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Hatem E, El Banna N, Huang ME. Multifaceted Roles of Glutathione and Glutathione-Based Systems in Carcinogenesis and Anticancer Drug Resistance. Antioxid Redox Signal 2017; 27:1217-1234. [PMID: 28537430 DOI: 10.1089/ars.2017.7134] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
SIGNIFICANCE Glutathione is the most abundant antioxidant molecule in living organisms and has multiple functions. Intracellular glutathione homeostasis, through its synthesis, consumption, and degradation, is an intricately balanced process. Glutathione levels are often high in tumor cells before treatment, and there is a strong correlation between elevated levels of intracellular glutathione/sustained glutathione-mediated redox activity and resistance to pro-oxidant anticancer therapy. Recent Advances: Ample evidence demonstrates that glutathione and glutathione-based systems are particularly relevant in cancer initiation, progression, and the development of anticancer drug resistance. CRITICAL ISSUES This review highlights the multifaceted roles of glutathione and glutathione-based systems in carcinogenesis, anticancer drug resistance, and clinical applications. FUTURE DIRECTIONS The evidence summarized here underscores the important role played by glutathione and the glutathione-based systems in carcinogenesis and anticancer drug resistance. Future studies should address mechanistic questions regarding the distinct roles of glutathione in different stages of cancer development and cancer cell death. It will be important to study how metabolic alterations in cancer cells can influence glutathione homeostasis. Sensitive approaches to monitor glutathione dynamics in subcellular compartments will be an indispensible step. Therapeutic perspectives should focus on mechanism-based rational drug combinations that are directed against multiple redox targets using effective, specific, and clinically safe inhibitors. This new strategy is expected to produce a synergistic effect, prevent drug resistance, and diminish doses of single drugs. Antioxid. Redox Signal. 27, 1217-1234.
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Affiliation(s)
- Elie Hatem
- 1 CNRS UMR3348, Institut Curie, PSL Research University , Orsay, France .,2 CNRS UMR3348, Université Paris Sud, Université Paris-Saclay , Orsay, France
| | - Nadine El Banna
- 1 CNRS UMR3348, Institut Curie, PSL Research University , Orsay, France .,2 CNRS UMR3348, Université Paris Sud, Université Paris-Saclay , Orsay, France
| | - Meng-Er Huang
- 1 CNRS UMR3348, Institut Curie, PSL Research University , Orsay, France .,2 CNRS UMR3348, Université Paris Sud, Université Paris-Saclay , Orsay, France
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152
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Hermenean A, Gheorghiu G, Stan MS, Herman H, Onita B, Ardelean DP, Ardelean A, Braun M, Zsuga M, Kéki S, Costache M, Dinischiotu A. Biochemical, Histopathological and Molecular Responses in Gills of Leuciscus cephalus Exposed to Metals. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 73:607-618. [PMID: 28939958 DOI: 10.1007/s00244-017-0450-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 09/06/2017] [Indexed: 06/07/2023]
Abstract
Gills are major targets for acute metal toxicity in fish, due to their permanent contact with aquatic pollutants. To assess the effects of metals on gills of the Leuciscus cephalus (chub), fish individuals were collected from two sites in the Tur River, Romania, in upstream (site 1) and downstream (site 2) of a metal pollution source. Quantitative and hyperspectral analyses showed that Zn, Sr, and Fe concentrations were significantly higher in gills from site 2 compared with site 1. Malondialdehyde and advanced oxidation protein products levels increased 17 and 28%, respectively, whereas reduced glutathione level diminished significantly in the gills of fish collected from site 2 compared to site 1. The activities of superoxide dismutase, catalase, and glutathione-S-transferase increased significantly at 41, 21, and 28%, respectively. Proliferating cell nuclear antigen (PCNA) protein levels, as well as the amount of DNA damage, were significantly increased for site 2 compared with site 1. The induced oxidative stress generated hyperplasia, hypertrophy, and inflammation in the epithelial cells and apoptosis. Hence, this could suggest that gill cells have tried to counteract the oxidative stress-induced DNA fragmentation by PCNA up-regulation, but the PCNA expression decreased on longer time due to the low level of GSH, resulting in apoptosis.
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Affiliation(s)
- Anca Hermenean
- Department of Experimental and Applied Biology, Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414, Arad, Romania.
| | | | - Miruna Silvia Stan
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095, Bucharest, Romania
| | - Hildegard Herman
- Department of Experimental and Applied Biology, Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414, Arad, Romania
| | - Bianca Onita
- Department of Experimental and Applied Biology, Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414, Arad, Romania
| | - Doru Puiu Ardelean
- Department of Experimental and Applied Biology, Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414, Arad, Romania
| | - Aurel Ardelean
- Department of Experimental and Applied Biology, Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414, Arad, Romania
| | - Mihály Braun
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, 4032, Hungary
| | - Miklós Zsuga
- Department of Applied Chemistry, University of Debrecen, Debrecen, 4032, Hungary
| | - Sándor Kéki
- Department of Applied Chemistry, University of Debrecen, Debrecen, 4032, Hungary
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095, Bucharest, Romania
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095, Bucharest, Romania
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153
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Wei F, Jiang X, Gao HY, Gao SH. Liquiritin induces apoptosis and autophagy in cisplatin (DDP)-resistant gastric cancer cells in vitro and xenograft nude mice in vivo. Int J Oncol 2017; 51:1383-1394. [PMID: 29048624 PMCID: PMC5642394 DOI: 10.3892/ijo.2017.4134] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 07/20/2017] [Indexed: 02/04/2023] Open
Abstract
Gastric cancer is reported as one of the leading factors resulting in tumor-related death worldwide. However, the therapies to suppress gastric cancer are still limited and the emergence of drug resistance makes it necessary to develop new and effective anticancer drugs and combinational chemotherapy schemes. Liquiritin (LIQ) is a major constituent of Glycyrrhiza Radix, exhibiting various pharmacological activities, including anticancer. In this study, we investigated the role of LIQ in human gastric cancer cells with cisplatin (DDP) resistance. The findings suggested that LIQ, when applied in single therapy, could moderately inhibit the proliferation and migration of DDP-resistant gastric cancer cells, SGC7901/DDP. DDP and LIQ in combination induced G0/G1 cell cycle arrest to suppress the proliferation of gastric cancer cells, which were associated with the decrease of cyclin D1, cyclin A and cyclin-dependent kinase 4 (CDK4) and increase of p53 and p21. In addition, LIQ combined with DDP significantly induce apoptosis and autophagy both in vitro and in vivo through enhancing cleavage of caspase-8/-9/-3 and PARP, as well as LC3B and Beclin 1 expression. Significantly, the two drugs, when used in combination, prevented gastric cancer cell xenografts in nude mice in vivo. Together, the results revealed that application of DDP and LIQ in combination possessed a potential value against the growth of human gastric cancer with DDP resistance.
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Affiliation(s)
- Feng Wei
- Department of Hepatobiliary and Pancreas Surgery, First Hospital of Jilin University
| | - Xin Jiang
- Department of Biochemistry, Basic College of Medicine, Jilin University
| | - Hao-Yue Gao
- Basic College of Medicine, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Shuo-Hui Gao
- Department of Gastrointestinal Colorectal Surgery, China-Japan Union Hospital of Jilin University
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154
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Xu H, Wang J, Zhang J, Li M. Protective effect of TSG against oxygen-glucose deprivation in cardiomyoblast cell line H9c2: involvement of Bcl-2 family, Caspase 3/9, and Akt signaling pathway. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2017; 10:10584-10592. [PMID: 31966400 PMCID: PMC6965788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 11/08/2016] [Indexed: 06/10/2023]
Abstract
OBJECTIVE This study was designed to investigate the effect of TSG (2, 3, 5, 4'-tetrahydroxystibene-2-O-β-D-glucoside) on ischemic cardiomyopathy (ICM) related cell apoptosis and the mechanism related to it in vitro. METHODS Rat cardiomyoblast cell line H9c2 was cultured in oxygen-glucose withdrawal medium for 8 hours to establish an in vitro cell model of oxygen-glucose deprivation (OGD). Cells were pretreated with TSG to test the protective effect of it against OGD. Cell viability, apoptosis, mitochondrial transmembrane potential (ΔΨm), and apoptosis related proteins were detected using appropriated methods. Differences between treatments were analyzed. RESULTS OGD treatment inhibited cell viability, expression of Akt and Bax, induced loss of ΔΨm, cell apoptosis, and triggered expression of Bcl-2 and Caspase-3/9. TSG pretreatment, on the contrary, suppressed OGD-induced cell apoptosis, ΔΨm loss, Bcl-2 and Caspase-3/9 expression, and promoted OGD-inhibited cell viability, Bax and Akt expression. CONCLUSION We concluded that TSG's protective effect against OGD-induced in vitro ischemic cell model was associated to Akt/Caspase-3 pathway. TSG might be explored as a therapeutic target for ICM.
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Affiliation(s)
- Haiyang Xu
- The First Hospital of Jilin University No. 71 Xinmin Street, Changchun 130021, Jilin, China
| | - Jinghua Wang
- The First Hospital of Jilin University No. 71 Xinmin Street, Changchun 130021, Jilin, China
| | - Jingjing Zhang
- The First Hospital of Jilin University No. 71 Xinmin Street, Changchun 130021, Jilin, China
| | - Mingxian Li
- The First Hospital of Jilin University No. 71 Xinmin Street, Changchun 130021, Jilin, China
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155
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Pierozan P, Colín-González AL, Biasibetti H, da Silva JC, Wyse A, Wajner M, Santamaria A. Toxic Synergism Between Quinolinic Acid and Glutaric Acid in Neuronal Cells Is Mediated by Oxidative Stress: Insights to a New Toxic Model. Mol Neurobiol 2017; 55:5362-5376. [PMID: 28936789 DOI: 10.1007/s12035-017-0761-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 08/31/2017] [Indexed: 12/31/2022]
Abstract
It has been shown that synergistic toxic effects of quinolinic acid (QUIN) and glutaric acid (GA), both in isolated nerve endings and in vivo conditions, suggest the contribution of these metabolites to neurodegeneration. However, this synergism still requires a detailed characterization of the mechanisms involved in cell damage during its occurrence. In this study, the effects of subtoxic concentrations of QUIN and/or GA were tested in neuronal cultures, co-cultures (neuronal cells + astrocytes), and mixed cultures (neuronal cells + astrocytes + microglia) from rat cortex and striatum. The exposure of different cortical and striatal cell cultures to QUIN + GA resulted in cell death and stimulated different markers of oxidative stress, including reactive oxygen species (ROS) formation; changes in the activity of antioxidant enzymes such as superoxide dismutase, catalase, and glutathione peroxidase; and depletion of endogenous antioxidants such as -SH groups and glutathione. The co-incubation of neuronal cultures with QUIN + GA plus the N-methyl-D-aspartate antagonist MK-801 prevented cell death but not ROS formation, whereas the antioxidant melatonin reduced both parameters. Our results demonstrated that QUIN and GA can create synergistic scenarios, inducing toxic effects on some parameters of cell viability via the stimulation of oxidative damage. Therefore, it is likely that oxidative stress may play a major causative role in the synergistic actions exerted by QUIN + GA in a variety of cell culture conditions involving the interaction of different neural types.
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Affiliation(s)
- Paula Pierozan
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Ana Laura Colín-González
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSA, Insurgentes Sur 3877, 14269, Mexico City, Mexico
| | - Helena Biasibetti
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Janaina Camacho da Silva
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Angela Wyse
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Moacir Wajner
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSA, Insurgentes Sur 3877, 14269, Mexico City, Mexico.
- Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
| | - Abel Santamaria
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSA, Insurgentes Sur 3877, 14269, Mexico City, Mexico.
