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Santos NRLD, de Sousa GC, Lima PN, Medeiros BCM, Manso LA, Silva CRB, Silveira CCRD, Ghedini PC, Campos HM, Costa MS, Fernandes IG, Mendes EP, Taboga SR, de Castro CH, Santos FCAD, Biancardi MF. Chrysin attenuates epithelial prostatic hyperplasia in the ventral prostate of spontaneously hypertensive rats. Cell Biol Int 2024. [PMID: 38992896 DOI: 10.1002/cbin.12218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 05/22/2024] [Accepted: 06/15/2024] [Indexed: 07/13/2024]
Abstract
The aim of this study was to evaluate the effects of chrysin on the ventral prostate of spontaneously hypertensive rats (SHR). Ten-week-old male Wistar and SHR rats received 100 mg/kg/day of chrysin (TW and TSHR) or 200 µL/day of the dilution vehicle (CW and CSHR) for 70 days. After the treatment, the animals were euthanized and the prostates were dissected out, fixed, and processed for further morphological, immunohistochemical, and biochemical analyses. Blood was collected for serological analysis. Chrysin did not interfere with the blood pressure. Morphologically, the epithelial height increased in TW and decreased in TSHR. Stereology showed an increase in the epithelial and stromal relative frequency, and a decrease in the lumen of TW, whereas the epithelium in TSHR was reduced. Normal alveoli decreased, and hyperplastic alveoli had an increment in TW, whereas in TSHR normal alveoli increased and intense hyperplasia decreased. The secretion area was reduced in TW. Immunohistochemical analysis showed a smaller number of PCNA-positive cells in TW. Finally, the biochemical analysis showed a reduction in malondialdehyde, carbonylated proteins, superoxide dismutase, and catalase in TW and TSHR. We concluded that the chrysin effect is dependent on the context in which this flavonoid is employed. In normal conditions, the anabolic potential of the chrysin was favored, disrupting the morphology of the prostate. However, when used in animals predisposed to develop hyperplasia, this flavonoid attenuates the hyperplastic status, improving the morphology of the gland.
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Affiliation(s)
- Nathany R L Dos Santos
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Gessica C de Sousa
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Phâmella N Lima
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Bárbara C M Medeiros
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Luana A Manso
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Cinthia R B Silva
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Carla C R da Silveira
- Department of Physiological Sciences, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Paulo C Ghedini
- Department of Pharmacology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Hericles M Campos
- Department of Pharmacology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Matheus S Costa
- Department of Cell Biology and Development, University of São Paulo, São Paulo, Brazil
| | - Isadora G Fernandes
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Elizabeth P Mendes
- Department of Physiological Sciences, Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | - Carlos H de Castro
- Department of Physiological Sciences, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Fernanda C A Dos Santos
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Manoel F Biancardi
- Department of Histology, Embryology, and Cell Biology, Federal University of Goiás, Goiânia, Goiás, Brazil
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Salama A, Elgohary R. Influence of chrysin on D-galactose induced-aging in mice: Up regulation of AMP kinase/liver kinase B1/peroxisome proliferator-activated receptor-γ coactivator 1-α signaling pathway. Fundam Clin Pharmacol 2023; 37:947-959. [PMID: 36977287 DOI: 10.1111/fcp.12895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 02/24/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023]
Abstract
Adenosine monophosphate kinase/liver kinase B1/peroxisome proliferator-activated receptor-γ coactivator 1-α (AMPK/LKB1/PGC1α) pathway has a vital role in regulating age-related diseases. It controls neurogenesis, cell proliferation, axon outgrowth, and cellular energy homeostasis. AMPK pathway also regulates mitochondrial synthesis. The current study evaluated the effect of chrysin on D-galactose (D-gal) induced-aging, neuron degeneration, mitochondrial dysfunction, oxidative stress, and neuroinflammation in mice. The mice were allocated randomly into four groups (10 each group): Group 1: normal control group, Group 2: D-gal group, Groups 3 and 4: chrysin (125 and 250 mg/kg, respectively). Groups 2-4 were injected with D-gal (200 mg/kg/day; s.c) for 8 weeks to induce aging. Groups 3 and 4 were orally gavaged every day concurrent with D-gal. At the end of experiment, behavioral, brain biochemical and histopathological changes were monitored. Chrysin administration elevated discrimination ratio in object recognition, Y Maze percentage alternation, locomotor activity and brain contents of AMPK, LKB1, PGC1α, NAD (P)H quinone oxidoreductase 1 (NQO1), heme oxygenase 1 (HO-1), nerve growth factor (NGF) (neurotrophin-3; NT-3), and seretonin as well as reduced brain contents of tumor necrosis factor-alpha (TNF-α), nuclear factor kappa B (NF-κB), advanced glycation end products (AGEs) and glial fibrillary acidic protein (GFAP) compared to D-gal-treated mice. Chrysin also alleviated cerebral cortex and white matter neurons degeneration. Chrysin protects against neurodegeneration, improves mitochondrial autophagy and biogenesis as well as activates antioxidant genes expression. In addition, chrysin ameliorates neuroinflammation and stimulates the release of NGF and serotonin neurotransmitter. So, chrysin has a neuroprotective effect in D-gal induced-aging in mice.
