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Himoto T, Masaki T. Current Trends on the Involvement of Zinc, Copper, and Selenium in the Process of Hepatocarcinogenesis. Nutrients 2024; 16:472. [PMID: 38398797 PMCID: PMC10892613 DOI: 10.3390/nu16040472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Numerous nutritional factors increase the risk of hepatocellular carcinoma (HCC) development. The dysregulation of zinc, copper, and selenium homeostasis is associated with the occurrence of HCC. The impairment of the homeostasis of these essential trace elements results in oxidative stress, DNA damage, cell cycle progression, and angiogenesis, finally leading to hepatocarcinogenesis. These essential trace elements can affect the microenvironment in HCC. The carrier proteins for zinc and copper and selenium-containing enzymes play important roles in the prevention or progression of HCC. These trace elements enhance or alleviate the chemosensitivity of anticancer agents in patients with HCC. The zinc, copper, or selenium may affect the homeostasis of other trace elements with each other. Novel types of cell death including ferropotosis and cupropotosis are also associated with hepatocarcinogenesis. Therapeutic strategies for HCC that target these carrier proteins for zinc and copper or selenium-containing enzymes have been developed in in vitro and in vivo studies. The use of zinc-, copper- or selenium-nanoparticles has been considered as novel therapeutic agents for HCC. These results indicate that zinc, copper, and selenium may become promising therapeutic targets in patients with HCC. The clinical application of these agents is an urgent unmet requirement. This review article highlights the correlation between the dysregulation of the homeostasis of these essential trace elements and the development of HCC and summarizes the current trends on the roles of these essential trace elements in the pathogenesis of hepatocarcinogenesis.
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Affiliation(s)
- Takashi Himoto
- Department of Medical Technology, Kagawa Prefectural University of Health Sciences, 281-1, Hara, Mure-cho, Takamatsu 761-0123, Kagawa, Japan
| | - Tsutomu Masaki
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, 1750-1, Ikenobe, Miki-cho 761-0793, Kagawa, Japan
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Colonic Coffee Phenols Metabolites, Dihydrocaffeic, Dihydroferulic, and Hydroxyhippuric Acids Protect Hepatic Cells from TNF-α-Induced Inflammation and Oxidative Stress. Int J Mol Sci 2023; 24:ijms24021440. [PMID: 36674952 PMCID: PMC9863622 DOI: 10.3390/ijms24021440] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/30/2022] [Accepted: 01/02/2023] [Indexed: 01/13/2023] Open
Abstract
Coffee presents beneficial health properties, including antiobesity effects. However, its effects on inflammation are controversial. Hydroxycinnamic acids are the main coffee phenolic bioactive compounds. In human bioavailability studies carried out with coffee, among the most abundant compounds found in urine and plasma were the colonic metabolites, dihydrocaffeic (DHCA), dihydroferulic (DHFA), and hydroxyhippuric (HHA) acids. To understand the hepato-protective potential of these three compounds, we tested whether treatment with realistic concentrations (0.5-10 µM) were effective to counteract inflammatory process and oxidative status induced by tumor necrosis factor α (TNF-α). First, we established a novel model of inflammation/oxidation using TNF-α and HepG2 cells. Afterwards, we evaluated the activity of DHCA, DHFA, and HHA against the inflammatory/oxidative challenge through the determination of the inflammatory mediators, interleukins (IL)-6, and IL-8 and chemokines, monocyte chemoattractant protein-1, and macrophage inflammatory protein-1, as well as the levels of biomarkers of oxidative stress, such as reactive oxygen species, reduced glutathione, and the antioxidant enzymes glutathione peroxidase and reductase. Results showed that all three compounds have a potential hepato-protective effect against the induced inflammatory/oxidative insult.
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3
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Protective effect and mechanism of SeMet-Pro-Ser on K2Cr2O7-induced toxicity in L-02 hepatocytes. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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4
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Protective Effect of Mitophagy Regulated by mTOR Signaling Pathway in Liver Fibrosis Associated with Selenium. Nutrients 2022; 14:nu14122410. [PMID: 35745140 PMCID: PMC9227084 DOI: 10.3390/nu14122410] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 01/27/2023] Open
Abstract
Background: As a central organ of energy metabolism, the liver is closely related to selenium for its normal function and disease development. However, the underlying roles of mitochondrial energy metabolism and mitophagy in liver fibrosis associated with selenium remain unclear. Methods: 28 rats were randomly divided into normal, low-selenium, nano-selenium supplement-1, and supplement-2 groups for a 12-week intervention. We observed pathological and ultrastructural changes in the liver and analyzed the effects of selenium deficiency and nano-selenium supplementation on liver metabolic activities and crucial proteins expression of mammalian target of the rapamycin (mTOR) signaling pathway. Results: Selenium deficiency caused liver pathological damage and fibrosis with the occurrence of mitophagy by disrupting normal metabolic activities; meanwhile, the mTOR signaling pathway was up-regulated to enhance mitophagy to clear damaged mitochondria. Furthermore, nano-selenium supplements could reduce the severity of pathological damage and fibrosis in livers and maintain normal energy metabolic activity. With the increased concentrations of nano-selenium supplement, swelling mitochondria and mitophagy gradually decreased, accompanied by the higher expression of mTOR and phosphorylation-modified mTOR proteins and lower expression of unc-51 like autophagy activating kinase 1 (ULK1) and phosphorylation-modified ULK1 proteins. Conclusions: Mitophagy regulated by the mTOR signaling pathway plays a dual protective role on low-selenium inducing liver fibrosis and nano-selenium supplements preventing liver fibrosis. Mitochondrial energy metabolism plays an important role in these processes as well.
