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Volumn 367, Issue 1, 2003, Pages 56-67

Molecular modes of action of cephalotaxine and homoharringtonine from the coniferous tree Cephalotaxus hainanensis in human tumor cell lines

Author keywords

Chemotherapy; Epidermal growth factor receptor; Hierarchical cluster analysis; Microarray analysis; Multidrug resistance; P53

Indexed keywords

BREAST CANCER RESISTANCE PROTEIN; CAMPTOTHECIN; CEPHALOTAXINE; CISPLATIN; CYTOSTATIC AGENT; DOXORUBICIN; EPIDERMAL GROWTH FACTOR RECEPTOR; GLYCOPROTEIN P; HOMOHARRINGTONINE; MESSENGER RNA; METHOTREXATE; MULTIDRUG RESISTANCE PROTEIN 1; PROTEIN; PROTEIN P53; UNCLASSIFIED DRUG; VINCRISTINE;

EID: 0037280015     PISSN: 00281298     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00210-002-0632-0     Document Type: Article
Times cited : (79)

References (48)
  • 1
    • 84965822602 scopus 로고
    • Feasibility of drug screening with panels of human tumor cell lines using a microculture tetrazolium assay
    • Alley MC, Scudiero DA, Monks A, et al. (1988) Feasibility of drug screening with panels of human tumor cell lines using a microculture tetrazolium assay. Cancer Res 48:589-601
    • (1988) Cancer Res , vol.48 , pp. 589-601
    • Alley, M.C.1    Scudiero, D.A.2    Monks, A.3
  • 2
    • 0024571314 scopus 로고
    • Comparison of the effects of flavone acetic acid, fostriecin, homoharringtonine and tumour necrosis factor alpha on colon 38 tumours in mice
    • Baguely BC, Calveley SB, Crowe KK, Fray LM, O'Rourke SA, Smith GP (1989) Comparison of the effects of flavone acetic acid, fostriecin, homoharringtonine and tumour necrosis factor alpha on colon 38 tumours in mice. Eur J Cancer Clin Oncol 25:263-269
    • (1989) Eur J Cancer Clin Oncol , vol.25 , pp. 263-269
    • Baguely, B.C.1    Calveley, S.B.2    Crowe, K.K.3    Fray, L.M.4    O'Rourke, S.A.5    Smith, G.P.6
  • 3
    • 0034910943 scopus 로고    scopus 로고
    • A phase II study of homoharringtonine for the treatment of children with refractory or recurrent acute myelogenous leukemia: A pediatric oncology group study
    • Bell BA, Chang MN, Weinstein HJ (2001) A phase II study of homoharringtonine for the treatment of children with refractory or recurrent acute myelogenous leukemia: a pediatric oncology group study. Med Pediatr Oncol 37:103-107
    • (2001) Med Pediatr Oncol , vol.37 , pp. 103-107
    • Bell, B.A.1    Chang, M.N.2    Weinstein, H.J.3
  • 4
    • 0345643354 scopus 로고    scopus 로고
    • Functional analysis of P-glycoprotein and multidrug resistance associated protein related multidrug resistance in AML-blasts
    • Brugger D, Herbart H, Gekeler V, et al. (1999) Functional analysis of P-glycoprotein and multidrug resistance associated protein related multidrug resistance in AML-blasts. Leuk Res 23:467-475
    • (1999) Leuk Res , vol.23 , pp. 467-475
    • Brugger, D.1    Herbart, H.2    Gekeler, V.3
  • 5
    • 0035065901 scopus 로고    scopus 로고
    • Apoptotic response to homoharringtonine in human wt p53 leukemic cells is independent of reactive oxygen species generation and implicates Bax translocation, mitochondrial cytochrome c release and caspase activation
    • Cai Z, Lin M, Wuchter C, Ruppert V, Dörken B, Ludwig WD, Karawajew L (2001) Apoptotic response to homoharringtonine in human wt p53 leukemic cells is independent of reactive oxygen species generation and implicates Bax translocation, mitochondrial cytochrome c release and caspase activation. Leukemia 15:567-574
