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Volumn 18, Issue 6, 2012, Pages 1092-1100

Smokers with active Crohn's disease have a clinically relevant dysbiosis of the gastrointestinal microbiota

Author keywords

Bacteroides; Crohn's disease; Faecalibacterium prausnitzii; microbiota; smoking

Indexed keywords

RNA 16S;

EID: 84861331645     PISSN: 10780998     EISSN: 15364844     Source Type: Journal    
DOI: 10.1002/ibd.21864     Document Type: Article
Times cited : (174)

References (51)
  • 1
    • 0035321325 scopus 로고    scopus 로고
    • Dendritic cells express tight junction proteins and penetrate gut epithelial monolayers to sample bacteria
    • Rescigno M, Urbano M, Valzasina B, et al. Dendritic cells express tight junction proteins and penetrate gut epithelial monolayers to sample bacteria. Nat Immunol. 2001; 2: 361-367.
    • (2001) Nat Immunol , vol.2 , pp. 361-367
    • Rescigno, M.1    Urbano, M.2    Valzasina, B.3
  • 2
    • 0141534407 scopus 로고    scopus 로고
    • The dendritic cell: Its role in intestinal inflammation and relationship with gut bacteria
    • Stagg AJ, Hart AL, Knight SC, et al. The dendritic cell: its role in intestinal inflammation and relationship with gut bacteria. Gut. 2003; 52: 1522-1529.
    • (2003) Gut , vol.52 , pp. 1522-1529
    • Stagg, A.J.1    Hart, A.L.2    Knight, S.C.3
  • 3
    • 3242664636 scopus 로고    scopus 로고
    • Recognition of commensal microflora by toll-like receptors is required for intestinal homeostasis
    • Rakoff-Nahoum S, Paglino J, Eslami-Varzaneh F, et al. Recognition of commensal microflora by toll-like receptors is required for intestinal homeostasis. Cell. 2004; 118: 229-241.
    • (2004) Cell , vol.118 , pp. 229-241
    • Rakoff-Nahoum, S.1    Paglino, J.2    Eslami-Varzaneh, F.3
  • 4
    • 53349173070 scopus 로고    scopus 로고
    • Specific microbiota direct the differentiation of IL-17-producing T-helper cells in the mucosa of the small intestine
    • Ivanov II, Frutos RL, Manel N, et al. Specific microbiota direct the differentiation of IL-17-producing T-helper cells in the mucosa of the small intestine. Cell Host Microbe. 2008; 4: 337-349.
    • (2008) Cell Host Microbe , vol.4 , pp. 337-349
    • Ivanov, I.I.1    Frutos, R.L.2    Manel, N.3
  • 5
    • 38649115342 scopus 로고    scopus 로고
    • Microbial influences in inflammatory bowel diseases
    • Sartor RB,. Microbial influences in inflammatory bowel diseases. Gastroenterology. 2008; 134: 577-594.
    • (2008) Gastroenterology , vol.134 , pp. 577-594
    • Sartor, R.B.1
  • 6
    • 33947522154 scopus 로고    scopus 로고
    • CD4(+) T lymphocytes mediate colitis in HLA-B27 transgenic rats monoassociated with nonpathogenic Bacteroides vulgatus
    • Hoentjen F, Tonkonogy SL, Qian BF, et al. CD4(+) T lymphocytes mediate colitis in HLA-B27 transgenic rats monoassociated with nonpathogenic Bacteroides vulgatus. Inflamm Bowel Dis. 2007; 13: 317-324.
    • (2007) Inflamm Bowel Dis , vol.13 , pp. 317-324
    • Hoentjen, F.1    Tonkonogy, S.L.2    Qian, B.F.3
  • 7
    • 17144383927 scopus 로고    scopus 로고
    • Variable phenotypes of enterocolitis in interleukin 10-deficient mice monoassociated with two different commensal bacteria
    • Kim SC, Tonkonogy SL, Albright CA, et al. Variable phenotypes of enterocolitis in interleukin 10-deficient mice monoassociated with two different commensal bacteria. Gastroenterology. 2005; 128: 891-906.