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Selenomethionine-Dominated Selenium-Enriched Peanut Protein Ameliorates Alcohol-Induced Liver Disease in Mice by Suppressing Oxidative Stress. Foods 2021; 10:foods10122979. [PMID: 34945529 PMCID: PMC8700997 DOI: 10.3390/foods10122979] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/18/2021] [Accepted: 12/01/2021] [Indexed: 01/11/2023] Open
Abstract
Numerous natural compounds are considered as potential therapeutic agents against alcohol-induced liver disease (ALD). Research shows that selenium (Se) has a variety of bioactivities, including liver protecting ability. The present study based on in vitro cell culture models and in vivo mouse models was aimed at examining the contribution of selenomethionine (SeMet)-dominated Se-enriched peanut protein (SePP) to liver protection. SeMet and especially SePP reversed cell viability and cell death, inhibited ethanol induced CYP2E1 activation, decreased reactive oxygen species level, and restored GSH level. Hence, SeMet-dominated SePP alleviates alcohol-induced AML-12 cytotoxicity by suppressing oxidative stress. The p38-dependent mechanism was found to be responsible for SePP-induced Nrf-2 activation. Furthermore, supplementation with SePP and SeMet regulated lipid metabolism and reduced oxidative stress, minimizing liver damage in mice. Selenomethionine-dominated SePP possesses potential therapeutic properties and can be used to treat ALD through the suppression of oxidative stress.
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Ahmadi K, Roshan-Milani S, Asgharzadeh F, Pourjabali M, Fard AA. In Vitro and In Vivo Pretreatment with Selenium Mitigates Tetrahydrocannabinol-Induced Testicular Cell Apoptosis: the Role of AKT and p53 Pathways. Biol Trace Elem Res 2021; 199:2278-2287. [PMID: 32815089 DOI: 10.1007/s12011-020-02322-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 08/03/2020] [Indexed: 01/27/2023]
Abstract
Exocannabinoids such as tetrahydrocannabinol (THC) may alter the physiological function of endocannabinoids in male reproduction and thus affect male fertility. This study aimed to investigate the apoptotic effects of THC via mechanisms related to p53 and AKT signaling pathways on Sertoli cells and seminiferous germinal cells, as well as the possible protective role of selenium pretreatment in both in vitro and in vivo models. The Mus musculus Sertoli cell line, TM4, was used for in vitro experiments. The TM4 cells were cultured and exposed to selenium (2 μM, 48 h) and THC (470 μM, 24 h). The MTT test was performed to evaluate cell viability. Fifteen male Wistar rats (220 ± 20 g) were used for in vivo experiments and divided into three groups: (1) control, (2) tetrahydrocannabinol (THC, 5 mg/kg, dissolved in DMSO 5%, i.p., for 21 consecutive days), and (3) THC + selenium (selenium, 0.5 mg/kg per day, i.p.). At the end of the experiments, Sertoli cells and testis tissue samples were collected for biochemical (AKT, P53), cell apoptosis, and histological analyses. The results of the in vitro study revealed that THC significantly decreases the cell viability (p < 0.001) and expression of the p-AKt protein (p < 0.05) and increases Sertoli cells' apoptosis (p < 0.001) and p53 protein expression (p < 0.001). The in vivo effects of THC were in line with the in vitro results. Pretreatment with selenium (as sodium selenite) significantly decreased the THC-induced Sertoli cell and testicular tissue damages in the rats. Pathological changes were significantly alleviated in the selenium-pretreated rats. Collectively, these data suggest that pretreatment with selenium is able to protect against THC-induced testicular cell damage. The attenuating effect of selenium may be due to its anti-apoptotic activity through the p53 and AKT modulation.
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Affiliation(s)
- Kimia Ahmadi
- Faculty of Medicine, Department of Physiology, Urmia University of Medical Sciences, Urmia, Iran
| | - Shiva Roshan-Milani
- Neurophysiology Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Fatemeh Asgharzadeh
- Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Masoumeh Pourjabali
- Faculty of Medicine, Department of Pathology, Urmia University of Medical Sciences, Urmia, Iran
| | - Amin Abdollahzade Fard
- Nephrology and Kidney Transplant Research Center & Department of Physiology, Urmia University of Medical Sciences, Urmia, Iran.
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A novel therapeutic strategy for hepatocellular carcinoma: Immunomodulatory mechanisms of selenium and/or selenoproteins on a shift towards anti-cancer. Int Immunopharmacol 2021; 96:107790. [PMID: 34162153 DOI: 10.1016/j.intimp.2021.107790] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/05/2021] [Accepted: 05/13/2021] [Indexed: 12/24/2022]
Abstract
Selenium (Se) is an essential trace chemical element that is widely distributed worldwide. Se exerts its immunomodulatory and nutritional activities in the human body in the form of selenoproteins. Se has increasingly appeared as a potential trace element associated with many human diseases, including hepatocellular carcinoma (HCC). Recently, increasing evidence has suggested that Se and selenoproteins exert their immunomodulatory effects on HCC by regulating the molecules of oxidative stress, inflammation, immune response, cell proliferation and growth, angiogenesis, signaling pathways, apoptosis, and other processes in vitro cell studies and in vivo animal studies. Se concentrations are generally low in tissues of patients with HCC, such as blood, serum, scalp hair, and toenail. However, Se concentrations were higher in HCC patient tissues after Se supplementation than before supplementation. This review summarizes the significant relationship between Se and HCC, and details the role of Se as a novel immunomodulatory or immunotherapeutic approach against HCC.
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Selenium enriched Hypsizygus marmoreus, a potential food supplement with improved Se bioavailability. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110819] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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The Cell Culture Medium Affects Growth, Phenotype Expression and the Response to Selenium Cytotoxicity in A549 and HepG2 Cells. Antioxidants (Basel) 2019; 8:antiox8050130. [PMID: 31091728 PMCID: PMC6563005 DOI: 10.3390/antiox8050130] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 12/30/2022] Open
Abstract
Selenium compounds influence cell growth and are highly interesting candidate compounds for cancer chemotherapy. Over decades an extensive number of publications have reported highly efficient growth inhibitory effects with a number of suggested mechanisms f especially for redox-active selenium compounds. However, the studies are difficult to compare due to a high degree of variations in half-maximal inhibitor concentration (IC50) dependent on cultivation conditions and methods to assess cell viability. Among other factors, the variability in culture conditions may affect the experimental outcome. To address this, we have compared the maintenance effects of four commonly used cell culture media on two cell lines, A549 and HepG2, evaluated by the toxic response to selenite and seleno-methylselenocysteine, cell growth and redox homeostasis. We found that the composition of the cell culture media greatly affected cell growth and sensitivity to selenium cytotoxicity. We also provided evidence for change of phenotype in A549 cells when maintained under different culture conditions, demonstrated by changes in cytokeratin 18 (CK18) and vimentin expression. In conclusion, our results have shown the importance of defining the cell culture medium used when comparing results from different studies.