    • (2001) Leukemia , vol.15 , pp. 567-574
    • Cai, Z.1    Lin, M.2    Wuchter, C.3    Ruppert, V.4    Dörken, B.5    Ludwig, W.D.6    Karawajew, L.7
  • 7
    • 0032711015 scopus 로고    scopus 로고
    • Discovery of differentially expressed genes associated with paclitaxel resistance using cDNA array technology: Analysis of interleukin (IL) 6, IL-8, and monocyte chemotactic protein 1 in the paclitaxel-resistant phenotype
    • Duan Z, Feller AJ, Penson RT, Chabner BA, Seiden MV (1999) Discovery of differentially expressed genes associated with paclitaxel resistance using cDNA array technology: analysis of interleukin (IL) 6, IL-8, and monocyte chemotactic protein 1 in the paclitaxel-resistant phenotype. Clin Cancer Res 5:3445-3453
    • (1999) Clin Cancer Res , vol.5 , pp. 3445-3453
    • Duan, Z.1    Feller, A.J.2    Penson, R.T.3    Chabner, B.A.4    Seiden, M.V.5
  • 8
    • 0035296399 scopus 로고    scopus 로고
    • The human ATP-binding cassette transporter gene family: From the bench to the bedside
    • Efferth T (2001) The human ATP-binding cassette transporter gene family: from the bench to the bedside. Curr Mol Med 1:45-65
    • (2001) Curr Mol Med , vol.1 , pp. 45-65
    • Efferth, T.1
  • 9
    • 0010287591 scopus 로고    scopus 로고
    • Anti-Fas/Apo-1 monoclonal antibody CH-11 depletes glutathione and kills multidrug-resistant human leukemic cells
    • Efferth T, Fabry U, Osieka R (1996) Anti-Fas/Apo-1 monoclonal antibody CH-11 depletes glutathione and kills multidrug-resistant human leukemic cells. Blood Cells Mol Dis 22:2-9
    • (1996) Blood Cells Mol Dis , vol.22 , pp. 2-9
    • Efferth, T.1    Fabry, U.2    Osieka, R.3
  • 10
    • 0036304314 scopus 로고    scopus 로고
    • Activity of drugs from traditional Chinese medicine towards sensitive and MDR1- or MRP1-overexpressing multidrug-resistant human CCRF-CEM leukemia cells
    • Efferth T, Davey M, Olbrich A, Rücker G, Gebhart E, Davey R (2002) Activity of drugs from traditional Chinese medicine towards sensitive and MDR1- or MRP1-overexpressing multidrug-resistant human CCRF-CEM leukemia cells. Blood Cells Mol Dis 28:160-168
    • (2002) Blood Cells Mol Dis , vol.28 , pp. 160-168
    • Efferth, T.1    Davey, M.2    Olbrich, A.3    Rücker, G.4    Gebhart, E.5    Davey, R.6
  • 11
    • 0030998763 scopus 로고    scopus 로고
    • Role of oncogenes in resistance and killing by cancer therapeutic agents
    • El Deiry WS (1997) Role of oncogenes in resistance and killing by cancer therapeutic agents. Curr Opin Oncol 9:79-87
    • (1997) Curr Opin Oncol , vol.9 , pp. 79-87
    • El Deiry, W.S.1
  • 12
    • 0026499322 scopus 로고
    • Homoharringtonine is safe and effective for patients with acute myelogenous leukemia
    • Feldman E, Arlin Z, Ahmed T, et al. (1992) Homoharringtonine is safe and effective for patients with acute myelogenous leukemia. Leukemia 6:1185-1188
    • (1992) Leukemia , vol.6 , pp. 1185-1188
    • Feldman, E.1    Arlin, Z.2    Ahmed, T.3
  • 13
    • 0023939654 scopus 로고
    • The inhibitory effects of teniposide and homoharringtonine on the growth of pancreatic carcinoma cells in vitro
    • Fountzilas G, Lim LO, Yunis AA (1988) The inhibitory effects of teniposide and homoharringtonine on the growth of pancreatic carcinoma cells in vitro. Anticancer Res 8:343-346
    • (1988) Anticancer Res , vol.8 , pp. 343-346
    • Fountzilas, G.1    Lim, L.O.2    Yunis, A.A.3
  • 14
    • 0017577805 scopus 로고
    • Inhibition of translation in eukaryotic systems by harringtonine