    • (2005) Gastroenterology , vol.128 , pp. 891-906
    • Kim, S.C.1    Tonkonogy, S.L.2    Albright, C.A.3
  • 8
    • 7244226119 scopus 로고    scopus 로고
    • Modulation of human dendritic cell phenotype and function by probiotic bacteria
    • Hart AL, Lammers K, Brigidi P, et al. Modulation of human dendritic cell phenotype and function by probiotic bacteria. Gut. 2004; 53: 1602-1609.
    • (2004) Gut , vol.53 , pp. 1602-1609
    • Hart, A.L.1    Lammers, K.2    Brigidi, P.3
  • 9
    • 55949124035 scopus 로고    scopus 로고
    • Faecalibacterium prausnitzii is an anti-inflammatory commensal bacterium identified by gut microbiota analysis of Crohn disease patients
    • Sokol H, Pigneur B, Watterlot L, et al. Faecalibacterium prausnitzii is an anti-inflammatory commensal bacterium identified by gut microbiota analysis of Crohn disease patients. Proc Natl Acad Sci U S A. 2008; 105: 16731-16736.
    • (2008) Proc Natl Acad Sci U S A , vol.105 , pp. 16731-16736
    • Sokol, H.1    Pigneur, B.2    Watterlot, L.3
  • 10
    • 77950251400 scopus 로고    scopus 로고
    • A human gut microbial gene catalogue established by metagenomic sequencing
    • Qin J, Li R, Raes J, et al. A human gut microbial gene catalogue established by metagenomic sequencing. Nature. 2010; 464: 59-65.
    • (2010) Nature , vol.464 , pp. 59-65
    • Qin, J.1    Li, R.2    Raes, J.3
  • 11
    • 20544444045 scopus 로고    scopus 로고
    • Diversity of the human intestinal microbial flora
    • Eckburg PB, Bik EM, Bernstein CN, et al. Diversity of the human intestinal microbial flora. Science. 2005; 308: 1635-1638.
    • (2005) Science , vol.308 , pp. 1635-1638
    • Eckburg, P.B.1    Bik, E.M.2    Bernstein, C.N.3
  • 12
    • 0345830652 scopus 로고    scopus 로고
    • Dysbiosis in inflammatory bowel disease
    • Tamboli CP, Neut C, Desreumaux P, et al. Dysbiosis in inflammatory bowel disease. Gut. 2004; 53: 1-4.
    • (2004) Gut , vol.53 , pp. 1-4
    • Tamboli, C.P.1    Neut, C.2    Desreumaux, P.3
  • 13
    • 0025939784 scopus 로고
    • The assessment of faecal flora in patients with inflammatory bowel disease by a simplified bacteriological technique
    • Giaffer MH, Holdsworth CD, Duerden BI,. The assessment of faecal flora in patients with inflammatory bowel disease by a simplified bacteriological technique. J Med Microbiol. 1991; 35: 238-243.
    • (1991) J Med Microbiol , vol.35 , pp. 238-243
    • Giaffer, M.H.1    Holdsworth, C.D.2    Duerden, B.I.3
  • 15
    • 18944382323 scopus 로고    scopus 로고
    • Molecular characterization of rectal mucosa-associated bacterial flora in inflammatory bowel disease
    • Mylonaki M, Rayment NB, Rampton DS, et al. Molecular characterization of rectal mucosa-associated bacterial flora in inflammatory bowel disease. Inflamm Bowel Dis. 2005; 11: 481-487.
    • (2005) Inflamm Bowel Dis , vol.11 , pp. 481-487
    • Mylonaki, M.1    Rayment, N.B.2    Rampton, D.S.3
  • 16
    • 35348857386 scopus 로고    scopus 로고
    • Molecular-phylogenetic characterization of microbial community imbalances in human inflammatory bowel diseases
    • Frank DN, St Amand AL, Feldman RA, et al. Molecular-phylogenetic characterization of microbial community imbalances in human inflammatory bowel diseases. Proc Natl Acad Sci U S A. 2007; 104: 13780-13785.
    • (2007) Proc Natl Acad Sci U S A , vol.104 , pp. 13780-13785
    • Frank, D.N.1    St Amand, A.L.2    Feldman, R.A.3
  • 17
    • 70349488325 scopus 로고    scopus 로고
    • Low counts of Faecalibacterium prausnitzii in colitis microbiota
    • Sokol H, Seksik P, Furet JP, et al. Low counts of Faecalibacterium prausnitzii in colitis microbiota. Inflamm Bowel Dis. 2009; 15: 1183-1189.
