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Volumn 93, Issue , 2014, Pages 80-86

Sp1 modification of human endothelial nitric oxide synthase promoter increases the hypoxia-stimulated activity

Author keywords

[No Author keywords available]

Indexed keywords

ENDOTHELIAL NITRIC OXIDE SYNTHASE; LUCIFERASE; MESSENGER RNA; TRANSCRIPTION FACTOR SP1; COBALT; COBALT CHLORIDE; NOS3 PROTEIN, HUMAN;

EID: 84901240756     PISSN: 00262862     EISSN: 10959319     Source Type: Journal    
DOI: 10.1016/j.mvr.2014.03.004     Document Type: Article
Times cited : (3)

References (52)
  • 1
    • 79960792993 scopus 로고    scopus 로고
    • Pathophysiological roles of NADPH oxidase/Nox family proteins in the vascular system
    • Ago T., et al. Pathophysiological roles of NADPH oxidase/Nox family proteins in the vascular system. Circ. J. 2011, 75:1791-1800.
    • (2011) Circ. J. , vol.75 , pp. 1791-1800
    • Ago, T.1
  • 2
    • 0033567065 scopus 로고    scopus 로고
    • Enzymatic function of nitric oxide synthases
    • Andrew P.J., Mayer B. Enzymatic function of nitric oxide synthases. Cardiovasc. Res. 1999, 43:521-531.
    • (1999) Cardiovasc. Res. , vol.43 , pp. 521-531
    • Andrew, P.J.1    Mayer, B.2
  • 3
    • 84863707285 scopus 로고    scopus 로고
    • Endothelial cell-derived nitric oxide enhances aerobic glycolysis in astrocytes via HIF-1alpha-mediated target gene activation
    • Brix B., Mesters J.R., Pellerin L., Johren O. Endothelial cell-derived nitric oxide enhances aerobic glycolysis in astrocytes via HIF-1alpha-mediated target gene activation. J Neurosci. 2012, 32:9727-9735.
    • (2012) J Neurosci. , vol.32 , pp. 9727-9735
    • Brix, B.1    Mesters, J.R.2    Pellerin, L.3    Johren, O.4
  • 4
    • 0030296392 scopus 로고    scopus 로고
    • Adenoviral gene transfer of nitric oxide synthase: high level expression in human vascular cells
    • Channon K.M., et al. Adenoviral gene transfer of nitric oxide synthase: high level expression in human vascular cells. Cardiovasc. Res. 1996, 32:962-972.
    • (1996) Cardiovasc. Res. , vol.32 , pp. 962-972
    • Channon, K.M.1
  • 5
    • 0031059375 scopus 로고    scopus 로고
    • Expression and function of recombinant endothelial nitric oxide synthase gene in canine basilar artery
    • Chen A.F., et al. Expression and function of recombinant endothelial nitric oxide synthase gene in canine basilar artery. Circ. Res. 1997, 80:327-335.
    • (1997) Circ. Res. , vol.80 , pp. 327-335
    • Chen, A.F.1
  • 6
    • 0031032680 scopus 로고    scopus 로고
    • Functional role of a conformationally flexible homopurine/homopyrimidine domain of the androgen receptor gene promoter interacting with Sp1 and a pyrimidine single strand DNA-binding protein
    • Chen S., et al. Functional role of a conformationally flexible homopurine/homopyrimidine domain of the androgen receptor gene promoter interacting with Sp1 and a pyrimidine single strand DNA-binding protein. Mol. Endocrinol. 1997, 11:3-15.
    • (1997) Mol. Endocrinol. , vol.11 , pp. 3-15
    • Chen, S.1
  • 7
    • 1542652475 scopus 로고    scopus 로고
    • Nitric oxide production and regulation of endothelial nitric-oxide synthase phosphorylation by prolonged treatment with troglitazone: evidence for involvement of peroxisome proliferator-activated receptor (PPAR) gamma-dependent and PPAR gamma-independent signaling pathways
    • Cho D.H., et al. Nitric oxide production and regulation of endothelial nitric-oxide synthase phosphorylation by prolonged treatment with troglitazone: evidence for involvement of peroxisome proliferator-activated receptor (PPAR) gamma-dependent and PPAR gamma-independent signaling pathways. J. Biol. Chem. 2004, 279:2499-2506.
