversion of methylmalonyl-CoA to succinyl-CoA (cofactor adenosyl-...

    Matthias R. Baumgartner, Brian Fowler in Physician's Guide to the Diagnosis, Treatm… (2014)

  10. No Access

    Chapter

    Biotin-responsive Disorders

    Two inherited defects affecting the coenzyme function of biotin are known: holocarboxylase synthetase (HCS) deficiency and biotinidase deficiency. Both lead to deficiency of all biotin-dependent carboxylases, i.e...

    Matthias R. Baumgartner, Terttu Suormala in Inborn Metabolic Diseases (2012)

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    Chapter

    Disorders of Ornithine Metabolism

    Hyperornithinaemia due to ornithine aminotransferase (OAT) deficiency results in gyrate atrophy of the choroid and retina (GA). Although the progression of the retinal degeneration is highly variab...

    Matthias R. Baumgartner, David Valle in Inborn Metabolic Diseases (2012)

  12. No Access

    Chapter

    Biotin-Responsive Disorders

    Two inherited defects in biotin metabolism are known: holocarboxylase synthetase (HCS) deficiency and biotinidase deficiency. Both lead to deficiency of all biotindependent carboxylases, i.e. to multiple carboxyl...

    Matthias R. Baumgartner, Terttu Suormala in Inborn Metabolic Diseases (2006)

  13. No Access

    Chapter

    Disorders of Ornithine Metabolism

    Hyperornithinemia due to ornithine aminotransferase (OAT) deficiency is associated with gyrate atrophy of the choroid and retina. Patients usually become virtually blind by age 55. Treatment...

    Vivian E. Shih, Matthias R. Baumgartner in Inborn Metabolic Diseases (2006)