
SUCCINYL LECITHIN AS A SUBSTRATE FOR SUCCINIC DEHYDROGENASE
Author(s) -
Y.H. Abdulla,
C. W. M. Adams,
O. B. Bayliss
Publication year - 1968
Publication title -
journal of histochemistry and cytochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.971
H-Index - 124
eISSN - 1551-5044
pISSN - 0022-1554
DOI - 10.1177/16.1.58
Subject(s) - lecithin , succinate dehydrogenase , substrate (aquarium) , succinic acid , biochemistry , chemistry , succinates , membrane , succinic dehydrogenase , cholesterol , reductase , dehydrogenase , enzyme , biology , ecology
Succinyl lecithin has been used as substrate in the histochemical succinate-tetrazolium reductase system; it is as acceptable to the tissue system as is succinate. Cholesterol succinate, however, is not utilized by this system. It is inferred that the amphophilic nature of succinyl lecithin allows this substrate to penetrate lipid-rich mitochondrial membranes, whereas cholesterol succinate's more hydrophobic nature impedes its movement at such lipid-water interfaces. It must be emphasized that this study does not reveal whether or not succinyl lecithin is a physiologic substrate.
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