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Volumn 76, Issue 23, 2016, Pages 6816-6827

The biodistribution and immune suppressive effects of breast cancer-derived exosomes

Author keywords

[No Author keywords available]

Indexed keywords

CD45 ANTIGEN;

EID: 85002758453     PISSN: 00085472     EISSN: 15387445     Source Type: Journal    
DOI: 10.1158/0008-5472.CAN-16-0868     Document Type: Article
Times cited : (246)

References (55)
  • 3
    • 84905381214 scopus 로고    scopus 로고
    • The tumour-induced systemic environment as a critical regulator of cancer progression and metastasis
    • McAllister SS, Weinberg RA. The tumour-induced systemic environment as a critical regulator of cancer progression and metastasis. Nat Cell Biol 2014;16:717-27.
    • (2014) Nat Cell Biol , vol.16 , pp. 717-727
    • McAllister, S.S.1    Weinberg, R.A.2
  • 4
    • 79952284127 scopus 로고    scopus 로고
    • Hallmarks of cancer: The next generation
    • Hanahan D, Weinberg RA. Hallmarks of cancer: the next generation. Cell 2011;144:646-74.
    • (2011) Cell , vol.144 , pp. 646-674
    • Hanahan, D.1    Weinberg, R.A.2
  • 5
    • 0036676445 scopus 로고    scopus 로고
    • Exosomes: Composition, biogenesis and function
    • Thery C, Zitvogel L, Amigorena S. Exosomes: composition, biogenesis and function. Nat Rev Immunol 2002;2:569-79.
    • (2002) Nat Rev Immunol , vol.2 , pp. 569-579
    • Thery, C.1    Zitvogel, L.2    Amigorena, S.3
  • 6
    • 84860858416 scopus 로고    scopus 로고
    • Exosomes: Current knowledge of their composition, biological functions, and diagnostic and therapeutic potentials
    • Vlassov AV, Magdaleno S, Setterquist R, Conrad R. Exosomes: current knowledge of their composition, biological functions, and diagnostic and therapeutic potentials. Biochim Biophys Acta 2012;1820:940-8.
    • (2012) Biochim Biophys Acta , vol.1820 , pp. 940-948
    • Vlassov, A.V.1    Magdaleno, S.2    Setterquist, R.3    Conrad, R.4
  • 7
    • 62649095692 scopus 로고    scopus 로고
    • Endothelial expression of autocrine VEGF upon the uptake of tumor-derived microvesicles containing oncogenic EGFR
    • Al-Nedawi K, Meehan B, Kerbel RS, Allison AC, Rak J. Endothelial expression of autocrine VEGF upon the uptake of tumor-derived microvesicles containing oncogenic EGFR. Proc Natl Acad Sci U S A 2009;106:3794-9.
    • (2009) Proc Natl Acad Sci U S A , vol.106 , pp. 3794-3799
    • Al-Nedawi, K.1    Meehan, B.2    Kerbel, R.S.3    Allison, A.C.4    Rak, J.5
  • 8
    • 43049139913 scopus 로고    scopus 로고
    • Intercellular transfer of the oncogenic receptor EGFRvIII by microvesicles derived from tumour cells
    • Al-Nedawi K, Meehan B, Micallef J, Lhotak V, May L, Guha A, et al. Intercellular transfer of the oncogenic receptor EGFRvIII by microvesicles derived from tumour cells. Nat Cell Biol 2008;10:619-24.
    • (2008) Nat Cell Biol , vol.10 , pp. 619-624
    • Al-Nedawi, K.1    Meehan, B.2    Micallef, J.3    Lhotak, V.4    May, L.5    Guha, A.6
  • 10
    • 84876927914 scopus 로고    scopus 로고
    • Exosomes reflect the hypoxic status of glioma cells and mediate hypoxia-dependent activation of vascular cells during tumor development
    • Kucharzewska P, Christianson HC, Welch JE, Svensson KJ, Fredlund E, Ringner M, et al. Exosomes reflect the hypoxic status of glioma cells and mediate hypoxia-dependent activation of vascular cells during tumor development. Proc Natl Acad Sci U S A 2013;110:7312-7.