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156
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Singireesu SSNR, Misra S, Mondal SK, Yerramsetty S, Sahu N, K SB. Costunolide induces micronuclei formation, chromosomal aberrations, cytostasis, and mitochondrial-mediated apoptosis in Chinese hamster ovary cells. Cell Biol Toxicol 2017; 34:125-142. [PMID: 28914393 DOI: 10.1007/s10565-017-9411-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 08/25/2017] [Indexed: 12/18/2022]
Abstract
Costunolide (CE) is a sesquiterpene lactone well-known for its antihepatotoxic, antiulcer, and anticancer activities. The present study focused on the evaluation of the cytogenetic toxicity and cellular death-inducing potential of CE in CHO cells, an epithelial cell line derived from normal ovary cells of Chinese hamster. The cytotoxic effect denoting MTT assay has shown an IC50 value of 7.56 μM CE, where 50% proliferation inhibition occurs. The oxidative stress caused by CE was confirmed based on GSH depletion induced cell death, conspicuously absent in N-acetylcysteine (GSH precursor) pretreated cells. The evaluation of genotoxic effects of CE using cytokinesis block micronucleus assay and chromosomal aberration test has shown prominent induction of binucleated micronucleated cells and aberrant metaphases bearing chromatid and chromosomal breaks, indicating CE's clastogenic and aneugenic potential. The apoptotic death in CE treated cells was confirmed by an increase in the number of cells in subG1 phase, exhibiting chromatin condensation and membranous phosphatidylserine translocation. The apoptosis induction follows mitochondrial mediation, evident from an increase in the BAX/Bcl-2 ratio, caspase-3/7 activity, and mitochondrial membrane permeability. CE also induces cytostasis in addition to apoptosis, substantiated by the reduced cytokinetic (replicative indices) and mitotic (mitotic indices and histone H3 Ser-10 phosphorylation) activities. Overall, the cellular GSH depletion and potential genotoxic effects by CE led the CHO cells to commit apoptosis and lowered cell division. The observed sensitivity of CHO cells doubts unintended adverse effects of CE on normal healthy cells, suggesting higher essentiality of further studies in order to establish its safety efficacy in therapeutic explorations.
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Affiliation(s)
| | - Sunil Misra
- Genetic Toxicology Laboratory, Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Sujan Kumar Mondal
- Biomaterials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Suresh Yerramsetty
- Chemical Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Nivedita Sahu
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Suresh Babu K
- Natural Products Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
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157
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Heng S, Zhang X, Pei J, Abell AD. A Rationally Designed Reversible 'Turn-Off' Sensor for Glutathione. BIOSENSORS-BASEL 2017; 7:bios7030036. [PMID: 28878194 PMCID: PMC5618042 DOI: 10.3390/bios7030036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 08/24/2017] [Accepted: 09/04/2017] [Indexed: 12/12/2022]
Abstract
γ-Glutamyl-cysteinyl-glycine (GSH) plays a critical role in maintaining redox homeostasis in biological systems and a decrease in its cellular levels is associated with diseases. Existing fluorescence-based chemosensors for GSH acts as irreversible reaction-based probes that exhibit a maximum fluorescence (‘turn-on’) once the reaction is complete, regardless of the actual concentration of GSH. A reversible, reaction-based ‘turn-off’ probe (1) is reported here to sense the decreasing levels of GSH, a situation known to occur at the onset of various diseases. The more fluorescent merocyanine (MC) isomer of 1 exists in aqueous solution and this reacts with GSH to induce formation of the ring-closed spiropyran (SP) isomer, with a measurable decrease in absorbance and fluorescence (‘turn-off’). Sensor 1 has good aqueous solubility and shows an excellent selectivity for GSH over other biologically relevant metal ions and aminothiol analytes. The sensor permeates HEK 293 cells and an increase in fluorescence is observed on adding buthionine sulfoximine, an inhibitor of GSH synthesis.
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Affiliation(s)
- Sabrina Heng
- ARC Centre of Excellence for Nanoscale BioPhotonics, Institute of Photonics and Advanced Sensing, Department of Chemistry, School of Physical Sciences, The University of Adelaide, Adelaide SA 5005, Australia.
| | - Xiaozhou Zhang
- ARC Centre of Excellence for Nanoscale BioPhotonics, Institute of Photonics and Advanced Sensing, Department of Chemistry, School of Physical Sciences, The University of Adelaide, Adelaide SA 5005, Australia.
| | - Jinxin Pei
- Discipline of Physiology, Faculty of Health Sciences, The University of Adelaide, Adelaide SA 5005, Australia.
| | - Andrew D Abell
- ARC Centre of Excellence for Nanoscale BioPhotonics, Institute of Photonics and Advanced Sensing, Department of Chemistry, School of Physical Sciences, The University of Adelaide, Adelaide SA 5005, Australia.
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158
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Selective effects of whey protein concentrate on glutathione levels and apoptosis in rats with mammary tumors. Food Chem Toxicol 2017; 107:440-448. [DOI: 10.1016/j.fct.2017.07.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 07/04/2017] [Accepted: 07/10/2017] [Indexed: 12/29/2022]
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159
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Xu W, Jia H, Zhang L, Wang H, Tang H, Zhang L. Effects of GSH1 and GSH2 Gene Mutation on Glutathione Synthetases Activity of Saccharomyces cerevisiae. Protein J 2017; 36:270-277. [PMID: 28669025 DOI: 10.1007/s10930-017-9731-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In this paper, three mutants from wild Saccharomyces cerevisiae HBU2.558, called U2.558, UN2.558, and UNA2.558, were screened by UV, sodium nitrite, Atmospheric and room temperature plasma, respectively. Glutathione production of the three mutants increased by 41.86, 72.09 and 56.76%, respectively. We detected the activity of glutathione synthetases and found that its activity was improved. Amino acid sequences of three mutant colonies were compared with HBU2.558. Four mutants: Leu51→Pro51 (L51P), Glu62→Val62 (E62V), Ala332→Glu332 (A332E) and Ser653→Gly653 (S653G) were found in the analysis of γ-glutamylcysteine ligase. L51 is located adjacently to the two active sites of GCL/E/Mg2+/ADP complex in the overall GCL structure. L51P mutant spread distortion on the β-sheet due to the fact that the φ was changed from -50.4° to -40.2°. A mutant Leu54→Pro54 (L54P) was found in the analysis of glutathione synthetase, and L54 was an amino acid located between an α-helix and a β-sheet. The results confirm that introduction of proline located at the middle of the β-sheet or at the N- or C-terminal between α-helix and β-sheet or, i.e., L51P and L54P, changed the φ, rigidity, hydrophobicity and conformational entropy, thus increased protein stability and improved the enzyme activity.
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Affiliation(s)
- Wen Xu
- Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Key Discipline of Biological Engineering of Hebei Province, College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Haiyan Jia
- Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Key Discipline of Biological Engineering of Hebei Province, College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Longmei Zhang
- Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Key Discipline of Biological Engineering of Hebei Province, College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Haiyan Wang
- Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Key Discipline of Biological Engineering of Hebei Province, College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Hui Tang
- Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Key Discipline of Biological Engineering of Hebei Province, College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Liping Zhang
- Engineering Laboratory of Microbial Breeding and Preservation of Hebei Province, Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Key Discipline of Biological Engineering of Hebei Province, College of Life Sciences, Hebei University, Baoding, 071002, China.
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160
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Addala E, Rafiei H, Das S, Bandy B, Das U, Karki SS, Dimmock JR. 3,5-Bis(3-dimethylaminomethyl-4-hydroxybenzylidene)-4-piperidone and related compounds induce glutathione oxidation and mitochondria-mediated cell death in HCT-116 colon cancer cells. Bioorg Med Chem Lett 2017; 27:3669-3673. [PMID: 28716495 DOI: 10.1016/j.bmcl.2017.07.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/03/2017] [Accepted: 07/04/2017] [Indexed: 11/15/2022]
Abstract
This study aims at investigating the cytotoxicity and some of the modes of action of 3,5-bis(3-dimethylamino-4-hydroxybenzylidene)-4-piperidone trihydrochloride 3 and two related compounds 2 (which lacks the dimethylaminomethyl groups) and 4 (which has an additional dimethylaminoethyl substituent in both aryl rings) in order to ascertain the contribution of dimethylaminoethyl substituent to bioactivity. The bioactivities of 2-4 were compared with curcumin 5. Both 2 and 3 displayed submicromolar GI50 values towards HCT-116 cells and were significantly more potent than 4, 5 and 5-fluorouracil (5-FU). All of the compounds displayed greater toxicity towards HCT-116 cells than human CRL-1790 non-malignant colon cells. In HCT-116 cells, the compounds 2, 3 and 5 increased the ratio of oxidised to reduced glutathione and destabilized the mitochondrial membrane potential. Both 2 and 5 produced an increase in mitochondrial superoxide and a burst in intracellular reactive oxygen species in HCT 116 cells. In addition, 2 and 4 stimulated respiration in rat liver mitochondria while 2 and 5 induced mitochondrial swelling. The results suggest that 2 and 5 cause oxidation or cross-linking of the thiols which control the mitochondrial permeability transition.
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Affiliation(s)
- Eshwari Addala
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon S7N 5E5, Canada
| | - Hossein Rafiei
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon S7N 5E5, Canada
| | - Swagatika Das
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon S7N 5E5, Canada
| | - Brian Bandy
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon S7N 5E5, Canada.
| | - Umashankar Das
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon S7N 5E5, Canada
| | - Subhas S Karki
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon S7N 5E5, Canada
| | - Jonathan R Dimmock
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon S7N 5E5, Canada.
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161
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Zhong S, Zhang H, Liu Y, Wang G, Shi C, Li Z, Feng Y, Cui X. Folic acid functionalized reduction-responsive magnetic chitosan nanocapsules for targeted delivery and triggered release of drugs. Carbohydr Polym 2017; 168:282-289. [DOI: 10.1016/j.carbpol.2017.03.083] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 03/22/2017] [Accepted: 03/27/2017] [Indexed: 12/25/2022]
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162
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Cheng YH, Chavez E, Tsai KL, Yang KC, Kuo WT, Yang YP, Chiou SH, Lin FH. Effects of thermosensitive chitosan-gelatin based hydrogel containing glutathione on Cisd2-deficient chondrocytes under oxidative stress. Carbohydr Polym 2017; 173:17-27. [PMID: 28732855 DOI: 10.1016/j.carbpol.2017.05.069] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 05/14/2017] [Accepted: 05/22/2017] [Indexed: 12/31/2022]
Abstract
Aging is considered as a primary risk factor in the development of osteoarthritis (OA) which associated with mitochondrial dysfunction and oxidative stress. CDGSH iron sulfur domain 2 (Cisd2) deficiency causes mitochondrial dysfunction and drive premature aging. In the present study, thermosensitive chitosan-gelatin based hydrogel containing glutathione was developed as injectable drug delivery system for administration by minimal invasive surgery for the treatment of OA. Cisd2 deficiency (Cisd2-/-) mouse induced pluripotent stem cells-derived chondrocytes were established and characterized. The results suggested that 100μM of glutathione may be an optimal concentration to treat Cisd2-/- chondrocytes without cytotoxicity. The developed hydrogel showed sustained release profile of the glutathione and could decrease the reactive oxygen species level. Post-treatment of glutathione-loaded hydrogel could rescue Cisd2-/- chondrocytes from oxidative damage via increasing catalase activity, down-regulation of inflammation, and decreasing apoptosis. These results suggest that thermosensitive glutathione-loaded hydrogel may be a potential antioxidant therapeutic strategy for treating Cisd2-/- chondrocytes in the near future.
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Affiliation(s)
- Yung-Hsin Cheng
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan; Department and Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan.
| | - Eddy Chavez
- Institute of Biomedical Engineering, College of Engineering and College of Medicine, National Taiwan University, Taipei, Taiwan.
| | - Kun-Ling Tsai
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
| | - Kai-Chiang Yang
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Wei-Ting Kuo
- Institute of Biomedical Engineering, College of Engineering and College of Medicine, National Taiwan University, Taipei, Taiwan.
| | - Yi-Ping Yang
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.
| | - Shih-Hwa Chiou
- Department and Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan.
| | - Feng-Huei Lin
- Institute of Biomedical Engineering, College of Engineering and College of Medicine, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Miaoli, Taiwan.
