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Su Y, Feng Y, Lin X, Ma C, Wei J. Genetic association study of TERT gene variants with chronic kidney disease susceptibility in the Chinese population. Ren Fail 2024; 46:2300725. [PMID: 38197421 PMCID: PMC10783823 DOI: 10.1080/0886022x.2023.2300725] [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: 08/04/2023] [Accepted: 12/26/2023] [Indexed: 01/11/2024] Open
Abstract
The incidence and mortality of chronic kidney disease (CKD) are increasing globally. Studies have demonstrated the significance of genetic risk factors in the progression of CKD. Telomerase reverse transcriptase (TERT) may be implicated in the development of CKD. This study aimed to investigate the correlation between TERT gene variants and susceptibility to CKD in the Chinese population. A total of 507 patients with CKD and 510 healthy controls were recruited for this case-control study. Four candidate loci were identified using the MassARRAY platform. Logistic regression analysis was employed to assess the association between TERT gene variants and the risk of CKD. The false positive reporting probability (FPRP) method was utilized to evaluate the validity of statistically significant associations. The multifactorial dimensionality reduction (MDR) method was used to evaluate the interaction between SNPs and the risk of CKD. Furthermore, discrepancies in the clinical features of subjects with diverse genotypes were evaluated using one-way analysis of variance (ANOVA). Our findings revealed a correlation between rs2735940 and rs4635969 and an increased risk of CKD. Stratification analysis indicated that rs4635969 was related to an increased risk of CKD in different subgroups (age ≤ 50 years and male). MDR analysis indicated that the two-site model (rs2735940 and rs4635969) was the best prediction model. Furthermore, the rs2735940 GG genotype was found to be linked to an increased level of microalbuminuria (MAU) in patients with CKD. Our study is the first to reveal a connection between TERT gene variants and susceptibility to CKD, providing new insights into the field of nephrology.
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Affiliation(s)
- Yan Su
- Department of Nephrology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, PRChina
| | - Yuan Feng
- Department of Immunology, the Affiliated Children’s Hospital of Xi’an Jiaotong University, Xi’an, PR China
| | - Xinran Lin
- Department of Nephrology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, PRChina
- Department of Nephrology, the First Affiliated Hospital of Hainan Medical College, Haikou, PR China
| | - Chunyang Ma
- Department of Neurosurgery, the First Affiliated Hospital of Hainan Medical College, Haikou, PR China
| | - Jiali Wei
- Department of Nephrology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, PRChina
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Costa WC, Beltrami VA, Campolina-Silva GH, Queiroz-Junior CM, Florentino RM, Machado JR, Martins DG, Gonçalves WA, Barroso LC, Freitas KM, de Souza-Neto FP, Félix FB, da Silva RF, Oliveira CA, Câmara NOS, Rachid MA, Teixeira MM, Rezende BM, Pinho V. Therapeutic treatment with phosphodiesterase-4 inhibitors alleviates kidney injury and renal fibrosis by increasing MMP-9 in a doxorubicin-induced nephrotoxicity mouse model. Int Immunopharmacol 2023; 115:109583. [PMID: 36610330 DOI: 10.1016/j.intimp.2022.109583] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/25/2022] [Accepted: 12/09/2022] [Indexed: 01/06/2023]
Abstract
Nephrotic syndrome (NS) is associated with kidney dysfunction and is an important cause of morbidity and mortality in industrialized countries. Here, we evaluated the effects of the phosphodiesterase-4 (PDE-4) inhibitors rolipram and roflumilast on a doxorubicin-induced NS model. Early-stage rolipram treatment preserved glomerular filtration barrier function, as indicated by reduced serum protein and albumin loss and the prevention of hypercholesterolemia. These effects were associated with reduced glomerular and tubular lesions and abrogated renal cell apoptosis. In addition, rolipram treatment reduced inflammation, which was characterized by a decrease in macrophage accumulation and reduced levels of CCL2 and TNF in the kidneys. Rolipram also reduced renal fibrosis, which was associated with decreased α-smooth muscle actin (α-SMA) area and increased metalloproteinase 9 (MMP9) activity in renal tissue. Late-stage rolipram or roflumilast treatment preserved glomerular filtration barrier function, as characterized by reduced serum albumin loss, decreased proteinuria, and the prevention of hypercholesterolemia. Importantly, only roflumilast treatment was associated with a reduction in glomerular and tubular lesions at this time point. In addition, both rolipram and roflumilast reduced renal tissue fibrosis and MMP9 activity in renal tissue.
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Affiliation(s)
- Walyson Coelho Costa
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Vinícius Amorim Beltrami
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Celso Martins Queiroz-Junior
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rodrigo M Florentino
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Jéssica Rayssa Machado
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Débora Gonzaga Martins
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - William Antonio Gonçalves
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Katia Michelle Freitas
- Programa de Pós-graduação em Engenharia de Materiais, Centro Federal de Educação Tecnológica de Minas Gerais (CEFET), Belo Horizonte, Brazil
| | - Fernando Pedro de Souza-Neto
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Franciel Batista Félix
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rafaela Fernandes da Silva
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cleida Aparecida Oliveira
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Niels Olsen Saraiva Câmara
- Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Milene Alvarenga Rachid
- Departamento de Patologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mauro Martins Teixeira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Barbara Maximino Rezende
- Departamento de Enfermagem Básica, Escola de Enfermagem, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
| | - Vanessa Pinho
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
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Fabrication of Nutraceutical Beverage from Saffron (Crocus sativus L.) Extract and Studying Its Health Effects. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2023. [DOI: 10.1155/2023/7130266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A saffron extract-based beverage (SEBB) was formulated and characterized based on its sensory attributes and health benefits. The main bioactive compounds of saffron extract (crocin and safranal) were quantified. Three formulations of SEBB were prepared based on the sucrose concentration: SEBB 1 contained 65 g of sucrose per 500 ml, SEBB 2 contained 17.5 g, and SEBB 3 contained 79.5 g. The SEBB most desired by consumers was then subjected to biochemical analysis to evaluate its antioxidative effects on the damage induced by food contaminated with carbon tetrachloride (CCl4). Fifteen albino rats were split into five groups and treated with different doses of CCl4 or SEBB according to the planned animal experiment for 62 days. Sensory evaluation illustrated that SEBB 1 had the highest acceptability scores. The content of crocin and safranal was 23.039 and 4.135 ppm, respectively. The SEBB ameliorated the increased activity of enzymes involved in liver and kidney function and improved the total antioxidant capacity, blood glucose, and lipid profile.
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Brkić BM, Rovčanin B, Stojanović M, Srebro D, Vučković S, Savić Vujović K. Chloroquine Attenuates Oxidative Stress in Gentamicin-Induced Nephrotoxicity in Rats. Dose Response 2022; 20:15593258221119871. [PMID: 36003319 PMCID: PMC9393693 DOI: 10.1177/15593258221119871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 07/18/2022] [Accepted: 07/24/2022] [Indexed: 11/25/2022]
Abstract
The wider application of gentamicin is limited by potential adverse effects
(nephrotoxicity and ototoxicity). The goal of our study was to investigate the effects of
chloroquine on biochemical and oxidative stress parameters in gentamicin-induced
nephrotoxicity in rats. Animals were randomly divided into 1 of 5 groups. First was Sham
group (0.9% NaCl) (n = 8); second group received gentamicin (n = 8); while third (n = 8),
fourth (n = 8) and fifth group (n = 8) received gentamicin and chloroquine in a dose of
0.3, 1 and 3 mg/kg, respectively. The urea and creatinine levels were significantly lower
in chloroquine treated groups in doses of 0.3 mg/kg and 1 mg/kg (P <
0.001). Total oxidant status and the oxidative stress index showed significantly lower
values in all chloroquine treated groups (P < 0.001;
P < 0.005). Malondialdehyde was lower in chloroquine treatment in
doses of 0.3 mg/kg (P < 0.005) and 3 mg/kg (P <
0.05). Chloroquine treatment markedly reduced the level of superoxide dismutase in doses
of 1 mg/kg (P < 0.01) and 3 mg/kg (P < 0.05). Our
study showed that chloroquine attenuates gentamicin-induced nephrotoxicity in rats
regarding biochemical and oxidative stress parameters.
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Affiliation(s)
- Branislava Medić Brkić
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Branislav Rovčanin
- Centre for Endocrine Surgery, Clinical Centre of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Marko Stojanović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Dragana Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Sonja Vučković
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Katarina Savić Vujović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
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Iqbal SM, Hussain L, Hussain M, Akram H, Asif M, Jamshed A, Saleem A, Siddique R. Nephroprotective Potential of a Standardized Extract of Bambusa arundinacea: In Vitro and In Vivo Studies. ACS OMEGA 2022; 7:18159-18167. [PMID: 35664584 PMCID: PMC9161425 DOI: 10.1021/acsomega.2c02047] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/04/2022] [Indexed: 05/25/2023]
Abstract
Bambusa arundinacea (RETZ.) Willd. is distributed in tropical regions of Pakistan, India, and China. It has been used for a long time as a folk remedy for cirrhosis, urinary tract ailments, and various other abdominal cavity disorders. It has antioxidant, free-radical-scavenging, and anti-inflammatory effects. The aims and objectives of this study were to validate the folkloric uses of Bambusa arundinacea and to evaluate its nephroprotective potential on scientific grounds. Gentamycin (G.M, 40 mg/kg) was used to induce nephrotoxicity in the animal model. Two doses of the methanolic extract of Bambusa arundinacea (MEBA; 300 and 500 mg/kg) were utilized in addition to silymarin (200 mg/kg/d). Treatments were administered once daily for 14 days. After 14 days, the blood was collected and the kidneys were removed. The antioxidant potential of the standardized MEBA was evaluated using the total phenolic content, the total flavonoid content, and the DPPH scavenging activity. The plant extract was rich with flavonoid content. The DPPH scavenging activity was 65% as compared to butylated hydroxy toluene (96%), with IC50 values 31.65 and 7.80 μg/mL, respectively. The phytochemical analysis was performed using HPLC, and MEBA was found to contain various phytoconstituents such as quercetin, caffeic acid, vanillic acid, gallic acid, chlorogenic acid, and cinnamic acid. Antioxidant enzymes such as superoxide dismutase and catalase were assayed, and MEBA exhibited significantly improved CAT and SOD levels. The levels of renal function markers such as serum creatinine, serum urea, blood urea nitrogen, serum urea, and serum uric acid levels also evaluated, and a significant retrieval was found in a dose-dependent fashion. Good improvement was also made in various hematological parameters. Statistical analysis was done using analysis of variance to determine the significance of differences among the data. In conclusion, the standardized methanolic extract of Bambusa arundinacea was able to alleviate gentamicin-induced nephrotoxicity by enhancing the antioxidant defensive mechanisms of renal tubular cells.
