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Volumn 55, Issue 12, 1996, Pages 1259-1269

Therapy of a murine model of pediatric brain tumors using a herpes simplex virus type-1 ICP34.5 mutant and demonstration of viral replication within the CNS

Author keywords

Brain tumor therapy; Herpes simplex virus; ICP34.5; Medulloblastoma; Nude mouse; Pediatrics

Indexed keywords

ANIMAL MODEL; ANIMAL TISSUE; ANTINEOPLASTIC ACTIVITY; ARTICLE; CONTROLLED STUDY; FEMALE; HERPES SIMPLEX VIRUS 1; HUMAN; HUMAN CELL; IMMUNOHISTOCHEMISTRY; IN SITU HYBRIDIZATION; MEDULLOBLASTOMA; MOUSE; NONHUMAN; NUDE MOUSE; PRIORITY JOURNAL; VIRUS ATTENUATION; VIRUS MUTANT; VIRUS REPLICATION;

EID: 0029906853     PISSN: 00223069     EISSN: None     Source Type: Journal    
DOI: 10.1097/00005072-199612000-00010     Document Type: Article
Times cited : (39)

References (45)
  • 1
    • 0020681679 scopus 로고
    • Incidence of childhood cancer: Experience of a decade in a population-based registry
    • Kramer S, Meadows AT, Jarrett P. Incidence of childhood cancer: Experience of a decade in a population-based registry. J Natl Cancer Inst 1983;70:49-55
    • (1983) J Natl Cancer Inst , vol.70 , pp. 49-55
    • Kramer, S.1    Meadows, A.T.2    Jarrett, P.3
  • 3
    • 0025666785 scopus 로고
    • Central nervous system malignancies in children
    • Geyer JR, Berger M. Central nervous system malignancies in children. NY State J Med 1990;90:601-8
    • (1990) NY State J Med , vol.90 , pp. 601-608
    • Geyer, J.R.1    Berger, M.2
  • 4
    • 84938457755 scopus 로고
    • The cerebellar medulloblastoma and its relationship to primitive neuroectodermal tumors
    • Rorke LB. The cerebellar medulloblastoma and its relationship to primitive neuroectodermal tumors. J Neuropathol Exp Neurol 1983;42:1-15
    • (1983) J Neuropathol Exp Neurol , vol.42 , pp. 1-15
    • Rorke, L.B.1
  • 5
    • 0022965513 scopus 로고
    • Brain tumors in childhood: Statistical analysis of cases from the Brain Tumor Registry of Japan
    • Mori K, Kurisaka M. Brain tumors in childhood: Statistical analysis of cases from the Brain Tumor Registry of Japan. Childs Nerv Syst 1986;2(5):233-37
    • (1986) Childs Nerv Syst , vol.2 , Issue.5 , pp. 233-237
    • Mori, K.1    Kurisaka, M.2
  • 6
    • 0025321925 scopus 로고
    • Brain tumors in childhood and adolescence in west Sweeden 1970-1984. Epidemiology and survival
    • Lannering B, Marky I, Nordburg C. Brain tumors in childhood and adolescence in west Sweeden 1970-1984. Epidemiology and survival. Cancer 1990;66(3):604-9
    • (1990) Cancer , vol.66 , Issue.3 , pp. 604-609
    • Lannering, B.1    Marky, I.2    Nordburg, C.3
  • 7
    • 0028008638 scopus 로고
    • Cerebellar dysplasias in humans: Development and possible relationship to glial and primitive neuroectodermal tumors of the cerebellar vermis
    • Yachnis AT, Rorke LB, Trojanowski JQ. Cerebellar dysplasias in humans: Development and possible relationship to glial and primitive neuroectodermal tumors of the cerebellar vermis. J Neuropathol Exp Neurol 1994;53(1):61-71
    • (1994) J Neuropathol Exp Neurol , vol.53 , Issue.1 , pp. 61-71
    • Yachnis, A.T.1    Rorke, L.B.2    Trojanowski, J.Q.3
  • 8
    • 0029043187 scopus 로고
    • Animal models of medulloblastomas and related primitive neuroectodermal tumors. A review
    • Fung K-M, Trojanowski JQ. Animal models of medulloblastomas and related primitive neuroectodermal tumors. A review. J Neuropathol Exp Neurol 1995;54(3):285-96
    • (1995) J Neuropathol Exp Neurol , vol.54 , Issue.3 , pp. 285-296
