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Volumn 52, Issue 3, 2000, Pages 209-220

Brown bullhead (Ameiurus nebulosus) skin carcinogenesis

Author keywords

Ameiurus nebulosus; Bioassay; Brown bull head; Cancer; Carcinogenesis; Epidermis; Skin; Skin carcinogenesis

Indexed keywords

CYCLINE; KERATIN;

EID: 0033947907     PISSN: 09402993     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0940-2993(00)80031-7     Document Type: Article
Times cited : (16)

References (50)
  • 1
    • 0022961251 scopus 로고
    • Separation of cytokeratin polypeptides by gel electrophoretic and chromatographic techniques and their identification by immunoblotting
    • ACHTSTAETTER T, HATZFELD M, QUINLAN RA, et al.: Separation of cytokeratin polypeptides by gel electrophoretic and chromatographic techniques and their identification by immunoblotting. Methods Enz 1986; 134: 355-371.
    • (1986) Methods Enz , vol.134 , pp. 355-371
    • Achtstaetter, T.1    Hatzfeld, M.2    Quinlan, R.A.3
  • 2
    • 0027395858 scopus 로고
    • Role of integrins and other cell adhesion molecules in tumor progression and metastasis
    • ALBELDA SM: Role of integrins and other cell adhesion molecules in tumor progression and metastasis. Lab Invest 1993; 68: 4-17.
    • (1993) Lab Invest , vol.68 , pp. 4-17
    • Albelda, S.M.1
  • 3
    • 0026544368 scopus 로고
    • The stem cells of the liver - A selective review
    • ATERMAN K: The stem cells of the liver - a selective review. J Can Res Clin Oncol 1992; 118: 87-115.
    • (1992) J Can Res Clin Oncol , vol.118 , pp. 87-115
    • Aterman, K.1
  • 4
    • 0025718837 scopus 로고
    • Intermediate filaments formed de novo from tail-less cytokeratins in the cytoplasm and in the nucleus
    • BADER BL, MAGIN TM, FREUDENMANN M, et al: Intermediate filaments formed de novo from tail-less cytokeratins in the cytoplasm and in the nucleus. J Cell Bio 1991; 115: 1293-1307.
    • (1991) J Cell Bio , vol.115 , pp. 1293-1307
    • Bader, B.L.1    Magin, T.M.2    Freudenmann, M.3
  • 5
    • 0026273250 scopus 로고
    • Tumor frequencies in walleye (Stizostedion vitreum) and brown bullhead (Ictalurus nebulosus) and sediment contaminants in tributaries in the Laurentian Great Lakes
    • BAUMANN PC, MAC MJ, SMITH SB, et al: Tumor frequencies in walleye (Stizostedion vitreum) and brown bullhead (Ictalurus nebulosus) and sediment contaminants in tributaries in the Laurentian Great Lakes. Can J Fish Aquat Sci 1991; 48: 1804-1810.
    • (1991) Can J Fish Aquat Sci , vol.48 , pp. 1804-1810
    • Baumann, P.C.1    Mac, M.J.2    Smith, S.B.3
  • 6
    • 84953605803 scopus 로고
    • Tumor frequencies and contaminant concentrations in brown bullheads from an industrialized river and a recreational lake
    • BAUMANN PC, SMITH WD, PARLAND WK: Tumor frequencies and contaminant concentrations in brown bullheads from an industrialized river and a recreational lake. Trans Am Fish Soc 1987; 116: 79-86.
    • (1987) Trans Am Fish Soc , vol.116 , pp. 79-86
    • Baumann, P.C.1    Smith, W.D.2    Parland, W.K.3
  • 7
    • 0020906423 scopus 로고
    • Epidermal hyperplasia and neoplasia in brown bullheads (Ictalurus nebulosus) in response to repeated applications of a PAH containing extract of polluted river sediment
    • COOKE M, DENNIS AJ (eds.): Battelle Press Columbus OH
    • BLACK, JJ: Epidermal hyperplasia and neoplasia in brown bullheads (Ictalurus nebulosus) in response to repeated applications of a PAH containing extract of polluted river sediment. In: COOKE M, DENNIS AJ (eds.): Polynuclear Aromatic Hydrocarbons: Formation, Metabolism, and Measurement; Battelle Press Columbus OH 1983; pp: 99-111.
