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Ayusso LL, Girol AP, Ribeiro Souza H, Yoshikawa AH, de Azevedo LR, Carlos CP, Volpini RA, Schor N, Burdmann EA. The anti-inflammatory properties of green tea extract protect against gentamicin-induced kidney injury. Biomed Pharmacother 2024; 179:117267. [PMID: 39173271 DOI: 10.1016/j.biopha.2024.117267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 08/01/2024] [Accepted: 08/05/2024] [Indexed: 08/24/2024] Open
Abstract
We assessed in vivo the protective effects and underlying antioxidant and anti-inflammatory properties of dry green tee extract (GTE) on glomerular and tubular kidney function and structure in an experimental model of gentamicin (GEN)-induced nephrotoxicity. Wistar rats were divided into four groups and treated daily for 10 days. The control group received distilled water; the GTE group received 20 μg/g body weight (BW) GTE by gavage; the GEN group received 100 mg/g BW GEN intraperitoneally; and the GEN+GTE group received GTE and GEN simultaneously, as described above. At the beginning and end of treatment, the serum creatinine, fractional excretion of sodium and potassium, and plasma heme oxygenase (HO)-1 levels and oxidative stress (OS) were assessed. At the end of the experiment, kidney fragments were collected for histological evaluation and immunohistochemical studies of cyclooxygenase (COX)-2 and nuclear factor (NF)kB. The levels of interleukin (IL)-1b, IL-4, IL-6, IL-10 and monocyte chemotactic protein (MCP)-1 were measured in kidney tissue. The results showed that GTE attenuated significantly kidney structural injury and prevented GEN-induced kidney functional injury (glomerular and tubular function). GTE significantly attenuated the kidney tissue increase of the proinflammatory mediators NF-kB, COX2, IL-1b and MCP-1 and significantly increased the kidney expression of the anti-inflammatory cytokines IL-6 and IL-10. However, GTE did not prevent OS increase in GEN-treated animals. In conclusion, GTE protected against GEN nephrotoxicity, likely due to direct blockade of the inflammatory cascade, which might had occurred independently of its antioxidant effect.
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Affiliation(s)
- Luis L Ayusso
- Division of Nephrology, University Center Padre Albino (UNIFIPA), Catanduva, SP 15809144, Brazil.
| | - Ana P Girol
- Experimental and Clinical Research Center (CEPEC), University Center Padre Albino (UNIFIPA), Catanduva, SP 15809144, Brazil; Biosciences Graduate Program, Institute of Biosciences, Letters and Exact Sciences, Universidade Estadual Paulista (UNESP), São José do Rio Preto, SP 15054-000, Brazil; Structural and Functional Biology Graduate Program, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP 04023-900, Brazil.
| | - Helena Ribeiro Souza
- Experimental and Clinical Research Center (CEPEC), University Center Padre Albino (UNIFIPA), Catanduva, SP 15809144, Brazil.
| | - Ariane H Yoshikawa
- Experimental and Clinical Research Center (CEPEC), University Center Padre Albino (UNIFIPA), Catanduva, SP 15809144, Brazil.
| | - Lucas R de Azevedo
- Experimental and Clinical Research Center (CEPEC), University Center Padre Albino (UNIFIPA), Catanduva, SP 15809144, Brazil.
| | - Carla P Carlos
- Experimental Research Laboratory, School of Medicine, (FACERES), São José do Rio Preto, SP 15090305, Brazil.
| | - Rildo A Volpini
- LIM 12, Faculdade de Medicina da Universidade de São Paulo, São Paulo 01246903, Brazil.
| | - Nestor Schor
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo, São Paulo, SP 04023062, Brazil
| | - Emmanuel A Burdmann
- LIM 12, Faculdade de Medicina da Universidade de São Paulo, São Paulo 01246903, Brazil.
