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Volumn 574, Issue 2, 2006, Pages 491-507

Different responses of rat cerebellar Purkinje cells and Golgi cells evoked by widespread convergent sensory inputs

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL CELL; ANIMAL EXPERIMENT; ARTICLE; BRAIN NERVE CELL; CELL LABELING; CEREBELLUM CORTEX; CONTROLLED STUDY; EVOKED CORTICAL RESPONSE; FEEDBACK SYSTEM; IN VIVO STUDY; LATENT PERIOD; NERVE CELL STIMULATION; NEUROMODULATION; NEUROTRANSMISSION; NONHUMAN; PRIORITY JOURNAL; PURKINJE CELL; RAT; SENSORY NERVE; SENSORY STIMULATION; SPIKE WAVE; TACTILE STIMULATION; TRIGEMINAL NERVE; ADULT; ANIMAL TISSUE; BRAIN DEPTH STIMULATION; CELL FUNCTION; CEREBELLUM CELL; CEREBRAL CRUS; ELECTROPHYSIOLOGICAL PROCEDURES; EVOKED RESPONSE; FIRING RATE; GOLGI COMPLEX; RECEPTIVE FIELD;

EID: 33745752259     PISSN: 00223751     EISSN: 14697793     Source Type: Journal    
DOI: 10.1113/jphysiol.2006.108282     Document Type: Article
Times cited : (115)

References (54)
  • 1
    • 49649148257 scopus 로고
    • A theory of cerebellar function
    • Albus JS (1971). A theory of cerebellar function. Math Biosci 10, 25-61.
    • (1971) Math Biosci , vol.10 , pp. 25-61
    • Albus, J.S.1
  • 2
    • 0019225814 scopus 로고
    • Responses in the posterior lobe of the rat cerebellum to electrical stimulation of cutaneous afferents to the snout
    • Armstrong DM & Drew T (1980). Responses in the posterior lobe of the rat cerebellum to electrical stimulation of cutaneous afferents to the snout. J Physiol 309, 357-374.
    • (1980) J Physiol , vol.309 , pp. 357-374
    • Armstrong, D.M.1    Drew, T.2
  • 4
    • 0343106575 scopus 로고    scopus 로고
    • Characteristics of putative Golgi cells in the rabbit cerebellar flocculus
    • Atkins MJ, Van Alphen AM & Simpson JI (1997). Characteristics of putative Golgi cells in the rabbit cerebellar flocculus. Abstr Soc Neurosci 23, 1287.
    • (1997) Abstr Soc Neurosci , vol.23 , pp. 1287
    • Atkins, M.J.1    Van Alphen, A.M.2    Simpson, J.I.3
  • 6
    • 0001608531 scopus 로고
    • Cerebellar afferent systems
    • ed. Brookhart J, Mountcastle V, Brookes V & Geiger S American Physiological Society, Bethesda, MD
    • Bloedel JR & Courvile J (1981). Cerebellar afferent systems. In Handbook of Physiology, The Nervous System, Part 2, Motor Control, ed. Brookhart J, Mountcastle V, Brookes V & Geiger S pp. 735-830. American Physiological Society, Bethesda, MD.
    • (1981) Handbook of Physiology, The Nervous System, Part 2, Motor Control , pp. 735-830
    • Bloedel, J.R.1    Courvile, J.2
  • 7
    • 0020582831 scopus 로고
    • Congruence of spatial organization of tactile projections to granule cell and Purkinje cell layers of cerebellar hemispheres of the albino rat: Vertical organization of cerebellar cortex
    • Bower JM & Woolston DC (1983). Congruence of spatial organization of tactile projections to granule cell and Purkinje cell layers of cerebellar hemispheres of the albino rat: Vertical organization of cerebellar cortex. J Neurophysiol 49, 745-766.
    • (1983) J Neurophysiol , vol.49 , pp. 745-766
    • Bower, J.M.1    Woolston, D.C.2
  • 8
    • 0035216387 scopus 로고    scopus 로고
    • Congruence of mossy fiber and climbing fiber tactile projections in the lateral hemispheres of the rat cerebellum
    • Brown IE & Bower JM (2001). Congruence of mossy fiber and climbing fiber tactile projections in the lateral hemispheres of the rat cerebellum. J Comp Neurol 429, 59-70.
