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Volumn 28, Issue 8, 2013, Pages 1368-1374

Association of N-acetyltransferase 2 and cytochrome P450 2E1 gene polymorphisms with antituberculosis drug-induced hepatotoxicity in Western India

Author keywords

Drug induced hepatotoxicity; Genetic polymorphisms; Slow acetylator; TB patients

Indexed keywords

ARYLAMINE ACETYLTRANSFERASE; CYTOCHROME P450 2E1; ETHAMBUTOL; ISONIAZID; PYRAZINAMIDE; RIFAMPICIN;

EID: 84880673426     PISSN: 08159319     EISSN: 14401746     Source Type: Journal    
DOI: 10.1111/jgh.12194     Document Type: Article
Times cited : (52)

References (46)
  • 1
    • 27744587955 scopus 로고    scopus 로고
    • Revised national TB control programme in India
    • Chauhan LS, Tonsing J. Revised national TB control programme in India. Tuberculosis (Edinb.) 2005; 85: 271-276.
    • (2005) Tuberculosis (Edinb.) , vol.85 , pp. 271-276
    • Chauhan, L.S.1    Tonsing, J.2
  • 2
    • 84880656645 scopus 로고    scopus 로고
    • WHO. Global tuberculosis control 2011. Geneva, Switzerland. Cited 24 Aug 2012. Available from URL:
    • WHO. Global tuberculosis control 2011. 2012. Geneva, Switzerland. Cited 24 Aug 2012. Available from URL: http://www.who.int/tb/publications/global_report/2011/gtbr11_full.pdf
    • (2012)
  • 3
    • 80052552503 scopus 로고    scopus 로고
    • Tuberculosis chemotherapy in the 21 century: back to the basics
    • Joshi JM. Tuberculosis chemotherapy in the 21 century: back to the basics. Lung India 2012; 28: 193-200.
    • (2012) Lung India , vol.28 , pp. 193-200
    • Joshi, J.M.1
  • 4
    • 33644808882 scopus 로고    scopus 로고
    • Monitoring and management of antituberculosis drug induced hepatotoxicity
    • Agal S, Baijal R, Pramanik S etal. Monitoring and management of antituberculosis drug induced hepatotoxicity. J. Gastroenterol. Hepatol. 2005; 20: 1745-1752.
    • (2005) J. Gastroenterol. Hepatol. , vol.20 , pp. 1745-1752
    • Agal, S.1    Baijal, R.2    Pramanik, S.3
  • 6
    • 0016524365 scopus 로고
    • Increased incidence of isoniazid hepatitis in rapid acetylators: possible relation to hydranize metabolites
    • Mitchell JR, Thorgeirsson UP, Black M etal. Increased incidence of isoniazid hepatitis in rapid acetylators: possible relation to hydranize metabolites. Clin. Pharmacol. Ther. 1975; 18: 70-79.
    • (1975) Clin. Pharmacol. Ther. , vol.18 , pp. 70-79
    • Mitchell, J.R.1    Thorgeirsson, U.P.2    Black, M.3
  • 7
    • 0017176137 scopus 로고
    • Isoniazid and iproniazid: activation of metabolites to toxic intermediates in man and rat
    • Nelson SD, Mitchell JR, Timbrell JA, Snodgrass WR, Corcoran GB, 3rd. Isoniazid and iproniazid: activation of metabolites to toxic intermediates in man and rat. Science 1976; 193: 901-903.
    • (1976) Science , vol.193 , pp. 901-903
    • Nelson, S.D.1    Mitchell, J.R.2    Timbrell, J.A.3    Snodgrass, W.R.4    Corcoran 3rd, G.B.5
  • 8
    • 84856209100 scopus 로고    scopus 로고
    • Studies on toxicity of antitubercular drugs namely isoniazid, rifampicin, and pyrazinamide in an in vitro model of HepG2 cell line
    • Singh M, Sasi P, Rai G, Gupta VH, Amarapurkar D, Wangikar PP. Studies on toxicity of antitubercular drugs namely isoniazid, rifampicin, and pyrazinamide in an in vitro model of HepG2 cell line. Med. Chem. Res. 2011; 20: 1611-1615.
