메뉴 건너뛰기




Volumn 91, Issue 7, 2011, Pages 992-1006

Role of amino acid transporter LAT2 in the activation of mTORC1 pathway and the pathogenesis of crescentic glomerulonephritis

Author keywords

branched chain amino acid; crescentic glomerulonephritis; everolimus; LAT; mTORC1

Indexed keywords

2 AMINO 2 NORBORNATE CARBOXYLIC ACID; AMINO ACID TRANSPORTER; CARBOXYLIC ACID; EVEROLIMUS; MAMMALIAN TARGET OF RAPAMYCIN COMPLEX 1; PROTEIN LAT1; PROTEIN LAT2; PROTEIN LAT3; UNCLASSIFIED DRUG;

EID: 79959755211     PISSN: 00236837     EISSN: 15300307     Source Type: Journal    
DOI: 10.1038/labinvest.2011.43     Document Type: Article
Times cited : (55)

References (57)
  • 1
    • 0002104722 scopus 로고    scopus 로고
    • Glomerular inflammation and crescent formation
    • Neilson EG, Couser WG (eds) Lippincott-Raven: Philadelphia
    • Wiggins RC HL, Legault DJ. Glomerular inflammation and crescent formation. In: Neilson EG, Couser WG (eds). Immunologic Renal Diseases. Lippincott-Raven: Philadelphia, 1997, pp 669-682.
    • (1997) Immunologic Renal Diseases , pp. 669-682
    • Wiggins, R.C.H.L.1    Legault, D.J.2
  • 2
    • 0022240633 scopus 로고
    • Histogenesis of glomerular crescents. Immunohistochemical demonstration of cytokeratin in crescent cells
    • Magil AB. Histogenesis of glomerular crescents. Immunohistochemical demonstration of cytokeratin in crescent cells. Am J Pathol 1985;120: 222-229. (Pubitemid 16255954)
    • (1985) American Journal of Pathology , vol.120 , Issue.2 , pp. 222-229
    • Magil, A.B.1
  • 3
    • 0015857955 scopus 로고
    • Structure and development of the glomerular crescent
    • Morita T, Suzuki Y, Churg J. Structure and development of the glomerular crescent. Am J Pathol 1973;72:349-368.
    • (1973) Am J Pathol , vol.72 , pp. 349-368
    • Morita, T.1    Suzuki, Y.2    Churg, J.3
  • 4
    • 0015957491 scopus 로고
    • The morphogenesis of glomerular crescents in rapidly progressive glomerulonephritis
    • Min KW, Gyorkey F, Gyorkey P, et al. The morphogenesis of glomerular crescents in rapidly progressive glomerulonephritis. Kidney Int 1974;5:47-56.
    • (1974) Kidney Int , vol.5 , pp. 47-56
    • Min, K.W.1    Gyorkey, F.2    Gyorkey, P.3
  • 6
    • 0022504888 scopus 로고
    • Immunohistochemical demonstration of parietal epithelial cells and macrophages in human proliferative extra-capillary lesions
    • Guettier C, Nochy D, Jacquot C, et al. Immunohistochemical demonstration of parietal epithelial cells and macrophages in human proliferative extra-capillary lesions. Virchows Archiv 1986;409: 739-748. (Pubitemid 16043909)
    • (1986) Virchows Archiv - A Pathological Anatomy and Histopathology , vol.409 , Issue.5 , pp. 739-748
    • Guettier, C.1    Nochy, D.2    Jacquot, C.3
  • 9
    • 72049129967 scopus 로고    scopus 로고
    • Tracing the origin of glomerular extracapillary lesionfrom parietal epitherial cells
    • Smeets B, Uhlig S, Fuss A, et al. Tracing the origin of glomerular extracapillary lesionfrom parietal epitherial cells. J Am Soc Nephrol 2009;20:2604-2615.
    • (2009) J Am Soc Nephrol , vol.20 , pp. 2604-2615
    • Smeets, B.1    Uhlig, S.2    Fuss, A.3
  • 10
    • 0027232199 scopus 로고
    • Growth factors in glomerulonephritis
    • Abboud HE. Growth factors in glomerulonephritis. Kidney Int 1993;43:252-267.
