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Abd-Elhakim YM, Moselhy AAA, Aldhahrani A, Beheiry RR, Mohamed WAM, Soliman MM, Saffaf BA, M. El Deib M. Protective Effect of Curcumin against Sodium Salicylate-Induced Oxidative Kidney Damage, Nuclear Factor-Kappa Dysregulation, and Apoptotic Consequences in Rats. Antioxidants (Basel) 2021; 10:826. [PMID: 34064189 PMCID: PMC8224369 DOI: 10.3390/antiox10060826] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/17/2021] [Accepted: 05/17/2021] [Indexed: 02/07/2023] Open
Abstract
This study examined the effect of sodium salicylates (SS), alone and in combination with curcumin (CUR), on kidney function and architecture in rats. Five rat groups were given 1 mL physiological saline/rat orally, 1 mL olive oil/rat orally, 50 mg CUR/kg bwt orally, 300 mg SS/kg bwt intraperitoneally, or CUR+SS for 15 days. The hematological indices, serum protein profile, serum electrolytes balance, oxidative stress, and lipid peroxidation of kidney tissues were assessed. The histopathological examination and immune expression of Caspase-3 and nuclear factor kappa (NF-κB) were conducted. The findings showed that SS injection induced nephrotoxic activity, including increased serum urea, creatinine, and uric acid levels. It also caused apparent pathological alterations with increased Caspase-3 and NF-κB immuno-expression. In addition, thrombocytopenia, leukocytosis, neutrophilia, hyponatremia, hypochloremia, hypocalcemia, and hypomagnesemia but not hyperkalemia and hyperphosphatemia were evident in SS-injected rats. Moreover, SS exposure increased serum α1 globulin, renal tissue malondialdehyde, and Caspase-3 levels but superoxide dismutase, glutathione peroxidase, and Bcl-2 levels declined. Meanwhile, CUR significantly counteracted the SS harmful impacts on kidneys but SS+CUR co-administration induced an anemic condition. Overall, CUR has an evident protective role against SS-induced renal damage, but the disturbed hematological alterations should be carefully taken into consideration in their combined use.
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Affiliation(s)
- Yasmina M. Abd-Elhakim
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Attia A. A. Moselhy
- Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Adil Aldhahrani
- Clinical Laboratory Sciences Department, Turabah University College, Taif University, Turabah 21995, Saudi Arabia; (A.A.); (M.M.S.)
| | - Rasha R. Beheiry
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Wafaa A. M. Mohamed
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Mohamed Mohamed Soliman
- Clinical Laboratory Sciences Department, Turabah University College, Taif University, Turabah 21995, Saudi Arabia; (A.A.); (M.M.S.)
| | - Bayan A. Saffaf
- Pharmacology Department, Faculty of Pharmacy, Future University, City of the Future 41639, Egypt;
| | - Maha M. El Deib
- Department of Biochemistry, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
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Safety Assessment of Salicylic Acid, Butyloctyl Salicylate, Calcium Salicylate, C12–15 Alkyl Salicylate, Capryloyl Salicylic Acid, Hexyldodecyl Salicylate, Isocetyl Salicylate, Isodecyl Salicylate, Magnesium Salicylate, MEA-Salicylate, Ethylhexyl Salicylate, Potassium Salicylate, Methyl Salicylate, Myristyl Salicylate, Sodium Salicylate, TEA-Salicylate, and Tridecyl Salicylate. Int J Toxicol 2016. [DOI: 10.1177/1091581803022s303] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Salicylic Acid is an aromatic acid used in cosmetic formulations as a denaturant, hair-conditioning agent, and skin-conditioning agent—miscellaneous in a wide range of cosmetic products at concentrations ranging from 0.0008% to 3%. The Calcium, Magnesium, and MEA salts are preservatives, and Potassium Salicylate is a cosmetic biocide and preservative, not currently in use. Sodium Salicylate is used as a denaturant and preservative (0.09% to 2%). The TEA salt of Salicylic Acid is used as an ultraviolet (UV) light absorber (0.0001% to 0.75%). Several Salicylic Acid esters are used as skin conditioning agents—miscellaneous (Capryloyl, 0.1% to 1%; C12–15 Alkyl, no current use; Isocetyl, 3% to 5%; Isodecyl, no current use; and Tridecyl, no current use). Butyloctyl Salicylate (0.5% to 5%) and Hexyldodecyl Salicylate (no current use) are hair-conditioning agents and skin-conditioning agents—miscellaneous. Ethylhexyl Salicylate (formerly known as Octyl Salicylate) is used as a fragrance ingredient, sunscreen agent, and UV light absorber (0.001% to 8%), and Methyl Salicylate is used as a denaturant and flavoring agent (0.0001% to 0.6%). Myristyl Salicylate has no reported function. Isodecyl Salicylate is used in three formulations, but no concentration of use information was reported. Salicylates are absorbed percutaneously. Around 10% of applied salicylates can remain in the skin. Salicylic Acid is reported to enhance percutaneous penetration of some agents (e.g., vitamin A), but not others (e.g., hydrocortisone). Little acute toxicity (LD50 in rats; >2 g/kg) via a dermal exposure route is seen for Salicylic Acid, Methyl Salicylate, Tridecyl Salicylate, and Butyloctyl Salicylate. Short-term oral, inhalation, and parenteral exposures to salicylates sufficient