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Savici J, Boldura OM, Balta C, Muselin F, Mederle N, Cristina RT, Brezovan D. Effects of Aronia melanocarpa and Hypericum perforatum aqueous extracts on hexavalent chromium induced toxicity in rat's thyrocytes. J Trace Elem Med Biol 2023; 78:127151. [PMID: 36948046 DOI: 10.1016/j.jtemb.2023.127151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND Hexavalent chromium known as oxidizing agent is able to form reactive oxygen species. Aronia melanocarpa and Hypericum perforatum are two plants known for their antioxidant effects. Our study aimed to establish if CrVI induces apoptosis and structural changes in thyrocytes and if its effect can be counteracted by the administration of both extracts. MATERIALS AND METHODS Wistar rats divided in five groups: C - distilled water (DW), Cr - 75 mg/L CrVI in DW for 3 months, Cr 2 - 75 mg/L CrVI in DW for 3 months followed by 1 month DW, CrA - 3 months 75 mg/L CrVI in DW and 1 month Aronia 2.5% extract, CrH - 3 months 75 mg/L CrVI in DW and 1 month Hypericum 2.5% extract. Histological assessment and qRT-PCR for evaluation of BAX and Bcl2 protein levels performed on thyroid samples. RESULTS The Cr and Cr2 groups were those with altered cytoarchitecture: increase in the diameter of many thyroid follicles, a decrease in their number, a decrease in the height of the follicular cells. The histological examination of the CrH group revealed almost recovery of structural architecture. The BAX gene levels were higher in the Cr and Cr2 groups indicating the apoptotic activity of chromium. In extract receiving groups the BAX gene expressions were significantly lower, but the lowest level presented the CrH group. Bcl2 gene expression levels indicate antiapoptotic activity being elevated in the Cr group, followed by CrA, Cr2, and CrH groups. The BAX/Bcl2 ratio which significantly increased in the case of the Cr and Cr2 group compared to the groups that were administered the two plant extracts. CONCLUSION The results obtained in this study confirm that CrVI has toxic effects on thyroid endocrine cells and H. perforatum has stronger antioxidant properties against the action of hexavalent chromium in thyrocytes than A. melanocarpa.
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Affiliation(s)
- Jelena Savici
- University of Life Sciences "King Michael I", Faculty of Veterinary Medicine, Timisoara, Romania
| | - Oana-Maria Boldura
- University of Life Sciences "King Michael I", Faculty of Veterinary Medicine, Timisoara, Romania
| | - Cornel Balta
- "Vasile Goldis" Western University of Arad, Institute of Life Sciences, Romania
| | - Florin Muselin
- University of Life Sciences "King Michael I", Faculty of Veterinary Medicine, Timisoara, Romania.
| | - Narcisa Mederle
- University of Life Sciences "King Michael I", Faculty of Veterinary Medicine, Timisoara, Romania
| | - Romeo Teodor Cristina
- University of Life Sciences "King Michael I", Faculty of Veterinary Medicine, Timisoara, Romania
| | - Diana Brezovan
- University of Life Sciences "King Michael I", Faculty of Veterinary Medicine, Timisoara, Romania
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Mitra S, Chakraborty AJ, Tareq AM, Emran TB, Nainu F, Khusro A, Idris AM, Khandaker MU, Osman H, Alhumaydhi FA, Simal-Gandara J. Impact of heavy metals on the environment and human health: Novel therapeutic insights to counter the toxicity. JOURNAL OF KING SAUD UNIVERSITY - SCIENCE 2022; 34:101865. [DOI: 10.1016/j.jksus.2022.101865] [Citation(s) in RCA: 219] [Impact Index Per Article: 109.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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El-Demerdash FM, El-Sayed RA, Abdel-Daim MM. Rosmarinus officinalis essential oil modulates renal toxicity and oxidative stress induced by potassium dichromate in rats. J Trace Elem Med Biol 2021; 67:126791. [PMID: 34022565 DOI: 10.1016/j.jtemb.2021.126791] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 05/03/2021] [Accepted: 05/14/2021] [Indexed: 01/26/2023]
Abstract