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Affiliation(s)
- Abeer Salama
- Pharmacology Department, National Research Centre, El-Buhouth St., Cairo, Dokki, 12622, Egypt
| | - Rania Elgohary
- Narcotics, Ergogenics and Poisons Department, National Research Centre, El-Buhouth St., Cairo, Dokki, 12622, Egypt
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TÜRKMEN NB, YÜCE H, TAŞLIDERE A, ŞAHİN Y, ÇİFTÇİ O. The Ameliorate Effects of Nerolidol on Thioasteamide-induced Oxidative Damage in Heart and Kidney Tissue. Turk J Pharm Sci 2022; 19:1-8. [DOI: 10.4274/tjps.galenos.2021.30806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Waseem M, Kaushik P, Dutta S, Chakraborty R, Hassan MI, Parvez S. Modulatory Role of Quercetin in Mitochondrial Dysfunction in Titanium Dioxide Nanoparticle-Induced Hepatotoxicity. ACS OMEGA 2022; 7:3192-3202. [PMID: 35128232 PMCID: PMC8811893 DOI: 10.1021/acsomega.1c04740] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/25/2021] [Indexed: 05/28/2023]
Abstract
Background : Titanium dioxide (TiO2) nanoparticles are among the largely manmade nanomaterials worldwide and are broadly used as both industrial and user products. The primary target site for several nanoparticles is the liver, including TiO2 nanoparticles (TNPs), exposed directly or indirectly through ingestion of contaminated water, food, or animals and elevated environmental contamination. Oxidative stress is a known facet of nanoparticle-induced toxicity, including TNPs. Mitochondria are potential targets for nanoparticles in several types of toxicity, such as hepatotoxicity. Nevertheless, its causal mechanism is still controversial due to scarcity of literature linking the role of mitochondria-mediated TNP-induced hepatotoxicity. Aim : The objective of the current study was to evaluate the relation of mitochondrial oxidative stress and respiratory chain mechanisms with TNP-induced mitochondrial dysfunction in vitro, and explore the hepatoprotective effect of quercetin (QR), which is a polyphenolic flavonoid abundant in fruits and vegetables with known antioxidant properties, on TNP-induced mitochondrial oxidative stress and disturbance in respiratory chain complex enzymes in the liver of rats. Results: Enzymatic and non-enzymatic antioxidant levels, oxidative stress markers, and mitochondrial complexes were assessed with regard to TNP-induced hepatotoxicity. The depleted lipid peroxidation levels and protein carbonyl content, in mitochondria, induced by TNPs were restored significantly by pretreatment with QR. QR modulated the altered non-enzymatic and enzymatic antioxidants and mitochondrial complex enzymes. Conclusion : Based on the findings, we conclude that QR, which mitigates oxidative stress caused by mitochondrial dysfunction, holds promising capability to potentially diminish TNP-induced adverse effects in the liver.
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Affiliation(s)
- Mohd Waseem
- Department
of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Pooja Kaushik
- Department
of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Shamita Dutta
- Department
of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Rohan Chakraborty
- Department
of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Md Imtaiyaz Hassan
- Centre
for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Suhel Parvez
- Department
of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
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Doğan MF, Başak Türkmen N, Taşlıdere A, Şahin Y, Çiftçi O. The protective effects of capsaicin on oxidative damage-induced by 2,3,7,8-tetrachlorodibenzo-p-dioxin in rats. Drug Chem Toxicol 2021; 45:2463-2470. [PMID: 34308744 DOI: 10.1080/01480545.2021.1957912] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The present study aimed to investigate the protective role of capsaicin in a rat model of 2,3,7,8-tetracholorodibenzo-p-dioxin (TCDD)-induced toxicity. Exposure to TCDD which is an environmental toxicant causes severe toxic effects in the animal and human tissues. Therefore, the potential protective effect of capsaicin in TCDD-induced organ damage was investigated in rats by measuring thiobarbituric acid reactive substances (TBARS) level, superoxide dismutase (SOD) activity, and glutathione (GSH) level in the heart, liver, and kidney tissues for oxidant/antioxidant balance. Thirty-two healthy adults (250-300 g weight and 3-4 months old) male Wistar albino rats were randomly distributed into four equal groups (n = 8): Control, CAP, TCDD, TCDD + CAP. A dose of 2 μg/kg TCDD or a dose of 25 mg/kg capsaicin were dissolved in corn oil and orally administered to the rats for 30 days. The results indicated that TCDD-induced oxidative stress by increasing the level of TBARS and by decreasing the levels of GSH, and SOD activity in the tissues of rats. However, capsaicin treatment was significantly decreased TBARS levels and was significantly increased GSH level and SOD activity (p < 0.05). In addition, capsaicin (25 mg/kg) significantly attenuated TCDD-induced histopathological alteration associated with oxidative stress in the heart, liver, and kidney tissues (p < 0.05). As capsaicin regulates oxidative imbalance and attenuates histopathological alterations in the rat tissues, it may be preventing agents in TCDD toxicity.