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Rohn I, Raschke S, Aschner M, Tuck S, Kuehnelt D, Kipp A, Schwerdtle T, Bornhorst J. Treatment of Caenorhabditis elegans with Small Selenium Species Enhances Antioxidant Defense Systems. Mol Nutr Food Res 2019; 63:e1801304. [PMID: 30815971 PMCID: PMC6499701 DOI: 10.1002/mnfr.201801304] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/28/2019] [Indexed: 01/10/2023]
Abstract
SCOPE Small selenium (Se) species play a key role in Se metabolism and act as dietary sources of the essential trace element. However, they are redox-active and trigger pro- and antioxidant responses. As health outcomes are strongly species-dependent, species-specific characteristics of Se compounds are tested in vivo. METHODS AND RESULTS In the model organism Caenorhabditis elegans (C. elegans), immediate and sustained effects of selenite, selenomethionine (SeMet), and Se-methylselenocysteine (MeSeCys) are studied regarding their bioavailability, incorporation into proteins, as well as modulation of the cellular redox status. While all tested Se compounds are bioavailable, only SeMet persistently accumulates and is non-specifically incorporated into proteins. However, the protection toward chemically-induced formation of reactive species is independent of the applied Se compound. Increased thioredoxin reductase (TXNRD) activity and changes in mRNA expression levels of antioxidant proteins indicate the activation of cellular defense mechanisms. However, in txnrd-1 deletion mutants, no protective effects of the Se species are observed anymore, which is also reflected by differential gene expression data. CONCLUSION Se species protect against chemically-induced reactive species formation. The identified immediate and sustained systemic effects of Se species give rise to speculations on possible benefits facing subsequent periods of inadequate Se intake.
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Affiliation(s)
- Isabelle Rohn
- Institute of Nutritional Science, University of Potsdam, 14558, Nuthetal, Germany
| | - Stefanie Raschke
- Institute of Nutritional Science, University of Potsdam, 14558, Nuthetal, Germany
| | | | - Simon Tuck
- Umeå Centre for Molecular Medicine, Umeå University, 90187, Umeå, Sweden
| | - Doris Kuehnelt
- Institute of Chemistry, Analytical Chemistry, NAWI Graz, University of Graz, 8010, Graz, Austria
| | - Anna Kipp
- Institute of Nutrition, Friedrich Schiller University Jena, 07743, Jena, Germany
- TraceAge - DFG Research Unit FOR 2558, Berlin-Potsdam-Jena, Germany
| | - Tanja Schwerdtle
- Institute of Nutritional Science, University of Potsdam, 14558, Nuthetal, Germany
- TraceAge - DFG Research Unit FOR 2558, Berlin-Potsdam-Jena, Germany
| | - Julia Bornhorst
- Institute of Nutritional Science, University of Potsdam, 14558, Nuthetal, Germany
- TraceAge - DFG Research Unit FOR 2558, Berlin-Potsdam-Jena, Germany
- Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119, Wuppertal, Germany
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11
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Samavarchi Tehrani S, Mahmoodzadeh Hosseini H, Yousefi T, Abolghasemi M, Qujeq D, Maniati M, Amani J. The crosstalk between trace elements with DNA damage response, repair, and oxidative stress in cancer. J Cell Biochem 2019; 120:1080-1105. [PMID: 30378148 DOI: 10.1002/jcb.27617] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 08/14/2018] [Indexed: 01/24/2023]
Abstract
DNA damage response (DDR) is a regulatory system responsible for maintaining genome integrity and stability, which can sense and transduce DNA damage signals. The severity of damage appears to determine DDRs, which can include damage repair, cell-cycle arrest, and apoptosis. Furthermore, defective components in DNA damage and repair machinery are an underlying cause for the development and progression of various types of cancers. Increasing evidence indicates that there is an association between trace elements and DDR/repair mechanisms. In fact, trace elements seem to affect mediators of DDR. Besides, it has been revealed that oxidative stress (OS) and trace elements are associated with cancer development. In this review, we discuss the role of some critical trace elements in the risk of cancer. In addition, we provide a brief introduction on DDR and OS in cancer. Finally, we will further review the interactions between some important trace elements including selenium, zinc, chromium, cadmium, and arsenic, and DDR, and OS in cancer.
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Affiliation(s)
- Sadra Samavarchi Tehrani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamideh Mahmoodzadeh Hosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Tooba Yousefi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Abolghasemi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Durdi Qujeq
- Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Mahmood Maniati
- English Department, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Jafar Amani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Yoshida S, Iwataka M, Fuchigami T, Haratake M, Nakayama M. In vitro assessment of bioavailability of selenium from a processed Japanese anchovy, Niboshi. Food Chem 2018; 269:436-441. [PMID: 30100457 DOI: 10.1016/j.foodchem.2018.07.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 06/24/2018] [Accepted: 07/03/2018] [Indexed: 11/29/2022]
Abstract
Niboshi is a commonly used foodstuff that is processed from Japanese anchovy (Engraulis japonicus) in Japanese cuisine. It was previously demonstrated that Niboshi and its water extract contained highly bioavailable selenium for selenium deficient mice. In this study, we assessed the selenium bioavailability from the extract of the Niboshi, using cultured cells. The activity of selenium-dependent glutathione peroxidase (GPx) of rat dorsal ganglion cells and human cervical carcinoma cells incubated with selenium from the Niboshi extract was over 2 times of that of the extract-free control cells and comparable to that of cells incubated with selenious acid of the same selenium concentration. These results suggest that selenium from the Niboshi extract was utilized for synthesis of the selenoprotein. Such in vitro selenium bioavailability was consistent with our previous results of in vivo assessment in mice.