    • (2004) J. Biol. Chem. , vol.279 , pp. 2499-2506
    • Cho, D.H.1
  • 8
    • 0032511097 scopus 로고    scopus 로고
    • Transcriptional regulation of endothelial nitric-oxide synthase by lysophosphatidylcholine
    • Cieslik K., et al. Transcriptional regulation of endothelial nitric-oxide synthase by lysophosphatidylcholine. J. Biol. Chem. 1998, 273:14885-14890.
    • (1998) J. Biol. Chem. , vol.273 , pp. 14885-14890
    • Cieslik, K.1
  • 9
    • 0029819372 scopus 로고    scopus 로고
    • Modulation of endothelial cell nitric oxide synthase expression
    • Harrison David G., Inoue Nobutaka, Ohara Yuichi, Fukai Tohru Modulation of endothelial cell nitric oxide synthase expression. Jpn. Circ. J. 1996, 60:815-821.
    • (1996) Jpn. Circ. J. , vol.60 , pp. 815-821
    • Harrison, D.G.1    Inoue, N.2    Ohara, Y.3    Fukai, T.4
  • 10
    • 77954326413 scopus 로고    scopus 로고
    • The NO cascade, eNOS location, and microvascular permeability
    • Duran W.N., et al. The NO cascade, eNOS location, and microvascular permeability. Cardiovasc. Res. 2010, 87:254-261.
    • (2010) Cardiovasc. Res. , vol.87 , pp. 254-261
    • Duran, W.N.1
  • 11
    • 0027238681 scopus 로고
    • Two different, overlapping pathways of transcription initiation are active on the TATA-less human androgen receptor promoter. The role of Sp1
    • Faber P.W., et al. Two different, overlapping pathways of transcription initiation are active on the TATA-less human androgen receptor promoter. The role of Sp1. J. Biol. Chem. 1993, 268:9296-9301.
    • (1993) J. Biol. Chem. , vol.268 , pp. 9296-9301
    • Faber, P.W.1
  • 12
    • 77949419461 scopus 로고    scopus 로고
    • Nitric oxide reduces SLC29A1 promoter activity and adenosine transport involving transcription factor complex hCHOP-C/EBPalpha in human umbilical vein endothelial cells from gestational diabetes
    • Farias M., et al. Nitric oxide reduces SLC29A1 promoter activity and adenosine transport involving transcription factor complex hCHOP-C/EBPalpha in human umbilical vein endothelial cells from gestational diabetes. Cardiovasc. Res. 2010, 86:45-54.
    • (2010) Cardiovasc. Res. , vol.86 , pp. 45-54
    • Farias, M.1
  • 13
    • 80355143539 scopus 로고    scopus 로고
    • Cell food improves respiratory metabolism of endothelial cells and inhibits hypoxia-induced reactive oxygen species (ros) generation
    • Ferrero E., et al. Cell food improves respiratory metabolism of endothelial cells and inhibits hypoxia-induced reactive oxygen species (ros) generation. J. Physiol. Pharmacol. 2011, 62:287-293.
    • (2011) J. Physiol. Pharmacol. , vol.62 , pp. 287-293
    • Ferrero, E.1
  • 14
    • 74049085411 scopus 로고    scopus 로고
    • Hypoxic repression of endothelial nitric-oxide synthase transcription is coupled with eviction of promoter histones
    • Fish J.E., et al. Hypoxic repression of endothelial nitric-oxide synthase transcription is coupled with eviction of promoter histones. J. Biol. Chem. 2009, 285:810-826.
    • (2009) J. Biol. Chem. , vol.285 , pp. 810-826
    • Fish, J.E.1
  • 15
    • 0039558662 scopus 로고    scopus 로고
    • Expressional control of the 'constitutive' isoforms of nitric oxide synthase (NOS I and NOS III)
    • Forstermann U., et al. Expressional control of the 'constitutive' isoforms of nitric oxide synthase (NOS I and NOS III). FASEB J. 1998, 12:773-790.