    • (2013) Proc Natl Acad Sci U S A , vol.110 , pp. 7312-7317
    • Kucharzewska, P.1    Christianson, H.C.2    Welch, J.E.3    Svensson, K.J.4    Fredlund, E.5    Ringner, M.6
  • 11
    • 84905818507 scopus 로고    scopus 로고
    • Exosomes in cancer metastasis: Novel targets for diagnosis and therapy?
    • Wen S, Lobb R, Möller A. Exosomes in cancer metastasis: novel targets for diagnosis and therapy? Cancer Forum, Cancer Council Australia 2014;38:116-9.
    • (2014) Cancer Forum, Cancer Council Australia , vol.38 , pp. 116-119
    • Wen, S.1    Lobb, R.2    Möller, A.3
  • 13
    • 84886944303 scopus 로고    scopus 로고
    • Hypoxia-driven immunosuppression contributes to the pre-metastatic niche
    • Sceneay J, Parker BS, Smyth MJ, Moller A. Hypoxia-driven immunosuppression contributes to the pre-metastatic niche. Oncoimmunology 2013;2:e22355.
    • (2013) Oncoimmunology , vol.2
    • Sceneay, J.1    Parker, B.S.2    Smyth, M.J.3    Moller, A.4
  • 15
    • 84862007577 scopus 로고    scopus 로고
    • Melanoma exosomes educate bone marrow progenitor cells toward a pro-metastatic phenotype through MET
    • Peinado H, Aleckovic M, Lavotshkin S, Matei I, Costa-Silva B, Moreno-Bueno G, et al. Melanoma exosomes educate bone marrow progenitor cells toward a pro-metastatic phenotype through MET. Nat Med 2012;18:883-91.
    • (2012) Nat Med , vol.18 , pp. 883-891
    • Peinado, H.1    Aleckovic, M.2    Lavotshkin, S.3    Matei, I.4    Costa-Silva, B.5    Moreno-Bueno, G.6
  • 16
    • 0242525678 scopus 로고    scopus 로고
    • T-cell apoptosis and suppression of T-cell receptor/CD3-zeta by Fas ligand-containing membrane vesicles shed from ovarian tumors
    • Taylor DD, Gercel-Taylor C, Lyons KS, Stanson J, Whiteside TL. T-cell apoptosis and suppression of T-cell receptor/CD3-zeta by Fas ligand-containing membrane vesicles shed from ovarian tumors. Clin Cancer Res 2003;9:5113-9.
    • (2003) Clin Cancer Res , vol.9 , pp. 5113-5119
    • Taylor, D.D.1    Gercel-Taylor, C.2    Lyons, K.S.3    Stanson, J.4    Whiteside, T.L.5
  • 17
    • 64249115813 scopus 로고    scopus 로고
    • Induction of myeloid-derived suppressor cells by tumor exosomes
    • Xiang X, Poliakov A, Liu C, Liu Y, Deng ZB, Wang J, et al. Induction of myeloid-derived suppressor cells by tumor exosomes. Int J Cancer 2009;124:2621-33.
    • (2009) Int J Cancer , vol.124 , pp. 2621-2633
    • Xiang, X.1    Poliakov, A.2    Liu, C.3    Liu, Y.4    Deng, Z.B.5    Wang, J.6
  • 18
    • 84864654660 scopus 로고    scopus 로고
    • Silencing of Irf7 pathways in breast cancer cells promotes bone metastasis through immune escape
    • Bidwell BN, Slaney CY, Withana NP, Forster S, Cao Y, Loi S, et al. Silencing of Irf7 pathways in breast cancer cells promotes bone metastasis through immune escape. Nat Med 2012;18:1224-31.
    • (2012) Nat Med , vol.18 , pp. 1224-1231
    • Bidwell, B.N.1    Slaney, C.Y.2    Withana, N.P.3    Forster, S.4    Cao, Y.5    Loi, S.6
  • 19
    • 58249124333 scopus 로고
    • Sustained enhanced growth of carcinoma EO771 in C57 black mice
    • Casey AE, Laster WRJr., Ross GL. Sustained enhanced growth of carcinoma EO771 in C57 black mice. Exp Biol Med 1951;77:358-62.