    • Fresno M, Jimenez A, Vazquez D (1977) Inhibition of translation in eukaryotic systems by harringtonine. Eur J Biochem 72:323-330
    • (1977) Eur J Biochem , vol.72 , pp. 323-330
    • Fresno, M.1    Jimenez, A.2    Vazquez, D.3
  • 16
    • 0033964013 scopus 로고    scopus 로고
    • Marked inhibition of glioblastoma target cell tumorigenicity in vitro by retrovirus-mediated transfer of a hairpin ribozyme against deletion-mutant epidermal growth factor receptor messenger RNA
    • Halatsch ME, Schmidt U, Bötefür IC, Holland JF, Ohnuma T (2000) Marked inhibition of glioblastoma target cell tumorigenicity in vitro by retrovirus-mediated transfer of a hairpin ribozyme against deletion-mutant epidermal growth factor receptor messenger RNA. J Neurosurg 92:297-305
    • (2000) J Neurosurg , vol.92 , pp. 297-305
    • Halatsch, M.E.1    Schmidt, U.2    Bötefür, I.C.3    Holland, J.F.4    Ohnuma, T.5
  • 17
    • 0035056555 scopus 로고    scopus 로고
    • Overexpression of deletion-mutant epidermal growth factor receptor is associated with altered genotoxic stress-provoked p53 mRNA induction in a human glioblastoma cell line
    • Halatsch ME, Schmidt U, Bötefür IC, Holland JF, Ohnuma T (2001) Overexpression of deletion-mutant epidermal growth factor receptor is associated with altered genotoxic stress-provoked p53 mRNA induction in a human glioblastoma cell line. Anticancer Res 21:189-195
    • (2001) Anticancer Res , vol.21 , pp. 189-195
    • Halatsch, M.E.1    Schmidt, U.2    Bötefür, I.C.3    Holland, J.F.4    Ohnuma, T.5
  • 18
    • 0023677894 scopus 로고
    • Traditional Chinese medicine and the search for new antineoplastic drugs
    • Han J (1988) Traditional Chinese medicine and the search for new antineoplastic drugs. J Ethnopharmacol 24:1-17
    • (1988) J Ethnopharmacol , vol.24 , pp. 1-17
    • Han, J.1
  • 19
    • 0021027516 scopus 로고
    • Cytotoxicity and sister chromatid exchanges induced in vitro by six drugs developed in the People's Republic of China
    • Huang CC, Han CS, Yue X, Shen CM, Wang SW, Wu FG, Xu B (1983) Cytotoxicity and sister chromatid exchanges induced in vitro by six drugs developed in the People's Republic of China. J Natl Cancer Inst 71:841-847
    • (1983) J Natl Cancer Inst , vol.71 , pp. 841-847
    • Huang, C.C.1    Han, C.S.2    Yue, X.3    Shen, C.M.4    Wang, S.W.5    Wu, F.G.6    Xu, B.7
  • 20
    • 14444288522 scopus 로고    scopus 로고
    • The enhanced tumorigenic activity of a mutant epidermal growth factor receptor common in human cancers is mediated by threshold levels of constitutive tyrosine phosphorylation and unattenuated signaling
    • Huang HJS, Nagane M, Klingbeil CK, et al. (1997) The enhanced tumorigenic activity of a mutant epidermal growth factor receptor common in human cancers is mediated by threshold levels of constitutive tyrosine phosphorylation and unattenuated signaling. J Biol Chem 272:2927-2935
    • (1997) J Biol Chem , vol.272 , pp. 2927-2935
    • Huang, H.J.S.1    Nagane, M.2    Klingbeil, C.K.3
  • 21
  • 22
    • 0034667856 scopus 로고    scopus 로고
    • Homoharringtonine and low-dose cytarabine in the management of late chronic-phase myelogenous leukemia
    • Kantarjian HM, Talpaz M, Smith TL, et al. (2000) Homoharringtonine and low-dose cytarabine in the management of late chronic-phase myelogenous leukemia. J Clin Oncol 18:3513-3521
    • (2000) J Clin Oncol , vol.18 , pp. 3513-3521
    • Kantarjian, H.M.1    Talpaz, M.2    Smith, T.L.3
  • 23
