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Volumn 36, Issue 2, 2014, Pages 165-175

A copper chelate selectively triggers apoptosis in myeloid-derived suppressor cells in a drug-resistant tumor model and enhances antitumor immune response

Author keywords

Drug resistant cancer; Fas mediated apoptosis; Immunomodulation; Schiff base metal chelates; Th1 response

Indexed keywords

COPPER N(2 HYDROXY ACETOPHENONE)GLYCINATE; DOXORUBICIN; FAS ANTIGEN; FAS LIGAND; IMMUNOMODULATING AGENT; METAL CHELATE; UNCLASSIFIED DRUG;

EID: 84897855568     PISSN: 08923973     EISSN: 15322513     Source Type: Journal    
DOI: 10.3109/08923973.2014.897727     Document Type: Article
Times cited : (13)

References (47)
  • 1
    • 84866784798 scopus 로고    scopus 로고
    • Leukocyte complexity predicts breast cancer survival and functionally regulates response to chemotherapy
    • DeNardo DG, Brennan DJ, Rexhepaj E, et al. Leukocyte complexity predicts breast cancer survival and functionally regulates response to chemotherapy. Cancer Discov 2011;1: 54-67.
    • (2011) Cancer Discov , vol.1 , pp. 54-67
    • Denardo, D.G.1    Brennan, D.J.2    Rexhepaj, E.3
  • 2
    • 84255196931 scopus 로고    scopus 로고
    • Immune microenvironments in solid tumors: New targets for therapy
    • Shiao SL, Ganesan AP, Rugo HS, Coussens LM. Immune microenvironments in solid tumors: new targets for therapy. Genes Dev 2011;25: 2559-2572.
    • (2011) Genes Dev , vol.25 , pp. 2559-2572
    • Shiao, S.L.1    Ganesan, A.P.2    Rugo, H.S.3    Coussens, L.M.4
  • 3
    • 16844379997 scopus 로고    scopus 로고
    • Immunosuppressive networks in the tumour environment and their therapeutic relevance
    • Zou W. Immunosuppressive networks in the tumour environment and their therapeutic relevance. Nat Rev Cancer 2005;5: 263-274.
    • (2005) Nat Rev Cancer , vol.5 , pp. 263-274
    • Zou, W.1
  • 4
    • 61349100687 scopus 로고    scopus 로고
    • Myeloid-derived suppressor cells as regulators of the immune system
    • Gabrilovich DI, Nagaraj S. Myeloid-derived suppressor cells as regulators of the immune system. Nat Rev Immunol 2009;9: 162-174.
    • (2009) Nat Rev Immunol , vol.9 , pp. 162-174
    • Gabrilovich, D.I.1    Nagaraj, S.2
  • 5
    • 38049181485 scopus 로고    scopus 로고
    • Reversion of immune tolerance in advanced malignancy: Modulation of myeloid-derived suppressor cell development by blockade of stem-cell factor function
    • Pan PY, Wang GX, Yin B, et al. Reversion of immune tolerance in advanced malignancy: modulation of myeloid-derived suppressor cell development by blockade of stem-cell factor function. Blood 2008;111: 219-228.
    • (2008) Blood , vol.111 , pp. 219-228
    • Pan, P.Y.1    Wang, G.X.2    Yin, B.3
  • 6
    • 34548805636 scopus 로고    scopus 로고
    • Cross-talk between myeloid-derived suppressor cells and macrophages subverts tumor immunity toward a type 2 response
    • Sinha P, Clements VK, Bunt SK, et al. Cross-talk between myeloid-derived suppressor cells and macrophages subverts tumor immunity toward a type 2 response. J Immunol 2007;179: 977-983.
    • (2007) J Immunol , vol.179 , pp. 977-983
    • Sinha, P.1    Clements, V.K.2    Bunt, S.K.3
  • 7
    • 70249140303 scopus 로고    scopus 로고
    • Myeloid-derived suppressor cells down-regulate l-selectin expression on cd4+ and cd8+ t cells
    • Hanson EM, Clements VK, Sinha P, et al. Myeloid-derived suppressor cells down-regulate L-selectin expression on CD4+ and CD8+ T cells. J Immunol 2009;183: 937-944.
