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Volumn 153, Issue 2, 1997, Pages 283-290

Microinjection of rat GH but not human IGF-I into a defined area of the hypothalamus inhibits endogenous GH secretion in rats

Author keywords

[No Author keywords available]

Indexed keywords

GROWTH HORMONE; MESSENGER RNA; SOMATOMEDIN C;

EID: 0031004429     PISSN: 00220795     EISSN: None     Source Type: Journal    
DOI: 10.1677/joe.0.1530283     Document Type: Article
Times cited : (15)

References (51)
  • 1
    • 0020552567 scopus 로고
    • Human growth hormone and somatomedin C suppress the spontaneous release of growth hormone in unanesthetized rats
    • Abe H, Molitch ME, Van Wyk JJ & Underwood LE 1983 Human growth hormone and somatomedin C suppress the spontaneous release of growth hormone in unanesthetized rats. Endocrinology 113 1319-1324.
    • (1983) Endocrinology , vol.113 , pp. 1319-1324
    • Abe, H.1    Molitch, M.E.2    Van Wyk, J.J.3    Underwood, L.E.4
  • 3
    • 0021918223 scopus 로고
    • An arcuato-paraventricular and -dorsomedial hypothalamic neuropeptide Y-containing system which lacks noradrcnaline in the rat
    • Bai FL, Yamano M, Shiotani Y, Emson PC, Smith AD, Powell JF & Toyama M 1985 An arcuato-paraventricular and -dorsomedial hypothalamic neuropeptide Y-containing system which lacks noradrcnaline in the rat. Brain Research 331 172-175.
    • (1985) Brain Research , vol.331 , pp. 172-175
    • Bai, F.L.1    Yamano, M.2    Shiotani, Y.3    Emson, P.C.4    Smith, A.D.5    Powell, J.F.6    Toyama, M.7
  • 5
    • 0019504036 scopus 로고
    • Somatomedin-C mediates growth hormone negative feedback by effects on both the hypothalamus and the pituitary
    • Berelowitz M, Szabo M, Frohman LA, Firestone S, Chu L & Hintz RL 1981 Somatomedin-C mediates growth hormone negative feedback by effects on both the hypothalamus and the pituitary. Science 212 1279-1281.
    • (1981) Science , vol.212 , pp. 1279-1281
    • Berelowitz, M.1    Szabo, M.2    Frohman, L.A.3    Firestone, S.4    Chu, L.5    Hintz, R.L.6
  • 6
    • 0026647026 scopus 로고
    • Growth hormone receptor messenger ribonucleic acid distribution in the adult male rat brain and its colocalization in hypothalaniic somatostatin neurons
    • Burton KA, Kabigting EB, Clifton DK & Steiner RA 1992a Growth hormone receptor messenger ribonucleic acid distribution in the adult male rat brain and its colocalization in hypothalaniic somatostatin neurons. Endocrinology 130 958-963.
    • (1992) Endocrinology , vol.130 , pp. 958-963
    • Burton, K.A.1    Kabigting, E.B.2    Clifton, D.K.3    Steiner, R.A.4
  • 7
    • 0013567560 scopus 로고
    • Double-label in situ hybridization confirms that the GRF gene and the GH receptor gene are coexpressed in a subset of neurons in the arcuate nucleus
    • San Antonio, TX. Abstract no. 1370
    • Burton KA, Steiner RA & Clifton DK 1992b Double-label in situ hybridization confirms that the GRF gene and the GH receptor gene are coexpressed in a subset of neurons in the arcuate nucleus. Proceedings of the 74th Annual Meeting of the Endocrine Society, San Antonio, TX. Abstract no. 1370.
    • (1992) Proceedings of the 74th Annual Meeting of the Endocrine Society
    • Burton, K.A.1    Steiner, R.A.2    Clifton, D.K.3
  • 8
    • 0025098313 scopus 로고
    • Endogenous growth hormone (GH) secretion in male rats is synchronized to pulsatile GH infusions given at 3-hour intervals
    • Carlsson LMS & Jansson J-O 1990 Endogenous growth hormone (GH) secretion in male rats is synchronized to pulsatile GH infusions given at 3-hour intervals. Endocrinology 126 6-10.
