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Penicillin-Induced Metabolic Alterations in Isolated Cerebral Cortex
Phillip D. Swanson, MD
Arch Neurol. 1972;26(2):169-174.
Abstract
Thin slices prepared from guinea pig cerebral cortex were incubated in the presence of varying concentrations of penicillin G sodium. Early effects included a fall in levels of creatine phosphate and adenosine triphosphate. Lactate production and respiration were inhibited. Slices lost potassium ions from the noninulin space, but this effect occurred more slowly than the effects on high-energy phosphates. Penicillin appears to interfere primarily with energy production in cerebral tissues. Its epileptogenic properties could, however, result from leakage of potassium ions from some elements with secondary effects on others.
Author Affiliations
Seattle
From the Division of Neurology, Department of Medicine, University of Washington School of Medicine, Seattle.
Footnotes
Accepted for publication July 27, 1971.
Reprint requests to Division of Neurology, Department of Medicine, University of Washington School of Medicine, Seattle 98105 (Dr. Swanson).
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