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Affiliation(s)
- Sakura Yoshida
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
| | - Miho Iwataka
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Takeshi Fuchigami
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Mamoru Haratake
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1, Ikeda, Kumamoto 860-0082, Japan
| | - Morio Nakayama
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
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Liu C, Xu L, Tian H, Yao H, Elding LI, Shi T. Kinetics and mechanism for reduction of Pt(IV) anticancer model compounds by Se-methyl L-selenocysteine. Comparison with L-selenomethionine. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.09.056] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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14
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Noh S, Sung J, Lee H, Jeong HS, Kim IH, Lee J. Protective Effects of Methanol Extract of Perilla Seed Meal against Oxidative Stress in HepG2 Cells. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2018. [DOI: 10.3136/fstr.24.583] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Seungwoo Noh
- Division of Food and Animal Sciences, Chungbuk National University
| | - Jeehye Sung
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida
| | - Hana Lee
- Division of Food and Animal Sciences, Chungbuk National University
| | - Heon Sang Jeong
- Division of Food and Animal Sciences, Chungbuk National University
| | - In-Hwan Kim
- Department of Public Health Sciences, Graduate School, Korea University
| | - Junsoo Lee
- Division of Food and Animal Sciences, Chungbuk National University
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15
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Marschall TA, Kroepfl N, Jensen KB, Bornhorst J, Meermann B, Kuehnelt D, Schwerdtle T. Tracing cytotoxic effects of small organic Se species in human liver cells back to total cellular Se and Se metabolites. Metallomics 2017; 9:268-277. [PMID: 28184394 DOI: 10.1039/c6mt00300a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Small selenium (Se) species play a major role in the metabolism, excretion and dietary supply of the essential trace element selenium. Human cells provide a valuable tool for investigating currently unresolved issues on the cellular mechanisms of Se toxicity and metabolism. In this study, we developed two isotope dilution inductively coupled plasma tandem-mass spectrometry based methods and applied them to human hepatoma cells (HepG2) in order to quantitatively elucidate total cellular Se concentrations and cellular Se species transformations in relation to the cytotoxic effects of four small organic Se species. Species- and incubation time-dependent results were obtained: the two major urinary excretion metabolites trimethylselenonium (TMSe) and methyl-2-acetamido-2-deoxy-1-seleno-β-d-galactopyranoside (SeSugar 1) were taken up by the HepG2 cells in an unmodified manner and did not considerably contribute to the Se pool. In contrast, Se-methylselenocysteine (MeSeCys) and selenomethionine (SeMet) were taken up in higher amounts, they were largely incorporated by the cells (most likely into proteins) and metabolized to other small Se species. Two new metabolites of MeSeCys, namely γ-glutamyl-Se-methylselenocysteine and Se-methylselenoglutathione, were identified by means of HPLC-electrospray-ionization-Orbitrap-MS. They are certainly involved in the (de-)toxification modes of Se metabolism and require further investigation.
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Affiliation(s)
- T A Marschall
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany.
| | - N Kroepfl
- Institute of Chemistry, Analytical Chemistry, NAWI Graz, University of Graz, Universitaetsplatz 1, 8010 Graz, Austria
| | - K B Jensen
- Institute of Chemistry, Analytical Chemistry, NAWI Graz, University of Graz, Universitaetsplatz 1, 8010 Graz, Austria
| | - J Bornhorst
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany.
| | - B Meermann
- Federal Institute of Hydrology, Department G2 - Aquatic Chemistry, Am Mainzer Tor 1, 56068 Koblenz, Germany
| | - D Kuehnelt
- Institute of Chemistry, Analytical Chemistry, NAWI Graz, University of Graz, Universitaetsplatz 1, 8010 Graz, Austria
| | - T Schwerdtle
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany.
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Meinerz DF, Branco V, Aschner M, Carvalho C, Rocha JBT. Diphenyl diselenide protects against methylmercury-induced inhibition of thioredoxin reductase and glutathione peroxidase in human neuroblastoma cells: a comparison with ebselen. J Appl Toxicol 2017; 37:1073-1081. [DOI: 10.1002/jat.3458] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 01/30/2017] [Accepted: 01/31/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Daiane F. Meinerz
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas; Universidade Federal de Santa Maria; 97105-900 Santa Maria RS Brazil
| | - Vasco Branco
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy, Universidade de Lisboa; Av. Prof. Gama Pinto 1649-003 Lisbon Portugal
| | - Michael Aschner
- Department of Molecular Pharmacology; Albert Einstein College of Medicine; Forchheimer 209, 1300 Morris Park Avenue Bronx NY 10461 USA
| | - Cristina Carvalho
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy, Universidade de Lisboa; Av. Prof. Gama Pinto 1649-003 Lisbon Portugal
| | - João Batista T. Rocha
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas; Universidade Federal de Santa Maria; 97105-900 Santa Maria RS Brazil
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17
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Jin SW, Hwang YP, Choi CY, Kim HG, Kim SJ, Kim Y, Chung YC, Lee KJ, Jeong TC, Jeong HG. Protective effect of rutaecarpine against t-BHP-induced hepatotoxicity by upregulating antioxidant enzymes via the CaMKII-Akt and Nrf2/ARE pathways. Food Chem Toxicol 2016; 100:138-148. [PMID: 28025122 DOI: 10.1016/j.fct.2016.12.031] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 11/23/2016] [Accepted: 12/22/2016] [Indexed: 02/06/2023]
Abstract
Rutaecarpine, an indolopyridoquinazolinone alkaloid isolated from the unripe fruit of Evodia rutaecarpa, has been shown to have cytoprotective potential, but the molecular mechanism underlying this activity remains unclear. Our study was designed to investigate the cytoprotective effect of rutaecarpine against tert-butyl hydroperoxide (t-BHP) and to elucidate its action mechanism of action of rutaecarpine in a cultured HepG2 cell line and in mouse liver. Rutaecarpine decreased t-BHP-induced reactive oxygen species (ROS) production, cytotoxicity, and apoptosis in HepG2 cells. Pretreatment with rutaecarpine prior to the injection of t-BHP significantly prevented the increase in serum levels of AST, ALT, and lipid peroxidation in mice liver. It increased the transcriptional activity of NF-E2-related factor 2 (Nrf2) as well as the products of the Nrf2 target genes hemeoxygenase-1 (HO-1), NAD(P)H:quinone oxidoreductase 1 (NQO1), and glutamate cysteine ligase (GCL). Moreover, rutaecarpine also enhanced the phosphorylation of Akt and Ca2+/calmodulin-dependent protein kinase-II (CaMKII). The pharmaceutical inhibitors, such as KN-93 (CaMKII inhibitor) and LY294002 (Akt inhibitor) suppressed rutaecarpine-induced HO-1 expression and cytoprotection. Our findings identify the CaMKII-PI3K/Akt-Nrf2 cascade as an antioxidant pathway mediating rutaecarpine signaling and leading to HO-1 expression in hepatocytes.