BACKGROUND Chromium hexavalent (CrVI) is known as a toxic contaminant that induced oxidative stress and nephrotoxicity in humans and animals. Rosmarinus officinalis is a perennial herb rich in biologically active constituents that have powerful antioxidant properties. So, the current work evaluated the effectiveness of Rosmarinus officinalis essential oil (REO) against alterations induced by potassium dichromate in the kidney of male rats. METHODS GC-MS analysis, in vitro total phenol contents, and DPPH scavenging activity of REO were estimated. Thirty-five Wistar male rats were categorized into 5 groups. The first group was the control, the second one was orally administered rosemary essential oil (REO; 0.5 mL/kg BW), the third group was injected intraperitoneally with hexavalent chromium (CrVI; 2 mg/kg BW) for 14 days, the fourth group used as the protective group (REO was administrated 30 min before i.p. injection of CrVI) and the fifth group applied as the therapeutic group (rats injected with CrVI 30 min followed by oral administration of REO), respectively. RESULTS Twenty-nine components were detected with high total phenolic contents and high DPPH scavenging activity. Results revealed that CrVI- intoxicated rats showed a valuable increase in oxidative stress profile (TBARS and H2O2) and a notable decline in glutathione (GSH), total protein content, and enzymatic antioxidants (SOD, CAT, GPx, and GST). Furthermore, serum kidney functions biomarkers (urea, creatinine, and uric acid) were increased significantly. Also, the administration of CrVI showed histological and immunohistochemical (PCNA-ir) changes in rat kidney tissue. Otherwise, administration of REO pre or post-treatment with CrVI significantly restored most of the biochemical parameters in addition to improvement in kidney tissue architecture. Moreover, individual intake with REO exhibited an amendment in oxidative stress markers. CONCLUSION Conclusively, REO had a potential antioxidant capacity in ameliorating K2Cr2O7-induced nephrotoxicity, especially in the protection group.
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Affiliation(s)
- Fatma M El-Demerdash
- Department of Environmental Studies, Institute of Graduate Studies and Research, University of Alexandria, Alexandria, Egypt.
| | - Raghda A El-Sayed
- Department of Environmental Studies, Institute of Graduate Studies and Research, University of Alexandria, Alexandria, Egypt.
| | - Mohamed M Abdel-Daim
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismalia, Egypt.
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Savici J, Cristina RT, Brezovan D, Radulov I, Balta C, Boldura OM, Muselin F. Aronia melanocarpa Ameliorates Adrenal Cytoarchitecture Against the Hexavalent Chromium-Induced Injury. Biol Trace Elem Res 2021; 199:2936-2944. [PMID: 33001412 PMCID: PMC8222023 DOI: 10.1007/s12011-020-02401-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023]
Abstract
Hexavalent chromium is a toxin that penetrates the cell, triggering reactive oxygen species (ROS) production. Aronia melanocarpa, due to its proanthocyanidins, anthocyanins, and phenolic acid contents, is a valuable antioxidant. The aim was to observe the influence of hexavalent chromium Cr(VI) on the adrenal gland, and if this impact can be recovered by the administration of A. melanocarpa. Accordingly, 36 rats were divided into six groups: control; Aronia; Cr receiving Cr(VI) in distilled water for 3 months; CrA receiving a mix of Cr(VI) and A. melanocarpa at 2.5% aqueous extract for 3 months; Cr2 receiving, for 3 months, Cr(VI) in distilled water, and next, for 1 month, only distilled water; and respectively, CrA2 receiving, for 3 months, Cr(VI) in distilled water, followed by 1 month of Aronia at 2.5% extract administration. The adrenal gland samples were examined toward histological and molecular assessment, and results were statistically analyzed (ANOVA). Hexavalent chromium induced changes in the adrenal cortex expressed by focal or diffuse hypertrophies, cytoplasmic vacuolization (due to lipidic accumulation), and cells' shape and size alteration, including necrosis. These structural alterations were carried by Bax and Bcl2 gene expression: the Bax gene expression levels, increased significantly (p < 0.001) in all experimental groups, except the Aronia group, compared with control. In the Cr2, CrA, and CrA2 groups, notable reduction of Bax gene expression (p < 0.001) was reported compared with the Cr group. Regarding the Bcl2 gene expression (p < 0.001), a significant increase was observed in the experimental groups, compared with the control. The Bcl2 expression level had a similar pattern to Bax gene, consequently trying to compensate its overexpression. Aronia administered concomitantly, or after Cr(VI), diminished structural changes and expression of the studied genes, thus reducing the Bax/Bcl2 ratio and suggesting that the active ingredients from Aronia are capable of blocking apoptotic cascade induced by the pathway of Bax and Bcl2 proteins.