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Trugilho L, Alvarenga L, Cardozo LF, Barboza I, Leite M, Fouque D, Mafra D. Vitamin E and conflicting understandings in noncommunicable diseases: Is it worth supplementing? Clin Nutr ESPEN 2024; 59:343-354. [PMID: 38220396 DOI: 10.1016/j.clnesp.2023.12.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 12/08/2023] [Accepted: 12/26/2023] [Indexed: 01/16/2024]
Abstract
Vitamin E is a lipid-soluble nutrient found mainly in vegetable oils and oilseeds. It is divided into eight homologous compounds; however, only α-tocopherol exhibits vitamin activity. Many advantages are related to these compounds, including cellular protection through antioxidant and anti-inflammatory activity, and improving lipid metabolism. Physiopathology of many diseases incepts with reduced antioxidant defense, characterized by an increased reactive oxygen species production and activation of transcription factors involved in inflammation, such as nuclear factor-kappa B (NF-κB), that can be linked to oxidative stress. Moreover, disorders of lipid metabolism can increase the risk of cardiovascular diseases. In addition, intestinal dysbiosis plays a vital role in developing chronic non-communicable diseases. In this regard, vitamin E can be considered to mitigate those disorders, but data still needs to be more conclusive. This narrative review aims to elucidate the mechanisms of action of vitamin E and if supplementation can be beneficial in a disease scenario regarding non-communicable diseases.
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Affiliation(s)
- Liana Trugilho
- Graduate Program in Medical Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil
| | - Livia Alvarenga
- Graduate Program in Biological Sciences - Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Ludmila Fmf Cardozo
- Graduate Program in Cardiovascular Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil
| | - Isis Barboza
- Graduate Program in Cardiovascular Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil
| | - Maurilo Leite
- Division of Nephrology, Federal University of Rio de Janeiro (UFRJ), Brazil
| | - Denis Fouque
- Department of Nephrology, Centre Hopitalier Lyon Sud, INSERM 1060, CENS, Université de Lyon, France
| | - Denise Mafra
- Graduate Program in Medical Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil; Graduate Program in Biological Sciences - Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil.
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Aissous I, Benrebai M, Ameddah S, Menad A, Erenler R, Benayache S, Benayache F. The preventive effects of Centaurea maroccana Ball. extract against oxidative stress induced by cisplatin in mice brains: in vitro and in vivo studies. Drug Chem Toxicol 2023; 46:1162-1175. [PMID: 36330673 DOI: 10.1080/01480545.2022.2139841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 09/28/2022] [Accepted: 10/15/2022] [Indexed: 11/06/2022]
Abstract
Since antiquity, Centaurea species have been used in folk medicine to treat several diseases owing to their potential biological activities that distinguish this genus such as antioxidant, anticancer, and anti-inflammatory effect. The current study aimed to investigate the possible neuroprotective effects of the n-butanol extract of Centaurea maroccana (BECM) against cisplatin (CP) induced neurotoxicity in mice. BECM's potential neuroprotective properties were studied in vitro and in vivo models. Male Swiss albino mice were orally received BECM (200 mg/kg) for 10 days before a single intraperitoneal injection of cisplatin (8 mg/kg). Vitamin E (100 mg/kg) was given daily by gavage as a positive control. In vitro results revealed that BECM inhibited lipid peroxidation (LPO) levels and acetylcholinesterase (AChE) activity. In vivo findings showed that BECM pretreatment was able to regulate lactate dehydrogenase (LDH) levels and to improve CP-induced cholinergic dysfunction by inhibiting AChE activity in mice brains. Moreover, BECM attenuated CP-provoked oxidative stress by suppressing LPO levels, increasing total antioxidant capacity (TAC) and enhancing the activities of antioxidant enzymes (catalase (CAT), superoxide dismutase (SOD), reduced glutathione (GSH), glutathione peroxidase (GPx) and glutathione S-transferase (GST)) in both brain cytosolic and mitochondrial fractions. The histological analysis exhibited neurotoprotective effect of BECM by protecting the cerebral cortex and reducing the histomorphological alterations resulted by cisplatin. Interestingly, our extract achieved neuroprotection comparable to vitamin E in most evaluated parameters. It appears that protective potency of BECM against CP-induced neurotoxicity could be related to its richness in polyphenols confirmed by liquid-chromatography tandem mass spectrometry analysis (LC-MS/MS).