    • (1983) Polynuclear Aromatic Hydrocarbons: Formation, Metabolism, and Measurement , pp. 99-111
    • Black, J.J.1
  • 8
    • 0022983350 scopus 로고
    • Carcinogenic effects of river sediment extracts in fish and mice
    • JOLLY RL, BULL RJ, DAVIS WP, et al. (eds.): CRC Press Boca Raton FL
    • BLACK, JJ, Fox, H, BLACK, P, et al.: Carcinogenic effects of river sediment extracts in fish and mice. In: JOLLY RL, BULL RJ, DAVIS WP, et al. (eds.): Water Chlorination Chemistry, Environmental Impact and Health Effects; CRC Press Boca Raton FL 1993; pp: 415-427.
    • (1993) Water Chlorination Chemistry, Environmental Impact and Health Effects , pp. 415-427
    • Black, J.J.1    Fox, H.2    Black, P.3
  • 9
    • 0026314272 scopus 로고
    • Epizootic papillomas in brown bullheads Ictalurus nebulosus from Silver Stream reservoir, New York
    • BOWSER PR, WOLFE MJ, REIMERR J, et al.: Epizootic papillomas in brown bullheads Ictalurus nebulosus from Silver Stream reservoir, New York. Dis aquat Org 1991; 11: 117-127.
    • (1991) Dis Aquat Org , vol.11 , pp. 117-127
    • Bowser, P.R.1    Wolfe, M.J.2    Reimerr, J.3
  • 10
    • 0023091627 scopus 로고
    • Cyclin/PCNA is the auxilliary protein of DNA polymerase delta
    • BRAVO R, FRANK R, BLUNDELL PA, et al.: Cyclin/PCNA is the auxilliary protein of DNA polymerase delta. Nature 1987; 326: 515-517.
    • (1987) Nature , vol.326 , pp. 515-517
    • Bravo, R.1    Frank, R.2    Blundell, P.A.3
  • 11
    • 0027653844 scopus 로고
    • The immunocytochemistry of cytokeratin in fish tissues
    • BUNTON TE: The immunocytochemistry of cytokeratin in fish tissues. Vet Pathol 1993; 30: 418-425.
    • (1993) Vet Pathol , vol.30 , pp. 418-425
    • Bunton, T.E.1
  • 12
    • 0028044083 scopus 로고
    • Intermediate filament reactivity in hyperplastic and neoplastic lesions from medaka (Oryzias latipes)
    • BUNTON TE: Intermediate filament reactivity in hyperplastic and neoplastic lesions from medaka (Oryzias latipes). Exp Toxicol Pathol 1994; 46: 389-396.
    • (1994) Exp Toxicol Pathol , vol.46 , pp. 389-396
    • Bunton, T.E.1
  • 13
    • 0029023639 scopus 로고
    • Expression of actin and desmin in experimentally induced hepatic lesions and neoplasms from medaka (Oryzias latipes)
    • BUNTON TE: Expression of actin and desmin in experimentally induced hepatic lesions and neoplasms from medaka (Oryzias latipes). Carcinogenesis 1995; 16: 1059-1063.
    • (1995) Carcinogenesis , vol.16 , pp. 1059-1063
    • Bunton, T.E.1
  • 14
    • 0029903736 scopus 로고    scopus 로고
    • Experimental chemical carcinogenesis in fish: A review
    • BUNTON TE: Experimental chemical carcinogenesis in fish: a review. Toxicol Pathol 1996; 24: 603-618.
    • (1996) Toxicol Pathol , vol.24 , pp. 603-618
    • Bunton, T.E.1
  • 16
    • 0029894680 scopus 로고    scopus 로고
    • Reactivity of tissue specific antigens in N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) induced neoplasms and normal tissues from medaka (Oryzias latipes)
    • BUNTON TE, WOLFE MJ: Reactivity of tissue specific antigens in N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) induced neoplasms and normal tissues from medaka (Oryzias latipes). Toxicol Pathol 1996; 24: 331-338.