    • (1998) FASEB J. , vol.12 , pp. 773-790
    • Forstermann, U.1
  • 16
    • 84857054453 scopus 로고    scopus 로고
    • The 27-bp VNTR polymorphism in intron 4 of the human eNOS gene in healthy Singaporean Chinese, Indians, and Malays
    • Gan Y.Y., Chen C.F. The 27-bp VNTR polymorphism in intron 4 of the human eNOS gene in healthy Singaporean Chinese, Indians, and Malays. Biochem. Genet. 2012, 50:52-62.
    • (2012) Biochem. Genet. , vol.50 , pp. 52-62
    • Gan, Y.Y.1    Chen, C.F.2
  • 17
    • 84879154733 scopus 로고    scopus 로고
    • Control of Fiat (factor inhibiting ATF4-mediated transcription) expression by Sp family transcription factors in osteoblasts
    • Hekmatnejad B., et al. Control of Fiat (factor inhibiting ATF4-mediated transcription) expression by Sp family transcription factors in osteoblasts. J. Cell Biochem. 2013.
    • (2013) J. Cell Biochem.
    • Hekmatnejad, B.1
  • 18
    • 84862530396 scopus 로고    scopus 로고
    • Nitric oxide signaling in hypoxia
    • Ho J.J.D., et al. Nitric oxide signaling in hypoxia. J. Mol. Med. 2012, 90:217-231.
    • (2012) J. Mol. Med. , vol.90 , pp. 217-231
    • Ho, J.J.D.1
  • 19
    • 0035000258 scopus 로고    scopus 로고
    • Hypoxia-induced upregulation of eNOS gene expression is redox-sensitive: a comparison between hypoxia and inhibitors of cell metabolism
    • Hoffmann A., et al. Hypoxia-induced upregulation of eNOS gene expression is redox-sensitive: a comparison between hypoxia and inhibitors of cell metabolism. J. Cell Physiol. 2001, 188:33-44.
    • (2001) J. Cell Physiol. , vol.188 , pp. 33-44
    • Hoffmann, A.1
  • 20
    • 0036912721 scopus 로고    scopus 로고
    • Nitric oxide as a unique signaling molecule in the vascular system: a historical overview
    • Ignarro L.J. Nitric oxide as a unique signaling molecule in the vascular system: a historical overview. J. Physiol. Pharmacol. 2002, 53:503-514.
    • (2002) J. Physiol. Pharmacol. , vol.53 , pp. 503-514
    • Ignarro, L.J.1
  • 21
    • 0032707717 scopus 로고    scopus 로고
    • Nitric oxide as a signaling molecule in the vascular system: an overview
    • Ignarro L.J., et al. Nitric oxide as a signaling molecule in the vascular system: an overview. J. Cardiovasc. Pharmacol. 1999, 34:879-886.
    • (1999) J. Cardiovasc. Pharmacol. , vol.34 , pp. 879-886
    • Ignarro, L.J.1
  • 23
    • 0033613842 scopus 로고    scopus 로고
    • Characterization of the human endothelial nitric-oxide synthase promoter
    • Karantzoulis-Fegaras F., et al. Characterization of the human endothelial nitric-oxide synthase promoter. J. Biol. Chem. 1999, 274:3076-3093.
    • (1999) J. Biol. Chem. , vol.274 , pp. 3076-3093
    • Karantzoulis-Fegaras, F.1
  • 24
    • 12444270065 scopus 로고    scopus 로고
    • Malfunction of vascular control in lifestyle-related diseases: endothelial nitric oxide (NO) synthase/NO system in atherosclerosis
    • Kawashima S. Malfunction of vascular control in lifestyle-related diseases: endothelial nitric oxide (NO) synthase/NO system in atherosclerosis. Journal of Pharmacological Sciences. 2004, 96:411-419.
    • (2004) Journal of Pharmacological Sciences. , vol.96 , pp. 411-419
    • Kawashima, S.1
  • 25
    • 15244344206 scopus 로고    scopus 로고
    • HIF-1alpha induces genetic instability by transcriptionally downregulating MutSalpha expression
    • Koshiji M., To K.K., Hammer S., Kumamoto K., Harris A.L., et al. HIF-1alpha induces genetic instability by transcriptionally downregulating MutSalpha expression. Mol Cell. 2005, 17:793-803.