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Affiliation(s)
- Sun Woo Jin
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Yong Pil Hwang
- Department of Pharmaceutical Engineering, International University of Korea, Jinju, Republic of Korea
| | - Chul Yung Choi
- Jeollanamdo Institute of Natural Resources Research, Jeollanamdo, Republic of Korea
| | - Hyung Gyun Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Se Jong Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Yongan Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Young Chul Chung
- Department of Food Science, International University of Korea, Jinju, Republic of Korea
| | - Kyung Jin Lee
- Department of Convergence Medicine, ASAN Medical Center, University of Ulsan College of Medicine, Republic of Korea
| | - Tae Cheon Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan, Republic of Korea
| | - Hye Gwang Jeong
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea.
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18
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Corrales J, Kristofco LA, Steele WB, Saari GN, Kostal J, Williams ES, Mills M, Gallagher EP, Kavanagh TJ, Simcox N, Shen LQ, Melnikov F, Zimmerman JB, Voutchkova-Kostal AM, Anastas PT, Brooks BW. Toward the Design of Less Hazardous Chemicals: Exploring Comparative Oxidative Stress in Two Common Animal Models. Chem Res Toxicol 2016; 30:893-904. [PMID: 27750016 DOI: 10.1021/acs.chemrestox.6b00246] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Sustainable molecular design of less hazardous chemicals presents a potentially transformative approach to protect public health and the environment. Relationships between molecular descriptors and toxicity thresholds previously identified the octanol-water distribution coefficient, log D, and the HOMO-LUMO energy gap, ΔE, as two useful properties in the identification of reduced aquatic toxicity. To determine whether these two property-based guidelines are applicable to sublethal oxidative stress (OS) responses, two common aquatic in vivo models, the fathead minnow (Pimephales promelas) and zebrafish (Danio rerio), were employed to examine traditional biochemical biomarkers (lipid peroxidation, DNA damage, and total glutathione) and antioxidant gene activation following exposure to eight structurally diverse industrial chemicals (bisphenol A, cumene hydroperoxide, dinoseb, hydroquinone, indene, perfluorooctanoic acid, R-(-)-carvone, and tert-butyl hydroperoxide). Bisphenol A, cumene hydroperoxide, dinoseb, and hydroquinone were consistent inducers of OS. Glutathione was the most consistently affected biomarker, suggesting its utility as a sensitivity response to support the design of less hazardous chemicals. Antioxidant gene expression (changes in nrf2, gclc, gst, and sod) was most significantly (p < 0.05) altered by R-(-)-carvone, cumene hydroperoxide, and bisphenol A. Results from the present study indicate that metabolism of parent chemicals and the role of their metabolites in molecular initiating events should be considered during the design of less hazardous chemicals. Current empirical and computational findings identify the need for future derivation of sustainable molecular design guidelines for electrophilic reactive chemicals (e.g., SN2 nucleophilic substitution and Michael addition reactivity) to reduce OS related adverse outcomes in vivo.
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Affiliation(s)
- Jone Corrales
- Department of Environmental Science, Baylor University , Waco, Texas 76798, United States
| | - Lauren A Kristofco
- Department of Environmental Science, Baylor University , Waco, Texas 76798, United States
| | - W Baylor Steele
- Department of Environmental Science, Baylor University , Waco, Texas 76798, United States
| | - Gavin N Saari
- Department of Environmental Science, Baylor University , Waco, Texas 76798, United States
| | - Jakub Kostal
- Department of Chemistry, George Washington University , Washington, D.C. 20052, United States
| | - E Spencer Williams
- Department of Environmental Science, Baylor University , Waco, Texas 76798, United States
| | - Margaret Mills
- Department of Environmental and Occupational Health Sciences, University of Washington , Seattle, Washington 98195, United States
| | - Evan P Gallagher
- Department of Environmental and Occupational Health Sciences, University of Washington , Seattle, Washington 98195, United States
| | - Terrance J Kavanagh
- Department of Environmental and Occupational Health Sciences, University of Washington , Seattle, Washington 98195, United States
| | - Nancy Simcox
- Department of Environmental and Occupational Health Sciences, University of Washington , Seattle, Washington 98195, United States
| | - Longzhu Q Shen
- Center for Green Chemistry and Green Engineering, Yale University , New Haven, Connecticut 06520, United States
| | - Fjodor Melnikov
- Center for Green Chemistry and Green Engineering, Yale University , New Haven, Connecticut 06520, United States
| | - Julie B Zimmerman
- Center for Green Chemistry and Green Engineering, Yale University , New Haven, Connecticut 06520, United States.,Department of Chemical and Environmental Engineering, Yale University , New Haven, Connecticut 06520, United States
| | | | - Paul T Anastas
- Center for Green Chemistry and Green Engineering, Yale University , New Haven, Connecticut 06520, United States
| | - Bryan W Brooks
- Department of Environmental Science, Baylor University , Waco, Texas 76798, United States
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19
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Marschall TA, Bornhorst J, Kuehnelt D, Schwerdtle T. Differing cytotoxicity and bioavailability of selenite, methylselenocysteine, selenomethionine, selenosugar 1 and trimethylselenonium ion and their underlying metabolic transformations in human cells. Mol Nutr Food Res 2016; 60:2622-2632. [DOI: 10.1002/mnfr.201600422] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 07/15/2016] [Accepted: 07/18/2016] [Indexed: 01/30/2023]
Affiliation(s)
| | - Julia Bornhorst
- Institute of Nutritional Science; University of Potsdam; Nuthetal Germany
| | - Doris Kuehnelt
- Institute of Chemistry-Analytical Chemistry; University of Graz; Graz Austria
| | - Tanja Schwerdtle
- Institute of Nutritional Science; University of Potsdam; Nuthetal Germany
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20
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Saeng-Kankunbi-Tang (生肝健脾汤) protects liver against oxidative damage through activation of ERK/Nrf2 pathway. Chin J Integr Med 2016; 22:619-28. [DOI: 10.1007/s11655-016-2466-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Indexed: 12/30/2022]
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21
