메뉴 건너뛰기




Volumn 77, Issue 1, 2006, Pages 10-17

Biology of the prolactin family in bovine placenta. I. Bovine placental lactogen: Expression, structure and proposed roles

Author keywords

Bovine; Placenta; Placental lactogen; Prolactin

Indexed keywords

BOVINAE;

EID: 33644967095     PISSN: 13443941     EISSN: 17400929     Source Type: Journal    
DOI: 10.1111/j.1740-0929.2006.00314.x     Document Type: Review
Times cited : (21)

References (70)
  • 1
    • 0026511502 scopus 로고
    • Isolation of cleaved prolactin variants that stimulate DNA synthesis in specific cell types in rat pituitary cell aggregates in culture
    • Andries M Tilemans D Denef C 1992 Isolation of cleaved prolactin variants that stimulate DNA synthesis in specific cell types in rat pituitary cell aggregates in culture Biochemical Journal 281 393 400
    • (1992) Biochemical Journal , vol.281 , pp. 393-400
    • Andries, M.1    Tilemans, D.2    Denef, C.3
  • 2
    • 0021024314 scopus 로고
    • Purification and characterization of bovine placental lactogen
    • Arima Y Bremel RD 1983 Purification and characterization of bovine placental lactogen Endocrinology 113 2186 2194
    • (1983) Endocrinology , vol.113 , pp. 2186-2194
    • Arima, Y.1    Bremel, R.D.2
  • 3
    • 26644468096 scopus 로고
    • Die Schwangerschaftsdiagnose aus dem Harn durch Nachweis des Hypophysenvorderlappenhormons
    • (In German)
    • Aschheim S Zondek B 1928 Die Schwangerschaftsdiagnose aus dem Harn durch Nachweis des Hypophysenvorderlappenhormons Klinische Wochenschrift 7 1404 1411 (In German)
    • (1928) Klinische Wochenschrift , vol.7 , pp. 1404-1411
    • Aschheim, S.1    Zondek, B.2
  • 4
    • 0027220451 scopus 로고
    • Mass spectrometric analysis of the fragments produced by cleavage and reduction of rat prolactin: Evidence that the cleaving enzyme is cathepsin D
    • Baldocchi RA Tan L King DS Nicoll CS 1993 Mass spectrometric analysis of the fragments produced by cleavage and reduction of rat prolactin: evidence that the cleaving enzyme is cathepsin D Endocrinology 133 935 938
    • (1993) Endocrinology , vol.133 , pp. 935-938
    • Baldocchi, R.A.1    Tan, L.2    King, D.S.3    Nicoll, C.S.4
  • 5
    • 0017121920 scopus 로고
    • Purification and characterization of bovine placental lactogen
    • Bolander FF Fellows RE 1976 Purification and characterization of bovine placental lactogen Journal of Biological Chemistry 251 2703 2708
    • (1976) Journal of Biological Chemistry , vol.251 , pp. 2703-2708
    • Bolander, F.F.1    Fellows, R.E.2
  • 6
    • 0027439729 scopus 로고
    • Effect of homologous placental lactogens, prolactins, and growth hormones on islet B-cell division and insulin secretion in rat, mouse, and human islets: Implication for placental lactogen regulation of islet function during pregnancy
    • Brelje TC Scharp DW Lacy PE Ogren L Talamantes F Robertson M Friesen HG Sorenson RL 1993 Effect of homologous placental lactogens, prolactins, and growth hormones on islet B-cell division and insulin secretion in rat, mouse, and human islets: implication for placental lactogen regulation of islet function during pregnancy Endocrinology 132 879 887
    • (1993) Endocrinology , vol.132 , pp. 879-887
    • Brelje, T.C.1    Scharp, D.W.2    Lacy, P.E.3    Ogren, L.4    Talamantes, F.5    Robertson, M.6    Friesen, H.G.7    Sorenson, R.L.8
  • 10
  • 11
    • 0022505987 scopus 로고
    • Isolation and characterization of multiple forms of bovine placental lactogen from secretory granules of the fetal cotyledon
    • Byatt JC Shimomura K Duello TM Bremel RD 1986 Isolation and characterization of multiple forms of bovine placental lactogen from secretory granules of the fetal cotyledon Endocrinology 119 1343 1350
    • (1986) Endocrinology , vol.119 , pp. 1343-1350
    • Byatt, J.C.1    Shimomura, K.2    Duello, T.M.3    Bremel, R.D.4