    • (1990) Endocrinology , vol.126 , pp. 6-10
    • Carlsson, L.M.S.1    Jansson, J.-O.2
  • 10
    • 0023099782 scopus 로고
    • The growth hormone (GH)-releasing hormone (GHRH)-GH-somatomedin axis: Evidence for rapid inhibition of GHRH-elicited GH release by insulin-like growth factors I and II
    • Ceda GP, Davis RG, Rosenfeld RG & Hoffman AR 1987 The growth hormone (GH)-releasing hormone (GHRH)-GH-somatomedin axis: evidence for rapid inhibition of GHRH-elicited GH release by insulin-like growth factors I and II. Endocrinology 120 1658-1662.
    • (1987) Endocrinology , vol.120 , pp. 1658-1662
    • Ceda, G.P.1    Davis, R.G.2    Rosenfeld, R.G.3    Hoffman, A.R.4
  • 11
    • 0029959981 scopus 로고    scopus 로고
    • Regulation of hypothalamic neuropeptide-Y neurons by growth hormone in the rat
    • Chan YY, Steiner RA & Clifton DK 1996 Regulation of hypothalamic neuropeptide-Y neurons by growth hormone in the rat. Endocrinology 137 1319-1325.
    • (1996) Endocrinology , vol.137 , pp. 1319-1325
    • Chan, Y.Y.1    Steiner, R.A.2    Clifton, D.K.3
  • 12
    • 0019740282 scopus 로고
    • Intraventricularly injected growth hormone stimulates somatostatin release into rat hypophyseal portal blood
    • Chihara K, Minamitani N, Kaji H, Arimura A & Fujita T 1981 Intraventricularly injected growth hormone stimulates somatostatin release into rat hypophyseal portal blood. Endocrinology 109 2279-2281.
    • (1981) Endocrinology , vol.109 , pp. 2279-2281
    • Chihara, K.1    Minamitani, N.2    Kaji, H.3    Arimura, A.4    Fujita, T.5
  • 13
    • 0023939067 scopus 로고
    • Feedback regulation of growth hormone (GH)-releasing hormone gene expression by GH in rat hypothalamus
    • Chomczynski P, Downs TR & Frohman LA 1988 Feedback regulation of growth hormone (GH)-releasing hormone gene expression by GH in rat hypothalamus. Molecular Endocrinology 2 236-241.
    • (1988) Molecular Endocrinology , vol.2 , pp. 236-241
    • Chomczynski, P.1    Downs, T.R.2    Frohman, L.A.3
  • 14
    • 0022443834 scopus 로고
    • Automated repetitive microsampling of blood: Growth hormone profiles in conscious male rats
    • Clark RG, Chambers G, Lewin J & Robinson ICAF 1986 Automated repetitive microsampling of blood: growth hormone profiles in conscious male rats. Journal of Endocrinology 111 27-35.
    • (1986) Journal of Endocrinology , vol.111 , pp. 27-35
    • Clark, R.G.1    Chambers, G.2    Lewin, J.3    Robinson, I.C.A.F.4
  • 15
    • 0023791675 scopus 로고
    • Growth hormone (GH) secretion in the conscious rat: Negative feedback of GH on its own release
    • Clark RG, Carlsson LMS & Robinson ICAF 1988 Growth hormone (GH) secretion in the conscious rat: negative feedback of GH on its own release. Journal of Endocrinology 119 201-209.
    • (1988) Journal of Endocrinology , vol.119 , pp. 201-209
    • Clark, R.G.1    Carlsson, L.M.S.2    Robinson, I.C.A.F.3
  • 16
    • 0022408162 scopus 로고
    • On the mechanism of growth hormone autofeedback regulation: Possible role of somatostatin and growth hormone-releasing factor
    • Conway S, McCann SM & Krulich L 1985 On the mechanism of growth hormone autofeedback regulation: possible role of somatostatin and growth hormone-releasing factor. Endocrinology 117 2284-2292.
    • (1985) Endocrinology , vol.117 , pp. 2284-2292
    • Conway, S.1    McCann, S.M.2    Krulich, L.3
  • 18
    • 0028928690 scopus 로고
    • IGF feedback effects on growth hormone secretion in ewes: Evidence for action at the pituitary but not the hypothalamic level
    • Fletcher TP, Thomas GB, Dunshea FR, Moore LG & Clarke IJ 1995 IGF feedback effects on growth hormone secretion in ewes: evidence for action at the pituitary but not the hypothalamic level. Journal of Endocrinology 144 323-331.