    • (1993) Kidney Int , vol.43 , pp. 252-267
    • Abboud, H.E.1
  • 12
    • 0030903307 scopus 로고    scopus 로고
    • RANTES and monocyte chemoattractant protein-1 (MCP-1) play an important role in the inflammatory phase of crescentic nephritis, but only MCP-1 is involved in crescent formation and interstitial fibrosis
    • DOI 10.1084/jem.185.7.1371
    • Lloyd CM, Minto AW, Dorf ME, et al. RANTES and monocyte chemoattractant protein-1 (MCP-1) play an important role in the inflammatory phase of crescentic nephritis, but only MCP-1 is involved in crescent formation and interstitial fibrosis. J Exp Med 1997;185: 1371-1380. (Pubitemid 27172917)
    • (1997) Journal of Experimental Medicine , vol.185 , Issue.7 , pp. 1371-1380
    • Lloyd, C.M.1    Minto, A.W.2    Dorf, M.E.3    Proudfoot, A.4    Wells, T.N.C.5    Salant, D.J.6    Gutierrez-Ramos, J.-C.7
  • 13
    • 34247478597 scopus 로고    scopus 로고
    • TGF-β type II receptor deficiency prevents renal injury via decrease in ERK activity in crescentic glomerulonephritis
    • DOI 10.1038/sj.ki.5002149, PII 5002149
    • Song CY, Kim BC, Hong HK, et al. TGF-beta type II receptor deficiency prevents renal injury via decrease in ERK activity in crescentic glomerulonephritis. Kidney Int 2007;71:882-888. (Pubitemid 46663790)
    • (2007) Kidney International , vol.71 , Issue.9 , pp. 882-888
    • Song, C.Y.1    Kim, B.C.2    Hong, H.K.3    Lee, H.S.4
  • 14
    • 0033965158 scopus 로고    scopus 로고
    • The p38 signal transduction pathway Activation and function
    • DOI 10.1016/S0898-6568(99)00071-6, PII S0898656899000716
    • Ono K, Han J. The p38 signal transduction pathway: activation and function. Cell Signal 2000;12:1-13. (Pubitemid 30017963)
    • (2000) Cellular Signalling , vol.12 , Issue.1 , pp. 1-13
    • Ono, K.1    Han, J.2
  • 15
    • 0028144846 scopus 로고
    • C-Fos transcriptional activity stimulated by H-ras-activated protein kinase distinct from JNK and ERK
    • DOI 10.1038/371171a0
    • Deng T, Karin M. c-Fos transcriptional activity stimulated by H-Rasactivated protein kinase distinct from JNK and ERK. Nature 1994;371:171-175. (Pubitemid 24284018)
    • (1994) Nature , vol.371 , Issue.6493 , pp. 171-175
    • Deng, T.1    Karin, M.2
  • 16
    • 0028605318 scopus 로고
    • A protein kinase involved in the regulation of inflammatory cytokine biosynthesis
    • Lee JC, Laydon JT, McDonnell PC, et al. A protein kinase involved in the regulation of inflammatory cytokine biosynthesis. Nature 1994;372:739-746.
    • (1994) Nature , vol.372 , pp. 739-746
    • Lee, J.C.1    Laydon, J.T.2    McDonnell, P.C.3
  • 19
    • 33646548305 scopus 로고    scopus 로고
    • The amino acid sensitive TOR pathway from yeast to mammals
    • DOI 10.1016/j.febslet.2006.04.068, PII S0014579306005084
    • Dann SG, Thomas G. The amino acid sensitive TOR pathway from yeast to mammals. FEBS Lett 2006;580:2821-2829. (Pubitemid 43729161)
    • (2006) FEBS Letters , vol.580 , Issue.12 , pp. 2821-2829
    • Dann, S.G.1    Thomas, G.2
  • 20
    • 34547907805 scopus 로고    scopus 로고
    • Expanding mTOR signaling
    • DOI 10.1038/cr.2007.64, PII CR200764
    • Yang Q, Guan KL. Expanding mTOR signaling. Cell Res 2007;17: 666-681. (Pubitemid 47255937)
    • (2007) Cell Research , vol.17 , Issue.8 , pp. 666-681
    • Yang, Q.1    Guan, K.-L.2
  • 21
    • 0032528917 scopus 로고    scopus 로고
    • Amino acid availability regulates p70 S6 kinase and multiple translation factors
    • Wang X, Campbell LE, Miller CM, et al. Amino acid availability regulates p70 S6 kinase and multiple translation factors. Biochem J 1998;334:261-267. (Pubitemid 28420997)
    • (1998) Biochemical Journal , vol.334 , Issue.1 , pp. 261-267
    • Wang, X.1    Campbell, L.E.2    Miller, C.M.3    Proud, C.G.4
  • 22
    • 0347627139 scopus 로고    scopus 로고
    • MTOR-mediated regulation of translation factors by amino acids
    • DOI 10.1016/j.bbrc.2003.07.015
    • Proud CG. mTOR-mediated regulation of translation factors by amino acids. Biochem Biophys Res Commun 2004;313:429-436. (Pubitemid 37543604)
    • (2004) Biochemical and Biophysical Research Communications , vol.313 , Issue.2 , pp. 429-436
    • Proud, C.G.1
  • 23
    • 77950691430 scopus 로고    scopus 로고
    • Mechanisms of amino acid sensing in mTOR signaling pathway
    • Kim E. Mechanisms of amino acid sensing in mTOR signaling pathway. Nutr Res Pract 2009;3:64-71.