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163
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Wang H, Xu W. Mito-methyl coumarin, a novel mitochondria-targeted drug with great antitumor potential was synthesized. Biochem Biophys Res Commun 2017; 489:1-7. [PMID: 28546001 DOI: 10.1016/j.bbrc.2017.05.116] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 05/21/2017] [Indexed: 11/15/2022]
Abstract
Due to higher transmembrane potential of tumor cells, enhanced accumulation of cationic drugs in tumor mitochondria has been attributed to a higher (more negative inside) mitochondrial transmembrane potential compared with normal cells, emerging researchers are focus on developing mitochondria-targeted antitumor drugs. Coumarins showed great potential on antitumor, but mitochondria-targeted coumarin derivatives have not been reported. In the present study, we synthesized mitochondria-targeted-methyl coumarin (mito-methyl coumarin) through coupling 6-methyl coumarin to TPP. We confirmed that mito-methyl coumarin inhibited HeLa cells proliferation selectively, induced ROS generation, reduced mitochondrial membrane potential, promoted mitochondria Ca2+ accumulation, decreased mitochondria mass and induced HeLa cells apoptosis, but methyl coumarin did not. These results demonstrate that we succeed in synthesizing a novel mitochondria-targeted drug, mito-methyl coumarin, which is effective in inhibiting HeLa cells proliferation and inducing HeLa cells apoptosis through promoting ROS generation and mitochondria Ca2+ accumulation.
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Affiliation(s)
- Huanan Wang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Science, Tianjin 300192, China
| | - Wenqing Xu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Science, Tianjin 300192, China.
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164
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Tatiparti K, Sau S, Kashaw SK, Iyer AK. siRNA Delivery Strategies: A Comprehensive Review of Recent Developments. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E77. [PMID: 28379201 PMCID: PMC5408169 DOI: 10.3390/nano7040077] [Citation(s) in RCA: 256] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 03/07/2017] [Accepted: 03/31/2017] [Indexed: 01/01/2023]
Abstract
siRNA is a promising therapeutic solution to address gene overexpression or mutations as a post-transcriptional gene regulation process for several pathological conditions such as viral infections, cancer, genetic disorders, and autoimmune disorders like arthritis. This therapeutic method is currently being actively pursued in cancer therapy because siRNA has been found to suppress the oncogenes and address mutations in tumor suppressor genes and elucidate the key molecules in cellular pathways in cancer. It is also effective in personalized gene therapy for several diseases due to its specificity, adaptability, and broad targeting capability. However, naked siRNA is unstable in the bloodstream and cannot efficiently cross cell membranes besides being immunogenic. Therefore, careful design of the delivery systems is essential to fully utilize the potential of this therapeutic solution. This review presents a comprehensive update on the challenges of siRNA delivery and the current strategies used to develop nanoparticulate delivery systems.
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Affiliation(s)
- Katyayani Tatiparti
- Use-Inspired Biomaterials & Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.
| | - Samaresh Sau
- Use-Inspired Biomaterials & Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.
| | - Sushil Kumar Kashaw
- Use-Inspired Biomaterials & Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar 470003, India.
| | - Arun K Iyer
- Use-Inspired Biomaterials & Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.
- Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, School of Medicine, Wayne State University, Detroit, MI 48201, USA.
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165
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Menga A, Palmieri EM, Cianciulli A, Infantino V, Mazzone M, Scilimati A, Palmieri F, Castegna A, Iacobazzi V. SLC25A26 overexpression impairs cell function via mtDNA hypermethylation and rewiring of methyl metabolism. FEBS J 2017; 284:967-984. [PMID: 28118529 DOI: 10.1111/febs.14028] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 12/01/2016] [Accepted: 01/20/2017] [Indexed: 12/22/2022]
Abstract
Cancer cells down-regulate different genes to give them a selective advantage in invasiveness and/or metastasis. The SLC25A26 gene encodes the mitochondrial carrier that catalyzes the import of S-adenosylmethionine (SAM) into the mitochondrial matrix, required for mitochondrial methylation processes, and is down-regulated in cervical cancer cells. In this study we show that SLC25A26 is down-regulated due to gene promoter hypermethylation, as a mechanism to promote cell survival and proliferation. Furthermore, overexpression of SLC25A26 in CaSki cells increases mitochondrial SAM availability and promotes hypermethylation of mitochondrial DNA, leading to decreased expression of key respiratory complex subunits, reduction of mitochondrial ATP and release of cytochrome c. In addition, increased SAM transport into mitochondria leads to impairment of the methionine cycle with accumulation of homocysteine at the expense of glutathione, which is strongly reduced. All these events concur to arrest the cell cycle in the S phase, induce apoptosis and enhance chemosensitivity of SAM carrier-overexpressing CaSki cells to cisplatin.
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Affiliation(s)
- Alessio Menga
- National Cancer Research Center, Istituto Tumori 'Giovanni Paolo II', Bari, Italy
| | - Erika M Palmieri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari 'Aldo Moro', Italy
| | - Antonia Cianciulli
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari 'Aldo Moro', Italy
| | | | - Massimiliano Mazzone
- Laboratory of Molecular Oncology and Angiogenesis, Department of Oncology, Vesalius Research Center, KU Leuven, Belgium
| | | | - Ferdinando Palmieri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari 'Aldo Moro', Italy
| | - Alessandra Castegna
- National Cancer Research Center, Istituto Tumori 'Giovanni Paolo II', Bari, Italy.,Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari 'Aldo Moro', Italy
| | - Vito Iacobazzi
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari 'Aldo Moro', Italy
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166
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Lee GH, Lee HY, Choi MK, Chung HW, Kim SW, Chae HJ. Protective effect of Curcuma longa L. extract on CCl 4-induced acute hepatic stress. BMC Res Notes 2017; 10:77. [PMID: 28143589 PMCID: PMC5286822 DOI: 10.1186/s13104-017-2409-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 01/25/2017] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The Curcuma longa L. (CLL) rhizome has long been used to treat patients with hepatic dysfunction. CLL is a member of the ginger family of spices that are widely used in China, India, and Japan, and is a common spice, coloring, flavoring, and traditional medicine. This study was performed to evaluate the hepatoprotective activity of CLL extract and its active component curcumin in an acute carbon tetrachloride (CCl4)-induced liver stress model. METHODS Acute hepatic stress was induced by a single intraperitoneal injection of CCl4 (0.1 ml/kg body weight) in rats. CLL extract was administered once a day for 3 days at three dose levels (100, 200, and 300 mg/kg/day) and curcumin was administered once a day at the 200 mg/kg/day. We performed alanine transaminase (ALT) and aspartate transaminase (AST). activity analysis and also measured total lipid, triglyceride, and cholesterol levels, and lipid peroxidation. RESULTS At 100 g CLL, the curcuminoid components curcumin (901.63 ± 5.37 mg/100 g), bis-demethoxycurcumin (108.28 ± 2.89 mg/100 g), and demethoxycurcumin (234.85 ± 1.85 mg/100 g) were quantified through high liquid chromatography analysis. In CCl4-treated rats, serum AST and ALT levels increased 2.1- and 1.2-fold compared with the control. AST but not ALT elevation induced by CCl4 was significantly alleviated in CLL- and curcumin-treated rats. Peroxidation of membrane lipids in the liver was significantly prevented by CLL (100, 200, and 300 mg/kg/day) on tissue lipid peroxidation assay and immunostaining with anti-4HNE antibody. We found that CLL extract and curcumin exhibited significant protection against liver injury by improving hepatic superoxide dismutase (p < 0.05) and glutathione peroxidase activity, and glutathione content in the CCl4-treated group (p < 0.05), leading to a reduced lipid peroxidase level. CONCLUSION Our data suggested that CLL extract and curcumin protect the liver from acute CCl4-induced injury in a rodent model by suppressing hepatic oxidative stress. Therefore, CLL extract and curcumin are potential therapeutic antioxidant agents against acute hepatotoxicity.
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Affiliation(s)
- Geum-Hwa Lee
- Department of Pharmacology and New Drug Development Institute, Chonbuk National University Medical School, Jeonju, Chonbuk, 561-180 Republic of Korea
| | - Hwa-Young Lee
- Department of Pharmacology and New Drug Development Institute, Chonbuk National University Medical School, Jeonju, Chonbuk, 561-180 Republic of Korea
| | - Min-Kyung Choi
- Department of Pharmacology and New Drug Development Institute, Chonbuk National University Medical School, Jeonju, Chonbuk, 561-180 Republic of Korea
| | - Han-Wool Chung
- Department of Pharmacology and New Drug Development Institute, Chonbuk National University Medical School, Jeonju, Chonbuk, 561-180 Republic of Korea
| | - Seung-Wook Kim
- CS1 Center, Ottogi Research Center, Ottogi Corporation, Kyeonggi-do, 14060 Republic of Korea
- Chemical Genomics National Research Laboratory, Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science and Biotechnology, Yonsei University, Seoul, 120-752 Republic of Korea
| | - Han-Jung Chae
- Department of Pharmacology and New Drug Development Institute, Chonbuk National University Medical School, Jeonju, Chonbuk, 561-180 Republic of Korea
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167
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Akhtar MJ, Ahamed M, Alhadlaq HA, Alshamsan A. Mechanism of ROS scavenging and antioxidant signalling by redox metallic and fullerene nanomaterials: Potential implications in ROS associated degenerative disorders. Biochim Biophys Acta Gen Subj 2017; 1861:802-813. [PMID: 28115205 DOI: 10.1016/j.bbagen.2017.01.018] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Revised: 12/21/2016] [Accepted: 01/09/2017] [Indexed: 12/29/2022]
Abstract
BACKGROUND The balance between oxidation and anti-oxidation is believed to be critical in maintaining healthy biological systems. However, our endogenous antioxidant defense systems are incomplete without exogenous antioxidants and, therefore, there is a continuous demand for exogenous antioxidants to prevent stress and ageing associated disorders. Nanotechnology has yielded enormous variety of nanomaterials (NMs) of which metallic and carbonic (mainly fullerenes) NMs, with redox property, have been found to be strong scavengers of ROS and antioxidants in preclinical in vitro and in vivo models. SCOPE OF REVIEW Redox activity of metal based NMs and membrane translocation time of fullerene NMs seem to be the major determinants in ROS scavenging potential exhibited by these NMs. A comprehensive knowledge about the effects of ROS scavenging NMs in cellular antioxidant signalling is largely lacking. This review compiles the mechanisms of ROS scavenging as well as antioxidant signalling of the aforementioned metallic and fullerene NMs. MAJOR CONCLUSIONS Direct interaction between NMs and proteins does greatly affect the corona/adsorption formation dynamics but such interaction does not provide the explanation behind diverse biological outcomes induced by NMs. Indirect interaction, however, that could occur via NMs uptake and dissolution, NMs ROS induction and ROS scavenging property, and NMs membrane translocation time seem to work as a central mode of interaction. GENERAL SIGNIFICANCE The usage of potential antioxidant NMs in biological systems would greatly impact the field of nanomedicine. ROS scavenging NMs hold great promise in the future treatment of ROS related degenerative disorders.
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Affiliation(s)
- Mohd Javed Akhtar
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia.
| | - Maqusood Ahamed
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia
| | - Hisham A Alhadlaq
- Department of Physics and Astronomy, College of Sciences, King Saud University, Riyadh, Saudi Arabia; King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia
| | - Aws Alshamsan
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia; Nanomedicine Research Unit, Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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168
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Benyettou F, Fahs H, Elkharrag R, Bilbeisi RA, Asma B, Rezgui R, Motte L, Magzoub M, Brandel J, Olsen JC, Piano F, Gunsalus KC, Platas-Iglesias C, Trabolsi A. Selective growth inhibition of cancer cells with doxorubicin-loaded CB[7]-modified iron-oxide nanoparticles. RSC Adv 2017. [DOI: 10.1039/c7ra02693e] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Cucurbit[7]uril-modified iron-oxide nanoparticles (CB[7]NPs) were loaded with doxorubicin hydrochloride (Dox) and tested as a drug delivery system.
