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International Neurotransmitter Disorders Conference, London 2025 Please save the date! November 5th-7th, 2025 Goodenough College, London, UK   ‘Bridging Scientific Innovation and Clinical Advances for Patients’ Key conference themes: ❖  Expanding spectrum of primary and secondary neurotransmitter disorders ❖ Advances in laboratory diagnostics ❖ Genetics ❖ Functional genomics and disease modelling ❖ Gene therapy and [...]

Elevated serum prolactin concentrations occur in inherited disorders of biogenic amine metabolism because dopamine deficiency leads to insufficient inhibition of prolactin secretion. This work from the International Working Group on Neurotransmitter Related Disorders (iNTD) presents the results of the first standardized study on levodopa-refractory hyperprolactinemia (LRHP; >1000 mU/L) and pituitary magnetic resonance imaging (MRI) abnormalities in [...]

The objective of the study is to evaluate the evolving phenotype and genetic spectrum of patients with succinic semialdehyde dehydrogenase deficiency (SSADHD) in long-term follow-up. Longitudinal clinical and biochemical data of 22 pediatric and 9 adult individuals with SSADHD from the patient registry of the International Working Group on Neurotransmitter related Disorders (iNTD) were studied [...]

JIMD Special Issue Communication was also the main goal of the conference “Rare-neurotransmitter-related diseases—Research to treatment (RNTD-R2T)” which took place in the city of Belgrade, Serbia, with 184 participants from 24 countries. With funding from the European Joint Programme Rare Diseases (EJPRD) and with the aim of fostering involvement of and exchange between all stakeholders, [...]

The objective of the study is to evaluate the evolving phenotype and genetic spectrum of patients with succinic semialdehyde dehydrogenase deficiency (SSADHD) in long-term follow-up. Longitudinal clinical and biochemical data of 22 pediatric and 9 adult individuals with SSADHD from the patient registry of the International Working Group on Neurotransmitter related Disorders (iNTD) were studied [...]

Elevated serum prolactin concentrations occur in inherited disorders of biogenic amine metabolism because dopamine deficiency leads to insufficient inhibition of prolactin secretion. This work from the International Working Group on Neurotransmitter Related Disorders (iNTD) presents the results of the first standardized study on levodopa-refractory hyperprolactinemia (LRHP; >1000 mU/L) and pituitary magnetic resonance imaging (MRI) abnormalities in [...]

The autosomal recessive defect of aromatic L-amino acid decarboxylase (AADC) leads to a severe neurological disorder with manifestation in infancy due to a pronounced, combined deficiency of dopamine, serotonin and catecholamines. The success of conventional drug treatment is very limited, especially in patients with a severe phenotype. The development of an intracerebral AAV2-based gene delivery [...]

Purpose: Inborn errors of neurotransmitters are rare monogenic diseases. In general, conventional neuroimaging is not useful for diagnosis. Nevertheless, advanced neuroimaging techniques could provide novel diagnosis and prognosis biomarkers. We aim to describe cerebral volumetric findings in a group of Spanish patients with neurotransmitter disorders. Methods: Fifteen 3D T1-weighted brain images from the International Working Group on [...]

Objective Glycine encephalopathy, also known as nonketotic hyperglycinemia (NKH), is an inherited neurometabolic disorder with variable clinical course and severity, ranging from infantile epileptic encephalopathy to psychiatric disorders. A precise phenotypic characterization and an evaluation of predictive approaches are needed. Methods Longitudinal clinical and biochemical data of 25 individuals with NKH from the patient registry [...]

Online master´s program "EUROMETABOLISMAND CELL BIOLOGY FOR CLINICIANS" with 2 on-site summer schools. The 2 years program is conducted by the University of Barcelona and the Hospital Sant Juan de Déu and will start in October 2022. Contact: Dr. Juliana Ribeiro (juliana.ribeiro@sjd.es)   Detailed information can be found here: Master-in-NEUROMETABOLISM-AND-CELL-BIOLOGY-FOR-CLINICIANS.pdf (iicn.ie)