    • (2005) Mol Cell. , vol.17 , pp. 793-803
    • Koshiji, M.1    To, K.K.2    Hammer, S.3    Kumamoto, K.4    Harris, A.L.5
  • 26
    • 52149083070 scopus 로고    scopus 로고
    • Hydrogen peroxide decreases endothelial nitric oxide synthase promoter activity through the inhibition of AP-1 activity
    • Kumar S., et al. Hydrogen peroxide decreases endothelial nitric oxide synthase promoter activity through the inhibition of AP-1 activity. Am J Physiol Lung Cell Mol. Physiol. 2008, 295:L370-L377.
    • (2008) Am J Physiol Lung Cell Mol. Physiol. , vol.295
    • Kumar, S.1
  • 27
    • 4243063942 scopus 로고    scopus 로고
    • Flavonoids from artichoke (Cynara scolymus L.) up-regulate endothelial-type nitric-oxide synthase gene expression in human endothelial cells
    • Li H., et al. Flavonoids from artichoke (Cynara scolymus L.) up-regulate endothelial-type nitric-oxide synthase gene expression in human endothelial cells. J. Pharmacol. Exp. Ther. 2004, 310:926-932.
    • (2004) J. Pharmacol. Exp. Ther. , vol.310 , pp. 926-932
    • Li, H.1
  • 28
    • 38849164313 scopus 로고    scopus 로고
    • FXR-mediated regulation of eNOS expression in vascular endothelial cells
    • Li J., et al. FXR-mediated regulation of eNOS expression in vascular endothelial cells. Cardiovasc. Res. 2007, 77:169-177.
    • (2007) Cardiovasc. Res. , vol.77 , pp. 169-177
    • Li, J.1
  • 29
    • 0032561321 scopus 로고    scopus 로고
    • A 69-base pair fragment derived from human transcobalamin II promoter is sufficient for high bidirectional activity in the absence of a TATA box and an initiator element in transfected cells. Role of an E box in Transcriptional Activity
    • Li N., Seetharam B. A 69-base pair fragment derived from human transcobalamin II promoter is sufficient for high bidirectional activity in the absence of a TATA box and an initiator element in transfected cells. Role of an E box in Transcriptional Activity. J. Biol. Chem. 1998, 273:28170-28177.
    • (1998) J. Biol. Chem. , vol.273 , pp. 28170-28177
    • Li, N.1    Seetharam, B.2
  • 30
    • 83155181923 scopus 로고    scopus 로고
    • Protective effect of alpha-lipoic acid on oxidized low density lipoprotein-induced human umbilical vein endothelial cell injury
    • Liu Y.X., et al. Protective effect of alpha-lipoic acid on oxidized low density lipoprotein-induced human umbilical vein endothelial cell injury. Pharmacol. Rep. 2011, 63:1180-1188.
    • (2011) Pharmacol. Rep. , vol.63 , pp. 1180-1188
    • Liu, Y.X.1
  • 31
    • 0027183208 scopus 로고
    • Structure and chromosomal localization of the human constitutive endothelial nitric oxide synthase gene
    • Marsden P.A., et al. Structure and chromosomal localization of the human constitutive endothelial nitric oxide synthase gene. J. Biol. Chem. 1993, 268:17478-17488.
    • (1993) J. Biol. Chem. , vol.268 , pp. 17478-17488
    • Marsden, P.A.1
  • 32
    • 4143110440 scopus 로고    scopus 로고
    • HIF-1: master and commander of the hypoxic world. A pharmacological approach to its regulation by siRNAs
    • Mazure N.M., Brahimi-Horn M.C., Berta M.A., Benizri E., Bilton R.L., et al. HIF-1: master and commander of the hypoxic world. A pharmacological approach to its regulation by siRNAs. Biochem. Pharmacol. 2004, 68:971-980.
