Coordinated and reversible reduction of enzymes involved in terminal oxidative metabolism in skeletal muscle mitochondria from a riboflavin-responsive, multiple acyl-CoA dehydrogenase deficiency patient

Elisabetta Gianazza, Lodovica Vergani, Robin Wait, Carmen Brizio, Daniela Brambilla, Shajna Begum, Teresa A. Giancaspero, Francesca Conserva, Ivano Eberini, Daniela Bufano, Corrado Angelini, Elena Pegoraro, Anna Tramontano, Maria Barile

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

In this case report we studied alterations in mitochondrial proteins in a patient suffering from recurrent profound muscle weakness, associated with ethylmalonic-adipic aciduria, who had benefited from high dose of riboflavin treatment. Morphological and biochemical alterations included muscle lipid accumulation, low muscle carnitine content, reduction in fatty acid β-oxidation and reduced activity of complexes I and II of the respiratory chain. Riboflavin therapy partially or totally reversed these symptoms and increased the level of muscle flavin adenine dinucleotide, suggesting that aberrant flavin cofactor metabolism accounted for the disease. Proteomic investigation of muscle mitochondria revealed decrease or absence of several flavoenzymes, enzymes related to flavin cofactor-dependent mitochondrial pathways and mitochondrial or mitochondria-associated calcium-binding proteins. All these deficiencies were completely rescued after riboflavin treatment. This study indicates for the first time a profound involvement of riboflavin/flavin cofactors in modulating the level of a number of functionally coordinated polypeptides involved in fatty acyl-CoA and amino acid metabolism, extending the number of enzymatic pathways altered in riboflavin-responsive multiple acyl-CoA dehydrogenase deficiency.

Original languageEnglish
Pages (from-to)1182-1198
Number of pages17
JournalElectrophoresis
Volume27
Issue number5-6
DOIs
Publication statusPublished - Mar 2006

Fingerprint

Multiple Acyl Coenzyme A Dehydrogenase Deficiency
Acyl-CoA Dehydrogenase
Muscle Mitochondrion
Mitochondria
Riboflavin
Metabolism
Muscle
Skeletal Muscle
Enzymes
Muscles
Acyl Coenzyme A
Flavin-Adenine Dinucleotide
Calcium-Binding Proteins
Carnitine
Mitochondrial Proteins
Muscle Weakness
Electron Transport
Proteomics
Fatty Acids
Therapeutics

Keywords

  • β-oxidation
  • Mitochondria
  • Neuromuscular pathology
  • Proteomics
  • Skeletal muscle

ASJC Scopus subject areas

  • Clinical Biochemistry

Cite this

Coordinated and reversible reduction of enzymes involved in terminal oxidative metabolism in skeletal muscle mitochondria from a riboflavin-responsive, multiple acyl-CoA dehydrogenase deficiency patient. / Gianazza, Elisabetta; Vergani, Lodovica; Wait, Robin; Brizio, Carmen; Brambilla, Daniela; Begum, Shajna; Giancaspero, Teresa A.; Conserva, Francesca; Eberini, Ivano; Bufano, Daniela; Angelini, Corrado; Pegoraro, Elena; Tramontano, Anna; Barile, Maria.

In: Electrophoresis, Vol. 27, No. 5-6, 03.2006, p. 1182-1198.

Research output: Contribution to journalArticle

Gianazza, E, Vergani, L, Wait, R, Brizio, C, Brambilla, D, Begum, S, Giancaspero, TA, Conserva, F, Eberini, I, Bufano, D, Angelini, C, Pegoraro, E, Tramontano, A & Barile, M 2006, 'Coordinated and reversible reduction of enzymes involved in terminal oxidative metabolism in skeletal muscle mitochondria from a riboflavin-responsive, multiple acyl-CoA dehydrogenase deficiency patient', Electrophoresis, vol. 27, no. 5-6, pp. 1182-1198. https://doi.org/10.1002/elps.200500687
Gianazza, Elisabetta ; Vergani, Lodovica ; Wait, Robin ; Brizio, Carmen ; Brambilla, Daniela ; Begum, Shajna ; Giancaspero, Teresa A. ; Conserva, Francesca ; Eberini, Ivano ; Bufano, Daniela ; Angelini, Corrado ; Pegoraro, Elena ; Tramontano, Anna ; Barile, Maria. / Coordinated and reversible reduction of enzymes involved in terminal oxidative metabolism in skeletal muscle mitochondria from a riboflavin-responsive, multiple acyl-CoA dehydrogenase deficiency patient. In: Electrophoresis. 2006 ; Vol. 27, No. 5-6. pp. 1182-1198.
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