메뉴 건너뛰기




Volumn 5, Issue , 2011, Pages

Meta-analysis of estrogen response in MCF-7 distinguishes early target genes involved in signaling and cell proliferation from later target genes involved in cell cycle and DNA repair

Author keywords

Breast cancer; Estrogen; Meta analysis; Microarray; Pathways

Indexed keywords

ESTRADIOL;

EID: 80052122015     PISSN: None     EISSN: 17520509     Source Type: Journal    
DOI: 10.1186/1752-0509-5-138     Document Type: Article
Times cited : (25)

References (40)
  • 1
    • 0030031782 scopus 로고    scopus 로고
    • Estrogen receptors: bioactivities and interactions with cell signaling pathways
    • 10.1095/biolreprod54.2.287, 8788178
    • Katzenellenbogen BS. Estrogen receptors: bioactivities and interactions with cell signaling pathways. Biol Reprod 1996, 54(2):287-293. 10.1095/biolreprod54.2.287, 8788178.
    • (1996) Biol Reprod , vol.54 , Issue.2 , pp. 287-293
    • Katzenellenbogen, B.S.1
  • 2
    • 0035995602 scopus 로고    scopus 로고
    • The role of oestrogen and progesterone receptors in human mammary development and tumorigenesis
    • 10.1186/bcr452, 138744, 12223124
    • Anderson E. The role of oestrogen and progesterone receptors in human mammary development and tumorigenesis. Breast Cancer Res 2002, 4(5):197-201. 10.1186/bcr452, 138744, 12223124.
    • (2002) Breast Cancer Res , vol.4 , Issue.5 , pp. 197-201
    • Anderson, E.1
  • 3
    • 72549085551 scopus 로고    scopus 로고
    • Genomic actions of estrogen receptor alpha: what are the targets and how are they regulated?
    • 10.1677/ERC-09-0086, 19628648
    • Welboren WJ, Sweep FC, Span PN, Stunnenberg HG. Genomic actions of estrogen receptor alpha: what are the targets and how are they regulated?. Endocr Relat Cancer 2009, 16(4):1073-1089. 10.1677/ERC-09-0086, 19628648.
    • (2009) Endocr Relat Cancer , vol.16 , Issue.4 , pp. 1073-1089
    • Welboren, W.J.1    Sweep, F.C.2    Span, P.N.3    Stunnenberg, H.G.4
  • 4
    • 66549085342 scopus 로고    scopus 로고
    • ChIP-Seq of ERalpha and RNA polymerase II defines genes differentially responding to ligands
    • 10.1038/emboj.2009.88, 2688537, 19339991
    • Welboren WJ, van Driel MA, Janssen-Megens EM, van Heeringen SJ, Sweep FC, Span PN, Stunnenberg HG. ChIP-Seq of ERalpha and RNA polymerase II defines genes differentially responding to ligands. EMBO J 2009, 28(10):1418-1428. 10.1038/emboj.2009.88, 2688537, 19339991.
    • (2009) EMBO J , vol.28 , Issue.10 , pp. 1418-1428
    • Welboren, W.J.1    van Driel, M.A.2    Janssen-Megens, E.M.3    van Heeringen, S.J.4    Sweep, F.C.5    Span, P.N.6    Stunnenberg, H.G.7
  • 7
    • 0034046040 scopus 로고    scopus 로고
    • Transcriptional activation of transforming growth factor alpha by estradiol: requirement for both a GC-rich site and an estrogen response element half-site
    • 10.1677/jme.0.0240329, 10828826
    • Vyhlidal C, Samudio I, Kladde MP, Safe S. Transcriptional activation of transforming growth factor alpha by estradiol: requirement for both a GC-rich site and an estrogen response element half-site. J Mol Endocrinol 2000, 24(3):329-338. 10.1677/jme.0.0240329, 10828826.
    • (2000) J Mol Endocrinol , vol.24 , Issue.3 , pp. 329-338
    • Vyhlidal, C.1    Samudio, I.2    Kladde, M.P.3    Safe, S.4
  • 8
    • 0034464039 scopus 로고    scopus 로고
    • Sp1 binding sites and an estrogen response element half-site are involved in regulation of the human progesterone receptor A promoter
    • 10.1210/me.14.7.972, 10894148
    • Petz LN, Nardulli AM. Sp1 binding sites and an estrogen response element half-site are involved in regulation of the human progesterone receptor A promoter. Mol Endocrinol 2000, 14(7):972-985. 10.1210/me.14.7.972, 10894148.
