메뉴 건너뛰기




Volumn 193, Issue 12, 2007, Pages 1265-1271

Altering cAMP levels within a central pattern generator modifies or disrupts rhythmic motor output

Author keywords

Caged cAMP; Central pattern generator; Neuromodulation; Second messenger signaling; Serotonergic neurons

Indexed keywords

(2 NITROPHENYL)ETHYL CYCLIC ADENOSINE MONOPHOSPHATE; (2-NITROPHENYL)ETHYL-CYCLIC ADENOSINE MONOPHOSPHATE; 2 [4 (2 CARBOXYETHYL)PHENETHYLAMINO]ADENOSINE 5' (N ETHYLCARBOXAMIDE); ADENOSINE; CYCLIC AMP; CYCLIC CMP; DIBUTYRYL CYCLIC 3',5' CYTIDINE MONOPHOSPHATE; DIBUTYRYL CYCLIC-3',5'-CYTIDINE MONOPHOSPHATE; DRUG DERIVATIVE; ENZYME INHIBITOR; ISOBUTYLMETHYLXANTHINE; PHENETHYLAMINE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 36448974556     PISSN: 03407594     EISSN: 14321351     Source Type: Journal    
DOI: 10.1007/s00359-007-0280-4     Document Type: Article
Times cited : (5)

References (53)
  • 1
    • 0032146142 scopus 로고    scopus 로고
    • Cloning and functional expression of an Aplysia 5-HT receptor negatively coupled to adenylate cyclase
    • Angers A, Storozhuk MV, Duchaine T, Castellucci VF, DesGroseillers L (1998) Cloning and functional expression of an Aplysia 5-HT receptor negatively coupled to adenylate cyclase. J Neurosci 18:5586-5593
    • (1998) J Neurosci , vol.18 , pp. 5586-5593
    • Angers, A.1    Storozhuk, M.V.2    Duchaine, T.3    Castellucci, V.F.4    Desgroseillers, L.5
  • 2
    • 0028129315 scopus 로고
    • Computational functions in biochemical reaction networks
    • Arkin A, Ross J (1994) Computational functions in biochemical reaction networks. Biophys J 67:560-578
    • (1994) Biophys J , vol.67 , pp. 560-578
    • Arkin, A.1    Ross, J.2
  • 3
    • 0036327928 scopus 로고    scopus 로고
    • Functional characterization of a novel serotonin receptor (5-HTap2) expressed in the CNS of Aplysia californica
    • Barbas D, Zappulla JP, Angers S, Bouvier M, Castellucci VF, DesGroseillers L (2002) Functional characterization of a novel serotonin receptor (5-HTap2) expressed in the CNS of Aplysia californica. J Neurochem 80:335-345
    • (2002) J Neurochem , vol.80 , pp. 335-345
    • Barbas, D.1    Zappulla, J.P.2    Angers, S.3    Bouvier, M.4    Castellucci, V.F.5    Desgroseillers, L.6
  • 4
    • 0033555859 scopus 로고    scopus 로고
    • Emergent properties of networks of biological signaling pathways
    • Bhalla US, Iyengar R (1999) Emergent properties of networks of biological signaling pathways. Science 283:381-387
    • (1999) Science , vol.283 , pp. 381-387
    • Bhalla, U.S.1    Iyengar, R.2
  • 5
    • 20444385880 scopus 로고    scopus 로고
    • Regulation of cyclic nucleotide-gated channels
    • Bradley J, Reisert J, Frings S (2005) Regulation of cyclic nucleotide-gated channels. Curr Opin Neurobiol 15:343-349
    • (2005) Curr Opin Neurobiol , vol.15 , pp. 343-349
    • Bradley, J.1    Reisert, J.2    Frings, S.3
  • 6
    • 0034659365 scopus 로고    scopus 로고
    • Adenosine A1 receptors modulate high voltage-activated Ca2+ currents and motor pattern generation in the Xenopus embryo
    • Pt 3
    • Brown P, Dale N (2000) Adenosine A1 receptors modulate high voltage-activated Ca2+ currents and motor pattern generation in the Xenopus embryo. J Physiol 525(Pt 3):655-667
    • (2000) J Physiol , vol.525 , pp. 655-667
    • Brown, P.1    Dale, N.2
  • 7
    • 0017094614 scopus 로고
    • Synaptic facilitation and behavioral sensitization in Aplysia: Possible role of serotonin and cyclic AMP