to produce high blood concentrations are associated primarily with liver and kidney damage. Subchronic dermal exposures to undiluted Methyl Salicylate were associated with kidney damage. Chronic oral exposure to Methyl Salicylate produced bone lesions as a function of the level of exposure in 2-year rat studies; liver damage was seen in dogs exposed to 0.15 g/kg/day in one study; kidney and liver weight increases in another study at the same exposure; but no liver or kidney abnormalities in a study at 0.167 g/kg/day. Applications of Isodecyl, Tridecyl, and Butyloctyl Salicylate were not irritating to rabbit skin, whereas undiluted Ethylhexyl Salicylate produced minimal to mild irritation. Methyl Salicylate at a 1% concentration with a 70% ethanol vehicle were irritating, whereas a 6% concentration in polyethylene glycol produced little or no irritation. Isodecyl Salicylate, Methyl Salicylate, Ethylhexyl (Octyl) Salicylate, Tridecyl Salicylate, and Butyloctyl Salicylate were not ocular irritants. Although Salicylic Acid at a concentration of 20% in acetone was positive in the local lymph node assay, a concentration of 20% in acetone/olive oil was not. Methyl Salicylate was negative at concentrations up to 25% in this assay, independent of vehicle. Maximization tests of Methyl Salicylate, Ethylhexyl Salicylate, and Butyloctyl Salicylate produced no sensitization in guinea pigs. Neither Salicylic Acid nor Tridecyl Salicylate were photosensitizers. Salicylic Acid, produced when aspirin is rapidly hydrolyzed after absorption from the gut, was reported to be the causative agent in aspirin teratogenesis in animals. Dermal exposures to Methyl Salicylate, oral exposures to Salicylic Acid, Sodium Salicylate, and Methyl Salicylate, and parenteral exposures to Salicylic Acid, Sodium Salicylate, and Methyl Salicylate are all associated with reproductive and developmental toxicity as a function of blood levels reached as a result of exposure. An exposure assessment of a representative cosmetic product used on a daily basis estimated that the exposure from the cosmetic product would be only 20% of the level seen with ingestion of a “baby” aspirin (81 mg) on a daily basis. Studies of the genotoxic potential of Salicylic Acid, Sodium Salicylate, Isodecyl Salicylate, Methyl Salicylate, Ethylhexyl (Octyl) Salicylate, Tridecyl Salicylate, and Butyloctyl Salicylate were generally negative. Methyl Salicylate, in a mouse skin-painting study, did not induce neoplasms. Likewise, Methyl Salicylate was negative in a mouse pulmonary tumor system. In clinical tests, Salicylic Acid (2%) produced minimal cumulative irritation and slight or no irritation(1.5%); TEA-Salicylate (8%) produced no irritation; Methyl Salicylate (>12%) produced pain and erythema, a 1% aerosol produced erythema, but an 8% solution was not irritating; Ethylhexyl Salicylate (4%) and undiluted Tridecyl Salicylate produced no irritation. In atopic patients, Methyl Salicylate caused irritation as a function of concentration (no irritation at concentrations of 15% or less). In normal skin, Salicylic Acid, Methyl Salicylate, and Ethylhexyl (Octyl) Salicylate are not sensitizers. Salicylic Acid is not a photosensitizer, nor is it phototoxic. Salicylic Acid and Ethylhexyl Salicylate are low-level photoprotective agents. Salicylic Acid is well-documented to have keratolytic action on normal human skin. Because of the possible use of these ingredients as exfoliating agents, a concern exists that repeated use may effectively increase exposure of the dermis and epidermis to UV radiation. It was concluded that the prudent course of action would be to advise the cosmetics industry that there is a risk of increased UV radiation damage with the use of any exfoliant, including Salicylic Acid and the listed salicylates, and that steps need to be taken to formulate cosmetic products with these ingredients as exfoliating agents so as not to increase sun sensitivity, or when increased sun sensitivity would be expected, to include directions for the daily use of sun protection. The available data were not sufficient to establish a limit on concentration of these ingredients, or to identify the minimum pH of formulations containing these ingredients, such that no skin irritation would occur, but it was recognized that it is possible to formulate cosmetic products in a way such that significant irritation would not be likely, and it was concluded that the cosmetics industry should formulate products containing these ingredients so as to be nonirritating. Although simultaneous use of several products containing Salicylic Acid could produce exposures greater than would be seen with use of baby aspirin (an exposure generally considered to not present a reproductive or developmental toxicity risk), it was not considered likely that consumers would simultaneously use multiple cosmetic products containing Salicylic Acid. Based on the available information, the Cosmetic Ingredient Review Expert Panel reached the conclusion that these ingredients are safe as used when formulated to avoid skin irritation and when formulated to avoid increasing the skin's sun sensitivity, or, when increased sun sensitivity would be expected, directions for use include the daily use of sun protection.