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Affiliation(s)
- Imane Aissous
- Laboratory of Biology and Environment, Department of Animal Biology, Faculty of Sciences of Nature and Life, University of Mentouri Constantine 1, Constantine, Algeria
| | - Mouad Benrebai
- Laboratory of Biology and Environment, Department of Animal Biology, Faculty of Sciences of Nature and Life, University of Mentouri Constantine 1, Constantine, Algeria
| | - Souad Ameddah
- Laboratory of Biology and Environment, Department of Animal Biology, Faculty of Sciences of Nature and Life, University of Mentouri Constantine 1, Constantine, Algeria
| | - Ahmed Menad
- Laboratory of Biology and Environment, Department of Animal Biology, Faculty of Sciences of Nature and Life, University of Mentouri Constantine 1, Constantine, Algeria
| | - Ramazan Erenler
- Plant Research Laboratory, Department of Chemistry, Faculty of Arts and Sciences, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Samir Benayache
- Research Unit, Valorization of Natural Resources, Bioactive Molecules, Physicochemical and Biological Analysis (VARENBIOMOL), University of Mentouri Constantine 1, Constantine, Algeria
| | - Fadila Benayache
- Research Unit, Valorization of Natural Resources, Bioactive Molecules, Physicochemical and Biological Analysis (VARENBIOMOL), University of Mentouri Constantine 1, Constantine, Algeria
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Feng YL, Yang Y, Chen H. Small molecules as a source for acute kidney injury therapy. Pharmacol Ther 2022; 237:108169. [DOI: 10.1016/j.pharmthera.2022.108169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/28/2022] [Accepted: 03/07/2022] [Indexed: 10/18/2022]
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Lane BM, Chryst-Stangl M, Wu G, Shalaby M, El Desoky S, Middleton CC, Huggins K, Sood A, Ochoa A, Malone AF, Vancini R, Miller SE, Hall G, Kim SY, Howell DN, Kari JA, Gbadegesin R. Steroid-sensitive nephrotic syndrome candidate gene CLVS1 regulates podocyte oxidative stress and endocytosis. JCI Insight 2022; 7:e152102. [PMID: 34874915 PMCID: PMC9018043 DOI: 10.1172/jci.insight.152102] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 12/01/2021] [Indexed: 11/17/2022] Open
Abstract
We performed next-generation sequencing in patients with familial steroid-sensitive nephrotic syndrome (SSNS) and identified a homozygous segregating variant (p.H310Y) in the gene encoding clavesin-1 (CLVS1) in a consanguineous family with 3 affected individuals. Knockdown of the clavesin gene in zebrafish (clvs2) produced edema phenotypes due to disruption of podocyte structure and loss of glomerular filtration barrier integrity that could be rescued by WT CLVS1 but not the p.H310Y variant. Analysis of cultured human podocytes with CRISPR/Cas9-mediated CLVS1 knockout or homozygous H310Y knockin revealed deficits in clathrin-mediated endocytosis and increased susceptibility to apoptosis that could be rescued with corticosteroid treatment, mimicking the steroid responsiveness observed in patients with SSNS. The p.H310Y variant also disrupted binding of clavesin-1 to α-tocopherol transfer protein, resulting in increased reactive oxygen species (ROS) accumulation in CLVS1-deficient podocytes. Treatment of CLVS1-knockout or homozygous H310Y-knockin podocytes with pharmacological ROS inhibitors restored viability to control levels. Taken together, these data identify CLVS1 as a candidate gene for SSNS, provide insight into therapeutic effects of corticosteroids on podocyte cellular dynamics, and add to the growing evidence of the importance of endocytosis and oxidative stress regulation to podocyte function.