    • 0025095893 scopus 로고
    • Susceptibility of multidrug-resistant human leukemia cell lines to human interleukin 2-activated killer cells
    • Kimmig A, Gekeler V, Neumann M, et al. (1990) Susceptibility of multidrug-resistant human leukemia cell lines to human interleukin 2-activated killer cells. Cancer Res 50:6793-6799
    • (1990) Cancer Res , vol.50 , pp. 6793-6799
    • Kimmig, A.1    Gekeler, V.2    Neumann, M.3
  • 24
    • 0028345613 scopus 로고
    • Cell cycle control and cancer chemotherapy
    • Kohn KW, Jackman J, O'Connor P (1994) Cell cycle control and cancer chemotherapy. Cell Biochem 54:440-452
    • (1994) Cell Biochem , vol.54 , pp. 440-452
    • Kohn, K.W.1    Jackman, J.2    O'Connor, P.3
  • 25
    • 0021932240 scopus 로고
    • Amplification, enhanced expression and possible rearrangement of EGFR receptor gene in primary human brain tumours of glial origin
    • Libermann TA, Nusbaum HR, Razon N, et al. (1985) Amplification, enhanced expression and possible rearrangement of EGFR receptor gene in primary human brain tumours of glial origin. Nature 313:144-147
    • (1985) Nature , vol.313 , pp. 144-147
    • Libermann, T.A.1    Nusbaum, H.R.2    Razon, N.3
  • 26
    • 0024537842 scopus 로고
    • Effects of homoharringtonine on protein glycosylation in human bladder carcinoma cell T-24
    • Ling YH, Tseng MT, Harry JI (1989) Effects of homoharringtonine on protein glycosylation in human bladder carcinoma cell T-24. Cancer Res 49:76-80
    • (1989) Cancer Res , vol.49 , pp. 76-80
    • Ling, Y.H.1    Tseng, M.T.2    Harry, J.I.3
  • 28
    • 0027518576 scopus 로고
    • Autonomous proliferation of leukemic cells in vitro as a determinant of prognosis in adult acute myeloid leukemia
    • Löwenberg B, Putten WLJ van, Touw IP, Delwel R, Santini V (1993) Autonomous proliferation of leukemic cells in vitro as a determinant of prognosis in adult acute myeloid leukemia. New Engl J Med 328:614-619
    • (1993) New Engl J Med , vol.328 , pp. 614-619
    • Löwenberg, B.1    Van Putten, W.L.J.2    Touw, I.P.3    Delwel, R.4    Santini, V.5
  • 29
    • 0035420016 scopus 로고    scopus 로고
    • Overexpression of IRF9 confers resistance to antimicrotubule agents in breast cancer cells
    • Luker KE, Pica CM, Schreiber RD, Piwnica-Worms D (2001) Overexpression of IRF9 confers resistance to antimicrotubule agents in breast cancer cells. Cancer Res 61:6540-6547
    • (2001) Cancer Res , vol.61 , pp. 6540-6547
    • Luker, K.E.1    Pica, C.M.2    Schreiber, R.D.3    Piwnica-Worms, D.4
  • 30
    • 0023181174 scopus 로고
    • Topoisomerase II-mediated DNA breaks and cytotoxicity in relation to cell proliferation and the cell cycle in NIH 3T3 fibroblasts and L1210 leukemia cells
    • Markovits J, Pommier Y, Kerrigan D, Covey JM, Tilchen EJ, Kohn KW (1987) Topoisomerase II-mediated DNA breaks and cytotoxicity in relation to cell proliferation and the cell cycle in NIH 3T3 fibroblasts and L1210 leukemia cells. Cancer Res 47:2050-2055
    • (1987) Cancer Res , vol.47 , pp. 2050-2055
    • Markovits, J.1    Pommier, Y.2    Kerrigan, D.3    Covey, J.M.4    Tilchen, E.J.5    Kohn, K.W.6
  • 31
    • 0035472228 scopus 로고    scopus 로고
    • DNA repair inhibition and cancer therapy
    • Martin NM (2001) DNA repair inhibition and cancer therapy. J Photochem Photobiol B 63:162-170
    • (2001) J Photochem Photobiol B , vol.63 , pp. 162-170
    • Martin, N.M.1
  • 32
    • 0028938688 scopus 로고
