Loosely coupled mitochondrial oxidative phosphorylation induced by protoporphyrin

David A. Stumpf*, Edward R B McCabe, Janice K. Parks, William W. Bullen, Susan Schiff

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Protoporphyrin induces loose coupling in rat liver mitochondria at concentrations probably encountered in porphyric patients. Features of porphyric crises suggesting acute mitochondrial dysfunction are reviewed. Porphyrins which accumulate behind enzymatic blocks may produce crises by secondarily altering mitochondrial respiration.

Original languageEnglish (US)
Pages (from-to)182-189
Number of pages8
JournalBiochemical medicine
Volume21
Issue number2
DOIs
StatePublished - Apr 1979

Funding

These investigations were supported by a clinical research grant from the Muscular Dystrophy Association, the National Institute of Child Health and Human Development Grant HD 04024, NIH General Research Support Grant RR 05357-15, and NIH Grant RR-69 from the General Clinical Research Centers Program of the Division of Research Resources.

ASJC Scopus subject areas

  • Biochemistry

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