    • (1951) Exp Biol Med , vol.77 , pp. 358-362
    • Casey, A.E.1    Laster, W.R.2    Ross, G.L.3
  • 22
    • 84879262343 scopus 로고    scopus 로고
    • The antioxidant N-acetylcysteine prevents HIF-1 stabilization under hypoxia in vitro but does not affect tumorigenesis in multiple breast cancer models in vivo
    • Sceneay J, Liu MC, Chen A, Wong CS, Bowtell DD, Moller A. The antioxidant N-acetylcysteine prevents HIF-1 stabilization under hypoxia in vitro but does not affect tumorigenesis in multiple breast cancer models in vivo. PloS ONE 2013;8:e66388.
    • (2013) PloS ONE , vol.8
    • Sceneay, J.1    Liu, M.C.2    Chen, A.3    Wong, C.S.4    Bowtell, D.D.5    Moller, A.6
  • 25
    • 76649094917 scopus 로고    scopus 로고
    • Proteomics analysis of A33 immunoaffinity-purified exosomes released from the human colon tumor cell line LIM1215 reveals a tissue-specific protein signature
    • Mathivanan S, Lim JW, Tauro BJ, Ji H, Moritz RL, Simpson RJ. Proteomics analysis of A33 immunoaffinity-purified exosomes released from the human colon tumor cell line LIM1215 reveals a tissue-specific protein signature. Mol Cell Proteomics 2010;9:197-208.
    • (2010) Mol Cell Proteomics , vol.9 , pp. 197-208
    • Mathivanan, S.1    Lim, J.W.2    Tauro, B.J.3    Ji, H.4    Moritz, R.L.5    Simpson, R.J.6
  • 26
  • 27
    • 78649939261 scopus 로고    scopus 로고
    • Tunable nano/micropores for particle detection and discrimination: Scanning ion occlusion spectroscopy
    • Roberts GS, Kozak D, Anderson W, Broom MF, Vogel R, Trau M. Tunable nano/micropores for particle detection and discrimination: scanning ion occlusion spectroscopy. Small 2010;6:2653-8.
    • (2010) Small , vol.6 , pp. 2653-2658
    • Roberts, G.S.1    Kozak, D.2    Anderson, W.3    Broom, M.F.4    Vogel, R.5    Trau, M.6
  • 28
    • 0028262128 scopus 로고
    • Determination of lymphocyte division by flow cytometry
    • Lyons AB, Parish CR. Determination of lymphocyte division by flow cytometry. J Immunol Methods 1994;171:131-7.
    • (1994) J Immunol Methods , vol.171 , pp. 131-137
    • Lyons, A.B.1    Parish, C.R.2
  • 29
    • 76249116438 scopus 로고    scopus 로고
    • DNAM-1/CD155 interactions promote cytokine and NK cell-mediated suppression of poorly immunogenic melanoma metastases
    • Chan CJ, Andrews DM, McLaughlin NM, Yagita H, Gilfillan S, Colonna M, et al. DNAM-1/CD155 interactions promote cytokine and NK cell-mediated suppression of poorly immunogenic melanoma metastases. J Immunol 2010;184:902-11.
    • (2010) J Immunol , vol.184 , pp. 902-911
    • Chan, C.J.1    Andrews, D.M.2    McLaughlin, N.M.3    Yagita, H.4    Gilfillan, S.5    Colonna, M.6
  • 30
    • 84865130953 scopus 로고    scopus 로고
    • Primary tumor hypoxia recruits CD11b+/Ly6Cmed/Ly6G+ immune suppressor cells and compromises NK cell cytotoxicity in the premetastatic niche
    • Sceneay J, Chow MT, Chen A, Halse HM, Wong CS, Andrews DM, et al. Primary tumor hypoxia recruits CD11b+/Ly6Cmed/Ly6G+ immune suppressor cells and compromises NK cell cytotoxicity in the premetastatic niche. Cancer Res 2012;72:3906-11.
    • (2012) Cancer Res , vol.72 , pp. 3906-3911
    • Sceneay, J.1    Chow, M.T.2    Chen, A.3    Halse, H.M.4    Wong, C.S.5    Andrews, D.M.6
  • 31
    • 65449117971 scopus 로고    scopus 로고
    • High levels of exosomes expressing CD63 and caveolin-1 in plasma of melanoma patients
    • Logozzi M, De Milito A, Lugini L, Borghi M, Calabro L, Spada M, et al. High levels of exosomes expressing CD63 and caveolin-1 in plasma of melanoma patients. PloS One 2009;4:e5219.