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169
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Detection of Glutathione in Oral Squamous Cell Carcinoma Cells With a Fluorescent Probe During the Course of Oxidative Stress and Apoptosis. J Oral Maxillofac Surg 2017; 75:223.e1-223.e10. [DOI: 10.1016/j.joms.2016.08.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 08/01/2016] [Accepted: 08/08/2016] [Indexed: 11/20/2022]
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170
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Comitato R, Guantario B, Leoni G, Nesaretnam K, Ronci MB, Canali R, Virgili F. Tocotrienols induce endoplasmic reticulum stress and apoptosis in cervical cancer cells. GENES AND NUTRITION 2016; 11:32. [PMID: 28031751 PMCID: PMC5180413 DOI: 10.1186/s12263-016-0543-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 10/02/2016] [Indexed: 12/15/2022]
Abstract
BACKGROUND We have previously reported that γ- and δ-tocotrienols (γ- and δ-T3) induce gene expression and apoptosis in human breast cancer cells (MDA-MB-231 and MCF-7). This effect is mediated, at least in part, by a specific binding and activation of the estrogen receptor-β (ERβ). Transcriptomic data obtained within our previous studies, interrogated by different bioinformatic tools, suggested the existence of an alternative pathway, activated by specific T3 forms and leading to apoptosis, also in tumor cells not expressing ER. In order to confirm this hypothesis, we conducted a study in HeLa cells, a line of human cervical cancer cells void of any canonical ER form. RESULTS Cells were synchronized by starvation and treated either with a T3-rich fraction from palm oil (10-20 μg/ml) or with purified α-, γ-, and δ-T3 (5-20 μg/ml). α-tocopherol (TOC) was utilized as a negative control. Apoptosis, accompanied by a significant expression of caspase 8, caspase 10, and caspase 12 was observed at 12 h from treatments. The interrogation of data obtained from transcriptomic platforms (NuGO Affymetrix Human Genechip NuGO_Hs1a520180), further confirmed by RT-PCR, suggested that the administration of γ- and δ-T3 associates with Ca2+ release. Data interrogation were confirmed in living cells; in fact, Ca-dependent signals were observed followed by the expression and activation of IRE-1α and of other molecules involved in the unfolded protein response, the core pathway coping with endoplasmic reticulum stress in eukaryotic cells, finally leading to apoptosis. CONCLUSIONS Our study demonstrates that γ- and δ-T3 induce apoptosis also in tumor cells lacking of ERβ by triggering signals originating from endoplasmic reticulum stress. Our observations suggest that tocotrienols could have a significant role in tumor cell physiology and a possible therapeutic potential.
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Affiliation(s)
- Raffaella Comitato
- Council for Agricultural Research and Economics - Food and Nutrition Research Centre (C.R.E.A.-AN), via Ardeatina 546, 00178 Rome, Italy
| | - Barbara Guantario
- Council for Agricultural Research and Economics - Food and Nutrition Research Centre (C.R.E.A.-AN), via Ardeatina 546, 00178 Rome, Italy
| | - Guido Leoni
- Department of Physics, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Kalanithi Nesaretnam
- Malaysian Palm Oil Board, 6 Persiaran Institusi, Bandar Baru Bangi, 4300 Selangor, Malaysia
| | - Maria Beatrice Ronci
- Council for Agricultural Research and Economics - Food and Nutrition Research Centre (C.R.E.A.-AN), via Ardeatina 546, 00178 Rome, Italy
| | - Raffaella Canali
- Council for Agricultural Research and Economics - Food and Nutrition Research Centre (C.R.E.A.-AN), via Ardeatina 546, 00178 Rome, Italy
| | - Fabio Virgili
- Council for Agricultural Research and Economics - Food and Nutrition Research Centre (C.R.E.A.-AN), via Ardeatina 546, 00178 Rome, Italy
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171
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Ghoneim MAM, Hassan AI, Mahmoud MG, Asker MS. Protective Effect of Adansonia digitata against Isoproterenol-Induced Myocardial Injury in Rats. Anim Biotechnol 2016; 27:84-95. [PMID: 26913549 DOI: 10.1080/10495398.2015.1102147] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The baobab fruit (Adansonia digitata) was analyzed for proximate composition, amino acids, and minerals. The fruit pulp was found to be a good source of carbohydrates, proteins, phenols, and substantial quantities of K, Ca, and Mg. Amino acid analyses revealed high glutamic and aspartic acid, but the sulfur amino acids were the most limited. The present study was designed to investigate the role of Adansonia digitata (Baobab fruit pulp) against isoproterenol induced myocardial oxidative stress in experimental rats by demonstrating the changes in tissue cardiac markers, some antioxidant enzymes, interleukin-1 β (IL-1 β), monocyte chemoattractant protein-1(MCP-1), myeloperoxidase (MPO), Collagen-1, galectin-3, and serum corticosterone. The activities of enzymatic antioxidant glutathione peroxidase (GPX) and non-enzymatic antioxidant reduced glutathione (GSH) in the heart tissue; additionally, histopathological examination of the heart was estimated. Male albino rats were randomly divided into four groups of ten animals each. Group I served as normal control animal. Group II animals received isoproterenol (ISP) (85 mg/kg body weight intraperitonealy (i.p.) to develop myocardial injury. Group III were myocardial oxidative animals treated with Baobab fruit pulp (200 µg/rats/day) for 4 weeks. Group IV received Baobab fruit pulp only. The data suggested an isoproterenol increase in levels of cardiac marker enzymes [creatine kinase MB (CK- MB), lactate dehydrogenase (LDH), and aspartate aminotransferase (AST)], IL-1ß, MCP-1, MPO, Collagen, and galectin-3, with concomitant decrease in the activities GPX and GSH in heart tissue as well as corticosterone in serum. Baobab fruit pulp brings all the parameters to near normal level in ISP-induced myocardial infarction in rats. Histopathological examination of heart tissue of ISP-administered model rat showed infiltration of inflammatory cells and congestion in the blood vessels. However, treatment with Baobab fruit pulp (200 µg/rats/day) showed predominantly normal myocardial structure and no inflammatory cell infiltration. It has been concluded that Baobab fruit pulp has cardio protective effect against ISP-induced oxidative stress in rats.
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Affiliation(s)
- Mona A M Ghoneim
- a Department of Radioisotopes, Nuclear Research Centre , Atomic Energy Authority , Giza , Egypt
| | - Amal I Hassan
- a Department of Radioisotopes, Nuclear Research Centre , Atomic Energy Authority , Giza , Egypt
| | - Manal G Mahmoud
- b Microbial Biotechnology Department , National Research Centre , Dokki , Cairo , Egypt
| | - Mohsen S Asker
- b Microbial Biotechnology Department , National Research Centre , Dokki , Cairo , Egypt
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172
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Khan I, Paul S, Jakhar R, Bhardwaj M, Han J, Kang SC. Novel quercetin derivative TEF induces ER stress and mitochondria-mediated apoptosis in human colon cancer HCT-116 cells. Biomed Pharmacother 2016; 84:789-799. [PMID: 27721177 DOI: 10.1016/j.biopha.2016.09.094] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 09/23/2016] [Accepted: 09/23/2016] [Indexed: 01/08/2023] Open
Abstract
Although quercetin is very well known for its anticancer activity, however it shows some drawbacks. Herein, we have evaluated the apoptotic effect TEF (5, 3'-dihydroxy-3, 7, 4'-triethoxyflavone), a newly synthesized quercetin derivative on HCT-116 colon cancer cells. After 24h of treatment, the proliferation of colon cancer cells was inhibited by TEF. TEF induced apoptosis, as confirmed by the presence of fragmented nuclei, reduced mitochondrial membrane potential, and elevated cytoplasmic and mitochondrial reactive oxygen species (ROS) levels. TEF treatment causes elevation of IRE1-α and activates calcium ions (Ca2+) with concomitant increase in JNK levels. Elevated Ca2+ ion translocates from ER to mitochondria which leads to ROS release and oxidative stress. TEF treatment further elevated levels of pro-apoptotic factors and down-regulated the level of Bcl2. TEF led to activation of mito-JNK (mitochondrial JNK), which plays a crucial role in activation of oxidative stress and caspase mediated apoptotic cell death. Moreover, JNK inhibition shown to suppress TEF induced apoptosis in HCT-116 colon cancer cells. Therefore, this study reveals the apoptotic role of TEF against HCT-116 cell line via IRE1-α and mito-JNK pathway.
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Affiliation(s)
- Imran Khan
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Souren Paul
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Rekha Jakhar
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Monika Bhardwaj
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Jaehong Han
- Metalloenzyme Research Group and Department of Integrative Plant Science, Chung-Ang University, Anseong 456-756, Republic of Korea
| | - Sun Chul Kang
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea.
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173
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Transient glutathione depletion in the substantia nigra compacta is associated with neuroinflammation in rats. Neuroscience 2016; 335:207-20. [DOI: 10.1016/j.neuroscience.2016.08.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 08/09/2016] [Accepted: 08/10/2016] [Indexed: 01/21/2023]
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174
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Mikami Y, Kakizawa S, Yamazawa T. Essential Roles of Natural Products and Gaseous Mediators on Neuronal Cell Death or Survival. Int J Mol Sci 2016; 17:E1652. [PMID: 27690018 PMCID: PMC5085685 DOI: 10.3390/ijms17101652] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 09/21/2016] [Accepted: 09/22/2016] [Indexed: 12/21/2022] Open
Abstract
Although precise cellular and molecular mechanisms underlying neurodegeneration still remain enigmatic, key factors associated with degenerative disorders, such as glutamate toxicity and oxidative stress, have been recently identified. Accordingly, there has been growing interest in examining the effects of exogenous and endogenous molecules on neuroprotection and neurodegeneration. In this paper, we review recent studies on neuroprotective and/or neurodegenerative effects of natural products, such as caffeic acid and chlorogenic acid, and gaseous mediators, including hydrogen sulfide and nitric oxide. Furthermore, possible molecular mechanisms of these molecules in relation to glutamate signals are discussed. Insight into the pathophysiological role of these molecules will make progress in our understanding of molecular mechanisms underlying neurodegenerative diseases, and is expected to lead to potential therapeutic approaches.
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Affiliation(s)
- Yoshinori Mikami
- Department of Physiology, School of Medicine, Faculty of Medicine, Toho University, 5-21-16 Omori-Nishi, Ota-ku, Tokyo 143-8540, Japan.
| | - Sho Kakizawa
- Department of Biological Chemistry, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Toshiko Yamazawa
- Department of Molecular Physiology, The Jikei University School of Medicine, 3-25-8 Nishishimbashi, Minato-ku, Tokyo 105-8461, Japan.