    • Sensitization of human renal cell carcinoma cells to cis-diamminedichloro-platinum(II) by anti-interleukin 6 monoclonal antibody or anti-interleukin 6 receptor monoclonal antibody
    • Mizutani Y, Bonavida B, Koishihara Y, Akamatsu K, Ohsugi Y, Yoshida O (1995) Sensitization of human renal cell carcinoma cells to cis-diamminedichloro-platinum(II) by anti-interleukin 6 monoclonal antibody or anti-interleukin 6 receptor monoclonal antibody. Cancer Res 55:590-596
    • (1995) Cancer Res , vol.55 , pp. 590-596
    • Mizutani, Y.1    Bonavida, B.2    Koishihara, Y.3    Akamatsu, K.4    Ohsugi, Y.5    Yoshida, O.6
  • 33
    • 0028800035 scopus 로고
    • Frequent expression of a mutant epidermal growth factor receptor in multiple human tumors
    • Moscatello DK, Holgado-Madruga M, Godwin AK, et al. (1995) Frequent expression of a mutant epidermal growth factor receptor in multiple human tumors. Cancer Res 55:5536-5539
    • (1995) Cancer Res , vol.55 , pp. 5536-5539
    • Moscatello, D.K.1    Holgado-Madruga, M.2    Godwin, A.K.3
  • 34
    • 0029961912 scopus 로고    scopus 로고
    • A common mutant epidermal growth factor receptor confers enhanced tumorigenicity on human glioblastoma cells by increasing proliferation and reducing apoptosis
    • Nagane M, Coufal F, Lin H, Bögler O, Cavenee WK, Huang HJS (1996) A common mutant epidermal growth factor receptor confers enhanced tumorigenicity on human glioblastoma cells by increasing proliferation and reducing apoptosis. Cancer Res 56:5079-5086
    • (1996) Cancer Res , vol.56 , pp. 5079-5086
    • Nagane, M.1    Coufal, F.2    Lin, H.3    Bögler, O.4    Cavenee, W.K.5    Huang, H.J.S.6
  • 35
    • 0032510679 scopus 로고    scopus 로고
    • Drug resistance of human glioblastoma cells conferred by a tumor-specific mutant epidermal growth factor receptor through modulation of Bcl-XL and caspase-3-like proteases
    • Nagane M, Levitzki A, Gazit A, Cavenee WK, Huang HJ (1998) Drug resistance of human glioblastoma cells conferred by a tumor-specific mutant epidermal growth factor receptor through modulation of Bcl-XL and caspase-3-like proteases. Proc Natl Acad Sci USA 95:5724-5729
    • (1998) Proc Natl Acad Sci USA , vol.95 , pp. 5724-5729
    • Nagane, M.1    Levitzki, A.2    Gazit, A.3    Cavenee, W.K.4    Huang, H.J.5
  • 36
    • 0028787176 scopus 로고
    • Homoharringtonine therapy induces responses in patients with chronic myelogenous leukemia in late chronic phase
    • O'Brien S, Kantarjian H, Keating M, et al. (1995) Homoharringtonine therapy induces responses in patients with chronic myelogenous leukemia in late chronic phase. Blood 86:3322-3326
    • (1995) Blood , vol.86 , pp. 3322-3326
    • O'Brien, S.1    Kantarjian, H.2    Keating, M.3
  • 38
    • 0033578010 scopus 로고    scopus 로고
    • Basis for recognition of cisplatin-modified DNA by high-mobility-group proteins
    • Ohndorf UM, Rould MA, He Q, Pabo CO, Lippard SJ (1999) Basis for recognition of cisplatin-modified DNA by high-mobility-group proteins. Nature 399:708-712
    • (1999) Nature , vol.399 , pp. 708-712
    • Ohndorf, U.M.1    Rould, M.A.2    He, Q.3    Pabo, C.O.4    Lippard, S.J.5
  • 39
    • 0003175340 scopus 로고
    • Report on a cooperative study of nitrogen mustard (HN2) therapy of neoplastic disease
    • Rhoads CP (1948) Report on a cooperative study of nitrogen mustard (HN2) therapy of neoplastic disease. Trans Assoc Am Physicians 60:110-117
    • (1948) Trans Assoc Am Physicians , vol.60 , pp. 110-117
    • Rhoads, C.P.1
  • 40
    • 0020262255 scopus 로고