    • (2009) Inflamm Bowel Dis , vol.15 , pp. 1183-1189
    • Sokol, H.1    Seksik, P.2    Furet, J.P.3
  • 18
    • 0036061640 scopus 로고    scopus 로고
    • Long-term evolution of disease behavior of Crohn's disease
    • Cosnes J, Cattan S, Blain A, et al. Long-term evolution of disease behavior of Crohn's disease. Inflamm Bowel Dis. 2002; 8: 244-250.
    • (2002) Inflamm Bowel Dis , vol.8 , pp. 244-250
    • Cosnes, J.1    Cattan, S.2    Blain, A.3
  • 19
    • 78649686679 scopus 로고    scopus 로고
    • A pyrosequencing study in twins shows that gastrointestinal microbial profiles vary with inflammatory bowel disease phenotypes
    • Willing BP, Dicksved J, Halfvarson J, et al. A pyrosequencing study in twins shows that gastrointestinal microbial profiles vary with inflammatory bowel disease phenotypes. Gastroenterology. 2010; 139: 1844-1854.
    • (2010) Gastroenterology , vol.139 , pp. 1844-1854
    • Willing, B.P.1    Dicksved, J.2    Halfvarson, J.3
  • 20
    • 0030020933 scopus 로고    scopus 로고
    • Effects of cigarette smoking on the long-term course of Crohn's disease
    • Cosnes J, Carbonnel F, Beaugerie L, et al. Effects of cigarette smoking on the long-term course of Crohn's disease. Gastroenterology. 1996; 110: 424-431.
    • (1996) Gastroenterology , vol.110 , pp. 424-431
    • Cosnes, J.1    Carbonnel, F.2    Beaugerie, L.3
  • 21
    • 2442651765 scopus 로고    scopus 로고
    • Tobacco and IBD: Relevance in the understanding of disease mechanisms and clinical practice
    • Cosnes J,. Tobacco and IBD: relevance in the understanding of disease mechanisms and clinical practice. Best Pract Res Clin Gastroenterol. 2004; 18: 481-496.
    • (2004) Best Pract Res Clin Gastroenterol , vol.18 , pp. 481-496
    • Cosnes, J.1
  • 22
    • 39149118004 scopus 로고    scopus 로고
    • Chronic nicotine stimulation modulates the immune response of mucosal T cells to Th1-dominant pattern via nAChR by upregulation of Th1-specific transcriptional factor
    • Kikuchi H, Itoh J, Fukuda S,. Chronic nicotine stimulation modulates the immune response of mucosal T cells to Th1-dominant pattern via nAChR by upregulation of Th1-specific transcriptional factor. Neurosci Lett. 2008; 432: 217-221.
    • (2008) Neurosci Lett , vol.432 , pp. 217-221
    • Kikuchi, H.1    Itoh, J.2    Fukuda, S.3
  • 23
    • 34247566585 scopus 로고    scopus 로고
    • A nonsynonymous SNP in ATG16L1 predisposes to ileal Crohn's disease and is independent of CARD15 and IBD5
    • Prescott NJ, Fisher SA, Franke A, et al. A nonsynonymous SNP in ATG16L1 predisposes to ileal Crohn's disease and is independent of CARD15 and IBD5. Gastroenterology. 2007; 132: 1665-1671.
    • (2007) Gastroenterology , vol.132 , pp. 1665-1671
    • Prescott, N.J.1    Fisher, S.A.2    Franke, A.3
  • 24
    • 33750610190 scopus 로고    scopus 로고
    • Smoking and inflammatory bowel disease: A meta-analysis
    • Mahid SS, Minor KS, Soto RE, et al. Smoking and inflammatory bowel disease: a meta-analysis. Mayo Clin Proc. 2006; 81: 1462-1471.
    • (2006) Mayo Clin Proc , vol.81 , pp. 1462-1471
    • Mahid, S.S.1    Minor, K.S.2    Soto, R.E.3
  • 25
    • 33645019411 scopus 로고    scopus 로고
    • Specificities of the fecal microbiota in inflammatory bowel disease
    • Sokol H, Seksik P, Rigottier-Gois L, et al. Specificities of the fecal microbiota in inflammatory bowel disease. Inflamm Bowel Dis. 2006; 12: 106-111.
