메뉴 건너뛰기




Volumn 116, Issue 2, 2010, Pages 647-659

Nicotine diminishes testicular gametogenesis, steroidogenesis, and steroidogenic acute regulatory protein expression in adult albino rats: Possible influence on pituitary gonadotropins and alteration of testicular antioxidant status

Author keywords

Androgenesis; Antioxidants; Lipid peroxidation; Nicotine; Spermatogenesis; Testosterone

Indexed keywords

ANDROGEN; ANTIOXIDANT; CHORIONIC GONADOTROPIN; CORTICOSTERONE; GLUTATHIONE; GONADOTROPIN; HYDROGEN PEROXIDE; HYDROXYL RADICAL; NICOTINE; STEROIDOGENIC ACUTE REGULATORY PROTEIN; TAURINE; TESTOSTERONE; 3(OR 17)BETA HYDROXYSTEROID DEHYDROGENASE; HYDROXYSTEROID DEHYDROGENASE; PHOSPHOPROTEIN; REACTIVE OXYGEN METABOLITE;

EID: 77955069710     PISSN: 10966080     EISSN: 10960929     Source Type: Journal    
DOI: 10.1093/toxsci/kfq149     Document Type: Article
Times cited : (98)

References (51)
  • 1
    • 0021063651 scopus 로고
    • Taurine, hypotaurine, epinephrine and albumin inhibit lipid peroxidation in rabbit spermatozoa and protect against loss of motility
    • Alvarez, J. G., and Storey, B. T. (1983). Taurine, hypotaurine, epinephrine and albumin inhibit lipid peroxidation in rabbit spermatozoa and protect against loss of motility. Biol. Reprod. 29, 548-555.
    • (1983) Biol. Reprod. , vol.29 , pp. 548-555
    • Alvarez, J.G.1    Storey, B.T.2
  • 2
    • 6344278166 scopus 로고    scopus 로고
    • Nicotinic infertility: assessing DNA and plasma membrane integrity of human spermatozoa
    • Arabi, M. (2004). Nicotinic infertility: assessing DNA and plasma membrane integrity of human spermatozoa. Andrologia 36, 305-310.
    • (2004) Andrologia , vol.36 , pp. 305-310
    • Arabi, M.1
  • 3
    • 27144520238 scopus 로고    scopus 로고
    • Chronic chromium exposure-induced changes in testicular histoarchitecture are associated with oxidative stress: study in a non-human primate (Macaca radiata Geoffroy
    • Aruldhas, M. M., Subramanian, S., Sekar, P., Vengatesh, G., Chandrahasan, G., Govindarajulu, P., and Akbarsha, M. A. (2005). Chronic chromium exposure-induced changes in testicular histoarchitecture are associated with oxidative stress: study in a non-human primate (Macaca radiata Geoffroy. Human Reprod. 20, 2801-2813.
    • (2005) Human Reprod , vol.20 , pp. 2801-2813
    • Aruldhas, M.M.1    Subramanian, S.2    Sekar, P.3    Vengatesh, G.4    Chandrahasan, G.5    Govindarajulu, P.6    Akbarsha, M.A.7
  • 4
    • 0035729391 scopus 로고    scopus 로고
    • Nicotine toxicity to the ultra-structure of the testis in rats
    • Aydos, K., Güven, M. C., Can, B., and Ergün, A. (2001). Nicotine toxicity to the ultra-structure of the testis in rats. BJU Int. 88, 622-626.
    • (2001) BJU Int , vol.88 , pp. 622-626
    • Aydos, K.1    Güven, M.C.2    Can, B.3    Ergün, A.4
  • 5
    • 44949202367 scopus 로고    scopus 로고
    • Role of cucumin against nicotine induced genotoxicity on rat liver under restricted dietary protein
    • Bandopadhyay, G., Sinha, S., Chattopadhyay, B. D., and Chakraborty, A. (2008). Role of cucumin against nicotine induced genotoxicity on rat liver under restricted dietary protein. Eur. J. Pharmacol. 588, 151-157.
