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Volumn 568, Issue 2, 2005, Pages 469-481

Carbachol induces burst firing of dopamine cells in the ventral tegmental area by promoting calcium entry through L-type channels in the rat

Author keywords

[No Author keywords available]

Indexed keywords

1,4 DIHYDRO 2,6 DIMETHYL 5 NITRO 4 [2 (TRIFLUOROMETHYL)PHENYL] 3 PYRIDINECARBOXYLIC ACID METHYL ESTER; 2 AMINO 5 PHOSPHONOVALERIC ACID; 4 AMINOBUTYRIC ACID RECEPTOR; 6 CYANO 7 NITRO 2,3 QUINOXALINEDIONE; ANATOXIN; APAMIN; ATROPINE; CADMIUM; CALCIUM CHANNEL BLOCKING AGENT; CALCIUM CHANNEL L TYPE; CALCIUM ION; CARBACHOL; CHOLINERGIC RECEPTOR; CHOLINERGIC RECEPTOR STIMULATING AGENT; CYCLOPIAZONIC ACID; GLUTAMATE RECEPTOR; MECAMYLAMINE; MUSCARINIC RECEPTOR; NICKEL; NICOTINIC RECEPTOR; NIFEDIPINE; NYSTATIN; PICROTOXIN; SODIUM CHANNEL BLOCKING AGENT; TETRODOTOXIN; GLUTAMIC ACID; IONOTROPIC RECEPTOR;

EID: 27644520813     PISSN: 00223751     EISSN: 14697793     Source Type: Journal    
DOI: 10.1113/jphysiol.2005.094722     Document Type: Article
Times cited : (44)

References (58)
  • 1
    • 2942740944 scopus 로고    scopus 로고
    • Vesicular dopamine release elicits an inhibitory postsynaptic current in midbrain dopamine neurons
    • Beckstead MJ, Grandy DK, Wickman K & Williams JT (2004). Vesicular dopamine release elicits an inhibitory postsynaptic current in midbrain dopamine neurons. Neuron 42, 939-946.
    • (2004) Neuron , vol.42 , pp. 939-946
    • Beckstead, M.J.1    Grandy, D.K.2    Wickman, K.3    Williams, J.T.4
  • 3
    • 0032171185 scopus 로고    scopus 로고
    • L-type calcium channels mediate a slow excitatory synaptic transmission in rat midbrain dopaminergic neurons
    • Bonci A, Grillner P, Mercuri NB & Bernardi G (1998). L-type calcium channels mediate a slow excitatory synaptic transmission in rat midbrain dopaminergic neurons. J Neurosci 18, 6693-6703.
    • (1998) J. Neurosci. , vol.18 , pp. 6693-6703
    • Bonci, A.1    Grillner, P.2    Mercuri, N.B.3    Bernardi, G.4
  • 4
    • 0035470837 scopus 로고    scopus 로고
    • 2+ dependence and time course of somatodendritic dopamine release: Substantia nigra versus striatum
    • 2+ dependence and time course of somatodendritic dopamine release: substantia nigra versus striatum. J Neurosci 21, 7841-7847.
    • (2001) J. Neurosci. , vol.21 , pp. 7841-7847
    • Chen, B.T.1    Rice, M.E.2
  • 5
    • 0028171961 scopus 로고
    • Nonlinear relationship between impulse flow, dopamine release and dopamine elimination in the rat brain in vivo
    • Chergui K, Suaud-Chagny MF & Gonon F (1994). Nonlinear relationship between impulse flow, dopamine release and dopamine elimination in the rat brain in vivo. Neuroscience 62, 641-645.
    • (1994) Neuroscience , vol.62 , pp. 641-645
    • Chergui, K.1    Suaud-Chagny, M.F.2    Gonon, F.3
  • 6
    • 2942642112 scopus 로고    scopus 로고
    • Prenatal ethanol exposure alters the postnatal development of the spontaneous electrical actiyity of dopamine neurons in the ventral tegmental area
    • Choong K & Shen R (2004). Prenatal ethanol exposure alters the postnatal development of the spontaneous electrical actiyity of dopamine neurons in the ventral tegmental area. Neuroscience 126, 1083-1091.