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The aging kidney: increased susceptibility to nephrotoxicity. Int J Mol Sci 2014; 15:15358-76. [PMID: 25257519 PMCID: PMC4200815 DOI: 10.3390/ijms150915358] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 08/12/2014] [Accepted: 08/18/2014] [Indexed: 12/13/2022] Open
Abstract
Three decades have passed since a series of studies indicated that the aging kidney was characterized by increased susceptibility to nephrotoxic injury. Data from these experimental models is strengthened by clinical data demonstrating that the aging population has an increased incidence and severity of acute kidney injury (AKI). Since then a number of studies have focused on age-dependent alterations in pathways that predispose the kidney to acute insult. This review will focus on the mechanisms that are altered by aging in the kidney that may increase susceptibility to injury, including hemodynamics, oxidative stress, apoptosis, autophagy, inflammation and decreased repair.
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Trevisan A, Nicolli A, Chiara F. Are rats the appropriate experimental model to understand age-related renal drug metabolism and toxicity? Expert Opin Drug Metab Toxicol 2010; 6:1451-9. [DOI: 10.1517/17425255.2010.531701] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Zanetti E, Chiusolo A, Defazio R, Casartelli A, Cappelletti E, Bocchini N, Chiara F, Cristofori P, Trevisan A. Evaluation of aging influence on renal toxicity caused by segment-specific nephrotoxicants of the proximal tubule in rat. J Appl Toxicol 2009; 30:142-50. [PMID: 19742859 DOI: 10.1002/jat.1480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Little is known concerning the sensitivity of aged rats to xenobiotics inducing kidney damage. To increase this knowledge, the age-dependent response of the kidney to hexachloro-1 : 3-butadiene (HCBD) or potassium dichromate (chromate) was investigated. Rats were treated at different ages with a single dose of segment-specific nephrotoxicants of the proximal tubule, chosen on the basis of their specificity for S(3) and for S(1)-S(2) segments, respectively. The toxicological impact of these xenobiotics has been evaluated through biochemical and genomic markers, and histopathological investigation of kidney samples. HCBD treatment induced tubular necrosis of the S(3) segment of the proximal tubule associated with changes of toxicological markers unrelated to the age. In contrast, chromate treatment induced an increased kidney damage related to the rat age. In fact, histopathological investigation revealed that at 1 month of age tubular vacuolar degeneration was seen affecting S(1)-S(2) segments of the proximal tubule, whereas at 3 months of age tubular necrosis occurred in the same segments associated with tubular dilation of the distal portions. Consistently, biochemical analysis confirmed a direct correlation among genomic and biochemical marker variability and animal age. Altogether, the results show that during aging there is an increased sensitivity of kidney to chromate but not to HCBD-induced damage and evidence differential age-related selectivity of rats for nephrotoxic compounds. Significance for human risk assessment is discussed.