    • (2001) J Comp Neurol , vol.429 , pp. 59-70
    • Brown, I.E.1    Bower, J.M.2
  • 9
    • 1942425652 scopus 로고    scopus 로고
    • Alcohol enhances GABAergic transmission to cerebellar granule cells via an increase in Golgi cell excitability
    • Carta M, Mameli M & Valenzuela CF (2004). Alcohol enhances GABAergic transmission to cerebellar granule cells via an increase in Golgi cell excitability. J Neurosci 24, 3746-3751.
    • (2004) J Neurosci , vol.24 , pp. 3746-3751
    • Carta, M.1    Mameli, M.2    Valenzuela, C.F.3
  • 10
    • 0016774223 scopus 로고
    • The lateral reticular nucleus in the cat. IV. Activation from dorsal funiculus and trigeminal afferents
    • Clendenin M, Ekerot CF & Oscarsson O (1975). The lateral reticular nucleus in the cat. IV. Activation from dorsal funiculus and trigeminal afferents. Exp Brain Res 24, 131-144.
    • (1975) Exp Brain Res , vol.24 , pp. 131-144
    • Clendenin, M.1    Ekerot, C.F.2    Oscarsson, O.3
  • 11
    • 0022461442 scopus 로고
    • Statistical limits for detecting change in the cumulative sum derivative of the peristimulus time histogram
    • Davey NJ, Ellaway PH & Stein RB (1986). Statistical limits for detecting change in the cumulative sum derivative of the peristimulus time histogram. J Neurosci Methods 17, 153-166.
    • (1986) J Neurosci Methods , vol.17 , pp. 153-166
    • Davey, N.J.1    Ellaway, P.H.2    Stein, R.B.3
  • 12
    • 0033852999 scopus 로고    scopus 로고
    • The function of cerebellar Golgi cells revisited
    • De Schutter E, Vos B & Maex R (2000). The function of cerebellar Golgi cells revisited. Prog Brain Res 124, 81-93.
    • (2000) Prog Brain Res , vol.124 , pp. 81-93
    • De Schutter, E.1    Vos, B.2    Maex, R.3
  • 13
    • 0038118242 scopus 로고    scopus 로고
    • Serotonin drives a novel GABAergic synaptic current recorded in rat cerebellar Purkinje cells: A Lugaro cell to Purkinje cell synapse
    • Dean I, Robertson SJ & Edwards FA (2003). Serotonin drives a novel GABAergic synaptic current recorded in rat cerebellar Purkinje cells: A Lugaro cell to Purkinje cell synapse. J Neurosci 23, 4457-4469.
    • (2003) J Neurosci , vol.23 , pp. 4457-4469
    • Dean, I.1    Robertson, S.J.2    Edwards, F.A.3
  • 14
    • 0028934817 scopus 로고
    • Glycinergic synaptic currents in Golgi cells of the rat cerebellum
    • Dieudonné S (1995). Glycinergic synaptic currents in Golgi cells of the rat cerebellum. Proc Natl Acad Sci U S A 92, 1441-1445.
    • (1995) Proc Natl Acad Sci U S A , vol.92 , pp. 1441-1445
    • Dieudonné, S.1
  • 15
    • 0032144002 scopus 로고    scopus 로고
    • Submillisecond kinetics and low efficacy of parallel fibre-Golgi cell synaptic currents in the rat cerebellum
    • Dieudonné S (1998). Submillisecond kinetics and low efficacy of parallel fibre-Golgi cell synaptic currents in the rat cerebellum. J Physiol 510, 845-866.
    • (1998) J Physiol , vol.510 , pp. 845-866
    • Dieudonné, S.1
  • 16
    • 0034161492 scopus 로고    scopus 로고
    • Serotonin-driven long-range inhibitory connections in the cerebellar cortex
    • DieudonnéS & Dumoulin A (2000). Serotonin-driven long-range inhibitory connections in the cerebellar cortex. J Neurosci 20, 1837-1848.
    • (2000) J Neurosci , vol.20 , pp. 1837-1848
    • Dieudonné, S.1    Dumoulin, A.2
  • 17
    • 0035882301 scopus 로고    scopus 로고
    • IPSC kinetics at identified GABAergic and mixed GABAergic and glycinergic synapses onto cerebellar Golgi cells
    • Dumoulin A, Triller A & DieudonnéS (2001). IPSC kinetics at identified GABAergic and mixed GABAergic and glycinergic synapses onto cerebellar Golgi cells. J Neurosci 21, 6045-6057.
