{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T23:08:28Z","timestamp":1779232108143,"version":"3.51.4"},"reference-count":37,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[1992,2,1]],"date-time":"1992-02-01T00:00:00Z","timestamp":696902400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Toxicol Pathol"],"published-print":{"date-parts":[[1992,2]]},"abstract":"<jats:p>\n                    Cephaloridine (Cld) is a nephrotoxic cephalosporin antibiotic. The intracellular biochemical changes that occur leading to Cld-induced nephrotoxicity may involve lipid peroxidation and\/or mitochondrial injury. The purpose of this report was to examine and correlate the biochemical changes induced by Cld in vivo and in vitro with the observed pathological changes in an attempt to understand better the mechanisms of \u03b2T-lactam-induced nephrotoxicity. Cld treatment (500 mg\/kg sc) caused elevations in blood urea nitrogen and decreases in the accumulation of p-aminohippurate (PAH) and tetraethylammonium (TEA) by renal cortical slices. Histopathological alterations, characterized by individual cell necrosis of tubular epithelial cells, were first seen 6 hr after treatment in the pars recta of the outer stripe of the medulla. Ultrastructural alterations involved the straight (S\n                    <jats:sub>2<\/jats:sub>\n                    and S\n                    <jats:sub>3<\/jats:sub>\n                    ) segments of the proximal tubules. Mitochondrial morphology was, for the most part, unaffected by Cld exposure. Cld did not cause any significant changes in tissue malondialdehyde (MDA) content in vivo at any of the time points examined, but it did cause a depletion of GSH to approximately 40% of control by 1 hr after dosing that recovered toward control by 6 hr. Significant changes were observed in renal ATP content beginning at 6 hr after treatment; however, this change mirrored the onset of histological evidence of necrosis. In isolated tubules in vitro, the onset of glutathione (GSH) depletion and MDA formation clearly preceded lactate dehydrogenase (LDH) leakage, whereas ATP depletion was a mirror image of cell death. These data demonstrate that isolated proximal tubules in vitro are a reasonable model for Cld nephrotoxicity in vivo. Cld-induced mitochondrial alterations leading to ATP depletion and cell injury were not observed in this study.\n                  <\/jats:p>","DOI":"10.1177\/019262339202000203","type":"journal-article","created":{"date-parts":[[2009,9,14]],"date-time":"2009-09-14T21:30:11Z","timestamp":1252963811000},"page":"155-168","source":"Crossref","is-referenced-by-count":22,"title":["Cephaloridine-Induced Renal Pathological and Biochemical Changes in Female Rabbits and Isolated Proximal Tubules in Suspension"],"prefix":"10.1177","volume":"20","author":[{"given":"Glenn F.","family":"Rush","sequence":"first","affiliation":[{"name":"Departments of Biochemical Toxicology, Pathology, and Drug Metabolism and Disposition, Lilly Research Laboratories, Indianapolis, Indiana 46285"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. Alan","family":"Heim","sequence":"additional","affiliation":[{"name":"Departments of Biochemical Toxicology, Pathology, and Drug Metabolism and Disposition, Lilly Research Laboratories, Indianapolis, Indiana 46285"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. 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