    • (2008) Eur. J. Pharmacol. , vol.588 , pp. 151-157
    • Bandopadhyay, G.1    Sinha, S.2    Chattopadhyay, B.D.3    Chakraborty, A.4
  • 6
    • 0002663724 scopus 로고
    • Active transport of glutathione disulphide from erythrocytes
    • (A. Larsen, S. Orremium, A. Holmgren, and B. Mannervick, Eds.), p. 65. Raven Press, New York
    • Beutler, E. (1983). Active transport of glutathione disulphide from erythrocytes. In Functions of Glutathione, Biochemical, Physiological, Toxicological and Clinical Aspects (A. Larsen, S. Orremium, A. Holmgren, and B. Mannervick, Eds.), p. 65. Raven Press, New York.
    • (1983) Functions of Glutathione, Biochemical, Physiological, Toxicological and Clinical Aspects
    • Beutler, E.1
  • 7
    • 0031800442 scopus 로고
    • Apoptosis precedes detachment of germ cells from the seminiferous epithelium after hormonal suppression by short-term oestradiol treatment of rats
    • Blanco-Rodriguez, J., and Martinez-Garcia, C. (1988). Apoptosis precedes detachment of germ cells from the seminiferous epithelium after hormonal suppression by short-term oestradiol treatment of rats. Int. J. Androl. 21, 109-115.
    • (1988) Int. J. Androl. , vol.21 , pp. 109-115
    • Blanco-Rodriguez, J.1    Martinez-Garcia, C.2
  • 8
    • 34548361784 scopus 로고    scopus 로고
    • Folding, activity and import of steroidogenic acute regulatory protein into mitochondria changed by nicotine exposure
    • Bose, M., Debnath, D., Chen, Y., and Bose, H. S. (2007). Folding, activity and import of steroidogenic acute regulatory protein into mitochondria changed by nicotine exposure. J. Mol. Endocrinol. 39, 67-79.
    • (2007) J. Mol. Endocrinol. , vol.39 , pp. 67-79
    • Bose, M.1    Debnath, D.2    Chen, Y.3    Bose, H.S.4
  • 9
    • 0028803246 scopus 로고
    • Taurine and ellagic acid: two differently acting natural antioxidants
    • Cozzi, R., Ricordy, R., and Bartolini, F. (1995). Taurine and ellagic acid: two differently acting natural antioxidants. Environ. Mol. Mutagen 26, 248-254.
    • (1995) Environ. Mol. Mutagen , vol.26 , pp. 248-254
    • Cozzi, R.1    Ricordy, R.2    Bartolini, F.3
  • 10
    • 0037422401 scopus 로고    scopus 로고
    • Nicotine increases oxidative stress, activates NF-kappa B and GRP78, induces apoptosis and sensitizes cells to genotoxic/xenobiotic stresses by a multiple stress inducer, deoxycholate: relevance to colon carcinogenesis
    • Crowley-Weber, C. L., Dvorakova, K., Crowley, C., Bernstein, C., Gerewal, H., and Payne, C. M. (2003). Nicotine increases oxidative stress, activates NF-kappa B and GRP78, induces apoptosis and sensitizes cells to genotoxic/xenobiotic stresses by a multiple stress inducer, deoxycholate: relevance to colon carcinogenesis. Chem. Biol. Int. 145, 53-66.
    • (2003) Chem. Biol. Int. , vol.145 , pp. 53-66
    • Crowley-Weber, C.L.1    Dvorakova, K.2    Crowley, C.3    Bernstein, C.4    Gerewal, H.5    Payne, C.M.6
  • 11
    • 0023261434 scopus 로고
    • Decreased lipid peroxidation in the rat kidney during gestation
    • Devasagayam, T. P., and Tarachand, U. (1987). Decreased lipid peroxidation in the rat kidney during gestation. Biochem. Biophys. Res. Commun. 145, 134-138.
    • (1987) Biochem. Biophys. Res. Commun. , vol.145 , pp. 134-138
    • Devasagayam, T.P.1    Tarachand, U.2
  • 12
    • 33845316890 scopus 로고    scopus 로고
    • Effect of nicotine and vitamin E on glutathione reductase activity in some rat tissues in vivo and in vitro
    • Erat, M., Ciftci, M., Gumustekin, K., and Gul, M. (2007). Effect of nicotine and vitamin E on glutathione reductase activity in some rat tissues in vivo and in vitro. Eur. J. Pharmacol. 554, 92-97.