  • 14
    • 0023438466 scopus 로고
    • The concentration of bovine placental lactogen and the incidence of different forms in fetal cotyledons and in fetal serum
    • Byatt JC Wallace CR Bremel RD Collier RJ Bolt DJ 1987 The concentration of bovine placental lactogen and the incidence of different forms in fetal cotyledons and in fetal serum Domestic Animal Endocrinology 4 231 241
    • (1987) Domestic Animal Endocrinology , vol.4 , pp. 231-241
    • Byatt, J.C.1    Wallace, C.R.2    Bremel, R.D.3    Collier, R.J.4    Bolt, D.J.5
  • 15
    • 0025100593 scopus 로고
    • Characterization of glycosylated bovine placental lactogen and the effect of enzymatic deglycosylation on receptor binding and biological activity
    • Byatt JC Welply JK Leimgruber RM Collier RJ 1990 Characterization of glycosylated bovine placental lactogen and the effect of enzymatic deglycosylation on receptor binding and biological activity Endocrinology 127 1041 1049
    • (1990) Endocrinology , vol.127 , pp. 1041-1049
    • Byatt, J.C.1    Welply, J.K.2    Leimgruber, R.M.3    Collier, R.J.4
  • 16
    • 0019309912 scopus 로고
    • Maintenance of receptors for luteinizing hormone by ovine placental lactogen in pseudopregnant rats
    • Chan JS Grinwich DL Robertson HA Friesen HG 1980 Maintenance of receptors for luteinizing hormone by ovine placental lactogen in pseudopregnant rats Biology of Reproduction 23 60 63
    • (1980) Biology of Reproduction , vol.23 , pp. 60-63
    • Chan, J.S.1    Grinwich, D.L.2    Robertson, H.A.3    Friesen, H.G.4
  • 18
    • 0003013584 scopus 로고
    • The potency of blood serum of mares in progressive stages of pregnancy in effecting the sexual maturity of the immature rat
    • Cole HH Hart GH 1930 The potency of blood serum of mares in progressive stages of pregnancy in effecting the sexual maturity of the immature rat American Journal of Physiology 93 57 68
    • (1930) American Journal of Physiology , vol.93 , pp. 57-68
    • Cole, H.H.1    Hart, G.H.2
  • 20
    • 0036098835 scopus 로고    scopus 로고
    • Roles of prolactin and related members of the prolactin/growth hormone/placental lactogen family in angiogenesis
    • Corbacho AM Martinez De La Escalera G Clapp C 2002 Roles of prolactin and related members of the prolactin/growth hormone/placental lactogen family in angiogenesis Journal of Endocrinology 173 219 238
    • (2002) Journal of Endocrinology , vol.173 , pp. 219-238
    • Corbacho, A.M.1    Martinez De La Escalera, G.2    Clapp, C.3
  • 21
  • 22
    • 0026712829 scopus 로고
    • Somatic cell mapping, polymorphism, and linkage analysis of bovine prolactin-related proteins and placental lactogen
    • Dietz AB Georges M Threadgill DW Womack JE Schuler LA 1992 Somatic cell mapping, polymorphism, and linkage analysis of bovine prolactin-related proteins and placental lactogen Genomics 14 137 143
    • (1992) Genomics , vol.14 , pp. 137-143
    • Dietz, A.B.1    Georges, M.2    Threadgill, D.W.3    Womack, J.E.4    Schuler, L.A.5
  • 23
    • 0023008063 scopus 로고
    • Isolation and identification of a cDNA clone of rat placental lactogen II
    • Duckworth ML Kirk KL Friesen HG 1986 Isolation and identification of a cDNA clone of rat placental lactogen II Journal of Biological Chemistry 261 10871 10878
    • (1986) Journal of Biological Chemistry , vol.261 , pp. 10871-10878
    • Duckworth, M.L.1    Kirk, K.L.2    Friesen, H.G.3
  • 24
    • 0020134323 scopus 로고
    • A 32 000-molecular weight protein from bovine placenta with placental lactogen-like activity in radioreceptor assays
    • Eakle KA Arima Y Swanson P Grimek H Bremel RD 1982 A 32 000-molecular weight protein from bovine placenta with placental lactogen-like activity in radioreceptor assays Endocrinology 110 1758 1765
    • (1982) Endocrinology , vol.110 , pp. 1758-1765