    • (2001) J Neurosci , vol.21 , pp. 6045-6057
    • Dumoulin, A.1    Triller, A.2    Dieudonné, S.3
  • 18
    • 0015241222 scopus 로고
    • Investigations on integration of mossy fiber inputs to Purkyne cells in the anterior lobe
    • Eccles JC, Faber DS, Murphy JT, Sabah NH & Taborikova H (1971). Investigations on integration of mossy fiber inputs to Purkyne cells in the anterior lobe. Exp Brain Res 13, 54-77.
    • (1971) Exp Brain Res , vol.13 , pp. 54-77
    • Eccles, J.C.1    Faber, D.S.2    Murphy, J.T.3    Sabah, N.H.4    Taborikova, H.5
  • 19
    • 0013872315 scopus 로고
    • The mossy fibre-granule cell relay of the cerebellum and its inhibitory control by Golgi cells
    • Eccles JC, Llinas RR & Sasaki K (1966). The mossy fibre-granule cell relay of the cerebellum and its inhibitory control by Golgi cells. Exp Brain Res 1, 82-101.
    • (1966) Exp Brain Res , vol.1 , pp. 82-101
    • Eccles, J.C.1    Llinas, R.R.2    Sasaki, K.3
  • 20
    • 0027519961 scopus 로고
    • A new method for the insertion of multiple microprobes into neural and muscular tissue, including fiber electrodes, fine wires, needles and microsensors
    • Eckhorn R & Thomas U (1993). A new method for the insertion of multiple microprobes into neural and muscular tissue, including fiber electrodes, fine wires, needles and microsensors. J Neurosci Methods 49, 175-179.
    • (1993) J Neurosci Methods , vol.49 , pp. 175-179
    • Eckhorn, R.1    Thomas, U.2
  • 21
    • 0023546811 scopus 로고
    • The discharges of cerebellar Golgi cells during locomotion in the cat
    • Edgley SA & Lidierth M (1987). The discharges of cerebellar Golgi cells during locomotion in the cat. J Physiol 392, 315-332.
    • (1987) J Physiol , vol.392 , pp. 315-332
    • Edgley, S.A.1    Lidierth, M.2
  • 22
    • 0035055804 scopus 로고    scopus 로고
    • Parallel fibre receptive fields of Purkinje cells and interneurons are climbing fibre-specific
    • Ekerot CF & Jorntell H (2001). Parallel fibre receptive fields of Purkinje cells and interneurons are climbing fibre-specific. Eur J Neurosci 13, 1303-1310.
    • (2001) Eur J Neurosci , vol.13 , pp. 1303-1310
    • Ekerot, C.F.1    Jorntell, H.2
  • 23
    • 33745738044 scopus 로고    scopus 로고
    • Synaptic input to cerebellar Lugaro and Golgi cells studied with whole cell recording in vivo
    • Society for Neuroscience, Washington, DC
    • Ekerot CF & Jorntell H (2003). Synaptic input to cerebellar Lugaro and Golgi cells studied with whole cell recording in vivo. Program No. 274.3 2003 Abstract Viewer/Itinerary Planner. Society for Neuroscience, Washington, DC.
    • (2003) Program No. 274.3 2003 Abstract Viewer/Itinerary Planner
    • Ekerot, C.F.1    Jorntell, H.2
  • 24
    • 0016797534 scopus 로고
    • Inhibitory spinal paths to the lateral reticular nucleus
    • Ekerot CF & Oscarsson O (1975). Inhibitory spinal paths to the lateral reticular nucleus. Brain Res 99, 157-161.
    • (1975) Brain Res , vol.99 , pp. 157-161
    • Ekerot, C.F.1    Oscarsson, O.2
  • 25
    • 0037111840 scopus 로고    scopus 로고
    • Properties of unitary granule cell →Purkinje cell synapses in adult rat cerebellar slices
    • Isope P & Barbour B (2002). Properties of unitary granule cell →Purkinje cell synapses in adult rat cerebellar slices. J Neurosci 22, 9668-9678.