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Affiliation(s)
- Jelena Savici
- Faculty of Veterinary Medicine, Department of Histology and Cell biology, Banat University of Agriculture and Veterinary Medicine "King Michael I of Romania" from Timisoara (BUAVM), Calea Aradului 119, 300645, Timișoara, Romania
| | - Romeo Teodor Cristina
- Faculty of Veterinary Medicine, Department of Pharmacoogy and Pharmacy, Banat University of Agriculture and Veterinary Medicine "King Michael I of Romania" from Timisoara (BUAVM), Calea Aradului 119, 300645, Timișoara, Romania.
| | - Diana Brezovan
- Faculty of Veterinary Medicine, Department of Histology and Cell biology, Banat University of Agriculture and Veterinary Medicine "King Michael I of Romania" from Timisoara (BUAVM), Calea Aradului 119, 300645, Timișoara, Romania
| | - Isidora Radulov
- Faculty of Veterinary Medicine, Department of Chemistry, Banat University of Agriculture and Veterinary Medicine "King Michael I of Romania" from Timisoara (BUAVM), Calea Aradului 119, 300645, Timișoara, Romania
| | - Cornel Balta
- "Vasile Goldis" Western University Arad, Revolutiei Blvd. No, 94, Arad, Romania
| | - Oana Maria Boldura
- Faculty of Veterinary Medicine, Department of Biochemistry, Banat University of Agriculture and Veterinary Medicine "King Michael I of Romania" from Timisoara (BUAVM), Calea Aradului 119, 300645, Timișoara, Romania
| | - Florin Muselin
- Faculty of Veterinary Medicine, Department of Toxicology, Banat University of Agriculture and Veterinary Medicine "King Michael I of Romania" from Timisoara (BUAVM), Calea Aradului 119, 300645, Timișoara, Romania
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Han P, Li J, Zhong H, Xie J, Zhang P, Lu Q, Li J, Xu P, Chen P, Leng L, Zhou W. Anti-oxidation properties and therapeutic potentials of spirulina. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102240] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Khalaf AA, Hassanen EI, Ibrahim MA, Tohamy AF, Aboseada MA, Hassan HM, Zaki AR. Rosmarinic acid attenuates chromium-induced hepatic and renal oxidative damage and DNA damage in rats. J Biochem Mol Toxicol 2020; 34:e22579. [PMID: 32662917 DOI: 10.1002/jbt.22579] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/29/2020] [Accepted: 06/30/2020] [Indexed: 12/26/2022]
Abstract
Hexavelant chromium (Cr (V1)) is a widely distributed environmental pollutant inducing damage in different organs of human and animals. The current study was designed to investigate the mechanistic role of rosmarinic acid (RA) to diminish chromium-induced hepatorenal oxidative damage and preneoplastic lesions in rats. Plant material was collected, identified, and extracted. The isolated RA was elucidated relying on the nuclear magnetic resonance spectroscopic data. Twenty-eight male Wistar rats received the following materials daily via oral gavage for 60 days; (Gp1): normal saline, (Gp2) 25 mg/kg.bwt RA, (Gp3) 10 mg/kg.bwt potassium dichromate (K2 Cr2 O7 ), (Gp4) K2 Cr2 O7 + RA. All rats were euthanized at the end of the experiment by cervical dislocation and the liver and kidney were collected. Prolonged continuous exposure of rats to chromium-induced oxidant/antioxidant imbalance manifested by significant elevation of malondialdehyde with reduction in reduced glutathione levels. Remarkable histopathological alterations in the liver and kidney tissue sections were recorded and confirmed by overexpression of the immunohistochemical staining of caspase-3, placental glutathione-S transferase, proliferating cell nuclear antigen together with a significant downregulation of nuclear factor erythroid-2 related factor 2 (Nrf2) gene and upregulation of nibrin gene. Observable improvements in the entire toxicopathological parameters were recorded in group cotreated with RA. Our findings revealed that Cr-induced preneoplastic lesions on the liver and kidney tissues of rats when exposed daily for long period of time, as well as confirmed the ability of RA to alleviate this toxicity through upregulation of Nrf2 pathway and its powerful antioxidant effects.