    • (2009) PloS One , vol.4
    • Logozzi, M.1    De Milito, A.2    Lugini, L.3    Borghi, M.4    Calabro, L.5    Spada, M.6
  • 32
    • 0036197006 scopus 로고    scopus 로고
    • Shed membrane fragment-associated markers for endometrial and ovarian cancers
    • Taylor DD, Lyons KS, Gercel-Taylor C. Shed membrane fragment-associated markers for endometrial and ovarian cancers. Gynecol Oncol 2002;84:443-8.
    • (2002) Gynecol Oncol , vol.84 , pp. 443-448
    • Taylor, D.D.1    Lyons, K.S.2    Gercel-Taylor, C.3
  • 33
    • 84897992390 scopus 로고    scopus 로고
    • Subpopulations of myeloid-derived suppressor cells impair T cell responses through independent nitric oxide-related pathways
    • Raber PL, Thevenot P, Sierra R, Wyczechowska D, Halle D, Ramirez ME, et al. Subpopulations of myeloid-derived suppressor cells impair T cell responses through independent nitric oxide-related pathways. Int J Cancer 2014;134:2853-64.
    • (2014) Int J Cancer , vol.134 , pp. 2853-2864
    • Raber, P.L.1    Thevenot, P.2    Sierra, R.3    Wyczechowska, D.4    Halle, D.5    Ramirez, M.E.6
  • 34
    • 84884556145 scopus 로고    scopus 로고
    • History of myeloid-derived suppressor cells
    • Talmadge JE, Gabrilovich DI. History of myeloid-derived suppressor cells. Nat Rev Cancer 2013;13:739-52.
    • (2013) Nat Rev Cancer , vol.13 , pp. 739-752
    • Talmadge, J.E.1    Gabrilovich, D.I.2
  • 35
    • 33751252276 scopus 로고    scopus 로고
    • Cancer metastasis: Building a framework
    • Gupta GP, Massague J. Cancer metastasis: building a framework. Cell 2006;127:679-95.
    • (2006) Cell , vol.127 , pp. 679-695
    • Gupta, G.P.1    Massague, J.2
  • 38
    • 77956264919 scopus 로고    scopus 로고
    • A novel nanoparticle drug delivery system: The anti-inflammatory activity of curcumin is enhanced when encapsulated in exosomes
    • Sun D, Zhuang X, Xiang X, Liu Y, Zhang S, Liu C, et al. A novel nanoparticle drug delivery system: the anti-inflammatory activity of curcumin is enhanced when encapsulated in exosomes. Mol Ther 2010;18:1606-14.
    • (2010) Mol Ther , vol.18 , pp. 1606-1614
    • Sun, D.1    Zhuang, X.2    Xiang, X.3    Liu, Y.4    Zhang, S.5    Liu, C.6
  • 39
    • 80053574021 scopus 로고    scopus 로고
    • Treatment of brain inflammatory diseases by delivering exosome encapsulated anti-inflammatory drugs from the nasal region to the brain
    • Zhuang X, Xiang X, Grizzle W, Sun D, Zhang S, Axtell RC, et al. Treatment of brain inflammatory diseases by delivering exosome encapsulated anti-inflammatory drugs from the nasal region to the brain. Mol Ther 2011;19:1769-79.
    • (2011) Mol Ther , vol.19 , pp. 1769-1779
    • Zhuang, X.1    Xiang, X.2    Grizzle, W.3    Sun, D.4    Zhang, S.5    Axtell, R.C.6
  • 40
    • 34047220868 scopus 로고    scopus 로고
    • Cancer immunoediting from immune surveillance to immune escape
    • Kim R, Emi M, Tanabe K. Cancer immunoediting from immune surveillance to immune escape. Immunology 2007;121:1-14.
    • (2007) Immunology , vol.121 , pp. 1-14
    • Kim, R.1    Emi, M.2    Tanabe, K.3
  • 41
    • 34247607233 scopus 로고    scopus 로고
    • T84-intestinal epithelial exosomes bear MHC class II/peptide complexes potentiating antigen presentation by dendritic cells
    • Mallegol J, Van Niel G, Lebreton C, Lepelletier Y, Candalh C, Dugave C, et al. T84-intestinal epithelial exosomes bear MHC class II/peptide complexes potentiating antigen presentation by dendritic cells. Gastroenterology 2007;132:1866-76.