    • (2011) Med. Chem. Res. , vol.20 , pp. 1611-1615
    • Singh, M.1    Sasi, P.2    Rai, G.3    Gupta, V.H.4    Amarapurkar, D.5    Wangikar, P.P.6
  • 9
    • 0030039365 scopus 로고    scopus 로고
    • Risk factors for hepatotoxicity from antituberculosis drugs: a case-control study
    • Pande JN, Singh SP, Khilnani GC, Khilnani S, Tandon RK. Risk factors for hepatotoxicity from antituberculosis drugs: a case-control study. Thorax 1996; 51: 132-136.
    • (1996) Thorax , vol.51 , pp. 132-136
    • Pande, J.N.1    Singh, S.P.2    Khilnani, G.C.3    Khilnani, S.4    Tandon, R.K.5
  • 10
    • 84872788104 scopus 로고    scopus 로고
    • Sex, ethnicity and slow acetylator profile are the major causes of hepatotoxicity induced by antituberculosis drugs
    • Chamorro JG, Castagnino JP, Musella RM etal. Sex, ethnicity and slow acetylator profile are the major causes of hepatotoxicity induced by antituberculosis drugs. J. Gastroenterol. Hepatol. 2012; 28: 323-328.
    • (2012) J. Gastroenterol. Hepatol. , vol.28 , pp. 323-328
    • Chamorro, J.G.1    Castagnino, J.P.2    Musella, R.M.3
  • 11
    • 2442639427 scopus 로고    scopus 로고
    • Incidence of hepatotoxicity due to antitubercular medicines and assessment of risk factors
    • Shakya R, Rao BS, Shrestha B. Incidence of hepatotoxicity due to antitubercular medicines and assessment of risk factors. Ann. Pharmacother. 2004; 38: 1074-1079.
    • (2004) Ann. Pharmacother. , vol.38 , pp. 1074-1079
    • Shakya, R.1    Rao, B.S.2    Shrestha, B.3
  • 12
    • 0033960045 scopus 로고    scopus 로고
    • Antituberculosis drug-related liver dysfunction in chronic hepatitis B infection
    • Wong WM, Wu PC, Yuen MF etal. Antituberculosis drug-related liver dysfunction in chronic hepatitis B infection. Hepatology 2000; 31: 201-206.
    • (2000) Hepatology , vol.31 , pp. 201-206
    • Wong, W.M.1    Wu, P.C.2    Yuen, M.F.3
  • 13
    • 0031808038 scopus 로고    scopus 로고
    • Antituberculosis drug-induced hepatotoxicity. The role of hepatitis C virus and the human immunodeficiency virus
    • Ungo JR, Jones D, Ashkin D etal. Antituberculosis drug-induced hepatotoxicity. The role of hepatitis C virus and the human immunodeficiency virus. Am. J. Respir. Crit. Care Med. 1998; 157: 1871-1876.
    • (1998) Am. J. Respir. Crit. Care Med. , vol.157 , pp. 1871-1876
    • Ungo, J.R.1    Jones, D.2    Ashkin, D.3
  • 14
    • 0029781041 scopus 로고    scopus 로고
    • Liver injury during antituberculosis treatment: an 11-year study
    • Dossing M, Wilcke JT, Askgaard DS, Nybo B. Liver injury during antituberculosis treatment: an 11-year study. Tuber. Lung Dis. 1996; 77: 335-340.
    • (1996) Tuber. Lung Dis. , vol.77 , pp. 335-340
    • Dossing, M.1    Wilcke, J.T.2    Askgaard, D.S.3    Nybo, B.4
  • 15
    • 35348922264 scopus 로고    scopus 로고
    • Genetic polymorphisms of NAT2 and CYP2E1 associated with antituberculosis drug-induced hepatotoxicity in Korean patients with pulmonary tuberculosis
    • Cho HJ, Koh WJ, Ryu YJ etal. Genetic polymorphisms of NAT2 and CYP2E1 associated with antituberculosis drug-induced hepatotoxicity in Korean patients with pulmonary tuberculosis. Tuberculosis (Edinb.) 2007; 87: 551-556.
