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Volumn 30, Issue 10, 2014, Pages 901-909

Selenium pretreatment attenuates formaldehyde-induced genotoxicity in A549 cell lines

Author keywords

AP 1; Formaldehyde; genotoxicity; NF B; oxidative stress; selenium

Indexed keywords

FORMALDEHYDE; GLUTATHIONE PEROXIDASE; IMMUNOGLOBULIN ENHANCER BINDING PROTEIN; MALONALDEHYDE; REACTIVE OXYGEN METABOLITE; SELENIUM; SUPEROXIDE DISMUTASE; TRANSCRIPTION FACTOR AP 1;

EID: 84911409113     PISSN: 07482337     EISSN: 14770393     Source Type: Journal    
DOI: 10.1177/0748233712466129     Document Type: Article
Times cited : (13)

References (49)
  • 1
    • 72149112193 scopus 로고    scopus 로고
    • Skin tumor promotion by argemone oil/alkaloid in mice: evidence for enhanced cell proliferation, ornithine decarboxylase, cyclooxygenase-2 and activation of MAPK/NF-kappaB pathway
    • Ansari KM, Das M (2010) Skin tumor promotion by argemone oil/alkaloid in mice: evidence for enhanced cell proliferation, ornithine decarboxylase, cyclooxygenase-2 and activation of MAPK/NF-kappaB pathway. Food and Chemical Toxicology 48(1): 132–138.
    • (2010) Food and Chemical Toxicology , vol.48 , Issue.1 , pp. 132-138
    • Ansari, K.M.1    Das, M.2
  • 2
    • 10944251591 scopus 로고    scopus 로고
    • Repair and genetic consequences of endogenous DNA base damage in mammalian cells
    • Barnes DE, Lindahl T (2004) Repair and genetic consequences of endogenous DNA base damage in mammalian cells. Annual Review of Genetics 38: 445–476.
    • (2004) Annual Review of Genetics , vol.38 , pp. 445-476
    • Barnes, D.E.1    Lindahl, T.2
  • 3
    • 3543050047 scopus 로고    scopus 로고
    • Phenol and catechol induce prehemolytic and hemolytic changes in human erythrocytes
    • Bukowska B, Kowalska S (2004) Phenol and catechol induce prehemolytic and hemolytic changes in human erythrocytes. Toxicology Letters 152(1): 73–84.
    • (2004) Toxicology Letters , vol.152 , Issue.1 , pp. 73-84
    • Bukowska, B.1    Kowalska, S.2
  • 4
    • 77957183484 scopus 로고
    • DNA-protein cross-links and cell replication at specific sites in the nose of F344 rats exposed subchronically to formaldehyde
    • Casanova M, Morgan KT, Gross EA, Moss OR, Heck HA (1994) DNA-protein cross-links and cell replication at specific sites in the nose of F344 rats exposed subchronically to formaldehyde. Fundamental and Applied Toxicology 23(4): 525–536.
    • (1994) Fundamental and Applied Toxicology , vol.23 , Issue.4 , pp. 525-536
    • Casanova, M.1    Morgan, K.T.2    Gross, E.A.3    Moss, O.R.4    Heck, H.A.5
  • 5
    • 0038799736 scopus 로고    scopus 로고
    • Oxidative DNA damage: mechanisms, mutation, and disease
    • Cooke MS, Evans MD, Dizdaroglu M, Lunec J (2003) Oxidative DNA damage: mechanisms, mutation, and disease. FASEB Journal 17(10): 1195–1214.
    • (2003) FASEB Journal , vol.17 , Issue.10 , pp. 1195-1214
    • Cooke, M.S.1    Evans, M.D.2    Dizdaroglu, M.3    Lunec, J.4
  • 6
    • 79960961553 scopus 로고    scopus 로고
    • Assessment of the potential reproductive toxicity of long-term exposure of adult male rats to low-dose formaldehyde
    • Dangxia Z, Jing Z, Haixu W (2011) Assessment of the potential reproductive toxicity of long-term exposure of adult male rats to low-dose formaldehyde. Toxicology and Industrial Health 27(7): 591–598.