    • (2000) Mol Endocrinol , vol.14 , Issue.7 , pp. 972-985
    • Petz, L.N.1    Nardulli, A.M.2
  • 9
    • 13544270852 scopus 로고    scopus 로고
    • Global gene expression analysis of estrogen receptor transcription factor cross talk in breast cancer: identification of estrogen-induced/activator protein-1-dependent genes
    • DeNardo DG, Kim HT, Hilsenbeck S, Cuba V, Tsimelzon A, Brown PH. Global gene expression analysis of estrogen receptor transcription factor cross talk in breast cancer: identification of estrogen-induced/activator protein-1-dependent genes. Mol Endocrinol 2005, 19(2):362-378.
    • (2005) Mol Endocrinol , vol.19 , Issue.2 , pp. 362-378
    • DeNardo, D.G.1    Kim, H.T.2    Hilsenbeck, S.3    Cuba, V.4    Tsimelzon, A.5    Brown, P.H.6
  • 10
    • 30044439766 scopus 로고    scopus 로고
    • ERE-independent ERalpha target genes differentially expressed in human breast tumors
    • 10.1016/j.mce.2005.10.003, 16298037
    • Glidewell-Kenney C, Weiss J, Lee EJ, Pillai S, Ishikawa T, Ariazi EA, Jameson JL. ERE-independent ERalpha target genes differentially expressed in human breast tumors. Mol Cell Endocrinol 2005, 245(1-2):53-59. 10.1016/j.mce.2005.10.003, 16298037.
    • (2005) Mol Cell Endocrinol , vol.245 , Issue.1-2 , pp. 53-59
    • Glidewell-Kenney, C.1    Weiss, J.2    Lee, E.J.3    Pillai, S.4    Ishikawa, T.5    Ariazi, E.A.6    Jameson, J.L.7
  • 11
    • 13944252475 scopus 로고    scopus 로고
    • Transcription factor cross-talk: the estrogen receptor and NF-kappaB
    • 10.1016/j.tem.2005.01.004, 15734144
    • Kalaitzidis D, Gilmore TD. Transcription factor cross-talk: the estrogen receptor and NF-kappaB. Trends Endocrinol Metab 2005, 16(2):46-52. 10.1016/j.tem.2005.01.004, 15734144.
    • (2005) Trends Endocrinol Metab , vol.16 , Issue.2 , pp. 46-52
    • Kalaitzidis, D.1    Gilmore, T.D.2
  • 12
    • 0141785350 scopus 로고    scopus 로고
    • Profiling of estrogen up- and down-regulated gene expression in human breast cancer cells: insights into gene networks and pathways underlying estrogenic control of proliferation and cell phenotype
    • 10.1210/en.2003-0567, 12959972
    • Frasor J, Danes JM, Komm B, Chang KC, Lyttle CR, Katzenellenbogen BS. Profiling of estrogen up- and down-regulated gene expression in human breast cancer cells: insights into gene networks and pathways underlying estrogenic control of proliferation and cell phenotype. Endocrinology 2003, 144(10):4562-4574. 10.1210/en.2003-0567, 12959972.
    • (2003) Endocrinology , vol.144 , Issue.10 , pp. 4562-4574
    • Frasor, J.1    Danes, J.M.2    Komm, B.3    Chang, K.C.4    Lyttle, C.R.5    Katzenellenbogen, B.S.6
  • 14
    • 41649102323 scopus 로고    scopus 로고
    • A global view of transcriptional regulation by nuclear receptors: gene expression, factor localization, and DNA sequence analysis
    • 2254333, 18301785
    • Kininis M, Kraus WL. A global view of transcriptional regulation by nuclear receptors: gene expression, factor localization, and DNA sequence analysis. Nucl Recept Signal 2008, 6:e005. 2254333, 18301785.
    • (2008) Nucl Recept Signal , vol.6
    • Kininis, M.1    Kraus, W.L.2
  • 15
    • 77951900245 scopus 로고    scopus 로고
    • Genomic analyses of hormone signaling and gene regulation
    • Cheung E, Kraus WL. Genomic analyses of hormone signaling and gene regulation. Annu Rev Physiol 72:191-218.