    • (2004) Neuroscience , vol.126 , pp. 1083-1091
    • Choong, K.1    Shen, R.2
  • 7
    • 0035994779 scopus 로고    scopus 로고
    • The significance of action potential bursting in the brain reward circuit
    • Cooper DC (2002). The significance of action potential bursting in the brain reward circuit. Neurochem Int 41, 333-340.
    • (2002) Neurochem. Int. , vol.41 , pp. 333-340
    • Cooper, D.C.1
  • 8
    • 0027991930 scopus 로고
    • Self-administered nicotine activates the mesolimbic dopamine system through the ventral tegmental area
    • Corrigall WA, Coen KM & Adamson KL (1994). Self-administered nicotine activates the mesolimbic dopamine system through the ventral tegmental area. Brain Res 653, 278-284.
    • (1994) Brain Res. , vol.653 , pp. 278-284
    • Corrigall, W.A.1    Coen, K.M.2    Adamson, K.L.3
  • 9
    • 10944256204 scopus 로고    scopus 로고
    • 2+ channels contributes to the irregular firing of dopamine neurons in neonatal rats
    • 2+ channels contributes to the irregular firing of dopamine neurons in neonatal rats. J Neurosci 24, 11079-11087.
    • (2004) J. Neurosci. , vol.24 , pp. 11079-11087
    • Cui, G.1    Okamoto, T.2    Morikawa, H.3
  • 11
    • 0033781028 scopus 로고    scopus 로고
    • Calmodulin kinase determines calcium-dependent facilitation of L-type calcium channels
    • Dzhura I, Wu Y, Colbran RJ, Balser JR & Anderson ME (2000). Calmodulin kinase determines calcium-dependent facilitation of L-type calcium channels. Nat Cell Biol 2, 173-177.
    • (2000) Nat. Cell Biol. , vol.2 , pp. 173-177
    • Dzhura, I.1    Wu, Y.2    Colbran, R.J.3    Balser, J.R.4    Anderson, M.E.5
  • 12
    • 0034066613 scopus 로고    scopus 로고
    • Selective inhibition by adenosine of mGluR IPSPs in dopamine neurons after cocaine treatment
    • Fiorillo CD & Williams JT (2000). Selective inhibition by adenosine of mGluR IPSPs in dopamine neurons after cocaine treatment. J Neurophysiol 83, 1307-1314.
    • (2000) J. Neurophysiol. , vol.83 , pp. 1307-1314
    • Fiorillo, C.D.1    Williams, J.T.2
  • 13
    • 0041859307 scopus 로고    scopus 로고
    • Afferent modulation of dopamine neuron firing differentially regulates tonic and phasic dopamine transmission
    • Floresco SB, West AR, Ash B, Moore H & Grace AA (2003). Afferent modulation of dopamine neuron firing differentially regulates tonic and phasic dopamine transmission. Nat Neurosci 6, 968-973.
    • (2003) Nat. Neurosci. , vol.6 , pp. 968-973
    • Floresco, S.B.1    West, A.R.2    Ash, B.3    Moore, H.4    Grace, A.A.5
  • 14
    • 0028025252 scopus 로고
    • Efflux of dopamine from the synaptic cleft in the nucleus accumbens of the rat brain
    • Garris PA, Ciolkowski EL, Pastore P & Wightman RM (1994). Efflux of dopamine from the synaptic cleft in the nucleus accumbens of the rat brain. J Neurosci 14, 6084-6093.
    • (1994) J. Neurosci. , vol.14 , pp. 6084-6093
    • Garris, P.A.1    Ciolkowski, E.L.2    Pastore, P.3    Wightman, R.M.4
  • 15
    • 0023863123 scopus 로고
    • Nonlinear relationship between impulse flow and dopamine released by rat midbrain dopaminergic neurons as studied by in vivo electrochemistry
    • Gonon FG (1988). Nonlinear relationship between impulse flow and dopamine released by rat midbrain dopaminergic neurons as studied by in vivo electrochemistry. Neuroscience 24, 19-28.
    • (1988) Neuroscience , vol.24 , pp. 19-28
    • Gonon, F.G.1
  • 16
    • 0033842481 scopus 로고    scopus 로고
    • The tonic/phasic model of dopamine system regulation and its implications for understanding alcohol and psychostimulant craving
    • Grace AA (2000). The tonic/phasic model of dopamine system regulation and its implications for understanding alcohol and psychostimulant craving. Addiction 95 (Suppl. 2), S119-S128.