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Affiliation(s)
- Azem A Khalaf
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Eman I Hassanen
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Marwa A Ibrahim
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Adel F Tohamy
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
- Faculty of Health Sciences, Highest Colleges of Technology, Sharjah, United Arab Emirates
| | - Mahmoud A Aboseada
- Department of Pharmacognosy, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
| | - Hossam M Hassan
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Amr R Zaki
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
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Ibrahim F, Nomier MA, Sabik LME, Shaheen MA. Manganese-induced neurotoxicity and the potential protective effects of lipoic acid and Spirulina platensis. Toxicol Mech Methods 2020; 30:497-507. [PMID: 32441205 DOI: 10.1080/15376516.2020.1771803] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Manganese (Mn) is essential for many physiological processes; however, its excessive accumulation in the brain causes severe dysfunctions in the nervous system. Oxidative stress is thought to be involved in Mn-induced neurotoxicity. The aim of this study was to evaluate the neurotoxic effects of Mn and the potential protective effects of alpha lipoic acid (ALA) and Spirulina platensis (SP), each alone and in combination. Sixty-four male albino rats were divided into eight equal groups: group 1 was used as control, group 2 received saline, which used as a vehicle, group 3 received ALA (50 mg/kg/day), group 4 received SP (300 mg/kg/day), group 5 received Mn (74 mg/kg, 5 days/week), group 6 received Mn + ALA, group 7 received Mn + SP, group 8 received Mn + ALA + SP. Groups 6, 7 and 8 received the same previously mentioned doses. All treatments were orally gavaged for 8 weeks. Mn administration caused neurobehavioral changes, increases of brain and serum Mn and malondialdehyde (MDA), with decreased glutathione peroxidase (GPx), dopamine and acetylcholine levels. The co-treatment with ALA and SP revealed their ability to protect against oxidative damage, neurobehavioral and biochemical changes induced by Mn.
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Affiliation(s)
- Fatma Ibrahim
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mahmoud A Nomier
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Laila M E Sabik
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mohamed A Shaheen
- Department of Histology and Cell Biology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Khalil SR, Salem HFA, Metwally MMM, Emad RM, Elbohi KM, Ali SA. Protective effect of Spirulina platensis against physiological, ultrastructural and cell proliferation damage induced by furan in kidney and liver of rat. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 192:110256. [PMID: 32014724 DOI: 10.1016/j.ecoenv.2020.110256] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/08/2020] [Accepted: 01/27/2020] [Indexed: 06/10/2023]
Abstract
The modulatory role of the Spirulina platensis (SP) against furan-induced (FU) hepatic and renal damage was assessed in this study. For achieving this, sixty rats were distributed into six groups: control group, SP-administered group (300 mg/kg b.wt orally for 28 days), a FU-intoxicated group (16 mg/kg b.wt, orally, daily for 28 days), protective co-treated group SP/F (administered SP 300 mg/kg b.wt, one week before, and concurrently with FU intoxication), therapeutic co-treated group FU/SP (administered SP 300 mg/kg b.wt, one week after FU intoxication for 28 days) and protective/therapeutic co-treated group SP/FU/SP (administered SP one week before and after, concurrently with FU intoxication). Subsequently, the biochemical responses and the histology of hepatic and renal tissues in treated rats were assessed. The results indicated that FU intoxication induced a significant hepato- and nephropathy represented by the elevation in the values of tissue injury biomarkers and reduction in protein levels. Histologically, a wide range of morphological, cytotoxic, inflammatory, and vascular alterations as well as downregulation in the immunoexpression of the proliferating cell nuclear antigen (PCNA) and the proliferation-associated nuclear antigen (Ki-67) were induced by FU intoxication. Oral SP administration, particularly in the protective/therapeutic co-treated group, markedly supressed the serum levels of the tissue injury biomarkers, diminished the inflammatory response, restored the cytotoxic alterations, upregulated the immunoexpression of PCNA and Ki-67, and restored the perturbed morphology of the hepatic and renal tissues. In conclusion, the obtained data demonstrated that SP co-administration elicits both protective and therapeutic potential against the FU-induced hepato- and nephropathy.
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Affiliation(s)
- Samah R Khalil
- Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Zagazig University, Egypt.
| | - Hoda F A Salem
- Histology and Cytology Department, Faculty of Veterinary Medicine, Zagazig University, Egypt
| | | | - Rasha M Emad
- Histology and Cytology Department, Faculty of Veterinary Medicine, Zagazig University, Egypt
| | - Khlood M Elbohi
- Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Zagazig University, Egypt
| | - Sozan A Ali
- Histology and Cytology Department, Faculty of Veterinary Medicine, Zagazig University, Egypt
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Rojas-Franco P, Franco-Colín M, Camargo MEM, Carmona MME, Ortíz-Butrón MDRE, Blas-Valdivia V, Cano-Europa E. Phycobiliproteins and phycocyanin of Arthrospira maxima ( Spirulina) reduce apoptosis promoters and glomerular dysfunction in mercury-related acute kidney injury. TOXICOLOGY RESEARCH AND APPLICATION 2018. [DOI: 10.1177/2397847318805070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Arthrospira maxima ( Spirulina) is considered a nutraceutical or functional food because it provides health benefits and it is used as nephroprotector because it contains nucleophilic compounds as phycobiliproteins and phycocyanin that prevent oxidative stress and cellular damage process. Also, it is known that inorganic mercury is bioaccumulated and exerted kidney toxicity. Despite the nephroprotective effect of Spirulina and its components, there is not enough information about the effect of them on renal function as well as the apoptosis process inhibition. This work aimed to investigate whether phycobiliproteins and phycocyanin of Spirulina can improve HgCl2-related glomerular and tubular renal dysfunction as well as the Bax, Bcl2, and effectors caspases alterations. Male mice were administrated with Spirulina, phycobiliproteins or phycocyanin 30 min before 5 mg/Kg HgCl2 administration. The nutraceuticals were administrated for the next 5 days. Then, the mice were euthanized. The renal function, caspases 3 and 9 activities, as well as Bax and Bcl2 expression were evaluated. Spirulina and its components prevent HgCl2-related apoptosis induction and glomerular dysfunction. We concluded that phycobiliproteins and phycocyanin of Spirulina reduce glomerular damage but not the tubular dysfunction in a mercury-related acute kidney injury.
