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Congenital disorders of glycosylation (CDG): it's (nearly) all in it!
1Universitair Ziekenhuis Gasthuisberg, Herestraat 49, 3000, Leuven, Belgium. jaak.jaeken@uzleuven.be
Insights
Congenital disorders of glycosylation (CDG) are rapidly increasing, with 45 known types. This review covers new CDG discoveries, diagnostics, genetics, and future research directions for these rare metabolic diseases.
Area of Science:
- Biochemistry
- Genetics
- Metabolic Diseases
Background:
- Congenital disorders of glycosylation (CDG) represent a growing group of rare metabolic diseases.
- The number of identified CDG types has quadrupled to 45 since 2003.
Purpose of the Study:
- To provide a comprehensive overview of recent advancements in the field of CDG.
- To discuss novel CDG discoveries, phenotypes, diagnostic strategies, and genetic underpinnings.
- To introduce a new nomenclature and classification system for CDG and outline future research avenues.
Main Methods:
- Literature review of recently discovered CDG and associated phenotypes.
- Analysis of current diagnostic approaches for CDG.
- Examination of the genetic basis and proposed nomenclature for CDG.
Main Results:
- Significant expansion in the number of known CDG types and their associated clinical presentations.
- Identification of novel genetic defects leading to CDG.
- Development of a refined classification and nomenclature for CDG.
Conclusions:
- The field of CDG is expanding rapidly, necessitating updated diagnostic and classification frameworks.
- Further research into CDG genetics and potential therapeutic strategies is crucial.
- A unified nomenclature and classification will aid in understanding and managing these complex disorders.
Abstract:
Congenital disorders of glycosylation (CDG) is a booming class of metabolic diseases. Its number has increased nearly fourfold (to 45) since 2003, the year of the Komrower lecture, entitled 'Congenital disorders of glycosylation CDG): It's all in it!'. This paper presents an overview of recently discovered CDG and CDG phenotypes, of a diagnostic approach, of (the lack of) treatment, of CDG genetics, of a novel CDG nomenclature and classification, and of some future directions in the CDG field.
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