    • Fung, K.-M.1    Trojanowski, J.Q.2
  • 9
    • 0026607887 scopus 로고
    • Nestin expression in embryonic human neuroepithelium and in human neuroepithelial tumor cells
    • Tohyama T, Lee VM-Y, Rorke LB, Marvin M, McKay RDG, Trojanowski JQ. Nestin expression in embryonic human neuroepithelium and in human neuroepithelial tumor cells. Lab Invest 1992;66(3):303-13
    • (1992) Lab Invest , vol.66 , Issue.3 , pp. 303-313
    • Tohyama, T.1    Lee, V.M.-Y.2    Rorke, L.B.3    Marvin, M.4    McKay, R.D.G.5    Trojanowski, J.Q.6
  • 10
    • 0023684373 scopus 로고
    • Late recurrence of primitive neuroectodermal tumor/medulloblastoma
    • Lefkowitz IB, Packer RJ, Ryan SG, et al. Late recurrence of primitive neuroectodermal tumor/medulloblastoma. Cancer 1988;62(4):826-30
    • (1988) Cancer , vol.62 , Issue.4 , pp. 826-830
    • Lefkowitz, I.B.1    Packer, R.J.2    Ryan, S.G.3
  • 11
    • 0026338113 scopus 로고
    • The change in patterns of relapse in medulloblastoma
    • Tarbell NJ, Loeffler JS, Silver B, et al. The change in patterns of relapse in medulloblastoma. Cancer 1991;68(7):1600-1604
    • (1991) Cancer , vol.68 , Issue.7 , pp. 1600-1604
    • Tarbell, N.J.1    Loeffler, J.S.2    Silver, B.3
  • 12
    • 0023779815 scopus 로고
    • Medulloblastoma. Staging and treatment outcome
    • Deutsch M. Medulloblastoma. Staging and treatment outcome. International J Rad Onc Bio Physics 1988;14(6):1103-7
    • (1988) International J Rad Onc Bio Physics , vol.14 , Issue.6 , pp. 1103-1107
    • Deutsch, M.1
  • 13
    • 0023096011 scopus 로고
    • Generation of a herpes simplex virus type 1 variant devoid of Xbal sties
    • MacLean AR, Brown SM. Generation of a herpes simplex virus type 1 variant devoid of Xbal sties. J Gen Virol 1987;68: 1165-71
    • (1987) J Gen Virol , vol.68 , pp. 1165-1171
    • MacLean, A.R.1    Brown, S.M.2
  • 14
    • 0025975357 scopus 로고
    • Herpes simplex virus type 1 deletion variants 1714 and 1716 pinpoint neurovirulence-related sequences in Glasgow strain 17+ between immediate early gene 1 and the 'a' sequence
    • MacLean AR, Ul-Fareed M, Robertson L, Harland J, Brown SM. Herpes simplex virus type 1 deletion variants 1714 and 1716 pinpoint neurovirulence-related sequences in Glasgow strain 17+ between immediate early gene 1 and the 'a' sequence. J Gen Virol 1991;72:631-39
    • (1991) J Gen Virol , vol.72 , pp. 631-639
    • MacLean, A.R.1    Ul-Fareed, M.2    Robertson, L.3    Harland, J.4    Brown, S.M.5
  • 15
    • 0029023868 scopus 로고
    • Attenuated multi-mutated herpes simplex virus-1 for the treatment of malignant glioraas
    • Mineta T, Rabkin SD, Yazaki T, Hunter WD, Martuza RL. Attenuated multi-mutated herpes simplex virus-1 for the treatment of malignant glioraas. Nature Med 1995;1(9):938-43
    • (1995) Nature Med , vol.1 , Issue.9 , pp. 938-943
    • Mineta, T.1    Rabkin, S.D.2    Yazaki, T.3    Hunter, W.D.4    Martuza, R.L.5
  • 16
    • 0025864440 scopus 로고
    • Experimental therapy of human malignant glioma by means of a genetically engineered virus mutant
    • Martuza RL, Malick A, Markert JM, Ruffner KL, Coen DM. Experimental therapy of human malignant glioma by means of a genetically engineered virus mutant. Science 1991;252(5007):854-56
    • (1991) Science , vol.252 , Issue.5007 , pp. 854-856
    • Martuza, R.L.1    Malick, A.2    Markert, J.M.3    Ruffner, K.L.4    Coen, D.M.5
  • 17
    • 0027419624 scopus 로고
