Species and organ differences in the activity and regulation of adenylate and guanylate cyclases

Gorshkova, T.V.; Afinogenova, S.A.; Makarovskaia, E.E.; Smirnova, N.B.; Chekhranova, M.K.

Ukrainskii Biokhimicheskii Zhurnal 59(4): 9-14

1987


ISSN/ISBN: 0201-8470
PMID: 2888225
Document Number: 299160
The activity of adenylate and guanylate cyclases was determined in adrenal, heart, liver and fat tissues of guinea pigs, mice, rabbits and monkeys. The enzymes activities varied markedly depending both on the species and organs. The highest basal activities of adenylate cyclase was observed in all organs of guinea pigs. It was found that organs with low basal level of adenylate cyclase possess high guanylate cyclase. Species variations of the basal and stimulated adenylate cyclase activity may determine the functional activity of an organ: the higher the adenylate cyclase activity, the more intensive steroidogenesis in adrenals, lipolysis in the fat tissue, muscle contraction and nerve impulse conduction in heart.

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