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International consensus guidelines for phosphoglucomutase 1 deficiency (PGM1-CDG): Diagnosis, follow-up, and management

  • Ruqaiah Altassan
  • , Silvia Radenkovic
  • , Andrew C. Edmondson
  • , Rita Barone
  • , Sandra Brasil
  • , Anna Cechova
  • , David Coman
  • , Sarah Donoghue
  • , Kristina Falkenstein
  • , Vanessa Ferreira
  • , Carlos Ferreira
  • , Agata Fiumara
  • , Rita Francisco
  • , Hudson Freeze
  • , Stephanie Grunewald
  • , Tomas Honzik
  • , Jaak Jaeken
  • , Donna Krasnewich
  • , Christina Lam
  • , Joy Lee
  • Dirk Lefeber, Dorinda Marques-da-Silva, Carlota Pascoal, Dulce Quelhas, Kimiyo M. Raymond, Daisy Rymen, Malgorzata Seroczynska, Mercedes Serrano, Jolanta Sykut-Cegielska, Christian Thiel, Frederic Tort, Mari Anne Vals, Paula Videira, Nicol Voermans, Peter Witters, Eva Morava*
*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

Abstract

Phosphoglucomutase 1 (PGM1) deficiency is a rare genetic disorder that affects glycogen metabolism, glycolysis, and protein glycosylation. Previously known as GSD XIV, it was recently reclassified as a congenital disorder of glycosylation, PGM1-CDG. PGM1-CDG usually manifests as a multisystem disease. Most patients present as infants with cleft palate, liver function abnormalities and hypoglycemia, but some patients present in adulthood with isolated muscle involvement. Some patients develop life-threatening cardiomyopathy. Unlike most other CDG, PGM1-CDG has an effective treatment option, d-galactose, which has been shown to improve many of the patients' symptoms. Therefore, early diagnosis and initiation of treatment for PGM1-CDG patients are crucial decisions. In this article, our group of international experts suggests diagnostic, follow-up, and management guidelines for PGM1-CDG. These guidelines are based on the best available evidence-based data and experts' opinions aiming to provide a practical resource for health care providers to facilitate successful diagnosis and optimal management of PGM1-CDG patients.

Original languageEnglish
Pages (from-to)148-163
Number of pages16
JournalJournal of Inherited Metabolic Disease
Volume44
Issue number1
DOIs
Publication statusPublished - Jan 2021
Externally publishedYes

Keywords

  • congenital disorder of glycosylation
  • d-galactose
  • management guidelines
  • PGM1-CDG
  • phosphoglucomutase 1 deficiency

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