    • (2007) Tuberculosis (Edinb.) , vol.87 , pp. 551-556
    • Cho, H.J.1    Koh, W.J.2    Ryu, Y.J.3
  • 16
    • 78851470285 scopus 로고    scopus 로고
    • Role of polymorphic N-acetyl transferase2 and cytochrome P4502E1 gene in antituberculosis treatment-induced hepatitis
    • Bose PD, Sarma MP, Medhi S, Das BC, Husain SA, Kar P. Role of polymorphic N-acetyl transferase2 and cytochrome P4502E1 gene in antituberculosis treatment-induced hepatitis. J. Gastroenterol. Hepatol. 2011; 26: 312-318.
    • (2011) J. Gastroenterol. Hepatol. , vol.26 , pp. 312-318
    • Bose, P.D.1    Sarma, M.P.2    Medhi, S.3    Das, B.C.4    Husain, S.A.5    Kar, P.6
  • 17
    • 0036796798 scopus 로고    scopus 로고
    • Evaluation of clinical and immunogenetic risk factors for the development of hepatotoxicity during antituberculosis treatment
    • Sharma SK, Balamurugan A, Saha PK, Pandey RM, Mehra NK. Evaluation of clinical and immunogenetic risk factors for the development of hepatotoxicity during antituberculosis treatment. Am. J. Respir. Crit. Care Med. 2002; 166: 916-919.
    • (2002) Am. J. Respir. Crit. Care Med. , vol.166 , pp. 916-919
    • Sharma, S.K.1    Balamurugan, A.2    Saha, P.K.3    Pandey, R.M.4    Mehra, N.K.5
  • 18
    • 44949221609 scopus 로고    scopus 로고
    • Influence of glutathione S-transferase M1 and T1 homozygous null mutations on the risk of antituberculosis drug-induced hepatotoxicity in a Caucasian population
    • Leiro V, Fernandez-Villar A, Valverde D etal. Influence of glutathione S-transferase M1 and T1 homozygous null mutations on the risk of antituberculosis drug-induced hepatotoxicity in a Caucasian population. Liver Int. 2008; 28: 835-839.
    • (2008) Liver Int. , vol.28 , pp. 835-839
    • Leiro, V.1    Fernandez-Villar, A.2    Valverde, D.3
  • 19
    • 34548063942 scopus 로고    scopus 로고
    • Functional characterization of single-nucleotide polymorphisms and haplotypes of human N-acetyltransferase 2
    • Zang Y, Doll MA, Zhao S, States JC, Hein DW. Functional characterization of single-nucleotide polymorphisms and haplotypes of human N-acetyltransferase 2. Carcinogenesis 2007; 28: 1665-1671.
    • (2007) Carcinogenesis , vol.28 , pp. 1665-1671
    • Zang, Y.1    Doll, M.A.2    Zhao, S.3    States, J.C.4    Hein, D.W.5
  • 20
    • 37149053585 scopus 로고    scopus 로고
    • NAT2 6A, a haplotype of the N-acetyltransferase 2 gene, is an important biomarker for risk of anti-tuberculosis drug-induced hepatotoxicity in Japanese patients with tuberculosis
    • Higuchi N, Tahara N, Yanagihara K etal. NAT2 6A, a haplotype of the N-acetyltransferase 2 gene, is an important biomarker for risk of anti-tuberculosis drug-induced hepatotoxicity in Japanese patients with tuberculosis. World J. Gastroenterol. 2007; 13: 6003-6008.
    • (2007) World J. Gastroenterol. , vol.13 , pp. 6003-6008
    • Higuchi, N.1    Tahara, N.2    Yanagihara, K.3
  • 21
    • 33746873652 scopus 로고    scopus 로고
    • DNA microarray genotyping of N-acetyltransferase 2 polymorphism using carbodiimide as the linker for assessment of isoniazid hepatotoxicity
    • Shimizu Y, Dobashi K, Mita Y etal. DNA microarray genotyping of N-acetyltransferase 2 polymorphism using carbodiimide as the linker for assessment of isoniazid hepatotoxicity. Tuberculosis (Edinb.) 2006; 86: 374-381.
    • (2006) Tuberculosis (Edinb.) , vol.86 , pp. 374-381
    • Shimizu, Y.1    Dobashi, K.2    Mita, Y.3
  • 22
    • 84867504367 scopus 로고    scopus 로고
    • Polymorphism of the N-acetyltransferase 2 gene as a susceptibility risk factor for antituberculosis drug-induced hepatotoxicity in Tunisian patients with tuberculosis
    • Ben Mahmoud L, Ghozzi H, Kamoun A etal. Polymorphism of the N-acetyltransferase 2 gene as a susceptibility risk factor for antituberculosis drug-induced hepatotoxicity in Tunisian patients with tuberculosis. Pathol. Biol. (Paris) 2011; 60: 324-330.