    • (2009) J Immunol , vol.183 , pp. 937-944
    • Hanson, E.M.1    Clements, V.K.2    Sinha, P.3
  • 8
    • 34248172324 scopus 로고    scopus 로고
    • Altered macrophage differentiation and immune dysfunction in tumor development
    • Sica A, Bronte V. Altered macrophage differentiation and immune dysfunction in tumor development. J Clin Invest 2007;117: 1155-1166.
    • (2007) J Clin Invest , vol.117 , pp. 1155-1166
    • Sica, A.1    Bronte, V.2
  • 9
    • 78649674576 scopus 로고    scopus 로고
    • Targeting immune suppressing myeloid-derived suppressor cells in oncology
    • Kao J, Ko EC, Sikora AT, et al. Targeting immune suppressing myeloid-derived suppressor cells in oncology. Crit Rev Oncol Hematol 2011;77: 12-19.
    • (2011) Crit Rev Oncol Hematol , vol.77 , pp. 12-19
    • Kao, J.1    Ko, E.C.2    Sikora, A.T.3
  • 10
    • 0042591427 scopus 로고    scopus 로고
    • All-trans-retinoic acid eliminates immature myeloid cells from tumor-bearing mice and improves the effect of vaccination
    • Kusmartsev S, Cheng F, Yu B, et al. All-trans-retinoic acid eliminates immature myeloid cells from tumor-bearing mice and improves the effect of vaccination. Cancer Res 2003;63: 4441-4449.
    • (2003) Cancer Res , vol.63 , pp. 4441-4449
    • Kusmartsev, S.1    Cheng, F.2    Yu, B.3
  • 11
    • 34548125294 scopus 로고    scopus 로고
    • Vascular endothelial growth factor-trap overcomes defects in dendritic cell differentiation but does not improve antigen-specific immune responses
    • Fricke I, Mirza N, Dupont J, et al. Vascular endothelial growth factor-trap overcomes defects in dendritic cell differentiation but does not improve antigen-specific immune responses. Clin Cancer Res 2007;13: 4840-4848.
    • (2007) Clin Cancer Res , vol.13 , pp. 4840-4848
    • Fricke, I.1    Mirza, N.2    Dupont, J.3
  • 12
    • 84872240349 scopus 로고    scopus 로고
    • Cimetidine suppresses lung tumor growth in mice through proapoptosis of myeloid-derived suppressor cells
    • Zhenga Y, Xub M, Li X, et al. Cimetidine suppresses lung tumor growth in mice through proapoptosis of myeloid-derived suppressor cells. Mol Immunol 2013;54: 74-83.
    • (2013) Mol Immunol , vol.54 , pp. 74-83
    • Zhenga, Y.1    Xub, M.2    Li, X.3
  • 13
    • 25144466458 scopus 로고    scopus 로고
    • Gemcitabine selectively eliminates splenic gr-1+/cd11b+ myeloid suppressor cells in tumor-bearing animals and enhances antitumor immune activity
    • Suzuki E, Kapoor V, Jassar AS, et al. Gemcitabine selectively eliminates splenic Gr-1+/CD11b+ myeloid suppressor cells in tumor-bearing animals and enhances antitumor immune activity. Clin Cancer Res 2005;11: 6713-6721.
    • (2005) Clin Cancer Res , vol.11 , pp. 6713-6721
    • Suzuki, E.1    Kapoor, V.2    Jassar, A.S.3
  • 14
    • 77951086882 scopus 로고    scopus 로고
    • 5-fluorouracil selectively kills tumor-associated myeloid-derived suppressor cells resulting in enhanced t cell-dependent antitumor immunity
    • Vincent J, Mignot G, Chalmin F, et al. 5-Fluorouracil selectively kills tumor-associated myeloid-derived suppressor cells resulting in enhanced T cell-dependent antitumor immunity. Cancer Res 2010; 70: 3052-3061.
    • (2010) Cancer Res , vol.70 , pp. 3052-3061
    • Vincent, J.1    Mignot, G.2    Chalmin, F.3
  • 15
    • 10744220561 scopus 로고    scopus 로고
    • Transforming growth factorbeta production and myeloid cells are an effector mechanism through which cd1d-restricted t cells block cytotoxic t lymphocyte- mediated tumor immunosurveillance: Abrogation prevents tumor recurrence
    • Terabe M, Matsui S, Park JM, et al. Transforming growth factorbeta production and myeloid cells are an effector mechanism through which CD1d-restricted T cells block cytotoxic T lymphocyte- mediated tumor immunosurveillance: abrogation prevents tumor recurrence. J Exp Med 2003;198: 1741-1752.
