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Vicente-Vicente L, Quiros Y, Pérez-Barriocanal F, López-Novoa JM, López-Hernández FJ, Morales AI. Nephrotoxicity of uranium: pathophysiological, diagnostic and therapeutic perspectives. Toxicol Sci 2010; 118:324-47. [PMID: 20554698 DOI: 10.1093/toxsci/kfq178] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
As in the case of other heavy metals, a considerable body of evidence suggests that overexposure to uranium may cause pathological alterations to the kidneys in both humans and animals. In the present work, our aim was to analyze the available data from a critical perspective that should provide a view of the real danger of the nephrotoxicity of this metal for human beings. A further aim was to elaborate a comparative compilation of the renal pathophysiological data obtained in humans and experimental animals with a view to gaining more insight into our knowledge of the mechanisms of action and renal damage. Finally, we address the existing perspectives for the improvement of diagnostic methods and the treatment of intoxications by uranium, performing an integrated analysis of all these aspects.
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Affiliation(s)
- Laura Vicente-Vicente
- Unidad de Toxicología, Universidad de Salamanca, Edificio Departamental, S-19, Campus Miguel de Unamuno, 37007 Salamanca, Spain
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Gill TS, Tewari H, Pande J. In vivo and in vitro effects of cadmium on selected enzymes in different organs of the fish Barbus conchonius Ham. (rosy barb). COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. C, COMPARATIVE PHARMACOLOGY AND TOXICOLOGY 1991; 100:501-5. [PMID: 1687547 DOI: 10.1016/0742-8413(91)90030-w] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
1. Enzyme modulation by cadmium in selected organs of the fish, Barbus conchonius (rosy barb), was investigated in vivo (48 hr exposure to 12.6 mg/l cadmium chloride) and in vitro (10(-6) M cadmium chloride). 2. The acetylcholinesterase (AchE) activity was depressed in the gills but stimulated in the skeletal muscles and brain in vivo. The hepatic, branchial, and renal acid phosphatase (AcP) activity decreased marginally in vivo but it was significantly increased in the gut and ovary. In vitro, except for the liver, the AcP activity was depressed in the selected organs. Collaterally, gut alkaline phosphatase (AlP) was significantly inhibited but a pronounced stimulation was noted in the kidneys and ovary in vivo. In vitro, the AlP activity was conspicuously elevated in the kidneys and gut, and moderately in the gills. 3. Cadmium inhibited the glutamate-oxaloacetate and glutamate-pyruvate transaminases (GOT and GPT) in the liver, gills and kidneys in vivo. In vitro, the GOT and GPT activities were decreased in the liver, gills and kidneys. The lactic dehydrogenase (LDH) was significantly stimulated by Cd in the heart in vivo but in vitro the metal inhibited the enzyme in the gills. 4. Enzymes in the liver, followed by those in the kidneys and gills seem to be most seriously affected by Cd poisoning in this fish.
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Affiliation(s)
- T S Gill
- Department of Anatomy, Thomas Jefferson University, Philadelphia, Pa 19107
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Fukuoka M, Tanaka A, Yamaha T, Naito K, Takada K, Kobayashi K, Tobe M. Tris (2,3-dibromopropyl) phosphate nephrotoxicity in the rat: histological and biochemical changes in renal components by 13C-NMR spectra. J Appl Toxicol 1988; 8:411-6. [PMID: 3230254 DOI: 10.1002/jat.2550080605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Rats receiving a single oral dose of 286.8 mumol/kg tris(2,3-dibromopropyl)phosphate (Tris-BP) showed pyknosis of the renal tubular epithelial cells on Day 1, necrosis on Day 2, regeneration from Day 3 and large nuclei formation from Day 4. 13C-NMR spectra were applied to clarify changes of the renal low-molecular-weight components in the kidney injured by Tris-BP, and sialic acid and inositol were found as the desired marker components. The lesions produced by Tris-BP were characterized by changes in the renal components and enzyme activities. Increases in sialic acid content of the kidney were observed both on Day 1, suggesting destruction of the epithelial cell membrane, and on Day 5, suggesting regeneration accompanied by an increase of inositol content on Days 7 and 10. Renal activity of cytoplasmic enzyme, alanine aminopeptidase, was decreased on Days 1 and 5 and elevated on Days 7 and 10. Lactate dehydrogenase activity showed a tendency to decrease in the kidneys on Day 1 and to increase significantly on Days 2, 5, 6 and 7.