    • Brunelli M, Castellucci V, Kandel ER (1976) Synaptic facilitation and behavioral sensitization in Aplysia: possible role of serotonin and cyclic AMP. Science 194:1178-1181
    • (1976) Science , vol.194 , pp. 1178-1181
    • Brunelli, M.1    Castellucci, V.2    Kandel, E.R.3
  • 8
    • 35348888375 scopus 로고    scopus 로고
    • Parameter space analysis suggests multi-site plasticity contributes to motor pattern initiation in Tritonia
    • 4
    • Calin-Jageman RJ, Tunstall MJ, Mensh BD, Katz PS, Frost WN (2007) Parameter space analysis suggests multi-site plasticity contributes to motor pattern initiation in Tritonia. J Neurophysiol 98(4):2382-2398
    • (2007) J Neurophysiol , vol.98 , pp. 2382-2398
    • Calin-Jageman, R.J.1    Tunstall, M.J.2    Mensh, B.D.3    Katz, P.S.4    Frost, W.N.5
  • 9
    • 0034990378 scopus 로고    scopus 로고
    • CAMP modulates the excitability of immortalized hypothalamic (GT1) neurons via a cyclic nucleotide gated channel
    • Charles A, Weiner R, Costantin J (2001) cAMP modulates the excitability of immortalized hypothalamic (GT1) neurons via a cyclic nucleotide gated channel. Mol Endocrinol 15:997-1009
    • (2001) Mol Endocrinol , vol.15 , pp. 997-1009
    • Charles, A.1    Weiner, R.2    Costantin, J.3
  • 10
    • 0000181213 scopus 로고    scopus 로고
    • Metabotropic serotonergic receptors in a central pattern generating circuit control rhythmic motor pattern production and mediate some intrinsic neuromodulatory actions via cAMP
    • Clemens S, Katz PS (2000) Metabotropic serotonergic receptors in a central pattern generating circuit control rhythmic motor pattern production and mediate some intrinsic neuromodulatory actions via cAMP. Eur J Neurosci 12:158
    • (2000) Eur J Neurosci , vol.12 , pp. 158
    • Clemens, S.1    Katz, P.S.2
  • 11
    • 0035186875 scopus 로고    scopus 로고
    • Identified serotonergic neurons in the Tritonia swim CPG activate both ionotropic and metabotropic receptors
    • Clemens S, Katz PS (2001a) Identified serotonergic neurons in the Tritonia swim CPG activate both ionotropic and metabotropic receptors. J Neurophysiol 85:476-479
    • (2001) J Neurophysiol , vol.85 , pp. 476-479
    • Clemens, S.1    Katz, P.S.2
  • 12
    • 36448930751 scopus 로고    scopus 로고
    • Photolysis of intracellularly injected caged cyclic AMP rapidly affects the Tritonia swim CPG
    • Clemens S, Katz PS (2001b) Photolysis of intracellularly injected caged cyclic AMP rapidly affects the Tritonia swim CPG. Soc Neurosci Abstr 27:306.29
    • (2001) Soc Neurosci Abstr , vol.27 , pp. 30629
    • Clemens, S.1    Katz, P.S.2
  • 13
    • 0037322532 scopus 로고    scopus 로고
    • G protein signaling in a neuronal network is necessary for rhythmic motor pattern production
    • Clemens S, Katz PS (2003) G protein signaling in a neuronal network is necessary for rhythmic motor pattern production. J Neurophysiol 89:762-772
    • (2003) J Neurophysiol , vol.89 , pp. 762-772
    • Clemens, S.1    Katz, P.S.2
  • 14
    • 0344406149 scopus 로고    scopus 로고
    • Pharmacological characterization of an adenylyl cyclase-coupled 5-HT receptor in Aplysia: Comparison with mammalian 5-HT receptors
    • Cohen JE, Onyike CU, McElroy VL, Lin AH, Abrams TW (2003) Pharmacological characterization of an adenylyl cyclase-coupled 5-HT receptor in Aplysia: comparison with mammalian 5-HT receptors. J Neurophysiol 89:1440-1455
    • (2003) J Neurophysiol , vol.89 , pp. 1440-1455
    • Cohen, J.E.1    Onyike, C.U.2    McElroy, V.L.3    Lin, A.H.4    Abrams, T.W.5
  • 15
    • 0242468744 scopus 로고    scopus 로고