    • (1995) Journal of Endocrinology , vol.144 , pp. 323-331
    • Fletcher, T.P.1    Thomas, G.B.2    Dunshea, F.R.3    Moore, L.G.4    Clarke, I.J.5
  • 19
    • 0021180890 scopus 로고
    • Effects of insulin-like growth factors on adult male rat pituitary function in tissue culture
    • Goodyer CG, De Stephano L, Guyda HJ & Posner BI 1984 Effects of insulin-like growth factors on adult male rat pituitary function in tissue culture. Endocrinology 115 1568-1576.
    • (1984) Endocrinology , vol.115 , pp. 1568-1576
    • Goodyer, C.G.1    De Stephano, L.2    Guyda, H.J.3    Posner, B.I.4
  • 20
    • 0026731175 scopus 로고
    • Synergistic interaction between insulin-like growth factors-I and -II in central regulation of pulsatile growth hormone secretion
    • Harel Z & Tannenbaum GS 1992 Synergistic interaction between insulin-like growth factors-I and -II in central regulation of pulsatile growth hormone secretion. Endocrinology 131 758-764.
    • (1992) Endocrinology , vol.131 , pp. 758-764
    • Harel, Z.1    Tannenbaum, G.S.2
  • 21
    • 0025353137 scopus 로고
    • Immunohistochemical evidence for synaptic connections between neuropeptide Y-containing axons and periventricular somatostatin neurons in the anterior hypothalamus in rats
    • Hisano S, Tsuruo Y, Kagotani Y, Daikoku S & Chihara K 1990 Immunohistochemical evidence for synaptic connections between neuropeptide Y-containing axons and periventricular somatostatin neurons in the anterior hypothalamus in rats. Brain Research 520 170-177.
    • (1990) Brain Research , vol.520 , pp. 170-177
    • Hisano, S.1    Tsuruo, Y.2    Kagotani, Y.3    Daikoku, S.4    Chihara, K.5
  • 22
    • 0028052260 scopus 로고
    • Growth hormone induces expression of the c-fos gene on hypothalamic neuropeptide-Y and somatostatin neurons in hypophysectomized rats
    • Kamegai J, Minami S, Sugihara H, Higuchi H & Wakabayashi I 1994 Growth hormone induces expression of the c-fos gene on hypothalamic neuropeptide-Y and somatostatin neurons in hypophysectomized rats. Endocrinology 135 2765-2771.
    • (1994) Endocrinology , vol.135 , pp. 2765-2771
    • Kamegai, J.1    Minami, S.2    Sugihara, H.3    Higuchi, H.4    Wakabayashi, I.5
  • 23
    • 0029863445 scopus 로고    scopus 로고
    • Growth hormone receptor gene is expressed in neuropeptide Y neurons in hypothalamic arcuate nucleus of rats
    • Kamegai J, Minami S, Sugihara H, Hasegawa O, Higuchi H & Wakabayashi I 1996 Growth hormone receptor gene is expressed in neuropeptide Y neurons in hypothalamic arcuate nucleus of rats. Endocrinology 137 2109-2112.
    • (1996) Endocrinology , vol.137 , pp. 2109-2112
    • Kamegai, J.1    Minami, S.2    Sugihara, H.3    Hasegawa, O.4    Higuchi, H.5    Wakabayashi, I.6
  • 24
    • 0026553843 scopus 로고
    • Time course and mechanism of growth hormone's negative feedback effect on its own spontaneous release
    • Lanzi R & Tannenbaum GS 1992 Time course and mechanism of growth hormone's negative feedback effect on its own spontaneous release. Endocrinology 130 780-788.
    • (1992) Endocrinology , vol.130 , pp. 780-788
    • Lanzi, R.1    Tannenbaum, G.S.2
  • 26
    • 0024316977 scopus 로고
    • Combined retrograde tracing and immunocytochemical identification of luteinizing hormone-releasing hormone- and somatostatin-containing neurons projecting to the median eminence of the rat
    • Merchenthaler I, Setalo G, Csontos C, Petrusz P, Flerko B & Negro-Vilar A 1989 Combined retrograde tracing and immunocytochemical identification of luteinizing hormone-releasing hormone- and somatostatin-containing neurons projecting to the median eminence of the rat. Endocrinology 125 2812-2821.