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Affiliation(s)
- M Fukuoka
- Division of Biological Chemistry, National Institute of Hygienic Sciences, Tokyo, Japan
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Fukuoka M, Takahashi T, Naito K, Takada K. Comparative studies on nephrotoxic effects of tris (2,3-dibromopropyl) phosphate and bis (2,3-dibromopropyl) phosphate on rat urinary metabolites. J Appl Toxicol 1988; 8:43-52. [PMID: 3356864 DOI: 10.1002/jat.2550080108] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The mechanism of Tris-BP or Bis-BP (a metabolite of Tris-BP) induced nephrotoxicity was investigated by determining urinary excretion of enzymes and selected metabolites. Rats received single oral doses of 0, 71.7, 143.4 and 286.8 mumol/kg tris (2,3-dibromopropyl) phosphate (Tris-BP) or bis (2,3-dibromopropyl) phosphate (Bis-BP). Urine was collected over a 24 h period and subjected to biochemical examinations. Comparative studies on Tris-BP- and Bis-BP-induced nephrotoxicities were carried out for abnormal patterns of urinary excretion. The urinary excretion of glucose was higher in Bis-BP than Tris-BP at a dose of 143.4 mumol/kg, but this pattern reversed at a dose of 286.8 mumol/kg. Peak lactate excretion occurred later than peak glucose excretion with 143.4 and 286.8 mumol/kg Tris BP and 143.4 mumol/kg Bis-BP. Bis-BP 286.8 mumol/kg caused a transient urinary elevation of lactate on Day 2. Uric acid was excreted at higher levels for Bis-BP than Tris-BP on day 2 of urine collection. Activities of urinary enzymes including alkaline phosphatase, aspartate aminotransferase and gamma-glutamyltransferase, were different on the first day of post-treatment for Tris-BP and Bis-BP. Leucine aminopeptidase and lactate dehydrogenase levels differed on the second day. Activities of the former enzymes on the day 2 urine suggested a transformation of Tris-BP to Bis-BP. Urinary patterns of lactate dehydrogenase isoenzymes (LDH-1-LDH-5) were different between Tris-BP and Bis-BP when rats were treated with the dose of 286.8 mumol/kg: Tris-BP caused a higher excretion of LDH-4 and LDH-5 in urine on day 1 and all five isoenzymes into the day 2 urine. Bis-BP caused slightly higher excretion of LDH-5 and LDH-4 into the day 1 and 3 urine, respectively. Bis-BP but not Tris-BP caused abnormally urinary excretion of sodium ion. Histopathologically, the nephrotoxic effect of Tris-BP appeared one day later and was more obvious than that of Bis-BP in rats after single oral administration.
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Affiliation(s)
- M Fukuoka
- Division of Medical Chemistry, National Institute of Hygienic Sciences, Tokyo, Japan
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Abstract
The effect of cadmium on the renal lysozyme level was examined by injecting male albino rabbits subcutaneously with 1 mg cadmium/kg body weight three times a week for 1 or 3 months. The lysozyme level in the renal brush border membrane of the cadmium-treated animals was elevated ten-fold. The lysozyme activity in the liver and small intestine tissue homogenates of rabbits was elevated by a 1-month treatment with cadmium, markedly elevated in the kidney, but markedly reduced in the spleen and lungs. Exposure to cadmium for 3 months produced an essentially similar effect on the enzyme level in the tissue, except for the lungs in which the lysozyme level returned to the preinjection level. This marked increase in the lysozyme level in the kidney of cadmium-treated rabbits was confirmed by an indirect immunofluorescent antibody technique. In control animals, intracellular distribution of the enzyme was selectively distributed to only a small number of proximal tubules, with none distributed in the medulla or glomerulus. However, after expose to cadmium, the renal tubules showed strongly positive lysozyme staining. In addition to an increase in intensity of the specific fluorescence, this enzyme was widely distributed not only in the proximal convoluted portion, but also in the straight portion of the proximal tubules, which essentially showed no enzyme activity under normal conditions. The enzyme in these cells was evenly distributed throughout the cytoplasm. The plasma lysozyme level increased immediately after the administration of cadmium, and detectable amounts of the enzyme began to appear in urine from the 3rd week after the first injection, with a 1-week lag after the maximum level of lysozyme in the plasma. This high level of plasma lysozyme, varied two-to four-fold over the control, and lysozymuria continued throughout the experiment. The concentration of cadmium in the renal cortex was 141 micrograms/g wet tissue at 1 month, and 208 micrograms at 3 months. In conclusion, the cadmium-induced enhancement of the lysozyme level in the renal cortex may be due primarily to the elevation of the lysozyme level in plasma by cadmium. The enzymatic high net positive charge, characteristic of lysozyme, may contribute greatly to this mechanism. In addition, the excretion of a large amount of lysozyme into the urine observed in a later stage may be due to the concomitant occurrence of leakage from the destroyed tubular cells and reduced tubular reabsorption of filtered enzyme, whereas lysozymuria at an early stage may be solely due to excess amounts of plasma lysozyme.