    • (2007) Gastroenterology , vol.132 , pp. 1866-1876
    • Mallegol, J.1    Van Niel, G.2    Lebreton, C.3    Lepelletier, Y.4    Candalh, C.5    Dugave, C.6
  • 42
    • 84863439963 scopus 로고    scopus 로고
    • Toward tailored exosomes: The exosomal tetraspanin web contributes to target cell selection
    • Rana S, Yue S, Stadel D, Zoller M. Toward tailored exosomes: the exosomal tetraspanin web contributes to target cell selection. Int J Biochem Cell Biol 2012;44:1574-84.
    • (2012) Int J Biochem Cell Biol , vol.44 , pp. 1574-1584
    • Rana, S.1    Yue, S.2    Stadel, D.3    Zoller, M.4
  • 43
    • 34548655590 scopus 로고    scopus 로고
    • CD8+ dendritic cells use LFA-1 to capture MHC-peptide complexes from exosomes in vivo
    • Segura E, Guerin C, Hogg N, Amigorena S, Thery C. CD8+ dendritic cells use LFA-1 to capture MHC-peptide complexes from exosomes in vivo. J Immunol 2007;179:1489-96.
    • (2007) J Immunol , vol.179 , pp. 1489-1496
    • Segura, E.1    Guerin, C.2    Hogg, N.3    Amigorena, S.4    Thery, C.5
  • 44
    • 84936760760 scopus 로고    scopus 로고
    • Exosomal lncRNA-p21 levels may help to distinguish prostate cancer from benign disease
    • Isin M, Uysaler E, Ozgur E, Koseoglu H, Sanli O, Yucel OB, et al. Exosomal lncRNA-p21 levels may help to distinguish prostate cancer from benign disease. Front Genet 2015;6:168.
    • (2015) Front Genet , vol.6 , pp. 168
    • Isin, M.1    Uysaler, E.2    Ozgur, E.3    Koseoglu, H.4    Sanli, O.5    Yucel, O.B.6
  • 45
    • 57049103401 scopus 로고    scopus 로고
    • Glioblastoma microvesicles transport RNA and proteins that promote tumour growth and provide diagnostic biomarkers
    • Skog J, Wurdinger T, van Rijn S, Meijer DH, Gainche L, Sena-Esteves M, et al. Glioblastoma microvesicles transport RNA and proteins that promote tumour growth and provide diagnostic biomarkers. Nat Cell Biol 2008;10:1470-6.
    • (2008) Nat Cell Biol , vol.10 , pp. 1470-1476
    • Skog, J.1    Wurdinger, T.2    Van Rijn, S.3    Meijer, D.H.4    Gainche, L.5    Sena-Esteves, M.6
  • 46
    • 45449093192 scopus 로고    scopus 로고
    • MicroRNA signatures of tumor-derived exosomes as diagnostic biomarkers of ovarian cancer
    • Taylor DD, Gercel-Taylor C. MicroRNA signatures of tumor-derived exosomes as diagnostic biomarkers of ovarian cancer. Gynecol Oncol 2008;110:13-21.
    • (2008) Gynecol Oncol , vol.110 , pp. 13-21
    • Taylor, D.D.1    Gercel-Taylor, C.2
  • 48
    • 84937512463 scopus 로고    scopus 로고
    • Carbonic anhydrase IX promotes myeloid-derived suppressor cell mobilization and establishment of a metastatic niche by stimulating G-CSF production
    • Chafe SC, Lou Y, Sceneay J, Vallejo M, Hamilton MJ, McDonald PC, et al. Carbonic anhydrase IX promotes myeloid-derived suppressor cell mobilization and establishment of a metastatic niche by stimulating G-CSF production. Cancer Res 2015;75:996-1008.
    • (2015) Cancer Res , vol.75 , pp. 996-1008
    • Chafe, S.C.1    Lou, Y.2    Sceneay, J.3    Vallejo, M.4    Hamilton, M.J.5    McDonald, P.C.6
  • 49
    • 76649097628 scopus 로고    scopus 로고
    • Membrane-associated Hsp72 from tumor-derived exosomes mediates STAT3-dependent immunosuppressive function of mouse and human myeloid-derived suppressor cells
    • Chalmin F, Ladoire S, Mignot G, Vincent J, Bruchard M, Remy-Martin JP, et al. Membrane-associated Hsp72 from tumor-derived exosomes mediates STAT3-dependent immunosuppressive function of mouse and human myeloid-derived suppressor cells. J Clin Invest 2010;120:457-71.