    • Annu Rev Physiol , vol.72 , pp. 191-218
    • Cheung, E.1    Kraus, W.L.2
  • 16
    • 4944232237 scopus 로고    scopus 로고
    • Combining multiple microarray studies and modeling interstudy variation
    • 10.1093/bioinformatics/btg1010, 12855442
    • Choi JK, Yu U, Kim S, Yoo OJ. Combining multiple microarray studies and modeling interstudy variation. Bioinformatics 2003, 19(Suppl 1):i84-90. 10.1093/bioinformatics/btg1010, 12855442.
    • (2003) Bioinformatics , vol.19 , Issue.SUPPL. 1
    • Choi, J.K.1    Yu, U.2    Kim, S.3    Yoo, O.J.4
  • 18
    • 38849106351 scopus 로고    scopus 로고
    • A comparison of meta-analysis methods for detecting differentially expressed genes in microarray experiments
    • 10.1093/bioinformatics/btm620, 18204063
    • Hong F, Breitling R. A comparison of meta-analysis methods for detecting differentially expressed genes in microarray experiments. Bioinformatics 2008, 24(3):374-382. 10.1093/bioinformatics/btm620, 18204063.
    • (2008) Bioinformatics , vol.24 , Issue.3 , pp. 374-382
    • Hong, F.1    Breitling, R.2
  • 19
    • 33751006151 scopus 로고    scopus 로고
    • RankProd: a bioconductor package for detecting differentially expressed genes in meta-analysis
    • 10.1093/bioinformatics/btl476, 16982708
    • Hong F, Breitling R, McEntee CW, Wittner BS, Nemhauser JL, Chory J. RankProd: a bioconductor package for detecting differentially expressed genes in meta-analysis. Bioinformatics 2006, 22(22):2825-2827. 10.1093/bioinformatics/btl476, 16982708.
    • (2006) Bioinformatics , vol.22 , Issue.22 , pp. 2825-2827
    • Hong, F.1    Breitling, R.2    McEntee, C.W.3    Wittner, B.S.4    Nemhauser, J.L.5    Chory, J.6
  • 21
    • 0142121516 scopus 로고    scopus 로고
    • Exploration, normalization, and summaries of high density oligonucleotide array probe level data
    • 10.1093/biostatistics/4.2.249, 12925520
    • Irizarry RA, Hobbs B, Collin F, Beazer-Barclay YD, Antonellis KJ, Scherf U, Speed TP. Exploration, normalization, and summaries of high density oligonucleotide array probe level data. Biostatistics 2003, 4(2):249-264. 10.1093/biostatistics/4.2.249, 12925520.
    • (2003) Biostatistics , vol.4 , Issue.2 , pp. 249-264
    • Irizarry, R.A.1    Hobbs, B.2    Collin, F.3    Beazer-Barclay, Y.D.4    Antonellis, K.J.5    Scherf, U.6    Speed, T.P.7
  • 23
    • 43749098070 scopus 로고    scopus 로고
    • NF-kappaB and cancer-identifying targets and mechanisms
    • 10.1016/j.gde.2008.01.020, 2587362, 18440219
    • Naugler WE, Karin M. NF-kappaB and cancer-identifying targets and mechanisms. Curr Opin Genet Dev 2008, 18(1):19-26. 10.1016/j.gde.2008.01.020, 2587362, 18440219.
    • (2008) Curr Opin Genet Dev , vol.18 , Issue.1 , pp. 19-26
    • Naugler, W.E.1    Karin, M.2
  • 24
    • 33846828787 scopus 로고    scopus 로고
    • NF-kappaB represses E-cadherin expression and enhances epithelial to mesenchymal transition of mammary epithelial cells: potential involvement of ZEB-1 and ZEB-2
    • 10.1038/sj.onc.1209808, 16862183
    • Chua HL, Bhat-Nakshatri P, Clare SE, Morimiya A, Badve S, Nakshatri H. NF-kappaB represses E-cadherin expression and enhances epithelial to mesenchymal transition of mammary epithelial cells: potential involvement of ZEB-1 and ZEB-2. Oncogene 2007, 26(5):711-724. 10.1038/sj.onc.1209808, 16862183.