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Affiliation(s)
- N Nishimura
- Department of Hygiene, Aichi Medical University, Japan
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Fukuoka M, Takahashi T, Tanaka A, Yamaha T, Naito K, Nakaji Y, Kobayashi K, Tobe M. Nephrotoxic effect of tris(2,3-dibromopropyl)phosphate on rat urinary metabolites: assessment from 13C-NMR spectra of urines and biochemical and histopathological examinations. J Appl Toxicol 1987; 7:23-34. [PMID: 3611594 DOI: 10.1002/jat.2550070106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Rats received either single oral doses of 0, 25, 50, 100 and 200 mg/kg tris(2,3-dibromopropyl)phosphate (Tris-BP) or repeated doses of 50, 100 and 200 mg/kg/day Tris-BP for 7 days. Urine was collected over a 24-hr period and subjected to 13C-NMR and biochemical examinations. Tris-BP produced significant increases of urinary glucose and lactate. Urinary gamma-glutamyltransferase, lactate dehydrogenase and alkaline phosphatase levels were significantly elevated on the first 2 days of post-treatment. Histopathologically, the kidney exhibited proximal tubular damage at a dose of 200 mg/kg. There was a good correlation among the histopathological, biochemical results, and the 13C-NMR urinary metabolite fingerprints in the assessment of Tris-BP-induced renal damage. The abnormal patterns of metabolite excretion suggested that the lesions produced by Tris-BP were caused by changes in the metabolic function of tubular epithelial cells. The urinary excretion of lactate, enzymes and inhibition of glucose reabsorption from the tubular lumina may be attributed to necrosis and desquamation of the tubular cell.
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Nishimura N, Oshima H, Nakano M. Urinary trehalase as an early indicator of cadmium-induced renal tubular damage in rabbit. Arch Toxicol 1986; 59:255-60. [PMID: 3548650 DOI: 10.1007/bf00290547] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The significance of urinary trehalase as a possible early indicator of renal disorder was examined using Cd-treated rabbits, which received 1 mg/kg Cd thrice weekly for 3 months subcutaneously. The results showed that urinary trehalase increased significantly from 1 week after treatment, earlier than LAP, ALP, proteinuria and glucosuria, with no changes in plasma trehalase level. A marked decrease in trehalase activity in renal brush border membranes prepared from Cd-treated rabbits was observed. It was also confirmed by immunohistological techniques that Cd treatment resulted in a marked decrease in specific fluorescence compared with controls. Ouchterlony double diffusion analysis demonstrated that urine and renal brush border extracts formed precipitation lines against anti-renal trehalase IgG, indicating that urinary trehalase and renal trehalase had the same antigenicity. Therefore, the facts presented here would suggest that urinary trehalase originated from the renal brush border, indicating its superiority as a diagnostic tool over other indicative indicating its superiority as a diagnostic tool over other indicative enzymes like LAP and ALP in detecting injury to renal proximal tubular cells in the early stage.