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175
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Wojsiat J, Laskowska-Kaszub K, Alquézar C, Białopiotrowicz E, Esteras N, Zdioruk M, Martin-Requero A, Wojda U. Familial Alzheimer's Disease Lymphocytes Respond Differently Than Sporadic Cells to Oxidative Stress: Upregulated p53-p21 Signaling Linked with Presenilin 1 Mutants. Mol Neurobiol 2016; 54:5683-5698. [PMID: 27644130 PMCID: PMC5533859 DOI: 10.1007/s12035-016-0105-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 09/06/2016] [Indexed: 01/18/2023]
Abstract
Familial (FAD) and sporadic (SAD) Alzheimer's disease do not share all pathomechanisms, but knowledge on their molecular differences is limited. We previously reported that cell cycle control distinguishes lymphocytes from SAD and FAD patients. Significant differences were found in p21 levels of SAD compared to FAD lymphocytes. Since p21 can also regulate apoptosis, the aim of this study was to compare the response of FAD and SAD lymphocytes to oxidative stress like 2-deoxy-D-ribose (2dRib) treatment and to investigate the role of p21 levels in this response. We report that FAD cells bearing seven different PS1 mutations are more resistant to 2dRib-induced cell death than control or SAD cells: FAD cells showed a lower apoptosis rate and a lower depolarization of the mitochondrial membrane. Despite that basal p21 cellular content was lower in FAD than in SAD cells, in response to 2dRib, p21 mRNA and protein levels significantly increased in FAD cells. Moreover, we found a higher cytosolic accumulation of p21 in FAD cells. The transcriptional activation of p21 was shown to be dependent on p53, as it can be blocked by PFT-α, and correlated with the increased phosphorylation of p53 at Serine 15. Our results suggest that in FAD lymphocytes, the p53-mediated increase in p21 transcription, together with a shift in the nucleocytoplasmic localization of p21, confers a survival advantage against 2dRib-induced apoptosis. This compensatory mechanism is absent in SAD cells. Thus, therapeutic and diagnostic designs should take into account possible differential apoptotic responses in SAD versus FAD cells.
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Affiliation(s)
- Joanna Wojsiat
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Pasteur 3, 02-093, Warsaw, Poland
| | - Katarzyna Laskowska-Kaszub
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Pasteur 3, 02-093, Warsaw, Poland
| | - Carolina Alquézar
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Ramiro de Maeztu 9, 28040, Madrid, Spain
- CIBER de Enfermedades Raras (CIBERER), 28040, Madrid, Spain
| | - Emilia Białopiotrowicz
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Pasteur 3, 02-093, Warsaw, Poland
| | - Noemi Esteras
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Ramiro de Maeztu 9, 28040, Madrid, Spain
- CIBER de Enfermedades Raras (CIBERER), 28040, Madrid, Spain
| | - Mykola Zdioruk
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Pasteur 3, 02-093, Warsaw, Poland
| | - Angeles Martin-Requero
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Ramiro de Maeztu 9, 28040, Madrid, Spain
- CIBER de Enfermedades Raras (CIBERER), 28040, Madrid, Spain
| | - Urszula Wojda
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Pasteur 3, 02-093, Warsaw, Poland.
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Redza-Dutordoir M, Averill-Bates DA. Activation of apoptosis signalling pathways by reactive oxygen species. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:2977-2992. [PMID: 27646922 DOI: 10.1016/j.bbamcr.2016.09.012] [Citation(s) in RCA: 2035] [Impact Index Per Article: 254.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 09/12/2016] [Accepted: 09/15/2016] [Indexed: 02/08/2023]
Abstract
Reactive oxygen species (ROS) are short-lived and highly reactive molecules. The generation of ROS in cells exists in equilibrium with a variety of antioxidant defences. At low to modest doses, ROS are considered to be essential for regulation of normal physiological functions involved in development such as cell cycle progression and proliferation, differentiation, migration and cell death. ROS also play an important role in the immune system, maintenance of the redox balance and have been implicated in activation of various cellular signalling pathways. Excess cellular levels of ROS cause damage to proteins, nucleic acids, lipids, membranes and organelles, which can lead to activation of cell death processes such as apoptosis. Apoptosis is a highly regulated process that is essential for the development and survival of multicellular organisms. These organisms often need to discard cells that are superfluous or potentially harmful, having accumulated mutations or become infected by pathogens. Apoptosis features a characteristic set of morphological and biochemical features whereby cells undergo a cascade of self-destruction. Thus, proper regulation of apoptosis is essential for maintaining normal cellular homeostasis. ROS play a central role in cell signalling as well as in regulation of the main pathways of apoptosis mediated by mitochondria, death receptors and the endoplasmic reticulum (ER). This review focuses on current understanding of the role of ROS in each of these three main pathways of apoptosis. The role of ROS in the complex interplay and crosstalk between these different signalling pathways remains to be further unravelled during the coming years.
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Affiliation(s)
- Maureen Redza-Dutordoir
- Département des Sciences Biologiques (TOXEN, BIOMED), Université du Québec à Montréal, Montréal, Québec, Canada
| | - Diana A Averill-Bates
- Département des Sciences Biologiques (TOXEN, BIOMED), Université du Québec à Montréal, Montréal, Québec, Canada.
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177
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Ji Y, Dai Z, Wu G, Wu Z. 4-Hydroxy-2-nonenal induces apoptosis by activating ERK1/2 signaling and depleting intracellular glutathione in intestinal epithelial cells. Sci Rep 2016; 6:32929. [PMID: 27620528 PMCID: PMC5020658 DOI: 10.1038/srep32929] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 08/16/2016] [Indexed: 12/11/2022] Open
Abstract
Excessive reactive oxygen species (ROS) induces oxidative damage to cellular constituents, ultimately leading to induction of apoptotic cell death and the pathogenesis of various diseases. The molecular mechanisms for the action of ROS in intestinal diseases remain poorly defined. Here, we reported that 4-hydroxy-2-nonenal (4-HNE) treatment led to capses-3-dependent apoptosis accompanied by increased intracellular ROS level and reduced glutathione concentration in intestinal epithelial cells. These effects of 4-HNE were markedly abolished by the antioxidant L-cysteine derivative N-acetylcysteine (NAC). Further studies demonstrated that the protective effect of NAC was associated with restoration of intracellular redox state by Nrf2-related regulation of expression of genes involved in intracellular glutathione (GSH) biosynthesis and inactivation of 4-HNE-induced phosphorylation of extracellular signal-regulated protein kinases (ERK1/2). The 4-HNE-induced ERK1/2 activation was mediated by repressing mitogen-activated protein kinase phosphatase-1 (MKP-1), a negative regulator of ERK1/2, through a proteasome-dependent degradation mechanism. Importantly, either overexpression of MKP-1 or NAC treatment blocked 4-HNE-induced MKP-1 degradation, thereby protecting cell from apoptosis. These novel findings provide new insights into a functional role of MKP-1 in oxidative stress-induced cell death by regulating ERK1/2 MAP kinase in intestinal epithelial cells.
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Affiliation(s)
- Yun Ji
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, P. R. China
| | - Zhaolai Dai
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, P. R. China
| | - Guoyao Wu
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, P. R. China.,Department of Animal Science, Texas A&M University, College Station, TX 77843, USA
| | - Zhenlong Wu
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, P. R. China
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178
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Kim HJ, Kim A, Miyata K, Kataoka K. Recent progress in development of siRNA delivery vehicles for cancer therapy. Adv Drug Deliv Rev 2016; 104:61-77. [PMID: 27352638 DOI: 10.1016/j.addr.2016.06.011] [Citation(s) in RCA: 309] [Impact Index Per Article: 38.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Revised: 05/21/2016] [Accepted: 06/16/2016] [Indexed: 12/13/2022]
Abstract
Recent progress in RNA biology has broadened the scope of therapeutic targets of RNA drugs for cancer therapy. However, RNA drugs, typically small interfering RNAs (siRNAs), are rapidly degraded by RNases and filtrated in the kidney, thereby requiring a delivery vehicle for efficient transport to the target cells. To date, various delivery formulations have been developed from cationic lipids, polymers, and/or inorganic nanoparticles for systemic delivery of siRNA to solid tumors. This review describes the current status of clinical trials related to siRNA-based cancer therapy, as well as the remaining issues that need to be overcome to establish a successful therapy. It, then introduces various promising design strategies of delivery vehicles for stable and targeted siRNA delivery, including the prospects for future design.
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179
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Yuan Y, Ma S, Qi Y, Wei X, Cai H, Dong L, Lu Y, Zhang Y, Guo Q. Quercetin inhibited cadmium-induced autophagy in the mouse kidney via inhibition of oxidative stress. J Toxicol Pathol 2016; 29:247-252. [PMID: 27821909 PMCID: PMC5097967 DOI: 10.1293/tox.2016-0026] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 07/04/2016] [Indexed: 12/22/2022] Open
Abstract
The objective of the current study was to explore the inhibitory effects of quercetin on cadmium-induced autophagy in mouse kidneys. Mice were intraperitoneally injected with cadmium and quercetin once daily for 3 days. The LC3-II/β-actin ratio was used as the autophagy marker, and autophagy was observed by transmission electron microscopy. Oxidative stress was investigated in terms of reactive oxygen species, total antioxidant capacity, and malondialdehyde. Cadmium significantly induced typical autophagosome formation, increased the LC3-II/β-actin ratio, reactive oxygen species level, and malondialdehyde content, and decreased total antioxidant capacity. Interestingly, quercetin markedly decreased the cadmium-induced LC3-II/β-actin ratio, reactive oxygen species levels, and malondialdehyde content, and simultaneously increased total antioxidant capacity. Cadmium can inhibit total antioxidant capacity, produce a large amount of reactive oxygen species, lead to oxidative stress, and promote lipid peroxidation, eventually inducing autophagy in mouse kidneys. Quercetin could inhibit cadmium-induced autophagy via inhibition of oxidative stress. This study may provide a theoretical basis for the treatment of cadmium injury.
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Affiliation(s)
- Yuan Yuan
- Department of Intensive Medicine, Gansu Provincial Hospital, 204 West Donggang Rd, Lanzhou, Gansu Province, 730000, China
| | - Shixun Ma
- Department of General Surgery 1, Gansu Provincial Hospital, 204 West Donggang Rd, Lanzhou, Gansu Province, 730000, China
| | - Yongmei Qi
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, 222 South Tianshui Rd, Lanzhou, Gansu Province, 730000, China
| | - Xue Wei
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, 222 South Tianshui Rd, Lanzhou, Gansu Province, 730000, China
| | - Hui Cai
- Medical Department, Gansu Provincial Hospital, 204 West Donggang Rd, Lanzhou, Gansu Province, 730000, China
| | - Li Dong
- Department of Centrol Laboratory, Gansu Provincial Hospital, 204 West Donggang Rd, Lanzhou, Gansu Province, 730000, China
| | - Yufeng Lu
- Department of Obstetrics, Gansu Provincial Hospital, 204 West Donggang Rd, Lanzhou, Gansu Province, 730000, China
| | - Yupeng Zhang
- Department of Oncological Surgery, Ningxia Medical University, 1160 South Shengli Rd, Yinchuan, Ningxia Province, 750000, China
| | - Qingjin Guo
- Department of Oncological Surgery, Ningxia Medical University, 1160 South Shengli Rd, Yinchuan, Ningxia Province, 750000, China
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Li X, Wang H, Wang J, Chen Y, Yin X, Shi G, Li H, Hu Z, Liang X. Emodin enhances cisplatin-induced cytotoxicity in human bladder cancer cells through ROS elevation and MRP1 downregulation. BMC Cancer 2016; 16:578. [PMID: 27485374 PMCID: PMC4971704 DOI: 10.1186/s12885-016-2640-3] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 07/27/2016] [Indexed: 12/12/2022] Open
Abstract
Background Chemoresistance is one of the most leading causes for tumor progression and recurrence of bladder cancer. Reactive oxygen species (ROS) plays a key role in the chemosensitivity of cancer cells. In the present study, emodin (1,3,8-trihydroxy-6-methylanthraquinone) was applied as a ROS generator in combination with cisplatin in T24 and J82 human bladder cancer cells. Methods Cell viability and apoptosis rate of different treatment groups were detected by 3-(4,5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) and flow cytometry (FCM). The expression of transporters was measured at both the transcription and translation levels using PCR and western blotting. In vitro findings were confirmed by in vivo experiments using tumor-bearing mice. The expression of multidrug resistance-associated protein 1 (MRP1) in tumour tissue was measured using immunohistochemistry and side effects of the emodin/cisplatin co-treatment were investigated by histological examination. Results Emodin increased the cellular ROS level and effectively enhanced the cisplatin-induced cytotoxicity of T24 and J82 human bladder cancer cells through decreasing glutathione-cisplatin (GSH-cisplatin) conjugates. It blocked the chemoresistance of T24 and J82 cells to cisplatin through suppressing the expression of MRP1. This effect was specific in T24 and J82 cells but not in HCV-29 normal bladder epithelial cells. Consistent with in vitro experiments, emodin/cisplatin co-treatment increased the cell apoptosis and repressed the MRP1 expression in xenograft tumors, and without obvious systemic toxicity. Conclusions This study revealed that emodin could increase the cisplatin-induced cytotoxicity against T24 and J82 cells via elevating the cellular ROS level and downregulating MRP1 expression. We suggest that emodin could serve as an effective adjuvant agent for the cisplatin-based chemotherapy of bladder cancer. Electronic supplementary material The online version of this article (doi:10.1186/s12885-016-2640-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xinxing Li
- Department of General Surgery, Changzheng Hospital, The Second Military Medical University, 145 S. Fengyang Road, Shanghai, 200003, China.