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Affiliation(s)
- Edoardo Zanetti
- Department of Environmental Medicine and Public Health, University of Padova, Padova, Italy
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Tsimihodimos V, Psychogios N, Kakaidi V, Bairaktari E, Elisaf M. Salicylate-Induced Proximal Tubular Dysfunction. Am J Kidney Dis 2007; 50:463-7. [PMID: 17720526 DOI: 10.1053/j.ajkd.2007.03.021] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2006] [Accepted: 03/27/2007] [Indexed: 11/11/2022]
Abstract
We describe the case of a 17-year-old girl who was admitted to our clinic for drug poisoning. Twelve hours after the ingestion of 25 tablets of aspirin (12.5 g of acetylsalicylic acid), the patient had a generalized proximal tubular dysfunction characterized by glucosuria (in the face of normal serum glucose levels), proteinuria, and uric acid wasting. Further characterization of the tubular dysfunction using high-resolution proton nuclear magnetic resonance spectroscopy of the urine showed a pattern consistent with proximal tubular injury. An important characteristic of the salicylate-induced proximal tubular dysfunction in our patient was its rapid reversibility. A trend toward normalization of fractional excretion values of electrolytes was observed 2 days after ingestion. Determination of serum and urine metabolites and spectroscopy of urine 15 days later showed no evidence of tubular dysfunction. The mechanisms potentially implicated in the pathogenesis of salicylate-induced Fanconi syndrome are discussed and a brief review of the relevant literature is provided.
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Affiliation(s)
- Vasilis Tsimihodimos
- Department of Internal Medicine, Medical School, University of Ioannina, Ioannina, Greece
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7
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Truchon G, Perrault G, Tardif R. Toxicologie industrielle et vieillissement. PERSPECTIVES INTERDISCIPLINAIRES SUR LE TRAVAIL ET LA SANTÉ 2004. [DOI: 10.4000/pistes.3279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Abstract
Complex genomic activity and environmental factors regulate neuronal plasticity, which operates during pre- and postnatal development, can be reactivated after injury, and is impaired during aging. In these contexts, the effects of chemicals are often unpredictable because the developing and aging nervous system may or may not be equally susceptible as that of the adult. Thus, the developing central nervous system may be more susceptible to the acute toxicity of certain organophosphorus esters, whereas the developing peripheral nervous system is resistant to organophosphate-induced delayed polyneuropathy. Reasons for age-related susceptibility are manifold, including both differences in toxicokinetics and toxicodynamics and in intrinsic susceptibility of the nervous system, which is related to given physiological conditions. Therefore, the identification of genetic and environmental factors regulating neuronal plasticity becomes critical to the understanding of age-related sensitivity to chemicals. The example of age-related sensitivity to organophosphate-induced delayed polyneuropathy is illustrated together with that of the promotion of axonopathies by certain esterase inhibitors, which also seem modulated according to age. The identification of the molecular targets of both organophosphate neuropathy and promotion of neuropathy might allow the understanding of processes involved in the expression of peripheral neurotoxicities according to age.
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Affiliation(s)
- Marcello Lotti
- Dipartimento di Medicina Ambientale e Sanità Pubblica, Università degli Studi di Padova, via Giustiniani 2, 35128 Padua, Italy.
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Gago-Dominguez M, Yuan JM, Castelao JE, Ross RK, Yu MC. Regular use of analgesics is a risk factor for renal cell carcinoma. Br J Cancer 1999; 81:542-8. [PMID: 10507783 PMCID: PMC2362920 DOI: 10.1038/sj.bjc.6690728] [Citation(s) in RCA: 83] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Phenacetin-based analgesics have been linked to the development of renal pelvis cancer and renal cell carcinoma (RCC). The relationship between non-phenacetin types of analgesics and kidney cancer is less clear, although laboratory evidence suggests that these drugs possess carcinogenic potential. A population-based case-control study involving 1204 non-Asian RCC patients aged 25-74 and an equal number of sex-, age- and race-matched neighbourhood controls was conducted in Los Angeles, California, to investigate the relationship between sustained use of analgesics and risk of RCC according to major formulation categories. Detailed information on medical and medication histories, and other lifestyle factors was collected through in-person interviews. Regular use of analgesics was a significant risk factor for RCC in both men and women (odds ratio (OR) = 1.6, 95% confidence interval (CI) = 1.4-1.9 for both sexes combined). Risks were elevated across all four major classes of analgesics (aspirin, non-steroidal anti-inflammatory agents other than aspirin, acetaminophen and phenacetin). Within each class of analgesics, there was statistically significant increasing risk with increasing level of exposure. Although there was some minor variability by major class of formulation, in general individuals in the highest exposure categories exhibited approximately 2.5-fold increase in risk relative to non- or irregular users of analgesics. Subjects who took one regular-strength (i.e. 325 mg) aspirin a day or less for cardiovascular disease prevention were not at an increased risk of RCC (OR = 0.9, 95% CI = 0.6-1.4).