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Affiliation(s)
- Muhammed Fatih Doğan
- Department of Pharmacology, Faculty of Medicine, University of Pamukkale, Denizli, Turkey
| | - Neşe Başak Türkmen
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, University of Inonu, Malatya, Turkey
| | - Aslı Taşlıdere
- Department of Histology and Embryology, Faculty of Medicine, University of Inonu, Malatya, Turkey
| | - Yasemin Şahin
- Department of Pharmacology, Faculty of Medicine, University of Pamukkale, Denizli, Turkey
| | - Osman Çiftçi
- Department of Pharmacology, Faculty of Medicine, University of Pamukkale, Denizli, Turkey
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Erdemli ME, Yigitcan B, Erdemli Z, Gul M, Bag HG, Gul S. Thymoquinone protection against 2, 3, 7, 8-tetrachlorodibenzo-p-dioxin induced nephrotoxicity in rats. Biotech Histochem 2020; 95:567-574. [PMID: 32207631 DOI: 10.1080/10520295.2020.1735520] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
We investigated the effects of thymoquinone (TQ) on kidney tissues of Wistar rats with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) induced nephrotoxicity. We used 50 rats divided into five groups; control, corn oil, TCDD, TQ, TCDD + TQ. We found that malondialdehyde (MDA), total oxidant status (TOS), blood urea nitrogen (BUN), creatinine, interleukin 6 (IL-6), tumor necrosis factor-α (TNF-α) levels in the TCDD treated group increased significantly compared to the other groups, while reduced glutathione (GSH), superoxide dismutase (SOD), catalase (CAT) and total antioxidant status (TAS) levels decreased in the TCDD group. In the TQ treated group, we found that GSH, SOD, CAT, TAS levels increased and MDA, TOS, IL-6 and TNF-α levels decreased compared to the other groups. The effects of TCDD on oxidative stress parameters, inflammatory markers and histological changes were ameliorated by TQ treatment.
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Affiliation(s)
- Mehmet Erman Erdemli
- Department of Medical Biochemistry, Medical Faculty, Inonu University , Malatya, Turkey
| | - Birgul Yigitcan
- Department of Histology and Embryology, Medical Faculty, Inonu University , Malatya, Turkey
| | - Zeynep Erdemli
- Department of Medical Biochemistry, Medical Faculty, Inonu University , Malatya, Turkey
| | - Mehmet Gul
- Department of Histology and Embryology, Medical Faculty, Inonu University , Malatya, Turkey
| | - Harika Gozukara Bag
- Department of Biostatistics, Medical Faculty, Inonu University , Malatya, Turkey
| | - Semir Gul
- Department of Histology and Embryology, Medical Faculty, Inonu University , Malatya, Turkey
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Samarghandian S, Azimi-Nezhad M, Pourbagher Shahri AM, Farkhondeh T. Antidotal or protective effects of honey and one of its major polyphenols, chrysin, against natural and chemical toxicities. ACTA BIO-MEDICA : ATENEI PARMENSIS 2019; 90:533-550. [PMID: 31910181 PMCID: PMC7233771 DOI: 10.23750/abm.v90i4.7534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 10/16/2018] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Honey and its polyphenolic compounds are of main natural antioxidants that have been used in traditional medicine. The aim of this review was to identify the protective effects of honey and chrysin (a polyphenol available in honey) against the chemical and natural toxic agents. METHOD The scientific databases such as MEDLINE, PubMed, Scopus, Web of Science and Google Scholar were searched to identify studies on the antidotal effects of honey and chrysin against toxic agents. RESULTS This study found that honey had protective activity against toxic agents-induced organ damages by modulating oxidative stress, inflammation, and apoptosis pathways. However, clinical trial studies are needed to confirm the efficacy of honey and chrysin as antidote agents in human intoxication. CONCLUSION Honey and chrysin may be effective against toxic agents. (www.actabiomedica.it).
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Affiliation(s)
- Saeed Samarghandian
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Naserzadeh P, Hafez AA, Abdorahim M, Abdollahifar MA, Shabani R, Peirovi H, Simchi A, Ashtari K. Curcumin loading potentiates the neuroprotective efficacy of Fe 3O 4 magnetic nanoparticles in cerebellum cells of schizophrenic rats. Biomed Pharmacother 2018; 108:1244-1252. [PMID: 30453447 DOI: 10.1016/j.biopha.2018.09.106] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 09/09/2018] [Accepted: 09/18/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The aim of this study was to investigate the neurotoxic effects of Fe3O4 magnetic- CurNPs on isolated schizophrenia mitochondria of rats as an in vivo model. METHODS We designed CMN loaded superparamagnetic iron oxide nanoparticles (SPIONs) (Fe3O4 magnetic- CurNPs) to achieve an enhanced therapeutic effect. The physicochemical properties of Fe3O4 magnetic- CurNPs were characterized using X-ray diffraction (XRD), and dynamic laser light scattering (DLS) and zeta potential. Further, to prove Fe3O4 magnetic- CurNPs results in superior therapeutic effects, and also, the mitochondrial membrane potential collapse, mitochondrial complex II activity, reactive oxygen species generation, ATP level, cytochrome c release and histopathology of cerebellums were determined in brains of schizophrenic rats. RESULTS We showed that effective treatment with CMN reduced or prevented Fe3O4 magnetic-induced oxidative stress and mitochondrial dysfunction in the rat brain probably, as well as mitochondrial complex II activity, MMP, and ATP level were remarkably reduced in the cerebellum mitochondria of treated group toward control (p < 0.05). Therewith, ROS generation, and cytochrome c release were notably (p < 0.05) increased in the cerebellum mitochondria of treated group compared with control group. CONCLUSION Taken together, Fe3O4 magnetic- CurNPs exhibits potent antineurotoxicity activity in cerebellums of schizophrenic rats. This approach can be extended to preclinical and clinical use and may have importance in schizophernia treatment in the future. To our knowledge this is the first report that provides the Fe3O4 magnetic- CurNPs could enhance the neuroprotective effects of CMN in the Schizophrenia.