    • Quantification of homoharringtonine and harringtonine in serum by chemical ionization mass spectrometry
    • Roboz J, Greaves J, Jui H, Holland JF (1982) Quantification of homoharringtonine and harringtonine in serum by chemical ionization mass spectrometry. Biomed Mass Spectrum 9:510-514
    • (1982) Biomed Mass Spectrum , vol.9 , pp. 510-514
    • Roboz, J.1    Greaves, J.2    Jui, H.3    Holland, J.F.4
  • 41
    • 0028920348 scopus 로고
    • MDR-related P170-glycoprotein modulates cytotoxic activity of homoharringtonine
    • Russo D, Michelutti A, Melli C, et al. (1995) MDR-related P170-glycoprotein modulates cytotoxic activity of homoharringtonine. Leukemia 9:513-516
    • (1995) Leukemia , vol.9 , pp. 513-516
    • Russo, D.1    Michelutti, A.2    Melli, C.3
  • 42
    • 0034088857 scopus 로고    scopus 로고
    • A gene expression database for the molecular pharmacology of cancer
    • Scherf U, Ross DT, Waltham M, et al. (2000) A gene expression database for the molecular pharmacology of cancer. Nat Genet 24:236-244
    • (2000) Nat Genet , vol.24 , pp. 236-244
    • Scherf, U.1    Ross, D.T.2    Waltham, M.3
  • 43
    • 0029002318 scopus 로고
    • Prevention of myeloma cell apoptosis by ectopic bcl-2 expression or interleukin 6-mediated up-regulation of bcl-xL
    • Schwartze MM, Hawley RG (1995) Prevention of myeloma cell apoptosis by ectopic bcl-2 expression or interleukin 6-mediated up-regulation of bcl-xL. Cancer Res 55:2262-2265
    • (1995) Cancer Res , vol.55 , pp. 2262-2265
    • Schwartze, M.M.1    Hawley, R.G.2
  • 44
    • 0021667271 scopus 로고
    • Sister chromatid exchange frequency and cell cycle kinetics in cancer patients treated with cytostatic drugs
    • Singh NP, D'Ambrosio SM (1984) Sister chromatid exchange frequency and cell cycle kinetics in cancer patients treated with cytostatic drugs. Basic Life Sci 29:885-893
    • (1984) Basic Life Sci , vol.29 , pp. 885-893
    • Singh, N.P.1    D'Ambrosio, S.M.2
  • 45
    • 0032546269 scopus 로고    scopus 로고
    • EGF receptor signaling inhibits keratinocyte apoptosis: Evidence for mediation by Bcl-XL
    • Stoll SW, Benedict M, Mitra R, Hiniker A, Elder JT, Nunez G (1998) EGF receptor signaling inhibits keratinocyte apoptosis: evidence for mediation by Bcl-XL. Oncogene 16:1493-1499
    • (1998) Oncogene , vol.16 , pp. 1493-1499
    • Stoll, S.W.1    Benedict, M.2    Mitra, R.3    Hiniker, A.4    Elder, J.T.5    Nunez, G.6
  • 47
    • 0027488955 scopus 로고
    • Etoposide-resistant human colon and lung adenocarcinoma cell lines exhibit sensitivity to homoharringtonine
    • Wilkoff LJ, Dulmadge EA, Vasanthakumar G, Donahue JP (1993) Etoposide-resistant human colon and lung adenocarcinoma cell lines exhibit sensitivity to homoharringtonine. Cancer Chemother Pharmacol 33:149-153
    • (1993) Cancer Chemother Pharmacol , vol.33 , pp. 149-153
    • Wilkoff, L.J.1    Dulmadge, E.A.2    Vasanthakumar, G.3    Donahue, J.P.4
  • 48
    • 0037081081 scopus 로고    scopus 로고
    • Genome-wide cDNA microarray screening to correlate gene expression profiles with sensitivity of 85 human cancer xenografts to anti-cancer drugs
    • Zembutsu H, Ohnishi Y, Tsunoda T, et al. (2002) Genome-wide cDNA microarray screening to correlate gene expression profiles with sensitivity of 85 human cancer xenografts to anti-cancer drugs. Cancer Res 62:518-527
    • (2002) Cancer Res , vol.62 , pp. 518-527
    • Zembutsu, H.1    Ohnishi, Y.2    Tsunoda, T.3


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