    • Regulation and organization of adenylyl cyclases and cAMP
    • Cooper DM (2003) Regulation and organization of adenylyl cyclases and cAMP. Biochem J 375:517-529
    • (2003) Biochem J , vol.375 , pp. 517-529
    • Cooper, D.M.1
  • 16
    • 0028949133 scopus 로고
    • Adenylyl cylases and the interaction between calcium and cAMP signaling
    • Cooper DMF, Mons N, Karpen JW (1995) Adenylyl cylases and the interaction between calcium and cAMP signaling. Nature 374:421-424
    • (1995) Nature , vol.374 , pp. 421-424
    • Cooper, D.M.F.1    Mons, N.2    Karpen, J.W.3
  • 17
    • 0032528918 scopus 로고    scopus 로고
    • Delayed production of adenosine underlies temporal modulation of swimming in frog embryo
    • Dale N (1998) Delayed production of adenosine underlies temporal modulation of swimming in frog embryo. J Physiol (Lond) 511:265-272
    • (1998) J Physiol (Lond) , vol.511 , pp. 265-272
    • Dale, N.1
  • 18
    • 0029838634 scopus 로고    scopus 로고
    • Regulation of rhythmic movements by purinergic neurotransmitters in frog embryos
    • Dale N, Gilday D (1996) Regulation of rhythmic movements by purinergic neurotransmitters in frog embryos. Nature 383:259-2263
    • (1996) Nature , vol.383 , pp. 259-2263
    • Dale, N.1    Gilday, D.2
  • 19
    • 0031452481 scopus 로고    scopus 로고
    • Ion channels and the control of swimming in the Xenopus embryo
    • Dale N, Kuenzi FM (1997) Ion channels and the control of swimming in the Xenopus embryo. Prog Neurobiol 53:729-756
    • (1997) Prog Neurobiol , vol.53 , pp. 729-756
    • Dale, N.1    Kuenzi, F.M.2
  • 20
    • 0032498172 scopus 로고    scopus 로고
    • Sensitivity of CaM kinase II to the frequency of Ca2+ oscillations
    • De Koninck P, Schulman H (1998) Sensitivity of CaM kinase II to the frequency of Ca2+ oscillations. Science 279:227-230
    • (1998) Science , vol.279 , pp. 227-230
    • De Koninck, P.1    Schulman, H.2
  • 21
    • 1642575221 scopus 로고    scopus 로고
    • Association of cyclic adenosine monophosphate with permeability barrier homeostasis of murine skin
    • Denda M, Fuziwara S, Inoue K (2004) Association of cyclic adenosine monophosphate with permeability barrier homeostasis of murine skin. J Invest Dermatol 122:140-146
    • (2004) J Invest Dermatol , vol.122 , pp. 140-146
    • Denda, M.1    Fuziwara, S.2    Inoue, K.3
  • 22
    • 0029912505 scopus 로고    scopus 로고
    • Parametric features of habituation of swim cycle number in the marine mollusc Tritonia diomedea
    • Frost WN, Brown GD, Getting PA (1996) Parametric features of habituation of swim cycle number in the marine mollusc Tritonia diomedea. Neurobiol Learn Mem 65:125-134
    • (1996) Neurobiol Learn Mem , vol.65 , pp. 125-134
    • Frost, W.N.1    Brown, G.D.2    Getting, P.A.3
  • 23
    • 27544486835 scopus 로고    scopus 로고
    • Termination of cAMP signals by Ca2+ and G(alpha)i via extracellular Ca2+ sensors: A link to intracellular Ca2+ oscillations
    • Gerbino A, Ruder WC, Curci S, Pozzan T, Zaccolo M, Hofer AM (2005) Termination of cAMP signals by Ca2+ and G(alpha)i via extracellular Ca2+ sensors: a link to intracellular Ca2+ oscillations. J Cell Biol 171:303-312
    • (2005) J Cell Biol , vol.171 , pp. 303-312
    • Gerbino, A.1    Ruder, W.C.2    Curci, S.3    Pozzan, T.4    Zaccolo, M.5    Hofer, A.M.6
  • 24
    • 0019499663 scopus 로고
    • Mechanisms of pattern generation underlying swimming in Tritonia. I. Neuronal network formed by monosynaptic connections