    • (2002) J Neurosci , vol.22 , pp. 9668-9678
    • Isope, P.1    Barbour, B.2
  • 27
    • 0028967764 scopus 로고
    • Nonclock behavior of inferior olive neurons: Interspike interval of Purkinje cell complex spike discharge in the awake behaving monkey is random
    • Keating JG & Thach WT (1995). Nonclock behavior of inferior olive neurons: Interspike interval of Purkinje cell complex spike discharge in the awake behaving monkey is random. J Neurophysiol 73, 1329-1340.
    • (1995) J Neurophysiol , vol.73 , pp. 1329-1340
    • Keating, J.G.1    Thach, W.T.2
  • 28
    • 0031563809 scopus 로고    scopus 로고
    • Spatial distribution of field potential profiles in the cat cerebellar cortex evoked by peripheral and central inputs
    • J
    • Kolb FP, Arnold G, Lerch R, Straka H & J (1997). Spatial distribution of field potential profiles in the cat cerebellar cortex evoked by peripheral and central inputs. Neuroscience 81, 1155-1181.
    • (1997) Neuroscience , vol.81 , pp. 1155-1181
    • Kolb, F.P.1    Arnold, G.2    Lerch, R.3    Straka, H.4
  • 29
    • 0032514120 scopus 로고    scopus 로고
    • Lugaro cells target basket and stellate cells in the cerebellar cortex
    • Laine J & Axelrad H (1998). Lugaro cells target basket and stellate cells in the cerebellar cortex. Neuroreport 9, 2399-2403.
    • (1998) Neuroreport , vol.9 , pp. 2399-2403
    • Laine, J.1    Axelrad, H.2
  • 30
    • 0033119905 scopus 로고    scopus 로고
    • Patterns of spontaneous Purkinje cell complex spike activity in the awake rat
    • Lang EJ, Sugihara I, Welsh JP & Llinas R (1999). Patterns of spontaneous Purkinje cell complex spike activity in the awake rat. J Neurosci 19, 2728-2739.
    • (1999) J Neurosci , vol.19 , pp. 2728-2739
    • Lang, E.J.1    Sugihara, I.2    Welsh, J.P.3    Llinas, R.4
  • 32
    • 0024377560 scopus 로고
    • The functional organization of the olivo-cerebellar system as examined by multiple Purkinje cell recordings
    • Llinas R & Sasaki K (1989). The functional organization of the olivo-cerebellar system as examined by multiple Purkinje cell recordings. Eur J Neurosci 1, 587-602.
    • (1989) Eur J Neurosci , vol.1 , pp. 587-602
    • Llinas, R.1    Sasaki, K.2
  • 33
    • 0031730295 scopus 로고    scopus 로고
    • Synchronization of Golgi and granule cell firing in a detailed network model of the cerebellar granule cell layer
    • Maex R & De Schutter E (1998). Synchronization of Golgi and granule cell firing in a detailed network model of the cerebellar granule cell layer. J Neurophysiol 80, 2521-2537.
    • (1998) J Neurophysiol , vol.80 , pp. 2521-2537
    • Maex, R.1    De Schutter, E.2
  • 34
    • 0014526073 scopus 로고
    • A theory of cerebellar cortex
    • Marr D (1969). A theory of cerebellar cortex. J Physiol 202, 437-470.
    • (1969) J Physiol , vol.202 , pp. 437-470
    • Marr, D.1
  • 35
    • 0018831364 scopus 로고
    • Long-term adaptive changes in primate vestibuloocular reflex. III. Electrophysiological observations in flocculus of normal monkeys
    • Miles FA, Fuller JH, Braitman DJ & Dow BM (1980). Long-term adaptive changes in primate vestibuloocular reflex. III. Electrophysiological observations in flocculus of normal monkeys. J Neurophysiol 43, 1437-1476.
    • (1980) J Neurophysiol , vol.43 , pp. 1437-1476
    • Miles, F.A.1    Fuller, J.H.2    Braitman, D.J.3    Dow, B.M.4
  • 36
    • 0034554837 scopus 로고    scopus 로고
    • GABA spillover from single inhibitory axons suppresses low-frequency excitatory transmission at the cerebellar glomerulus
    • Mitchell SJ & Silver RA (2000). GABA spillover from single inhibitory axons suppresses low-frequency excitatory transmission at the cerebellar glomerulus. J Neurosci 20, 8651-8658.