    • (2009) Nutr Res Pract , vol.3 , pp. 64-71
    • Kim, E.1
  • 24
    • 0031730304 scopus 로고    scopus 로고
    • Amino acid effects on translational repressor 4E-BP1 are mediated primarily by L-leucine in isolated adipocytes
    • Fox HL, Pham PT, Kimball SR, et al. Amino acid effects on translational repressor 4E-BP1 are mediated primarily by L-leucine in isolated adipocytes. Am J Physiol 1998;275:C1232-C1238.
    • (1998) Am J Physiol , vol.275
    • Fox, H.L.1    Pham, P.T.2    Kimball, S.R.3
  • 25
    • 0025095302 scopus 로고
    • Role of amino acid transport and countertransport in nutrition and metabolism
    • Christensen HN. Role of amino acid transport and countertransport in nutrition and metabolism. Physiol Rev 1990;70:43-77. (Pubitemid 20037281)
    • (1990) Physiological Reviews , vol.70 , Issue.1 , pp. 43-77
    • Christensen, H.N.1
  • 26
    • 0031751209 scopus 로고    scopus 로고
    • Molecular biology of mammalian plasma membrane amino acid transporters
    • Palacin M, Estevez R, Bertran J, et al. Molecular biology of mammalian plasma membrane amino acid transporters. Physiol Rev 1998;78: 969-1054. (Pubitemid 28491947)
    • (1998) Physiological Reviews , vol.78 , Issue.4 , pp. 969-1054
    • Palacin, M.1    Estevez, R.2    Bertran, J.3    Zorzano, A.4
  • 27
    • 0032508585 scopus 로고    scopus 로고
    • Expression cloning and characterization of a transporter for large neutral amino acids activated by the heavy chain of 4F2 antigen (CD98)
    • DOI 10.1074/jbc.273.37.23629
    • Kanai Y, Segawa H, Miyamoto K, et al. Expression cloning and characterization of a transporter for large neutral amino acids activated by the heavy chain of 4F2 antigen (CD98). J Biol Chem 1998;273:23629-23632. (Pubitemid 28435687)
    • (1998) Journal of Biological Chemistry , vol.273 , Issue.37 , pp. 23629-23632
    • Kanai, Y.1    Segawa, H.2    Miyamoto, K.-I.3    Uchino, H.4    Takeda, E.5    Endou, H.6
  • 30
    • 0034626856 scopus 로고    scopus 로고
    • Expression of a system L neutral amino acid transporter at the blood-brain barrier
    • Matsuo H, Tsukada S, Nakata T, et al. Expression of a system L neutral amino acid transporter at the blood-brain barrier. Neuroreport 2000;11:3507-3511.
    • (2000) Neuroreport , vol.11 , pp. 3507-3511
    • Matsuo, H.1    Tsukada, S.2    Nakata, T.3
  • 31
    • 17344392837 scopus 로고    scopus 로고
    • The 4F2hc/LAT1 complex transports L-DOPA across the blood-brain barrier
    • Kageyama T, Nakamura M, Matsuo A, et al. The 4F2hc/LAT1 complex transports L-DOPA across the blood-brain barrier. Brain Res 2000;879:115-121.