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Affiliation(s)
- M Gago-Dominguez
- Department of Preventive Medicine, USC/Norris Comprehensive Cancer Center, University of Southern California, Los Angeles 90033-0800, USA
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de la Torre A, Granero S, Mayayo E, Corbella J, Domingo JL. Effect of age on vanadium nephrotoxicity in rats. Toxicol Lett 1999; 105:75-82. [PMID: 10092059 DOI: 10.1016/s0378-4274(98)00385-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The present study was designed to assess potential age dependent differences of vanadium nephrotoxicity in the rat following parenteral administration of vanadate. Young (22 days) and adult (62 days) male Sprague-Dawley rats received i.p. injections of sodium orthovanadate at 10 mg/kg/day for 8 consecutive days. Two additional groups of control rats received i.p. injections of 0.9% saline during the same period. Significant age-differences were found in most of the parameters used as indicators of nephrotoxicity in young and adult rats, with adverse renal effects being more severe with age. Vanadium-induced morphologic changes in the kidney were also more pronounced with age. These findings agree with a higher renal concentration of vanadium in the group of adult rats treated with vanadate than in the vanadate-untreated group. The current results can be of concern if in the future, vanadium compounds can be administered in the treatment of diabetic patients.
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Affiliation(s)
- A de la Torre
- Laboratory of Toxicology and Environmental Health, School of Medicine, Rovira i Virgili University, Reus, Spain
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Ali BH, Bashir AK, Mugamer IT, Tanira MO. Gentamicin nephrotoxicity in the rat: influence of age and diabetes mellitus. Hum Exp Toxicol 1996; 15:51-55. [PMID: 8845210 DOI: 10.1177/096032719601500109] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
1. This work examines the influence of age on some nephrotoxic signs of gentamicin in normal and diabetic rats (aged 1 and 24 months). 2. Gentamicin (80 mg-1 kg-1 day for 6 days, intramuscularly) produced the typical pattern of nephrotoxicity; significantly increasing the plasma concentrations of creatinine and urea, and the urinary excretion of protein, copper and zinc and significantly reducing creatinine clearance and cortical alkaline phosphatase activity. The antibiotic produced a marked damage in the proximal renal tubules. Nearly all of these effects were more marked in the old than in the young rats. Cortical gentamicin concentration in the young was about 67% of that in the old. 3. Streptozotocin-induced diabetes significantly ameliorated the signs of nephrotoxicity of gentamicin in young rats. In old rats, diabetes had significantly less protective effect on the gentamicin-induced nephrotoxic signs than in the young rats. Gentamicin nephrotoxicity in diabetic old rats induced mortality in about a third of the animals used, whereas no mortality was seen in young diabetic rats treated with gentamicin.
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Affiliation(s)
- B H Ali
- Desert and Marine Environment Research Centre, United Arab Emirates
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Ali BH. Gentamicin nephrotoxicity in humans and animals: some recent research. GENERAL PHARMACOLOGY 1995; 26:1477-87. [PMID: 8690234 DOI: 10.1016/0306-3623(95)00049-6] [Citation(s) in RCA: 114] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
It would appear from the literature cited in this article, that interest in gentamicin nephrotoxicity is still thriving. Despite extensive studies, the mechanism(s) of the nephrotoxicity is uncertain. Several clinical and experimental strategies have been employed in order to ameliorate or abolish the signs of gentamicin nephrotoxicity. Most of these were unsuccessful, impractical or unsafe. Therefore there is still a need for further studies to elucidate the mechanism(s) of action of the drugs nephrotoxicity, and to discover safe, practical and effective agents to ameliorate the nephrotoxicity in patients at risk.
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Affiliation(s)
- B H Ali
- Desert and Marine Environment Research Centre, United Arab Emirates University Al-Ain
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Sambasiva R, Arvind A. Effects of quinidine on renal biochemistry and function in young and old rats. PHARMACOLOGY & TOXICOLOGY 1994; 74:334-8. [PMID: 7937566 DOI: 10.1111/j.1600-0773.1994.tb01369.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Nephrotoxic effects of quinidine in male Fischer-344 rats in ages of 3-4 months and 20-22 months were evaluated. Renal cortical slice oxygen consumption, accumulation of p-aminohippurate and tetraethyl ammonium were inhibited in vitro. No age-related differences were observed. Quinidine decreased respiratory control index and ADP/O ratio in both age groups. Quinidine administration at 75 mg/kg/day for four days reduced tetraethylammonium transport in both young and old. Blood urea nitrogen increased in the old, but not in the young rats. Serum creatinine levels were elevated in both age groups. Renal cortical slice oxygen consumption decreased in the young but not in the old rats after quinidine administration. No changes in RCI or ADP/O ratio were observed in the two age groups. The results indicate that Fischer-344 rats in the ages of 20-22 months are not increasingly susceptible to quinidine-induced nephrotoxicity.