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Nakano M, Itoh G. Elevation of urinary trehalase in mercuric chloride-induced nephrotoxic rabbits: urinary trehalase as a specific indicator of renal brush border damage. Chem Biol Interact 1983; 45:179-89. [PMID: 6224573 DOI: 10.1016/0009-2797(83)90067-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The origin of urinary trehalase in mercuric chloride-induced nephrotoxic rabbits was demonstrated with biochemical and immunochemical techniques. Urinary trehalase was dramatically increased with HgCl2-induced nephrotoxicity. The nephrotoxic kidney showed an extreme decrease in specific fluorescence with fluorescein isothiocyanate (FITC)-conjugated antibody technique. Moreover, trehalase activity in the membrane fraction was remarkably decreased in the nephrotic kidney compared with the control. Judging from the results of immunodiffusion, urinary trehalase and renal trehalase exhibit the same antigenicity. From the data of a time course analysis of nephrotoxicity, the excretion of urinary trehalase was earlier than that of urinary sugar. Previous results show that renal trehalase is localized in the renal tubular brush borders. From these results, it is suggested that urinary trehalase is originated in the renal brush borders. In consideration of the results described in previous papers and in this paper, it is proposed that urinary trehalase is a good indicator of renal brush border damage.
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Kluwe WM. Acute toxicity of 1,2-dibromo-3-chloropropane in the F344 male rat. I. Dose--response relationships and differences in routes of exposure. Toxicol Appl Pharmacol 1981; 59:71-83. [PMID: 7256759 DOI: 10.1016/0041-008x(81)90454-3] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Kluwe WM. Renal function tests as indicators of kidney injury in subacute toxicity studies. Toxicol Appl Pharmacol 1981; 57:414-24. [PMID: 7222048 DOI: 10.1016/0041-008x(81)90239-8] [Citation(s) in RCA: 91] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Schiller CM, Walden R, Fowler BA. Interaction between arsenic and alloxan-induced diabetes--effects on rat urinary enzyme levels. Biochem Pharmacol 1981; 30:168-70. [PMID: 7236306 DOI: 10.1016/0006-2952(81)90189-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Bräunlich H, Fleck C. Urinary enzyme excretion as a indicator of nephrotoxicity in dependence on age. EXPERIMENTAL PATHOLOGY 1981; 20:182-7. [PMID: 7338279 DOI: 10.1016/s0232-1513(81)80036-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
It was tested whether or not the measurement of urinary enzyme excretion is suitable for detection of nephrotoxic effects in newborn and in old aged rats in the same way as in adult rats. In rats of different ages the renal excretion of lactate dehydrogenase (LDH), leucine aminopeptidase (LAP) and alkaline phosphatase (alP) was measured after administration of a single nephrotoxic dose of uranyl nitrate (0.6 mg/100 g b.wt.). In adult and old aged rats the three enzymes indicate the nephrotoxic effect reliably. In 15- and 20-day-old rats only the alkaline phosphatase seems to be an indicator for the nephrotoxicity of uranyl nitrate. There are differences in the time course of enzymuria in dependence on age.
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Schentag JJ, Plaut ME. Patterns of urinary beta 2-microglobulin excretion by patients treated with aminoglycosides. Kidney Int 1980; 17:654-61. [PMID: 6157048 DOI: 10.1038/ki.1980.77] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Aminoglycoside antibiotics are relatively mild nephrotoxins, but their action is site-specific to the proximal tubule. Therefore, use of these drugs presents a unique opportunity to study the temporal relation between the damage to the cells lining the renal proximal tubule and the subsequent rise in the serum creatinine concentration. Our study of 52 aminoglycoside-treated patients included measurements of daily serum creatinine, daily 24-hour urinary beta 2-microglobulin (beta 2M) excretion, and determination of aminoglycoside tissue accumulation. An elevation in beta 2M excretion above the baseline value occurred in 37 of 52 (71%), whereas the serum creatinine concentration rose in only 17 of 52 (33%) of patients. Even fewer patients (10 of 52) demonstrated all three criteria for aminoglycoside nephrotoxicity. These 10 patients had elevated tissue accumulation, evidence of renal tubular damage, and a rise in serum creatinine concentration. The increased beta 2M excretion greater than 50 mg/day preceded the serum creatinine rise by 2 to 7 days. An abnormal baseline beta 2M was not a risk factor for a subsequent rise in creatinine concentration or vice versa. Although each test is primarily site specific, widespread and severe renal proximal tubular damage, regardless of cause, will eventually lead to an elevation of serum creatinine. Thus, serial monitoring of proximal tubular function with urinary beta 2M excretion has potential value in the assessment of insults to this site, but cannot be expected to explain all changes in serum creatinine.