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Affiliation(s)
- Saba Muzher Iqbal
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
| | - Liaqat Hussain
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
| | - Musaddique Hussain
- Department
of Pharmacology, Faculty of Pharmacy, Islamia
University of Bahawalpur, Bahawalpur, Punjab 63100, Pakistan
| | - Haseeb Akram
- Institute
of Physiology and Pharmacology, Faculty of Veterinary Sciences, University of Agriculture, Faisalabad, Punjab 38000, Pakistan
| | - Muhammad Asif
- Department
of Pharmacology, Faculty of Pharmacy, Islamia
University of Bahawalpur, Bahawalpur, Punjab 63100, Pakistan
| | - Ayesha Jamshed
- Department
of Pharmacology, Faculty of Pharmacy, Islamia
University of Bahawalpur, Bahawalpur, Punjab 63100, Pakistan
| | - Ammara Saleem
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
| | - Rida Siddique
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
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Carmona MD, Paco-Meza LM, Ortega R, Cañadillas S, Caballero-Villarraso J, Blanco A, Herrera C. Hypoxia preconditioning increases the ability of healthy but not diabetic rat-derived adipose stromal/stem cells (ASC) to improve histological lesions of streptozotocin-induced diabetic nephropathy. Pathol Res Pract 2022; 230:153756. [PMID: 35032832 DOI: 10.1016/j.prp.2021.153756] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/24/2021] [Accepted: 12/28/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Mesenchymal stromal cells (MSC) have demonstrated ability to improve diabetic nephropathy (DN) in experimental models, as well as by improving kidney endogenous progenitor cells proliferation and differentiation. Many studies have demonstrated the effect of hypoxia on MSC improving their functionality but the potential enhancement of the nephroprotective properties of MSC cultured under low oxygen concentration has been explored in few studies, none of them in the context of DN. On the other hand, diabetes is associated with abnormalities in MSCs functionality. These findings related to the hypoxia preconditioning ability to enhance adipose-tissue derived-MSC (ASC) performance have led us to wonder if hypoxia could increase the known beneficial effect of normal ASC in DN and if it could correct the expected inability of diabetic rat-derived ASC to exert this effect in vivo. To answer these questions, in the present study we have used ASC from healthy and diabetic-induced rats, cultured under standard conditions or hypoxia preconditioned, in a DN rat model induced by streptozotocin (STZ). METHODS Diabetes was induced in Wistar-rats by 60 mg/kg streptozotocin (STZ) intraperitoneal injection. Fifteen days thereafter, five diabetic-induced rats and five healthy, previously injected with saline, were sacrificed and used as ASC donors . Both healthy and diabetic rat-derived ASC (cASC and dASC, respectively) were cultured under standard conditions (21%O2)(N) or were subjected to a 48 h conditioning period in hypoxia (3%O2)(H). Thus, four types of cells were generated depending on their origin (healthy or diabetic-induced rats) and the culture conditions(N or H):cASC-N, cASC-H, dASC-N and dASC-H. DN experimental study were carried out fifteen days after STZ induction of diabetes in fifty-two healthy rats. DN-induced-animals were randomly assigned to be injected with 200 µL saline as placebo or with 3 × 106 cASC-N, cASC-H, dASC-N or dASC-H, according to the study group. Serum glucose, urea and creatinine, and urine albumin levels were measured at 2-weeks intervals until day+ 45 after ND-induction.Animals were sacrificed and kidneys extracted for histopathological and transmission electron microcopy analysis RESULTS: None of the four study groups that received cell treatment showed significant changes in serum glucose, urea and creatinine levels, urine albumin concentration and body weight compared to placebo ND-induced group. Interestingly, only the group that received cASC-H showed a reduction in glucose and creatinine levels although it did not reach statistical significance.All DN-induced groups treated with ASC reduced significantly renal lesions such as mesangial expansion, mesangiolysis, microaneurysms and acute tubular necrosis compared to ND-induced placebo group (p ≤ 0.05). Renal injuries such as clear tubular cell changes, thickening of tubular basement membrane, tubular cysts and interstitial fibrosis significantly showed reduction in ND-induced rats treated with cASC-H regarding to their received cASCN (p ≤ 0.05). Non statistical differences were observed in the improvement capacity of cASC and dASC culture under standard condition.However, hypoxia preconditioning reduces the presence of tubular cysts (p ≤ 0.01). CONCLUSIONS Hypoxia preconditioning enhances the ability of healthy rat-derived ASC to improve kidney injury in a rat model of DN. Moreover, diabetic-derived ASC exhibits a similar ability to healthy ASC which is clearly more than expected, but it is not significantly modified by hypoxia preconditioning.
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Affiliation(s)
- MDolores Carmona
- Maimonides Institute of Biomedical Research in Cordoba (IMIBIC), Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain; Cellular Therapy Unit and Hematology Department, Reina Sofia University Hospital, Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain; University of Cordoba, Spain.
| | - Luis-Miguel Paco-Meza
- Maimonides Institute of Biomedical Research in Cordoba (IMIBIC), Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain.
| | - Rosa Ortega
- Maimonides Institute of Biomedical Research in Cordoba (IMIBIC), Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain; Anatomy Pathology Department, Reina Sofia University Hospital, Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain.
| | - Sagrario Cañadillas
- Maimonides Institute of Biomedical Research in Cordoba (IMIBIC), Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain.
| | - Javier Caballero-Villarraso
- Maimonides Institute of Biomedical Research in Cordoba (IMIBIC), Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain; Clinical Analysis Department, Reina Sofia University Hospital, Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain; University of Cordoba, Spain.
| | - Alfonso Blanco
- Anatomy and Comparative Pathological Anatomy Department, University of Cordoba, Carretera Nacional IV Km. 396, CP 14014 Cordoba, Spain.
| | - Concha Herrera
- Maimonides Institute of Biomedical Research in Cordoba (IMIBIC), Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain; Cellular Therapy Unit and Hematology Department, Reina Sofia University Hospital, Avenida Menéndez Pidal s/n, CP 14004 Cordoba, Spain; University of Cordoba, Spain.
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Mishra P, Mandlik D, Arulmozhi S, Mahadik K. Nephroprotective role of diosgenin in gentamicin-induced renal toxicity: biochemical, antioxidant, immunological and histopathological approach. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2021. [DOI: 10.1186/s43094-021-00318-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Aminoglycoside antibiotics, gentamicin (GM) owns the utmost nephrotoxic potential than other antibiotics from the same category. To the other side, diosgenin (DG) showed the antioxidant and anti-inflammatory property.
Results
The present study was aimed to explore the nephroprotective effect of diosgenin on gentamicin-induced renal toxicity in Wistar rats. Wistar albino rats were divided into six groups (n = 6): Normal control (NC), Nephrotoxicity control (GM), DG (20 mg/kg), DG (40 mg/kg), DG (80 mg/kg), accordingly. After the treatment, the nephroprotective effects of DG were assessed by measuring serum levels of creatinine (Cr), blood urea nitrogen (BUN), total proteins (TP), albumin and urea levels. Urine volume, proteins, electrolyte levels, creatinine clearance were also evaluated in urine samples. Oxidative stress was evaluated through the measurement of antioxidant stress markers in the kidney tissue. Changes in body weight and kidney weight were also recorded along with a histopathological examination of kidney sections. For evaluation of inflammation, TNF-α and IL-1β levels were measured in the blood serum using ELISA kits. GM intoxication induced elevated serum creatinine, BUN, urea, albumin and TP levels, urine electrolytes levels, pro-inflammatory cytokines, antioxidant parameters which were found to be decreased significantly in a dose-dependent manner in rat groups received DG which was also evidenced by the histological observations.
Conclusion
DG showed a significant nephroprotective effect in a dose-dependent manner by ameliorating the GM induced nephrotoxicity in Wistar rats.
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Thymoquinone, but Not Metformin, Protects against Gentamicin-Induced Nephrotoxicity and Renal Dysfunction in Rats. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11093981] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background: Gentamicin (GM) is an antibiotic that is widely used to treat many Gram-negative bacteria, such as those involved in urinary tract infections. However, being nephrotoxic, GM dose adjustment and reno-protective elements must be concurrently administered with GM to minimize kidney damage. Oxidative stress plays a pivotal role in the pathogenesis of GM-induced nephrotoxicity. Thymoquinone (TQ) is a promising therapeutic substance, that is being extensively studied in many diseases, such as diabetes mellitus, cancer, hypertension, and others. The powerful antioxidant properties of TQ may greatly help in minimizing GM nephrotoxicity. Metformin (MF) is a well-known, clinically approved oral hypoglycaemic drug that has many other actions, including antioxidant properties. The aim of this work was to evaluate the possible antioxidant and reno-protective effects of TQ and metformin in GM-induced nephrotoxicity in the same model (rats) at the same time. In addition, we aimed to further understand the effects underlying GM-induced nephrotoxicity. Methods: Twenty male rats were randomly divided into four equal groups: the first group (control) received distilled water; the second group received GM only; the third group received concurrent oral TQ and GM; and the fourth group received concurrent oral MF and GM. After 4 weeks, renal function and histopathology, as well as levels of the oxidative markers glutathione peroxidase-1 (GLPX1), superoxide dismutase (SOD), and malondialdehyde (MDA) in the kidney tissues, were assessed. Results: Compared with the control group, and as expected, the GM-injected rats showed significant biochemical and histological changes denoting renal damage. Compared with GM-injected rats, the concurrent administration of TQ with GM significantly reduced the levels of serum creatinine, serum urea, and tissue MDA and significantly increased the levels of GLPX1 and SOD. Concurrent metformin administration with GM significantly increased the levels of both GLPX1 and SOD and significantly decreased the levels of tissue MDA but had no significant effect on serum creatinine and urea levels. Compared with GM-injected rats, the addition of either TQ or MF resulted in a reduction in endothelial proliferation and mesangial hypercellularity. Conclusions: Both TQ and MF effectively alleviated the oxidative stress in GM-induced nephrotoxicity in rats, with TQ but not MF producing a complete reno-protective effect. Further studies for evaluation of different reno-protective mechanisms of TQ should be conducted.