    • Getting PA (1981) Mechanisms of pattern generation underlying swimming in Tritonia. I. Neuronal network formed by monosynaptic connections. J Neurophysiol 46:65-79
    • (1981) J Neurophysiol , vol.46 , pp. 65-79
    • Getting, P.A.1
  • 25
    • 0001935159 scopus 로고
    • A network oscillator underlying swimming in Tritonia
    • Marcel Decker New York
    • Getting PA (1989a) A network oscillator underlying swimming in Tritonia. In: Jackelt JW (ed) Neuronal and cellular oscillators. Marcel Decker, New York, pp 215-236
    • (1989) Neuronal and Cellular Oscillators , pp. 215-236
    • Getting, P.A.1    Jackelt, J.W.2
  • 27
    • 0021922792 scopus 로고
    • Mechanisms of pattern generation underlying swimming in Tritonia. IV. Gating of central pattern generator
    • Getting PA, Dekin MS (1985) Mechanisms of pattern generation underlying swimming in Tritonia. IV. Gating of central pattern generator. J Neurophysiol 53:466-480
    • (1985) J Neurophysiol , vol.53 , pp. 466-480
    • Getting, P.A.1    Dekin, M.S.2
  • 28
    • 0018854030 scopus 로고
    • Central pattern generator mediating swimming in Tritonia. I. Identification and synaptic interactions
    • Getting PA, Lennard PR, Hume RI (1980) Central pattern generator mediating swimming in Tritonia. I. Identification and synaptic interactions. J Neurophysiol 44:151-164
    • (1980) J Neurophysiol , vol.44 , pp. 151-164
    • Getting, P.A.1    Lennard, P.R.2    Hume, R.I.3
  • 29
    • 33947131128 scopus 로고    scopus 로고
    • Role of membrane potential in calcium signaling during rhythmic bursting in Tritonia swim interneurons
    • 3
    • Hill ES, Katz PS (2007) Role of membrane potential in calcium signaling during rhythmic bursting in Tritonia swim interneurons. J Neurophysiol 97(3):2204-2214
    • (2007) J Neurophysiol , vol.97 , pp. 2204-2214
    • Hill, E.S.1    Katz, P.S.2
  • 30
    • 0029564463 scopus 로고
    • Intrinsic and extrinsic neuromodulation of motor circuits
    • Katz PS (1995) Intrinsic and extrinsic neuromodulation of motor circuits. Curr Opin Neurobiol 5:799-808
    • (1995) Curr Opin Neurobiol , vol.5 , pp. 799-808
    • Katz, P.S.1
  • 31
    • 36448956285 scopus 로고    scopus 로고
    • Scholarpedia
    • Katz PS (2007) Tritonia. Scholarpedia, p 15109
    • (2007) Tritonia , pp. 15109
    • Katz, P.S.1
  • 32
    • 0035055210 scopus 로고    scopus 로고
    • Biochemical networks in nervous systems: Expanding neuronal information capacity beyond voltage signals
    • Katz PS, Clemens S (2001) Biochemical networks in nervous systems: expanding neuronal information capacity beyond voltage signals. Trends Neurosci 24:18-25
    • (2001) Trends Neurosci , vol.24 , pp. 18-25
    • Katz, P.S.1    Clemens, S.2
  • 33
    • 0029584907 scopus 로고
    • Intrinsic neuromodulation in the Tritonia swim CPG: Serotonin mediates both neuromodulation and neurotransmission by the dorsal swim interneurons
    • Katz PS, Frost WN (1995a) Intrinsic neuromodulation in the Tritonia swim CPG: serotonin mediates both neuromodulation and neurotransmission by the dorsal swim interneurons. J Neurophysiol 74:2281-2294
    • (1995) J Neurophysiol , vol.74 , pp. 2281-2294
    • Katz, P.S.1    Frost, W.N.2
  • 34
    • 0029046650 scopus 로고
    • Intrinsic neuromodulation in the Tritonia swim CPG: The serotonergic dorsal swim interneurons act presynaptically to enhance transmitter release from interneuron C2
    • Katz PS, Frost WN (1995b) Intrinsic neuromodulation in the Tritonia swim CPG: the serotonergic dorsal swim interneurons act presynaptically to enhance transmitter release from interneuron C2. J Neurosci 15:6035-6045
