Mechanisms involved in catecholamine effect on glycogenolysis in catfish isolated hepatocytes.


Isolated catfish hepatocytes were treated with epinephrine, norepinephrine, isoproterenol, and phenylephrine in the presence or in the absence of propranolol or phentolamine as beta and alpha inhibitors, respectively. Glycogen phosphorylase a activity and glycogen content, as well as glucose released from cells, were tested. Phosphorylase activity was… (More)


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