The Vacuolar-Type -ATPase in Ovine Rumen Epithelium is Regulated by Metabolic Signals
Effect of glucose replacement by 2-DOG and/or of antimycin A application on p of ruminal epithelial cells. Measurements were made in either HEPES-buffered -free Na-medium containing 5 mM glucose (control) or in glucose-free media with blockers as indicated. (a): The figure shows original traces from one experiment. (b): To summarize the inhibitor effects, the mean p reduction from the p measured in control medium with glucose and without metabolic inhibitors has been calculated and is shown for each condition. Inhibitor concentrations are 5 M and 20 mM for antimycin A and 2-DOG, respectively. Values are means SE from 8 to 9 single measurements; versus control.
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