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A Novel Dipeptidyl Peptidase-4 Inhibitor DA-1229 Ameliorates Tubulointerstitial Fibrosis in Cyclosporine Nephrotoxicity in Mice. Life (Basel) 2021; 11:life11030251. [PMID: 33803842 PMCID: PMC8003165 DOI: 10.3390/life11030251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/14/2021] [Accepted: 03/16/2021] [Indexed: 01/15/2023] Open
Abstract
Cyclosporine A (CyA) is an immunosuppressive agent that induces nephrotoxicity with long-term treatment. The roles of DPP-4 and its inhibitors in cyclosporine nephrotoxicity are not fully understood. Therefore, we investigated the effects of a novel DPP-4 inhibitor, DA-1229, on the progression of renal disease in an experimental cyclosporine nephrotoxicity model. Chronic cyclosporine nephrotoxicity was induced in six-week-old male ICR mice by subcutaneous injections of CyA at a dose of 30 mg/kg for four weeks. Animals were treated with DA-1229 at a dose of 300 mg/kg per day in food for four weeks. Although DPP-4 activity did not increase in the kidneys of mice with induced cyclosporine nephrotoxicity, DA-1229 treatment significantly suppressed DPP-4 activity in both plasma and renal tissues. DPP-4 inhibition by DA-1229 led to significantly decreased albuminuria and urinary excretion of 8-isoprosatane. DPP-4 inhibition also substantially suppressed pro-inflammatory effects, profibrotic molecules, and macrophage infiltration, and led to the improvement in renal structural changes. Our results suggest that DPP-4 inhibition by DA-1229 provides renoprotective effects in an animal model of cyclosporine nephrotoxicity via antioxidant, anti-inflammatory, and anti-fibrotic mechanisms. DPP-4 inhibition may be a useful new therapeutic approach for the management of progressive renal disease in cyclosporine nephrotoxicity.
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Babaeenezhad E, Hadipour Moradi F, Rahimi Monfared S, Fattahi MD, Nasri M, Amini A, Dezfoulian O, Ahmadvand H. D-Limonene Alleviates Acute Kidney Injury Following Gentamicin Administration in Rats: Role of NF- κB Pathway, Mitochondrial Apoptosis, Oxidative Stress, and PCNA. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6670007. [PMID: 33510839 PMCID: PMC7822690 DOI: 10.1155/2021/6670007] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/27/2020] [Accepted: 01/04/2021] [Indexed: 12/14/2022]
Abstract
Clinical application of gentamicin (GM) is well known to be associated with the development of acute kidney injury (AKI). This study was the first to investigate the possible protective effects of D-limonene (D-lim) on AKI following GM administration in rats. 32 rats arranged in four groups (n = 8): (1) the control group received saline intraperitoneally (0.5 ml/day) and orally (0.5 ml/day), (2) the D-lim group received D-lim (100 mg/kg) orally and saline (0.5 ml/day) intraperitoneally, (3) the GM group received GM (100 mg/kg/day) intraperitoneally and saline (0.5 ml/day) orally, and (4) the treated group received intraperitoneal GM (100 mg/kg) and oral D-lim (100 mg/kg). All treatments were performed daily for 12 consecutive days. Results revealed that D-lim ameliorated GM-induced AKI, oxidative stress, mitochondrial apoptosis, and inflammation. D-lim showed nephroprotective effects as reflected by the decrease in serum urea and creatinine and improvement of renal histopathological changes. D-lim alleviated GM-induced oxidative stress by increasing the activities of renal catalase, serum and renal glutathione peroxidase, and renal superoxide dismutase and decreasing renal malondialdehyde and serum nitric oxide levels. Intriguingly, D-lim suppressed mitochondrial apoptosis by considerably downregulating Bax and caspase-3 (Casp-3) mRNA and protein expressions and markedly enhancing Bcl2 mRNA and protein expressions. Furthermore, D-lim significantly decreases GM-induced inflammatory response through downregulation of NF-κB, IL-6, and TNF-α mRNA and/or protein expressions and decrease in renal myeloperoxidase activity. Finally, D-lim remarkably downregulated PCNA protein expression in the treated group compared with the GM group. In brief, this study showed that D-lim alleviated AKI following GM administration in rats, partially through its antioxidant, anti-inflammatory, and antiapoptotic activities as well as downregulation of PCNA expression.
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Affiliation(s)
- Esmaeel Babaeenezhad
- Department of Clinical Biochemistry, School of Medicine, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Forouzan Hadipour Moradi
- Razi Herbal Medicines Research Center, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Sobhan Rahimi Monfared
- Razi Herbal Medicines Research Center, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Mohammad Davood Fattahi
- Department of Clinical Biochemistry, School of Medicine, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Nasri
- Razi Herbal Medicines Research Center, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Abdolhakim Amini
- Razi Herbal Medicines Research Center, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Omid Dezfoulian
- Department of Pathobiology, School of Veterinary Medicine, Lorestan University, P.O. Box 465, Khorramabad, Iran
| | - Hassan Ahmadvand
- Razi Herbal Medicines Research Center, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
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Izzularab BM, Megeed M, Yehia M. Propolis nanoparticles modulate the inflammatory and apoptotic pathways in carbon tetrachloride-induced liver fibrosis and nephropathy in rats. ENVIRONMENTAL TOXICOLOGY 2021; 36:55-66. [PMID: 32840962 DOI: 10.1002/tox.23010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 07/13/2020] [Accepted: 07/19/2020] [Indexed: 06/11/2023]
Abstract
This study assessed the use of emulsion-produced propolis nanoparticles for treating carbon tetrachloride (CCl4 )-induced liver fibrosis and nephropathy on albino rat model. The evaluation of hepatotoxicity, nephrotoxicity, and the treatment outcomes involved biochemical investigations of blood samples as well as molecular analysis, and histopathological assessment for liver and kidney tissue samples. CCl4 treatment caused elevated biochemical indicators of hepatotoxic and nephrotoxic effects as detected by liver and kidney functions tests, which improved gradually with propolis nanoparticles treatment. The molecular studies showed an increase in transforming growth factor β (TGF-β), Nephrin, and Caspase-9, while Bcl-2 levels dropped in both liver and kidney tissue samples; such changes were normalized after treatment. The histological findings confirm both biochemical and molecular studies. Our results indicated that propolis nanoparticles had an anti-inflammatory effect as proved by decreased expression of TGF-β in liver tissue and Nephrin in kidney tissue. The propolis nanoparticles showed an anti-apoptotic effect on liver and kidney tissue increasing the expression of Bcl-2 and decreasing the expression of Caspase-9.
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Affiliation(s)
- Batoul Mohamed Izzularab
- Biochemistry Division, Chemistry Department, Faculty of Science, Damanhour University, Damanhour, Egypt
| | - Mervat Megeed
- Biophysics, Medical Equipments Department Faculty of Allied Science, Pharos University, Alexandria, Egypt
| | - Mona Yehia
- Histochemistry and Cell Biology Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
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12
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Shebeko S, Zupanets I, Otrishko I. Efficacy of the N-acetylglucosamine in experimental therapy of chronic kidney disease. PHARMACIA 2020. [DOI: 10.3897/pharmacia.67.e38078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The efficacy of N-acetylglucosamine in rats with chronic kidney disease is described in this article. The results of the study show that N-acetylglucosamine significantly increased (p<0.05) the excretion of nitrogen compounds (creatinine by 100.4% and urea by 46.6%) and as a result de-creased the level of azotemia. The intensity of free radical oxidation was significantly decreased (p<0.05) (blood conjugated dienes by 32.9%, blood thiobarbituric acid reactive substances – by 14.1%, kidney conjugated dienes – by 40.1% and kidney thiobarbituric acid reactive substances – by 26.3%) and the balance of kidney antioxidant system was restored. N-acetylglucosamine was significantly superior (p<0.05) to comparator quercetin in renal excretory function and nitro-gen metabolism by the most of indicators and was not inferior to the influence on the free radical oxidation and kidney oxidative stress. Thus, N-acetylglucosamine is advisable to further experimental studies at i.m. administration as a chronic kidney disease treatment.
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13
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Alavi MS, Fanoudi S, Ghasemzadeh Rahbardar M, Mehri S, Hosseinzadeh H. An updated review of protective effects of rosemary and its active constituents against natural and chemical toxicities. Phytother Res 2020; 35:1313-1328. [PMID: 33044022 DOI: 10.1002/ptr.6894] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 08/19/2020] [Accepted: 09/17/2020] [Indexed: 01/17/2023]
Abstract
Natural and chemical toxic agents cause severe adverse effects on people's health in a variety of exposing ways. Herbal medications have taken into consideration as alternative safe treatments for toxicities. Rosmarinus officinalis also known as rosemary belongs to the Lamiaceae family. Rosemary and its constituents including carnosic acid, rosmarinic acid, and carnosol have a lot of benefits such as anti-inflammatory, antioxidant, anti-mutagenic, anti-bacterial, antiviral, antinociceptive, and neuroprotective activities. In this literate review, we focused on the protective effects of rosemary and its main compounds against natural and chemical toxicities in both in vitro and in vivo studies. The protective effects of rosemary and its components are mostly mediated through different mechanisms such as the inhibition of oxidative stress, reduction of inflammatory mediators including tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), interleukin-17 (IL-17), cyclooxygenase-2 (COX-2) and nuclear factor ĸB (NF-ĸB) as well as the modulation of apoptosis and mitogen-activated protein kinase (MAPK) signaling pathways.