    • (2003) J Exp Med , vol.198 , pp. 1741-1752
    • Terabe, M.1    Matsui, S.2    Park, J.M.3
  • 16
    • 33845997430 scopus 로고    scopus 로고
    • Chemoprevention by cyclooxygenase-2 inhibition reduces immature myeloid suppressor cell expansion
    • Talmadge JE, Hood KC, Zobel LC, et al. Chemoprevention by cyclooxygenase-2 inhibition reduces immature myeloid suppressor cell expansion. Int Immunopharmacol 2007;7: 140-151.
    • (2007) Int Immunopharmacol , vol.7 , pp. 140-151
    • Talmadge, J.E.1    Hood, K.C.2    Zobel, L.C.3
  • 17
    • 20244367914 scopus 로고    scopus 로고
    • Arginase-producing myeloid suppressor cells in renal cell carcinoma patients: A mechanism of tumor evasion
    • Zea AH, Rodriguez PC, Atkins MB, et al. Arginase-producing myeloid suppressor cells in renal cell carcinoma patients: a mechanism of tumor evasion. Cancer Res 2005;65: 3044-3048.
    • (2005) Cancer Res , vol.65 , pp. 3044-3048
    • Zea, A.H.1    Rodriguez, P.C.2    Atkins, M.B.3
  • 18
    • 33751531874 scopus 로고    scopus 로고
    • Phosphodiesterase-5 inhibition augments endogenous antitumor immunity by reducing myeloid-derived suppressor cell function
    • Serafini P, Meckel K, Kelso M, et al. Phosphodiesterase-5 inhibition augments endogenous antitumor immunity by reducing myeloid-derived suppressor cell function. J Exp Med 2006;203: 2691-2702.
    • (2006) J Exp Med , vol.203 , pp. 2691-2702
    • Serafini, P.1    Meckel, K.2    Kelso, M.3
  • 19
    • 20144375187 scopus 로고    scopus 로고
    • Nitroaspirin corrects immune dysfunction in tumor-bearing hosts and promotes tumor eradication by cancer vaccination
    • De Santo C, Serafini P, Marigo I, et al. Nitroaspirin corrects immune dysfunction in tumor-bearing hosts and promotes tumor eradication by cancer vaccination. Proc Natl Acad Sci USA 2005; 102: 4185-4190.
    • (2005) Proc Natl Acad Sci USA , vol.102 , pp. 4185-4190
    • De Santo, C.1    Serafini, P.2    Marigo, I.3
  • 20
    • 84875462761 scopus 로고    scopus 로고
    • Myeloid-derived suppressor cells suppress antitumor immune responses through ido expression and correlate with lymph node metastasis in patients with breast cancer
    • Yu J, Du W, Yan F, et al. Myeloid-derived suppressor cells suppress antitumor immune responses through IDO expression and correlate with lymph node metastasis in patients with breast cancer. J Immunol 2013;190: 3783-3797.
    • (2013) J Immunol , vol.190 , pp. 3783-3797
    • Yu, J.1    Du, W.2    Yan, F.3
  • 21
    • 0142188558 scopus 로고    scopus 로고
    • Synthesis, characterization and biological properties of a novel copper complex
    • Majumder S, Panda GS, Kumar Choudhuri S. Synthesis, characterization and biological properties of a novel copper complex. Eur J Med Chem 2003;38: 893-898.
    • (2003) Eur J Med Chem , vol.38 , pp. 893-898
    • Majumder, S.1    Panda, G.S.2    Kumar Choudhuri, S.3
  • 22
    • 34047202592 scopus 로고    scopus 로고
    • Overcoming drugresistant cancer by a newly developed copper chelate through hostprotective cytokine-mediated apoptosis
    • Mookerjee A, Mookerjee Basu J, Dutta P, et al. Overcoming drugresistant cancer by a newly developed copper chelate through hostprotective cytokine-mediated apoptosis. Clin Cancer Res 2006;12: 4339-4349.