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Moon SY, Lee JH, Choi HY, Cho IJ, Kim SC, Kim YW. Tryptanthrin protects hepatocytes against oxidative stress via activation of the extracellular signal-regulated kinase/NF-E2-related factor 2 pathway. Biol Pharm Bull 2015; 37:1633-40. [PMID: 25273386 DOI: 10.1248/bpb.b14-00363] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Tryptanthrin [6,12-dihydro-6,12-dioxoindolo-(2,1-b)-quinazoline], originally isolated from Isatidis radix, has been characterized as having anti-microbial and anti-tumor activities. It is well-known that excess oxidative stress is one of the major factors causing cell damage in the liver. This study investigated the cytoprotective effects and molecular mechanism of tryptanthrin against tert-butyl hydroperoxide (tBHP)-induced oxidative stress in human hepatocyte-derived HepG2 cells. Tryptanthrin pre-treatment blocked the reactive oxygen species production, mitochondrial dysfunction, and cell death induced by tBHP. Moreover, tryptanthrin reversed tBHP-induced GSH reduction. This study also confirmed the activation of nuclear factor erythroid 2-related factor 2 (Nrf2) by tryptanthrin as a plausible molecular mechanism for its cytoprotective effects. Specifically, tryptanthrin treatment induced nuclear translocation and transactivation of Nrf2 as well as phosphorylation of extracellular signal-regulated kinase (ERK), a potential upstream kinase of Nrf2. Tryptanthrin also up-regulated the expression of the heme oxygenase 1 and glutamate-cysteine ligase catalytic subunits, which are representative target genes of Nrf2. Moreover, inhibitor of ERK was used to verify the important role of the ERK-Nrf2 pathway in the hepatoprotective effects of tryptanthrin. In conclusion, this study demonstrated that tryptanthrin protects hepatocytes against oxidative stress through the activation of the ERK/Nrf2 pathway in HepG2 cells.
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Affiliation(s)
- Soo Young Moon
- Medical Research Center for Globalization of Herbal Formulation, College of Oriental Medicine, Daegu Haany University
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22
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Ma Y, Liu S, Huang H. Alleviation effect of heat-treated and in vitro gastrointestinal digested soymilks on AAPH-induced oxidative stress in human erythrocytes. Food Res Int 2014. [DOI: 10.1016/j.foodres.2014.09.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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23
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Se-Methylselenocysteine Inhibits Apoptosis Induced by Clusterin Knockdown in Neuroblastoma N2a and SH-SY5Y Cell Lines. Int J Mol Sci 2014; 15:21331-47. [PMID: 25411798 PMCID: PMC4264228 DOI: 10.3390/ijms151121331] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 11/07/2014] [Accepted: 11/07/2014] [Indexed: 11/19/2022] Open
Abstract
Apoptosis, as a programmed cell death process, is essential for the maintenance of tissue function in organisms. Alteration of this process is linked to many diseases. Over-expression of clusterin (Clu) can antagonize apoptosis in various cells. Selenium (Se) is an essential trace element for human health. Its biological function is also associated with cell apoptosis. To explore the function of Clu and the impact of Se in the process of apoptosis, several short-hairpin RNAs (shRNA) were designed for the construction of two sets of recombinant plasmids: one set for plasmid-transfection of mouse neuroblastoma N2a cells (N2a cells); and the other set for lentiviral infection of human neuroblastoma SH-SY5Y cells (SH-SY5Y cells). These shRNAs specifically and efficiently interfered with the intracellular expression of Clu at both the mRNA and protein levels. The Clu-knockdown cells showed apoptosis-related features, including down-regulation of antioxidative capacity and the Bcl-2/Bax ratio and up-regulation of caspase-8 activity. Se-methylselenocysteine (MSC) at an optimum concentration of 1 μM could reverse the alteration in antioxidative capacity, Bcl2/Bax ratio and caspase-8 activity caused by Clu-knockdown, thus inhibiting apoptosis and maintaining cell viability. The results hereby imply the potentiality of Clu and Se in neuroprotection.
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24
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Fernández-Tomé S, Ramos S, Cordero-Herrera I, Recio I, Goya L, Hernández-Ledesma B. In vitro chemo-protective effect of bioactive peptide lunasin against oxidative stress in human HepG2 cells. Food Res Int 2014. [DOI: 10.1016/j.foodres.2014.04.054] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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25
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Cordero-Herrera I, Cuello S, Goya L, Madrid Y, Bravo L, Cámara C, Ramos S. Molecular mechanisms involved in the protective effect of selenocystine against methylmercury-induced cell death in human HepG2 cells. Food Chem Toxicol 2013; 59:554-63. [DOI: 10.1016/j.fct.2013.06.057] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 06/26/2013] [Accepted: 06/28/2013] [Indexed: 12/22/2022]
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26
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Font M, Lizarraga E, Ibáñez E, Plano D, Sanmartín C, Palop JA. Structural variations on antitumour agents derived from bisacylimidoselenocarbamate. A proposal for structure–activity relationships based on the analysis of conformational behaviour. Eur J Med Chem 2013; 66:489-98. [DOI: 10.1016/j.ejmech.2013.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 05/31/2013] [Accepted: 06/01/2013] [Indexed: 01/18/2023]
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27
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Arigony ALV, de Oliveira IM, Machado M, Bordin DL, Bergter L, Prá D, Pêgas Henriques JA. The influence of micronutrients in cell culture: a reflection on viability and genomic stability. BIOMED RESEARCH INTERNATIONAL 2013; 2013:597282. [PMID: 23781504 PMCID: PMC3678455 DOI: 10.1155/2013/597282] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Revised: 04/23/2013] [Accepted: 05/03/2013] [Indexed: 12/31/2022]
Abstract
Micronutrients, including minerals and vitamins, are indispensable to DNA metabolic pathways and thus are as important for life as macronutrients. Without the proper nutrients, genomic instability compromises homeostasis, leading to chronic diseases and certain types of cancer. Cell-culture media try to mimic the in vivo environment, providing in vitro models used to infer cells' responses to different stimuli. This review summarizes and discusses studies of cell-culture supplementation with micronutrients that can increase cell viability and genomic stability, with a particular focus on previous in vitro experiments. In these studies, the cell-culture media include certain vitamins and minerals at concentrations not equal to the physiological levels. In many common culture media, the sole source of micronutrients is fetal bovine serum (FBS), which contributes to only 5-10% of the media composition. Minimal attention has been dedicated to FBS composition, micronutrients in cell cultures as a whole, or the influence of micronutrients on the viability and genetics of cultured cells. Further studies better evaluating micronutrients' roles at a molecular level and influence on the genomic stability of cells are still needed.