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Affiliation(s)
- Mohaddeseh Sadat Alavi
- Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sahar Fanoudi
- Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Soghra Mehri
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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14
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Mestry SN, Gawali NB, Pai SA, Gursahani MS, Dhodi JB, Munshi R, Juvekar AR. Punica granatum improves renal function in gentamicin-induced nephropathy in rats via attenuation of oxidative stress. J Ayurveda Integr Med 2020; 11:16-23. [PMID: 29555255 PMCID: PMC7125389 DOI: 10.1016/j.jaim.2017.09.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 09/11/2017] [Accepted: 09/15/2017] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Gentamicin is widely used as an antibiotic for the treatment of gram negative infections. Evidences indicates that oxidative stress is involved in gentamicin-induced nephrotoxicity. In Ayurvedic medicine, Punica granatum Linn. is considered as 'a pharmacy unto itself". It has been claimed in traditional literature, to treat various kidney ailments due to its antioxidant potential. OBJECTIVE To explore the possible mechanism of action of methanolic extract of P.granatum leaves (MPGL) in exerting a protective effect on gentamicin-induced nephropathy. MATERIAL AND METHODS Animals were administered with gentamicin (80 mg/kg/day i.m.) and simultaneously with MPGL (100, 200 and 400 mg/kg p.o.) or metformin (100 mg/kg p.o.) for 8 days. A satellite group was employed in order to check for reversibility of nephrotoxic effects post discontinuation of gentamicin administration. At the end of the study, all the rats were sacrificed and serum-urine parameters were investigated. Antioxidant enzymes and tumor necrosis factor alpha (TNF-α) levels were determined in the kidney tissues along with histopathological examination of kidneys. RESULTS Increase in serum creatinine, urea, TNF-α, lipid peroxidation along with fall in the antioxidant enzymes activity and degeneration of tubules, arterioles as revealed by histopathological examination confirmed the manifestation of nephrotoxicity caused due to gentamicin. Simultaneous administration of MPGL and gentamicin protected kidneys against nephrotoxic effects of gentamicin as evidenced from normalization of renal function parameters and amelioration of histopathological changes. CONCLUSION Data suggests that MPGL attenuated oxidative stress associated renal injury by preserving antioxidant enzymes, reducing lipid peroxidation and inhibiting inflammatory mediators such as TNF-α.
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Affiliation(s)
- Snehal N Mestry
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg Matunga, Mumbai 400019, Maharashtra, India
| | - Nitin B Gawali
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg Matunga, Mumbai 400019, Maharashtra, India
| | - Sarayu A Pai
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg Matunga, Mumbai 400019, Maharashtra, India
| | - Malvika S Gursahani
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg Matunga, Mumbai 400019, Maharashtra, India
| | - Jayesh B Dhodi
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg Matunga, Mumbai 400019, Maharashtra, India
| | - Renuka Munshi
- Department of Clinical Pharmacology, TN Medical College & BYL Nair Ch. Hospital, Mumbai Central, Mumbai 400008, India
| | - Archana R Juvekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, NP Marg Matunga, Mumbai 400019, Maharashtra, India.
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Vaishnu Devi D, Viswanathan P. Sulphated polysaccharide from Sargassum myriocystum confers protection against gentamicin-induced nephrotoxicity in adult zebrafish. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2019; 72:103269. [PMID: 31585298 DOI: 10.1016/j.etap.2019.103269] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 09/15/2019] [Accepted: 09/21/2019] [Indexed: 02/08/2023]
Abstract
The beneficial effect of purified fraction of sulphated polysaccharide extracted from Sargassum myriocystum (SMP) was examined on the gentamicin-induced nephrotoxicity in adult zebrafish. The major purified fractions (SMP1, SMP2 and SMP3) were obtained by anion-exchange and size-exclusion chromatography and characterized by FTIR, GCMS and NMR. The in vitro antioxidant activities of all purified SMP fractions were analysed. The SMP2 showed maximum carbohydrate, sulphate and fucose content with strong antioxidant activity than other fractions. Further, we evaluated the efficacy of SMP2 against gentamicin-induced nephrotoxicity in zebrafish model. The SMP2 administered group showed a significant attenuation in oxidative stress and histopathological alterations observed in renal tissues of gentamicin treated group. Moreover, the SMP2 supressed renal mRNA expression levels of KIM-1, NF-κB, TNF-α and IL-6 in dose-dependent manner. Thus, the present study suggests that the SMP2 is a potent antioxidant with anti-inflammatory and renoprotective properties that ameliorated the GEN induced nephrotoxicity in adult zebrafish.
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Affiliation(s)
- Durairaj Vaishnu Devi
- Renal Research Lab, Centre for Bio Medical Research, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632 014, India
| | - Pragasam Viswanathan
- Renal Research Lab, Centre for Bio Medical Research, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632 014, India.
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16
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Tavera Busso I, Mateos AC, Juncos LI, Canals N, Carreras HA. Kidney damage induced by sub-chronic fine particulate matter exposure. ENVIRONMENT INTERNATIONAL 2018; 121:635-642. [PMID: 30316178 DOI: 10.1016/j.envint.2018.10.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/01/2018] [Accepted: 10/02/2018] [Indexed: 06/08/2023]
Abstract
According to the WHO, about 3 million people die each year due to ambient air pollution. Most of the in vivo studies on the PM2.5 effects have been done on respiratory and cardiovascular tissues. However, little is known about the effects on the tissues involved on xenobiotic removal, such as kidneys. In the present study we assess the harmful effects of sub-chronic exposure to PM2.5 on the kidney, by investigating histologic and serum alterations in healthy and hypertensive rat models. Mean PM2.5 concentrations during exposures were slightly above the daily WHO standard. Exposed animals showed fibrosis, mesangial expansion, decrease glomerular and tubular lumen volumes in kidneys, with an elevated BUN. Hypertensive animals also exhibited much more severe alterations than healthy animals. We conclude that PM2.5 induces minimal or small-scale abnormalities that can be determinant for renal health preservation.
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Affiliation(s)
- Iván Tavera Busso
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina; Fundación J. Robert Cade, Córdoba, Argentina.
| | - Ana Carolina Mateos
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
| | | | | | - Hebe Alejandra Carreras
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
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17
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Hosseini A, Hosseinzadeh H. Antidotal or protective effects of Curcuma longa (turmeric) and its active ingredient, curcumin, against natural and chemical toxicities: A review. Biomed Pharmacother 2018; 99:411-421. [DOI: 10.1016/j.biopha.2018.01.072] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 01/11/2018] [Accepted: 01/11/2018] [Indexed: 12/19/2022] Open
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18
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Saleh RM, Awadin WF. Biochemical and histopathological changes of subacute cadmium intoxication in male rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:25475-25481. [PMID: 28975487 DOI: 10.1007/s11356-017-0348-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 09/26/2017] [Indexed: 06/07/2023]
Abstract
Biochemical and histopathological effects of subacute intoxication of rats with cadmium (Cd) were studied in rats. Twenty adult healthy male albino rats were randomly divided into two duplicate groups (five rats in each cage); (1) control group where rats were provided with standard diet and water ad-libitum, (2) Cd group where rats were subjected to freshly prepared Cd chloride solution (CdCl2) 200 mg/l in drinking water daily for 8 weeks, the whole duration of experiment. Blood samples were obtained after 4 weeks, via retro-orbital bleeding for separation of serum. Five rats were killed, each sacrifice by decapitation for collection of kidneys and heart. Disturbed renal and cardiac functions were achieved after 4 weeks as indicated by the increase of most biochemical parameters measured in the serum, renal, and cardiac tissues. Histopathological examination of kidneys and hearts showed pathological alterations in Cd-intoxicated rats after 4 and 8 weeks with hematoxylin and eosin (H&E) and Masson trichrome stains. It was concluded that subacute exposure of rats to Cd (200 mg/l) in drinking water daily induced glomerular shrinkage, focal renal, and cardiac fibrosis at 4 and 8 weeks.
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Affiliation(s)
- Rasha M Saleh
- Department of Animal Physiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Walaa F Awadin
- Department of Pathology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt.