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Affiliation(s)
- Brandon M. Lane
- Department of Pediatrics, Division of Nephrology, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
| | - Megan Chryst-Stangl
- Department of Pediatrics, Division of Nephrology, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
| | - Guanghong Wu
- Department of Pediatrics, Division of Nephrology, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
| | - Mohamed Shalaby
- Pediatric Department, Pediatric Nephrology Center of Excellence, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sherif El Desoky
- Pediatric Department, Pediatric Nephrology Center of Excellence, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Claire C. Middleton
- Department of Pediatrics, Division of Nephrology, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
| | - Kinsie Huggins
- Department of Pediatrics, Division of Nephrology, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
| | - Amika Sood
- Department of Biostatistics and Bioinformatics and Duke Center for Statistical Genetics and Genomics, Duke University, Durham, North Carolina, USA
| | - Alejandro Ochoa
- Department of Biostatistics and Bioinformatics and Duke Center for Statistical Genetics and Genomics, Duke University, Durham, North Carolina, USA
| | - Andrew F. Malone
- Department of Medicine, Division of Nephrology, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | | | | | - Gentzon Hall
- Department of Pediatrics, Division of Nephrology, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
- Department of Medicine, Division of Nephrology; and
| | - So Young Kim
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, North Carolina, USA
| | | | - Jameela A. Kari
- Pediatric Department, Pediatric Nephrology Center of Excellence, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Rasheed Gbadegesin
- Department of Pediatrics, Division of Nephrology, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
- Department of Medicine, Division of Nephrology; and
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Askari H, Enayati N, Ahmadian-Attari MM, Bakhtiyari M, Alirezaei A. Protective Effects of Descurainia sophia against Gentamicin Induced Nephrotoxicity in Rats. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2021; 20:40-52. [PMID: 34400939 PMCID: PMC8170741 DOI: 10.22037/ijpr.2020.112105.13535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Several studies have tried to find an efficient agent to prevent or reverse gentamicin (Gm) induced acute kidney injury (AKI). In this study, we assessed the potential renal protective effects of Descurainia sophia (L.) Webb ex Prantl against Gm-induced nephrotoxicity in rats. Thirty-five male Wistar rats were categorized in five groups (n = 7 per group). Control group was treated with normal saline. In four experimental groups, the rats were initially treated with normal saline (A), 800 (B), 1600 (C) and 2400 (D) mg/kg Descurainia sophia respectively for 28 days. After that, the rats of experimental groups were treated with Gm (80 mg/Kg) for 7 consecutive days. Blood and urine markers, as well as apoptosis and histological features were determined. Serum BUN, creatinine, cholesterol, and triglycerides level, as well as urinary excretion of Na+ significantly increased in group A. Furthermore, Gm induced inflammatory cells infiltration, apoptosis, and renal cells injuries in rats were pretreated with normal saline (group A). However, in the rats pretreated with Descurainia sophia extract (groups B, C, and D, there were significant and dose-dependent reductions in serum BUN, creatinine, cholesterol and triglyceride, urinary Na+ excretion, apoptosis rate, and inflammatory cells infiltration in renal tissues. Overall, Descurainia sophia showed significant protective effects against Gm-induced AKI by alleviating biochemical and histological markers of renal toxicity.