    • (1996) Toxicol Pathol , vol.24 , pp. 331-338
    • Bunton, T.E.1    Wolfe, M.J.2
  • 17
    • 0024811825 scopus 로고
    • An immunocytochemical technique offering increased sensitivity and lowered cost with a streptavidin-horseradish peroxidase conjugate
    • CARTUN RW, PEDERSEN CA: An immunocytochemical technique offering increased sensitivity and lowered cost with a streptavidin-horseradish peroxidase conjugate. J Histotechnol 1989; 12: 273-276.
    • (1989) J Histotechnol , vol.12 , pp. 273-276
    • Cartun, R.W.1    Pedersen, C.A.2
  • 18
    • 0023051051 scopus 로고
    • Increased nuclear cyclin/PCNA antigen staining of non S-phase transformed human amnion cells engaged in nucleotide excision DNA repair
    • CELIS JE,d MADSEN P: Increased nuclear cyclin/PCNA antigen staining of non S-phase transformed human amnion cells engaged in nucleotide excision DNA repair. FEBS Lett 1986; 209: 277-283.
    • (1986) FEBS Lett , vol.209 , pp. 277-283
    • Celis, J.E.1    Madsen, P.2
  • 19
    • 0027550952 scopus 로고
    • The cellular and molecular biology of keratins: Beginning a new era
    • COULOMBE PA: The cellular and molecular biology of keratins: beginning a new era. Curr Opin Cell Biol 1993; 5: 17-29.
    • (1993) Curr Opin Cell Biol , vol.5 , pp. 17-29
    • Coulombe, P.A.1
  • 20
    • 0018080311 scopus 로고
    • Localization and significance of gamma-glutamyltranspeptidase in normal and neoplastic mouse skin
    • DE YOUNG LM, RICHARDS WL, BONZELET W, et al.: Localization and significance of gamma-glutamyltranspeptidase in normal and neoplastic mouse skin. Cancer Res 1978; 38: 3697-3701.
    • (1978) Cancer Res , vol.38 , pp. 3697-3701
    • De Young, L.M.1    Richards, W.L.2    Bonzelet, W.3
  • 21
    • 0026729695 scopus 로고
    • Multistage carcinogenesis in mouse skin
    • DIGIOVANNI JD: Multistage carcinogenesis in mouse skin. Pharmacol Ther 1992; 54: 63-128.
    • (1992) Pharmacol Ther , vol.54 , pp. 63-128
    • Digiovanni, J.D.1
  • 23
    • 0025832018 scopus 로고
    • Enhanced expression of low molecular weight keratins during progressive diethylnitrosamine-induced hepatocarcinogenesis in rats is associated with the presence of high levels of gamma-glutamyl transpeptide and glycogen-deficient islands
    • FERNANDES C, RAO KVK: Enhanced expression of low molecular weight keratins during progressive diethylnitrosamine-induced hepatocarcinogenesis in rats is associated with the presence of high levels of gamma-glutamyl transpeptide and glycogen-deficient islands. Cancer Lett 1991; 59: 211-219.
    • (1991) Cancer Lett , vol.59 , pp. 211-219
    • Fernandes, C.1    Rao, K.V.K.2
  • 24
    • 0018866880 scopus 로고
    • Changes in keratin gene expression during terminal differentiation of the keratinocyte
    • FUCHS E, GREEN H: Changes in keratin gene expression during terminal differentiation of the keratinocyte. Cell 1980; 19: 1033-1042.
    • (1980) Cell , vol.19 , pp. 1033-1042
    • Fuchs, E.1    Green, H.2
  • 25
    • 0027931754 scopus 로고
    • Oncogene expression in hepatic and biliary neoplasms of the fish Rivulus ocellatus marmoratus: Correlation with histologic changes
    • GOODWIN AE, GRIZZLE JM: Oncogene expression in hepatic and biliary neoplasms of the fish Rivulus ocellatus marmoratus: correlation with histologic changes. Carcinogenesis 1994a; 15: 1993-2002.
    • (1994) Carcinogenesis , vol.15 , pp. 1993-2002
    • Goodwin, A.E.1    Grizzle, J.M.2
  • 26
    • 0028022892 scopus 로고
    • Oncogene expression in hepatocytes of the fish Rivulus ocellatus marmoratus during the necrotic and regenerative phases of diethylnitrosamine toxicity
    • GOODWIN AE, GRIZZLE JM: Oncogene expression in hepatocytes of the fish Rivulus ocellatus marmoratus during the necrotic and regenerative phases of diethylnitrosamine toxicity. Carcinogenesis 1994b; 15: 1985-1992.