    • (2007) Eur. J. Pharmacol. , vol.554 , pp. 92-97
    • Erat, M.1    Ciftci, M.2    Gumustekin, K.3    Gul, M.4
  • 14
    • 23044452011 scopus 로고    scopus 로고
    • Nicotine inhibits pulsatile luteinizing hormone secretion in human males but not in human females, and tolerance to this nicotine effect is lost within one week of quitting smoking
    • Funabasi, T., Sano, A., Matsusima, D., and Kimura, F. (2005). Nicotine inhibits pulsatile luteinizing hormone secretion in human males but not in human females, and tolerance to this nicotine effect is lost within one week of quitting smoking. J. Clin. Endocrinol. Metab. 90, 3908-3913.
    • (2005) J. Clin. Endocrinol. Metab. , vol.90 , pp. 3908-3913
    • Funabasi, T.1    Sano, A.2    Matsusima, D.3    Kimura, F.4
  • 15
    • 0016275313 scopus 로고
    • Glutathione S-transferase: the first step in mercapturic acid formation
    • Habig, W. H., Pabst, M. J., and Jocoby, W. B. (1974). Glutathione S-transferase: the first step in mercapturic acid formation. J. Biol. Chem. 249, 7130-7139.
    • (1974) J. Biol. Chem. , vol.249 , pp. 7130-7139
    • Habig, W.H.1    Pabst, M.J.2    Jocoby, W.B.3
  • 16
    • 0032782889 scopus 로고    scopus 로고
    • Role of cytokines in testicular function
    • Hales, D. B., Diemer, T., and Hales, K. H. (1999). Role of cytokines in testicular function. Endocrine 10, 201-217.
    • (1999) Endocrine , vol.10 , pp. 201-217
    • Hales, D.B.1    Diemer, T.2    Hales, K.H.3
  • 17
    • 0017064979 scopus 로고
    • A fluorometric method for determination of oxidized and reduced glutathione in tissues
    • Hissin, P. J., and Hilf, R. (1976). A fluorometric method for determination of oxidized and reduced glutathione in tissues. Anal. Biochem. 74, 214-226.
    • (1976) Anal. Biochem. , vol.74 , pp. 214-226
    • Hissin, P.J.1    Hilf, R.2
  • 18
    • 0019837771 scopus 로고
    • Oxygen metabolism of mammalian spermatozoa. Generation of hydrogen peroxide by rabbit epididymal spermatozoa
    • Holland, M. K., and Storey, B. T. (1981). Oxygen metabolism of mammalian spermatozoa. Generation of hydrogen peroxide by rabbit epididymal spermatozoa. Biochem. J. 198, 273-280.
    • (1981) Biochem. J. , vol.198 , pp. 273-280
    • Holland, M.K.1    Storey, B.T.2
  • 19
    • 33644839514 scopus 로고    scopus 로고
    • Effects of chronic exposure to sodium arsenite on hypothalamo-pituitary-testicular activities in adult rats: possible an estrogenic mode of action
    • Jana, K., Jana, S., and Samanta, P. K. (2006). Effects of chronic exposure to sodium arsenite on hypothalamo-pituitary-testicular activities in adult rats: possible an estrogenic mode of action. Reprod. Biol. Endocrinol. 4, 9-22.
    • (2006) Reprod. Biol. Endocrinol. , vol.4 , pp. 9-22
    • Jana, K.1    Jana, S.2    Samanta, P.K.3
  • 20
    • 43849093295 scopus 로고    scopus 로고
    • Chrysin, a natural flavonoid enhances steroidogenesis and steroidogenic acute regulatory protein gene expression in mouse Leydig cells
    • Jana, K., Yin, X., Schiffer, R. B., Chen, J. J., Pandey, A. K., Stocco, D. M., Grammas, P., and Wang, X. (2008). Chrysin, a natural flavonoid enhances steroidogenesis and steroidogenic acute regulatory protein gene expression in mouse Leydig cells. J. Endocrinol. 197, 315-323.
    • (2008) J. Endocrinol. , vol.197 , pp. 315-323
    • Jana, K.1    Yin, X.2    Schiffer, R.B.3    Chen, J.J.4    Pandey, A.K.5    Stocco, D.M.6    Grammas, P.7    Wang, X.8
  • 21
    • 0022352444 scopus 로고
    • Cigarette smoking and its possible effects on sperm
    • Kalikauskas, V., Blaustein, D., and Ablin, R. J. (1985). Cigarette smoking and its possible effects on sperm. Fertil. Steril. 44, 526-528.