    • Eakle, K.A.1    Arima, Y.2    Swanson, P.3    Grimek, H.4    Bremel, R.D.5
  • 26
    • 0029825056 scopus 로고    scopus 로고
    • Sequence-function relationships within the expanding family of prolactin, growth hormone, placental lactogen, and related proteins in mammals
    • Goffin V Shiverick KT Kelly PA Martial JA 1996 Sequence-function relationships within the expanding family of prolactin, growth hormone, placental lactogen, and related proteins in mammals Endocrine Review 17 385 410
    • (1996) Endocrine Review , vol.17 , pp. 385-410
    • Goffin, V.1    Shiverick, K.T.2    Kelly, P.A.3    Martial, J.A.4
  • 27
    • 0025037582 scopus 로고
    • Effect of ovarian steroids on a nocturnal surge of prolactin secretion that precedes parturition in the rat
    • Grattan DR Averill RL 1990 Effect of ovarian steroids on a nocturnal surge of prolactin secretion that precedes parturition in the rat Endocrinology 126 1199 1205
    • (1990) Endocrinology , vol.126 , pp. 1199-1205
    • Grattan, D.R.1    Averill, R.L.2
  • 29
    • 85003183972 scopus 로고
    • Bovine placental lactogen: Purification and characterization
    • (Abstract).
    • Hayden TJ Forsyth IA 1979 Bovine placental lactogen: purification and characterization (Abstract). Journal of Endocrinology 80 68
    • (1979) Journal of Endocrinology , vol.80 , pp. 68
    • Hayden, T.J.1    Forsyth, I.A.2
  • 30
    • 0033583065 scopus 로고    scopus 로고
    • Ruminant placental lactogens act as antagonists to homologous growth hormone receptors and as agonists to human or rabbit growth hormone receptors
    • Herman A Helman D Livnah O Gertler A 1999 Ruminant placental lactogens act as antagonists to homologous growth hormone receptors and as agonists to human or rabbit growth hormone receptors Journal of Biological Chemistry 274 7631 7639
    • (1999) Journal of Biological Chemistry , vol.274 , pp. 7631-7639
    • Herman, A.1    Helman, D.2    Livnah, O.3    Gertler, A.4
  • 31
  • 32
    • 0005588238 scopus 로고
    • Presence in the human placenta and term serum of a highly lactogenic substance immunologically related pituitary growth hormone
    • Josimovich JB MacLaren JA 1962 Presence in the human placenta and term serum of a highly lactogenic substance immunologically related pituitary growth hormone Endocrinology 71 209 220
    • (1962) Endocrinology , vol.71 , pp. 209-220
    • Josimovich, J.B.1    MacLaren, J.A.2
  • 33
    • 0031039705 scopus 로고    scopus 로고
    • In vitro studies of the stimulation of insulin secretion and B-cell proliferation by rat placental lactogen-II during pregnancy in rats
    • Kawai M Kishi K 1997 In vitro studies of the stimulation of insulin secretion and B-cell proliferation by rat placental lactogen-II during pregnancy in rats Journal of Reproduction and Fertility 109 145 152
    • (1997) Journal of Reproduction and Fertility , vol.109 , pp. 145-152
    • Kawai, M.1    Kishi, K.2
  • 34
    • 0032732186 scopus 로고    scopus 로고
    • Adaptation of pancreatic islet B-cells during the last third of pregnancy: Regulation of B-cell function and proliferation by lactogenic hormones in rats
    • Kawai M Kishi K 1999 Adaptation of pancreatic islet B-cells during the last third of pregnancy: regulation of B-cell function and proliferation by lactogenic hormones in rats European Journal of Endocrinology 141 419 425
    • (1999) European Journal of Endocrinology , vol.141 , pp. 419-425
    • Kawai, M.1    Kishi, K.2
  • 35
    • 0026101684 scopus 로고
    • Structure of the bovine placental lactogen gene and alternative splicing of transcripts
    • Kessler MA Schuler LA 1991 Structure of the bovine placental lactogen gene and alternative splicing of transcripts DNA and Cell Biology 10 93 104
    • (1991) DNA and Cell Biology , vol.10 , pp. 93-104
    • Kessler, M.A.1    Schuler, L.A.2
  • 36
    • 0014854666 scopus 로고