    • (2000) Addiction , vol.95 , Issue.SUPPL. 2
    • Grace, A.A.1
  • 17
    • 0021718376 scopus 로고
    • The control of firing pattern in nigral dopamine neurons: Burst firing
    • Grace AA & Bunney BS (1984). The control of firing pattern in nigral dopamine neurons: Burst firing. J Neurosci 4, 2877-2890.
    • (1984) J. Neurosci. , vol.4 , pp. 2877-2890
    • Grace, A.A.1    Bunney, B.S.2
  • 18
    • 0024459687 scopus 로고
    • Morphology and electrophysiological properties of immunocytochemically identified rat dopamine neurons recorded in vitro
    • Grace AA & Onn SP (1989). Morphology and electrophysiological properties of immunocytochemically identified rat dopamine neurons recorded in vitro. J Neurosci 9, 3463-3481.
    • (1989) J. Neurosci. , vol.9 , pp. 3463-3481
    • Grace, A.A.1    Onn, S.P.2
  • 19
    • 0033970101 scopus 로고    scopus 로고
    • Muscarinic receptors depress GABAergic synaptic transmission in rat midbrain dopamine neurons
    • Grillner P, Berretta N, Bernardi G, Svensson TH & Mercuri NB (2000). Muscarinic receptors depress GABAergic synaptic transmission in rat midbrain dopamine neurons. Neuroscience 96, 299-307.
    • (2000) Neuroscience , vol.96 , pp. 299-307
    • Grillner, P.1    Berretta, N.2    Bernardi, G.3    Svensson, T.H.4    Mercuri, N.B.5
  • 21
    • 0037051182 scopus 로고    scopus 로고
    • Intrinsic membrane properties and synaptic inputs regulating the firing activity of the dopamine neurons
    • Grillner P & Mercuri NB (2002). Intrinsic membrane properties and synaptic inputs regulating the firing activity of the dopamine neurons. Behav Brain Res 130, 149-169.
    • (2002) Behav. Brain Res. , vol.130 , pp. 149-169
    • Grillner, P.1    Mercuri, N.B.2
  • 22
    • 0031749164 scopus 로고    scopus 로고
    • Activation of midbrain presumed dopaminergic neurones by muscarinic cholinergic receptors: An in vivo electrophysiological study in the rat
    • Gronier B & Rasmussen K (1998). Activation of midbrain presumed dopaminergic neurones by muscarinic cholinergic receptors: An in vivo electrophysiological study in the rat. Br J Pharmacol 124, 455-464.
    • (1998) Br. J. Pharmacol. , vol.124 , pp. 455-464
    • Gronier, B.1    Rasmussen, K.2
  • 23
    • 0037111865 scopus 로고    scopus 로고
    • Rewarding effects of the cholinergic agents carbachol and neostigmine in the posterior ventral tegmental area
    • Ikemoto S & Wise RA (2002). Rewarding effects of the cholinergic agents carbachol and neostigmine in the posterior ventral tegmental area. J Neurosci 22, 9895-9904.
    • (2002) J. Neurosci. , vol.22 , pp. 9895-9904
    • Ikemoto, S.1    Wise, R.A.2
  • 24
    • 0026689870 scopus 로고
    • Two types of neurone in the rat ventral tegmental area and their synaptic inputs
    • Johnson SW & North RA (1992). Two types of neurone in the rat ventral tegmental area and their synaptic inputs. J Physiol 450, 455-468.
    • (1992) J. Physiol. , vol.450 , pp. 455-468
    • Johnson, S.W.1    North, R.A.2
  • 25
    • 0026460114 scopus 로고
    • Burst firing in dopamine neurons induced by N-methyl-D-aspartate: Role of electrogenic sodium pump
    • Johnson SW, Seutin V & North RA (1992). Burst firing in dopamine neurons induced by N-methyl-D-aspartate: role of electrogenic sodium pump. Science 258, 665-667.
    • (1992) Science , vol.258 , pp. 665-667
    • Johnson, S.W.1    Seutin, V.2    North, R.A.3
  • 26
    • 4043167619 scopus 로고    scopus 로고
    • Multiple mechanisms underlie burst firing in rat midbrain dopamine neurons in vitro
    • Johnson SW & Wu YN (2004). Multiple mechanisms underlie burst firing in rat midbrain dopamine neurons in vitro. Brain Res 1019, 293-296.