    • (1995) J Neurosci , vol.15 , pp. 6035-6045
    • Katz, P.S.1    Frost, W.N.2
  • 35
    • 0030026518 scopus 로고    scopus 로고
    • Intrinsic neuromodulation: Altering neuronal circuits from within
    • Katz PS, Frost WN (1996) Intrinsic neuromodulation: altering neuronal circuits from within. Trends Neurosci 19:54-61
    • (1996) Trends Neurosci , vol.19 , pp. 54-61
    • Katz, P.S.1    Frost, W.N.2
  • 36
    • 0028091201 scopus 로고
    • Dynamic neuromodulation and synaptic strength intrinsic to a central pattern generator circuit
    • Katz PS, Getting PA, Frost WN (1994) Dynamic neuromodulation and synaptic strength intrinsic to a central pattern generator circuit. Nature 367:729-731
    • (1994) Nature , vol.367 , pp. 729-731
    • Katz, P.S.1    Getting, P.A.2    Frost, W.N.3
  • 37
    • 4143109142 scopus 로고    scopus 로고
    • Cycle period of a network oscillator is independent of membrane potential and spiking activity in individual central pattern generator neurons
    • Katz PS, Sakurai A, Clemens S, Davis D (2004) Cycle period of a network oscillator is independent of membrane potential and spiking activity in individual central pattern generator neurons. J Neurophysiol 92:1904-1917
    • (2004) J Neurophysiol , vol.92 , pp. 1904-1917
    • Katz, P.S.1    Sakurai, A.2    Clemens, S.3    Davis, D.4
  • 40
    • 0018831680 scopus 로고
    • Central pattern generator mediating swimming in Tritonia. II. Initiation, maintenance, and termination
    • Lennard PR, Getting PA, Hume RI (1980) Central pattern generator mediating swimming in Tritonia. II. Initiation, maintenance, and termination. J Neurophysiol 44:165-173
    • (1980) J Neurophysiol , vol.44 , pp. 165-173
    • Lennard, P.R.1    Getting, P.A.2    Hume, R.I.3
  • 41
    • 0018073422 scopus 로고
    • Adenylate cyclase in isolated Helix and Aplysia neuronal cell bodies: Stimulation by serotonin and peptide-containing extract
    • 2
    • Levitan IB (1978) Adenylate cyclase in isolated Helix and Aplysia neuronal cell bodies: stimulation by serotonin and peptide-containing extract. Brain Res 154(2):404-408
    • (1978) Brain Res , vol.154 , pp. 404-408
    • Levitan, I.B.1
  • 42
    • 0027461165 scopus 로고
    • Contribution of the ciliary cyclic nucleotide-gated conductance to olfactory transduction in the salamander
    • Lowe G, Gold GH (1993) Contribution of the ciliary cyclic nucleotide-gated conductance to olfactory transduction in the salamander. J Physiol 462:175-196
    • (1993) J Physiol , vol.462 , pp. 175-196
    • Lowe, G.1    Gold, G.H.2
  • 43
    • 0029847273 scopus 로고    scopus 로고
    • Principles of rhythmic motor pattern generation
    • Marder E, Calabrese RL (1996) Principles of rhythmic motor pattern generation. Physiol Rev 76:687-717
    • (1996) Physiol Rev , vol.76 , pp. 687-717
    • Marder, E.1    Calabrese, R.L.2
  • 44
    • 0028370509 scopus 로고
    • Modulation of swimming in Tritonia: Excitatory and inhibitory effects of serotonin
    • McClellan AD, Brown GD, Getting PA (1994) Modulation of swimming in Tritonia: excitatory and inhibitory effects of serotonin. J Comp Physiol A 174:257-266
    • (1994) J Comp Physiol a , vol.174 , pp. 257-266
    • McClellan, A.D.1    Brown, G.D.2    Getting, P.A.3
  • 45
    • 0033895842 scopus 로고    scopus 로고
    • Cyclic nucleotide-gated channels colocalize with adenylyl cyclase in regions of restricted cAMP diffusion