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Affiliation(s)
- Parvaneh Naserzadeh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Students Research Committee, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Asghar Ashrafi Hafez
- Cancer Research Center, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marjan Abdorahim
- Faculté de science, Université Paris-Sud 11, Université Paris Saclay, 91405, Orsay Cedex, France
| | - Mohammad Amin Abdollahifar
- Department of Anatomical Sciences and Biology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ronak Shabani
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Habiballah Peirovi
- Nanomedicine and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abdolreza Simchi
- Institute for Nanoscience and Nanotechnology, Sharif University of Technology, P.O. Box, 11365-11155, Tehran, Iran.
| | - Khadijeh Ashtari
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Medical Nanotechnology, Faculty of Advanced Technology in Medicine, Iran University of Medical Sciences, Tehran, Iran; Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.
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Siddiqui A, Akhtar J, Uddin M.S. S, Khan MI, Khalid M, Ahmad M. A Naturally Occurring Flavone (Chrysin): Chemistry, Occurrence, Pharmacokinetic, Toxicity, Molecular Targets and Medicinal Properties. ACTA ACUST UNITED AC 2018. [DOI: 10.1080/22311866.2018.1498750] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Amir Siddiqui
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | - Juber Akhtar
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | | | | | - Mohammad Khalid
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | - Mohammad Ahmad
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
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Kamisli S, Ciftci O, Taslidere A, Basak Turkmen N, Ozcan C. The beneficial effects of 18β-glycyrrhetinic acid on the experimental autoimmune encephalomyelitis (EAE) in C57BL/6 mouse model. Immunopharmacol Immunotoxicol 2018; 40:344-352. [PMID: 30052483 DOI: 10.1080/08923973.2018.1490318] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AIM The aim of this study was to investigate the beneficial effects of 18β-glycyrrhetinic acid (GA) on the experimental allergic encephalomyelitis (EAE) in C57BL/6 mice. GA is a natural substance found in the root of licorice and is used in traditional Chinese medicine. It has many pharmacological activities such as antioxidant, anti-inflammatory, and anti-cancer effects. MATERIALS AND METHODS A total of 40 C57BL/6 mice were divided equally into four groups: (1) Control, (2) EAE, (3) GA and (4) GA + EAE. 14 days after induction of EAE with MOG35-55 and pertussis toxin, mice were treated with GA at doses of 100 mg/kg/day for 7 days intraperitoneally. RESULTS To our results, oxidative stress and lipid peroxidations (elevated TBARS levels, decreased GPx, SOD, CAT, and GSH levels) were significantly (p < .01) increased, causing EAE in brain tissue. Also, histopathological damage (Caspase-3 and IL-17 activity, p ≤ .01) and cytokine levels (TNF-α and IL-1β, p < .01) were induced with EAE in mice brain tissue. On the other hand, GA treatment significantly (p < .01) reversed oxidative histological and immunological alterations caused by EAE. CONCLUSIONS In conclusion, the GA treatment can protect the brain tissue against EAE in mice with its antioxidant and anti-inflammatory properties.
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Affiliation(s)
- Suat Kamisli
- a Faculty of Medicine, Department of Neurology , University of Inonu , Malatya , Turkey
| | - Osman Ciftci
- b Faculty of Medicine, Department of Pharmacology , University of Pamukkale , Denizli , Turkey
| | - Asli Taslidere
- c Faculty of Medicine, Department of Histology and Embryology , University of Inonu , Malatya , Turkey
| | - Nese Basak Turkmen
- d Faculty of Pharmacy, Department of Pharmaceutical Toxicology , University of Inonu , Malatya , Turkey
| | - Cemal Ozcan
- a Faculty of Medicine, Department of Neurology , University of Inonu , Malatya , Turkey
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Waseem M, Parvez S, Tabassum H. Mitochondria As the Target for the Modulatory Effect of Curcumin in Oxaliplatin-induced Toxicity in Isolated Rat Liver Mitochondria. Arch Med Res 2017; 48:55-63. [PMID: 28577870 DOI: 10.1016/j.arcmed.2017.01.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 01/16/2017] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND AIMS To explore hepatoprotective action of curcumin (CMN, a bioflavonoid) on oxaliplatin (Oxa)-triggered mitochondrial oxidative stress and respiratory chain complexes in liver of rats. Oxa is a ubiquitously utilized platinum-based chemotherapeutic agent commonly used for the treatment of colorectal cancer. Mitochondria have recently emerged as targets for anticancer drugs in several kinds of toxicity including hepatotoxicity that can lead to neoplastic disease. There is a dearth of evidence involving the role of mitochondria in mediating Oxa-evoked hepatotoxicity and its underlying mechanism is still debatable. METHODS The study was performed in mitochondria isolated from liver of Wistar rats. Oxa (200 μg/mL) and CMN (5 μmol) were incubated under in vitro conditions. RESULTS Oxa evoked a significant increase in the membrane lipid peroxidation (LPO) levels, protein carbonyl (PC) contents, decrease in reduced glutathione (GSH) and nonprotein thiol (NP-SH) levels. Oxa also caused a marked decline in the activities of enzymatic antioxidants and respiratory chain enzymes (I, II, III and V) in liver mitochondria. CMN pre-treatment significantly prevented the activities of enzymatic antioxidants and mitochondrial respiratory chain enzymes. CMN also restored the LPO and PC contents, GSH and NP-SH levels in liver mitochondria. CONCLUSION CMN intake might be effective in regulation of Oxa-evoked mitotoxicity during chemotherapy. Moreover, it is included in the armamentarium for anticancer agent-induced oxidative stress.