    • Demonstration of mammotropic activity of the mouse placenta in organ culture and by transplantation
    • Kohmoto K Bern HA 1970 Demonstration of mammotropic activity of the mouse placenta in organ culture and by transplantation Journal of Endocrinology 48 99 107
    • (1970) Journal of Endocrinology , vol.48 , pp. 99-107
    • Kohmoto, K.1    Bern, H.A.2
  • 37
    • 0034565140 scopus 로고    scopus 로고
    • Active immunization of ewes against ovine placental lactogen increases birth weight of lambs and milk production with no adverse effect on conception rate
    • Leibovich H Gertler A Bazer FW Gootwine E 2000 Active immunization of ewes against ovine placental lactogen increases birth weight of lambs and milk production with no adverse effect on conception rate Animal Reproduction Science 64 33 47
    • (2000) Animal Reproduction Science , vol.64 , pp. 33-47
    • Leibovich, H.1    Gertler, A.2    Bazer, F.W.3    Gootwine, E.4
  • 38
    • 0025831781 scopus 로고
    • Mutational analysis and protein engineering of receptor-binding determinants in human placental lactogen
    • Lowman HB Cunningham BC Wells JA 1991 Mutational analysis and protein engineering of receptor-binding determinants in human placental lactogen Journal of Biological Chemistry 266 10982 10988
    • (1991) Journal of Biological Chemistry , vol.266 , pp. 10982-10988
    • Lowman, H.B.1    Cunningham, B.C.2    Wells, J.A.3
  • 39
    • 0028316172 scopus 로고
    • Placental lactogen and somatotropin: Hormone binding to the corpus luteum and effects on the growth and functions of the ovary in heifers
    • Lucy MC Byatt JC Curran TL Curran DF Collier RJ 1994 Placental lactogen and somatotropin: hormone binding to the corpus luteum and effects on the growth and functions of the ovary in heifers Biology of Reproduction 50 1136 1144
    • (1994) Biology of Reproduction , vol.50 , pp. 1136-1144
    • Lucy, M.C.1    Byatt, J.C.2    Curran, T.L.3    Curran, D.F.4    Collier, R.J.5
  • 40
    • 0020437874 scopus 로고
    • Purification and characterization of bovine placental lactogen
    • Murthy GS Schellenberg C Friesen HG 1982 Purification and characterization of bovine placental lactogen Endocrinology 111 2117 2124
    • (1982) Endocrinology , vol.111 , pp. 2117-2124
    • Murthy, G.S.1    Schellenberg, C.2    Friesen, H.G.3
  • 42
    • 0006957353 scopus 로고
    • Effect of fetal mass, number and stage of gestation on pregnancy-specific protein B concentrations in the bovine
    • Patel OV Domeki I Sasaki N Takahashi T Hirako M Sasser RG Humblot P 1995 Effect of fetal mass, number and stage of gestation on pregnancy-specific protein B concentrations in the bovine Theriogenology 44 827 833
    • (1995) Theriogenology , vol.44 , pp. 827-833
    • Patel, O.V.1    Domeki, I.2    Sasaki, N.3    Takahashi, T.4    Hirako, M.5    Sasser, R.G.6    Humblot, P.7
  • 43
    • 0030197617 scopus 로고    scopus 로고
    • Plasma bovine placental lactogen concentration throughout pregnancy in the cow; Relationship to stage of pregnancy, fetal mass, number and postpartum milk yield
    • Patel OV Hirako M Takahashi T Sasaki N Domeki I 1996 Plasma bovine placental lactogen concentration throughout pregnancy in the cow; relationship to stage of pregnancy, fetal mass, number and postpartum milk yield Domestic Animal Endocrinology 13 351 359
    • (1996) Domestic Animal Endocrinology , vol.13 , pp. 351-359
    • Patel, O.V.1    Hirako, M.2    Takahashi, T.3    Sasaki, N.4    Domeki, I.5
  • 44
    • 0033110967 scopus 로고    scopus 로고
    • Plasma oestrone and oestradiol concentrations throughout gestation in cattle: Relationship to stage of gestation and fetal number
    • Patel OV Takenouchi N Takahashi T Hirako M Sasaki N Domeki I 1999 Plasma oestrone and oestradiol concentrations throughout gestation in cattle: relationship to stage of gestation and fetal number Research in Veterinary Science 66 129 133