    • (2006) Inflamm Bowel Dis , vol.12 , pp. 106-111
    • Sokol, H.1    Seksik, P.2    Rigottier-Gois, L.3
  • 26
    • 44349164525 scopus 로고    scopus 로고
    • Imbalance in intestinal microflora constitution could be involved in the pathogenesis of inflammatory bowel disease
    • Takaishi H, Matsuki T, Nakazawa A, et al. Imbalance in intestinal microflora constitution could be involved in the pathogenesis of inflammatory bowel disease. Int J Med Microbiol. 2008; 298: 463-472.
    • (2008) Int J Med Microbiol , vol.298 , pp. 463-472
    • Takaishi, H.1    Matsuki, T.2    Nakazawa, A.3
  • 28
    • 33846133717 scopus 로고    scopus 로고
    • Azathioprine and mesalazine-induced effects on the mucosal flora in patients with IBD colitis
    • Swidsinski A, Loening-Baucke V, Bengmark S, et al. Azathioprine and mesalazine-induced effects on the mucosal flora in patients with IBD colitis. Inflamm Bowel Dis. 2007; 13: 51-56.
    • (2007) Inflamm Bowel Dis , vol.13 , pp. 51-56
    • Swidsinski, A.1    Loening-Baucke, V.2    Bengmark, S.3
  • 29
    • 0033966699 scopus 로고    scopus 로고
    • Comparison of viable cell counts and fluorescence in situ hybridization using specific rRNA-based probes for the quantification of human fecal bacteria
    • Harmsen HJ, Gibson GR, Elfferich P, et al. Comparison of viable cell counts and fluorescence in situ hybridization using specific rRNA-based probes for the quantification of human fecal bacteria. FEMS Microbiol Lett. 2000; 183: 125-129.
    • (2000) FEMS Microbiol Lett , vol.183 , pp. 125-129
    • Harmsen, H.J.1    Gibson, G.R.2    Elfferich, P.3
  • 30
    • 0023637250 scopus 로고
    • 3-Aminopropyltriethoxysilane (APES): A new advance in section adhesion
    • Maddox PH, Jenkins D,. 3-Aminopropyltriethoxysilane (APES): a new advance in section adhesion. J Clin Pathol. 1987; 40: 1256-1257.
    • (1987) J Clin Pathol , vol.40 , pp. 1256-1257
    • Maddox, P.H.1    Jenkins, D.2
  • 31
    • 0028827080 scopus 로고
    • DAPI: A DNA-specific fluorescent probe
    • Kapuscinski J,. DAPI: a DNA-specific fluorescent probe. Biotech Histochem. 1995; 70: 220-233.
    • (1995) Biotech Histochem , vol.70 , pp. 220-233
    • Kapuscinski, J.1
  • 32
    • 0029162158 scopus 로고
    • Quantitative fluorescence in situ hybridization of Bifidobacterium spp. with genus-specific 16S rRNA-targeted probes and its application in fecal samples
    • Langendijk PS, Schut F, Jansen GJ, et al. Quantitative fluorescence in situ hybridization of Bifidobacterium spp. with genus-specific 16S rRNA-targeted probes and its application in fecal samples. Appl Environ Microbiol. 1995; 61: 3069-3075.
    • (1995) Appl Environ Microbiol , vol.61 , pp. 3069-3075
    • Langendijk, P.S.1    Schut, F.2    Jansen, G.J.3
  • 33
    • 9344247522 scopus 로고    scopus 로고
    • Application of a suite of 16S rRNA-specific oligonucleotide probes designed to investigate bacteria of the phylum cytophaga-flavobacter-bacteroides in the natural environment
    • Manz W, Amann R, Ludwig W, et al. Application of a suite of 16S rRNA-specific oligonucleotide probes designed to investigate bacteria of the phylum cytophaga-flavobacter-bacteroides in the natural environment. Microbiology. 1996; 142 (Pt 5): 1097-1106.