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Affiliation(s)
- Placido Rojas-Franco
- Laboratorio de Metabolismo, Departamento de Fisiología, Instituto Politécnico Nacional, Delegación Gustavo Madero, México
| | - Margarita Franco-Colín
- Laboratorio de Metabolismo, Departamento de Fisiología, Instituto Politécnico Nacional, Delegación Gustavo Madero, México
| | - María Estela Meléndez Camargo
- Laboratorio de Toxicología Hepática y Renal, Departamento de Farmacia, Instituto Politécnico Nacional, Delegación Gustavo Madero, México
| | - María Mirian Estévez Carmona
- Laboratorio de Toxicología Hepática y Renal, Departamento de Farmacia, Instituto Politécnico Nacional, Delegación Gustavo Madero, México
| | - María del Rocío Elizabeth Ortíz-Butrón
- Laboratorio de Neurobiología, Departamento de Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Delegación Gustavo Madero, México
| | - Vanessa Blas-Valdivia
- Laboratorio de Neurobiología, Departamento de Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Delegación Gustavo Madero, México
| | - Edgar Cano-Europa
- Laboratorio de Metabolismo, Departamento de Fisiología, Instituto Politécnico Nacional, Delegación Gustavo Madero, México
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Yu X, Yu RQ, Gui D, Zhang X, Zhan F, Sun X, Wu Y. Hexavalent chromium induces oxidative stress and mitochondria-mediated apoptosis in isolated skin fibroblasts of Indo-Pacific humpback dolphin. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 203:179-186. [PMID: 30153559 DOI: 10.1016/j.aquatox.2018.08.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 08/14/2018] [Accepted: 08/14/2018] [Indexed: 06/08/2023]
Abstract
The increasing gas emissions and industrial wastewater discharge of anthropogenic hexavalent chromium (Cr(VI)) have been growing health concerns to the high trophic level marine mammals. Our previous studies showed that Indo-Pacific humpback dolphin (Sousa chinensis), stranded on the Pearl River Estuary region, contained exceedingly high levels of Cr in their skin-tissues. Unfortunately, the molecular toxic mechanisms on this mammal are absent, limiting our understanding of the eco-physiological impacts of Cr(VI) on dolphins. Thus, the cytotoxicity effects of Cr(VI) were analyzed on fibroblasts we isolated from the skin of S. chinensis (ScSF). This study showed that Cr(VI) markedly inhibited the viability of ScSF cells via induction of apoptosis accompanied by an increase in the production of reactive oxygen species and the population of G2/M arrest or apoptotic sub-G1 phase cells, up-regulation of p53, and activation of caspase-3. Further investigation on intracellular mechanisms indicated that Cr(VI) induced depletion of mitochondrial membrane potential in cells through regulating the expression of anti-apoptotic (Bcl-2) and pro-apoptotic (Bax) proteins, resulting in decrease of the ATP level, cytochrome c release from mitochondria into cytosol, and the activation of caspase-9. Furthermore, antioxidants N-acetylcysteine and vitamin C displayed chemoprotective activity against Cr(VI) via suppression of p53 expression, indicating that the Cr(VI)-induced cell death may be mediated by oxidative stress. Overall, these results provide insights into the potential mechanisms underlying the cytotoxicity of Cr(VI) in Indo-Pacific humpback dolphin skin cells, offer experimental support for the proposed protective role of antioxidants in Cr(VI)-induced toxicity, and suggest that Cr(VI) contamination is one of key health concern issues for the protection of Indo-Pacific humpback dolphin.