    • (2004) Biochem. Pharmacol. , vol.68 , pp. 971-980
    • Mazure, N.M.1    Brahimi-Horn, M.C.2    Berta, M.A.3    Benizri, E.4    Bilton, R.L.5
  • 33
    • 33744970281 scopus 로고    scopus 로고
    • Hypoxia-induced endothelial NO synthase gene transcriptional activation is mediated through the tax-responsive element in endothelial cells
    • Min J., et al. Hypoxia-induced endothelial NO synthase gene transcriptional activation is mediated through the tax-responsive element in endothelial cells. Hypertension. 2006, 47:1189-1196.
    • (2006) Hypertension. , vol.47 , pp. 1189-1196
    • Min, J.1
  • 34
    • 84880294137 scopus 로고    scopus 로고
    • Endothelial nitric oxide synthase plays a main role in producing nitric oxide in the superacute phase of hepatic ischemia prior to the upregulation of inducible nitric oxide synthase
    • Miyake T., et al. Endothelial nitric oxide synthase plays a main role in producing nitric oxide in the superacute phase of hepatic ischemia prior to the upregulation of inducible nitric oxide synthase. J. Surg. Res 2013, 10.1016/j.jss.2013.01.048.
    • (2013) J. Surg. Res
    • Miyake, T.1
  • 35
    • 0025883342 scopus 로고
    • Nitric oxide: physiology, pathophysiology, and pharmacology
    • Moncada S., et al. Nitric oxide: physiology, pathophysiology, and pharmacology. Pharmacol. Rev. 1991, 43:109-142.
    • (1991) Pharmacol. Rev. , vol.43 , pp. 109-142
    • Moncada, S.1
  • 36
    • 0037104689 scopus 로고    scopus 로고
    • Lack of evidence for contribution of Glu298Asp (G894T) polymorphism of endothelial nitric oxide synthase gene to plasma nitric oxide levels
    • Moon J., et al. Lack of evidence for contribution of Glu298Asp (G894T) polymorphism of endothelial nitric oxide synthase gene to plasma nitric oxide levels. Thromb. Res. 2002, 107:129-134.
    • (2002) Thromb. Res. , vol.107 , pp. 129-134
    • Moon, J.1
  • 37
    • 0030834249 scopus 로고    scopus 로고
    • The von Hippel-Lindau tumor suppressor gene product interacts with Sp1 to repress vascular endothelial growth factor promoter activity
    • Mukhopadhyay D., et al. The von Hippel-Lindau tumor suppressor gene product interacts with Sp1 to repress vascular endothelial growth factor promoter activity. Mol. Cell. Biol. 1997, 17:5629-5639.
    • (1997) Mol. Cell. Biol. , vol.17 , pp. 5629-5639
    • Mukhopadhyay, D.1
  • 38
    • 0038269845 scopus 로고    scopus 로고
    • Gene expression of nitric oxide synthase and heme oxygenase in placental villi during pregnancy with and without intrauterine growth restriction
    • Muta K., et al. Gene expression of nitric oxide synthase and heme oxygenase in placental villi during pregnancy with and without intrauterine growth restriction. J. Clin. Biochem. Nutrition. 2002, 32:11-21.
    • (2002) J. Clin. Biochem. Nutrition. , vol.32 , pp. 11-21
    • Muta, K.1
  • 39
    • 0034685626 scopus 로고    scopus 로고
    • Repression of heme oxygenase-1 by hypoxia in vascular endothelial cells
    • Nakayama M., et al. Repression of heme oxygenase-1 by hypoxia in vascular endothelial cells. Biochem Biophys Res Commun. 2000, 271:665-671.
    • (2000) Biochem Biophys Res Commun. , vol.271 , pp. 665-671
    • Nakayama, M.1
  • 40
    • 0035705616 scopus 로고    scopus 로고
    • Nitric oxide and atherosclerosis
    • Napoli C., Ignarro L.J. Nitric oxide and atherosclerosis. Nitric. Oxide. 2001, 5:88-97.
    • (2001) Nitric. Oxide. , vol.5 , pp. 88-97
    • Napoli, C.1    Ignarro, L.J.2
  • 41
    • 0023912670 scopus 로고
    • Vascular endothelial cells synthesize nitric oxide from l-arginine
    • Palmer R.M.J., et al. Vascular endothelial cells synthesize nitric oxide from l-arginine. Nature. 1988, 333:664-666.