    • (1994) Carcinogenesis , vol.15 , pp. 1985-1992
    • Goodwin, A.E.1    Grizzle, J.M.2
  • 27
    • 0025199529 scopus 로고
    • Epizootiology of neoplasms in bony fish of North America
    • HARSHBARGER JC, CLARK JB: Epizootiology of neoplasms in bony fish of North America. Sci Total Environ 1990; 94: 1-32.
    • (1990) Sci Total Environ , vol.94 , pp. 1-32
    • Harshbarger, J.C.1    Clark, J.B.2
  • 28
    • 0023660926 scopus 로고
    • Cytokeratin domains involved in heterotypic complex formation determined by in vitro binding assays
    • HATZFELD M, MAIER G, FRANKE WW: Cytokeratin domains involved in heterotypic complex formation determined by in vitro binding assays. J Mol Biol 1987; 197: 237-255.
    • (1987) J Mol Biol , vol.197 , pp. 237-255
    • Hatzfeld, M.1    Maier, G.2    Franke, W.W.3
  • 29
    • 0027506641 scopus 로고
    • Critical aspects of initiation, promotion, and progression in multistage epidermal carcinogenesis
    • HENNINGS H, GLICK AB, GREENHALGH DA, et al.: Critical aspects of initiation, promotion, and progression in multistage epidermal carcinogenesis. Proc Soc Exp Biol Med 1993; 202: 1-18.
    • (1993) Proc Soc Exp Biol Med , vol.202 , pp. 1-18
    • Hennings, H.1    Glick, A.B.2    Greenhalgh, D.A.3
  • 30
    • 0024383482 scopus 로고
    • Pathology of brown bullhead, Ictalurus nebulosus, from highly contaminated and relatively clean sections of the Hudson River
    • KIM JCS, CHAO ES, BROWN MP, et al.: Pathology of brown bullhead, Ictalurus nebulosus, from highly contaminated and relatively clean sections of the Hudson River. Bull Environ Contam Toxicol 1989; 43: 144-150.
    • (1989) Bull Environ Contam Toxicol , vol.43 , pp. 144-150
    • Kim, J.C.S.1    Chao, E.S.2    Brown, M.P.3
  • 31
    • 0020691201 scopus 로고
    • Simultaneous appearance of keratin modifications and gamma-glutamyltransferase activity as indicators of tumor progression in mouse skin papillomas
    • KLEIN-SZANTO AJP, NELSON KG, SHAH Y, et al.: Simultaneous appearance of keratin modifications and gamma-glutamyltransferase activity as indicators of tumor progression in mouse skin papillomas. J Natl Cancer Inst 1983; 70: 161-168.
    • (1983) J Natl Cancer Inst , vol.70 , pp. 161-168
    • Klein-Szanto, A.J.P.1    Nelson, K.G.2    Shah, Y.3
  • 32
    • 0024239774 scopus 로고
    • Localization of cytokeratins in tissues of the rainbow trout: Fundamental differences in expression pattern between fish and higher vertebrates
    • MARKL J, FRANKE WW: Localization of cytokeratins in tissues of the rainbow trout: Fundamental differences in expression pattern between fish and higher vertebrates. Differentiation 1988; 39: 97-122.
    • (1988) Differentiation , vol.39 , pp. 97-122
    • Markl, J.1    Franke, W.W.2
  • 33
    • 0002043911 scopus 로고
    • The catalog and the expression complexity of cytokeratins in a lower vertebrate: Biochemical identification of cytokeratins in a teleost fish, the rainbow trout
    • MARKL J, WINTER S, FRANKE WW: The catalog and the expression complexity of cytokeratins in a lower vertebrate: biochemical identification of cytokeratins in a teleost fish, the rainbow trout. Eur J Cell Biol 1989; 50: 1-16.
    • (1989) Eur J Cell Biol , vol.50 , pp. 1-16
    • Markl, J.1    Winter, S.2    Franke, W.W.3
  • 35
    • 0018597548 scopus 로고
    • Keratinization of fish skin with special reference to the catfish Bagarius bagarius
    • MITTAL AK, WHITEAR M: Keratinization of fish skin with special reference to the catfish Bagarius bagarius. Cell Tiss Res 1979; 202: 213-230.