    • (1985) Fertil. Steril. , vol.44 , pp. 526-528
    • Kalikauskas, V.1    Blaustein, D.2    Ablin, R.J.3
  • 22
    • 0023264591 scopus 로고
    • Modulation of gonadotropin secretion by corticosterone interaction with gonadal steroids and mechanism of action
    • Kamel, F. A., and Kubajak, C. L. (1987). Modulation of gonadotropin secretion by corticosterone interaction with gonadal steroids and mechanism of action. Endocrinol. 121, 561-565.
    • (1987) Endocrinol , vol.121 , pp. 561-565
    • Kamel, F.A.1    Kubajak, C.L.2
  • 23
    • 0032890287 scopus 로고    scopus 로고
    • Nicotine administration induced changes in the gonadal functions in male rats
    • Kavitharaj, N. K., and Vijayammal, P. L. (1999). Nicotine administration induced changes in the gonadal functions in male rats. Pharmacol. 58, 2-7.
    • (1999) Pharmacol , vol.58 , pp. 2-7
    • Kavitharaj, N.K.1    Vijayammal, P.L.2
  • 24
    • 49449098122 scopus 로고    scopus 로고
    • Effects of endocrine disrupting chemicals from leather industry effluents on male reproductive system
    • Kumar, V., Majumder, C., and Roy, P. (2008). Effects of endocrine disrupting chemicals from leather industry effluents on male reproductive system. J. Steroid Biochem. Mol. Biol. 111, 208-216.
    • (2008) J. Steroid Biochem. Mol. Biol. , vol.111 , pp. 208-216
    • Kumar, V.1    Majumder, C.2    Roy, P.3
  • 25
    • 0034054060 scopus 로고    scopus 로고
    • Immunohistochemical localization of taurine in the male reproductive organs of the rat
    • Lobo, M. V. T., Alonso, F. J. M., and del Río, R. M. (2000). Immunohistochemical localization of taurine in the male reproductive organs of the rat. J. Histochem. Cytochem. 48, 313-320.
    • (2000) J. Histochem. Cytochem. , vol.48 , pp. 313-320
    • Lobo, M.V.T.1    Alonso, F.J.M.2    del Río, R.M.3
  • 26
    • 56149115624 scopus 로고    scopus 로고
    • Cadmium induced testicular pathophysiology: prophylactic role of taurine
    • Manna, P., Sinha, M., and Sil, P. C. (2008). Cadmium induced testicular pathophysiology: prophylactic role of taurine. Reprod. Toxicol. 26, 282-291.
    • (2008) Reprod. Toxicol. , vol.26 , pp. 282-291
    • Manna, P.1    Sinha, M.2    Sil, P.C.3
  • 28
    • 33847235315 scopus 로고    scopus 로고
    • StAR search-what we know about how the steroidogenic acute regulatory protein mediates mitochondrial cholesterol import
    • Miller, W. L. (2007). StAR search-what we know about how the steroidogenic acute regulatory protein mediates mitochondrial cholesterol import. Mol. Endo. 21, 589-601.
    • (2007) Mol. Endo. , vol.21 , pp. 589-601
    • Miller, W.L.1
  • 29
    • 14044258735 scopus 로고    scopus 로고
    • Estrogen induced spermatogenic cell apoptosis occurs via the mitochondrial pathway
    • Mishra, D. P., and Shaha, C. (2005). Estrogen induced spermatogenic cell apoptosis occurs via the mitochondrial pathway. J. Biol. Chem. 280, 6181-6196.
    • (2005) J. Biol. Chem. , vol.280 , pp. 6181-6196
    • Mishra, D.P.1    Shaha, C.2
  • 30
    • 33947314329 scopus 로고    scopus 로고
    • Effects of vitamins C and E on steroidogenic enzymes mRNA expression in polychlorinated biphenyl (Aroclor 1254) exposed adult rat Leydig cells
    • Murugesan, P., Muthusamy, T., Balasubramanian, K., and Arunakaran, J. (2007). Effects of vitamins C and E on steroidogenic enzymes mRNA expression in polychlorinated biphenyl (Aroclor 1254) exposed adult rat Leydig cells. Toxicology 232, 170-182.