    • (2007) Oncogene , vol.26 , Issue.5 , pp. 711-724
    • Chua, H.L.1    Bhat-Nakshatri, P.2    Clare, S.E.3    Morimiya, A.4    Badve, S.5    Nakshatri, H.6
  • 25
    • 47749085499 scopus 로고    scopus 로고
    • IRF6 in development and disease: a mediator of quiescence and differentiation
    • 10.4161/cc.7.13.6221, 2581479, 18604160
    • Bailey CM, Hendrix MJ. IRF6 in development and disease: a mediator of quiescence and differentiation. Cell Cycle 2008, 7(13):1925-1930. 10.4161/cc.7.13.6221, 2581479, 18604160.
    • (2008) Cell Cycle , vol.7 , Issue.13 , pp. 1925-1930
    • Bailey, C.M.1    Hendrix, M.J.2
  • 26
    • 58249119436 scopus 로고    scopus 로고
    • GEMS (Gene Expression MetaSignatures), a Web resource for querying meta-analysis of expression microarray datasets: 17beta-estradiol in MCF-7 cells
    • 10.1158/0008-5472.CAN-08-3492, 2782370, 19117983
    • Ochsner SA, Steffen DL, Hilsenbeck SG, Chen ES, Watkins C, McKenna NJ. GEMS (Gene Expression MetaSignatures), a Web resource for querying meta-analysis of expression microarray datasets: 17beta-estradiol in MCF-7 cells. Cancer Res 2009, 69(1):23-26. 10.1158/0008-5472.CAN-08-3492, 2782370, 19117983.
    • (2009) Cancer Res , vol.69 , Issue.1 , pp. 23-26
    • Ochsner, S.A.1    Steffen, D.L.2    Hilsenbeck, S.G.3    Chen, E.S.4    Watkins, C.5    McKenna, N.J.6
  • 27
    • 71949094495 scopus 로고    scopus 로고
    • Inhibition of oxygen-induced hypoxia-inducible factor-1alpha degradation unmasks estradiol induction of vascular endothelial growth factor expression in ECC-1 cancer cells in vitro
    • 10.1210/en.2009-0884, 2795708, 19819950
    • Molitoris KH, Kazi AA, Koos RD. Inhibition of oxygen-induced hypoxia-inducible factor-1alpha degradation unmasks estradiol induction of vascular endothelial growth factor expression in ECC-1 cancer cells in vitro. Endocrinology 2009, 150(12):5405-5414. 10.1210/en.2009-0884, 2795708, 19819950.
    • (2009) Endocrinology , vol.150 , Issue.12 , pp. 5405-5414
    • Molitoris, K.H.1    Kazi, A.A.2    Koos, R.D.3
  • 28
    • 77952062004 scopus 로고    scopus 로고
    • Estrogen Receptor [alpha] Controls a Gene Network in Luminal-Like Breast Cancer Cells Comprising Multiple Transcription Factors and MicroRNAs
    • 10.2353/ajpath.2010.090837, 2861078, 20348243
    • Cicatiello L, Mutarelli M, Grober OMV, Paris O, Ferraro L, Ravo M, Tarallo R, Luo S, Schroth GP, Seifert M, et al. Estrogen Receptor [alpha] Controls a Gene Network in Luminal-Like Breast Cancer Cells Comprising Multiple Transcription Factors and MicroRNAs. The American Journal of Pathology 2010, 176(5):2113-2130. 10.2353/ajpath.2010.090837, 2861078, 20348243.
    • (2010) The American Journal of Pathology , vol.176 , Issue.5 , pp. 2113-2130
    • Cicatiello, L.1    Mutarelli, M.2    Grober, O.M.V.3    Paris, O.4    Ferraro, L.5    Ravo, M.6    Tarallo, R.7    Luo, S.8    Schroth, G.P.9    Seifert, M.10
  • 29
    • 79955836460 scopus 로고    scopus 로고
    • A Rapid, Extensive, and Transient Transcriptional Response to Estrogen Signaling in Breast Cancer Cells
    • 10.1016/j.cell.2011.03.042, 21549415
    • Hah N, Danko CG, Core L, Waterfall JJ, Siepel A, Lis JT, Kraus WL. A Rapid, Extensive, and Transient Transcriptional Response to Estrogen Signaling in Breast Cancer Cells. Cell 2011, 145(4):622-634. 10.1016/j.cell.2011.03.042, 21549415.