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Affiliation(s)
- Xinjian Yu
- Zhuhai Key Laboratory of Marine Bioresources and Environment, Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Ri-Qing Yu
- Department of Biology, University of Texas at Tyler, Tyler, TX 75799, USA
| | - Duan Gui
- Zhuhai Key Laboratory of Marine Bioresources and Environment, Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Xiyang Zhang
- Zhuhai Key Laboratory of Marine Bioresources and Environment, Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Fenping Zhan
- Zhuhai Key Laboratory of Marine Bioresources and Environment, Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Xian Sun
- Zhuhai Key Laboratory of Marine Bioresources and Environment, Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Yuping Wu
- Zhuhai Key Laboratory of Marine Bioresources and Environment, Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
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Protective potency of Meristotropis xanthioides against nephrotoxicity in a rat model along with its antioxidant and antibacterial activities. ASIAN PAC J TROP MED 2017; 10:960-966. [PMID: 29111191 DOI: 10.1016/j.apjtm.2017.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 08/02/2017] [Accepted: 09/05/2017] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVE To investigate nephroprotective potential of Meristotropis xanthioides (M. xanthioides) extract against ethanol-induced nephrotoxicity in Wistar rats, and also its total phenolics content, antioxidant and antibacterial activities. METHODS Total phenol and flavonoid amounts of the leaf and stem extracts were determined by Folin-Ciocalteu and aluminum chloride reagents, respectively. Antioxidant and antibacterial activities of the extracts were investigated by 2,2-diphenyl-1-picrylhydrazyl radical scavenging and disc diffusion methods, respectively. In addition, protective potential of the leaf extract against ethanol-induced nephrotoxicity was studied by histological and biochemical analyses. RESULTS Obtained results indicated high total phenol [(10.26 ± 0.46) mg GAE/g of dry extract] and flavonoid [(3.63 ± 0.62) mg QE/g of dry extract] amounts in the leaf extract. The leaf and stem extracts possessed stronger antioxidant activity [IC50: (0.119 ± 0.006) mg/mL and IC50: (0.133 ± 0.009 mg/mL)] than that of ascorbic acid [IC50: (0.142 ± 0.002) mg/mL]. Also, the extracts showed good antibacterial activity against the most of bacteria taken in this research, especially Gram-positive ones. Histological examinations revealed tissue injury in the kidney of rats treated with ethanol. Results from biochemical assays showed reduction in total protein content and also in superoxide dismutase activity. In addition, remarkable increased levels (P < 0.05) of H2O2 and malondialdehyde were found in ethanol-treated rats in comparison to control group. However, these injuries were significantly improved in rats treated by M. xanthioides leaf extract. CONCLUSIONS Results from present study demonstrates strong pharmaceutical potential of M. xanthioides extract to apply as a new drug supplement.
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Wang Y, Su H, Gu Y, Song X, Zhao J. Carcinogenicity of chromium and chemoprevention: a brief update. Onco Targets Ther 2017; 10:4065-4079. [PMID: 28860815 PMCID: PMC5565385 DOI: 10.2147/ott.s139262] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Chromium has two main valence states: hexavalent chromium (Cr[VI]) and trivalent chromium (Cr[III]). Cr(VI), a well-established human carcinogen, can enter cells by way of a sulfate/phosphate anion-transport system, and then be reduced to lower-valence intermediates consisting of pentavalent chromium (Cr[V]), tetravalent chromium (Cr[IV]) or Cr(III) via cellular reductants. These intermediates may directly or indirectly result in DNA damage or DNA–protein cross-links. Although Cr(III) complexes cannot pass easily through cell membranes, they have the ability to accumulate around cells to induce cell-surface morphological alteration and result in cell-membrane lipid injuries via disruption of cellular functions and integrity, and finally to cause DNA damage. In recent years, more research, including in vitro, in vivo, and epidemiological studies, has been conducted to evaluate the genotoxicity/carcinogenicity induced by Cr(VI) and/or Cr(III) compounds. At the same time, various therapeutic agents, especially antioxidants, have been explored through in vitro and in vivo studies for preventing chromium-induced genotoxicity/carcinogenesis. This review aims to provide a brief update on the carcinogenicity of Cr(VI) and Cr(III) and chemoprevention with different antioxidants.