    • (2000) Brain Res , vol.879 , pp. 115-121
    • Kageyama, T.1    Nakamura, M.2    Matsuo, A.3
  • 32
    • 0035875174 scopus 로고    scopus 로고
    • Role of the System L permease LAT1 in amino acid and iodothyronine transport in placenta
    • DOI 10.1042/0264-6021:3560719
    • Ritchie JW, Taylor PM. Role of the system L permease LAT1 in amino acid and iodothyronine transport in placenta. Biochem J 2001;356:719-725. (Pubitemid 32588443)
    • (2001) Biochemical Journal , vol.356 , Issue.3 , pp. 719-725
    • Ritchie, J.W.A.1    Taylor, P.M.2
  • 33
    • 22844449962 scopus 로고    scopus 로고
    • Reabsorption of neutral amino acids mediated by amino acid transporter LAT2 and TAT1 in the basolateral membrane of proximal tubule
    • Park SY, Kim JK, Kim IJ, et al. Reabsorption of neutral amino acids mediated by amino acid transporter LAT2 and TAT1 in the basolateral membrane of proximal tubule. Arch Pharm Res 2005;28:421-432.
    • (2005) Arch Pharm Res , vol.28 , pp. 421-432
    • Park, S.Y.1    Kim, J.K.2    Kim, I.J.3
  • 34
    • 4344677041 scopus 로고    scopus 로고
    • Expression of heteromeric amino acid transporters along the murine intestine
    • DOI 10.1113/jphysiol.2004.065037
    • Dave MH, Schulz N, Zecevic M, et al. Expression of heteromeric amino acid transporters along the murine intestine. J Physiol 2004;558:597-610. (Pubitemid 39117604)
    • (2004) Journal of Physiology , vol.558 , Issue.2 , pp. 597-610
    • Dave, M.H.1    Schulz, N.2    Zecevic, M.3    Wagner, C.A.4    Verrey, F.5
  • 35
    • 0040610689 scopus 로고    scopus 로고
    • Identification of a membrane protein, LAT-2, that co-expresses with 4F2 heavy chain, an L-type amino acid transport activity with broad specificity for small and large zwitterionic amino acids
    • Pineda M, Fernandez E, Torrents D, et al. Identification of a membrane protein, LAT-2, that co-expresses with 4F2 heavy chain, an L-type amino acid transport activity with broad specificity for small and large zwitterionic amino acids. J Biol Chem 1999;274:19738-19744.
    • (1999) J Biol Chem , vol.274 , pp. 19738-19744
    • Pineda, M.1    Fernandez, E.2    Torrents, D.3
  • 36
    • 0033538560 scopus 로고    scopus 로고
    • Identification and functional characterization of a Na+-independent neutral amino acid transporter with broad substrate selectivity
    • Segawa H, Fukasawa Y, Miyamoto K, et al. Identification and functional characterization of a Na+-independent neutral amino acid transporter with broad substrate selectivity. J Biol Chem 1999;274:19745-19751.
    • (1999) J Biol Chem , vol.274 , pp. 19745-19751
    • Segawa, H.1    Fukasawa, Y.2    Miyamoto, K.3
  • 38
    • 67649687026 scopus 로고    scopus 로고
    • Amino acid transporter LAT3 is required for podocyte development and function
    • Sekine Y, Nishibori Y, Akimoto Y, et al. Amino acid transporter LAT3 is required for podocyte development and function. J Am Soc Nephrol 2009;20:1586-1596.
    • (2009) J Am Soc Nephrol , vol.20 , pp. 1586-1596
    • Sekine, Y.1    Nishibori, Y.2    Akimoto, Y.3
  • 40
    • 3042723545 scopus 로고    scopus 로고
    • High nephritogenicity of monoclonal antibodies belonging to IgG2a and IgG2b subclasses in rat anti-GBM nephritis
    • DOI 10.1111/j.1523-1755.2004.00719.x
    • Kohda T, Okada S, Hayashi A, et al. High nephritogenicity of monoclonal antibodies belonging to IgG2a and IgG2b subclasses in rat anti-GBM nephritis. Kidney Int 2004;66:177-186. (Pubitemid 38870093)
    • (2004) Kidney International , vol.66 , Issue.1 , pp. 177-186
    • Kohda, T.1    Okada, S.-I.2    Hayashi, A.3    Kanzaki, S.4    Ninomiya, Y.5    Taki, M.6    Sado, Y.7
  • 41
    • 77952626170 scopus 로고    scopus 로고
    • Systemic activation of glutamate dehydrogenase: Implications for the hyperinsulinism/hyperammonemia syndrome
    • Treberg JR, Clow KA, Greene KA, et al. Systemic activation of glutamate dehydrogenase: implications for the hyperinsulinism/hyperammonemia syndrome. Am J Physiol Endocrinol Metab 2010;298:E1219-E1225.