    • (2011) Toxicology and Industrial Health , vol.27 , Issue.7 , pp. 591-598
    • Dangxia, Z.1    Jing, Z.2    Haixu, W.3
  • 7
    • 0036317615 scopus 로고    scopus 로고
    • Baseline characteristics and the effect of selenium supplementation on cancer incidence in a randomized clinical trial: a summary report of the nutritional prevention of cancer trial
    • Duffield-Lillico AJ, Reid ME, Turnbull BW, Combs GF Jr, Slate EH, Fischbach LA et al. (2002) Baseline characteristics and the effect of selenium supplementation on cancer incidence in a randomized clinical trial: a summary report of the nutritional prevention of cancer trial. Cancer Epidemiology, Biomarkers and Prevention 11(7): 630–639.
    • (2002) Cancer Epidemiology, Biomarkers and Prevention , vol.11 , Issue.7 , pp. 630-639
    • Duffield-Lillico, A.J.1    Reid, M.E.2    Turnbull, B.W.3    Combs, G.F.4    Slate, E.H.5    Fischbach, L.A.6
  • 8
    • 0029998738 scopus 로고    scopus 로고
    • Antioxidant supplementation decreases oxidative DNA damage in human lymphocytes
    • Duthie SJ, Ma A, Ross MA, Collins AR (1996) Antioxidant supplementation decreases oxidative DNA damage in human lymphocytes. Cancer Research 56(6): 1291–1295.
    • (1996) Cancer Research , vol.56 , Issue.6 , pp. 1291-1295
    • Duthie, S.J.1    Ma, A.2    Ross, M.A.3    Collins, A.R.4
  • 9
    • 33645809586 scopus 로고    scopus 로고
    • Selenium protection from DNA damage involves a Ref1/p53/Brca1 protein complex
    • Fischer JL, Lancia JK, Mathur A, Smith ML (2006) Selenium protection from DNA damage involves a Ref1/p53/Brca1 protein complex. Anticancer Research 26(2A): 899–904.
    • (2006) Anticancer Research , vol.26 , Issue.2A , pp. 899-904
    • Fischer, J.L.1    Lancia, J.K.2    Mathur, A.3    Smith, M.L.4
  • 10
    • 0032848137 scopus 로고    scopus 로고
    • Selenium metabolism, selenoproteins and mechanisms of cancer prevention: complexities with thioredoxin reductase
    • Ganther HE (1999) Selenium metabolism, selenoproteins and mechanisms of cancer prevention: complexities with thioredoxin reductase. Carcinogenesis 20(9): 1657–1666.
    • (1999) Carcinogenesis , vol.20 , Issue.9 , pp. 1657-1666
    • Ganther, H.E.1
  • 12
    • 0033901453 scopus 로고    scopus 로고
    • Assessment of genotoxicity of dental antiseptics: ability of phenol, guaiacol, p-phenolsulfonic acid, sodium hypochlorite, p-chlorophenol, m-cresol or formaldehyde to induce unscheduled DNA synthesis in cultured Syrian hamster embryo cells
    • Hamaguchi F, Tsutsui T (2000) Assessment of genotoxicity of dental antiseptics: ability of phenol, guaiacol, p-phenolsulfonic acid, sodium hypochlorite, p-chlorophenol, m-cresol or formaldehyde to induce unscheduled DNA synthesis in cultured Syrian hamster embryo cells. Japanese Journal of Pharmacology 83(3): 273–276.
    • (2000) Japanese Journal of Pharmacology , vol.83 , Issue.3 , pp. 273-276
    • Hamaguchi, F.1    Tsutsui, T.2
  • 13
    • 0028812499 scopus 로고
    • Current aspects in metal genotoxicity
    • Hartwig A (1995) Current aspects in metal genotoxicity. Biometals 8(1): 3–11.
    • (1995) Biometals , vol.8 , Issue.1 , pp. 3-11
    • Hartwig, A.1
  • 14
  • 15
    • 4644278412 scopus 로고    scopus 로고
    • The implausibility of leukemia induction by formaldehyde: a critical review of the biological evidence on distant-site toxicity
    • Heck H, Casanova M (2004) The implausibility of leukemia induction by formaldehyde: a critical review of the biological evidence on distant-site toxicity. Regulatory Toxicology and Pharmacology 40(2): 92–106.