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Affiliation(s)
- Yafei Wang
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Hong Su
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Yuanliang Gu
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Xin Song
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Jinshun Zhao
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China.,Toxicology and Molecular Biology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV, USA
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Antioxidant, Immunomodulating, and Microbial-Modulating Activities of the Sustainable and Ecofriendly Spirulina. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:3247528. [PMID: 28182098 PMCID: PMC5274660 DOI: 10.1155/2017/3247528] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 11/26/2016] [Accepted: 12/12/2016] [Indexed: 12/30/2022]
Abstract
The highly nutritional and ecofriendly Spirulina (Arthrospira platensis) has hypolipidemic, hypoglycemic, and antihypertensive properties. Spirulina contains functional compounds, such as phenolics, phycocyanins, and polysaccharides, with antioxidant, anti-inflammatory, and immunostimulating effects. Studies conducted on Spirulina suggest that it is safe in healthy subjects, but attitude to eating probably affects the acceptability of Spirulina containing foods. Although the antioxidant effect of Spirulina is confirmed by the intervention studies, the concerted modulation of antioxidant and inflammatory responses, suggested by in vitro and animal studies, requires more confirmation in humans. Spirulina supplements seem to affect more effectively the innate immunity, promoting the activity of natural killer cells. The effects on cytokines and on lymphocytes' proliferation depend on age, gender, and body weight differences. In this context, ageing and obesity are both associated with chronic low grade inflammation, immune impairment, and intestinal dysbiosis. Microbial-modulating activities have been reported in vitro, suggesting that the association of Spirulina and probiotics could represent a new strategy to improve the growth of beneficial intestinal microbiota. Although Spirulina might represent a functional food with potential beneficial effects on human health, the human interventions used only supplements. Therefore, the effect of food containing Spirulina should be evaluated in the future.
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Sharma S, Sharma KP, Sharma S. Role of Spirulina in mitigating hemato-toxicity in Swiss albino mice exposed to aluminum and aluminum fluoride. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:25280-25287. [PMID: 27687764 DOI: 10.1007/s11356-016-7718-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 09/14/2016] [Indexed: 06/06/2023]
Abstract
Aluminum is ingested through foods, water, air, and even drugs. Its intake is potentiated further through foods and tea prepared in aluminum utensils and Al salt added in the drinking water for removal of suspended impurities and also fluoride in the affected areas. The ameliorating role of a blue green alga Spirulina is well documented to various pollutants in the animal models. We, therefore, examined its protective role (230 mg/kg body weight) on the hematology of male Swiss albino mice treated with aluminum (sub-acute = 78.4 mg/kg body weight for 7 days, sub-chronic = 7.8 mg/kg body weight for 90 days) and aluminum fluoride (sub-acute = 103 mg/kg body weight, sub-chronic = 21 mg/kg body weight), along with their recovery after 90 days of sub-chronic exposure. This study revealed significant reduction in the values of RBC (5-18 %), Hb (15-17 %), PCV (8-14 %), and platelets (26-36 %), and increase in WBC (54-124 %) in the treated mice, particularly after sub-acute exposure. Aluminum fluoride was comparatively more toxic than aluminum. Further, Spirulina supplement not only alleviated toxicity of test chemicals in Swiss albino mice but also led to their better recovery after withdrawal.
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Affiliation(s)
- Shweta Sharma
- Department of Zoology, University of Rajasthan, Jaipur, 302004, India.
| | - K P Sharma
- Department of Botany, University of Rajasthan, Jaipur, 302004, India
| | - Subhasini Sharma
- Department of Zoology, University of Rajasthan, Jaipur, 302004, India
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He Q, Babcook MA, Shukla S, Shankar E, Wang Z, Liu G, Erokwu BO, Flask CA, Lu L, Daneshgari F, MacLennan GT, Gupta S. Obesity-initiated metabolic syndrome promotes urinary voiding dysfunction in a mouse model. Prostate 2016; 76:964-76. [PMID: 27040645 PMCID: PMC4946024 DOI: 10.1002/pros.23185] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 03/11/2016] [Indexed: 12/27/2022]
Abstract