    • (2010) J Clin Invest , vol.120 , pp. 457-471
    • Chalmin, F.1    Ladoire, S.2    Mignot, G.3    Vincent, J.4    Bruchard, M.5    Remy-Martin, J.P.6
  • 50
    • 77952042113 scopus 로고    scopus 로고
    • Contribution of MyD88 to the tumor exosome-mediated induction of myeloid derived suppressor cells
    • Liu Y, Xiang X, Zhuang X, Zhang S, Liu C, Cheng Z, et al. Contribution of MyD88 to the tumor exosome-mediated induction of myeloid derived suppressor cells. Am J Pathol 2010;176:2490-9.
    • (2010) Am J Pathol , vol.176 , pp. 2490-2499
    • Liu, Y.1    Xiang, X.2    Zhuang, X.3    Zhang, S.4    Liu, C.5    Cheng, Z.6
  • 51
    • 33749488765 scopus 로고    scopus 로고
    • Human tumor-released microvesicles promote the differentiation of myeloid cells with transforming growth factor-beta-mediated suppressive activity on T lymphocytes
    • Valenti R, Huber V, Filipazzi P, Pilla L, Sovena G, Villa A, et al. Human tumor-released microvesicles promote the differentiation of myeloid cells with transforming growth factor-beta-mediated suppressive activity on T lymphocytes. Cancer Res 2006;66:9290-8.
    • (2006) Cancer Res , vol.66 , pp. 9290-9298
    • Valenti, R.1    Huber, V.2    Filipazzi, P.3    Pilla, L.4    Sovena, G.5    Villa, A.6
  • 52
    • 84989844879 scopus 로고    scopus 로고
    • T-cell exhaustion in the tumor microenvironment
    • Jiang Y, Li Y, Zhu B. T-cell exhaustion in the tumor microenvironment. Cell Death Dis 2015;6:e1792.
    • (2015) Cell Death Dis , vol.6
    • Jiang, Y.1    Li, Y.2    Zhu, B.3
  • 53
    • 0037141153 scopus 로고    scopus 로고
    • Induction of lymphocyte apoptosis by tumor cell secretion of FasL-bearing microvesicles
    • Andreola G, Rivoltini L, Castelli C, Huber V, Perego P, Deho P, et al. Induction of lymphocyte apoptosis by tumor cell secretion of FasL-bearing microvesicles. J Exp Med 2002;195:1303-16.
    • (2002) J Exp Med , vol.195 , pp. 1303-1316
    • Andreola, G.1    Rivoltini, L.2    Castelli, C.3    Huber, V.4    Perego, P.5    Deho, P.6
  • 54
    • 70349315105 scopus 로고    scopus 로고
    • Tumor-derived microvesicles promote regulatory T cell expansion and induce apoptosis in tumor-reactive activated CD8+ T lymphocytes
    • Wieckowski EU, Visus C, Szajnik M, Szczepanski MJ, Storkus WJ, Whiteside TL. Tumor-derived microvesicles promote regulatory T cell expansion and induce apoptosis in tumor-reactive activated CD8+ T lymphocytes. J Immunol 2009;183:3720-30.
    • (2009) J Immunol , vol.183 , pp. 3720-3730
    • Wieckowski, E.U.1    Visus, C.2    Szajnik, M.3    Szczepanski, M.J.4    Storkus, W.J.5    Whiteside, T.L.6
  • 55
    • 49449105179 scopus 로고    scopus 로고
    • Exosomes as a tumor immune escape mechanism: Possible therapeutic implications
    • Ichim TE, Zhong Z, Kaushal S, Zheng X, Ren X, Hao X, et al. Exosomes as a tumor immune escape mechanism: possible therapeutic implications. J Translat Med 2008;6:37.
    • (2008) J Translat Med , vol.6 , pp. 37
    • Ichim, T.E.1    Zhong, Z.2    Kaushal, S.3    Zheng, X.4    Ren, X.5    Hao, X.6


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