    • (1989) Endocrinology , vol.125 , pp. 2812-2821
    • Merchenthaler, I.1    Setalo, G.2    Csontos, C.3    Petrusz, P.4    Flerko, B.5    Negro-Vilar, A.6
  • 28
    • 0026696090 scopus 로고
    • Systemic administration of recombinant human growth hormone induces expression of the c-fos gene in the hypothalamic arcuate and periventricular nuclei in hypophysectomized rats
    • Minami S, Kamegai J, Sugihara H, Hasegawa O & Wakabayashi I 1992 Systemic administration of recombinant human growth hormone induces expression of the c-fos gene in the hypothalamic arcuate and periventricular nuclei in hypophysectomized rats. Endocrinology 131 247-253.
    • (1992) Endocrinology , vol.131 , pp. 247-253
    • Minami, S.1    Kamegai, J.2    Sugihara, H.3    Hasegawa, O.4    Wakabayashi, I.5
  • 30
    • 0023571590 scopus 로고
    • Insulin-like growth factor I action on rat anterior pituitary cells: Effects of intracellular messengers on growth hormone secretion and messenger ribonucleic acid levels
    • Monta S, Yamashita S & Melmed S 1987 Insulin-like growth factor I action on rat anterior pituitary cells: effects of intracellular messengers on growth hormone secretion and messenger ribonucleic acid levels. Endocrinology 121 2000-2006.
    • (1987) Endocrinology , vol.121 , pp. 2000-2006
    • Monta, S.1    Yamashita, S.2    Melmed, S.3
  • 32
    • 0027200514 scopus 로고
    • Effect of parenteral administration of selected nutrients and central injection of γ-globulin from antiserum to neuropeptide Y on growth hormone secretory pattern in food-deprived rats
    • Okada K, Sugihara H, Minami S & Wakabayashi I 1993 Effect of parenteral administration of selected nutrients and central injection of γ-globulin from antiserum to neuropeptide Y on growth hormone secretory pattern in food-deprived rats. Neuroendocrinology 57 678-686.
    • (1993) Neuroendocrinology , vol.57 , pp. 678-686
    • Okada, K.1    Sugihara, H.2    Minami, S.3    Wakabayashi, I.4
  • 34
    • 0022352067 scopus 로고
    • Patterns of growth hormone-releasing factor and somatostatin secretion into the hypophyseal-portal circulation of the rat
    • Plotsky PM & Vale W 1985 Patterns of growth hormone-releasing factor and somatostatin secretion into the hypophyseal-portal circulation of the rat. Science 230 461-463.
    • (1985) Science , vol.230 , pp. 461-463
    • Plotsky, P.M.1    Vale, W.2
  • 35
    • 0025373071 scopus 로고
    • Physiologically significant effect of neuropeptide Y to suppress growth hormone release by stimulating somatostatin discharge
    • Rettori V, Milenkovic L, Aguila MC & McCann SM 1990 Physiologically significant effect of neuropeptide Y to suppress growth hormone release by stimulating somatostatin discharge. Endocrinology 126 2296-2301.
    • (1990) Endocrinology , vol.126 , pp. 2296-2301
    • Rettori, V.1    Milenkovic, L.2    Aguila, M.C.3    McCann, S.M.4
  • 36
    • 0027443141 scopus 로고
    • Growth hormone (GH) receptors, GH binding protein and GH: An autoregulatory system?
    • Robinson ICAF, Carmignac DF & Fairhall KM 1993 Growth hormone (GH) receptors, GH binding protein and GH: an autoregulatory system? Acta Paediatrica 391 (Suppl) 22-28.
    • (1993) Acta Paediatrica , vol.391 , Issue.SUPPL. , pp. 22-28
    • Robinson, I.1    Carmignac, D.F.2    Fairhall, K.M.3
  • 37
    • 0023911126 scopus 로고
    • The effect of hypophysectomy and growth hormone administration on pre-prosomatostatin messenger ribonucleic acid in the periventricular nucleus of the rat hypothalamus
    • Rogers KV, Vician L, Steiner RA & Clifton DK 1988 The effect of hypophysectomy and growth hormone administration on pre-prosomatostatin messenger ribonucleic acid in the periventricular nucleus of the rat hypothalamus. Endocrinology 122 586-591.