    • (1996) Microbiology , vol.142 , Issue.PART 5 , pp. 1097-1106
    • Manz, W.1    Amann, R.2    Ludwig, W.3
  • 34
    • 0031692488 scopus 로고    scopus 로고
    • Variations of bacterial populations in human feces measured by fluorescent in situ hybridization with group-specific 16S rRNA-targeted oligonucleotide probes
    • Franks AH, Harmsen HJ, Raangs GC, et al. Variations of bacterial populations in human feces measured by fluorescent in situ hybridization with group-specific 16S rRNA-targeted oligonucleotide probes. Appl Environ Microbiol. 1998; 64: 3336-3345.
    • (1998) Appl Environ Microbiol , vol.64 , pp. 3336-3345
    • Franks, A.H.1    Harmsen, H.J.2    Raangs, G.C.3
  • 35
    • 0028125296 scopus 로고
    • Spatial distribution of Escherichia coli in the mouse large intestine inferred from rRNA in situ hybridization
    • Poulsen LK, Lan F, Kristensen CS, et al. Spatial distribution of Escherichia coli in the mouse large intestine inferred from rRNA in situ hybridization. Infect Immun. 1994; 62: 5191-5194.
    • (1994) Infect Immun , vol.62 , pp. 5191-5194
    • Poulsen, L.K.1    Lan, F.2    Kristensen, C.S.3
  • 36
    • 0035031148 scopus 로고    scopus 로고
    • Fusobacterium prausnitzii and related species represent a dominant group within the human fecal flora
    • Suau A, Rochet V, Sghir A, et al. Fusobacterium prausnitzii and related species represent a dominant group within the human fecal flora. Syst Appl Microbiol. 2001; 24: 139-145.
    • (2001) Syst Appl Microbiol , vol.24 , pp. 139-145
    • Suau, A.1    Rochet, V.2    Sghir, A.3
  • 37
    • 0031716945 scopus 로고    scopus 로고
    • Cigarette smoking is associated with unhealthy patterns of nutrient intake: A meta-analysis
    • Dallongeville J, Marecaux N, Fruchart JC, et al. Cigarette smoking is associated with unhealthy patterns of nutrient intake: a meta-analysis. J Nutr. 1998; 128: 1450-1457.
    • (1998) J Nutr , vol.128 , pp. 1450-1457
    • Dallongeville, J.1    Marecaux, N.2    Fruchart, J.C.3
  • 38
    • 72449190581 scopus 로고    scopus 로고
    • Associations between dietary habits and body mass index with gut microbiota composition and fecal water genotoxicity: An observational study in African American and Caucasian American volunteers
    • Mai V, McCrary QM, Sinha R, et al. Associations between dietary habits and body mass index with gut microbiota composition and fecal water genotoxicity: an observational study in African American and Caucasian American volunteers. Nutr J. 2009; 8: 49.
    • (2009) Nutr J , vol.8 , pp. 49
    • Mai, V.1    McCrary, Q.M.2    Sinha, R.3
  • 39
    • 70350110294 scopus 로고    scopus 로고
    • High-fat diet determines the composition of the murine gut microbiome independently of obesity
    • Hildebrandt MA, Hoffmann C, Sherrill-Mix SA, et al. High-fat diet determines the composition of the murine gut microbiome independently of obesity. Gastroenterology. 2009; 137: 1716-1724.
    • (2009) Gastroenterology , vol.137 , pp. 1716-1724
    • Hildebrandt, M.A.1    Hoffmann, C.2    Sherrill-Mix, S.A.3
  • 40
    • 78650791518 scopus 로고    scopus 로고
    • Tobacco dependence and awareness of health risks of smoking in patients with inflammatory bowel disease
    • Wahed M, Goodhand JR, West O, et al. Tobacco dependence and awareness of health risks of smoking in patients with inflammatory bowel disease. Eur J Gastroenterol Hepatol. 2011; 23: 90-94.
    • (2011) Eur J Gastroenterol Hepatol , vol.23 , pp. 90-94
    • Wahed, M.1    Goodhand, J.R.2    West, O.3
  • 42
    • 64049087037 scopus 로고    scopus 로고
    • The accuracy of self-reported smoking: A systematic review of the relationship between self-reported and cotinine-assessed smoking status
    • Gorber SC, Schofield-Hurwitz S, Hardt J, et al. The accuracy of self-reported smoking: a systematic review of the relationship between self-reported and cotinine-assessed smoking status. Nicotine Tob Res. 2009; 11: 12-24.