    • (2000) J Neurosci , vol.20 , pp. 8651-8658
    • Mitchell, S.J.1    Silver, R.A.2
  • 37
    • 0030561581 scopus 로고    scopus 로고
    • Metabotropic glutamate receptors mGluR2 and mGluR5 are expressed in two non-overlapping populations of Golgi cells in the rat cerebellum
    • Neki A, Ohishi H, Kaneko T, Shigemoto R, Nakanishi S & Mizuno N (1996). Metabotropic glutamate receptors mGluR2 and mGluR5 are expressed in two non-overlapping populations of Golgi cells in the rat cerebellum. Neuroscience 75, 815-826.
    • (1996) Neuroscience , vol.75 , pp. 815-826
    • Neki, A.1    Ohishi, H.2    Kaneko, T.3    Shigemoto, R.4    Nakanishi, S.5    Mizuno, N.6
  • 38
    • 0001144136 scopus 로고
    • Functional organisation of spinocerebellar paths
    • ed. Iggo A Springer-Verlag, New York
    • Oscarsson O (1973). Functional organisation of spinocerebellar paths. In Handbook of Sensory Physiology, vol. II, Somatosensory System, ed. Iggo A, pp. 339-380, Springer-Verlag, New York.
    • (1973) Handbook of Sensory Physiology, Vol. II, Somatosensory System , pp. 339-380
    • Oscarsson, O.1
  • 40
    • 0029866587 scopus 로고    scopus 로고
    • A novel single-cell staining procedure performed in vivo under electrophysiological control: Morpho-functional features of juxtacellularly labeled thalamic cells and other central neurons with biocytin or Neurobiotin
    • Pinault D (1996). A novel single-cell staining procedure performed in vivo under electrophysiological control: Morpho-functional features of juxtacellularly labeled thalamic cells and other central neurons with biocytin or Neurobiotin. J Neurosci Methods 65, 113-136.
    • (1996) J Neurosci Methods , vol.65 , pp. 113-136
    • Pinault, D.1
  • 41
    • 0014684291 scopus 로고
    • Functional organisation of the vestibular afferents to the cerebellar cortex of the frog and cat
    • Precht W & Llinas R (1969). Functional organisation of the vestibular afferents to the cerebellar cortex of the frog and cat. Exp Brain Res 9, 30-52.
    • (1969) Exp Brain Res , vol.9 , pp. 30-52
    • Precht, W.1    Llinas, R.2
  • 43
    • 0032055975 scopus 로고    scopus 로고
    • a receptors and glomerular geometry
    • a receptors and glomerular geometry. Neuron 20, 783-795.
    • (1998) Neuron , vol.20 , pp. 783-795
    • Rossi, D.J.1    Hamann, M.2
  • 44
    • 23044468741 scopus 로고    scopus 로고
    • Coding of tactile response properties in the rat deep cerebellar nuclei
    • Rowland NC & Jaeger D (2005). Coding of tactile response properties in the rat deepcerebellar nuclei. J Neurophysiol 94, 1236-1251.
    • (2005) J Neurophysiol , vol.94 , pp. 1236-1251
    • Rowland, N.C.1    Jaeger, D.2
  • 45
    • 0019524209 scopus 로고
    • Golgi cells of the cerebellum are inhibited by inferior olive activity
    • Schulman JA & Bloom FE (1981). Golgi cells of the cerebellum are inhibited by inferior olive activity. Brain Res 210, 350-355.
    • (1981) Brain Res , vol.210 , pp. 350-355
    • Schulman, J.A.1    Bloom, F.E.2
  • 46
    • 0018140067 scopus 로고
    • Fractured somatotopy in granule cell tactile areas of rat cerebellar hemispheres revealed by micromapping
    • Shambes GM, Gibson JM, Welker W (1978). Fractured somatotopy in granule cell tactile areas of rat cerebellar hemispheres revealed by micromapping. Brain Behav Evol 15(2), 94-140.