    • (2004) Regulatory Toxicology and Pharmacology , vol.40 , Issue.2 , pp. 92-106
    • Heck, H.1    Casanova, M.2
  • 16
    • 0037201960 scopus 로고    scopus 로고
    • Antioxidant nutrients and lead toxicity
    • Hsu PC, Guo YL (2002) Antioxidant nutrients and lead toxicity. Toxicology 180(1): 33–44.
    • (2002) Toxicology , vol.180 , Issue.1 , pp. 33-44
    • Hsu, P.C.1    Guo, Y.L.2
  • 17
    • 0033971069 scopus 로고    scopus 로고
    • Selenium, an antioxidant, attenuates methamphetamine-induced dopaminergic toxicity and peroxynitrite generation
    • Imam SZ, Ali SF (2002) Selenium, an antioxidant, attenuates methamphetamine-induced dopaminergic toxicity and peroxynitrite generation. Brain Research 855(1): 186–191.
    • (2002) Brain Research , vol.855 , Issue.1 , pp. 186-191
    • Imam, S.Z.1    Ali, S.F.2
  • 18
    • 25844450180 scopus 로고    scopus 로고
    • Relationships between genomic, cell cycle and mutagenic responses of TK6 cells exposed to DNA damaging chemicals
    • Islaih M, Halstead BW, Kadura IA, Li B, Reid-Hubbard JL, Flick L et al. (2005) Relationships between genomic, cell cycle and mutagenic responses of TK6 cells exposed to DNA damaging chemicals. Mutation Research 578 (1–2): 100–116.
    • (2005) Mutation Research , vol.578 , Issue.1-2 , pp. 100-116
    • Islaih, M.1    Halstead, B.W.2    Kadura, I.A.3    Li, B.4    Reid-Hubbard, J.L.5    Flick, L.6
  • 21
    • 33646379831 scopus 로고    scopus 로고
    • Waterborne and dietary hexavalent chromium exposure causes DNA-protein crosslink (DPX) formation in erythrocytes of largemouth bass (Micropterus salmoides)
    • Kuykendall JR, Miller KL, Mellinger KN, Cain AV (2006) Waterborne and dietary hexavalent chromium exposure causes DNA-protein crosslink (DPX) formation in erythrocytes of largemouth bass (Micropterus salmoides). Aquatic Toxicology 78(1): 27–31.
    • (2006) Aquatic Toxicology , vol.78 , Issue.1 , pp. 27-31
    • Kuykendall, J.R.1    Miller, K.L.2    Mellinger, K.N.3    Cain, A.V.4
  • 22
    • 33748753840 scopus 로고    scopus 로고
    • Selenium: from cancer prevention to DNA damage
    • Letavayova L, Vlckova V, Brozmanova J (2006) Selenium: from cancer prevention to DNA damage. Toxicology 227 (1–2): 1–14.
    • (2006) Toxicology , vol.227 , Issue.1-2 , pp. 1-14
    • Letavayova, L.1    Vlckova, V.2    Brozmanova, J.3
  • 23
    • 77952586058 scopus 로고    scopus 로고
    • Genotoxicity/mutagenicity of formaldehyde revealed by the Arabidopsis thaliana plants transgenic for homologous recombination substrates
    • Li F, Liu P, Wang T, Bian P, Wu Y, Wu L et al. (2010) Genotoxicity/mutagenicity of formaldehyde revealed by the Arabidopsis thaliana plants transgenic for homologous recombination substrates. Mutation Research 699 (1–2): 35–43.
    • (2010) Mutation Research , vol.699 , Issue.1-2 , pp. 35-43
    • Li, F.1    Liu, P.2    Wang, T.3    Bian, P.4    Wu, Y.5    Wu, L.6
  • 24
    • 77952528709 scopus 로고    scopus 로고
    • Formaldehyde induces apoptosis through decreased Prx 2 via p38 MAPK in lung epithelial cells
    • Lim SK, Kim JC, Moon CJ, Kim GY, Han HJ, Park SH (2010) Formaldehyde induces apoptosis through decreased Prx 2 via p38 MAPK in lung epithelial cells. Toxicology 271(3): 100–106.
