Histochemical localization of monoamine oxidase types A and B in the adrenal gland

The distribution of monoamine oxidase types A and B within the adrenal gland was studied in several mammals by histochemical methods. Controls showed that the methods were valid. The bovine adrenal medulla contained mostly the B type enzyme, distributed heterogeneously, with some A type associated w...

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Bibliographic Details
Published inThe Histochemical journal Vol. 17; no. 12; p. 1289
Main Authors Carmichael, S W, Pfeiffer, G L
Format Journal Article
LanguageEnglish
Published Netherlands 01.12.1985
Subjects
Adrenal Cortex - enzymology
Adrenal Glands - anatomy & histology
Adrenal Glands - enzymology
Adrenal Medulla - enzymology
Animals
Cats
Cattle
Clorgyline
Dogs
Histocytochemistry
Monoamine Oxidase - analysis
Monoamine Oxidase - classification
Pargyline
Phenethylamines
Rats
Selegiline
Serotonin
Species Specificity
Substrate Specificity
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Summary:The distribution of monoamine oxidase types A and B within the adrenal gland was studied in several mammals by histochemical methods. Controls showed that the methods were valid. The bovine adrenal medulla contained mostly the B type enzyme, distributed heterogeneously, with some A type associated with endothelium, nerves, and cells surrounding the nerves. The bovine adrenal cortex showed a marked zonation of the two types of monoamine oxidase. The zona glomerulosa contained the B type enzyme and the zona fasciculata and zona reticularis contained the type A enzyme. The adrenal medulla of the dog, cat, and rat demonstrated relatively little enzyme activity and it appeared to be both type A and B. The adrenal cortex of these animals appeared to contain mostly the B type enzyme, except the canine zona reticularis, which contained some A type monoamine oxidase as well.
ISSN:0018-2214
DOI:10.1007/BF01002526