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Affiliation(s)
- Mohammad Waseem
- Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi, India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi, India
| | - Heena Tabassum
- Department of Biochemistry, Jamia Hamdard (Hamdard University), New Delhi, India.
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12
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Ameliorative efficacy of quercetin against cisplatin-induced mitochondrial dysfunction: Study on isolated rat liver mitochondria. Mol Med Rep 2017; 16:2939-2945. [DOI: 10.3892/mmr.2017.6860] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Accepted: 10/21/2016] [Indexed: 11/05/2022] Open
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13
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Samarghandian S, Farkhondeh T, Azimi-Nezhad M. Protective Effects of Chrysin Against Drugs and Toxic Agents. Dose Response 2017; 15:1559325817711782. [PMID: 28694744 PMCID: PMC5484430 DOI: 10.1177/1559325817711782] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Issues: Polyphenolic compounds, especially flavonoids, are known as the most common chemical class of phytochemicals, which possess a multiple range of health-promoting effects. Flavonoids are ubiquitous in nature. They are also present in food, providing an essential link between diet and prevention of several diseases. Approach: Chrysin (CH), a natural flavonoid, was commonly found in propolis and honey and traditionally used in herbal medicine. A growing body of scientific evidence has shown that CH possesses protective effects against toxic agents in various animal tissues, including brain, heart, liver, kidney, and lung. Key Findings: This study found that CH may be effective in disease management induced by toxic agents. However, due to the lack of information on human, further studies are needed to determine the efficacy of CH as an antidote agent in human. Conclusion: The present article aimed to critically review the available literature data regarding the protective effects of CH against toxic agent–induced toxicities as well as its possible mechanisms.
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Affiliation(s)
- Saeed Samarghandian
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Tahereh Farkhondeh
- Department of Immunogenetics, BuAli Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Azimi-Nezhad
- Department of Medical Genetics, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Baykara M, Silici S, Özçelik M, Güler O, Erdoğan N, Bilgen M. In vivo nephroprotective efficacy of propolis against contrast-induced nephropathy. Diagn Interv Radiol 2016; 21:317-21. [PMID: 26027766 DOI: 10.5152/dir.2015.14075] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE Contrast agents administered in diagnostic imaging or interventional procedures of clinical radiology may cause contrast-induced nephropathy (CIN). Preventive measures against CIN involve pharmaceutical pretreatments, such as N-acetylcystein (NAC) or calpain, but alternative medicines can also be helpful. This study aims to assess the prospects of a natural compound, propolis, as a potential nephroprotector against a specific contrast agent, diatrizoate. METHODS In vivo experiments were performed on 35 male rats in five groups: control, diatrizoate alone, and pretreatments with propolis, NAC, or calpain one hour before diatrizoate administration. Three days later, blood and renal tissue samples were collected and quantitatively processed for determining induced changes in critical biomarkers malondialdehyde (MDA), glutathione (GSH), glutathione peroxidase (GSH-Px), superoxide dismutase (SOD), and catalase (CAT), as well as serum creatinine and plasma urea. RESULTS Diatrizoate increased creatinine (113%), urea (400%), and MDA (162%) levels and decreased GSH (-71%), SOD (-69%), GSH-Px (-77%), and CAT (-73%) levels. Evaluating the response of each pretreatment provided sufficient evidence that propolis was as effective as either NAC or calpain, but consistently more prominent in restoring the MDA, GSH, SOD, and GSH-Px levels close to their normal range. This outcome demonstrated the nephroprotective effect of propolis against CIN. CONCLUSION Propolis protects renal tissue against toxicity, free radicals, and other adverse effects induced by diatrizoate. This function is most likely exerted through the antioxidant and antitoxic activities of propolis.
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Affiliation(s)
- Murat Baykara
- Department of Radiology, Sütçü İmam University School of Medicine, Kahramanmaraş, Turkey.