    • (1979) Cell Tiss Res , vol.202 , pp. 213-230
    • Mittal, A.K.1    Whitear, M.2
  • 36
    • 0020467073 scopus 로고
    • The catalog of human cytokeratins: Patterns of expression in normal epithelia, tumors and cultured cells
    • MOLL R, FRANKE WW, SCHILLER DL, et al.: The catalog of human cytokeratins: patterns of expression in normal epithelia, tumors and cultured cells. Cell 1982; 31: 11-24.
    • (1982) Cell , vol.31 , pp. 11-24
    • Moll, R.1    Franke, W.W.2    Schiller, D.L.3
  • 37
    • 0016711037 scopus 로고
    • High resolution two-dimensional electrophoresis of proteins
    • O'FARRELL PH: High resolution two-dimensional electrophoresis of proteins. J Bio Chem 1975; 250: 4007-4021.
    • (1975) J Bio Chem , vol.250 , pp. 4007-4021
    • O'Farrell, P.H.1
  • 38
    • 0028606872 scopus 로고
    • Detection of proliferating cell nuclear antigen in tissues of three small fish species
    • ORTEGO LS, HAWKINS WE, WALKER WW, et al.: Detection of proliferating cell nuclear antigen in tissues of three small fish species. Biotech Histochem 1994; 69: 317-323.
    • (1994) Biotech Histochem , vol.69 , pp. 317-323
    • Ortego, L.S.1    Hawkins, W.E.2    Walker, W.W.3
  • 39
    • 0024816259 scopus 로고
    • Localization of integrin receptors for fibronectin, collagen, and laminin in human skin. Variable expression in basal and squamous cell carcinomas
    • PELTONEN J, LARJAVA H, JAAKKOLA S, et al.: Localization of integrin receptors for fibronectin, collagen, and laminin in human skin. Variable expression in basal and squamous cell carcinomas. J Clin Invest 1989; 84(6): 1916-1923.
    • (1989) J Clin Invest , vol.84 , Issue.6 , pp. 1916-1923
    • Peltonen, J.1    Larjava, H.2    Jaakkola, S.3
  • 40
    • 0028188424 scopus 로고
    • Naturally occurring orocutaneous papillomas and carcinomas of brown bullheads (Ictalurus nebulosus) in New York State
    • POULET FM, WOLFE MJ, SPITSBERGEN JM: Naturally occurring orocutaneous papillomas and carcinomas of brown bullheads (Ictalurus nebulosus) in New York State. Vet Pathol 1994; 31: 8-18.
    • (1994) Vet Pathol , vol.31 , pp. 8-18
    • Poulet, F.M.1    Wolfe, M.J.2    Spitsbergen, J.M.3
  • 41
    • 0024488492 scopus 로고
    • Keratin expression in mouse epidermal tumors
    • CONTI CJ, SLAGA TJ, KLEIN-SZANTO AJP, (eds.): Raven Press New York
    • ROOP, DR, MEHREL, T, KRIEG, TM, et al.: Keratin expression in mouse epidermal tumors. In: CONTI CJ, SLAGA TJ, KLEIN-SZANTO AJP, (eds.): Skin Tumors: Experimental and Clinical Aspects; Raven Press New York 1989; pp: 257-271.
    • (1989) Skin Tumors: Experimental and Clinical Aspects , pp. 257-271
    • Roop, D.R.1    Mehrel, T.2    Krieg, T.M.3
  • 42
    • 84986500853 scopus 로고
    • Elevated serum levels of alpha foetoprotein (AFP)-like immunoreactivity in rainbow trout, Oncorhynchus mykiss (Walbaum), with aflatoxin B-1 induced hepatocellular carcinoma
    • SARCIONE EJ, BLACK JJ: Elevated serum levels of alpha foetoprotein (AFP)-like immunoreactivity in rainbow trout, Oncorhynchus mykiss (Walbaum), with aflatoxin B-1 induced hepatocellular carcinoma. J Fish Dis 1994; 17: 219-226.