    • (2009) Nicotine Tob Res , vol.11 , pp. 12-24
    • Gorber, S.C.1    Schofield-Hurwitz, S.2    Hardt, J.3
  • 43
  • 44
    • 0035430286 scopus 로고    scopus 로고
    • Humoral immune response in early-onset periodontitis: Influence of smoking
    • Mooney J, Hodge PJ, Kinane DF,. Humoral immune response in early-onset periodontitis: influence of smoking. J Periodontal Res. 2001; 36: 227-232.
    • (2001) J Periodontal Res , vol.36 , pp. 227-232
    • Mooney, J.1    Hodge, P.J.2    Kinane, D.F.3
  • 45
    • 0037219270 scopus 로고    scopus 로고
    • Negative association between smoking and anti-Saccharomyces cerevisiae antibodies in Crohn's disease
    • Van KC, Belaiche J, Steeman C, et al. Negative association between smoking and anti-Saccharomyces cerevisiae antibodies in Crohn's disease. Acta Gastroenterol Belg. 2003; 66: 1-6.
    • (2003) Acta Gastroenterol Belg , vol.66 , pp. 1-6
    • Van, K.C.1    Belaiche, J.2    Steeman, C.3
  • 46
    • 61849116850 scopus 로고    scopus 로고
    • Specific duodenal and faecal bacterial groups associated with paediatric coeliac disease
    • Collado MC, Donat E, Ribes-Koninckx C, et al. Specific duodenal and faecal bacterial groups associated with paediatric coeliac disease. J Clin Pathol. 2009; 62: 264-269.
    • (2009) J Clin Pathol , vol.62 , pp. 264-269
    • Collado, M.C.1    Donat, E.2    Ribes-Koninckx, C.3
  • 47
    • 80051786272 scopus 로고    scopus 로고
    • Relationship between human intestinal dendritic cells, gut microbiota, and disease activity in Crohn's disease
    • [Epub ahead of print].
    • Ng SC, Benjamin JL, McCarthy NE, et al. Relationship between human intestinal dendritic cells, gut microbiota, and disease activity in Crohn's disease. Inflamm Bowel Dis. 2010 [Epub ahead of print].
    • (2010) Inflamm Bowel Dis
    • Ng, S.C.1    Benjamin, J.L.2    McCarthy, N.E.3
  • 48
    • 78650099360 scopus 로고    scopus 로고
    • Disease phenotype and genotype are associated with shifts in intestinal-associated microbiota in inflammatory bowel diseases
    • Frank DN, Robertson CE, Hamm CM, et al. Disease phenotype and genotype are associated with shifts in intestinal-associated microbiota in inflammatory bowel diseases. Inflamm Bowel Dis. 2011; 17: 179-184.
    • (2011) Inflamm Bowel Dis , vol.17 , pp. 179-184
    • Frank, D.N.1    Robertson, C.E.2    Hamm, C.M.3
  • 49
    • 33845438587 scopus 로고    scopus 로고
    • Effect of bowel preparation and colonoscopy on post-procedure intestinal microbiota composition
    • Mai V, Greenwald B, Morris JG Jr, et al. Effect of bowel preparation and colonoscopy on post-procedure intestinal microbiota composition. Gut. 2006; 55: 1822-1823.
    • (2006) Gut , vol.55 , pp. 1822-1823
    • Mai, V.1    Greenwald, B.2    Morris, Jr.J.G.3
  • 50
    • 78650155416 scopus 로고    scopus 로고
    • Highlighting new phylogenetic specificities of Crohn's disease microbiota
    • Mondot S, Kang S, Furet JP, et al. Highlighting new phylogenetic specificities of Crohn's disease microbiota. Inflamm Bowel Dis. 2011; 17: 185-192.
    • (2011) Inflamm Bowel Dis , vol.17 , pp. 185-192
    • Mondot, S.1    Kang, S.2    Furet, J.P.3
  • 51
    • 0037302961 scopus 로고    scopus 로고
    • Alterations of the dominant faecal bacterial groups in patients with Crohn's disease of the colon
    • Seksik P, Rigottier-Gois L, Gramet G, et al. Alterations of the dominant faecal bacterial groups in patients with Crohn's disease of the colon. Gut. 2003; 52: 237-242.
    • (2003) Gut , vol.52 , pp. 237-242
    • Seksik, P.1    Rigottier-Gois, L.2    Gramet, G.3


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