Consensus guideline for the diagnosis and treatment of tetrahydrobiopterin (BH4) deficiencies Tetrahydrobiopterin (BH4) deficiencies comprise a group of six rare neurometabolic disorders characterized by insufficient synthesis of the monoamine neurotransmitters dopamine and serotonin due to a disturbance of BH4 biosynthesis or recycling. Hyperphenylalaninemia (HPA) is the [...]
DIG PKU German Interest Group on Phenylketonuria and Related Inborn Metabolic Disorders - Division for Neurotransmitter Disorders In December 2016 the German DIG PKU Interest Group on Phenylketonuria and Related Inborn Metabolic Disorders created its own Division for Neurotransmitter Disorders. The division wants to to achieve that [...]
High Throughput Newborn Screening for Aromatic ʟ-amino-acid Decarboxylase Deficiency by Analysis of Concentrations of 3-O-methyldopa From Dried Blood Spots Aromatic l ‐amino‐acid decarboxylase (AADC) deficiency is an inherited disorder of biogenic amine metabolism with a broad neurological phenotype. The clinical symptoms overlap with other diseases resulting [...]
34th Annual Meeting of the „Arbeitsgemeinschaft für Pädiatrische Stoffwechselstörungen“ (APS), March 4-7, 2020, Fulda, Germany Dear colleagues, friends, and families, In March 2020 (4-7th March), the 34th Annual Meeting of the „Arbeitsgemeinschaft für Pädiatrische Stoffwechselstörungen“ (APS) will be held in Fulda (Germany) with a focus on [...]
Worldwide rare disease study led by Washington State University researchers Researchers Jean-Baptiste Roullet and Mike Gibson of the WSU College of Pharmacy and Pharmaceutical Sciences are conducting a natural history study of patients with succinic semialdehyde dehydrogenase deficiency (SSADHD). SSADHD is a genetic disorder that is [...]
Families affected by Segawa's disease perform their first meeting in Spain The Reina Sofía Hospital in Cordoba hosted the first meeting of families affected by Segawa's disease on Saturday, February 2. The meeting, organized by Neuropediatricians Eduardo López Laso and Joaquín A. Fernández Ramos, addressed the [...]
Relaunch of the iNTD website Walt Disney once said: "We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths." We thought to do the same and take the new iNTD website online. You can [...]
Neurotransmitter deficiencies are rare neurological disorders with clinical onset during childhood. The disorders are caused by genetic defects in the enzymes involved in synthesis, degradation, or transport of neurotransmitters or by defects in the cofactor biosynthesis such as tetrahydrobiopterin (BH4). With the newly described DNAJC12 deficiency, a chaperon-associated neurotransmitter disorder, the pathophysiological spectrum has been [...]
Pregnancy management and outcome in patients with four different tetrahydrobiopterin disorders Introduction Inborn errors of tetrahydrobiopterin (BH4) biosynthesis or recycling are a group of very rare neurometabolic diseases. Following growing awareness and improved availability of drug treatment the number of patients with BH4 disorders reaching adulthood [...]
Inherited Disorders of Neurotransmitters: Classification and Practical Approaches for Diagnosis and Treatment Neurotransmitter deficiencies are rare neurological disorders with clinical onset during childhood. The disorders are caused by genetic defects in the enzymes involved in synthesis, degradation, or transport of neurotransmitters or by defects in the [...]
