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3-hydroxy-3-methylglutaryl-coenzyme A lyase deficiency: One disease- many faces

  • Background 3-hydroxy-3-methylglutaryl-coenzyme A lyase deficiency (HMGCLD) is an autosomal recessive disorder of ketogenesis and leucine degradation due to mutations in HMGCL . Method We performed a systematic literature search to identify all published cases. 211 patients of whom relevant clinical data were available were included in this analysis. Clinical course, biochemical findings and mutation data are highlighted and discussed. An overview on all published HMGCL variants is provided. Results More than 95% of patients presented with acute metabolic decompensation. Most patients manifested within the first year of life, 42.4% already neonatally. Very few individuals remained asymptomatic. The neurologic long-term outcome was favorable with 62.6% of patients showing normal development. Conclusion This comprehensive data analysis provides a systematic overview on all published cases with HMGCLD including a list of all known HMGCL mutations.

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Metadaten
Document Type:Preprint
Language:English
Author:Sarah Catharina Grünert, Jörn Oliver Sass
DOI:https://doi.org/10.21203/rs.2.17759/v2
Publisher:Research Square
Date of first publication:2019/11/25
Submission status:accepted at Orphanet Journal of Rare Disease
Tag:HMGCL; Ketogenesis; hyperammonemia; hypoglycemia; inborn error of metabolism; ketone body; leucine; metabolic acidosis; metabolic decompensation; organic aciduria
Departments, institutes and facilities:Fachbereich Angewandte Naturwissenschaften
Institut für funktionale Gen-Analytik (IFGA)
Dewey Decimal Classification (DDC):6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
Entry in this database:2020/01/08
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International