Fatal infantile cytochrome c oxidase deficiency: Decrease of immunologically detectable enzyme in muscle

Nereo Bresolin, Massimo Zeviani, Eduardo Bonilla, Ronald H. Miller, Richard W. Leech, Sara Shanske, Masanori Nakagawa, Salvatore DiMauro

Research output: Contribution to journalArticle

Abstract

A 2-month-old boy had progressive generalized weakness, hypotonia, and respiratory insufficiency requiring assisted ventilation. At age 3½ months, he started having seizures and recurrent pulmonary infections; he died at age 7 months. Serum lactate was chronically elevated, but there was no aminoaciduria. Histoehemical and ultrastructural studies of muscle biopsies at ages 2 and 3 months showed excessive mitochondria, lipid, and glycogen; a third biopsy at 6 months showed marked increase in perimysial fibrous and fat tissue. Cytochrome c oxidase activity was 7% of normal in the first biopsy and undetectable in the others. Cytochrome spectra of mitochondria isolated from postmortem muscle showed complete lack of cytochrome aa3 Antibodies were obtained against cytochrome c oxidase purified from normal human heart. Immunotitration and enzyme-linked immunosorbent assay (ELISA) showed decreased immunologically reactive enzyme protein in the patient’s muscle, but SDS-PAGE electrophoresis of immunoprecipitates of muscle mitochondrial extracts showed the presence of all cytochrome c oxidase subunits. These data suggest that decreased synthesis of one or more subunits may result in markedly decreased concentration of electrophoretically normal complex IV in skeletal muscle.

Original languageEnglish
Pages (from-to)802-812
Number of pages11
JournalNeurology
Volume35
Issue number6
Publication statusPublished - 1985

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Cytochrome-c Oxidase Deficiency
Electron Transport Complex IV
Muscles
Enzymes
Biopsy
Mitochondria
Muscle Hypotonia
Cytochromes
Glycogen
Respiratory Insufficiency
Ventilation
Electrophoresis
Polyacrylamide Gel Electrophoresis
Lactic Acid
Skeletal Muscle
Seizures
Enzyme-Linked Immunosorbent Assay
Fats
Lipids
Lung

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Clinical Neurology
  • Neuroscience(all)

Cite this

Bresolin, N., Zeviani, M., Bonilla, E., Miller, R. H., Leech, R. W., Shanske, S., ... DiMauro, S. (1985). Fatal infantile cytochrome c oxidase deficiency: Decrease of immunologically detectable enzyme in muscle. Neurology, 35(6), 802-812.

Fatal infantile cytochrome c oxidase deficiency : Decrease of immunologically detectable enzyme in muscle. / Bresolin, Nereo; Zeviani, Massimo; Bonilla, Eduardo; Miller, Ronald H.; Leech, Richard W.; Shanske, Sara; Nakagawa, Masanori; DiMauro, Salvatore.

In: Neurology, Vol. 35, No. 6, 1985, p. 802-812.

Research output: Contribution to journalArticle

Bresolin, N, Zeviani, M, Bonilla, E, Miller, RH, Leech, RW, Shanske, S, Nakagawa, M & DiMauro, S 1985, 'Fatal infantile cytochrome c oxidase deficiency: Decrease of immunologically detectable enzyme in muscle', Neurology, vol. 35, no. 6, pp. 802-812.
Bresolin N, Zeviani M, Bonilla E, Miller RH, Leech RW, Shanske S et al. Fatal infantile cytochrome c oxidase deficiency: Decrease of immunologically detectable enzyme in muscle. Neurology. 1985;35(6):802-812.
Bresolin, Nereo ; Zeviani, Massimo ; Bonilla, Eduardo ; Miller, Ronald H. ; Leech, Richard W. ; Shanske, Sara ; Nakagawa, Masanori ; DiMauro, Salvatore. / Fatal infantile cytochrome c oxidase deficiency : Decrease of immunologically detectable enzyme in muscle. In: Neurology. 1985 ; Vol. 35, No. 6. pp. 802-812.
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