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15
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Melekoglu R, Ciftci O, Cetin A, Basak N, Celik E. The beneficial effects of Montelukast against 2,3,7,8-tetrachlorodibenzo- p -dioxin toxicity in female reproductive system in rats. Acta Cir Bras 2016; 31:557-63. [DOI: 10.1590/s0102-865020160080000009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 07/11/2016] [Indexed: 01/15/2023] Open
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16
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Waseem M, Parvez S. Neuroprotective activities of curcumin and quercetin with potential relevance to mitochondrial dysfunction induced by oxaliplatin. PROTOPLASMA 2016; 253:417-30. [PMID: 26022087 DOI: 10.1007/s00709-015-0821-6] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 04/15/2015] [Indexed: 05/19/2023]
Abstract
Peripheral neurotoxicity is one of the serious dose-limiting side effects of oxaliplatin (Oxa) when used in the treatment of malignant conditions. It is documented that it elicits major side effects specifically neurotoxicity due to oxidative stress forcing the patients to limit its clinical use in long-term treatment. Oxidative stress has been proven to be involved in Oxa-induced toxicity including neurotoxicity. The mitochondria have recently emerged as targets for anticancer drugs in various kinds of toxicity including neurotoxicity that can lead to neoplastic disease. However, there is paucity of literature involving the role of the mitochondria in mediating Oxa-induced neurotoxicity and its underlying mechanism is still debatable. The purpose of this study was to investigate the dose-dependent damage caused by Oxa on isolated brain mitochondria under in vitro conditions. The study was also designed to investigate the neuroprotective effects of nutraceuticals, curcumin (CMN), and quercetin (QR) on Oxa-induced mitochondrial oxidative stress and respiratory chain complexes in the brain of rats. Oxidative stress biomarkers, levels of nonenzymatic antioxidants, activities of enzymatic antioxidants, and mitochondrial complexes were evaluated against the neurotoxicity induced by Oxa. Pretreatment with CMN and QR significantly replenished the mitochondrial lipid peroxidation levels and protein carbonyl content induced by Oxa. CMN and QR ameliorated altered nonenzymatic and enzymatic antioxidants and complex enzymes of mitochondria. We conclude that CMN and QR, by attenuating oxidative stress as evident by mitochondrial dysfunction, hold promise as agents that can potentially reduce Oxa-induced adverse effects in the brain.
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Affiliation(s)
- Mohammad Waseem
- Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110 062, India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi, 110 062, India.
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DURAK MA, ÖZTANIR MN, BAŞAK TÜRKMEN N, ÇİFTÇİ O, TAŞLIDERE A, TECELLİOĞLU M, ÖNDER A. Chrysin prevents brain damage caused by global cerebralischemia/reperfusion in a C57BL/J6 mouse model. Turk J Med Sci 2016; 46:1926-1933. [DOI: 10.3906/sag-1508-119] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 03/06/2016] [Indexed: 11/03/2022] Open
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18
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Hesperidin, a Citrus Flavonoid, Has the Ameliorative Effects Against Experimental Autoimmune Encephalomyelitis (EAE) in a C57BL/J6 Mouse Model. Neurochem Res 2015; 40:1111-20. [PMID: 25859982 DOI: 10.1007/s11064-015-1571-8] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 03/25/2015] [Accepted: 04/01/2015] [Indexed: 12/14/2022]
Abstract
The aim of this study was determined the effects of Hesperidin (HP) on neuronal damage in brain tissue caused by Experimental allergic encephalomyelitis (EAE), an established model of multiple sclerosis in C57BL/J6 mice. To explore 40 mice were equally divided into four groups: (1) Control, (2) EAE, (3) HP, and (4) HP + EAE. 14 days after induction of EAE with MOG35-55 and pertussis toxin, the mice treated with HP at the doses of 50 mg/kg/day for 7 days subcutaneously. To our results HP treatment prevents the oxidative stress caused by EAE via a decrease in lipid peroxidations and increase in elements of the antioxidant defense systems in brain tissue. Also, EAE elevate the IL-17, express the pro-inflammatory cytokines, and caspase-3-like immunreactivity, show apoptosis, staining in EAE mice brain and increased the incidence of histopathological damage. However, immonohistochemical and histological changes were reversed with HP. Moreover, elevated TNF-α and IL-1β levels, a result of EAE, were decreased in serum and neurological deficits as clinical signs were reversed with HP treatment in EAE mice, given HP. In conclusion, HP treatment effectively prevents oxidative, immunological and histological damage in the brain caused by EAE. It was thought that the beneficial effects of HP are likely a result of its strong antioxidant and anti-inflammatory properties.
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19
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Protective effects of the flavonoid chrysin against methylmercury-induced genotoxicity and alterations of antioxidant status, in vivo. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:602360. [PMID: 25810809 PMCID: PMC4355113 DOI: 10.1155/2015/602360] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 02/10/2015] [Accepted: 02/11/2015] [Indexed: 01/09/2023]
Abstract
The use of phytochemicals has been widely used as inexpensive approach for prevention of diseases related to oxidative damage due to its antioxidant properties. One of dietary flavonoids is chrysin (CR), found mainly in passion fruit, honey, and propolis. Methylmercury (MeHg) is a toxic metal whose main toxic mechanism is oxidative damage. Thus, the study aimed to evaluate the antioxidant effects of CR against oxidative damage induced by MeHg in Wistar rats. Animals were treated with MeHg (30 µg/kg/bw) in presence and absence of CR (0.10, 1.0, and 10 mg/kg/bw) by gavage for 45 days. Glutathione (GSH) in blood was quantified spectrophotometrically and for monitoring of DNA damage, comet assay was used in leukocytes and hepatocytes. MeHg led to a significant increase in the formation of comets; when the animals were exposed to the metal in the presence of CR, higher concentrations of CR showed protective effects. Moreover, exposure to MeHg decreased the levels of GSH and GSH levels were restored in the animals that received CR plus MeHg. Taken together the findings of the present work indicate that consumption of flavonoids such as CR may protect humans against the adverse health effects caused by MeHg.