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Bayomy NA, Elbakary RH, Ibrahim MAA, Abdelaziz EZ. Effect of Lycopene and Rosmarinic Acid on Gentamicin Induced Renal Cortical Oxidative Stress, Apoptosis, and Autophagy in Adult Male Albino Rat. Anat Rec (Hoboken) 2017; 300:1137-1149. [PMID: 27884046 DOI: 10.1002/ar.23525] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 05/15/2016] [Accepted: 08/01/2016] [Indexed: 12/16/2023]
Abstract
Gentamicin nephrotoxicity accounts for 10%-15% of all cases of acute renal failure. Several natural antioxidants were found to be effective against drug-induced toxicity. The possible protective effects of lycopene (Lyc) and rosmarinic acid (RA) alone or combined on gentamicin (Gen) induced renal cortical oxidative stress, apoptosis, and autophagy were evaluated. Sixty-three rats were randomly divided into seven groups named: control, group II received RA 50 mg/kg/day, group III received Lyc 4 mg/kg/day, group IV received Gen 100 mg/kg/day, group V (RA + Gen), group VI (Lyc + Gen), and group VII (RA + Lyc + Gen). At the end of the experiment, kidney functions were estimated then the kidneys were sampled for histopathological, immunohistochemistry, and biochemical studies. Administration of rosmarinic acid and lycopene decreased elevated serum creatinine, blood urea nitrogen, renal malondialdehyde and immunoexpression of the proapoptotic protein (Bax), autophagic marker protein (LC3/B), and inducible nitric oxide synthase (iNOS) induced by gentamicin. They increased reduced glutathione, glutathione peroxidase, superoxide dismutase, and immunoexpression of the antiapoptotic protein (Bcl2). They also improved the histopathological changes induced by gentamicin. The combination therapy of rosmarinic acid and lycopene shows better protective effects than the corresponding monotherapy. Anat Rec, 300:1137-1149, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Naglaa A Bayomy
- Histology department Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Reda H Elbakary
- Histology department Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Marwa A A Ibrahim
- Histology department Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Eman Z Abdelaziz
- Pharmacology department Faculty of Medicine, Suez Canal University, Ismalia, Egypt
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Telbivudine attenuates gentamicin-induced kidney injury in rats. Int J Antimicrob Agents 2017; 49:595-602. [PMID: 28373116 DOI: 10.1016/j.ijantimicag.2017.01.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 12/26/2016] [Accepted: 01/06/2017] [Indexed: 01/10/2023]
Abstract
Nephrotoxicity has been associated with nucleos(t)ide analogues other than telbivudine (LdT). This study investigated the potential effects of LdT and lamivudine (LAM) on renal function in an experimental rat model of gentamicin-induced acute nephrotoxicity. A total of 28 healthy Wistar albino rats were randomly divided into four experimental groups: negative control; positive control (PC); LdT; and LAM. Nephrotoxicity was induced by gentamicin in the LdT, LAM and PC groups. LdT and LAM were administered to two groups for 6 weeks starting on the ninth day. Blood samples were collected weekly and cystatin C levels were measured by ELISA. Animals were sacrificed on the 50th day and the kidneys were removed for histological examination. Serum cystatin C levels differed significantly between the LdT and LAM groups (P <0.007) and between the LdT and PC groups (P <0.001). Renal function was significantly improved in the LdT group at the start of antiviral treatment on Day 8 and at the end of treatment on Day 50 (P = 0.001 and 0.007). Glomerular injury, acute tubular necrosis and total injury score were significantly reduced in the LdT group relative to the PC and LAM groups upon histopathological examination. LdT was associated with significant improvements in renal function as measured by biochemical and histopathological methods. The acute kidney injury model data should be supported by clinical studies to suggest that LdT treatment may have advantages for patients with underlying chronic kidney disease receiving chronic hepatitis B treatment.
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21
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Abdelrahman RS. Protective effect of apocynin against gentamicin-induced nephrotoxicity in rats. Hum Exp Toxicol 2017; 37:27-37. [DOI: 10.1177/0960327116689716] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- RS Abdelrahman
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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22
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Vicente-Vicente L, Casanova AG, Hernández-Sánchez MT, Pescador M, López-Hernández FJ, Morales AI. A systematic meta-analysis on the efficacy of pre-clinically tested nephroprotectants at preventing aminoglycoside nephrotoxicity. Toxicology 2016; 377:14-24. [PMID: 27940129 DOI: 10.1016/j.tox.2016.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 12/05/2016] [Accepted: 12/06/2016] [Indexed: 01/29/2023]
Abstract
Nephrotoxicity limits the use of aminoglycoside antibiotics. Kidney damage is produced mainly in the renal tubule due to an inflammatory and oxidative process. At preclinical level, many drugs and natural products have been tested as prospective protectors of aminoglycoside nephrotoxicity. The main objective of this work was to make a systematic literature review of preclinical studies about aminoglycoside nephrotoxicity protection and a statistical analysis based on the meta-analysis methodology. Studies published up to January 2016 were identified. After applying inclusion criteria, 54 studies were chosen. The size of the experimental groups, means and standard deviations of data on renal function (i.e. plasma creatinine and blood urea nitrogen [BUN] concentrations) were extracted and registered in a database. The studies were grouped according to the mechanism of nephroprotection and their route of administration. The Mean Difference (95% confidence interval) was calculated for each study and group. 40 of 54 products tested produced an amelioration of aminoglycoside nephrotoxicity based on creatinine results. Also a dose dependent protective effect was observed (both in creatinine and BUN). Products orally administered were more effective than via i.p. Products with attributed antioxidant activity were the most used and those which proved statistically significant nephroprotection as a class effect. Aminoglycoside tubular reuptake inhibitors, excretion inducers and calcium channel blockers also showed a promising and rather homogeneous class tendency towards nephroprotection, although more research is necessary to obtain solid and conclusive results, based on a larger number of studies.
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Affiliation(s)
- Laura Vicente-Vicente
- Unidad de Toxicología, Departamento de Fisiología y Farmacología, University of Salamanca, 37007, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL)-Instituto de Estudios de Ciencias de la Salud de Castilla y León (IESCYL), Salamanca, Spain; Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain; Grupo de Investigación Biomédica en Cuidados Críticos (BioCritic), Valladolid, Spain
| | - Alfredo G Casanova
- Unidad de Toxicología, Departamento de Fisiología y Farmacología, University of Salamanca, 37007, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL)-Instituto de Estudios de Ciencias de la Salud de Castilla y León (IESCYL), Salamanca, Spain; Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain; Grupo de Investigación Biomédica en Cuidados Críticos (BioCritic), Valladolid, Spain
| | - María Teresa Hernández-Sánchez
- Unidad de Toxicología, Departamento de Fisiología y Farmacología, University of Salamanca, 37007, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL)-Instituto de Estudios de Ciencias de la Salud de Castilla y León (IESCYL), Salamanca, Spain; Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain; Grupo de Investigación Biomédica en Cuidados Críticos (BioCritic), Valladolid, Spain
| | - Moisés Pescador
- Unidad de Toxicología, Departamento de Fisiología y Farmacología, University of Salamanca, 37007, Salamanca, Spain; Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain; Grupo de Investigación Biomédica en Cuidados Críticos (BioCritic), Valladolid, Spain
| | - Francisco J López-Hernández
- Unidad de Toxicología, Departamento de Fisiología y Farmacología, University of Salamanca, 37007, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL)-Instituto de Estudios de Ciencias de la Salud de Castilla y León (IESCYL), Salamanca, Spain; Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain; Grupo de Investigación Biomédica en Cuidados Críticos (BioCritic), Valladolid, Spain
| | - Ana Isabel Morales
- Unidad de Toxicología, Departamento de Fisiología y Farmacología, University of Salamanca, 37007, Salamanca, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL)-Instituto de Estudios de Ciencias de la Salud de Castilla y León (IESCYL), Salamanca, Spain; Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain; Grupo de Investigación Biomédica en Cuidados Críticos (BioCritic), Valladolid, Spain.
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Hamza AH, Al-Bishri WM, Damiati LA, Ahmed HH. Mesenchymal stem cells: a future experimental exploration for recession of diabetic nephropathy. Ren Fail 2016; 39:67-76. [PMID: 27774826 PMCID: PMC6014323 DOI: 10.1080/0886022x.2016.1244080] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND The progresses made in stem cell therapy offer an innovative approach and exhibit great potential for the repair of damaged organs and tissues. This study was conducted with a view to find the mechanisms responsible for the effectiveness of bone marrow-derived mesenchymal stem cells (BM-MSCs) in the suppression of diabetes and experimentally-induced diabetic nephropathy. METHODS To realize this objective, diabetic and diabetic nephropathy subject groups that underwent MSC treatment were studied through numerous biochemistry and molecular genetics analyses. RESULTS The findings show that, relative to the control groups, the rats in the diabetic and diabetic nephropathy groups treated with stem cells infused with BM-MSCs showed a significant reversal in the levels of their insulin, glucose, heme-oxygenase-1 (HO-1) serum, and advanced glycation end product (AGEP). Moreover, BM-MSC therapy was also found to have a definite positive effect on the kidney functions. In addition, it also corresponded with a significant decrease in the availability of certain growth factors, namely the fibroblast growth factor (FGF), the platelet-derived growth factor (PDGF), and the transforming growth factor-β (TGF-β). BM-MSC treatment also improved the levels of expression of monocyte chemoatractant-1 (MCP-1) and interleukin-8 (IL-8) genes within kidney tissues. Lastly, the treatment recovered the organizational structure of the kidney and pancreas, a result demonstrated by a histopathological analysis. These results greatly coincide with those obtained through the biochemistry and molecular genetics analyses. CONCLUSION Treatment using BM-MSCs is determined to be definitely effective in cases of diabetes and diabetic nephropathy.