    • Reduction and elimination of encephalitis in an experimental glioma therapy model with attenuated herpes simplex mutants that retain susceptibility to acyclovir
    • Marken JM, Malick A, Coen DM, Martuza RL. Reduction and elimination of encephalitis in an experimental glioma therapy model with attenuated herpes simplex mutants that retain susceptibility to acyclovir. Neurosurgery 1993;32:597-603
    • (1993) Neurosurgery , vol.32 , pp. 597-603
    • Marken, J.M.1    Malick, A.2    Coen, D.M.3    Martuza, R.L.4
  • 18
    • 0028892032 scopus 로고
    • Therapy of experimental brain tumors using a neuroattenuated herpes simplex virus mutant
    • Kesari S, Randazzo BP, Vali-Nagy T, et al. Therapy of experimental brain tumors using a neuroattenuated herpes simplex virus mutant. Lab Invest 1995;73(5):636-48
    • (1995) Lab Invest , vol.73 , Issue.5 , pp. 636-648
    • Kesari, S.1    Randazzo, B.P.2    Vali-Nagy, T.3
  • 19
    • 0022646583 scopus 로고
    • Infections with herpes simplex viruses. (First of two parts)
    • Corey L, Spear PG. Infections with herpes simplex viruses. (First of two parts). New Engl J Med 1986;314:686-91
    • (1986) New Engl J Med , vol.314 , pp. 686-691
    • Corey, L.1    Spear, P.G.2
  • 20
    • 0022618352 scopus 로고
    • Infections with herpes simplex viruses. (Second of two parts)
    • Corey L, Spear PG. Infections with herpes simplex viruses. (Second of two parts). New Engl J Med 1986;314:749-57
    • (1986) New Engl J Med , vol.314 , pp. 749-757
    • Corey, L.1    Spear, P.G.2
  • 21
    • 0026803151 scopus 로고
    • The latency-associated transcripts of herpes simplex virus: RNA in search of function
    • Fraser NW, Block TM, Spivack JG. The latency-associated transcripts of herpes simplex virus: RNA in search of function. Virology 1992;191:1-8
    • (1992) Virology , vol.191 , pp. 1-8
    • Fraser, N.W.1    Block, T.M.2    Spivack, J.G.3
  • 22
    • 0022624899 scopus 로고
    • Identification, properties, and gene location of a novel glycoprotein specified by herpes simplex virus 1
    • Ackermann M, Longnecker R, Roizman B, Pereira L. Identification, properties, and gene location of a novel glycoprotein specified by herpes simplex virus 1. Virology 1986;150:207-20
    • (1986) Virology , vol.150 , pp. 207-220
    • Ackermann, M.1    Longnecker, R.2    Roizman, B.3    Pereira, L.4
  • 23
    • 0025688373 scopus 로고
    • Mapping of herpes simplex virus-1 neurovirulence to gamma 1 34.5, a gene nonessential for growth in culture
    • Chou J, Kern ER, Whitley RJ, Roizman B. Mapping of herpes simplex virus-1 neurovirulence to gamma 1 34.5, a gene nonessential for growth in culture. Science 1990;250:1262-66
    • (1990) Science , vol.250 , pp. 1262-1266
    • Chou, J.1    Kern, E.R.2    Whitley, R.J.3    Roizman, B.4
  • 24
    • 0026333513 scopus 로고
    • Comparative sequence analysis of the long repeat regions and adjoining parts of the long unique regions in the genomes of herpes simplex viruses types 1 and 2
    • McGeoch DJ, Cunningham C, McIntyre G, Dolan A. Comparative sequence analysis of the long repeat regions and adjoining parts of the long unique regions in the genomes of herpes simplex viruses types 1 and 2. J Gen Virol 1991;72:3057-75
    • (1991) J Gen Virol , vol.72 , pp. 3057-3075
    • McGeoch, D.J.1    Cunningham, C.2    McIntyre, G.3    Dolan, A.4
  • 25
    • 0025285806 scopus 로고
    • The JH2604 deletion variant of herpes simplex virus type 2 (HG52) fails to produce necrotizing encephalitis following intracranial inoculation of mice