    • (2004) Brain Res. , vol.1019 , pp. 293-296
    • Johnson, S.W.1    Wu, Y.N.2
  • 27
    • 0027751750 scopus 로고
    • Calcium spike underlying rhythmic firing in dopaminergic neurons of the rat substantia nigra
    • Kang Y & Kitai ST (1993). Calcium spike underlying rhythmic firing in dopaminergic neurons of the rat substantia nigra. Neurosci Res 18, 195-207.
    • (1993) Neurosci. Res. , vol.18 , pp. 195-207
    • Kang, Y.1    Kitai, S.T.2
  • 29
    • 0028864189 scopus 로고
    • Functional significance of mesolimbic dopamine
    • Kiyatkin EA (1995). Functional significance of mesolimbic dopamine. Neurosci Biobehav Rev 19, 573-598.
    • (1995) Neurosci. Biobehav. Rev. , vol.19 , pp. 573-598
    • Kiyatkin, E.A.1
  • 30
    • 0035282788 scopus 로고    scopus 로고
    • Molecular and physiological diversity of nicotinic acetylcholine receptors in the midbrain dopaminergic nuclei
    • Klink R, de Kerchove d'Exaerde A, Zoli M & Changeux JP (2001). Molecular and physiological diversity of nicotinic acetylcholine receptors in the midbrain dopaminergic nuclei. J Neurosci 21, 1452-1463.
    • (2001) J. Neurosci. , vol.21 , pp. 1452-1463
    • Klink, R.1    de Kerchove d'Exaerde, A.2    Zoli, M.3    Changeux, J.P.4
  • 31
    • 0030964194 scopus 로고    scopus 로고
    • Dopamine, the prefrontal cortex and schizophrenia
    • Knable MB & Weinberger DR (1997). Dopamine, the prefrontal cortex and schizophrenia. J Psychopharmacol 11, 123-131.
    • (1997) J. Psychopharmacol. , vol.11 , pp. 123-131
    • Knable, M.B.1    Weinberger, D.R.2
  • 32
    • 0033913561 scopus 로고    scopus 로고
    • Neurobiology of addiction. Toward the development of new therapies
    • Koob GF (2000). Neurobiology of addiction. Toward the development of new therapies. Ann N Y Acad Sci 909, 170-185.
    • (2000) Ann. N. Y. Acad. Sci. , vol.909 , pp. 170-185
    • Koob, G.F.1
  • 33
    • 0037220974 scopus 로고    scopus 로고
    • Excitation of ventral tegmental area dopaminergic and nondopaminergic neurons by orexins/hypocretins
    • Korotkova TM, Sergeeva OA, Eriksson KS, Haas HL & Brown RE (2003). Excitation of ventral tegmental area dopaminergic and nondopaminergic neurons by orexins/hypocretins. J Neurosci 23, 7-11.
    • (2003) J. Neurosci. , vol.23 , pp. 7-11
    • Korotkova, T.M.1    Sergeeva, O.A.2    Eriksson, K.S.3    Haas, H.L.4    Brown, R.E.5
  • 35
    • 0024592921 scopus 로고
    • Two cell types in rat substantia nigra zona compacta distinguished by membrane properties and the actions of dopamine and opioids
    • Lacey MG, Mercuri NB & North RA (1989). Two cell types in rat substantia nigra zona compacta distinguished by membrane properties and the actions of dopamine and opioids. J Neurosci 9, 1233-1241.
    • (1989) J. Neurosci. , vol.9 , pp. 1233-1241
    • Lacey, M.G.1    Mercuri, N.B.2    North, R.A.3
  • 36
    • 13944261368 scopus 로고    scopus 로고
    • L-type calcium channels: The low down
    • Lipscombe D, Helton TD & Xu W (2004). L-type calcium channels: the low down. J Neurophysiol 92, 2633-2641.
    • (2004) J. Neurophysiol. , vol.92 , pp. 2633-2641
    • Lipscombe, D.1    Helton, T.D.2    Xu, W.3
  • 37
    • 0037075602 scopus 로고    scopus 로고
    • Synaptic mechanisms underlie nicotine-induced excitability of brain reward areas
    • Mansvelder HD, Keath JR & McGehee DS (2002). Synaptic mechanisms underlie nicotine-induced excitability of brain reward areas. Neuron 33, 905-919.