| | - Haolu Wang
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Brisbane, QLD, 4012, Australia
| | - Juan Wang
- Department of General Surgery, Changzheng Hospital, The Second Military Medical University, 145 S. Fengyang Road, Shanghai, 200003, China
| | - Yuying Chen
- Department of Cell Biology, Key Laboratory of the Education Ministry for Cell Differentiation and Apoptosis, Institutes of Medical Sciences, Shanghai Jiao Tong University School of Medicine, 280 S. Chongqing Road, Shanghai, 200025, China
| | - Xiaobin Yin
- Division of Surgery, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, 1630 S. Dongfang Road, Shanghai, 200127, China
| | - Guiying Shi
- Department of Cell Biology, Key Laboratory of the Education Ministry for Cell Differentiation and Apoptosis, Institutes of Medical Sciences, Shanghai Jiao Tong University School of Medicine, 280 S. Chongqing Road, Shanghai, 200025, China
| | - Hui Li
- Department of Cell Biology, Key Laboratory of the Education Ministry for Cell Differentiation and Apoptosis, Institutes of Medical Sciences, Shanghai Jiao Tong University School of Medicine, 280 S. Chongqing Road, Shanghai, 200025, China
| | - Zhiqian Hu
- Department of General Surgery, Changzheng Hospital, The Second Military Medical University, 145 S. Fengyang Road, Shanghai, 200003, China.
| | - Xiaowen Liang
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Brisbane, QLD, 4012, Australia
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181
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Abdel-Lateef EES, Hammam OA, Mahmoud FS, Atta SA, El-Sayed MM, Hassenein HI. Induction of apoptosis in HepG2 by Vitex agnus-castus L. leaves extracts and identification of their active chemical constituents by LC-ESI-MS. ASIAN PACIFIC JOURNAL OF TROPICAL DISEASE 2016. [DOI: 10.1016/s2222-1808(16)61084-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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182
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D-Galactose Causes Motor Coordination Impairment, and Histological and Biochemical Changes in the Cerebellum of Rats. Mol Neurobiol 2016; 54:4127-4137. [DOI: 10.1007/s12035-016-9981-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 06/14/2016] [Indexed: 12/24/2022]
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183
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Danial M, Andersen AHF, Zuwala K, Cosson S, Riber CF, Smith AAA, Tolstrup M, Moad G, Zelikin AN, Postma A. Triple Activity of Lamivudine Releasing Sulfonated Polymers against HIV-1. Mol Pharm 2016; 13:2397-410. [DOI: 10.1021/acs.molpharmaceut.6b00156] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
| | - Anna H. F. Andersen
- Department
of Clinical Medicine, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Kaja Zuwala
- Department
of Clinical Medicine, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Steffen Cosson
- CSIRO Manufacturing, Clayton, VIC 3168, Australia
- Tissue
Engineering and Microfluidics Laboratory, Australian Institute for
Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, QLD 4072, Australia
| | | | | | - Martin Tolstrup
- Department
of Clinical Medicine, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Graeme Moad
- CSIRO Manufacturing, Clayton, VIC 3168, Australia
| | - Alexander N. Zelikin
- Department
of Chemistry, Aarhus University, Aarhus C 8000, Denmark
- iNANO
Interdisciplinary Nanoscience Centre, Aarhus University, Aarhus C 8000, Denmark
| | - Almar Postma
- CSIRO Manufacturing, Clayton, VIC 3168, Australia
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184
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Huang BK, Langford TF, Sikes HD. Using Sensors and Generators of H2O2 to Elucidate the Toxicity Mechanism of Piperlongumine and Phenethyl Isothiocyanate. Antioxid Redox Signal 2016; 24:924-38. [PMID: 26905788 PMCID: PMC4900193 DOI: 10.1089/ars.2015.6482] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 02/02/2016] [Accepted: 02/21/2016] [Indexed: 01/23/2023]
Abstract
AIMS Chemotherapeutics target vital functions that ensure survival of cancer cells, including their increased reliance on defense mechanisms against oxidative stress compared to normal cells. Many chemotherapeutics exploit this vulnerability to oxidative stress by elevating the levels of intracellular reactive oxygen species (ROS). A quantitative understanding of the oxidants generated and how they induce toxicity will be important for effective implementation and design of future chemotherapeutics. Molecular tools that facilitate measurement and manipulation of individual chemical species within the context of the larger intracellular redox network present a means to develop this understanding. In this work, we demonstrate the use of such tools to elucidate the roles of H2O2 and glutathione (GSH) in the toxicity mechanism of two ROS-based chemotherapeutics, piperlongumine and phenethyl isothiocyanate. RESULTS Depletion of GSH as a result of treatment with these compounds is not an important part of the toxicity mechanisms of these drugs and does not lead to an increase in the intracellular H2O2 level. Measuring peroxiredoxin-2 (Prx-2) oxidation as evidence of increased H2O2, only piperlongumine treatment shows elevation and it is GSH independent. Using a combination of a sensor (HyPer) along with a generator (D-amino acid oxidase) to monitor and mimic the drug-induced H2O2 production, it is determined that H2O2 produced during piperlongumine treatment acts synergistically with the compound to cause enhanced cysteine oxidation and subsequent toxicity. The importance of H2O2 elevation in the mechanism of piperlongumine promotes a hypothesis of why certain cells, such as A549, are more resistant to the drug than others. INNOVATION AND CONCLUSION The approach described herein sheds new light on the previously proposed mechanism of these two ROS-based chemotherapeutics and advocates for the use of both sensors and generators of specific oxidants to isolate their effects. Antioxid. Redox Signal. 24, 924-938.
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Affiliation(s)
- Beijing K. Huang
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Troy F. Langford
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Hadley D. Sikes
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
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185
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Otto C, Hahlbrock T, Eich K, Karaaslan F, Jürgens C, Germer CT, Wiegering A, Kämmerer U. Antiproliferative and antimetabolic effects behind the anticancer property of fermented wheat germ extract. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:160. [PMID: 27245162 PMCID: PMC4888675 DOI: 10.1186/s12906-016-1138-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 05/25/2016] [Indexed: 12/19/2022]
Abstract
BACKGROUND Fermented wheat germ extract (FWGE) sold under the trade name Avemar exhibits anticancer activity in vitro and in vivo. Its mechanisms of action are divided into antiproliferative and antimetabolic effects. Its influcence on cancer cell metabolism needs further investigation. One objective of this study, therefore, was to further elucidate the antimetabolic action of FWGE. The anticancer compound 2,6-dimethoxy-1,4-benzoquinone (DMBQ) is the major bioactive compound in FWGE and is probably responsible for its anticancer activity. The second objective of this study was to compare the antiproliferative properties in vitro of FWGE and the DMBQ compound. METHODS The IC50 values of FWGE were determined for nine human cancer cell lines after 24 h of culture. The DMBQ compound was used at a concentration of 24 μmol/l, which is equal to the molar concentration of DMBQ in FWGE. Cell viability, cell cycle, cellular redox state, glucose consumption, lactic acid production, cellular ATP levels, and the NADH/NAD(+) ratio were measured. RESULTS The mean IC50 value of FWGE for the nine human cancer cell lines tested was 10 mg/ml. Both FWGE (10 mg/ml) and the DMBQ compound (24 μmol/l) induced massive cell damage within 24 h after starting treatment, with changes in the cellular redox state secondary to formation of intracellular reactive oxygen species. Unlike the DMBQ compound, which was only cytotoxic, FWGE exhibited cytostatic and growth delay effects in addition to cytotoxicity. Both cytostatic and growth delay effects were linked to impaired glucose utilization which influenced the cell cycle, cellular ATP levels, and the NADH/NAD(+) ratio. The growth delay effect in response to FWGE treatment led to induction of autophagy. CONCLUSIONS FWGE and the DMBQ compound both induced oxidative stress-promoted cytotoxicity. In addition, FWGE exhibited cytostatic and growth delay effects associated with impaired glucose utilization which led to autophagy, a possible previously unknown mechanism behind the influence of FWGE on cancer cell metabolism.
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186
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In vitro neurotoxic hazard characterisation of dinitrophenolic herbicides. Toxicol Lett 2016; 252:62-9. [DOI: 10.1016/j.toxlet.2016.04.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 04/14/2016] [Accepted: 04/18/2016] [Indexed: 11/23/2022]
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187
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Evaluating the neurotoxic effects of Deepwater Horizon oil spill residues trapped along Alabama's beaches. Life Sci 2016; 155:161-6. [DOI: 10.1016/j.lfs.2016.05.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 04/18/2016] [Accepted: 05/01/2016] [Indexed: 10/21/2022]
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188
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Mancilla H, Maldonado R, Cereceda K, Villarroel-Espíndola F, Montes de Oca M, Angulo C, Castro MA, Slebe JC, Vera JC, Lavandero S, Concha II. Glutathione Depletion Induces Spermatogonial Cell Autophagy. J Cell Biochem 2016; 116:2283-92. [PMID: 25833220 DOI: 10.1002/jcb.25178] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 03/27/2015] [Indexed: 12/13/2022]
Abstract
The development and survival of male germ cells depend on the antioxidant capacity of the seminiferous tubule. Glutathione (GSH) plays an important role in the antioxidant defenses of the spermatogenic epithelium. Autophagy can act as a pro-survival response during oxidative stress or nutrient deficiency. In this work, we evaluated whether autophagy is involved in spermatogonia-type germ cell survival during severe GSH deficiency. We showed that the disruption of GSH metabolism with l-buthionine-(S,R)-sulfoximine (BSO) decreased reduced (GSH), oxidized (GSSG) glutathione content, and GSH/GSSG ratio in germ cells, without altering reactive oxygen species production and cell viability, evaluated by 2',7'-dichlorodihydrofluorescein (DCF) fluorescence and exclusion of propidium iodide assays, respectively. Autophagy was assessed by processing the endogenous protein LC3I and observing its sub-cellular distribution. Immunoblot and immunofluorescence analysis showed a consistent increase in LC3II and accumulation of autophagic vesicles under GSH-depletion conditions. This condition did not show changes in the level of phosphorylation of AMP-activated protein kinase (AMPK) or the ATP content. A loss in S-glutathionylated protein pattern was also observed. However, inhibition of autophagy resulted in decreased ATP content and increased caspase-3/7 activity in GSH-depleted germ cells. These findings suggest that GSH deficiency triggers an AMPK-independent induction of autophagy in germ cells as an adaptive stress response.