    • Taha MY, Brown SM, Clements GB, Graham DI. The JH2604 deletion variant of herpes simplex virus type 2 (HG52) fails to produce necrotizing encephalitis following intracranial inoculation of mice. J Gen Virol 1990;71:1597-1601
    • (1990) J Gen Virol , vol.71 , pp. 1597-1601
    • Taha, M.Y.1    Brown, S.M.2    Clements, G.B.3    Graham, D.I.4
  • 26
    • 0028931228 scopus 로고
    • Comparison of genetically engineered herpes simplex viruses for the treatment of brain tumors in a scid mouse model of human malignant glioma
    • Chambers R, Gillespie GY, Soroceanu L, et al. Comparison of genetically engineered herpes simplex viruses for the treatment of brain tumors in a scid mouse model of human malignant glioma. Proc Natl Acad Sci 1995;92:1411-15
    • (1995) Proc Natl Acad Sci , vol.92 , pp. 1411-1415
    • Chambers, R.1    Gillespie, G.Y.2    Soroceanu, L.3
  • 27
    • 0028085566 scopus 로고
    • Cell type and cell state determine differential in vitro growth of non-neurovirulent ICP34.5-negative herpes simplex virus types 1 and 2
    • Brown SM, Harland J, MacLean AR, Podlech J, Clements JB. Cell type and cell state determine differential in vitro growth of non-neurovirulent ICP34.5-negative herpes simplex virus types 1 and 2. J Gen Virol 1994;75:2367-77
    • (1994) J Gen Virol , vol.75 , pp. 2367-2377
    • Brown, S.M.1    Harland, J.2    MacLean, A.R.3    Podlech, J.4    Clements, J.B.5
  • 28
    • 0028147382 scopus 로고
    • ICP 34.5 mutants of herpes simplex virus type 1 strain 17syn+ are attenuated for neurovirulence in mice and for replication in confluent primary mouse embryo cell cultures
    • Bolovan CA, Sawtell NM, Thompson RL. ICP 34.5 mutants of herpes simplex virus type 1 strain 17syn+ are attenuated for neurovirulence in mice and for replication in confluent primary mouse embryo cell cultures. J Virol 1994;68:48-55
    • (1994) J Virol , vol.68 , pp. 48-55
    • Bolovan, C.A.1    Sawtell, N.M.2    Thompson, R.L.3
  • 29
    • 0026539149 scopus 로고
    • The γ34.5 gene of herpes simplex virus 1 precludes neuroblastoma cells from triggering total shutoff of protein synthesis characteristic of programmed cell death in neuronal cells
    • Chou J, Roizman B. The γ34.5 gene of herpes simplex virus 1 precludes neuroblastoma cells from triggering total shutoff of protein synthesis characteristic of programmed cell death in neuronal cells. Proc Natl Acad Sci USA 1992;89(8):3266-70
    • (1992) Proc Natl Acad Sci USA , vol.89 , Issue.8 , pp. 3266-3270
    • Chou, J.1    Roizman, B.2
  • 30
    • 0028970730 scopus 로고
    • Association of a M(r) 90,000 phosphoprotein with protein kinase PKR in cells exhibiting enhanced phosphorylation of translation initiation factor eIF2α and premature shutoff of protein synthesis after infection with γ134.5-mutants of herpes simplex virus 1
    • Chou J, Chen J-J, Gross M, Roizman B. Association of a M(r) 90,000 phosphoprotein with protein kinase PKR in cells exhibiting enhanced phosphorylation of translation initiation factor eIF2α and premature shutoff of protein synthesis after infection with γ134.5-mutants of herpes simplex virus 1. Proc Natl Acad Sci USA 1995;92:10516-20
    • (1995) Proc Natl Acad Sci USA , vol.92 , pp. 10516-10520
    • Chou, J.1    Chen, J.-J.2    Gross, M.3    Roizman, B.4
  • 31
    • 0028141887 scopus 로고
    • The HSV-1 strain 17+ gamma 34.5 deletion mutant 1716 is avirulent in SCID mice
    • Valyi-Nagy T, Fareed MU, O'Keefe JS, et al. The HSV-1 strain 17+ gamma 34.5 deletion mutant 1716 is avirulent in SCID mice. J Gen Virol 1994;75:2059-63