    • (2010) Am J Physiol Endocrinol Metab , vol.298
    • Treberg, J.R.1    Clow, K.A.2    Greene, K.A.3
  • 42
    • 58149158070 scopus 로고    scopus 로고
    • Establishment and characterization of mammalian cell lines stably expressing human L-type amino acid transporters
    • Morimoto E, Kanai Y, Kim do K, et al. Establishment and characterization of mammalian cell lines stably expressing human L-type amino acid transporters. J Pharmacol Sci 2008;108:505-516.
    • (2008) J Pharmacol Sci , vol.108 , pp. 505-516
    • Morimoto, E.1    Kanai, Y.2    Kim Do, K.3
  • 43
    • 36148962868 scopus 로고    scopus 로고
    • Role of mTOR in solid tumor systems: A therapeutical target against primary tumor growth, metastases, and angiogenesis
    • DOI 10.1007/s10555-007-9077-8, Forty Years of Metastasis Research: A Tribute to Dr. Isaiah J. Fidler
    • Seeliger H, Guba M, Kleespies A, et al. Role of mTOR in solid tumor systems: a therapeutical target against primary tumor growth, metastases, and anigiogenesis. Cancer Metastasis Rev 2007;26: 611-621. (Pubitemid 350115107)
    • (2007) Cancer and Metastasis Reviews , vol.26 , Issue.3-4 , pp. 611-621
    • Seeliger, H.1    Guba, M.2    Kleespies, A.3    Jauch, K.-W.4    Bruns, C.J.5
  • 44
    • 0031887111 scopus 로고    scopus 로고
    • Amino acids stimulate phosphorylation of p70S6k and organization of rat adipocytes into multicellular clusters
    • Fox HL, Kimball SR, Jefferson LS, et al. Amino acids stimulate phosphorylation of p70S6k and organization of rat adipocytes into multicellular clusters. Am J Physiol 1998;274:C206-C213.
    • (1998) Am J Physiol , vol.274
    • Fox, H.L.1    Kimball, S.R.2    Jefferson, L.S.3
  • 45
    • 77952007543 scopus 로고    scopus 로고
    • MTOR: Conducting the cellular signaling symphony
    • Foster KG, Fingar DC. mTOR: conducting the cellular signaling symphony. J Biol Chem 2010;285:14071-14077.
    • (2010) J Biol Chem , vol.285 , pp. 14071-14077
    • Foster, K.G.1    Fingar, D.C.2
  • 46
    • 0345732640 scopus 로고    scopus 로고
    • MTOR controls cell cycle progression through its cell growth effectors S6K1 and 4E-BP1/Eukaryotic translation initiation factor 4E
    • DOI 10.1128/MCB.24.1.200-216.2004
    • Fingar DC, Richardson CJ, Tee AR, et al. mTOR controls cell cycle progression through its cell growth effectors S6K1 and 4E-BP1/ eukaryotic translation initiation factor 4E. Mol Cell Biol 2004;24: 200-216. (Pubitemid 38010048)
    • (2004) Molecular and Cellular Biology , vol.24 , Issue.1 , pp. 200-216
    • Fingar, D.C.1    Richardson, C.J.2    Tee, A.R.3    Cheatham, L.4    Tsou, C.5    Blenis, J.6
  • 47
    • 4043171462 scopus 로고    scopus 로고
    • Upstream and downstream of mTOR
    • DOI 10.1101/gad.1212704
    • Hay N, Sonenberg N. Upstream and downstream of mTOR. Genes Dev 2004;18:1926-1945. (Pubitemid 39071573)
    • (2004) Genes and Development , vol.18 , Issue.16 , pp. 1926-1945
    • Hay, N.1    Sonenberg, N.2
  • 48
    • 72049105867 scopus 로고    scopus 로고
    • The role of the mammalian target of rapamycin (mTOR) in renal disease
    • Lieberthal W, Levine JS. The role of the mammalian target of rapamycin (mTOR) in renal disease. J Am Soc Nephrol 2009;20:2493-2502.