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20
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Kawabata K, Mukai R, Ishisaka A. Quercetin and related polyphenols: new insights and implications for their bioactivity and bioavailability. Food Funct 2015; 6:1399-417. [DOI: 10.1039/c4fo01178c] [Citation(s) in RCA: 187] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The physiological functions and mechanisms of action of quercetin and its related polyphenols are highlighted, including their effects on brain, blood vessels, muscle, and intestinal microflora.
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Affiliation(s)
- Kyuichi Kawabata
- Department of Bioscience
- Fukui Prefectural University
- Eiheiji-cho, Yoshida-gun, Fukui 910-1195
- Japan
| | - Rie Mukai
- Department of Food Science
- Institute of Health Biosciences
- The University of Tokushima Graduate School
- Tokushima 770-8503
- Japan
| | - Akari Ishisaka
- School of Human Science and Environment
- University of Hyogo
- Himeji 670-0092
- Japan
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21
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Palaniswamy KS, Vishwanadha VP, Ramalingam Singaravelu S. Fish oil rich in eicosapentaenoic acid protects against oxidative stress-related renal dysfunction induced by TCDD in Wistar rats. Cell Stress Chaperones 2014; 19:409-19. [PMID: 24114387 PMCID: PMC3982028 DOI: 10.1007/s12192-013-0470-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Revised: 09/24/2013] [Accepted: 09/24/2013] [Indexed: 02/02/2023] Open
Abstract
Humans are systemically exposed to persistent organic pollutants, of which 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) has become a major environmental concern. Exposure to TCDD results in a wide variety of adverse health effects which is mediated by oxidative stress through CYP1A1 activation and arachidonic acid metabolites. Eicosapentaenoic acid (EPA) exhibits antioxidant property and competes with arachidonic acid in membrane phospholipids and produces anti-inflammatory EPA derivatives. Since both EPA and its derivatives have been reported to enhance the antioxidant mechanism, the present study aimed at studying whether EPA could offer protection against TCDD-induced oxidative stress and nephrotoxicity in Wistar rats. Estimation of kidney markers (serum urea and creatinine) and histopathological studies revealed that EPA treatment significantly reduced TCDD-induced renal damage. TCDD-induced oxidative damage was reflected in a significant increase in CYP1A1 activity and lipid peroxide levels with a concomitant decline in non-enzymic antioxidant (GSH) and various enzymic antioxidants such catalase (CAT), superoxide dismutase (SOD), glutathione-S-transferase (GST), and glutathione peroxidase (GPx). In addition, TCDD-induced oxidative stress also resulted in decline in Na(+)-K(+) and Mg(2+)ATPases activities with increase in Ca(2+) ATPases activity. Oral treatment with EPA showed a significant cytoprotection against TCDD-induced renal oxidative stress by decreased CYP1A1 activity and enhanced antioxidant status. TCDD-induced alterations in ATPase enzyme activities were also prevented by EPA treatment. Our results show clear evidence that EPA ameliorates TCDD-induced oxidative stress and kidney damage; thus suggest the potential of EPA as an effective therapeutic agent against toxic effects mediated through redox imbalance.
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Affiliation(s)
- Kalai Selvi Palaniswamy
- Department of Biotechnology, School of Biotechnology and Genetic Engineering, Bharathiar University, Coimbatore, 641046 Tamil Nadu, India
| | - Vijaya Padma Vishwanadha
- Department of Biotechnology, School of Biotechnology and Genetic Engineering, Bharathiar University, Coimbatore, 641046 Tamil Nadu, India
| | - Saranya Ramalingam Singaravelu
- Department of Biotechnology, School of Biotechnology and Genetic Engineering, Bharathiar University, Coimbatore, 641046 Tamil Nadu, India
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Al-Rasheed NM, Faddah LM, Mohamed AM, Abdel Baky NA, Al-Rasheed NM, Mohammad RA. Potential impact of quercetin and idebenone against immuno- inflammatory and oxidative renal damage induced in rats by titanium dioxide nanoparticles toxicity. J Oleo Sci 2014; 62:961-71. [PMID: 24200945 DOI: 10.5650/jos.62.961] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The aim of this study was to investigate the toxic impacts of titanium dioxide nanoparticles (TiO₂-NPs) on rat kidneys and the possible prophylactic role of either quercetin or idebenone. TiO₂-NPs were administered orally at either 600 mg or 1 g/kg body weight for 5 consecutive days to evaluate dose-dependent toxicity referred to the OECD guidelines for testing of chemicals. The results showed that administration of either low or high repeated doses of TiO₂-NPs to rats significantly increases serum kideney function biomarkers (urea, creatinine and uric acid) as well as increases in serum glucose and serum immuno- inflammatory biomarkers including tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), C-reactive protein (CRP), immunoglobin g (IGg), vascular endothelial growth factor (VEGF, angiogenic factor) and nitric oxide (NO) with a concomitant decrease in renal GSH content versus normal control values. The increase in these biomarkers was more evident in rats intoxicated with high TiO₂-NPs repeated doses. Oral co- administration of either quercetin or idebenone (each 200mg/Kg body weight) daily for three weeks to rats intoxicated by either of the two doses markedly ameliorated TiO₂-NPs induced alteration in the above biomarkers. The prophylactic impacts of both agents on biochemical markers were more pronounced in rats received low TiO₂-NPs repeated doses. The biochemical investigation was supported by histological examination. In conclusion, The data showed the severity in renotoxicity of TiO₂-NPs was dose-dependent and the protective effect of quercetin and idebenone may be related to their antioxidant and anti-inflammatory properties.