    • (2002) Neuron , vol.33 , pp. 905-919
    • Mansvelder, H.D.1    Keath, J.R.2    McGehee, D.S.3
  • 38
    • 0033709986 scopus 로고    scopus 로고
    • Long-term potentiation of excitatory inputs to brain reward areas by nicotine
    • Mansvelder HD & McGehee DS (2000). Long-term potentiation of excitatory inputs to brain reward areas by nicotine. Neuron 27, 349-357.
    • (2000) Neuron , vol.27 , pp. 349-357
    • Mansvelder, H.D.1    McGehee, D.S.2
  • 39
    • 0028931163 scopus 로고
    • Properties of the hyperpolarization-activated cation current Ih in rat midbrain dopaminergic neurons
    • Mercuri NB, Bonci A, Calabresi P, Stefani A & Bernardi G (1995). Properties of the hyperpolarization-activated cation current Ih in rat midbrain dopaminergic neurons. Eur J Neurosci 7, 462-469.
    • (1995) Eur. J. Neurosci. , vol.7 , pp. 462-469
    • Mercuri, N.B.1    Bonci, A.2    Calabresi, P.3    Stefani, A.4    Bernardi, G.5
  • 41
    • 0030933743 scopus 로고    scopus 로고
    • Spontaneous bursting activity of dopaminergic neurons in midbrain slices from immature rats: Role of N-methyl-D-aspartate receptors
    • Mereu G, Lilliu V, Casula A, Vargiu PF, Diana M, Musa A & Gessa GL (1997). Spontaneous bursting activity of dopaminergic neurons in midbrain slices from immature rats: role of N-methyl-D-aspartate receptors. Neuroscience 77, 1029-1036.
    • (1997) Neuroscience , vol.77 , pp. 1029-1036
    • Mereu, G.1    Lilliu, V.2    Casula, A.3    Vargiu, P.F.4    Diana, M.5    Musa, A.6    Gessa, G.L.7
  • 42
    • 0027236205 scopus 로고
    • 2+ conductances in guinea-pig substantia nigra pars compacta neurones
    • 2+ conductances in guinea-pig substantia nigra pars compacta neurones. J Physiol 466, 727-747.
    • (1993) J. Physiol. , vol.466 , pp. 727-747
    • Nedergaard, S.1    Flatman, J.A.2    Engberg, I.3
  • 44
    • 0031470773 scopus 로고    scopus 로고
    • Nicotine activates and desensitizes midbrain dopamine neurons
    • Pidoplichko VI, DeBiasi M, Williams JT & Dani JA (1997). Nicotine activates and desensitizes midbrain dopamine neurons. Nature 390, 401-404.
    • (1997) Nature , vol.390 , pp. 401-404
    • Pidoplichko, V.I.1    DeBiasi, M.2    Williams, J.T.3    Dani, J.A.4
  • 45
  • 46
    • 0029965334 scopus 로고    scopus 로고
    • + channels regulate pacemaker activity in nigral dopamine neurons
    • + channels regulate pacemaker activity in nigral dopamine neurons. Neuroreport 7, 809-814.
    • (1996) Neuroreport , vol.7 , pp. 809-814
    • Ping, H.X.1    Shepard, P.D.2
  • 47
    • 12744253486 scopus 로고    scopus 로고
    • Intracellular calcium store filling by an L-type calcium current in the basolateral amygdala at subthreshold membrane potentials
    • Power JM & Sah P (2005). Intracellular calcium store filling by an L-type calcium current in the basolateral amygdala at subthreshold membrane potentials. J Physiol 562, 439-453.
    • (2005) J. Physiol. , vol.562 , pp. 439-453
    • Power, J.M.1    Sah, P.2
  • 49
    • 0037057755 scopus 로고    scopus 로고
    • Getting formal with dopamine and reward
    • Schultz W (2002). Getting formal with dopamine and reward. Neuron 36, 241-263.
