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The activities of two mitochondrial enzymes, succinate dehydrogenase and cytochrome oxidase, have been measured by quantitative cytochemistry and microdensitometry in the synoviocytes of rheumatoid and non-rheumatoid synovial lining cells. Although both tended to be higher in the former, there was no statistically significant difference in the activities of either enzyme in these tissues. However, when cytochrome oxidase activity was measured without exogenous cytochrome c, the activity in the rheumatoid synoviocytes was highly significantly elevated. It is suggested that these findings may indicate only that the cytochrome c-cytochrome oxidase complex in the rheumatoid cells is more stable, possibly because of the increased availability of phospholipids in these cells.
B Henderson, and
L Bitensky, and
J Chayen
June 1980,
Annals of the rheumatic diseases,
B Henderson, and
L Bitensky, and
J Chayen
March 1973,
Beitrage zur Pathologie,
B Henderson, and
L Bitensky, and
J Chayen
January 1974,
Annals of the rheumatic diseases,
B Henderson, and
L Bitensky, and
J Chayen
February 1971,
Beitrage zur Pathologie,
B Henderson, and
L Bitensky, and
J Chayen
March 1966,
Laboratory investigation; a journal of technical methods and pathology,
B Henderson, and
L Bitensky, and
J Chayen
January 1989,
Rheumatology international,
B Henderson, and
L Bitensky, and
J Chayen
August 1992,
Annals of the rheumatic diseases,
B Henderson, and
L Bitensky, and
J Chayen
September 1987,
The Journal of clinical investigation,
B Henderson, and
L Bitensky, and
J Chayen
February 1969,
Clinical and experimental immunology,
B Henderson, and
L Bitensky, and
J Chayen
September 1971,
The Biochemical journal,
