Lucigenin chemiluminescence and its relationship to mitochondrial respiration in phagocytic cells

Russell L. Esterline, Michael A. Trush

Research output: Contribution to journalArticle

Abstract

Unstimulated alveolar macrophages, but not polymorphonuclear leukocytes, elicit chemiluminescence from lucigenin which cannot be entirely accounted for by the resting level of superoxide generation. This chemiluminescence was inhibited by both superoxide scavengers and inhibitors of mitochondrial respiration. Although 12-0-tetradecanoyl phorbol-13-acetate addition resulted in a significant increase in cellular superoxide generation, an unexpected decrease in lucigenin chemiluminescence was noted. These results suggest that mitochondria in alveolar macrophages may be a site of lucigenin accumulation and dioxygenation and that 12-0-tetradecanoyl phorbol-13-acetate may modulate this activity.

Original languageEnglish (US)
Pages (from-to)584-591
Number of pages8
JournalBiochemical and Biophysical Research Communications
Volume159
Issue number2
DOIs
StatePublished - Mar 15 1989

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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