    • (1994) J Gen Virol , vol.75 , pp. 2059-2063
    • Valyi-Nagy, T.1    Fareed, M.U.2    O'Keefe, J.S.3
  • 32
    • 0022403043 scopus 로고
    • Establishment and characterization of the human medulloblastoma cell line and transplantable xenograft D283 Med
    • Friedman HS, Burger PC, Bigner SH, et al. Establishment and characterization of the human medulloblastoma cell line and transplantable xenograft D283 Med. J Neuropathol Exp Neurol 1985;44(6): 592-605
    • (1985) J Neuropathol Exp Neurol , vol.44 , Issue.6 , pp. 592-605
    • Friedman, H.S.1    Burger, P.C.2    Bigner, S.H.3
  • 33
    • 0023472243 scopus 로고
    • Detection of herpes simplex type 1 transcripts during latent infection in mice
    • Spivack JG, Fraser NW. Detection of herpes simplex type 1 transcripts during latent infection in mice. J Virol 1987;61:3841-47
    • (1987) J Virol , vol.61 , pp. 3841-3847
    • Spivack, J.G.1    Fraser, N.W.2
  • 34
    • 0026489265 scopus 로고
    • Herpes simplex virus type 1 mutant strain in 1814 establishes a unique, slowly progressing infection in SCID mice
    • Valyi-Nagy T, Deshmane SL, Raengsakulrach B, et al. Herpes simplex virus type 1 mutant strain in 1814 establishes a unique, slowly progressing infection in SCID mice. J Virol 1992;66:7336-45
    • (1992) J Virol , vol.66 , pp. 7336-7345
    • Valyi-Nagy, T.1    Deshmane, S.L.2    Raengsakulrach, B.3
  • 35
    • 0020666899 scopus 로고
    • Antigenic variants of herpes simplex virus selected with glycoprotein-specific monoclonal antibodies
    • Holland TC, Marlin SD, Levine, M Glorioso J. Antigenic variants of herpes simplex virus selected with glycoprotein-specific monoclonal antibodies. J Virol 1983;45:672-82
    • (1983) J Virol , vol.45 , pp. 672-682
    • Holland, T.C.1    Marlin, S.D.2    Levine, M.3    Glorioso, J.4
  • 36
    • 0025330793 scopus 로고
    • Identification of a site on herpes simplex virus type 1 glycoprotein D that is essential for infectivity
    • Muggeridge MI, Wilcox WC, Cohen GH, Eisenberg RJ. Identification of a site on herpes simplex virus type 1 glycoprotein D that is essential for infectivity. J Virol 1990;64:3617-26
    • (1990) J Virol , vol.64 , pp. 3617-3626
    • Muggeridge, M.I.1    Wilcox, W.C.2    Cohen, G.H.3    Eisenberg, R.J.4
  • 37
    • 0026752584 scopus 로고
    • The structural basis of C3b binding by glycoprotein C of Herpes Simplex Virus
    • Hung S-L, Srinivasan S, Friedman HM, Eisenberg RJ, Cohen GH. The structural basis of C3b binding by glycoprotein C of Herpes Simplex Virus. J Virol 1992;66(7):4013-27
    • (1992) J Virol , vol.66 , Issue.7 , pp. 4013-4027
    • Hung, S.-L.1    Srinivasan, S.2    Friedman, H.M.3    Eisenberg, R.J.4    Cohen, G.H.5
  • 38
    • 0027380174 scopus 로고
    • Neurons derived from a human teratocarcinoma cell line establishes molecular and structural polarity following transplantation into the rodent brain
    • Trojanowski JQ, Mantione JR, Lee JH, et al. Neurons derived from a human teratocarcinoma cell line establishes molecular and structural polarity following transplantation into the rodent brain. Experimental Neurology 1993;122:283-94
    • (1993) Experimental Neurology , vol.122 , pp. 283-294
    • Trojanowski, J.Q.1    Mantione, J.R.2    Lee, J.H.3
  • 39
    • 0028360225 scopus 로고
    • In vivo and in vitro models of medulloblastomas and other primitive neuroectodermal brain tumors of childhood
    • Trojanowski JQ, Fung K-M, Rorke LB, Tohyama T, Yachnis AT, Lee VM-Y. In vivo and in vitro models of medulloblastomas and other primitive neuroectodermal brain tumors of childhood. Mol Chem Neuropath 1994;21(2-3):219-39