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Affiliation(s)
- R Sambasiva
- Department of Sciences, John Jay College, CUNY, NY 10019
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Abstract
Male Fischer-344 rats aged 3-4 months and 30-32 months were used in this study. Quinidine in vitro reduced accumulation of organic ions, p-ammonium hippurate (PAH) and tetraethyl ammonium (TEA), inhibited oxygen consumption and increased LDH leakage, in renal cortical slices. High concentrations of quinidine (2 and 3 mmol l-1) produced overt toxicity and no age related differences in any of the parameters measured were observed. But at lower concentrations significant age-related differences in kidney susceptibility to quinidine were evident. Administration of 75 mg kg-1 day-1 quinidine for 4 days caused exacerbated renal damage in senescent rats compared to young adults as demonstrated by greater elevation of blood urea nitrogen and serum creatinine, and greater inhibition of TEA uptake in renal cortical slices. These results establish significant age related differences in renal damage due to quinidine.
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Affiliation(s)
- A K Agarwal
- Department of Sciences, John Jay College of CUNY, NY 10019
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Trevisan A, Meneghetti P, Maso S, Secondin L, Nicoletto G. Sex- and age-related nephrotoxicity due to 1,2-dichloropropane in vitro. Arch Toxicol 1992; 66:641-5. [PMID: 1482287 DOI: 10.1007/bf01981503] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Sex- and age-related nephrotoxicity due to 1,2-dichloropropane was studied in vitro by means of renal cortical slices obtained from Wistar rats. Reduced glutathione content, organic anion accumulation (p-aminohippurate), and release of malondialdehyde (to measure the extent of lipid peroxidation), aspartate aminotransferase, gamma-glutamyltransferase and lactate dehydrogenase into the incubation medium were determined. Sex differences in naive rats parameters were slight, but male were more susceptible to toxic effects of 1,2-dichloropropane than female rats; glutathione depletion, lipid peroxidation, and loss of organic anion accumulation were higher in male than in female slices. During senescence, naive male rats showed a progressive decrease of glutathione content (statistically significant from 7-9 months of age), increase of spontaneous lipid peroxidation from the same age, and increase of signs of cytotoxicity (release of aspartate aminotransferase and lactate dehydrogenase into the incubation medium) from 3-4 months of age. A loss of organic anion accumulation started from 7-9 months of age. Slices from rats of 3-4 months old showed the apparently highest susceptibility to 1,2-dichloropropane but depletion of glutathione content and loss of organic anion accumulation were at the same level in the oldest rats. The age decrease of control values caused the differences in the percentage ratio and then, apparently, a lower DCP effect. On the contrary, the increase of aspartate aminotransferase released in the incubation medium by DCP-treated slices corresponded to the age-related increase in cytotoxicity.
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Affiliation(s)
- A Trevisan
- Instituto di Medicina del Lavoro, Laboratorio di Tossicologia Industriale, Università di Padova, Italy
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Günther T, Rebentisch E, Vormann J, König M, Ising H. Enhanced ototoxicity of gentamicin and salicylate caused by Mg deficiency and Zn deficiency. Biol Trace Elem Res 1988; 16:43-50. [PMID: 2484534 DOI: 10.1007/bf02795332] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In rats, Mg deficiency caused a moderate hearing loss, measured by means of evoked potentials at 10 and 20 kHz, which was repaired after refeeding a normal diet. Application of 700 mg/kg salicylic acid or injection of 5 x 100 mg/kg gentamicin also caused a reversible hearing loss in normally fed rats. Treatment of Zn-deficient rats with salicylic acid produced a stronger although reversible hearing loss than in normally fed salicylate-treated rats. Treatment of Mg-deficient rats with gentamicin induced a strong hearing loss that was nearly complete and irreversible in 9 of 25 rats.