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Hesperidin attenuates oxidative and neuronal damage caused by global cerebral ischemia/reperfusion in a C57BL/J6 mouse model. Neurol Sci 2014; 35:1393-9. [PMID: 24676696 DOI: 10.1007/s10072-014-1725-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Accepted: 03/15/2014] [Indexed: 12/24/2022]
Abstract
The aim of this study was to determine the effects of hesperidin (HP) on neuronal damage in brain tissue caused by global cerebral ischemia/reperfusion (I/R) in C57BL/J6 mice. For this purpose, a total of 40 mice were divided equally into four groups: (1) sham-operated (SH), (2) global cerebral I/R, (3) HP, and (4) HP+I/R. The SH group was used as a control. In the I/R group, the bilateral carotid arteries were clipped for 15 min, and the mice were treated with vehicle for 10 days. In the HP group, mice were administered HP (100 mg/kg) for 10 days without carotid occlusion. In the HP+I/R group, the I/R model was applied to the mice exactly as in the I/R group, and they were then treated with 100 mg/kg HP for 10 days. Cerebral I/R significantly induced oxidative stress via an increase in lipid peroxidation and a decrease in the components of the antioxidant defense system. Furthermore, cerebral I/R increased the incidence of histopathological damage and apoptosis in brain tissue. HP treatment significantly reversed the oxidative effects of I/R and inhibited the development of neurodegenerative histopathology. Therefore, the current study demonstrates that HP treatment effectively prevents oxidative and histological damage in the brain caused by global I/R. In this context, the beneficial effects of HP are likely a result of its strong antioxidant and free radical-scavenging properties. HP may be an useful treatment to attenuate the negative effects of global cerebral I/R.
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Protective effect of ellagic acid against TCDD-induced renal oxidative stress: Modulation of CYP1A1 activity and antioxidant defense mechanisms. Mol Biol Rep 2014; 41:4223-32. [DOI: 10.1007/s11033-014-3292-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2013] [Accepted: 02/13/2014] [Indexed: 11/25/2022]
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25
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The beneficial effects of 18β-glycyrrhetinic acid following oxidative and neuronal damage in brain tissue caused by global cerebral ischemia/reperfusion in a C57BL/J6 mouse model. Neurol Sci 2014; 35:1221-8. [DOI: 10.1007/s10072-014-1685-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Accepted: 02/11/2014] [Indexed: 11/26/2022]
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26
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İlhan S, Ateşşahin D, Ateşşahin A, Mutlu E, Onat E, Şahna E. 2,3,7,8-Tetrachlorodibenzo-p-dioxin-induced hypertension. Toxicol Ind Health 2013; 31:298-303. [DOI: 10.1177/0748233712472521] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective: The purpose of the present study was to evaluate the effects of melatonin on biochemical and cardiovascular changes resulting from exposure to 2,3,7,8-tetrachlorodibenzo- p-dioxin (TCDD), a polychlorinated dibenzo- para-dioxin. Methods: A total of 24 Sprague-Dawley rats were divided equally into the following four groups: (1) control group was administered with 0.5 mL corn oil by gavage and 0.5 cc vehicle of melatonin (proportionally nine parts physiological serum + one part ethyl alcohol) intraperitoneally for 4 weeks, (2) the melatonin group was given 5 mg/kg/day melatonin intraperitoneally for 4 weeks, (3) the TCDD group was given 500 ng/kg/day TCDD by gavage for 4 weeks and (4) the TCDD + melatonin group was given TCDD (500 ng/kg/day) by gavage and melatonin (5 mg/kg/day) intraperitoneally simultaneously for 4 weeks. Systolic blood pressure was evaluated by the tail-cuff method. Vascular responses to phenylephrine and acetylcholine were evaluated in the isolated thoracic aortas. Results: TCDD not only augmented the systolic blood pressure but also increased the contractile responses to phenylephrine in aorta. Melatonin reversed the blood pressure augmented by TCDD and decreased the contractile responses to phenylephrine in aorta. TCDD induced an increase in the malondialdehyde levels in kidney tissue and melatonin did not change it. Therefore, TCDD caused a decrease in glutathione levels in kidney tissues and melatonin reversed it. Conclusion: Present data demonstrated that TCDD may lead to an increase in blood pressure via increased renal oxidative stress and vascular reactivity. However, melatonin might ameliorate the blood pressure disturbed by TCDD in part by decreasing the oxidant activity induced by TCDD.
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Affiliation(s)
- Selçuk İlhan
- Department of Pharmacology, Medical Faculty of Firat University, Elazig, Turkey
| | - Dilek Ateşşahin
- Department of Biology, Science Faculty of Firat University, Elazig, Turkey
| | - Ahmet Ateşşahin
- Department of Pharmacology, Veterinary Faculty of Firat University, Elazig, Turkey
| | - Emre Mutlu
- Department of Pharmacology, Medical Faculty of Firat University, Elazig, Turkey
| | - Elif Onat
- Department of Pharmacology, Medical Faculty of Firat University, Elazig, Turkey
| | - Engin Şahna
- Department of Pharmacology, Medical Faculty of Firat University, Elazig, Turkey
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