    • Rich TC, Fagan KA, Nakata H, Schaack J, Cooper DM, Karpen JW (2000) Cyclic nucleotide-gated channels colocalize with adenylyl cyclase in regions of restricted cAMP diffusion. J Gen Physiol 116:147-161
    • (2000) J Gen Physiol , vol.116 , pp. 147-161
    • Rich, T.C.1    Fagan, K.A.2    Nakata, H.3    Schaack, J.4    Cooper, D.M.5    Karpen, J.W.6
  • 46
    • 0344198019 scopus 로고    scopus 로고
    • Spike timing-dependent serotonergic neuromodulation of synaptic strength intrinsic to a central pattern generator circuit
    • Sakurai A, Katz PS (2003) Spike timing-dependent serotonergic neuromodulation of synaptic strength intrinsic to a central pattern generator circuit. J Neurosci 23:10745-10755
    • (2003) J Neurosci , vol.23 , pp. 10745-10755
    • Sakurai, A.1    Katz, P.S.2
  • 47
    • 33644554862 scopus 로고    scopus 로고
    • Serotonergic enhancement of a 4-AP-sensitive current mediates the synaptic depression phase of spike timing-dependent neuromodulation
    • Sakurai A, Darghouth NR, Butera RJ, Katz PS (2006) Serotonergic enhancement of a 4-AP-sensitive current mediates the synaptic depression phase of spike timing-dependent neuromodulation. J Neurosci 26:2010-2021
    • (2006) J Neurosci , vol.26 , pp. 2010-2021
    • Sakurai, A.1    Darghouth, N.R.2    Butera, R.J.3    Katz, P.S.4
  • 48
    • 0030932008 scopus 로고    scopus 로고
    • Cyclic AMP levels, adenylyl cyclase activity, and their stimulation by serotonin quantified in intact neurons
    • 3
    • Sudlow LC, Gillette R (1997) Cyclic AMP levels, adenylyl cyclase activity, and their stimulation by serotonin quantified in intact neurons. J Gen Physiol 110(3):243-255
    • (1997) J Gen Physiol , vol.110 , pp. 243-255
    • Sudlow, L.C.1    Gillette, R.2
  • 49
    • 0013527605 scopus 로고
    • Control of a fixed action pattern by single, central neurons in the marine mollusk, Tritonia diomedea
    • Taghert PH, Willows AOD (1978) Control of a fixed action pattern by single, central neurons in the marine mollusk, Tritonia diomedea. J Comp Physiol A 123:253-259
    • (1978) J Comp Physiol a , vol.123 , pp. 253-259
    • Taghert, P.H.1    Willows, A.O.D.2
  • 50
    • 0035087779 scopus 로고    scopus 로고
    • Structure and function of invertebrate 5-HT receptors: A review
    • Tierney AJ (2001) Structure and function of invertebrate 5-HT receptors: a review. Comp Biochem Physiol 128:791-804
    • (2001) Comp Biochem Physiol , vol.128 , pp. 791-804
    • Tierney, A.J.1
  • 51
    • 33645222621 scopus 로고    scopus 로고
    • Ca2+ stimulation of adenylyl cyclase generates dynamic oscillations in cyclic AMP
    • Willoughby D, Cooper DM (2006) Ca2+ stimulation of adenylyl cyclase generates dynamic oscillations in cyclic AMP. J Cell Sci 119:828-836
    • (2006) J Cell Sci , vol.119 , pp. 828-836
    • Willoughby, D.1    Cooper, D.M.2
  • 52
    • 0040376475 scopus 로고
    • Neuronal network triggering a fixed action pattern
    • Willows AOD, Hoyle G (1969) Neuronal network triggering a fixed action pattern. Science 166:1549-1551
    • (1969) Science , vol.166 , pp. 1549-1551
    • Willows, A.O.D.1    Hoyle, G.2
  • 53
    • 3843145622 scopus 로고    scopus 로고
    • Modeling interactions between electrical activity and second-messenger cascades in Aplysia neuron R15
    • Yu X, Byrne JH, Baxter DA (2004) Modeling interactions between electrical activity and second-messenger cascades in Aplysia neuron R15. J Neurophysiol 91:2297-2311
    • (2004) J Neurophysiol , vol.91 , pp. 2297-2311
    • Yu, X.1    Byrne, J.H.2    Baxter, D.A.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.