    • (1994) Mol Chem Neuropath , vol.21 , Issue.2-3 , pp. 219-239
    • Trojanowski, J.Q.1    Fung, K.-M.2    Rorke, L.B.3    Tohyama, T.4    Yachnis, A.T.5    Lee, V.M.-Y.6
  • 40
    • 0023856251 scopus 로고
    • Latent herpes simplex virus type 1 transcripts in peripheral and central nervous system tissues of mice map to similar regions of the viral genome
    • Deatly AM, Spivack JG, Lavi E, O'Boyle DR2, Fraser NW. Latent herpes simplex virus type 1 transcripts in peripheral and central nervous system tissues of mice map to similar regions of the viral genome. J Virol 1988;62:749-56
    • (1988) J Virol , vol.62 , pp. 749-756
    • Deatly, A.M.1    Spivack, J.G.2    Lavi, E.3    O'Boyle II, D.R.4    Fraser, N.W.5
  • 41
    • 0029810064 scopus 로고    scopus 로고
    • Selective vulnerability of mouse CNS neurons to latent infection with a neuroattenuated herpes simplex virus-1
    • Kesari S, Lee VM-Y, Brown SM, Trojanowski JQ, Fraser NW. Selective vulnerability of mouse CNS neurons to latent infection with a neuroattenuated herpes simplex virus-1. J Neurosci 1996;16:5644-53
    • (1996) J Neurosci , vol.16 , pp. 5644-5653
    • Kesari, S.1    Lee, V.M.-Y.2    Brown, S.M.3    Trojanowski, J.Q.4    Fraser, N.W.5
  • 42
    • 0026034969 scopus 로고
    • Investigation of herpes simplex virus type 1 (HSV-1) gene expression and DNA synthesis during the establishment of latent infection by an HSV-1 variant, in1814, that does not replicate in mouse trigeminal ganglia
    • Valyi-Nagy T, Deshmane SL, Spivack JG, et al. Investigation of herpes simplex virus type 1 (HSV-1) gene expression and DNA synthesis during the establishment of latent infection by an HSV-1 variant, in1814, that does not replicate in mouse trigeminal ganglia. J Gen Virol 1991;72:641-49
    • (1991) J Gen Virol , vol.72 , pp. 641-649
    • Valyi-Nagy, T.1    Deshmane, S.L.2    Spivack, J.G.3
  • 43
    • 0021231339 scopus 로고
    • The immunocytochemical detection of herpes simplex virus in cervical smears - A valuable technique for routine use
    • Adams RL, Springall DR, Levene MM, Bushell TE. The immunocytochemical detection of herpes simplex virus in cervical smears - a valuable technique for routine use. J Pathol 1984;143(4): 241-47
    • (1984) J Pathol , vol.143 , Issue.4 , pp. 241-247
    • Adams, R.L.1    Springall, D.R.2    Levene, M.M.3    Bushell, T.E.4
  • 44
    • 0029113725 scopus 로고
    • Treatment of experimental intracranial murine melanoma with a neuro-attenuated herpes simpex virus-1 mutant
    • Randazzo BP, Kesari S, Gesser RM, et al. Treatment of experimental intracranial murine melanoma with a neuro-attenuated herpes simpex virus-1 mutant. Virol 1995;211(1):94-101
    • (1995) Virol , vol.211 , Issue.1 , pp. 94-101
    • Randazzo, B.P.1    Kesari, S.2    Gesser, R.M.3
  • 45
    • 0028501457 scopus 로고
    • Antitumor activity and reporter gene transfer into rat brain neoplasms inoculated with herpes simplex virus vectors defective in thymidine kinase or ribonucleotide reductase
    • Boviatis EJ, Scharf JM, Chase M, et al. Antitumor activity and reporter gene transfer into rat brain neoplasms inoculated with herpes simplex virus vectors defective in thymidine kinase or ribonucleotide reductase. Gene Therapy 1994;1:323-31
    • (1994) Gene Therapy , vol.1 , pp. 323-331
    • Boviatis, E.J.1    Scharf, J.M.2    Chase, M.3


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