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Affiliation(s)
- Hassan Askari
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Noora Enayati
- Department of Photochemistry, Medicinal Plants and Drug Research Institute, Shahid Beheshti University, Tehran, Iran
| | - Mohammad Mehdi Ahmadian-Attari
- Evidence-based Phytotherapy and Complementary Medicine Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Mahmood Bakhtiyari
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.,Department of Community Medicine, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Amirhesam Alirezaei
- Clinical Research and Development Center, Shahid Modarres Hospital, Department of Nephrology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Vurmaz A, Ertekin A, Sabaner MC, Atay E, Bozkurt E, Bilir A. Effects of vitamin E in a glucocorticoid induced cataract model in chicken embryos. Biotech Histochem 2020; 96:431-438. [PMID: 32957855 DOI: 10.1080/10520295.2020.1818284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
We investigated the antioxidant effects of vitamin E on a glucocorticoid (GC) induced model of cataracts in chick embryos. We used 70 fertilized eggs divided into seven groups as follows: phosphate-buffered saline (PBS) group, olive oil treatment (OO) group, hydrocortisone treatment (HC) group, olive oil and hydrocortisone treatment (OO + HC) group, 50 mg/kg vitamin E and hydrocortisone treatment (HC + VE (50)) group, 25 mg/kg vitamin E and hydrocortisone treatment (HC + VE (25)) group and 15 mg/kg vitamin E and hydrocortisone treatment (HC + VE (15)) group. On day 17, chick embryos were removed from the eggs and lens and liver tissues were excised. Cataract formation was evaluated and total antioxidant status (TAS), total oxidant status (TOS), malondialdehyde (MDA) and glutathione peroxidase (GPx) were measured in lens and liver tissues; MDA was measured only in liver. The lenses in the HC + VE (50) group exhibited significantly higher levels of GPx and TAS, and lower levels of TOS than for HC and OO + HC groups. The livers of the HC + VE (50) group exhibited significantly higher levels of GPx and lower levels of MDA than for the HC and OO + HC groups. The HC + VE (50) group lenses were evaluated as grade 1, because the nuclei were completely free of cataracts, likely due to the antioxidative effect of high dose VE. VE is an effective antioxidant agent that exhibits a dose-response effect, for ameliorating the negative effects of GCs.
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Affiliation(s)
- A Vurmaz
- Department of Biochemistry, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - A Ertekin
- Department of Emergency Medicine, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - M Cem Sabaner
- Department of Ophthalmology, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - E Atay
- Department of Anatomy, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - E Bozkurt
- Department of Internal Medicine, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - A Bilir
- Department of Anatomy, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
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Development of a Novel Pharmaceutical Formula of Nanoparticle Lipid Carriers of Gentamicin/α-Tocopherol and In Vivo Assessment of the Antioxidant Protective Effect of α-Tocopherol in Gentamicin-Induced Nephrotoxicity. Antibiotics (Basel) 2019; 8:antibiotics8040234. [PMID: 31775233 PMCID: PMC6963454 DOI: 10.3390/antibiotics8040234] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/17/2019] [Accepted: 11/21/2019] [Indexed: 12/15/2022] Open
Abstract
Gentamicin is a potent antibiotic with a nephrotoxicity drawback which limits its use. D-α-tocopherol polyethylene glycol succinate (α-tocopherol) is widely used as a surfactant and have potent antioxidant properties. This study aimed to assess the protective effect of α-tocopherol on gentamicin-induced nephrotoxicity by loading gentamicin on nanostructured lipid carriers (NLC). In vivo, the product was administered intravenously to three groups of rabbits (control, gentamicin and gentamicin/α-tocopherol NLC) for 10 consecutive days. Blood was collected on days 1, 5 and 10 to assess renal function. A significant difference in all plasma parameters related to kidney function were observed in the gentamicin group compared to the control by day 5 and 10, confirming the nephrotoxicity effect. On the other hand, the same parameter levels of the NLC group were significantly different compared to the gentamicin group, confirming the protective effect on kidney function. Gentamicin also caused significant decreases in plasma levels of glutathione sulfhydryl (GSH) and superoxide dismutase (SOD) activity. However, gentamicin-α-tocopherol NLC significantly elevates both plasma levels of GSH as well as SOD activity. The present work indicates that, loading of gentamicin on NLC by using α-tocopherol, is an innovative strategy to protect against aminoglycoside-induced nephrotoxicity due to its antioxidant activity.