    • (1999) Research in Veterinary Science , vol.66 , pp. 129-133
    • Patel, O.V.1    Takenouchi, N.2    Takahashi, T.3    Hirako, M.4    Sasaki, N.5    Domeki, I.6
  • 46
    • 0025617516 scopus 로고
    • Nutrition, body condition and reproduction in beef cows: Fetal and placental development, and estrogens and progesterone in plasma
    • Rasby RJ Wettemann RP Geisert RD Rice LE Wallace CR 1990 Nutrition, body condition and reproduction in beef cows: fetal and placental development, and estrogens and progesterone in plasma Journal of Animal Science 68 4267 4276
    • (1990) Journal of Animal Science , vol.68 , pp. 4267-4276
    • Rasby, R.J.1    Wettemann, R.P.2    Geisert, R.D.3    Rice, L.E.4    Wallace, C.R.5
  • 48
    • 0021244249 scopus 로고
    • The role of steroid hormones, prolactin and placental lactogen on mammary gland development in ewes and heifers
    • Schams D Russe I Schallenberger E Prokopp S Chan JS 1984 The role of steroid hormones, prolactin and placental lactogen on mammary gland development in ewes and heifers Journal of Endocrinology 102 121 130
    • (1984) Journal of Endocrinology , vol.102 , pp. 121-130
    • Schams, D.1    Russe, I.2    Schallenberger, E.3    Prokopp, S.4    Chan, J.S.5
  • 49
    • 0020348753 scopus 로고
    • The bioassay of bovine placental lactogen
    • Schellenberg C Friesen HG 1982 The bioassay of bovine placental lactogen Endocrinology 111 2125 2128
    • (1982) Endocrinology , vol.111 , pp. 2125-2128
    • Schellenberg, C.1    Friesen, H.G.2
  • 52
    • 0034858894 scopus 로고    scopus 로고
    • Isolation and characterization of a bovine blastocyst-derived trophoblastic cell line, BT-1: Development of a culture system in the absence of feeder cell
    • Shimada A Nakano H Takahashi T Imai K Hashizume K 2001 Isolation and characterization of a bovine blastocyst-derived trophoblastic cell line, BT-1: development of a culture system in the absence of feeder cell Placenta 22 652 662
    • (2001) Placenta , vol.22 , pp. 652-662
    • Shimada, A.1    Nakano, H.2    Takahashi, T.3    Imai, K.4    Hashizume, K.5
  • 55
    • 0027163308 scopus 로고
    • Ligand-specific dimerization of the extracellular domain of the bovine growth hormone receptor
    • Staten NR Byatt JC Krivi GG 1993 Ligand-specific dimerization of the extracellular domain of the bovine growth hormone receptor Journal of Biological Chemistry 268 18467 18473
    • (1993) Journal of Biological Chemistry , vol.268 , pp. 18467-18473
    • Staten, N.R.1    Byatt, J.C.2    Krivi, G.G.3
  • 57
    • 22444446795 scopus 로고    scopus 로고
    • The antiangiogenic factor, 16-kDa human prolactin, induces endothelial cell cycle arrest by acting at both the G0-G1 and the G2-M phases
    • Tabruyn SP Nguyen NQ Cornet AM Martial JA Struman I 2005 The antiangiogenic factor, 16-kDa human prolactin, induces endothelial cell cycle arrest by acting at both the G0-G1 and the G2-M phases Molecular Endocrinology 19 1932 1942
    • (2005) Molecular Endocrinology , vol.19 , pp. 1932-1942
    • Tabruyn, S.P.1    Nguyen, N.Q.2    Cornet, A.M.3    Martial, J.A.4    Struman, I.5
  • 58
    • 0001784737 scopus 로고    scopus 로고
    • Immunological and biological activities of bovine placental lactogen in placental explant culture
    • Takahashi T Aso H Hashizume K 2001 Immunological and biological activities of bovine placental lactogen in placental explant culture Journal of Reproduction and Development 47 63 67
    • (2001) Journal of Reproduction and Development , vol.47 , pp. 63-67
    • Takahashi, T.1    Aso, H.2    Hashizume, K.3
  • 60
    • 33644982881 scopus 로고    scopus 로고
    • Immunological and biological characteristics of bovine placental lactogens secreted by maternal and fetal cotyledons
    • In*Roberts R.M.*Yanagimachi R.*Kariya T.*Hashizume K. (eds). Yokendo Tokyo pp.