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Bräunlich H. Testing of drugs for nephrotoxicity. General principles and minimal criteria. ARCHIVES OF TOXICOLOGY. SUPPLEMENT. = ARCHIV FUR TOXIKOLOGIE. SUPPLEMENT 1980; 4:233-6. [PMID: 6933909 DOI: 10.1007/978-3-642-67729-8_48] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A programme for testing of drugs for nephrotoxicity is described. The characterization of nephrotoxic effects is possible using a selection of morphological and physiological methods. The validity of the different methods is discussed. The measurement of renal enzyme excretion is a very sensitive method for the detection of an injury of kidney. Alterations of renal excretion of electrolytes and p-aminohippurate can be measured in a simple diuresis study.
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Ansermet F, Mieville C, Diezi J. Urinary enzyme excretion and changes in renal functions induced by toxic substances or by renal ischemia in rats. ARCHIVES OF TOXICOLOGY. SUPPLEMENT. = ARCHIV FUR TOXIKOLOGIE. SUPPLEMENT 1980; 4:201-7. [PMID: 6933903 DOI: 10.1007/978-3-642-67729-8_43] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The urinary excretion of four enzymes (alkaline phosphatase: AP, leucine aminopeptidase: LAP, lactate dehydrogenase: LDH, muramidase: M) was measured in unanesthetized adult male Wistar rats within 48 h after either a single injection of mercuric chloride (HgCl2) (0.5-1.0 mg x kg-1), or of gentamicin (2.5-25 mg x kg-1), or of tobramoycin (2.5-25 mg x kg-1), or after 30 min of clamping of both renal arteries. Glomerular filtration rate (GFR), TmPAH, plasma urea, urinary protein and sodium excretion were measured simultaneously. The excretion of AP, LAP and LDH, but not that of M, increased significantly above control levels after renal ischemia or the nephrotoxic agents; the increase was dose-related after HgCl2. GFR was not depressed, but TmPAH decreased after the higher doses of the toxic agents. Though more sensitive for detecting minor grades of acute renal damage than function tests, measurements of urinary enzyme excretion were fraught with large inter-individual variation, and variable time-course of changes in different types of renal damage. Short-term exposure (3 months) to phenylmercuric acetate was associated with a significant decrease of the urinary excretion of AP, and of LAP, and of AP activity measured histochemically in proximal tubular cells.
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Stroo WE, Hook JB. Renal functional correlates of methyl mercury intoxication: interaction with acute mercuric chloride toxicity. Toxicol Appl Pharmacol 1977; 42:399-410. [PMID: 145668 DOI: 10.1016/0041-008x(77)90017-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Cottrell RC, Agrelo CE, Gangolli SD, Grasso P. Histochemical and biochemical studies of chemically induced acute kidney damage in the rat. FOOD AND COSMETICS TOXICOLOGY 1976; 14:593-8. [PMID: 1017775 DOI: 10.1016/s0015-6264(76)80013-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Die Differenzierung der Nierenverträglichkeit verschiedener Cephalosporine im Tierexperiment. Infection 1976. [DOI: 10.1007/bf01781051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Gitlitz PH, Sunderman FW, Goldblatt PJ. Aminoaciduria and proteinuria in rats after a single intraperitoneal injection of Ni(II). Toxicol Appl Pharmacol 1975; 34:430-40. [PMID: 1209637 DOI: 10.1016/0041-008x(75)90136-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Nomiyama K, Sugata Y, Yammoto A, Nomiyama H. Effects of dietary cadmium on rabbits. I. Early signs of cadmium intoxication. Toxicol Appl Pharmacol 1975; 31:4-12. [PMID: 165590 DOI: 10.1016/0041-008x(75)90046-0] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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