OBJECTIVE Accumulating evidences suggests that obesity and metabolic syndrome (MetS) contribute towards lower urinary tract symptoms (LUTS) through alterations in the phenotype of bladder and prostate gland. Clinical studies indicate a link between MetS and LUTS. Nevertheless, there is lack of suitable animal model(s) which could illustrate an association linking obesity to LUTS. We examined the lower urinary tract function in an obesity-initiated MetS mouse model. METHODS Male C57BL/6N wild-type and obese B6.V-Lepob/J maintained on regular diet for 28 weeks were subjected to the assessment of body weight (BW), body length (BL), waist circumference (WC), body mass index (BMI), blood glucose (BG), plasma insulin (INS), plasma leptin (LEP), total cholesterol (CHO), free fatty acid (FFA), and measurement of urinary functions. Whole animal peritoneal and subcutaneous adipose tissue measurements as well as prostate and bladder volumes were analyzed by MRI followed by histological evaluation. These parameters were used to draw correlations between MetS and LUTS. RESULTS Obesity parameters such as BW, WC, and BMI were significantly higher in B6.V-Lepob/J mice compared to C57BL/6N mice (P < 0.01). Higher levels of total CHO and FFA were noted in B6.V-Lepob/J mice than C57BL/6N mice (P < 0.05). These results were concurrent with frequency, lower average urine volume and other urinary voiding dysfunctions in B6.V-Lepob/J mice. MRI assessments demonstrate marked increase in body fat and prostate volume in these mice. Compared to C57BL/6N mice, histological analysis of the prostate from B6.V-Lepob/J mice showed increased proliferation, gland crowding, and infiltration of immune cells in the stroma; whereas the bladder urothelium was slightly thicker and appears more proliferative in these mice. The regression and correlation analysis indicate that peritoneal fat (R = 0.853; P < 0.02), CHO (R = 0.729; P < 0.001), BG (R = 0.712; P < 0.001) and prostate volume (R = 0.706; P < 0.023) strongly correlate with LUTS whereas BMI, WC, INS, and FFA moderately correlate with the prevalence of bladder dysfunction. CONCLUSION Our results suggest that LUTS may be attributable in part to obesity and MetS. Validation of an in vivo model may lead to understand the underlying pathophysiological mechanisms of obesity-related LUTS in humans. Prostate 76:964-976, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Qiqi He
- Department of Urology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
- Department of Urology, Key Laboratory of Disease of Urological Systems, Gansu Nephro-Urological Clinical Center, Second Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Melissa A. Babcook
- Department of Urology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
| | - Sanjeev Shukla
- Department of Urology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
| | - Eswar Shankar
- Department of Urology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
| | - Zhiping Wang
- Department of Urology, Key Laboratory of Disease of Urological Systems, Gansu Nephro-Urological Clinical Center, Second Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Guiming Liu
- Department of Surgery, MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio 44109
| | - Bernadette O. Erokwu
- Department of Radiology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
| | - Chris A. Flask
- Department of Radiology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106
- Department of Pediatrics, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
| | - Lan Lu
- Department of Urology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
- Department of Radiology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
| | - Firouz Daneshgari
- Department of Surgery, MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio 44109
| | - Gregory T. MacLennan
- Department of Pathology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
| | - Sanjay Gupta
- Department of Urology, Case Western Reserve University & University Hospitals Case Medical Center, Cleveland, Ohio 44106
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The antioxidant, immunomodulatory, and anti-inflammatory activities of Spirulina: an overview. Arch Toxicol 2016; 90:1817-40. [PMID: 27259333 DOI: 10.1007/s00204-016-1744-5] [Citation(s) in RCA: 265] [Impact Index Per Article: 33.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Accepted: 05/24/2016] [Indexed: 12/15/2022]
Abstract
Spirulina is a species of filamentous cyanobacteria that has long been used as a food supplement. In particular, Spirulina platensis and Spirulina maxima are the most important. Thanks to a high protein and vitamin content, Spirulina is used as a nutraceutical food supplement, although its other potential health benefits have attracted much attention. Oxidative stress and dysfunctional immunity cause many diseases in humans, including atherosclerosis, cardiac hypertrophy, heart failure, and hypertension. Thus, the antioxidant, immunomodulatory, and anti-inflammatory activities of these microalgae may play an important role in human health. Here, we discuss the antioxidant, immunomodulatory, and anti-inflammatory activities of Spirulina in both animals and humans, along with the underlying mechanisms. In addition, its commercial and regulatory status in different countries is discussed as well. Spirulina activates cellular antioxidant enzymes, inhibits lipid peroxidation and DNA damage, scavenges free radicals, and increases the activity of superoxide dismutase and catalase. Notably, there appears to be a threshold level above which Spirulina will taper off the antioxidant activity. Clinical trials show that Spirulina prevents skeletal muscle damage under conditions of exercise-induced oxidative stress and can stimulate the production of antibodies and up- or downregulate the expression of cytokine-encoding genes to induce immunomodulatory and anti-inflammatory responses. The molecular mechanism(s) by which Spirulina induces these activities is unclear, but phycocyanin and β-carotene are important molecules. Moreover, Spirulina effectively regulates the ERK1/2, JNK, p38, and IκB pathways. This review provides new insight into the potential therapeutic applications of Spirulina and may provide new ideas for future studies.
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