    • (2011) Cell , vol.145 , Issue.4 , pp. 622-634
    • Hah, N.1    Danko, C.G.2    Core, L.3    Waterfall, J.J.4    Siepel, A.5    Lis, J.T.6    Kraus, W.L.7
  • 30
    • 34347348554 scopus 로고    scopus 로고
    • Estrogen receptor and aryl hydrocarbon receptor signaling pathways
    • 1513070, 16862222
    • Matthews J, Gustafsson JA. Estrogen receptor and aryl hydrocarbon receptor signaling pathways. Nucl Recept Signal 2006, 4:e016. 1513070, 16862222.
    • (2006) Nucl Recept Signal , vol.4
    • Matthews, J.1    Gustafsson, J.A.2
  • 31
    • 34548550432 scopus 로고    scopus 로고
    • Identification of an integrated SV40 T/t-antigen cancer signature in aggressive human breast, prostate, and lung carcinomas with poor prognosis
    • 10.1158/0008-5472.CAN-07-1515, 17804718
    • Deeb KK, Michalowska AM, Yoon CY, Krummey SM, Hoenerhoff MJ, Kavanaugh C, Li MC, Demayo FJ, Linnoila I, Deng CX, et al. Identification of an integrated SV40 T/t-antigen cancer signature in aggressive human breast, prostate, and lung carcinomas with poor prognosis. Cancer Res 2007, 67(17):8065-8080. 10.1158/0008-5472.CAN-07-1515, 17804718.
    • (2007) Cancer Res , vol.67 , Issue.17 , pp. 8065-8080
    • Deeb, K.K.1    Michalowska, A.M.2    Yoon, C.Y.3    Krummey, S.M.4    Hoenerhoff, M.J.5    Kavanaugh, C.6    Li, M.C.7    Demayo, F.J.8    Linnoila, I.9    Deng, C.X.10
  • 33
    • 4344571581 scopus 로고    scopus 로고
    • Rank products: a simple, yet powerful, new method to detect differentially regulated genes in replicated microarray experiments
    • 10.1016/j.febslet.2004.07.055, 15327980
    • Breitling R, Armengaud P, Amtmann A, Herzyk P. Rank products: a simple, yet powerful, new method to detect differentially regulated genes in replicated microarray experiments. FEBS Lett 2004, 573(1-3):83-92. 10.1016/j.febslet.2004.07.055, 15327980.
    • (2004) FEBS Lett , vol.573 , Issue.1-3 , pp. 83-92
    • Breitling, R.1    Armengaud, P.2    Amtmann, A.3    Herzyk, P.4
  • 34
    • 33745014556 scopus 로고    scopus 로고
    • Genes regulated by estrogen in breast tumor cells in vitro are similarly regulated in vivo in tumor xenografts and human breast tumors
    • 10.1186/gb-2006-7-4-r28, 1557996, 16606439
    • Creighton CJ, Cordero KE, Larios JM, Miller RS, Johnson MD, Chinnaiyan AM, Lippman ME, Rae JM. Genes regulated by estrogen in breast tumor cells in vitro are similarly regulated in vivo in tumor xenografts and human breast tumors. Genome Biol 2006, 7(4):R28. 10.1186/gb-2006-7-4-r28, 1557996, 16606439.
    • (2006) Genome Biol , vol.7 , Issue.4
    • Creighton, C.J.1    Cordero, K.E.2    Larios, J.M.3    Miller, R.S.4    Johnson, M.D.5    Chinnaiyan, A.M.6    Lippman, M.E.7    Rae, J.M.8
  • 35
    • 43049090857 scopus 로고    scopus 로고
    • Estrogen Receptors alpha and beta as determinants of gene expression: influence of ligand, dose, and chromatin binding
    • 10.1210/me.2007-0356, 2366177, 18258689
    • Chang EC, Charn TH, Park SH, Helferich WG, Komm B, Katzenellenbogen JA, Katzenellenbogen BS. Estrogen Receptors alpha and beta as determinants of gene expression: influence of ligand, dose, and chromatin binding. Mol Endocrinol 2008, 22(5):1032-1043. 10.1210/me.2007-0356, 2366177, 18258689.