    • (2006) Clin Cancer Res , vol.12 , pp. 4339-4349
    • Mookerjee, A.1    Mookerjee Basu, J.2    Dutta, P.3
  • 23
    • 70349488306 scopus 로고    scopus 로고
    • A novel copper chelate modulates tumor associated macrophages to promote anti-tumor response of t cells
    • Chatterjee S, Mookerjee A, Basu JM, et al. A novel copper chelate modulates tumor associated macrophages to promote anti-tumor response of T cells. PLoS One 2009;4:e7048.
    • (2009) PLoS One , vol.4
    • Chatterjee, S.1    Mookerjee, A.2    Basu, J.M.3
  • 24
    • 84860844691 scopus 로고    scopus 로고
    • Reprogramming of tam toward proimmunogenic type through regulation of map kinases using a redox-active copper chelate
    • Chakraborty P, Chatterjee S, Ganguly A, et al. Reprogramming of TAM toward proimmunogenic type through regulation of MAP kinases using a redox-active copper chelate. J Leukoc Biol 2012;91: 609-619.
    • (2012) J Leukoc Biol , vol.91 , pp. 609-619
    • Chakraborty, P.1    Chatterjee, S.2    Ganguly, A.3
  • 25
    • 34250359119 scopus 로고    scopus 로고
    • MyD88-dependent expansion of an immature gr-1(+)cd11b(+) population induces t cell suppression and th2 polarization in sepsis
    • Delano MJ, Scumpia PO, Weinstein JS, et al. MyD88-dependent expansion of an immature GR-1(+)CD11b(+) population induces T cell suppression and Th2 polarization in sepsis. J Exp Med 2007; 204: 1463-1474.
    • (2007) J Exp Med , vol.204 , pp. 1463-1474
    • Delano, M.J.1    Scumpia, P.O.2    Weinstein, J.S.3
  • 26
    • 0032533478 scopus 로고    scopus 로고
    • Apoptotic death of cd8+ t lymphocytes after immunization: Induction of a suppressive population of mac-1+/gr-1+ cells
    • Bronte V, Wang M, Overwijk WW, et al. Apoptotic death of CD8+ T lymphocytes after immunization: induction of a suppressive population of Mac-1+/Gr-1+ cells. J Immunol 1998;161: 5313-5320.
    • (1998) J Immunol , vol.161 , pp. 5313-5320
    • Bronte, V.1    Wang, M.2    Overwijk, W.W.3
  • 27
    • 32044439372 scopus 로고    scopus 로고
    • CD11b+/gr-1+ myeloid suppressor cells cause t cell dysfunction after traumatic stress
    • Makarenkova VP, Bansal V, Matta BM, et al. CD11b+/Gr-1+ myeloid suppressor cells cause T cell dysfunction after traumatic stress. J Immunol 2006;176: 2085-2094.
    • (2006) J Immunol , vol.176 , pp. 2085-2094
    • Makarenkova, V.P.1    Bansal, V.2    Matta, B.M.3
  • 28
    • 38449100026 scopus 로고    scopus 로고
    • CD11b+ly-6c(hi) suppressive monocytes in experimental autoimmune encephalomyelitis
    • Zhu B, Bando Y, Xiao S, et al. CD11b+Ly-6C(hi) suppressive monocytes in experimental autoimmune encephalomyelitis. J Immunol 2007;179: 5228-5237.
    • (2007) J Immunol , vol.179 , pp. 5228-5237
    • Zhu, B.1    Bando, Y.2    Xiao, S.3
  • 29
    • 0026670253 scopus 로고
    • Characterization of tumor cell resistance to 40-deoxy-40-iododoxorubicin developed in ehrlich ascites cells in vivo
    • Friche E, Danks MK, Beck WT. Characterization of tumor cell resistance to 40-deoxy-40-iododoxorubicin developed in Ehrlich ascites cells in vivo. Cancer Res 1992;52: 5701-5706.
    • (1992) Cancer Res , vol.52 , pp. 5701-5706
    • Friche, E.1    Danks, M.K.2    Beck, W.T.3
  • 30
    • 0031788426 scopus 로고    scopus 로고
    • Reversal of resistance against doxorubicin by a newly developed compound, oxalyl bis(nphenyl) hydroxamic acid in vitro
    • Choudhuri SK, Chatterjee A. Reversal of resistance against doxorubicin by a newly developed compound, oxalyl bis(Nphenyl) hydroxamic acid in vitro. Anticancer Drugs 1998;9: 825-832.