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Affiliation(s)
- T Günther
- Institut für Molekularbiologie und Biochemie, Freie Universität Berlin, FRG
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Gossrau R, Günther T, Merker HJ, Graf R. Enhancement of maternal and fetal nephrotoxicity of salicylate by zinc deficiency. Morphological, enzyme histochemical and immunohistochemical studies. HISTOCHEMISTRY 1988; 89:81-90. [PMID: 3366668 DOI: 10.1007/bf00496589] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
An oral dose of 700 mg/kg salicylic acid was given to normal and Zn-deficient rats at day 16 of gestation. Maternal and fetal kidneys were studied at day 19 of gestation. Zn-deficiency did not cause any lesions detectable by semi-thin section light microscopy, electron microscopy, enzyme histochemistry and immunohistochemistry. Salicylate may lead only to small morphological, enzymatic and cytoskeletal defects in the maternal and fetal kidney. However, enzyme activities decreased in plasma membranes, mitochondria, lysosomes, endoplasmic reticulum and peroxisomes in all segments of the tubular apparatus when salicylate was given to Zn-deficient rats. Cytoskeletal proteins such as keratin in the glomerular cells and epithelial lining of the collecting ducts and vimentin in vascular endothelial cells of the maternal kidney were also affected. In addition, the epithelial cells of the collecting ducts, which were comparatively less damaged, accumulated high amounts of fat. In severe cases, the enzymatic and cytoskeletal lesions were accompanied by hematuria and tubular necroses including and collecting ducts in the renal papilla. In less severe cases reduced activities of brush border hydrolases were the only sign of disturbed renal function in maternal rats indicating that membrane alteration and loss of membrane-bound enzymes are the primary defects. In the fetal kidneys, mitotic activity of the cells of the nephron anlagen and collecting ducts was reduced and enzymatic and morphological differentiation were disturbed. As a consequence less mature nephrons and collecting ducts occurred.
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Affiliation(s)
- R Gossrau
- Department of Anatomy, Free University of Berlin, Germany
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Miura K, Goldstein RS, Morgan DG, Pasino DA, Hewitt WR, Hook JB. Age-related differences in susceptibility to renal ischemia in rats. Toxicol Appl Pharmacol 1987; 87:284-96. [PMID: 3824387 DOI: 10.1016/0041-008x(87)90290-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
These experiments were designed to determine the influence of age on the response of the kidney to ischemia. Renal ischemia was induced in female Fischer-344 rats, 3-4 or 37-38 months old, by renal arterial and venous occlusion followed by 0, 1, 24, or 96 hr of reflow. Age-matched controls were sham operated but were not subjected to ischemia. A transient postischemic increase in blood urea nitrogen (BUN) and serum creatinine was observed in young rats. In old rats, BUN and serum creatinine remained markedly elevated through 96 hr postischemia. In vitro renal cortical slice accumulation of organic ions was inhibited to a greater extent in old rats than in young rats 96 hr postischemia. Histologically, renal tubular damage was more severe in old than in young rats 24 and 96 hr postischemia. Tubular regenerative activity was similar in old and young rats at 96 hr, but restoration of tubular architecture was more complete in young rats. Organic ion accumulation by renal cortical slices from naive old rats was inhibited by in vitro anoxia (treatment with 100% N2) to a greater extent than tissue from young rats. These data suggest that old rats are more susceptible to renal ischemia than are young rats and these differences in susceptibility may reflect intrinsic age-related differences in basal renal metabolism.
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Abstract
Although the question of whether or not analgesic abuse leads to a certain type of nephropathy has been investigated since 1953, no conclusive answer has been forthcoming. Epidemiologic investigations on the correlation between analgesic abuse and renal function as well as experimental animal studies have given contradictory results concerning the possibility of analgesic-associated kidney damage. However, studies on the correlation between analgesic abuse and papillary necrosis have demonstrated that this lesion coincides in 69% of the cases with an analgesic history. Follow-up studies of patients with analgesic nephropathy have shown that renal function deteriorates in 60% of the patients with continued abuse and that it stabilizes in 80% of the patients after cessation of abuse. Studies on the legislative restriction of phenacetin/acetaminophen, carried out mostly in Scandinavian countries since 1965, show a 50%-90% decline in signs of analgesic nephropathy (papillary necrosis) following a reduction in the sale of these drugs. The prevalence of analgesic abuse may be underestimated, since up to 80% of the abusers tend to deny their analgesic intake. Obviously, only a small percentage of analgesic abusers (approximately 1%) finally develop nephropathy. Even though the results of epidemiologic and experimental studies are contradictory, the results of investigations on papillary necrosis and on legislative prevention as well as of patient follow-ups tend to indicate a correlation between analgesic abuse and a well-defined type of nephropathy.