    • (1978) Brain Behav Evol , vol.15 , Issue.2 , pp. 94-140
    • Shambes, G.M.1    Gibson, J.M.2    Welker, W.3
  • 47
    • 12344323320 scopus 로고    scopus 로고
    • Between in and out: Linking morphology and physiology of cerebellar cortical interneurons
    • Simpson JI, Hulscher HC, Sabel-Goedknegt E & Ruigrok TJ (2005). Between in and out: Linking morphology and physiology of cerebellar cortical interneurons. Prog Brain Res 2005, 329-340.
    • (2005) Prog Brain Res , vol.2005 , pp. 329-340
    • Simpson, J.I.1    Hulscher, H.C.2    Sabel-Goedknegt, E.3    Ruigrok, T.J.4
  • 48
    • 0347948470 scopus 로고    scopus 로고
    • Maintenance of high-frequency transmission at Purkinje to cerebellar nuclear synapses by spillover from boutons with multiple release sites
    • Telgkamp P, Padgett DE, Ledoux VA, Woolley CS & Raman IM (2004). Maintenance of high-frequency transmission at Purkinje to cerebellar nuclear synapses by spillover from boutons with multiple release sites. Neuron 41, 113-126.
    • (2004) Neuron , vol.41 , pp. 113-126
    • Telgkamp, P.1    Padgett, D.E.2    Ledoux, V.A.3    Woolley, C.S.4    Raman, I.M.5
  • 49
    • 0027532408 scopus 로고
    • Movement-related inputs to intermediate cerebellum of the monkey
    • Van Kan PL & Gibson AR (1993). Movement-related inputs to intermediate cerebellum of the monkey. J Neurophysiol 69, 74-94.
    • (1993) J Neurophysiol , vol.69 , pp. 74-94
    • Van Kan, P.L.1    Gibson, A.R.2
  • 50
    • 0037067985 scopus 로고    scopus 로고
    • Peripheral stimuli excite coronal beams of Golgi cells in rat cerebellar cortex
    • Volny-Luraghi A, Maex R, Vos B & De Schutter E (2002). Peripheral stimuli excite coronal beams of Golgi cells in rat cerebellar cortex. Neuroscience 113, 363-373.
    • (2002) Neuroscience , vol.113 , pp. 363-373
    • Volny-Luraghi, A.1    Maex, R.2    Vos, B.3    De Schutter, E.4
  • 51
    • 0032817094 scopus 로고    scopus 로고
    • Cerebellar Golgi cells in the rat: Receptive fields and timing of responses to facial stimulation
    • Vos BP, Volny-Luraghi A & De Schutter E (1999). Cerebellar Golgi cells in the rat: Receptive fields and timing of responses to facial stimulation. Eur J Neurosci 11, 2621-2634.
    • (1999) Eur J Neurosci , vol.11 , pp. 2621-2634
    • Vos, B.P.1    Volny-Luraghi, A.2    De Schutter, E.3
  • 52
    • 0033864918 scopus 로고    scopus 로고
    • Precise spike timing of tactile-evoked cerebellar Golgi cell responses: A reflection of combined mossy fiber and parallel fiber activation?
    • Vos BP, Volny-Luraghi A, Maex R & De Schutter E (2000). Precise spike timing of tactile-evoked cerebellar Golgi cell responses: A reflection of combined mossy fiber and parallel fiber activation? Prog Brain Res 124, 95-106.
    • (2000) Prog Brain Res , vol.124 , pp. 95-106
    • Vos, B.P.1    Volny-Luraghi, A.2    Maex, R.3    De Schutter, E.4
  • 53
    • 0042381310 scopus 로고    scopus 로고
    • mGluR2 postsynaptically senses granule cell inputs at Golgi cell synapses
    • Watanabe D & Nakanishi S (2003). mGluR2 postsynaptically senses granule cell inputs at Golgi cell synapses. Neuron 39, 821-829.
    • (2003) Neuron , vol.39 , pp. 821-829
    • Watanabe, D.1    Nakanishi, S.2
  • 54
    • 0028946285 scopus 로고
    • Dynamic organization of motor control within the olivocerebellar system
    • Welsh JP, Lang EJ, Suglhara I & Llinas R (1995). Dynamic organization of motor control within the olivocerebellar system. Nature 374, 453-457.
    • (1995) Nature , vol.374 , pp. 453-457
    • Welsh, J.P.1    Lang, E.J.2    Suglhara, I.3    Llinas, R.4


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