    • (1988) Endocrinology , vol.122 , pp. 586-591
    • Rogers, K.V.1    Vician, L.2    Steiner, R.A.3    Clifton, D.K.4
  • 38
    • 0022570713 scopus 로고
    • Exogenous growth hormone inhibits growth hormone-releasing factor-induced growth hormone secretion in normal men
    • Rosenthal SM, Hulse JA, Kaplan SL & Grumbach MM 1986 Exogenous growth hormone inhibits growth hormone-releasing factor-induced growth hormone secretion in normal men. Journal of Clinical Investigation 77 176-180.
    • (1986) Journal of Clinical Investigation , vol.77 , pp. 176-180
    • Rosenthal, S.M.1    Hulse, J.A.2    Kaplan, S.L.3    Grumbach, M.M.4
  • 39
    • 0027250099 scopus 로고
    • Differential effects of central and peripheral administration of growth hormone (GH) and insulin-like growth factor on hypothalamic GH-releasing hormone and somatostatin gene expression in GH-deficient dwarf rats
    • Sato M & Frohman LA 1993 Differential effects of central and peripheral administration of growth hormone (GH) and insulin-like growth factor on hypothalamic GH-releasing hormone and somatostatin gene expression in GH-deficient dwarf rats. Endocrinology 133 793-799.
    • (1993) Endocrinology , vol.133 , pp. 793-799
    • Sato, M.1    Frohman, L.A.2
  • 40
    • 0024334685 scopus 로고
    • Physiological role of somatostarin-mediated autofeedback regulation for growth hormone: Importance of growth hormone in triggering somatostatin release during a trough period of pulsatile growth hormone release in conscious male rats
    • Sato M, Chihara K, Kita T, Kashio Y, Okimura Y, Kitajima N & Fujita T 1989 Physiological role of somatostarin-mediated autofeedback regulation for growth hormone: importance of growth hormone in triggering somatostatin release during a trough period of pulsatile growth hormone release in conscious male rats. Neuroendocrinology 50 139-151.
    • (1989) Neuroendocrinology , vol.50 , pp. 139-151
    • Sato, M.1    Chihara, K.2    Kita, T.3    Kashio, Y.4    Okimura, Y.5    Kitajima, N.6    Fujita, T.7
  • 41
    • 0025863831 scopus 로고
    • The effects of insulin-like growth factor-I (IGF-I), IGF-II and des(1-3)IGF-I, a potent IGF analogue, on growth hormone and IGF-binding protein secretion from cultured rat anterior pituitary cells
    • Simes JM, Wallace JC & Walton PE 1991 The effects of insulin-like growth factor-I (IGF-I), IGF-II and des(1-3)IGF-I, a potent IGF analogue, on growth hormone and IGF-binding protein secretion from cultured rat anterior pituitary cells. Journal of Endocrinology 130 93-99,
    • (1991) Journal of Endocrinology , vol.130 , pp. 93-99
    • Simes, J.M.1    Wallace, J.C.2    Walton, P.E.3
  • 43
    • 0024334782 scopus 로고
    • Post-somatostatin rebound secretion of growth hormone is dependent on growth hormone-releasing factor in unrestrained female rats
    • Sugihara H, Minami S & Wakabayashi I 1989 Post-somatostatin rebound secretion of growth hormone is dependent on growth hormone-releasing factor in unrestrained female rats. Journal of Endocrinology 122 583-591.
    • (1989) Journal of Endocrinology , vol.122 , pp. 583-591
    • Sugihara, H.1    Minami, S.2    Wakabayashi, I.3
  • 44
    • 0030576854 scopus 로고    scopus 로고
    • Inhibitory effect of neuropeptide Y on growth hormone secretion is mediated by Y1 and Y2 receptor subtypes and abolished after anterolateral deafferentation of the medial basal hypothalamus in rats
    • Suzuki N, Okada K, Minami S & Wakabayashi I 1996 Inhibitory effect of neuropeptide Y on growth hormone secretion is mediated by Y1 and Y2 receptor subtypes and abolished after anterolateral deafferentation of the medial basal hypothalamus in rats. Regulatory. Peptides 65 145-151.