    • (1998) Anticancer Drugs , vol.9 , pp. 825-832
    • Choudhuri, S.K.1    Chatterjee, A.2
  • 31
    • 29944442370 scopus 로고    scopus 로고
    • The role of a novel copper complex in overcoming doxorubicin resistance in ehrlich ascites carcinoma cells in vivo
    • Majumder S, Dutta P, Mookerjee A, Choudhuri SK. The role of a novel copper complex in overcoming doxorubicin resistance in Ehrlich ascites carcinoma cells in vivo. Chem Biol Interact 2006; 159: 90-103.
    • (2006) Chem Biol Interact , vol.159 , pp. 90-103
    • Majumder, S.1    Dutta, P.2    Mookerjee, A.3    Choudhuri, S.K.4
  • 32
    • 84875674789 scopus 로고    scopus 로고
    • Myeloid derived suppressor cells (mdscs) can induce the generation of th17 response from naive cd4+ t cells
    • Chatterjee S, Das S, Chakraborty P, et al. Myeloid derived suppressor cells (MDSCs) can induce the generation of Th17 response from naive CD4+ T cells. Immunobiology 2013;218: 718-724.
    • (2013) Immunobiology , vol.218 , pp. 718-724
    • Chatterjee, S.1    Das, S.2    Chakraborty, P.3
  • 33
    • 79954487217 scopus 로고    scopus 로고
    • Redox active copper chelate overcomes multidrug resistance in t-lymphoblastic leukemia cell by triggering apoptosis
    • Ganguly A, Basu S, Banerjee K, et al. Redox active copper chelate overcomes multidrug resistance in T-lymphoblastic leukemia cell by triggering apoptosis. Mol Biosyst 2011;7: 1701-1712.
    • (2011) Mol Biosyst , vol.7 , pp. 1701-1712
    • Ganguly, A.1    Basu, S.2    Banerjee, K.3
  • 34
    • 79956348160 scopus 로고    scopus 로고
    • Myeloid-derived suppressor cells express the death receptor fas and apoptose in response to t cell-expressed fasl
    • Sinha P, Chornoguz O, Clements VK, et al. Myeloid-derived suppressor cells express the death receptor Fas and apoptose in response to T cell-expressed FasL. Blood 2011;117: 5381-5390.
    • (2011) Blood , vol.117 , pp. 5381-5390
    • Sinha, P.1    Chornoguz, O.2    Clements, V.K.3
  • 35
    • 0034641918 scopus 로고    scopus 로고
    • The biochemistry of apoptosis
    • Hengartner MO. The biochemistry of apoptosis. Nature 2000;407: 770-776.
    • (2000) Nature , vol.407 , pp. 770-776
    • Hengartner, M.O.1
  • 36
    • 0034574306 scopus 로고    scopus 로고
    • The multifaceted role of fas signaling in immune cell homeostasis and autoimmunity
    • Siegel RM, Chan FK, Chun HJ, Lenardo MJ. The multifaceted role of Fas signaling in immune cell homeostasis and autoimmunity. Nat Immunol 2000;1: 469-474.
    • (2000) Nat Immunol , vol.1 , pp. 469-474
    • Siegel, R.M.1    Chan, F.K.2    Chun, H.J.3    Lenardo, M.J.4
  • 37
    • 0036364467 scopus 로고    scopus 로고
    • Multidrug resistance in cancer: Role of atp-dependent transporters
    • Gottesman MM, Fojo T, Bates SE. Multidrug resistance in cancer: role of ATP-dependent transporters. Nat Rev Cancer 2002;2: 48-58.
    • (2002) Nat Rev Cancer , vol.2 , pp. 48-58
    • Gottesman, M.M.1    Fojo, T.2    Bates, S.E.3
  • 38
    • 20444412646 scopus 로고    scopus 로고
    • Therapeutic targeting of the tumor microenvironment
    • Joyce JA. Therapeutic targeting of the tumor microenvironment. Cancer Cell 2005;7: 513-520.