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Affiliation(s)
- Ana Lúcia Vargas Arigony
- Laboratório de Reparação de DNA em Eucariotos, Departamento de Biofísica/Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43422, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
| | - Iuri Marques de Oliveira
- Laboratório de Reparação de DNA em Eucariotos, Departamento de Biofísica/Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43422, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
| | - Miriana Machado
- Laboratório de Reparação de DNA em Eucariotos, Departamento de Biofísica/Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43422, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
- Instituto de Educação para Pesquisa, Desenvolvimento e Inovação Tecnológica—ROYAL, Unidade GENOTOX—ROYAL, Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43421, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
| | - Diana Lilian Bordin
- Laboratório de Reparação de DNA em Eucariotos, Departamento de Biofísica/Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43422, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
| | - Lothar Bergter
- Instituto de Educação para Pesquisa, Desenvolvimento e Inovação Tecnológica—ROYAL, Unidade GENOTOX—ROYAL, Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43421, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
| | - Daniel Prá
- Laboratório de Reparação de DNA em Eucariotos, Departamento de Biofísica/Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43422, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
- PPG em Promoção da Saúde, Universidade de Santa Cruz do Sul (UNISC), Avenida Independência 2293, 96815-900 Santa Cruz do Sul, RS, Brazil
| | - João Antonio Pêgas Henriques
- Laboratório de Reparação de DNA em Eucariotos, Departamento de Biofísica/Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43422, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
- Instituto de Educação para Pesquisa, Desenvolvimento e Inovação Tecnológica—ROYAL, Unidade GENOTOX—ROYAL, Centro de Biotecnologia, UFRGS, Avenida Bento Gonçalves 9500, Prédio 43421, Setor IV, Campus do Vale, 91501-970 Porto Alegre, RS, Brazil
- Instituto de Biotecnologia, Departamento de Ciências Biomédicas, Universidade de Caxias do Sul (UCS), Rua Francisco Getúlio Vargas 1130, 95070-560 Caxias do Sul, RS, Brazil
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28
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Thornthwaite JT, Shah HR, Shah P, Peeples WC, Respess H. The formulation for cancer prevention & therapy. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/abc.2013.33040] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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29
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Shivananjappa M, Joshi M. Aqueous Extract ofTulsi(Ocimum sanctum) Enhances Endogenous Antioxidant Defenses of Human Hepatoma Cell Line (HepG2). ACTA ACUST UNITED AC 2012. [DOI: 10.1080/10496475.2012.712939] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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30
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Shivananjappa MM, Mhasavade D, Joshi MK. Aqueous extract ofTerminalia arjunaattenuates tert-butyl hydroperoxide-induced oxidative stress in HepG2 cell model. Cell Biochem Funct 2012; 31:129-35. [DOI: 10.1002/cbf.2867] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2011] [Revised: 12/19/2011] [Accepted: 07/17/2012] [Indexed: 11/08/2022]
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31
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Se improves indole glucosinolate hydrolysis products content, Se-methylselenocysteine content, antioxidant capacity and potential anti-inflammatory properties of sauerkraut. Food Chem 2012. [DOI: 10.1016/j.foodchem.2011.11.064] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Hydroxytyrosyl acetate contributes to the protective effects against oxidative stress of virgin olive oil. Food Chem 2012. [DOI: 10.1016/j.foodchem.2011.09.068] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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33
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Cuello S, Sanz-Landaluze J, Madrid Y, Guinea J, Cámara C. Bioaccumulation and transformation of methylmercury and selenite using zebrafish (Danio Rerio) larvae as a model. Talanta 2012; 89:169-77. [DOI: 10.1016/j.talanta.2011.12.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2011] [Revised: 11/30/2011] [Accepted: 12/04/2011] [Indexed: 10/14/2022]
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34
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Wang HC, Riahi M, Pothen J, Bayse CA, Riggs-Gelasco P, Brumaghim JL. Interactions of Cu(I) with selenium-containing amino acids determined by NMR, XAS, and DFT studies. Inorg Chem 2011; 50:10893-900. [PMID: 21999616 PMCID: PMC3286356 DOI: 10.1021/ic201440j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cu(I) coordination by organoselenium compounds was recently reported as a mechanism for their prevention of copper-mediated DNA damage. To establish whether direct Se-Cu coordination may be involved in selenium antioxidant activity, Cu(I) coordination of the selenoamino acids methyl-Se-cysteine (MeSeCys) and selenomethionine (SeMet) was investigated. NMR results in D(2)O indicate that Cu(I) binds to the Se atom of both MeSeCys and SeMet as well as the carboxylic acid oxygen atom(s) or amine nitrogen atoms. X-ray absorption spectroscopy (XAS) and density functional theory (DFT) results confirm Se-Cu coordination, with the identification of a 2.4 Å Se-Cu vector in both the Se- and Cu-EXAFS data. XAS studies also show Cu(I) in an unusual three-coordinate environment with the additional two ligands arising from O/N (2.0 Å). DFT models of 1:1 Cu-selenoamino acid complexes suggest that both selenoamino acids coordinate Cu(I) through the selenium and amino groups, with the third ligand assumed to be water. These compounds represent the first structurally characterized copper(I) complexes with sulfur- or selenium-containing amino acids.