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Affiliation(s)
- Amal H Hamza
- a Biochemictry Department, Faculty of Science Al Faisalia , King Abdulaziz University , Jeddah , Saudi Arabia.,b Biochemistry and Nutrition Department, Faculty of Women , Ain Shams University , Cairo , Egypt
| | - Widad M Al-Bishri
- a Biochemictry Department, Faculty of Science Al Faisalia , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Laila A Damiati
- c Biology Department, Faculty of Science , University of Jeddah , Jeddah , Saudi Arabia
| | - Hanaa H Ahmed
- d Hormones Department , National Research Centre , Dokki , Giza , Egypt
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24
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Beaton H, Andrews D, Parsons M, Murphy M, Gaffney A, Kavanagh D, McKay GJ, Maxwell AP, Taylor CT, Cummins EP, Godson C, Higgins DF, Murphy P, Crean J. Wnt6 regulates epithelial cell differentiation and is dysregulated in renal fibrosis. Am J Physiol Renal Physiol 2016; 311:F35-45. [PMID: 27122540 DOI: 10.1152/ajprenal.00136.2016] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 04/22/2016] [Indexed: 02/07/2023] Open
Abstract
Diabetic nephropathy is the most common microvascular complication of diabetes mellitus, manifesting as mesangial expansion, glomerular basement membrane thickening, glomerular sclerosis, and progressive tubulointerstitial fibrosis leading to end-stage renal disease. Here we describe the functional characterization of Wnt6, whose expression is progressively lost in diabetic nephropathy and animal models of acute tubular injury and renal fibrosis. We have shown prominent Wnt6 and frizzled 7 (FzD7) expression in the mesonephros of the developing mouse kidney, suggesting a role for Wnt6 in epithelialization. Importantly, TCF/Lef reporter activity is also prominent in the mesonephros. Analysis of Wnt family members in human renal biopsies identified differential expression of Wnt6, correlating with severity of the disease. In animal models of tubular injury and fibrosis, loss of Wnt6 was evident. Wnt6 signals through the canonical pathway in renal epithelial cells as evidenced by increased phosphorylation of GSK3β (Ser9), nuclear accumulation of β-catenin and increased TCF/Lef transcriptional activity. FzD7 was identified as a putative receptor of Wnt6. In vitro Wnt6 expression leads to de novo tubulogenesis in renal epithelial cells grown in three-dimensional culture. Importantly, Wnt6 rescued epithelial cell dedifferentiation in response to transforming growth factor-β (TGF-β); Wnt6 reversed TGF-β-mediated increases in vimentin and loss of epithelial phenotype. Wnt6 inhibited TGF-β-mediated p65-NF-κB nuclear translocation, highlighting cross talk between the two pathways. The critical role of NF-κB in the regulation of vimentin expression was confirmed in both p65(-/-) and IKKα/β(-/-) embryonic fibroblasts. We propose that Wnt6 is involved in epithelialization and loss of Wnt6 expression contributes to the pathogenesis of renal fibrosis.
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Affiliation(s)
- Hayley Beaton
- Diabetes Complications Research Centre, Conway Institute of Biomolecular and Biomedical Research, UCD School of Biomolecular and Biomedical Science, Belfield, Dublin, Ireland
| | - Darrell Andrews
- Diabetes Complications Research Centre, Conway Institute of Biomolecular and Biomedical Research, UCD School of Biomolecular and Biomedical Science, Belfield, Dublin, Ireland
| | - Martin Parsons
- Diabetes Complications Research Centre, Conway Institute of Biomolecular and Biomedical Research, UCD School of Biomolecular and Biomedical Science, Belfield, Dublin, Ireland
| | - Mary Murphy
- Diabetes Complications Research Centre, Conway Institute of Biomolecular and Biomedical Research, UCD School of Biomolecular and Biomedical Science, Belfield, Dublin, Ireland
| | - Andrew Gaffney
- UCD School of Medicine and Medical Science, University College Dublin, Belfield, Dublin, Ireland
| | - David Kavanagh
- Nephrology Research Group, Centre for Public Health, Queens University Belfast, Royal Victoria Hospital, Belfast, United Kingdom; and
| | - Gareth J McKay
- Nephrology Research Group, Centre for Public Health, Queens University Belfast, Royal Victoria Hospital, Belfast, United Kingdom; and
| | - Alexander P Maxwell
- Nephrology Research Group, Centre for Public Health, Queens University Belfast, Royal Victoria Hospital, Belfast, United Kingdom; and
| | - Cormac T Taylor
- UCD School of Medicine and Medical Science, University College Dublin, Belfield, Dublin, Ireland
| | - Eoin P Cummins
- UCD School of Medicine and Medical Science, University College Dublin, Belfield, Dublin, Ireland
| | - Catherine Godson
- UCD School of Medicine and Medical Science, University College Dublin, Belfield, Dublin, Ireland
| | - Debra F Higgins
- UCD School of Medicine and Medical Science, University College Dublin, Belfield, Dublin, Ireland
| | - Paula Murphy
- Zoology Department, School of Natural Sciences, Trinity College Dublin, Dublin, Ireland
| | - John Crean
- Diabetes Complications Research Centre, Conway Institute of Biomolecular and Biomedical Research, UCD School of Biomolecular and Biomedical Science, Belfield, Dublin, Ireland;
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25
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Veljković M, Pavlović DR, Stojiljković N, Ilić S, Petrović A, Jovanović I, Radenković M. Morphological and morphometric study of protective effect of green tea in gentamicin-induced nephrotoxicity in rats. Life Sci 2016; 147:85-91. [DOI: 10.1016/j.lfs.2016.01.035] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Revised: 01/17/2016] [Accepted: 01/22/2016] [Indexed: 01/28/2023]
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26
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Gomes IBS, Porto ML, Santos MCLFS, Campagnaro BP, Gava AL, Meyrelles SS, Pereira TMC, Vasquez EC. The protective effects of oral low-dose quercetin on diabetic nephropathy in hypercholesterolemic mice. Front Physiol 2015; 6:247. [PMID: 26388784 PMCID: PMC4557109 DOI: 10.3389/fphys.2015.00247] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 08/17/2015] [Indexed: 11/25/2022] Open
Abstract
Aims: Diabetic nephropathy (DN) is one of the most important causes of chronic renal disease, and the incidence of DN is increasing worldwide. Considering our previous report (Gomes et al., 2014) indicating that chronic treatment with oral low-dose quercetin (10 mg/Kg) demonstrated anti-oxidative, anti-apoptotic and renoprotective effects in the C57BL/6J model of DN, we investigated whether this flavonoid could also have beneficial effects in concurrent DN and spontaneous atherosclerosis using the apolipoprotein E-deficient mouse (apoE−/−). Methods: Streptozotocin was used to induce diabetes (100 mg/kg/day, 3 days) in male apoE−/− mice (8 week-old). After 6 weeks, the mice were randomly separated into DQ: diabetic apoE−/− mice treated with quercetin (10 mg/kg/day, 4 weeks, n = 8), DV: diabetic ApoE−/− mice treated with vehicle (n = 8) and ND: non-treated non-diabetic mice (n = 8). Results: Quercetin treatment diminished polyuria (~30%; p < 0.05), glycemia (~25%, p < 0.05), normalized the hypertriglyceridemia. Moreover, this bioflavonoid diminished creatininemia (~30%, p < 0.01) and reduced proteinuria but not to normal levels. We also observed protective effects on the renal structural changes, including normalization of the index of glomerulosclerosis and kidney weight/body weight. Conclusions: Our data revealed that quercetin treatment significantly reduced DN in hypercholesterolemic mice by inducing biochemical changes (decrease in glucose and triglycerides serum levels) and reduction of glomerulosclerosis. Thus, this study highlights the relevance of quercetin as an alternative therapeutic option for DN, including in diabetes associated with dyslipidemia.
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Affiliation(s)
- Isabele B S Gomes
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo Vitoria, Brazil
| | - Marcella L Porto
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo Vitoria, Brazil
| | - Maria C L F S Santos
- Pharmaceutical Sciences Graduate Program, Vila Velha University Vila Velha, Brazil
| | - Bianca P Campagnaro
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo Vitoria, Brazil ; Pharmaceutical Sciences Graduate Program, Vila Velha University Vila Velha, Brazil
| | - Agata L Gava
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo Vitoria, Brazil
| | - Silvana S Meyrelles
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo Vitoria, Brazil
| | - Thiago M C Pereira
- Pharmaceutical Sciences Graduate Program, Vila Velha University Vila Velha, Brazil ; Department of Biotechnology, Federal Institute of Education, Science and Technology (IFES) Vila Velha, Brazil
| | - Elisardo C Vasquez
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo Vitoria, Brazil ; Pharmaceutical Sciences Graduate Program, Vila Velha University Vila Velha, Brazil ; Emescam School of Health Sciences Vitoria, Brazil
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Kaur M, Sachdeva S, Bedi O, Kaur T, Kumar P. Combined effect of hydrogen sulphide donor and losartan in experimental diabetic nephropathy in rats. J Diabetes Metab Disord 2015. [PMID: 26221579 PMCID: PMC4517497 DOI: 10.1186/s40200-015-0185-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background Diabetic nephropathy (DN) is one of the complex complications of Diabetes Mellitus (DM). The present study has been designed to examine protective role of hydrogen Sulphide (H2S) donor against streptozotocin (STZ) -induced behavioral, oxidative abnormalities and its DN like symptoms in rats. Methods For the induction of DN single intraperitoneal administration of STZ (45 mg/kg) was given till third week. Behavioral parameters were measured on 1st, 7th, 21st and 42nd days and biochemical parameters were performed on 42nd day. All the drug treatments [NaHS (10 & 30 μmol/kg i.p), DL-propargylglycine (10 mg/kg i.p), standard drug- Losartan (5 mg/kg p.o)] were given for 3 weeks staring from 21st day after the STZ injection. Results Three weeks treatment with sodium hydrosulphide (NaHS) (10 and 30 μmol/kg i.p,) significantly attenuated the behavioral and biochemical abnormalities in STZ-treated animals. DL-propargylglycine (10 mg/kg i.p) pretreatment with sub-effective dose of NaHS (30 μmol/kg i.p) significantly reversed the protective effect of NaHS. However, combination of both NaHS (30 μmol/kg i.p) and standard drug losartan (5 mg/kg p.o) potentiated their effects as compared to their effect alone. Conclusion The results of the present study suggest that H2S treatment showed significant improvement in behavioral and biochemical abnormalities induced by STZ administration. Thus H2S represents a target of treatment to prevent the progression of complications by DN.
