P. W. is supported by the Clinical Research Fund, University Hospitals Leuven, Leuven, Belgium. This work is partially funded by the grant titled Frontiers in Congenital Disorders of Glycosylation (1U54NS115198-01) from the National Institute of Neurological Diseases and Stroke (NINDS), the National Center for Advancing Translational Sciences (NCATS), and the Rare Disorders Consortium Research Network (RDCRN) (...
Dorinda Marques-da-Silva acknowledges the support from the Rare Disease Foundation’s microgrant and ‘Liliana Scientific Scholarship’; Rita Francisco acknowledges Fundação para a Ciência e Tecnologia for the grant SFRH/BD/124326/2016 awarded to her.; Congenital disorders of glycosylation (CDG) are ultra-rare diseases showing a great phenotypic diversity ranging from mono-to multi-organ/multisystem involvement. L...
We would like to thank the Metabolic ERN (MetabERN) for their support to our study.; Phosphomannomutase 2 (PMM2-CDG) is the most common congenital disorder of N-glycosylation and is caused by a deficient PMM2 activity. The clinical presentation and the onset of PMM2-CDG vary among affected individuals ranging from a severe antenatal presentation with multisystem involvement to mild adulthood presentation limite...