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Beierschmitt WP, Keenan KP, Weiner M. The development of acetaminophen-induced nephrotoxicity in male Fischer 344 rats of different ages. Arch Toxicol 1986; 59:206-10. [PMID: 3827589 DOI: 10.1007/bf00290539] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Male Fischer 344 rats classified as young (2-4 months), middle-aged (12-15 months) and aged (22-25 months) were administered 600 mg/kg acetaminophen (APAP) IP. Rats were killed 6 and 12 h after dosing, and renal damage evaluated by blood urea nitrogen (BUN) levels and histopathology. In addition, plasma levels of APAP and its sulfate and glucuronide conjugates were determined after 6 h. There was no evidence of renal damage in any age group 6 h after APAP. While no nephrotoxicity was present in young animals after 12 h, BUN was elevated 94% and 214% in middle-aged and aged rats, respectively, compared to young animals. At 12 h, APAP-induced renal lesions were more severe in aged rats compared to middle-aged animals. APAP-induced renal damage, as judged by BUN and histopathology, was not altered in young or middle-aged rats following unilateral nephrectomy. Six hours after APAP, both the middle-aged and aged animals had significantly higher plasma levels of APAP and APAP glucuronide compared to young rats. There were similar amounts of the sulfate conjugate in the plasma of each age group. This suggests pharmacokinetic differences could contribute to the age-related increased susceptibility of male Fischer 344 rats to APAP-induced nephrotoxicity.
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Abstract
Mitochondria are known to contain a P-450 like system similar to that found in microsomes. Since previous in vivo studies from this laboratory have suggested that renal mitochondria may metabolize salicylate (SAL) to a reactive intermediate capable of protein binding, the ability of isolated kidney and liver mitochondria to activate salicylate was investigated. Renal mitochondria were 4 times more active than liver in converting SAL to a reactive intermediate and metabolized approx. 1% of the SAL to 2,3-dihydroxybenzoic acid, the catechol analogue of SAL. The formation of 2,3-dihydroxybenzoate (2,3-DHBA) and the amount of radiolabel bound to mitochondrial protein was decreased in the presence of SKF 525-A; however, excess unlabeled metabolite had no effect on binding. These data indicate that kidney mitochondria activate SAL via a cytochrome P-450 like system, but suggest that the binding species is not 2,3-DHBA itself. Oxidation of SAL and covalent binding of radiolabel, however, were also observed after the addition of ferrous iron and ascorbic acid to a model system containing [14C]SAL and bovine serum albumin. Mannitol decreased SAL oxidation and covalent binding, suggesting radical formation may represent a non-enzymatic mechanism for SAL activation.
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Kyle ME, Kocsis JJ. The effect of mixed function oxidase induction and inhibition on salicylate-induced nephrotoxicity in male rats. Toxicol Appl Pharmacol 1986; 84:241-9. [PMID: 3715872 DOI: 10.1016/0041-008x(86)90131-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A previous study in this laboratory demonstrated that greater nephrotoxicity was induced by 500 mg/kg [14C]salicylate in 12-month-old male Sprague-Dawley rats than in 3-month-old animals, and the increased nephrotoxicity was correlated with greatly increased binding of radioactivity to the renal mitochondria in the older rats. To determine the role of reactive intermediate generation in salicylate-induced nephrotoxicity, male Sprague-Dawley rats were pretreated with piperonyl butoxide, phenobarbital, or Aroclor prior to the administration of 500 mg/kg [14C]salicylate. In the kidneys of rats pretreated with only corn oil, mitochondrial macromolecules contained 57% of the total covalently bound radioactivity while in the livers of these same animals, microsomes contained most (52%) of the bound radioactivity. Pretreatment with piperonyl butoxide, an inhibitor of mixed function oxidase activity, decreased (a) salicylate-induced nephrotoxicity; (b) the covalent binding of [14C]salicylate equivalents to renal mitochondria; and (c) the formation of the 2,3- and 2,5-dihydroxybenoic acid metabolites of salicylate. Pretreatment with phenobarbital and Aroclor, inducers of hepatic P-450, on the other hand, had no effect on salicylate-induced nephrotoxicity nor on the covalent binding of [14C]salicylate equivalents to renal mitochondria. These data are consistent with the hypothesis that salicylate is metabolized to reactive intermediates that irreversibly bind to renal mitochondria and lead to salicylate-induced nephrotoxicity.
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