    • (2011) Pathol. Biol. (Paris) , vol.60 , pp. 324-330
    • Ben Mahmoud, L.1    Ghozzi, H.2    Kamoun, A.3
  • 23
    • 84861678115 scopus 로고    scopus 로고
    • NAT 2 and CYP2E1 polymorphisms associated with antituberculosis drug-induced hepatotoxicity in Chinese patients
    • An HR, Wu UQ, Wang ZY, Zhang JX, Liang Y. NAT 2 and CYP2E1 polymorphisms associated with antituberculosis drug-induced hepatotoxicity in Chinese patients. Clin. Exp. Pharmacol. Physiol. 2012; 39: 535-543.
    • (2012) Clin. Exp. Pharmacol. Physiol. , vol.39 , pp. 535-543
    • An, H.R.1    Wu, U.Q.2    Wang, Z.Y.3    Zhang, J.X.4    Liang, Y.5
  • 24
    • 77950881900 scopus 로고    scopus 로고
    • NAT2 and CYP2E1 polymorphisms and susceptibility to first-line anti-tuberculosis drug-induced hepatitis
    • Lee SW, Chung LS, Huang HH, Chuang TY, Liou YH, Wu LS. NAT2 and CYP2E1 polymorphisms and susceptibility to first-line anti-tuberculosis drug-induced hepatitis. Int. J. Tuberc. Lung Dis. 2010; 14: 622-626.
    • (2010) Int. J. Tuberc. Lung Dis. , vol.14 , pp. 622-626
    • Lee, S.W.1    Chung, L.S.2    Huang, H.H.3    Chuang, T.Y.4    Liou, Y.H.5    Wu, L.S.6
  • 25
    • 0028024393 scopus 로고
    • Ethnic variation in the CYP2E1 gene: polymorphism analysis of 695 African-Americans, European-Americans and Taiwanese
    • Stephens EA, Taylor JA, Kaplan N etal. Ethnic variation in the CYP2E1 gene: polymorphism analysis of 695 African-Americans, European-Americans and Taiwanese. Pharmacogenetics 1994; 4: 185-192.
    • (1994) Pharmacogenetics , vol.4 , pp. 185-192
    • Stephens, E.A.1    Taylor, J.A.2    Kaplan, N.3
  • 26
    • 33746067484 scopus 로고    scopus 로고
    • CYP2E1 genotype and isoniazid-induced hepatotoxicity in patients treated for latent tuberculosis
    • Vuilleumier N, Rossier MF, Chiappe A etal. CYP2E1 genotype and isoniazid-induced hepatotoxicity in patients treated for latent tuberculosis. Eur. J. Clin. Pharmacol. 2006; 62: 423-429.
    • (2006) Eur. J. Clin. Pharmacol. , vol.62 , pp. 423-429
    • Vuilleumier, N.1    Rossier, M.F.2    Chiappe, A.3
  • 27
    • 33645858545 scopus 로고    scopus 로고
    • Predisposition of antituberculosis drug induced hepatotoxicity by cytochrome P450 2E1 genotype and haplotype in pediatric patients
    • Roy B, Ghosh SK, Sutradhar D, Sikdar N, Mazumder S, Barman S. Predisposition of antituberculosis drug induced hepatotoxicity by cytochrome P450 2E1 genotype and haplotype in pediatric patients. J. Gastroenterol. Hepatol. 2006; 21: 784-786.
    • (2006) J. Gastroenterol. Hepatol. , vol.21 , pp. 784-786
    • Roy, B.1    Ghosh, S.K.2    Sutradhar, D.3    Sikdar, N.4    Mazumder, S.5    Barman, S.6
  • 28
    • 36148990260 scopus 로고    scopus 로고
    • Association of combined CYP2E1 gene polymorphism with the risk for esophageal squamous cell carcinoma in Huai'an population, China
    • Liu R, Yin LH, Pu YP. Association of combined CYP2E1 gene polymorphism with the risk for esophageal squamous cell carcinoma in Huai'an population, China. Chin. Med. J. (Engl.) 2007; 120: 1797-1802.