    • (2007) Toxicology , vol.232 , pp. 170-182
    • Murugesan, P.1    Muthusamy, T.2    Balasubramanian, K.3    Arunakaran, J.4
  • 32
    • 78651192523 scopus 로고
    • Isolation of c-glutamyl transpeptidase from hog kidney
    • Orlowski, M., and Meister, A. (1965). Isolation of c-glutamyl transpeptidase from hog kidney. J. Biol. Chem. 240, 338-347.
    • (1965) J. Biol. Chem. , vol.240 , pp. 338-347
    • Orlowski, M.1    Meister, A.2
  • 33
    • 0025022323 scopus 로고
    • Nicotine and cotinine inhibit steroidogenesis in mouse Leydig cells
    • Patterson, T. R., Stringham, J. D., and Meikle, A. W. (1990). Nicotine and cotinine inhibit steroidogenesis in mouse Leydig cells. Life Sci. 46, 265-272.
    • (1990) Life Sci , vol.46 , pp. 265-272
    • Patterson, T.R.1    Stringham, J.D.2    Meikle, A.W.3
  • 34
    • 0023900407 scopus 로고
    • Effect of oxygen concentration on microsomal oxidation of ethanol and generation of oxygen radicals
    • Puntaqulo, S., and Cederbaum, A. I. (1988). Effect of oxygen concentration on microsomal oxidation of ethanol and generation of oxygen radicals. Biochem. J. 251, 787-794.
    • (1988) Biochem. J. , vol.251 , pp. 787-794
    • Puntaqulo, S.1    Cederbaum, A.I.2
  • 36
    • 0037259921 scopus 로고    scopus 로고
    • Adrenal-mediated rather than direct effects of nicotine as a basis of altered sex steroid synthesis in fetal and neonatal rat
    • Sarasin, A., Schlumpf, M., Müller, M., Fleischmann, I., Lauber, M. E., and Lichtensteiger, W. (2003). Adrenal-mediated rather than direct effects of nicotine as a basis of altered sex steroid synthesis in fetal and neonatal rat. Reprod. Toxicol. 17, 153-162.
    • (2003) Reprod. Toxicol. , vol.17 , pp. 153-162
    • Sarasin, A.1    Schlumpf, M.2    Müller, M.3    Fleischmann, I.4    Lauber, M.E.5    Lichtensteiger, W.6
  • 37
    • 36049048915 scopus 로고    scopus 로고
    • Protective effect of selenium on nicotine-induced testicular toxicity in rats
    • Seema, P., Swathy, S. S., and Indira, M. (2007). Protective effect of selenium on nicotine-induced testicular toxicity in rats. Biol. Trace Elem. Res. 120, 212-218.
    • (2007) Biol. Trace Elem. Res. , vol.120 , pp. 212-218
    • Seema, P.1    Swathy, S.S.2    Indira, M.3
  • 38
    • 0024587326 scopus 로고
    • Prenatal administration of nicotine alters subsequent sexual behaviour and testosterone levels of male rats
    • Segarra, A. C., and Strand, F. L. (1989). Prenatal administration of nicotine alters subsequent sexual behaviour and testosterone levels of male rats. Brain Res. 480, 151-159.
    • (1989) Brain Res , vol.480 , pp. 151-159
    • Segarra, A.C.1    Strand, F.L.2
  • 39
    • 17844386094 scopus 로고    scopus 로고
    • Protective effects of taurine against nicotine-induced oxidative damage of rat urinary bladder and kidney
    • Sener, G., Sehirli, O., Ipcxi, Y., Cetinel, S., Cikler, E., Gedik, N., and Alican, I. (2005a). Protective effects of taurine against nicotine-induced oxidative damage of rat urinary bladder and kidney. Pharmacol. 74, 37-44.
    • (2005) Pharmacol , vol.74 , pp. 37-44
    • Sener, G.1    Sehirli, O.2    Ipcxi, Y.3    Cetinel, S.4    Cikler, E.5    Gedik, N.6    Alican, I.7
  • 43
    • 0026589413 scopus 로고
    • Testosterone and spermatogenesis: identification of stage dependent, androgen-regulated proteins secreted by adult rat seminiferous tubules
    • Sharpe, R. M., Maddocks, S., Millar, M., Saunders, P. T. K., Kerr, J. B., and McKinnell, C. (1992). Testosterone and spermatogenesis: identification of stage dependent, androgen-regulated proteins secreted by adult rat seminiferous tubules. J. Androl. 13, 172-184.