    • (2002) Neuron , vol.36 , pp. 241-263
    • Schultz, W.1
  • 50
    • 0027520553 scopus 로고
    • Apamin increases NMDA-induced burst-firing of rat mesencephalic dopamine neurons
    • Seutin V, Johnson SW & North RA (1993). Apamin increases NMDA-induced burst-firing of rat mesencephalic dopamine neurons. Brain Res 630, 341-344.
    • (1993) Brain Res. , vol.630 , pp. 341-344
    • Seutin, V.1    Johnson, S.W.2    North, R.A.3
  • 51
    • 0033616372 scopus 로고    scopus 로고
    • Nifedipine blocks apamin-induced bursting activity in nigral dopamine-containing neurons
    • Shepard PD & Stump D (1999). Nifedipine blocks apamin-induced bursting activity in nigral dopamine-containing neurons. Brain Res 817, 104-109.
    • (1999) Brain Res. , vol.817 , pp. 104-109
    • Shepard, P.D.1    Stump, D.2
  • 52
    • 0031601376 scopus 로고    scopus 로고
    • Calcium channel blocking drugs in the management of drug dependence, withdrawal and craving. A clinical pilot study with nifedipine and verapamil
    • Shulman A, Jagoda J, Laycock G & Kelly H (1998). Calcium channel blocking drugs in the management of drug dependence, withdrawal and craving. A clinical pilot study with nifedipine and verapamil. Aust Fam Physician 27 (Suppl. 1), S19-S24.
    • (1998) Aust. Fam. Physician , vol.27 , Issue.SUPPL. 1
    • Shulman, A.1    Jagoda, J.2    Laycock, G.3    Kelly, H.4
  • 53
    • 0026633118 scopus 로고
    • Relationship between dopamine release in the rat nucleus accumbens and the discharge activity of dopaminergic neurons during local in vivo application of amino acids in the ventral tegmental area
    • Suaud-Chagny MF, Chergui K, Chouvet G & Gonon F (1992). Relationship between dopamine release in the rat nucleus accumbens and the discharge activity of dopaminergic neurons during local in vivo application of amino acids in the ventral tegmental area. Neuroscience 49, 63-72.
    • (1992) Neuroscience , vol.49 , pp. 63-72
    • Suaud-Chagny, M.F.1    Chergui, K.2    Chouvet, G.3    Gonon, F.4
  • 54
    • 0036582755 scopus 로고    scopus 로고
    • Selective coupling of T-type calcium channels to SK potassium channels prevents intrinsic bursting in dopaminergic midbrain neurons
    • Wolfart J & Roeper J (2002). Selective coupling of T-type calcium channels to SK potassium channels prevents intrinsic bursting in dopaminergic midbrain neurons. J Neurosci 22, 3404-3413.
    • (2002) J. Neurosci. , vol.22 , pp. 3404-3413
    • Wolfart, J.1    Roeper, J.2
  • 56
    • 0034077104 scopus 로고    scopus 로고
    • A comparison of the effects of nicotine on dopamine and non-dopamine neurons in the rat ventral tegmental area: An in vitro electrophysiological study
    • Yin R & French ED (2000). A comparison of the effects of nicotine on dopamine and non-dopamine neurons in the rat ventral tegmental area: an in vitro electrophysiological study. Brain Res Bull 51, 507-514.
    • (2000) Brain Res. Bull. , vol.51 , pp. 507-514
    • Yin, R.1    French, E.D.2
  • 57
    • 0842279614 scopus 로고    scopus 로고
    • 2+ potentials via differential protein kinase A and C activation in rat prefrontal cortical neurons
    • 2+ potentials via differential protein kinase A and C activation in rat prefrontal cortical neurons. J Neurosci 24, 8-23.
    • (2004) J. Neurosci. , vol.24 , pp. 8-23
    • Young, C.E.1    Yang, C.R.2
  • 58
    • 0037470561 scopus 로고    scopus 로고
    • Metabotropic glutamate and muscarinic cholinergic receptor-mediated preferential inhibition of N-methyl-D-aspartate component of transmissions in rat ventral tegmental area
    • Zheng F & Johnson SW (2003). Metabotropic glutamate and muscarinic cholinergic receptor-mediated preferential inhibition of N-methyl-D-aspartate component of transmissions in rat ventral tegmental area. Neuroscience 116, 1013-1020.
    • (2003) Neuroscience , vol.116 , pp. 1013-1020
    • Zheng, F.1    Johnson, S.W.2


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