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Affiliation(s)
- Manpreet Kaur
- Pharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 14200 Punjab India
| | - Shilpi Sachdeva
- Pharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 14200 Punjab India
| | - Onkar Bedi
- Pharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 14200 Punjab India
| | - Tavleen Kaur
- Pharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 14200 Punjab India
| | - Puneet Kumar
- Pharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 14200 Punjab India
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Berredjem H, Reggami Y, Benlaifa M, Berredjem M, Bouzerna N. Antidiabetic and Hypolipidemic Potential of 3, 4-dihydroisoquinolin-2(1H)- Sulfonamide in Alloxan Induced Diabetic Rats. INT J PHARMACOL 2015. [DOI: 10.3923/ijp.2015.226.235] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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29
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Rao RP, Singh A, Jain AK, Srinivasan BP. Dual therapy of rosiglitazone/pioglitazone with glimepiride on diabetic nephropathy in experimentally induced type 2 diabetes rats. J Biomed Res 2013; 25:411-7. [PMID: 23554718 PMCID: PMC3596720 DOI: 10.1016/s1674-8301(11)60054-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2011] [Revised: 08/15/2011] [Accepted: 09/08/2011] [Indexed: 11/28/2022] Open
Abstract
Diabetic nephropathy is a major cause of end-stage renal disease (ESRD) in the general population. It is estimated that diabetic nephropathy will eventually develop in about 40% of all patients with diabetes; therefore, prevention is critical for delaying the development and progression of diabetic kidney disease. Despite extensive efforts, medical advances are still not successful enough to prevent the progression of the disease. In the present study, we focused on the comparison of combination therapies and whether they offered additional renoprotection. Type 2 diabetes mellitus was induced by intraperitoneally administering streptozotocin (90 mg/kg) in neonatal rats and then these rats were treated with rosiglitazone (1.0 mg/kg) in combination with glimepiride (0.5 mg/kg) or with pioglitazone (2.5 mg/kg) in combination with glimepiride (0.5 mg/kg). Diabetic nephropathy markers were evaluated by biochemical and ELISA kits and renal structural changes were examined by light microscopy and transmission electron microscopy. Results show that the combination of pioglitazone with glimepiride is more effective in amelioration of diabetic nephropathy than rosiglitazone with glimepiride drug therapy due to glycemic control, suppressing albumin excretion rate, total protein excretion rate and augmented TNF-a signaling during the development of streptozotocin induced type 2 diabetic nephropathy.
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Affiliation(s)
- Ravi Prakash Rao
- Department of Pharmacology, Delhi Institute of Pharmaceutical Sciences and Research (DIPSAR), New Delhi 110017, India
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30
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Tavafi M. Protection of renal tubules against gentamicin induced nephrotoxicity. J Renal Inj Prev 2013; 2:5-6. [PMID: 25340112 PMCID: PMC4205999 DOI: 10.12861/jrip.2013.03] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Accepted: 01/28/2013] [Indexed: 11/24/2022] Open
Affiliation(s)
- Majid Tavafi
- Department of anatomy, Faculty of Medicine, Lorestan University of Medical sciences, Khoram Abad, Iran
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31
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Pandya KG, Budhram R, Clark G, Lau-Cam CA. Comparative Evaluation of Taurine and Thiotaurine as Protectants Against Diabetes-Induced Nephropathy in a Rat Model. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 775:371-94. [DOI: 10.1007/978-1-4614-6130-2_29] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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32
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Hur E, Garip A, Camyar A, Ilgun S, Ozisik M, Tuna S, Olukman M, Narli Ozdemir Z, Yildirim Sozmen E, Sen S, Akcicek F, Duman S. The effects of vitamin d on gentamicin-induced acute kidney injury in experimental rat model. Int J Endocrinol 2013; 2013:313528. [PMID: 23843788 PMCID: PMC3697300 DOI: 10.1155/2013/313528] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 05/28/2013] [Accepted: 05/30/2013] [Indexed: 12/24/2022] Open
Abstract
Introduction. Acute kidney injury (AKI) pathogenesis is complex. Findings of gentamicin nephrotoxicity are seen in 30% of the AKI patients. Vitamin D has proven to be effective on renin expression, inflammatory response, oxidative stress, apoptosis, and atherosclerosis. We aimed to investigate the effect of vitamin D in an experimental rat model of gentamicin-induced AKI. Methods. Thirty nonuremic Wistar albino rats were divided into 3 groups: Control group, 1 mL saline intramuscular (im) daily; Genta group, gentamicin 100 mg/kg/day (im); Genta + vitamin D, gentamicin 100 mg/kg/day (im) in addition to 1 α , 25 (OH)2D3 0.4 mcg/kg/day subcutaneously for 8 days. Blood pressures and 24-hour urine were measured. Blood urea and creatinine levels and urine tubular injury markers were measured. Renal histology was semiquantitatively assessed. Results. Urea, creatinine and urine neutrophil gelatinase-associated lipocalin, and kidney injury molecule-1 were all increased in Genta group indicating AKI model. Systolic blood pressure decreased, but urine volume and glutathione increased in Genta + Vit D group compared to Control group. Histological scores indicating tubular injury increased in Genta and Genta + Vit D groups. Conclusions. Vitamin D does not seem to be effective on histological findings although it has some beneficial effects via RAS system and a promising effect on antioxidant system.
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Affiliation(s)
- Ender Hur
- Department of Nephrology, Bulent Ecevit University Medical School, Esenkoy, 67100 Zonguldak, Turkey
- *Ender Hur:
| | - Alev Garip
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
| | - Asuman Camyar
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
| | - Sibel Ilgun
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
| | - Melih Ozisik
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
| | - Sena Tuna
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
| | - Murat Olukman
- Department of Pharmacology, Ege University Medical School, 35100 Izmir, Turkey
| | - Zehra Narli Ozdemir
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
| | | | - Sait Sen
- Department of Pathology, Ege University Medical School, 35100 Izmir, Turkey
| | - Fehmi Akcicek
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
| | - Soner Duman
- Department of Internal Medicine, Ege University Medical School, 35100 Izmir, Turkey
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Kadian S, Mahadevan N, Balakumar P. Differential effects of low-dose fenofibrate treatment in diabetic rats with early onset nephropathy and established nephropathy. Eur J Pharmacol 2012; 698:388-96. [PMID: 23085026 DOI: 10.1016/j.ejphar.2012.10.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2012] [Revised: 09/28/2012] [Accepted: 10/06/2012] [Indexed: 01/13/2023]
Abstract
We have previously shown that low-dose fenofibrate treatment has an ability to prevent diabetes-induced nephropathy in rats. We investigated here the comparative pre- and post-treatment effects of low-dose fenofibrate (30 mg/kg/day p.o.) in diabetes-induced onset of nephropathy. Rats were made diabetics by single administration of streptozotocin (STZ, 55 mg/kg i.p.). The development of diabetic nephropathy was assessed biochemically and histologically. Moreover, lipid profile and renal oxidative stress were assessed. Diabetic rats after 8 weeks of STZ-administration developed apparent nephropathy by elevating serum creatinine, blood urea nitrogen and microproteinuria, and inducing glomerular-capsular wall distortion, mesangial expansion and tubular damage and renal oxidative stress. Fenofibrate (30 mg/kg/day p.o., 4 weeks) pretreatment (4 weeks after STZ-administration) markedly prevented diabetes-induced onset of diabetic nephropathy, while the fenofibrate (30 mg/kg/day p.o., 4 weeks) post-treatment (8 weeks after STZ-administration) was less-effective. However, both pre-and post fenofibrate treatments were effective in preventing diabetes-induced renal oxidative stress and lipid alteration in diabetic rats though the pretreatment was slightly more effective. Conversely, both pre-and post fenofibrate treatments did not alter elevated glucose levels in diabetic rats. It may be concluded that diabetes-induced oxidative stress and lipid alteration, in addition to a marked glucose elevation, play a detrimental role in the onset of nephropathy in diabetic rats. The pretreatment with low-dose fenofibrate might be a potential therapeutic approach in preventing the onset of nephropathy in diabetic subjects under the risk of renal disease induction. However, low-dose fenofibrate treatment might not be effective in treating the established nephropathy in diabetic subjects.
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Affiliation(s)
- Supriya Kadian
- Cardiovascular Pharmacology Division, Department of Pharmacology, Rajendra Institute of Technology and Sciences, Sirsa 125 055, India
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Myricetin, a natural flavonoid, normalizes hyperglycemia in streptozotocin-cadmium-induced experimental diabetic nephrotoxic rats. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.bionut.2012.04.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Tavafi M. Inhibition of gentamicin-induced renal tubular cell necrosis. J Nephropathol 2012; 1:83-6. [PMID: 24475394 DOI: 10.5812/nephropathol.7512] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 02/04/2012] [Indexed: 12/30/2022] Open
Abstract
Gentamicin nephrotoxicity limit its usage against gram negative bacteria. Most researches showed that antioxidant agents improved gentamicin nephrotoxicity. According to these investigations oxidative stress play a central role in the mechanism of gentamicin induced nephrotoxicity. Recently Rafieian-Kopaei and colleagues showed that erythropoietin significantly ameliorated serum creatinine, blood urea nitrogen and tubal necrosis in gentamicin induced nephrotoxicity in rat. One of the advantages of this study is treatment of rats for 10 days by erythropoietin after inducing gentamicin nephrotoxicity and besides co- treatment of gentamicin and erythropoietin at 10 days simultaneously. They showed that erythropoietin improved significantly serum creatinine and blood urea nitrogen in gentamicin injected rats simultaneously and even after gentamicin nephrotoxicity induction. This study also showed that erythropoietin ameliorates histopathological injuries especially tubular cell necrosis that induced by gentamicin. Although the detailed renoprotective mechanisms of erythropoietin cannot be fully explained by this study but histological and biochemical results are satisfactory.