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Affiliation(s)
- Héctor Mancilla
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
| | - Rodrigo Maldonado
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
| | - Karina Cereceda
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
| | | | - Marco Montes de Oca
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
| | - Constanza Angulo
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
| | - Maite A Castro
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
| | - Juan C Slebe
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
| | - Juan C Vera
- Departamento de Fisiopatología, Universidad de Concepción, Concepción, Chile
| | - Sergio Lavandero
- Advanced Center for Chronic Diseases (ACCDiS) & Center for Molecular Studies of the Cell, Facultad Ciencias Químicas y Farmacéuticas & Facultad Medicina, Universidad de Chile, Santiago, Chile
| | - Ilona I Concha
- Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia, Chile
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189
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Gouda M, Moustafa A, Hussein L, Hamza M. Three week dietary intervention using apricots, pomegranate juice or/and fermented sour sobya and impact on biomarkers of antioxidative activity, oxidative stress and erythrocytic glutathione transferase activity among adults. Nutr J 2016; 15:52. [PMID: 27175476 PMCID: PMC4864915 DOI: 10.1186/s12937-016-0173-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Accepted: 05/04/2016] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND The beneficial effects of the polyphenol (PP) rich fruits and Lactic acid bacteria fermented foods had been reported as cost-effective strategies for health promotion. Randomized controlled trial was designed to test the hypothesis that daily intake of polyphenol rich pomegranate juice (PGJ) or/ and lactic acid bacteria fermented sobya (FS) improved selected biomarkers of relevance to heath status. METHODS The design of the human trial consisted of 35 healthy adults, who were distributed to 5 equal groups; The first group served as control and received no supplements; the second group received fresh apricot fruits (200 g); the third (PGJ) (250 g), the fourth a mixture of PGJ (150 g) and FS (140 g) and the fifth group received (FS) (170 g). The supplements were served daily between 5 - 6 pm for 21 days. Blood and urine samples were collected at days zero and 22 of the dietary intervention. The supplements were analyzed chemically for (PP) contents and total antioxidative activities and microbiologically for selected bacteria and yeast counts. The blood samples were assayed for plasma antioxidative activities and for erythrocytic glutathione transferase activity (E-GST). Urine samples were analyzed for the excretions of total PP, antioxidative activity and thiobarbituric acid reactive substances (TBARS). STATISTICAL ANALYSIS Two way analysis of variance (ANOVA) was conducted and included the main effects of treatment, time and treatment x time interaction. RESULTS Daily intake of (PGJ) for 3 weeks significantly increased the plasma and urinary anti-oxidative activities and reduced the urinary excretion of (TBARS). Daily intake of (FS) for 3 weeks increased only (E-GST) activity. Daily intake of a mixture of PGJ and (FS) was also effective. CONCLUSIONS The daily intakes of PGJ and/ or (FS) affected positively selected biomarkers of relevance to health status. These functional foods have potential implication for use as bio-therapeutic foods. TRIAL REGISTRATION The study was approved by the research ethical committee of the Ministry of Health & population, Egypt. The trial registration - the unique identifying number. (REC) decision No 12-2013-9, which complied with the Declaration of Helsinki guidelines (2004). The protocol was fully explained to all subjects and written informed consent was obtained before their participation in the trial.
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Affiliation(s)
- Mostafa Gouda
- Department of Nutrition & Food Sc, National Research Center, Giza, Dokki, Egypt
| | - Amr Moustafa
- Department of Biochemistry, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Laila Hussein
- Department of Nutrition & Food Sc, National Research Center, Giza, Dokki, Egypt.
| | - Mohamed Hamza
- Department of Agronomy, Faculty of Agric, Cairo University, Giza, Egypt
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190
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Ferreira DJS, da Silva Pedroza AA, Braz GRF, da Silva-Filho RC, Lima TA, Fernandes MP, Doi SQ, Lagranha CJ. Mitochondrial bioenergetics and oxidative status disruption in brainstem of weaned rats: Immediate response to maternal protein restriction. Brain Res 2016; 1642:553-561. [PMID: 27109594 DOI: 10.1016/j.brainres.2016.04.049] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 03/31/2016] [Accepted: 04/21/2016] [Indexed: 02/07/2023]
Abstract
Mitochondrial bioenergetics dysfunction has been postulated as an important mechanism associated to a number of cardiovascular diseases in adulthood. One of the hypotheses is that this is caused by the metabolic challenge generated by the mismatch between prenatal predicted and postnatal reality. Perinatal low-protein diet produces several effects that are manifested in the adult animal, including altered sympathetic tone, increased arterial blood pressure and oxidative stress in the brainstem. The majority of the studies related to nutritional programming postulates that the increased risk levels for non-communicable diseases are associated with the incompatibility between prenatal and postnatal environment. However, little is known about the immediate effects of maternal protein restriction on the offspring's brainstem. The present study aimed to test the hypothesis that a maternal low-protein diet causes tissue damage immediately after exposure to the nutritional insult that can be assessed in the brainstem of weaned offspring. In this regard, a series of assays was conducted to measure the mitochondrial bioenergetics and oxidative stress biomarkers in the brainstem, which is the brain structure responsible for the autonomic cardiovascular control. Pregnant Wistar rats were fed ad libitum with normoprotein (NP; 17% casein) or low-protein (LP; 8% casein) diet throughout pregnancy and lactation periods. At weaning, the male offsprings were euthanized and the brainstem was quickly removed to assess the mitochondria function, reactive oxygen species (ROS) production, mitochondrial membrane electric potential (ΔΨm), oxidative biomarkers, antioxidant defense and redox status. Our data demonstrated that perinatal LP diet induces an immediate mitochondrial dysfunction. Furthermore, the protein restriction induced a marked increase in ROS production, with a decrease in antioxidant defense and redox status. Altogether, our findings suggest that LP-fed animals may be at a higher risk for oxidative metabolism impairment throughout life than NP-fed rats, due to the immediate disruption of the mitochondrial bioenergetics and oxidative status caused by the LP diet.
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Affiliation(s)
- Diorginis José Soares Ferreira
- Neuropsychiatry and Behavioral Science Graduate Program, Federal University of Pernambuco, 50670-901, Brazil; Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV, Vitória de Santo Antão 55608-680, Brazil
| | - Anderson Apolônio da Silva Pedroza
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV, Vitória de Santo Antão 55608-680, Brazil
| | - Glauber Ruda Feitoza Braz
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV, Vitória de Santo Antão 55608-680, Brazil
| | - Reginaldo Correia da Silva-Filho
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV, Vitória de Santo Antão 55608-680, Brazil
| | - Talitta Arruda Lima
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV, Vitória de Santo Antão 55608-680, Brazil
| | - Mariana Pinheiro Fernandes
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV, Vitória de Santo Antão 55608-680, Brazil
| | - Sonia Q Doi
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Claudia Jacques Lagranha
- Neuropsychiatry and Behavioral Science Graduate Program, Federal University of Pernambuco, 50670-901, Brazil; Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV, Vitória de Santo Antão 55608-680, Brazil.
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191
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Varying butyric acid amounts induce different stress- and cell death-related signals in nerve growth factor-treated PC12 cells: implications in neuropathic pain absence during periodontal disease progression. Apoptosis 2016; 21:699-707. [DOI: 10.1007/s10495-016-1235-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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192
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Gao ZY, Liu Z, Bi MH, Zhang JJ, Han ZQ, Han X, Wang HY, Sun GP, Liu H. Metformin induces apoptosis via a mitochondria-mediated pathway in human breast cancer cells in vitro. Exp Ther Med 2016; 11:1700-1706. [PMID: 27168791 PMCID: PMC4840526 DOI: 10.3892/etm.2016.3143] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Accepted: 12/18/2015] [Indexed: 12/13/2022] Open
Abstract
Breast cancer is the most commonly occurring cancer and second leading cause of mortality in women. Metformin is a widely prescribed anti-hyperglycemic drug, which is emerging as a potential cancer preventative and treatment agent. However, the mechanisms underlying the suppressive effects of metformin on cancer cell growth and the induction of cancer cell apoptosis are not fully elucidated. The present study aimed to identify the pathways regulated by metformin in two breast cancer cell lines, MDA-MB-231 and MDA-MB-435. Cells were treated with various concentrations of metformin and then evaluated with respect to viability, proliferation, adenosine triphosphate (ATP) and reactive oxygen species (ROS) levels, mitochondrial membrane potential (∆ψm), and the expression of anti- and pro-apoptotic proteins. Metformin caused apoptosis in a concentration- and time-dependent manner, and decreased cell viability and ATP production. Furthermore, metformin induced the generation of ROS and decreased the ∆ψm. Moreover, metformin downregulated the expression of the anti-apoptotic proteins B-cell lymphoma 2 (BCL-2) and myeloid cell leukemia-1, and upregulated the expression of the pro-apoptotic BCL-2-associated X protein in MDA-MB-231 cells. These results demonstrate that the apoptotic and cytotoxic effects of metformin on breast cancer cells are mediated by the intrinsic mitochondria-mediated apoptosis pathway.
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Affiliation(s)
- Zhen-Yuan Gao
- Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032. P.R. China
| | - Zhe Liu
- Faculty of Pharmacy, Bengbu Medical College, Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu, Anhui 233030, P.R. China
| | - Ming-Hong Bi
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233022, P.R. China
| | - Jing-Jing Zhang
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233022, P.R. China
| | - Zheng-Quan Han
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233022, P.R. China
| | - Xiao Han
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233022, P.R. China
| | - Hong-Ya Wang
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233022, P.R. China
| | - Guo-Ping Sun
- Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032. P.R. China
| | - Hao Liu
- Faculty of Pharmacy, Bengbu Medical College, Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu, Anhui 233030, P.R. China
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193
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Cao WJ, Wu K, Wang C, Wan DM. Polydatin-induced cell apoptosis and cell cycle arrest are potentiated by Janus kinase 2 inhibition in leukemia cells. Mol Med Rep 2016; 13:3297-302. [PMID: 26934953 DOI: 10.3892/mmr.2016.4909] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2015] [Accepted: 11/10/2015] [Indexed: 11/05/2022] Open
Abstract
Polydatin (PD), a natural precursor of resveratrol, has a variety of biological activities, including anti‑tumor effects. However, the underlying molecular mechanisms of the anti-cancer activity of PD has not been fully elucidated. The present study demonstrated that PD significantly inhibited the proliferation of the MOLT-4 leukemia cell line in a dose‑ and time-dependent manner by using Cell Counting Kit‑8 assay. PD also dose-dependently increased the apoptotic rate and caused cell cycle arrest in S phase in MOLT‑4 cells, as revealed by flow cytometry. In addition, PD dose-dependently decreased the mitochondrial membrane potential and led to the generation of reactive oxygen species in MOLT-4 cells. Western blot analysis revealed that the expression of anti‑apoptotic protein B-cell lymphoma 2 (Bcl-2) was decreased, whereas that of pro‑apoptotic protein Bcl‑2‑associated X was increased by PD. Furthermore, the expression of two cell cycle regulatory proteins, cyclin D1 and cyclin B1, was suppressed by PD. Of note, the pro‑apoptotic and cell cycle‑inhibitory effects of PD were potentiated by Janus kinase 2 (JAK2) inhibition. In conclusion, the results of the present study strongly suggested that PD is a promising therapeutic compound for the treatment of leukemia, particularly in combination with JAK inhibitors.
