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Insights into the expanding phenotypic spectrum of inherited disorders of biogenic amines

  • iNTD Registry Study Group
  • Heidelberg University 
  • University of British Columbia
  • Instituto de Salud Carlos III
  • Autonomous University of Barcelona
  • University of Rome La Sapienza
  • National and Kapodistrian University of Athens
  • Rady Children's Hospital
  • University of Toronto
  • The Hong Kong Childrenś Hospital
  • Washington University St. Louis
  • Aristotle University of Thessaloniki
  • Charles University
  • Great Ormond Street Hospital for Children NHS Foundation Trust
  • Hospital Universitario Reina Sofía
  • University of Oslo
  • Cukurova University
  • Radboud University Nijmegen
  • Vrije Universiteit Brussel
  • University of Alberta
  • Innsbruck Medical University
  • Azienda Ospedaliera - Universitaria Città della Salute e della Scienza di Torino
  • University of Hamburg
  • Azienda Ospedaliera di Padova
  • German Cancer Research Center
  • Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM)
  • MOH Holdings Pte Ltd.
  • Showa Medical University
  • University of Novi Sad
  • University Hospital of Nantes
  • Ruhr University Bochum
  • Hospital Universitario Virgen del Rocio
  • University of Göttingen
  • University of Belgrade
  • Institute of Mother and Child

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)

Abstract

Inherited disorders of neurotransmitter metabolism are rare neurodevelopmental diseases presenting with movement disorders and global developmental delay. This study presents the results of the first standardized deep phenotyping approach and describes the clinical and biochemical presentation at disease onset as well as diagnostic approaches of 275 patients from the registry of the International Working Group on Neurotransmitter related Disorders. The results reveal an increased rate of prematurity, a high risk for being small for gestational age and for congenital microcephaly in some disorders. Age at diagnosis and the diagnostic delay are influenced by the diagnostic methods applied and by disease-specific symptoms. The timepoint of investigation was also a significant factor: delay to diagnosis has decreased in recent years, possibly due to novel diagnostic approaches or raised awareness. Although each disorder has a specific biochemical pattern, we observed confounding exceptions to the rule. The data provide comprehensive insights into the phenotypic spectrum of neurotransmitter disorders.

Original languageEnglish
Article number5529
JournalNature Communications
Volume12
Issue number1
DOIs
Publication statusPublished - 1 Dec 2021

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