    • (2010) Toxicology , vol.271 , Issue.3 , pp. 100-106
    • Lim, S.K.1    Kim, J.C.2    Moon, C.J.3    Kim, G.Y.4    Han, H.J.5    Park, S.H.6
  • 25
    • 71149121322 scopus 로고    scopus 로고
    • LMP1-augmented kappa intron enhancer activity contributes to upregulation expression of Ig kappa light chain via NF-kappaB and AP-1 pathways in nasopharyngeal carcinoma cells
    • Liu H, Zheng H, Duan Z, Hu D, Li M, Liu S et al. (2009) LMP1-augmented kappa intron enhancer activity contributes to upregulation expression of Ig kappa light chain via NF-kappaB and AP-1 pathways in nasopharyngeal carcinoma cells. Molecular Cancer 8: 92.
    • (2009) Molecular Cancer , vol.8 , pp. 92
    • Liu, H.1    Zheng, H.2    Duan, Z.3    Hu, D.4    Li, M.5    Liu, S.6
  • 26
    • 77955066854 scopus 로고    scopus 로고
    • Distribution of DNA adducts caused by inhaled formaldehyde is consistent with induction of nasal carcinoma but not leukemia
    • Lu K, Collins LB, Ru H, Bermudez E, Swenberg JA (2010) Distribution of DNA adducts caused by inhaled formaldehyde is consistent with induction of nasal carcinoma but not leukemia. Toxicological Science 116(2): 441–451.
    • (2010) Toxicological Science , vol.116 , Issue.2 , pp. 441-451
    • Lu, K.1    Collins, L.B.2    Ru, H.3    Bermudez, E.4    Swenberg, J.A.5
  • 27
    • 38949129784 scopus 로고    scopus 로고
    • DNA oxidation by charge transport in mitochondria
    • Merino EJ, Barton JK (2008) DNA oxidation by charge transport in mitochondria. Biochemistry 47(6): 1511–1517.
    • (2008) Biochemistry , vol.47 , Issue.6 , pp. 1511-1517
    • Merino, E.J.1    Barton, J.K.2
  • 28
    • 0031797733 scopus 로고    scopus 로고
    • Significance of formaldehyde-induced DNA-protein crosslinks for mutagenesis
    • Merk O, Speit G (1998) Significance of formaldehyde-induced DNA-protein crosslinks for mutagenesis. Environmental and Molecular Mutagenesis 32(3): 260–268.
    • (1998) Environmental and Molecular Mutagenesis , vol.32 , Issue.3 , pp. 260-268
    • Merk, O.1    Speit, G.2
  • 30
    • 0025959674 scopus 로고    scopus 로고
    • Stimulus-transcription coupling in the nervous system: involvement of the inducible proto-oncogenes fos and jun
    • Morgan JI, Curran T (1999) Stimulus-transcription coupling in the nervous system: involvement of the inducible proto-oncogenes fos and jun. Annual Review of Neuroscicence 14: 421–451.
    • (1999) Annual Review of Neuroscicence , vol.14 , pp. 421-451
    • Morgan, J.I.1    Curran, T.2
  • 31
    • 77955918349 scopus 로고    scopus 로고
    • Gene expression changes in primary human nasal epithelial cells exposed to formaldehyde in vitro
    • Neuss S, Holzmann K, Speit G (2010) Gene expression changes in primary human nasal epithelial cells exposed to formaldehyde in vitro. Toxicology Letters 198(2): 289–295.
    • (2010) Toxicology Letters , vol.198 , Issue.2 , pp. 289-295
    • Neuss, S.1    Holzmann, K.2    Speit, G.3
  • 33
    • 49949151772 scopus 로고    scopus 로고
    • Effect of different selenium sources and levels on porcine circovirus type 2 replication in vitro
    • Pan Q, Huang K, He K, Lu F (2008) Effect of different selenium sources and levels on porcine circovirus type 2 replication in vitro. Journal of Trace Elements in Medicine and Biology 22(2): 143–148.
    • (2008) Journal of Trace Elements in Medicine and Biology , vol.22 , Issue.2 , pp. 143-148
    • Pan, Q.1    Huang, K.2    He, K.3    Lu, F.4
  • 34
    • 78651413989 scopus 로고    scopus 로고
    • Aldosterone induces oxidative stress, oxidative DNA damage and NF-kappaB-activation in kidney tubule cells
    • Queisser N, Oteiza PI, Stopper H, Oli RG, Schupp N (2011) Aldosterone induces oxidative stress, oxidative DNA damage and NF-kappaB-activation in kidney tubule cells. Molecular Carcinogenesis 50(2): 123–135.