    • (2008) Mol Endocrinol , vol.22 , Issue.5 , pp. 1032-1043
    • Chang, E.C.1    Charn, T.H.2    Park, S.H.3    Helferich, W.G.4    Komm, B.5    Katzenellenbogen, J.A.6    Katzenellenbogen, B.S.7
  • 36
    • 33748743807 scopus 로고    scopus 로고
    • Impact of estrogen receptor beta on gene networks regulated by estrogen receptor alpha in breast cancer cells
    • 10.1210/en.2006-0563, 16809442
    • Chang EC, Frasor J, Komm B, Katzenellenbogen BS. Impact of estrogen receptor beta on gene networks regulated by estrogen receptor alpha in breast cancer cells. Endocrinology 2006, 147(10):4831-4842. 10.1210/en.2006-0563, 16809442.
    • (2006) Endocrinology , vol.147 , Issue.10 , pp. 4831-4842
    • Chang, E.C.1    Frasor, J.2    Komm, B.3    Katzenellenbogen, B.S.4
  • 37
    • 38349023306 scopus 로고    scopus 로고
    • Gene expression profiling reveals effects of Cimicifuga racemosa (L.) NUTT. (black cohosh) on the estrogen receptor positive human breast cancer cell line MCF-7
    • 2194763, 17880733
    • Gaube F, Wolfl S, Pusch L, Kroll TC, Hamburger M. Gene expression profiling reveals effects of Cimicifuga racemosa (L.) NUTT. (black cohosh) on the estrogen receptor positive human breast cancer cell line MCF-7. BMC Pharmacol 2007, 7:11. 2194763, 17880733.
    • (2007) BMC Pharmacol , vol.7 , pp. 11
    • Gaube, F.1    Wolfl, S.2    Pusch, L.3    Kroll, T.C.4    Hamburger, M.5
  • 38
    • 21644489751 scopus 로고    scopus 로고
    • GREB 1 is a critical regulator of hormone dependent breast cancer growth
    • 10.1007/s10549-005-1483-4, 15986123
    • Rae JM, Johnson MD, Scheys JO, Cordero KE, Larios JM, Lippman ME. GREB 1 is a critical regulator of hormone dependent breast cancer growth. Breast Cancer Res Treat 2005, 92(2):141-149. 10.1007/s10549-005-1483-4, 15986123.
    • (2005) Breast Cancer Res Treat , vol.92 , Issue.2 , pp. 141-149
    • Rae, J.M.1    Johnson, M.D.2    Scheys, J.O.3    Cordero, K.E.4    Larios, J.M.5    Lippman, M.E.6
  • 39
    • 33746908103 scopus 로고    scopus 로고
    • Gene expression preferentially regulated by tamoxifen in breast cancer cells and correlations with clinical outcome
    • 10.1158/0008-5472.CAN-05-4269, 16849584
    • Frasor J, Chang EC, Komm B, Lin CY, Vega VB, Liu ET, Miller LD, Smeds J, Bergh J, Katzenellenbogen BS. Gene expression preferentially regulated by tamoxifen in breast cancer cells and correlations with clinical outcome. Cancer Res 2006, 66(14):7334-7340. 10.1158/0008-5472.CAN-05-4269, 16849584.
    • (2006) Cancer Res , vol.66 , Issue.14 , pp. 7334-7340
    • Frasor, J.1    Chang, E.C.2    Komm, B.3    Lin, C.Y.4    Vega, V.B.5    Liu, E.T.6    Miller, L.D.7    Smeds, J.8    Bergh, J.9    Katzenellenbogen, B.S.10
  • 40
    • 38349095526 scopus 로고    scopus 로고
    • Mechanisms of primary and secondary estrogen target gene regulation in breast cancer cells
    • 10.1093/nar/gkn369, 2248750, 17986456
    • Bourdeau V, Deschenes J, Laperriere D, Aid M, White JH, Mader S. Mechanisms of primary and secondary estrogen target gene regulation in breast cancer cells. Nucleic Acids Res 2008, 36(1):76-93. 10.1093/nar/gkn369, 2248750, 17986456.
    • (2008) Nucleic Acids Res , vol.36 , Issue.1 , pp. 76-93
    • Bourdeau, V.1    Deschenes, J.2    Laperriere, D.3    Aid, M.4    White, J.H.5    Mader, S.6


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.