    • Takahashi T Takahashi M Hashizume K 2000 Immunological and biological characteristics of bovine placental lactogens secreted by maternal and fetal cotyledons In Roberts RM Yanagimachi R Kariya T Hashizume K (eds) Cloned Animal and Placentation pp. 156 161 Yokendo Tokyo
    • (2000) Cloned Animal and Placentation , pp. 156-161
    • Takahashi, T.1    Takahashi, M.2    Hashizume, K.3
  • 61
    • 0016709598 scopus 로고
    • Comparative study of the occurrence of placental prolactin among mammals
    • Jr.
    • Talamantes F Jr. 1975 Comparative study of the occurrence of placental prolactin among mammals General and Comparative Endocrinology 27 115 121
    • (1975) General and Comparative Endocrinology , vol.27 , pp. 115-121
    • Talamantes, F.1
  • 63
    • 0026510798 scopus 로고
    • Late pregnancy and rat choriocarcinoma cells inhibit nocturnal prolactin surges and serotonin-induced prolactin release
    • Tomogane H Mistry AM Voogt JL 1992 Late pregnancy and rat choriocarcinoma cells inhibit nocturnal prolactin surges and serotonin-induced prolactin release Endocrinology 130 23 28
    • (1992) Endocrinology , vol.130 , pp. 23-28
    • Tomogane, H.1    Mistry, A.M.2    Voogt, J.L.3
  • 64
    • 33644989298 scopus 로고    scopus 로고
    • Biology of the prolactin family in bovine placenta. II. Bovine prolactin-related proteins: Their expression, structure and proposed roles
    • Ushizawa K Hashizume K 2006 Biology of the prolactin family in bovine placenta. II. Bovine prolactin-related proteins: Their expression, structure and proposed roles Animal Science Journal 77 18 27
    • (2006) Animal Science Journal , vol.77 , pp. 18-27
    • Ushizawa, K.1    Hashizume, K.2
  • 65
    • 0026444012 scopus 로고
    • The expanding growth hormone/prolactin family
    • Wallis M 1992 The expanding growth hormone/prolactin family Journal of Molecular Endocrinology 9 185 188
    • (1992) Journal of Molecular Endocrinology , vol.9 , pp. 185-188
    • Wallis, M.1
  • 66
    • 0036629425 scopus 로고    scopus 로고
    • The effects of cortisol on the binucleate cell population in the ovine placenta during late gestation
    • Ward JW Wooding FBP Fowden AL 2002 The effects of cortisol on the binucleate cell population in the ovine placenta during late gestation Placenta 23 451 458
    • (2002) Placenta , vol.23 , pp. 451-458
    • Ward, J.W.1    Wooding, F.B.P.2    Fowden, A.L.3
  • 68
    • 0020210085 scopus 로고
    • The role of the binucleate cell in ruminant placental structure
    • Wooding FB 1982 The role of the binucleate cell in ruminant placental structure Journal of Reproduction and Fertility 31 Suppl 31 31 39
    • (1982) Journal of Reproduction and Fertility , vol.31 , Issue.31 SUPPL. , pp. 31-39
    • Wooding, F.B.1
  • 70
    • 0033534644 scopus 로고    scopus 로고
    • The relationship between plasma oestrone sulphate concentrations in pregnant dairy cattle and calf birth weight, calf viability, placental weight and placental expulsion
    • Zhang WC Nakao T Moriyoshi M Nakada K Ohtaki T Ribadu AY Tanaka Y 1999 The relationship between plasma oestrone sulphate concentrations in pregnant dairy cattle and calf birth weight, calf viability, placental weight and placental expulsion Animal Reproduction Science 54 169 178
    • (1999) Animal Reproduction Science , vol.54 , pp. 169-178
    • Zhang, W.C.1    Nakao, T.2    Moriyoshi, M.3    Nakada, K.4    Ohtaki, T.5    Ribadu, A.Y.6    Tanaka, Y.7


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.