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THE EFFECT OF BRETYLIUM ON ENDOGENOUS AND NEWLY‐SYNTHESIZED NORADRENALINE IN THE MICROSOMAL FRACTION OF RAT HEART
Author(s) -
ABBS E.T.,
PYCOCK C.J.
Publication year - 1974
Publication title -
british journal of pharmacology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.432
H-Index - 211
eISSN - 1476-5381
pISSN - 0007-1188
DOI - 10.1111/j.1476-5381.1974.tb08597.x
Subject(s) - microsome , bretylium , endogeny , chemistry , medicine , endocrinology , fraction (chemistry) , enzyme , biochemistry , biology , chromatography , adrenergic , receptor
Bretylium reduced the content of endogenous and newly‐synthesized noradrenaline (NA) and also reduced the specific activity of NA in the microsomal fraction of rat heart. Bretylium also decreased the endogenous NA content of the microsomal subfraction which equilibrated in the 0.7 M sucrose region of a density gradient; it was without effect on the NA content of other subfractions.