    • (2007) Chin. Med. J. (Engl.) , vol.120 , pp. 1797-1802
    • Liu, R.1    Yin, L.H.2    Pu, Y.P.3
  • 29
    • 80051550770 scopus 로고    scopus 로고
    • Recent admixture in an Indian population of African ancestry
    • Narang A, Jha P, Rawat V etal. Recent admixture in an Indian population of African ancestry. Am. J. Hum. Genet. 2011; 89: 111-120.
    • (2011) Am. J. Hum. Genet. , vol.89 , pp. 111-120
    • Narang, A.1    Jha, P.2    Rawat, V.3
  • 30
    • 0018097990 scopus 로고
    • Morphological composition of the people of India
    • Malhotra KC. Morphological composition of the people of India. J. Hum. Evol. 1978; 7: 45-53.
    • (1978) J. Hum. Evol. , vol.7 , pp. 45-53
    • Malhotra, K.C.1
  • 31
    • 0035049888 scopus 로고    scopus 로고
    • Ethical principles for medical research involving human subjects
    • Helsinki WMADo
    • Helsinki WMADo. Ethical principles for medical research involving human subjects. Bull. World Health Organ. 2001; 79: 373-374.
    • (2001) Bull. World Health Organ. , vol.79 , pp. 373-374
  • 32
    • 0025227871 scopus 로고
    • Criteria of drug-induced liver disorders. Report of an international consensus meeting
    • Benichou C. Criteria of drug-induced liver disorders. Report of an international consensus meeting. J. Hepatol. 1990; 11: 272-276.
    • (1990) J. Hepatol. , vol.11 , pp. 272-276
    • Benichou, C.1
  • 33
    • 0024284028 scopus 로고
    • A simple salting out procedure for extracting DNA from human nucleated cells
    • Miller SA, Dykes DD, Polesky HF. A simple salting out procedure for extracting DNA from human nucleated cells. Nucleic Acids Res. 1988; 16: 1215.
    • (1988) Nucleic Acids Res. , vol.16 , pp. 1215
    • Miller, S.A.1    Dykes, D.D.2    Polesky, H.F.3
  • 34
    • 0028829841 scopus 로고
    • Determination of human NAT2 acetylator genotype by restriction fragment-length polymorphism and allele-specific amplification
    • Doll MA, Fretland AJ, Deitz AC, Hein DW. Determination of human NAT2 acetylator genotype by restriction fragment-length polymorphism and allele-specific amplification. Anal. Biochem. 1995; 231: 413-420.
    • (1995) Anal. Biochem. , vol.231 , pp. 413-420
    • Doll, M.A.1    Fretland, A.J.2    Deitz, A.C.3    Hein, D.W.4
  • 35
    • 0030914911 scopus 로고    scopus 로고
    • Trimodality of isoniazid elimination: phenotype and genotype in patients with tuberculosis
    • Parkin DP, Vandenplas S, Botha FJ etal. Trimodality of isoniazid elimination: phenotype and genotype in patients with tuberculosis. Am. J. Respir. Crit. Care Med. 1997; 155: 1717-1722.
    • (1997) Am. J. Respir. Crit. Care Med. , vol.155 , pp. 1717-1722
    • Parkin, D.P.1    Vandenplas, S.2    Botha, F.J.3
  • 36
    • 84880677832 scopus 로고    scopus 로고
    • R Development Core Team. R: a language and environment for statistical computing. Vienna, Austria ISBN 3-900051-07-0. Cited 7 Aug 2011. Available from URL:
    • R Development Core Team. R: a language and environment for statistical computing. 2011. Vienna, Austria ISBN 3-900051-07-0. Cited 7 Aug 2011. Available from URL: http://www.ats.ucla.edu/stat/r/dac/logit.html
    • (2011)
  • 37
    • 43549123035 scopus 로고    scopus 로고
    • Isoniazid and its toxic metabolite hydrazine induce in vitro pyrazinamide toxicity
    • Tostmann A, Boeree MJ, Peters WH etal. Isoniazid and its toxic metabolite hydrazine induce in vitro pyrazinamide toxicity. Int. J. Antimicrob. Agents 2008; 31: 577-580.