    • (1992) J. Androl. , vol.13 , pp. 172-184
    • Sharpe, R.M.1    Maddocks, S.2    Millar, M.3    Saunders, P.T.K.4    Kerr, J.B.5    McKinnell, C.6
  • 44
    • 0014668096 scopus 로고
    • Purification and properties of glutathione reductase of human erythrocytes
    • Staal, G. E., Visser, J., and Veeger, C. (1969). Purification and properties of glutathione reductase of human erythrocytes. Biochem. Biophy. Acta 185, 39-48.
    • (1969) Biochem. Biophy. Acta , vol.185 , pp. 39-48
    • Staal, G.E.1    Visser, J.2    Veeger, C.3
  • 45
    • 0035047848 scopus 로고    scopus 로고
    • StAR protein and the regulation of steroid hormone biosynthesis
    • Stocco, D. M. (2001). StAR protein and the regulation of steroid hormone biosynthesis. Annual Rev. Physiol. 63, 193-213.
    • (2001) Annual Rev. Physiol. , vol.63 , pp. 193-213
    • Stocco, D.M.1
  • 46
    • 0030047248 scopus 로고    scopus 로고
    • Regulation of the acute production of steroids in steroidogenic cells
    • Stocco, D. M., and Clark, B. (1996). Regulation of the acute production of steroids in steroidogenic cells. Endocrine Rev. 17, 221-244.
    • (1996) Endocrine Rev , vol.17 , pp. 221-244
    • Stocco, D.M.1    Clark, B.2
  • 47
    • 0027132475 scopus 로고
    • The effects of hydrogen peroxide on steroidogenesis in mouse Leydig tumor cells
    • Stocco, D. M., Wells, J., and Clark, B. J. (1993). The effects of hydrogen peroxide on steroidogenesis in mouse Leydig tumor cells. Endocrinol. 133, 2827-2832.
    • (1993) Endocrinol , vol.133 , pp. 2827-2832
    • Stocco, D.M.1    Wells, J.2    Clark, B.J.3
  • 48
    • 37149024116 scopus 로고    scopus 로고
    • Influence of ferulic acid on nicotine induced lipid peroxidation, DNA damage and inflammation in experimental rats as compared to N-acetylcysteine
    • Sudheer, A. R., Muthukumaran, S., Devipriya, N., Devraj, H., and Menon, V. P. (2008). Influence of ferulic acid on nicotine induced lipid peroxidation, DNA damage and inflammation in experimental rats as compared to N-acetylcysteine. Toxicology 243, 317-329.
    • (2008) Toxicology , vol.243 , pp. 317-329
    • Sudheer, A.R.1    Muthukumaran, S.2    Devipriya, N.3    Devraj, H.4    Menon, V.P.5
  • 49
    • 0030485052 scopus 로고    scopus 로고
    • Smoking and male reproduction: a review
    • Vine, M. F. (1996). Smoking and male reproduction: a review. Int. J. Androl. 19, 323-337.
    • (1996) Int. J. Androl. , vol.19 , pp. 323-337
    • Vine, M.F.1
  • 50
    • 0011796077 scopus 로고
    • Chemical induction of sperm abnormalities in mice
    • Wyrobek, A. J., and Bruce, W. R. (1975). Chemical induction of sperm abnormalities in mice. Proc. Nat. Acad. Sci. U.S.A. 72, 4425-4429.
    • (1975) Proc. Nat. Acad. Sci. U.S.A. , vol.72 , pp. 4425-4429
    • Wyrobek, A.J.1    Bruce, W.R.2
  • 51
    • 0031978651 scopus 로고    scopus 로고
    • Effects of smoking on testicular function and fertilizing potential in rats
    • Yamamoto, Y., Isoyama, E., Sofikitis, N., and Miyagawa, I. (1998). Effects of smoking on testicular function and fertilizing potential in rats. Urol. Res. 26, 45-48.
    • (1998) Urol. Res. , vol.26 , pp. 45-48
    • Yamamoto, Y.1    Isoyama, E.2    Sofikitis, N.3    Miyagawa, I.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.