    • (2011) Molecular Carcinogenesis , vol.50 , Issue.2 , pp. 123-135
    • Queisser, N.1    Oteiza, P.I.2    Stopper, H.3    Oli, R.G.4    Schupp, N.5
  • 35
    • 0034190372 scopus 로고    scopus 로고
    • Regulation of redox glutathione levels and gene transcription in lung inflammation: therapeutic approaches
    • Rahman I, MacNee W (2000) Regulation of redox glutathione levels and gene transcription in lung inflammation: therapeutic approaches. Free Radical Biology and Medicine 28(9): 1405–1420.
    • (2000) Free Radical Biology and Medicine , vol.28 , Issue.9 , pp. 1405-1420
    • Rahman, I.1    MacNee, W.2
  • 37
    • 79954615889 scopus 로고    scopus 로고
    • An acellular assay to assess the genotoxicity of complex mixtures of organic pollutants bound on size segregated aerosol. Part II: oxidative damage to DNA
    • Rossner P Jr, Topinka J, Hovorka J, Milcova A, Schmuczerova J, Krouzek J et al. (2010) An acellular assay to assess the genotoxicity of complex mixtures of organic pollutants bound on size segregated aerosol. Part II: oxidative damage to DNA. Toxicology Letters 198(3): 312–316.
    • (2010) Toxicology Letters , vol.198 , Issue.3 , pp. 312-316
    • Rossner, P.1    Topinka, J.2    Hovorka, J.3    Milcova, A.4    Schmuczerova, J.5    Krouzek, J.6
  • 38
    • 33846070797 scopus 로고    scopus 로고
    • Genotoxic effects induced by formaldehyde in human blood and implications for the interpretation of biomonitoring studies
    • Schmid O, Speit G (2007) Genotoxic effects induced by formaldehyde in human blood and implications for the interpretation of biomonitoring studies. Mutagenesis 22(1): 69–74.
    • (2007) Mutagenesis , vol.22 , Issue.1 , pp. 69-74
    • Schmid, O.1    Speit, G.2
  • 40
    • 36849045206 scopus 로고    scopus 로고
    • The genotoxic potential of glutaraldehyde in mammalian cells in vitro in comparison with formaldehyde
    • Speit G, Neuss S, Schutz P, Frohler-Keller M, Schmid O (2008b) The genotoxic potential of glutaraldehyde in mammalian cells in vitro in comparison with formaldehyde. Mutation Research 649 (1–2): 146–154.
    • (2008) Mutation Research , vol.649 , Issue.1-2 , pp. 146-154
    • Speit, G.1    Neuss, S.2    Schutz, P.3    Frohler-Keller, M.4    Schmid, O.5
  • 41
    • 42949098768 scopus 로고    scopus 로고
    • Genotoxic effects of formaldehyde in the human lung cell line A549 and in primary human nasal epithelial cells
    • Speit G, Schmid O, Neuss S, Schutz P (2008a) Genotoxic effects of formaldehyde in the human lung cell line A549 and in primary human nasal epithelial cells. Environmental and Molecular Mutagensis 49(4): 300–307.
    • (2008) Environmental and Molecular Mutagensis , vol.49 , Issue.4 , pp. 300-307
    • Speit, G.1    Schmid, O.2    Neuss, S.3    Schutz, P.4
  • 42
    • 0029760957 scopus 로고    scopus 로고
    • Redox regulation of transcriptional activators
    • Sun Y, Oberley LW (1996) Redox regulation of transcriptional activators. Free Radical Biology and Medicine 21(3): 335–348.
    • (1996) Free Radical Biology and Medicine , vol.21 , Issue.3 , pp. 335-348
    • Sun, Y.1    Oberley, L.W.2
  • 43
    • 0035848398 scopus 로고    scopus 로고
    • Formaldehyde-mediated modification of natural deoxyguanosine with amines: one-pot cyclization as a molecular model for genotoxicity
    • Takahashi H, Hashimoto Y (2001) Formaldehyde-mediated modification of natural deoxyguanosine with amines: one-pot cyclization as a molecular model for genotoxicity. Bioorganic and Medicinal Chemistry Letters 11(5): 729–731.