    • (2008) Int. J. Antimicrob. Agents , vol.31 , pp. 577-580
    • Tostmann, A.1    Boeree, M.J.2    Peters, W.H.3
  • 39
    • 17644441355 scopus 로고    scopus 로고
    • Slow N-acetyltransferase 2 genotype affects the incidence of isoniazid and rifampicin-induced hepatotoxicity
    • Ohno M, Yamaguchi I, Yamamoto I etal. Slow N-acetyltransferase 2 genotype affects the incidence of isoniazid and rifampicin-induced hepatotoxicity. Int. J. Tuberc. Lung Dis. 2000; 4: 256-261.
    • (2000) Int. J. Tuberc. Lung Dis. , vol.4 , pp. 256-261
    • Ohno, M.1    Yamaguchi, I.2    Yamamoto, I.3
  • 40
    • 51149118041 scopus 로고    scopus 로고
    • Drug-metabolising enzyme polymorphisms and predisposition to anti-tuberculosis drug-induced liver injury: a meta-analysis
    • Sun F, Chen Y, Xiang Y, Zhan S. Drug-metabolising enzyme polymorphisms and predisposition to anti-tuberculosis drug-induced liver injury: a meta-analysis. Int. J. Tuberc. Lung Dis. 2008; 12: 994-1002.
    • (2008) Int. J. Tuberc. Lung Dis. , vol.12 , pp. 994-1002
    • Sun, F.1    Chen, Y.2    Xiang, Y.3    Zhan, S.4
  • 41
    • 84867650304 scopus 로고    scopus 로고
    • Pharmacogenetic study of drug-metabolising enzyme polymorphisms on the risk of anti-tuberculosis drug-induced liver injury: a meta-analysis
    • doi: 10.1371/journal.pone.0047769
    • Cai Y, Yi J, Zhou C, Shen X. Pharmacogenetic study of drug-metabolising enzyme polymorphisms on the risk of anti-tuberculosis drug-induced liver injury: a meta-analysis. PLoS ONE 2012; 7. doi: 10.1371/journal.pone.0047769
    • (2012) PLoS ONE , vol.7
    • Cai, Y.1    Yi, J.2    Zhou, C.3    Shen, X.4
  • 42
    • 84865340613 scopus 로고    scopus 로고
    • NAT2 genetic polymorphisms and anti-tuberculosis drug-induced hepatotoxicity in Chinese community population
    • Lv X, Tang S, Xia Y etal. NAT2 genetic polymorphisms and anti-tuberculosis drug-induced hepatotoxicity in Chinese community population. Ann. Hepatol. 2012; 11: 700-707.
    • (2012) Ann. Hepatol. , vol.11 , pp. 700-707
    • Lv, X.1    Tang, S.2    Xia, Y.3
  • 43
    • 0022646242 scopus 로고
    • Elevated serum aminotransferase induced by isoniazid in relation to isoniazid acetylator phenotype
    • Yamamoto T, Suou T, Hirayama C. Elevated serum aminotransferase induced by isoniazid in relation to isoniazid acetylator phenotype. Hepatology 1986; 6: 295-298.
    • (1986) Hepatology , vol.6 , pp. 295-298
    • Yamamoto, T.1    Suou, T.2    Hirayama, C.3
  • 44
    • 0026062622 scopus 로고
    • Genetic polymorphisms in the 5′-flanking region change transcriptional regulation of the human cytochrome P450IIE1 gene
    • Hayashi S, Watanabe J, Kawajiri K. Genetic polymorphisms in the 5′-flanking region change transcriptional regulation of the human cytochrome P450IIE1 gene. J. Biochem. 1991; 110: 559-565.
    • (1991) J. Biochem. , vol.110 , pp. 559-565
    • Hayashi, S.1    Watanabe, J.2    Kawajiri, K.3
  • 46
    • 0037380862 scopus 로고    scopus 로고
    • Cytochrome P450 2E1 genotype and the susceptibility to antituberculosis drug-induced hepatitis
    • Huang YS, Chern HD, Su WJ etal. Cytochrome P450 2E1 genotype and the susceptibility to antituberculosis drug-induced hepatitis. Hepatology 2003; 37: 924-930.
    • (2003) Hepatology , vol.37 , pp. 924-930
    • Huang, Y.S.1    Chern, H.D.2    Su, W.J.3


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