    • (2005) Cancer Cell , vol.7 , pp. 513-520
    • Joyce, J.A.1
  • 39
    • 68849128500 scopus 로고    scopus 로고
    • Therapeutic targeting of myeloid-derived suppressor cells
    • Ugel S, Delpozzo F, Desantis G, et al. Therapeutic targeting of myeloid-derived suppressor cells. Curr Opin Pharmacol 2009;9: 470-481.
    • (2009) Curr Opin Pharmacol , vol.9 , pp. 470-481
    • Ugel, S.1    Delpozzo, F.2    Desantis, G.3
  • 40
    • 79954997645 scopus 로고    scopus 로고
    • MiR-223 suppresses differentiation of tumor-induced cd11b(+) gr1(+) myeloid-derived suppressor cells from bone marrow cells
    • Liu Q, Zhang M, Jiang X, et al. miR-223 suppresses differentiation of tumor-induced CD11b(+) Gr1(+) myeloid-derived suppressor cells from bone marrow cells. Int J Cancer 2011;129: 2662-2673.
    • (2011) Int J Cancer , vol.129 , pp. 2662-2673
    • Liu, Q.1    Zhang, M.2    Jiang, X.3
  • 41
    • 33947110515 scopus 로고    scopus 로고
    • The molecular mechanisms that control function and death of effector cd4+ t cells
    • Lu B. The molecular mechanisms that control function and death of effector CD4+ T cells. Immunol Res 2006;36: 275-282.
    • (2006) Immunol Res , vol.36 , pp. 275-282
    • Lu, B.1
  • 42
    • 1542327676 scopus 로고    scopus 로고
    • Kinetic analysis of genomewide gene expression reveals molecule circuitries that control t cell activation and th1/2 differentiation
    • Lu B, Zagouras P, Fischer JE, et al. Kinetic analysis of genomewide gene expression reveals molecule circuitries that control T cell activation and Th1/2 differentiation. Proc Natl Acad Sci USA 2004; 101: 3023-3028.
    • (2004) Proc Natl Acad Sci USA , vol.101 , pp. 3023-3028
    • Lu, B.1    Zagouras, P.2    Fischer, J.E.3
  • 43
  • 44
    • 33847367265 scopus 로고    scopus 로고
    • The janus face of copper: Its expanding role in biology and the pathophysiology of disease
    • Leary SC, Winge DR. The Janus face of copper: its expanding role in biology and the pathophysiology of disease. EMBO Rep 2007;8: 224-227.
    • (2007) EMBO Rep , vol.8 , pp. 224-227
    • Leary, S.C.1    Winge, D.R.2
  • 45
    • 84884919320 scopus 로고    scopus 로고
    • The role of a schiff base scaffold, n-(2-hydroxy acetophenone) glycinate in overcoming multidrug resistance in cancer
    • Ganguly A, Chakraborty P, Banerjee K, Choudhuri SK. The role of a Schiff base scaffold, N-(2-hydroxy acetophenone) glycinate in overcoming multidrug resistance in cancer. Eur J Pharm Sci 2014; 51: 96-109.
    • (2014) Eur J Pharm Sci , vol.51 , pp. 96-109
    • Ganguly, A.1    Chakraborty, P.2    Banerjee, K.3    Choudhuri, S.K.4
  • 46
    • 84882358537 scopus 로고    scopus 로고
    • Effects of chrysin, apigenin, genistein and their homoleptic copper(ii) complexes on the growth and metastatic potential of cancer cells
    • Spoerlein C, Mahal K, Schmidt H, Schobert R. Effects of chrysin, apigenin, genistein and their homoleptic copper(II) complexes on the growth and metastatic potential of cancer cells. J Inorg Biochem 2013;127: 107-115.
    • (2013) J Inorg Biochem , vol.127 , pp. 107-115
    • Spoerlein, C.1    Mahal, K.2    Schmidt, H.3    Schobert, R.4
  • 47
    • 2942744672 scopus 로고    scopus 로고
    • Fas-mediated apoptosome formation is dependent on reactive oxygen species derived from mitochondrial permeability transition in jurkat cells
    • Sato TT, Machida S, Takahashi S, et al. Fas-mediated apoptosome formation is dependent on reactive oxygen species derived from mitochondrial permeability transition in Jurkat cells. J Immunol 2004;173: 285-296.
    • (2004) J Immunol , vol.173 , pp. 285-296
    • Sato, T.T.1    Machida, S.2    Takahashi, S.3


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