    • (2009) J Am Soc Nephrol , vol.20 , pp. 2493-2502
    • Lieberthal, W.1    Levine, J.S.2
  • 49
    • 0034789534 scopus 로고    scopus 로고
    • Rapamycin impairs recovery from acute renal failure: Role of cell-cycle arrest and apoptosis of tubular cells
    • Lieberthal W, Fuhro R, Andry CC, et al. Rapamycin impairs recovery from acute renal failure: role of cell-cycle arrest and apoptosis of tubular cells. Am J Physiol Renal Physiol 2001;281:F693-F706.
    • (2001) Am J Physiol Renal Physiol , vol.281
    • Lieberthal, W.1    Fuhro, R.2    Andry, C.C.3
  • 50
    • 33847024296 scopus 로고    scopus 로고
    • High glucose, high insulin, and their combination rapidly induce laminin-beta1 synthesis by regulation of mRNA translation in renal epithelial cells
    • Mariappan MM, Feliers D, Mummidi S, et al. High glucose, high insulin, and their combination rapidly induce laminin-beta1 synthesis by regulation of mRNA translation in renal epithelial cells. Diabetes 2007;56:476-485.
    • (2007) Diabetes , vol.56 , pp. 476-485
    • Mariappan, M.M.1    Feliers, D.2    Mummidi, S.3
  • 52
    • 49649125350 scopus 로고    scopus 로고
    • Differential effects of rapamycin in anti-GBM glomerulonephritis
    • Hochegger K, Jansky GL, Soleiman A, et al. Differential effects of rapamycin in anti-GBM glomerulonephritis. J Am Soc Nephrol 2008;19:1520-1529.
    • (2008) J Am Soc Nephrol , vol.19 , pp. 1520-1529
    • Hochegger, K.1    Jansky, G.L.2    Soleiman, A.3
  • 53
    • 33745837261 scopus 로고    scopus 로고
    • Differential regulation of T-cell growth by IL-2 and IL-15
    • DOI 10.1182/blood-2005-12-4827
    • Cornish GH, Sinclair LV, Cantrell DA. Differential regulation of T-cell growth by IL-2 and IL-15. Blood 2006;108:600-608. (Pubitemid 44061360)
    • (2006) Blood , vol.108 , Issue.2 , pp. 600-608
    • Cornish, G.H.1    Sinclair, L.V.2    Cantrell, D.A.3
  • 54
    • 0036320205 scopus 로고    scopus 로고
    • Akt maintains cell size and survival by increasing mTOR-dependent nutrient uptake
    • DOI 10.1091/mbc.01-12-0584
    • Edinger AL, Thompson CB. Akt maintains cell size and survival by increasing mTOR-dependent nutrient uptake. Mol Biol Cell 2002;13:2276-2288. (Pubitemid 34831333)
    • (2002) Molecular Biology of the Cell , vol.13 , Issue.7 , pp. 2276-2288
    • Edinger, A.L.1    Thompson, C.B.2
  • 56
    • 51649104153 scopus 로고    scopus 로고
    • Leucine induces phosphorylation and activation of p70S6K in cortical neurons via the system Lamino acid transporter
    • Ishizuka Y, Kakiya N, Nawa H, et al. Leucine induces phosphorylation and activation of p70S6K in cortical neurons via the system Lamino acid transporter. J Neurochem 2008;106:934-942.
    • (2008) J Neurochem , vol.106 , pp. 934-942
    • Ishizuka, Y.1    Kakiya, N.2    Nawa, H.3
  • 57
    • 34547829276 scopus 로고    scopus 로고
    • Controlling cell growth and survival through regulated nutrient transporter expression
    • DOI 10.1042/BJ20070490
    • Edinger AL. Controlling cell growth and survival through regulated nutrient transporter expression. Biochem J 2007;406:1-12. (Pubitemid 47264729)
    • (2007) Biochemical Journal , vol.406 , Issue.1 , pp. 1-12
    • Edinger, A.L.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.