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Affiliation(s)
- Wei-Jie Cao
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Ke Wu
- Department of Endodontics, The Fourth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Chong Wang
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Ding-Ming Wan
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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194
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Badr H, Kozai D, Sakaguchi R, Numata T, Mori Y. Different Contribution of Redox-Sensitive Transient Receptor Potential Channels to Acetaminophen-Induced Death of Human Hepatoma Cell Line. Front Pharmacol 2016; 7:19. [PMID: 26903865 PMCID: PMC4746322 DOI: 10.3389/fphar.2016.00019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 01/21/2016] [Indexed: 01/30/2023] Open
Abstract
Acetaminophen (APAP) is a safe analgesic antipyretic drug at prescribed doses. Its overdose, however, can cause life-threatening liver damage. Though, involvement of oxidative stress is widely acknowledged in APAP-induced hepatocellular death, the mechanism of this increased oxidative stress and the associated alterations in Ca2+ homeostasis are still unclear. Among members of transient receptor potential (TRP) channels activated in response to oxidative stress, we here identify that redox-sensitive TRPV1, TRPC1, TRPM2, and TRPM7 channels underlie Ca2+ entry and downstream cellular damages induced by APAP in human hepatoma (HepG2) cells. Our data indicate that APAP treatment of HepG2 cells resulted in increased reactive oxygen species (ROS) production, glutathione (GSH) depletion, and Ca2+ entry leading to increased apoptotic cell death. These responses were significantly suppressed by pretreatment with the ROS scavengers N-acetyl-L-cysteine (NAC) and 4,5-dihydroxy-1,3-benzene disulfonic acid disodium salt monohydrate (Tiron), and also by preincubation of cells with the glutathione inducer Dimethylfumarate (DMF). TRP subtype-targeted pharmacological blockers and siRNAs strategy revealed that suppression of either TRPV1, TRPC1, TRPM2, or TRPM7 reduced APAP-induced ROS formation, Ca2+ influx, and cell death; the effects of suppression of TRPV1 or TRPC1, known to be activated by oxidative cysteine modifications, were stronger than those of TRPM2 or TRPM7. Interestingly, TRPV1 and TRPC1 were labeled by the cysteine-selective modification reagent, 5,5′-dithiobis (2-nitrobenzoic acid)-2biotin (DTNB-2Bio), and this was attenuated by pretreatment with APAP, suggesting that APAP and/or its oxidized metabolites act directly on the modification target cysteine residues of TRPV1 and TRPC1 proteins. In human liver tissue, TRPV1, TRPC1, TRPM2, and TRPM7 channels transcripts were localized mainly to hepatocytes and Kupffer cells. Our findings strongly suggest that APAP-induced Ca2+ entry and subsequent hepatocellular death are regulated by multiple redox-activated cation channels, among which TRPV1 and TRPC1 play a prominent role.
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Affiliation(s)
- Heba Badr
- Laboratory of Molecular Biology, Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University Kyoto, Japan
| | - Daisuke Kozai
- Laboratory of Molecular Biology, Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University Kyoto, Japan
| | - Reiko Sakaguchi
- Laboratory of Molecular Biology, Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto UniversityKyoto, Japan; World Premier International Research Initiative-Institute for Integrated Cell-Material Sciences, Kyoto UniversityKyoto, Japan
| | - Tomohiro Numata
- Laboratory of Molecular Biology, Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto UniversityKyoto, Japan; Laboratory of Environmental Systems Biology, Department of Technology and Ecology, Hall of Global Environmental Studies, Kyoto UniversityKyoto, Japan
| | - Yasuo Mori
- Laboratory of Molecular Biology, Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto UniversityKyoto, Japan; World Premier International Research Initiative-Institute for Integrated Cell-Material Sciences, Kyoto UniversityKyoto, Japan; Laboratory of Environmental Systems Biology, Department of Technology and Ecology, Hall of Global Environmental Studies, Kyoto UniversityKyoto, Japan
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195
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Retamal MA, García IE, Pinto BI, Pupo A, Báez D, Stehberg J, Del Rio R, González C. Extracellular Cysteine in Connexins: Role as Redox Sensors. Front Physiol 2016; 7:1. [PMID: 26858649 PMCID: PMC4729916 DOI: 10.3389/fphys.2016.00001] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 01/05/2016] [Indexed: 12/11/2022] Open
Abstract
Connexin-based channels comprise hemichannels and gap junction channels. The opening of hemichannels allow for the flux of ions and molecules from the extracellular space into the cell and vice versa. Similarly, the opening of gap junction channels permits the diffusional exchange of ions and molecules between the cytoplasm and contacting cells. The controlled opening of hemichannels has been associated with several physiological cellular processes; thereby unregulated hemichannel activity may induce loss of cellular homeostasis and cell death. Hemichannel activity can be regulated through several mechanisms, such as phosphorylation, divalent cations and changes in membrane potential. Additionally, it was recently postulated that redox molecules could modify hemichannels properties in vitro. However, the molecular mechanism by which redox molecules interact with hemichannels is poorly understood. In this work, we discuss the current knowledge on connexin redox regulation and we propose the hypothesis that extracellular cysteines could be important for sensing changes in redox potential. Future studies on this topic will offer new insight into hemichannel function, thereby expanding the understanding of the contribution of hemichannels to disease progression.
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Affiliation(s)
- Mauricio A Retamal
- Facultad de Medicina, Centro de Fisiología Celular e Integrativa, Clínica Alemana Universidad del Desarrollo Santiago, Chile
| | - Isaac E García
- Facultad de Ciencias, Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso Valparaíso, Chile
| | - Bernardo I Pinto
- Facultad de Ciencias, Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso Valparaíso, Chile
| | - Amaury Pupo
- Facultad de Ciencias, Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso Valparaíso, Chile
| | - David Báez
- Facultad de Ciencias, Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso Valparaíso, Chile
| | - Jimmy Stehberg
- Laboratorio de Neurobiología, Centro de Investigaciones Biomédicas, Universidad Andres Bello Santiago, Chile
| | - Rodrigo Del Rio
- Laboratory of Cardiorespiratory Control, Center for Biomedical Research, Universidad Autónoma de ChileSantiago, Chile; Dirección de Investigación, Universidad Científica del SurLima, Perú
| | - Carlos González
- Facultad de Ciencias, Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso Valparaíso, Chile
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196
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Cheng J, Liu M, Shao B, Zhang S, Li J, Hu Y, Li X, Zang Y. Development of a novel H2S and GSH detection cocktail for fluorescence imaging. RSC Adv 2016. [DOI: 10.1039/c6ra08998d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A highly sensitive fluorescent detection cocktail has been developed for the simultaneous imaging of H2S and GSH in live cells.
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Affiliation(s)
- Juan Cheng
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Meng Liu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Baihao Shao
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Shuai Zhang
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Jia Li
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Yongzhou Hu
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Xin Li
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Yi Zang
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
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197
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Danial M, Telwatte S, Tyssen D, Cosson S, Tachedjian G, Moad G, Postma A. Combination anti-HIV therapy via tandem release of prodrugs from macromolecular carriers. Polym Chem 2016. [DOI: 10.1039/c6py01882c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reversible addition-fragmentation chain transfer (RAFT) polymerisation has been used to create a library of copolymers outfitted with a combination of self-immolative reverse transcriptase inhibitor prodrug pendents comprising zidovudine (AZT) and lamivudine (3TC).
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Affiliation(s)
| | - Sushama Telwatte
- Centre for Biomedical Research
- Burnet Institute
- Melbourne
- Australia
| | - David Tyssen
- Centre for Biomedical Research
- Burnet Institute
- Melbourne
- Australia
| | - Steffen Cosson
- CSIRO Manufacturing
- Clayton VIC 3168
- Australia
- Australian Institute for Bioengineering & Nanotechnology
- University of Queensland
| | - Gilda Tachedjian
- Centre for Biomedical Research
- Burnet Institute
- Melbourne
- Australia
- Monash University
| | - Graeme Moad
- CSIRO Manufacturing
- Clayton VIC 3168
- Australia
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198
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Nunes C, Teixeira N, Serra D, Freitas V, Almeida L, Laranjinha J. Red wine polyphenol extract efficiently protects intestinal epithelial cells from inflammation via opposite modulation of JAK/STAT and Nrf2 pathways. Toxicol Res (Camb) 2016; 5:53-65. [PMID: 30090326 PMCID: PMC6061778 DOI: 10.1039/c5tx00214a] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 10/01/2015] [Indexed: 12/17/2022] Open
Abstract
The development of therapeutic approaches combining efficacy and safety represents an important goal in intestinal inflammation research. Recently, evidence has supported dietary polyphenols as useful tools in the treatment and prevention of chronic inflammatory diseases, but the mechanisms of action are still poorly understood. We here reveal molecular mechanisms underlying the anti-inflammatory action of a non-alcoholic polyphenol red wine extract (RWE), operating at complementary levels via the Janus kinase/signal transducer and activator of transcription (JAK/STAT) and Nuclear factor-erythroid 2-related factor-2 (Nrf2) pathways. RWE significantly reduced the nuclear levels of phosphorylated STAT1 and also the cellular levels of phosphorylated JAK1 induced by cytokines, suppressing the JAK/STAT inflammatory signalling cascade. In turn, RWE increased the Nrf2 nuclear level, activating the Nrf2 pathway, leading not only to an up-regulation of the heme oxygenase-1 (HO-1) expression but also to an increase of the glutamate-cysteine ligase subunit catalytic (GCLc) gene expression, enhancing the GSH synthesis, thereby counteracting GSH depletion that occurs under inflammatory conditions. Overall, data indicate that the anti-inflammatory action of RWE is exerted at complementary levels, via suppression of the JAK/STAT inflammatory pathway and positive modulation of the activity of Nrf2. These results point to the potential use of the RWE as an efficient, readily available and inexpensive therapeutic strategy in the context of gastrointestinal inflammation.
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Affiliation(s)
- Carla Nunes
- Center for Neurosciences and Cell Biology and Faculty of Pharmacy , University of Coimbra , Health Sciences Campus , Azinhaga de Santa Comba , 3000-548 Coimbra , Portugal .
| | - Natércia Teixeira
- Department of Chemistry , Faculty of Sciences , University of Porto , Portugal
| | - Diana Serra
- Center for Neurosciences and Cell Biology and Faculty of Pharmacy , University of Coimbra , Health Sciences Campus , Azinhaga de Santa Comba , 3000-548 Coimbra , Portugal .
| | - Víctor Freitas
- Department of Chemistry , Faculty of Sciences , University of Porto , Portugal
| | - Leonor Almeida
- Center for Neurosciences and Cell Biology and Faculty of Pharmacy , University of Coimbra , Health Sciences Campus , Azinhaga de Santa Comba , 3000-548 Coimbra , Portugal .
| | - João Laranjinha
- Center for Neurosciences and Cell Biology and Faculty of Pharmacy , University of Coimbra , Health Sciences Campus , Azinhaga de Santa Comba , 3000-548 Coimbra , Portugal .
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199
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Cusumano G, Romagnoli J, Liuzzo G, Ciavarella L, Severino A, Copponi G, Manchi M, Giubilato S, Zannoni G, Stigliano E, Caristo M, Crea F, Citterio F. N-Acetylcysteine and High-Dose Atorvastatin Reduce Oxidative Stress in an Ischemia-Reperfusion Model in the Rat Kidney. Transplant Proc 2015; 47:2757-62. [DOI: 10.1016/j.transproceed.2015.09.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2015] [Revised: 09/04/2015] [Accepted: 09/24/2015] [Indexed: 12/13/2022]
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200
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Mancozeb affects mitochondrial activity, redox status and ATP production in mouse granulosa cells. Toxicol In Vitro 2015; 30:438-45. [PMID: 26407525 DOI: 10.1016/j.tiv.2015.09.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 09/16/2015] [Accepted: 09/20/2015] [Indexed: 01/09/2023]
Abstract
BACKGROUND Mancozeb (MZ) is a fungicide that belongs to the subclass of metal (Mn/Zn) ethylene-bis-dithiocarbamate pesticides. In mouse and human granulosa cells (GCs) exposed to MZ (0.01 μg/ml), morphological modifications and significant alterations of p53 expression level in comparison with control GCs were recorded. OBJECTIVES To investigate if MZ (0.01 μg/ml) induces oxidative stress and alters energy metabolism in exposed mouse GCs. RESULTS Following fungicide exposure, GCs showed low p53 content, a depolarized mitochondrial membrane potential (ΔΨm), as well as low ATP and reduced glutathione (GSH) levels associated with increased reactive oxygen species (ROS) generation. No remarkable differences on other parameters such as ATP/ADP ratio, energy charge, as well as induction of apoptosis and DNA damage were found. The activation of AKT and PDK1 kinases in MZ-treated cells was observed. Inhibition of ROS generation by the antioxidant N-acetylcysteine (NAC) restored a normal expression level of p53. CONCLUSIONS Our results demonstrate that the low dose of MZ here used induces a mild oxidative stress in GCs, and provides evidence for the possible involvement of AKT/PKB signaling pathway in triggering adaptive and survival response.
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