    • (2001) Bioorganic and Medicinal Chemistry Letters , vol.11 , Issue.5 , pp. 729-731
    • Takahashi, H.1    Hashimoto, Y.2
  • 44
    • 0035969837 scopus 로고    scopus 로고
    • The formaldehyde metabolic detoxification enzyme systems and molecular cytotoxic mechanism in isolated rat hepatocytes
    • Teng S, Beard K, Pourahmad J, Moridani M, Easson E, Poon R et al. (2001) The formaldehyde metabolic detoxification enzyme systems and molecular cytotoxic mechanism in isolated rat hepatocytes. Chemico Biological Interactions 130–132 (1–3): 285–296.
    • (2001) Chemico Biological Interactions , vol.130-132 , Issue.1-3 , pp. 285-296
    • Teng, S.1    Beard, K.2    Pourahmad, J.3    Moridani, M.4    Easson, E.5    Poon, R.6
  • 45
    • 73749087124 scopus 로고    scopus 로고
    • Subchronic mycotoxicoses in Wistar rats: assessment of the in vivo and in vitro genotoxicity induced by fumonisins and aflatoxin B(1), and oxidative stress biomarkers status
    • Theumer MG, Canepa MC, Lopez AG, Mary VS, Dambolena JS, Rubinstein HR (2010) Subchronic mycotoxicoses in Wistar rats: assessment of the in vivo and in vitro genotoxicity induced by fumonisins and aflatoxin B(1), and oxidative stress biomarkers status. Toxicology 268 (1–2): 104–110.
    • (2010) Toxicology , vol.268 , Issue.1-2 , pp. 104-110
    • Theumer, M.G.1    Canepa, M.C.2    Lopez, A.G.3    Mary, V.S.4    Dambolena, J.S.5    Rubinstein, H.R.6
  • 46
    • 0033535440 scopus 로고    scopus 로고
    • Analysis of DNA-protein crosslinking activity of malondialdehyde in vitro
    • Voitkun V, Zhitkovich A (1999) Analysis of DNA-protein crosslinking activity of malondialdehyde in vitro. Mutation Research 424 (1–2): 97–106.
    • (1999) Mutation Research , vol.424 , Issue.1-2 , pp. 97-106
    • Voitkun, V.1    Zhitkovich, A.2
  • 47
    • 40149098121 scopus 로고    scopus 로고
    • DNA-protein cross-links between guanine and lysine depend on the mechanism of oxidation for formation of C5 vs C8 guanosine adducts
    • Xu X, Muller JG, Ye Y, Burrows CJ (2008) DNA-protein cross-links between guanine and lysine depend on the mechanism of oxidation for formation of C5 vs C8 guanosine adducts. Journal of American Chemical Society 130(2): 703–709.
    • (2008) Journal of American Chemical Society , vol.130 , Issue.2 , pp. 703-709
    • Xu, X.1    Muller, J.G.2    Ye, Y.3    Burrows, C.J.4
  • 48
    • 59349084923 scopus 로고    scopus 로고
    • Formaldehyde exposure and leukemia: a new meta-analysis and potential mechanisms
    • Zhang L, Steinmaus C, Eastmond DA, Xin XK, Smith MT. (2009) Formaldehyde exposure and leukemia: a new meta-analysis and potential mechanisms. Mutation Research 681 (2–3): 150–168.
    • (2009) Mutation Research , vol.681 , Issue.2-3 , pp. 150-168
    • Zhang, L.1    Steinmaus, C.2    Eastmond, D.A.3    Xin, X.K.4    Smith, M.T.5
  • 49
    • 74549222229 scopus 로고    scopus 로고
    • Occupational exposure to formaldehyde, hematotoxicity, and leukemia-specific chromosome changes in cultured myeloid progenitor cells
    • Zhang L, Tang X, Rothman N, Vermeulen R, Ji Z, Shen M et al. (2010) Occupational exposure to formaldehyde, hematotoxicity, and leukemia-specific chromosome changes in cultured myeloid progenitor cells. Cancer Epidemiology, Biomarkers and Prevention 19(1): 80–88.
    • (2010) Cancer Epidemiology, Biomarkers and Prevention , vol.19 , Issue.1 , pp. 80-88
    • Zhang, L.1    Tang, X.2    Rothman, N.3    Vermeulen, R.4    Ji, Z.5    Shen, M.6


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