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Affiliation(s)
- Majid Tavafi
- Department of Anatomy, Faculty of Medicine, Lorestan University of Medical Sciences, Khoram Abad Iran
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Formentini I, Bobadilla M, Haefliger C, Hartmann G, Loghman-Adham M, Mizrahi J, Pomposiello S, Prunotto M, Meier M. Current drug development challenges in chronic kidney disease (CKD)--identification of individualized determinants of renal progression and premature cardiovascular disease (CVD). Nephrol Dial Transplant 2012; 27 Suppl 3:iii81-8. [PMID: 22734108 DOI: 10.1093/ndt/gfs270] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Chronic kidney disease (CKD) and end-stage renal disease (ESRD) are currently considered as major health burdens. Notably, CKD can be regarded as an interesting clinical model of accelerated cardiovascular disease (CVD) and ageing, which offers exciting new perspectives and challenges for pharmaceutical drug development. However, during the last decades, therapeutic advances to slow down the progression of CKD and reduce CVD risk have largely failed due to several possible reasons including (i) the lack of profound understanding of the pathophysiology of chronic renal damage and its associated CVD; (ii) an inadequate characterization of molecular mechanisms of currently approved therapies such as renin-angiotensin-aldosterone-system (RAAS) blockade; (iii) the unclear biochemical property needs required for novel therapeutic approaches; (iv) the missing quantity and quality of clinical trials in the nephrology field; and, most importantly, (v) the absence of prognostic renal biomarkers that reflect the severity of the structural organ damage and predict ESRD as well as CVD mortality. There is clearly an insufficient understanding of why a significant proportion of CKD patients progress to ESRD and/or die from CVD whereas others rather remain stable. In this article, we urge renal researchers to develop novel experimental and clinical tools for rational and translational drug discovery. Identification of individualized determinants of CKD progression and/or premature CVD will enable personalized medicine and lead to novel innovative nephro- and/or cardioprotective pharmacological treatment in these high-risk patients.
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Affiliation(s)
- Ivan Formentini
- F. Hoffmann-La Roche Ltd., Pharmaceuticals Division PMDE, Discovery CV & Metabolism DTA, Basel, Switzerland
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Are PPAR alpha agonists a rational therapeutic strategy for preventing abnormalities of the diabetic kidney? Pharmacol Res 2012; 65:430-6. [PMID: 22285932 DOI: 10.1016/j.phrs.2012.01.004] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Revised: 01/12/2012] [Accepted: 01/12/2012] [Indexed: 12/14/2022]
Abstract
The uncontrolled diabetes mellitus may result in the induction of diabetic nephropathy, one of the detrimental microvascular complications of diabetes mellitus. Diabetic nephropathy is associated with glomerular hypertrophy, glomerulosclerosis, tubulointerstitial fibrosis, mesangial cell expansion, followed by albuminuria and reduction in glomerular filtration rate. Indeed, no promising therapeutic options are available in the present clinical scenario to manage efficiently the diabetic nephropathy. Nevertheless, angiotensin converting enzyme inhibitors and angiotensin-II-AT(1) receptor blockers are currently employed to improve structural and functional status of the diabetic kidney. These interventions, however, are not optimal in improving overall outcomes of diabetic nephropathy. Hence, there is a continuing need of developing promising therapeutic interventions to manage this insidious condition adequately. Recent bench and clinical studies strongly suggest the potentials of peroxisome proliferator-activated receptor alpha (PPARα) agonists in the management of diabetic nephropathy by keeping the view that renal lipid accumulation-induced lipotoxicity is one of risk factors for nephropathy during chronic diabetes mellitus. As inflammation, oxidative stress and dyslipidemia are common consequences of renal dysfunction, PPARα agonists could serve as promising therapeutic agents for controlling the progression of diabetic nephropathy. In fact, fenofibrate, a hypolipidemic agent acts as a PPARα agonist, reduced renal lipotoxicity, inflammation, fibrosis and oxidative stress, and subsequently prevented the symptoms of diabetic nephropathy. However, fenofibrate has been shown to cause renal dysfunction in established renal disorders. The present review addressed the rationale of employing PPARα agonists in the management of diabetic nephropathy.
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Tavafi M, Ahmadvand H. Effect of rosmarinic acid on inhibition of gentamicin induced nephrotoxicity in rats. Tissue Cell 2011; 43:392-7. [PMID: 22000907 DOI: 10.1016/j.tice.2011.09.001] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2011] [Revised: 08/29/2011] [Accepted: 09/12/2011] [Indexed: 12/12/2022]
Abstract
The present investigation reports the effect of rosmarinic acid (RA), an antioxidant on gentamicin sulphate (GS)-induced renal oxidative damage in rats. Rosmarinic acid (RA) has been demonstrated to have antioxidant, free radical scavenger and anti-inflammatory effects. Twenty-eight Sprague-Dawley rats were divided in to four equal groups as follows: group 1 (control), group 2 (GS 100 mg/kg/d ip), group 3 (GS 100 mg/kg/d ip+RA 50 mg/kg/d) and group 4 (GS 100 mg/kg/d ip+RA 100 mg/kg/d). Treatments were administrated once daily for 12 days. After 12 days 24h urine was collected, blood was sampled and kidneys were removed. Serum and kidney tissue MDA assessed by thiobarbituric acid. Kidney paraffin sections (5 μm thickness) from the left kidney stained with periodic acid Schiff. Tubular necrosis was studied semiquantitatively and glomerular volume and volume density of proximal convoluted tubule (PCT) estimated stereologically. Kidney homogenize were prepared from right kidney. Serum creatinine, urea and kidney antioxidant enzymes activity were assessed by special kits. Data were compared by SPSS 13 software and Mann-Whitney test at p < 0.05. Co treatment of GS and RA (High dose) significantly decreased serum creatinine, MDA, urea, tubular necrosis (p < 0.05) and increase renal GSH, GPX, CAT, SOD, volume density of PCT and creatinine clearance significantly in comparison with GS group (p < 0.05). Treatment with RA (high dose) maintained serum creatinine, volume density of PCT, renal GSH, GPX, SOD and MDA as the same level as control group significantly (p < 0.05). In conclusion, RA alleviates GS nephrotoxicity via antioxidant activity, increase of renal GSH content and increase of renal antioxidant enzymes activity.
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Affiliation(s)
- Majid Tavafi
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.
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Protective effect of herbomineral formulation (Dolabi) on early diabetic nephropathy in streptozotocin-induced diabetic rats. J Nat Med 2011; 66:500-9. [DOI: 10.1007/s11418-011-0614-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Accepted: 11/08/2011] [Indexed: 12/21/2022]
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Chakkarwar VA. Fenofibrate attenuates nicotine-induced vascular endothelial dysfunction in the rat. Vascul Pharmacol 2011; 55:163-8. [PMID: 21864717 DOI: 10.1016/j.vph.2011.08.215] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2010] [Revised: 07/31/2011] [Accepted: 08/08/2011] [Indexed: 12/23/2022]
Abstract
The study has been designed to investigate the effect of fenofibrate on nicotine-induced vascular endothelial dysfunction (VED) in rats. Nicotine (2 mg/kg/day, i.p., 4 weeks) was administered to produce VED in rats. The development of VED was assessed by employing isolated aortic ring preparation and estimating serum and aortic concentration of nitrite/nitrate. Further, the integrity of vascular endothelium was assessed using the scanning electron microscopy of thoracic aorta. The expression of mRNA for p22phox and eNOS was assessed by using reverse transcriptase-polymerase chain reaction. Serum thiobarbituric acid reactive substances concentration (TBARS) and aortic superoxide anion concentration were estimated to assess oxidative stress. Moreover, the serum lipid profile was assessed by estimating serum cholesterol, triglycerides and high density lipoprotein. The administration of nicotine induces VED by increased oxidative stress, altered lipid profile and impaired the integrity of vascular endothelium as assessed in terms of decrease in expression of mRNA for endothelial nitric oxide synthase (eNOS), impairing the integrity of vascular endothelium and subsequently decreasing serum and aortic nitrite/nitrate and attenuating acetylcholine-induced endothelium dependent relaxation. Further, nicotine produced oxidative stress, assessed in terms of increase in serum TBARS and aortic superoxide anion generation and increase in expression of mRNA for p22phox. Nicotine altered the lipid profile by increasing the serum cholesterol, triglycerides and decreasing the high density lipoprotein. However, treatment with fenofibrate (32 mg/kg, p.o.) markedly prevented nicotine-induced VED by decreasing oxidative stress and improving integrity of vascular endothelium, normalising the altered lipid profile, increasing the concentration of serum and aortic nitrite/nitrate, enhancing the acetylcholine-induced endothelium dependent relaxation and decreasing serum TBARS and aortic superoxide anion generation. Thus, it may be concluded that fenofibrate has vascular protecting potential, by improving the integrity and function of vascular endothelium.
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Affiliation(s)
- Vishal Arvind Chakkarwar
- Cardiovascular Pharmacology Division, I.S.F. Institute of Pharmaceutical Sciences and Drug Research, Moga 142 001, India.
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Prunotto M, Gabbiani G, Pomposiello S, Ghiggeri G, Moll S. The kidney as a target organ in pharmaceutical research. Drug Discov Today 2011; 16:244-59. [DOI: 10.1016/j.drudis.2010.11.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2010] [Revised: 11/11/2010] [Accepted: 11/24/2010] [Indexed: 02/07/2023]
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Balakumar P, Reddy J, Singh M. Do resident renal mast cells play a role in the pathogenesis of diabetic nephropathy? Mol Cell Biochem 2009; 330:187-92. [PMID: 19415459 DOI: 10.1007/s11010-009-0132-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2009] [Accepted: 04/16/2009] [Indexed: 10/20/2022]
Abstract
Diabetic nephropathy is associated with high morbidity and mortality and the prevalence of this disease is continuously increasing world wide. Though, the major risk factors like hyperglycemia and hypertension play a pivotal role in the pathogenesis of diabetic nephropathy, the etiology of this insidious disorder is not well understood. Mast cells are pluripotent bone marrow derived cells that play a key role in inflammation. Degranulation of mast cells releases various mediators including inflammatory cytokines, endothelins, growth factors, and proteolytic enzymes. Infiltration of mast cells has been noted to occur in renal diseases. In addition, the renal density of mast cells is significantly increased in diabetic patients with nephropathy. It remains unclear whether resident renal mast cells derived mediators play a role in the pathogenesis of diabetic nephropathy. Recent studies suggest the involvement of renal mast cell infiltration and degranulation in diabetic nephropathy. The present review focuses on the role of resident renal mast cells in diabetic nephropathy.
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Affiliation(s)
- Pitchai Balakumar
- Department of Physiology, Faculty of Medicine, University of Montreal, Succ. Centre-ville, Montreal, QC, H3C 3J7, Canada.
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