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Metabolic disorders of fetal life: glycogenoses and mitochondrial defects of the mitochondrial respiratory chain.

Abstract
Two major groups of inborn errors of energy metabolism are reviewed -glycogenoses and defects of the mitochondrial respiratory chain - to see how often these disorders present in fetal life or neonatally. After some general considerations on energy metabolism in the pre- and postnatal development of the human infant, different glycogen storage diseases and mitochondrial encephalomyopathies are surveyed. General conclusions are that: (i) disorders of glycogen metabolism are more likely to cause 'fetal disease' than defects of the respiratory chain; (ii) mitochondrial encephalomyopathies, especially those due to defects of the nuclear genome, are frequent causes of neonatal or infantile diseases, typically Leigh syndrome, but usually do not cause fetal distress; (iii) notable exceptions include mutations in the complex III assembly gene BCS1L resulting in the GRACILE syndrome (growth retardation, aminoaciduria, cholestasis, iron overload, lactic acidosis, and early death), and defects of mitochondrial protein synthesis, which are the 'new frontier' in mitochondrial translational research.
AuthorsS Dimauro, C Garone
JournalSeminars in fetal & neonatal medicine (Semin Fetal Neonatal Med) Vol. 16 Issue 4 Pg. 181-9 (Aug 2011) ISSN: 1878-0946 [Electronic] Netherlands
PMID21620786 (Publication Type: Journal Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't, Review)
CopyrightCopyright © 2011. Published by Elsevier Ltd.
Topics
  • Electron Transport (genetics)
  • Fetal Diseases (genetics, metabolism)
  • Glycogen Storage Disease (genetics, metabolism)
  • Humans
  • Infant, Newborn
  • Metabolic Diseases (genetics, metabolism)
  • Mitochondria (genetics, metabolism)

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