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Affiliation(s)
- Hsiao C. Wang
- Department of Chemistry, Clemson University, Clemson, SC 29634-0973
| | - Mindy Riahi
- Department of Chemistry and Biochemistry, Old Dominion University, Hampton Boulevard, Norfolk, VA 23529
| | - Joshua Pothen
- Department of Chemistry and Biochemistry, Old Dominion University, Hampton Boulevard, Norfolk, VA 23529
| | - Craig A. Bayse
- Department of Chemistry and Biochemistry, Old Dominion University, Hampton Boulevard, Norfolk, VA 23529
| | - Pamela Riggs-Gelasco
- Department of Chemistry and Biochemistry, College of Charleston, Charleston, SC 29424
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35
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Hoefig CS, Renko K, Köhrle J, Birringer M, Schomburg L. Comparison of different selenocompounds with respect to nutritional value vs. toxicity using liver cells in culture. J Nutr Biochem 2011; 22:945-55. [DOI: 10.1016/j.jnutbio.2010.08.006] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2010] [Revised: 08/02/2010] [Accepted: 08/05/2010] [Indexed: 10/18/2022]
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36
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Zhang H, Chen T, Jiang J, Wong YS, Yang F, Zheng W. Selenium-containing allophycocyanin purified from selenium-enriched Spirulina platensis attenuates AAPH-induced oxidative stress in human erythrocytes through inhibition of ROS generation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:8683-90. [PMID: 21761878 DOI: 10.1021/jf2019769] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Both selenium and allophycocyanin (APC) have been reported to show novel antioxidant activities. In this study, a fast protein liquid chromatographic method for purification of selenium-containing allophycocyanin (Se-APC) from selenium-enriched Spirulina platensis and the protective effect of Se-APC on 2,2'-azobis(2-amidinopropane) dihydrochloride (AAPH)-induced oxidative stress have been described. After fractionation by ammonium sulfate precipitation, and separation by DEAE-Sepharose ion-exchange and Sephacryl S-300 size exclusion chromatography, Se-APC with purity ratio (A652/A280) of 5.30 and Se concentration of 343.02 μg g(-1) protein was obtained. Se-APC exhibited stronger antioxidant activity than APC by scavenging ABTS (2,2'-azinobis-3-ethylbenzothiazolin-6-sulfonic acid) and AAPH free radicals. The oxidative hemolysis and morphological changes induced by AAPH in human erythrocytes were effectively reversed by coincubation with Se-APC. Lipid oxidation induced by the pro-oxidant agent cupric chloride in human plasma, as evaluated by formation of conjugated diene, was blocked by Se-APC. The accumulation of malondialdehyde, loss of reduced glutathione, and increase in enzyme activities of glutathione peroxidase and reductase induced by AAPH in human erythrocytes were effectively suppressed by Se-APC. Furthermore, Se-APC significantly prevented AAPH-induced intracellular reactive oxygen species (ROS) generation. Taken together, our results suggest that Se-APC demonstrates application potential in treatment of diseases in which excess production of ROS acts as a casual or contributory factor.
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Affiliation(s)
- Haobin Zhang
- Department of Chemistry, Jinan University, Guangzhou, Guangdong Province, China
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37
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Lunøe K, Gabel-Jensen C, Stürup S, Andresen L, Skov S, Gammelgaard B. Investigation of the selenium metabolism in cancer cell lines. Metallomics 2011; 3:162-8. [DOI: 10.1039/c0mt00091d] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Martín MÁ, Serrano ABG, Ramos S, Pulido MI, Bravo L, Goya L. Cocoa flavonoids up-regulate antioxidant enzyme activity via the ERK1/2 pathway to protect against oxidative stress-induced apoptosis in HepG2 cells☆. J Nutr Biochem 2010; 21:196-205. [DOI: 10.1016/j.jnutbio.2008.10.009] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2008] [Revised: 10/17/2008] [Accepted: 10/30/2008] [Indexed: 10/21/2022]
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Liu H, Dömling A. One-pot synthesis of highly functionalized seleno amino acid derivatives. Chem Biol Drug Des 2009; 74:302-8. [PMID: 19703033 DOI: 10.1111/j.1747-0285.2009.00854.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We herein provide a new and rapid protocol to generate derivatives of seleno amino acid, including methyl selenocysteine, selenomethionine, and selenocystine. Applying the isocyanide-based multicomponent reaction Ugi-4C-5C reaction, we show that each of the commercially available seleno amino acids are good substrate for these reactions and can be used together with complementary oxocomponents and isocyanides to generate highly diverse functionalized selenium-containing compounds. These compounds might become useful tools for applications in chemical biology to elucidate the role of selenium in biochemistry.
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Affiliation(s)
- Haixia Liu
- Departments of Pharmaceutical Sciences and Chemistry, University of Pittsburgh, BST3 11019, Pittsburgh, PA 1526, USA
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Ezzikouri S, Feydi AEE, Afifi R, Benazzouz M, Hassar M, Pineau P, Benjelloun S. Polymorphisms in antioxidant defence genes and susceptibility to hepatocellular carcinoma in a Moroccan population. Free Radic Res 2009; 44:208-16. [DOI: 10.3109/10715760903402906] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Martín MA, Ramos S, Mateos R, Granado Serrano AB, Izquierdo-Pulido M, Bravo L, Goya L. Protection of human HepG2 cells against oxidative stress by cocoa phenolic extract. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2008; 56:7765-7772. [PMID: 18680371 DOI: 10.1021/jf801744r] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Cocoa is a rich source of flavanols and procyanidin oligomers with antioxidative properties, providing protection against oxidation and nitration. The present study investigated the potential protective effect of a polyphenolic extract from cocoa on cell viability and antioxidant defenses of cultured human HepG2 cells submitted to oxidative stress induced by tert-butylhydroperoxide (t-BOOH). Pretreatment of cells with 0.05-50 microg/mL of cocoa polyphenolic extract (CPE) for 2 or 20 h completely prevented cell damage and enhanced activity of antioxidant enzymes induced by a treatment with t-BOOH. Moreover, lower levels of GSH caused by t-BOOH in HepG2 cells were partly recovered by a pretreatment with CPE. Increased reactive oxygen species (ROS) induced by t-BOOH was dose-dependently prevented when cells were pretreated for 2 or 20 h with CPE. These results show that treatment of HepG2 in culture with CPE (within the physiological range of concentrations) confers a significant protection against oxidation to the cells.
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Affiliation(s)
- María Angeles Martín
- Department of Metabolism and Nutrition Instituto del Frío, Consejo Superior de Investigaciones Científicas, José Antonio Novais 10, 28040 Madrid, Spain
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