    • (1994) J Fish Dis , vol.17 , pp. 219-226
    • Sarcione, E.J.1    Black, J.J.2
  • 44
    • 84987491011 scopus 로고
    • Histopathology and prevalence of epidermal papillomas epidemic in brown bullhead, Ictalurus nebulosus (Lesueur), and white sucker, Catostomus commersoni (Lacepede), populations from Ontario, Canada
    • SMITH IR, FERGUSON HW, HAYES MA: Histopathology and prevalence of epidermal papillomas epidemic in brown bullhead, Ictalurus nebulosus (Lesueur), and white sucker, Catostomus commersoni (Lacepede), populations from Ontario, Canada. J Fish Dis 1989; 12: 373-388.
    • (1989) J Fish Dis , vol.12 , pp. 373-388
    • Smith, I.R.1    Ferguson, H.W.2    Hayes, M.A.3
  • 45
    • 0025771984 scopus 로고
    • Cytoskeleton in microridges of the oral mucosal epithelium in the carp, Cyprinus carpio
    • UEHARA K, MIYOSHI M, MIYOSHI S: Cytoskeleton in microridges of the oral mucosal epithelium in the carp, Cyprinus carpio. Anat Rec 1991; 230: 164-168.
    • (1991) Anat Rec , vol.230 , pp. 164-168
    • Uehara, K.1    Miyoshi, M.2    Miyoshi, S.3
  • 46
    • 85053286793 scopus 로고
    • Expression of oncogenes and tumor suppressor genes in teleost fishes
    • MALINS DC, OSTRANDER GK (eds.): Lewis Publishers Boca Raton
    • VAN BENEDEN, RJ, OSTRANDER, GK: Expression of oncogenes and tumor suppressor genes in teleost fishes. In: MALINS DC, OSTRANDER GK (eds.): Aquatic Toxicology: Molecular Biochemical and Cellular Perspectives; Lewis Publishers Boca Raton 1994; pp: 295-326.
    • (1994) Aquatic Toxicology: Molecular Biochemical and Cellular Perspectives , pp. 295-326
    • Van Beneden, R.J.1    Ostrander, G.K.2
  • 47
    • 0001918866 scopus 로고
    • The skin of fishes including cyclostomes: Epidermis
    • BEREITRE-HAHN J, MATOLTSY AG, RICHARDS KS (eds.): Springer-Verlag Berlin
    • WHITEAR, M: The skin of fishes including cyclostomes: epidermis. In: BEREITRE-HAHN J, MATOLTSY AG, RICHARDS KS (eds.): Biology of the Integument. 2 Vertebrates; Springer-Verlag Berlin 1986; pp: 8-32.
    • (1986) Biology of the Integument. 2 Vertebrates , pp. 8-32
    • Whitear, M.1
  • 48
    • 0024388292 scopus 로고
    • Activation of the K-ras oncogene in liver tumors of Hudson River tomcod
    • WIRGIN I, CURRIE D, GARTE SJ: Activation of the K-ras oncogene in liver tumors of Hudson River tomcod. Carcinogenesis 1989; 10: 2311-2315.
    • (1989) Carcinogenesis , vol.10 , pp. 2311-2315
    • Wirgin, I.1    Currie, D.2    Garte, S.J.3
  • 49
    • 0027135951 scopus 로고
    • Update on proliferation-associated antibodies applicable to formalin-fixed paraffin-embedded tissue and their clinical applications
    • YU CCW, FILIPE MI: Update on proliferation-associated antibodies applicable to formalin-fixed paraffin-embedded tissue and their clinical applications. Histochem J 1993; 25: 843-853.
    • (1993) Histochem J , vol.25 , pp. 843-853
    • Yu, C.C.W.1    Filipe, M.I.2
  • 50
    • 0022384462 scopus 로고
    • Mucosubstance histochemistry in control and acid-stressed epidermis of brown bullhead catfish, Ictalurus nebulosus (LeSueur)
    • ZUCHELKOWSKY EM, PINKSTAFF CA, HINTON DE: Mucosubstance histochemistry in control and acid-stressed epidermis of brown bullhead catfish, Ictalurus nebulosus (LeSueur). Anat Rec 1985; 212: 327-335.
    • (1985) Anat Rec , vol.212 , pp. 327-335
    • Zuchelkowsky, E.M.1    Pinkstaff, C.A.2    Hinton, D.E.3


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