    • (1996) Regulatory. Peptides , vol.65 , pp. 145-151
    • Suzuki, N.1    Okada, K.2    Minami, S.3    Wakabayashi, I.4
  • 45
    • 0029125409 scopus 로고
    • Autofeedback suppression of growth hormone (GH) secretion in transgenic mice expressing a human GH reporter targeted by tyrosine hydroxylase 5′-flanking sequences to the hypothalamus
    • Szabo M, Butz MR, Banerjee SA, Chikaraishi DM & Frohman LA 1995 Autofeedback suppression of growth hormone (GH) secretion in transgenic mice expressing a human GH reporter targeted by tyrosine hydroxylase 5′-flanking sequences to the hypothalamus. Endocrinology 136 4044-4048.
    • (1995) Endocrinology , vol.136 , pp. 4044-4048
    • Szabo, M.1    Butz, M.R.2    Banerjee, S.A.3    Chikaraishi, D.M.4    Frohman, L.A.5
  • 46
    • 0019218728 scopus 로고
    • Evidence for autoregulation of growth hormone secretion via the central nervous system
    • Tannenbaum GS 1980 Evidence for autoregulation of growth hormone secretion via the central nervous system. Endocrinology 107 2117-2120.
    • (1980) Endocrinology , vol.107 , pp. 2117-2120
    • Tannenbaum, G.S.1
  • 47
    • 0021691137 scopus 로고
    • The interrelationship of growth hormone (GH)-releasing factor and somatostatin in generation of the ultradian rhythm of GH secretion
    • Tannenbaum GS & Ling N 1984 The interrelationship of growth hormone (GH)-releasing factor and somatostatin in generation of the ultradian rhythm of GH secretion. Endocrinology 115 1952-1957.
    • (1984) Endocrinology , vol.115 , pp. 1952-1957
    • Tannenbaum, G.S.1    Ling, N.2
  • 48
    • 0020693772 scopus 로고
    • Insulin-like growth factors: A role in growth hormone negative feedback and body weight regulation via brain
    • Tannenbaum GS, Guyda HJ & Posner BI 1983 Insulin-like growth factors: a role in growth hormone negative feedback and body weight regulation via brain. Science 220 77-79.
    • (1983) Science , vol.220 , pp. 77-79
    • Tannenbaum, G.S.1    Guyda, H.J.2    Posner, B.I.3
  • 49
    • 0024434511 scopus 로고
    • Hypothalamic interconnections of somatostatin and growth hormone releasing factor neurons
    • Willoughby JO, Brogan M & Kapoor R 1989 Hypothalamic interconnections of somatostatin and growth hormone releasing factor neurons. Neuroendocrinolgy 50 584-591.
    • (1989) Neuroendocrinolgy , vol.50 , pp. 584-591
    • Willoughby, J.O.1    Brogan, M.2    Kapoor, R.3
  • 50
    • 0025968592 scopus 로고
    • Hormonal regulation of rat hypothalamic neuropeptide mRNAs: Effect of hypophysectomy and hormone replacement on growth-hormone-releasing factor, somatostatin and the insulin-like growth factors
    • Wood TL, Berelowitz M, Gelato MC, Roberts CT, LeRoith D, Millard WL & McKelvy JF 1991 Hormonal regulation of rat hypothalamic neuropeptide mRNAs: effect of hypophysectomy and hormone replacement on growth-hormone-releasing factor, somatostatin and the insulin-like growth factors. Neuroendocrinology 53 298-305.
    • (1991) Neuroendocrinology , vol.53 , pp. 298-305
    • Wood, T.L.1    Berelowitz, M.2    Gelato, M.C.3    Roberts, C.T.4    LeRoith, D.5    Millard, W.L.6    McKelvy, J.F.7
  • 51
    • 0022631161 scopus 로고
    • Insulin-like growth factor I action on rat anterior pituitary cells: Suppression of growth hormone secretion and messenger ribonucleic acid levels
    • Yamashita S & Melmed S 1986 Insulin-like growth factor I action on rat anterior pituitary cells: suppression of growth hormone secretion and messenger ribonucleic acid levels. Endocrinology 118 176-182.
    • (1986) Endocrinology , vol.118 , pp. 176-182
    • Yamashita, S.1    Melmed, S.2


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