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Abdel-Daim MM, Aleya L, El-Bialy BE, Abushouk AI, Alkahtani S, Alarifi S, Alkahtane AA, AlBasher G, Ali D, Almeer RS, Al-Sultan NK, Alghamdi J, Alahmari A, Bungau SG. The ameliorative effects of ceftriaxone and vitamin E against cisplatin-induced nephrotoxicity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:15248-15254. [PMID: 30929167 DOI: 10.1007/s11356-019-04801-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/06/2019] [Indexed: 06/09/2023]
Abstract
Nephrotoxicity is a common adverse effect of treatment with cisplatin (CDDP). This study was performed to evaluate the antioxidant and nephroprotective efficacy of ceftriaxone (CTX) and vitamin E (Vit.E), alone and in combination against CDDP-induced acute renal injury. Fifty-six male albino rats were equally divided into seven groups, receiving (I) normal saline, (II) CTX (100 mg/kg, intraperitoneal [i.p] injection), (III) Vit.E (100 mg/kg orally), (IV) CDDP (5 mg/kg i.p injection), (V) CDDP plus CTX, (VI) CDDP plus Vit.E, and (VII) CDDP plus CTX in combination with Vit.E. All treatments were administered daily for 10 days except CDDP, which was given as a single dose at the sixth day of the study. Compared to normal control rats, CDDP-injected rats showed significantly (p < 0.05) higher serum levels of renal injury biomarkers (uric acid, urea, and creatinine) and tumor necrosis factor-α (TNF-α), as well as increased renal tissue concentrations of malondialdehyde, nitric oxide, and TNF-α. Moreover, CDDP administration was associated with significantly lower (p < 0.05) renal tissue levels of reduced glutathione and activities of endogenous antioxidant enzymes (glutathione peroxidase, superoxide dismutase, and catalase) and total antioxidant capacity. All these alterations were significantly ameliorated in CDDP-injected rats, receiving CTX and/or Vit.E, compared to rats receiving CDDP alone. Interestingly, the antioxidant and anti-inflammatory effects were more marked in the CTX-Vit.E combination group, compared to groups receiving either drug alone. In conclusion, CTX and Vit.E (especially in combination) could counteract the nephrotoxic effect of CDDP, probably through their antioxidant activities.
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Affiliation(s)
- Mohamed M Abdel-Daim
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, 25030, Besançon Cedex, France
| | - Badr E El-Bialy
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Sadat City University, Sadat City, Egypt
| | | | - Saad Alkahtani
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Abdullah A Alkahtane
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Gadah AlBasher
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Daoud Ali
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Rafa S Almeer
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Nouf K Al-Sultan
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Jawahir Alghamdi
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Abeer Alahmari
- Department of Biology, Science College, King Khalid University, Abha, Saudi Arabia
| | - Simona G Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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α-Tocopherol Ameliorates Redox Equilibrium and Reduces Inflammatory Response Caused by Chronic Variable Stress. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7210783. [PMID: 30533439 PMCID: PMC6250045 DOI: 10.1155/2018/7210783] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/20/2018] [Accepted: 10/28/2018] [Indexed: 12/14/2022]
Abstract
Chronic exposure to stress factors contributes to the development of depression by generating excess of reactive oxygen species which leads to oxidative stress and inflammatory processes. The aim of the study was to assess the potential protective properties of α-tocopherol supplementation on the rats exposed to chronic variable stress (CVS). Male Wistar rats (50-55 days old, weighing 200-250 g) were divided into three groups (n=10): control, stressed, and stressed and receiving (+)-α-tocopherol solution in a dose of 100 mg/kg/day. Rats in the stressed groups were exposed to CVS for 40 days. Markers of redox disorders (glutathione reduced and oxidized levels, GSH/GSSG ratio, glutathione peroxidase, glutathione reductase activities, total antioxidant status, and lipid peroxidation) and inflammatory response (IL-1β, IL6, and TNF-α) were determined in the blood. Additionally, molecular biomarkers of depression (expression of Fkbp5 and Tph2) were studied in hippocampus. The biochemical analysis was inconclusive about the presence of oxidative stress in the blood of rats exposed to CVS. However, changes in all parameters suggest presence of redox equilibrium disorders. Similarly, activation of inflammatory processes was observed as a result of CVS. Molecular effects of environmental stress in hippocampus were also observed. Generally, α-tocopherol ameliorated redox equilibrium disorders, tempered inflammatory response, and protected from changes in determined molecular markers of depression.
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