    • (1988) Nature. , vol.333 , pp. 664-666
    • Palmer, R.M.J.1
  • 42
    • 77951738005 scopus 로고    scopus 로고
    • Endothelial nitric oxide synthase as a marker for human endothelial progenitor cells
    • Qiao W., et al. Endothelial nitric oxide synthase as a marker for human endothelial progenitor cells. Tohoku J. Exp. Med. 2010, 221:19-27.
    • (2010) Tohoku J. Exp. Med. , vol.221 , pp. 19-27
    • Qiao, W.1
  • 43
    • 0032866999 scopus 로고    scopus 로고
    • The Sp-family of transcription factors
    • Suske G. The Sp-family of transcription factors. Gene 1999, 238:291-300.
    • (1999) Gene , vol.238 , pp. 291-300
    • Suske, G.1
  • 44
    • 0001654669 scopus 로고    scopus 로고
    • Long-term follow-up of patients with mild coronary artery disease and endothelial dysfunction
    • Suwaidi J.A., et al. Long-term follow-up of patients with mild coronary artery disease and endothelial dysfunction. Circulation. 2000, 101:948-954.
    • (2000) Circulation. , vol.101 , pp. 948-954
    • Suwaidi, J.A.1
  • 45
    • 78649717194 scopus 로고    scopus 로고
    • The nitric oxide synthase family and left ventricular diastolic function
    • Takeishi Y. The nitric oxide synthase family and left ventricular diastolic function. Circ. J. 2010, 74:2556-2557.
    • (2010) Circ. J. , vol.74 , pp. 2556-2557
    • Takeishi, Y.1
  • 46
    • 0028978191 scopus 로고
    • Role of Sp1 in transcriptional activation of human nitric oxide synthase type III gene
    • Tang J.L., et al. Role of Sp1 in transcriptional activation of human nitric oxide synthase type III gene. Biochem. Biophys. Res. Commun. 1995, 213:673-680.
    • (1995) Biochem. Biophys. Res. Commun. , vol.213 , pp. 673-680
    • Tang, J.L.1
  • 47
    • 0028971175 scopus 로고
    • A SP1 binding site in the GC-rich region is essential for a core promoter activity of the human endothelial nitric oxide synthase gene
    • Wariishi S., et al. A SP1 binding site in the GC-rich region is essential for a core promoter activity of the human endothelial nitric oxide synthase gene. Biochem. Biophys. Res. Commun. 1995, 216:729-735.
    • (1995) Biochem. Biophys. Res. Commun. , vol.216 , pp. 729-735
    • Wariishi, S.1
  • 48
    • 0024536929 scopus 로고
    • Evidence of endothelial dysfunction in angiographically normal coronary arteries of patients with coronary artery disease
    • Werns S.W., et al. Evidence of endothelial dysfunction in angiographically normal coronary arteries of patients with coronary artery disease. Circulation. 1989, 79:287-291.
    • (1989) Circulation. , vol.79 , pp. 287-291
    • Werns, S.W.1
  • 49
    • 0036276672 scopus 로고    scopus 로고
    • Regulation of endothelial nitric oxide synthase activity and gene expression
    • Wu K.K. Regulation of endothelial nitric oxide synthase activity and gene expression. Ann. NY. Acad. Sci. 2002, 962:122-130.
    • (2002) Ann. NY. Acad. Sci. , vol.962 , pp. 122-130
    • Wu, K.K.1
  • 50
    • 84867055503 scopus 로고    scopus 로고
    • ENOS correlates with mitochondrial biogenesis in hearts of congenital heart disease with cyanosis
    • Xiao J., et al. eNOS correlates with mitochondrial biogenesis in hearts of congenital heart disease with cyanosis. Arq. Bras. Cardiol. 2012, 99:780-788.
    • (2012) Arq. Bras. Cardiol. , vol.99 , pp. 780-788
    • Xiao, J.1
  • 51
    • 80053523034 scopus 로고    scopus 로고
    • Endothelial nitric oxide synthase G894T gene polymorphism and essential hypertension in the Chinese population: a meta-analysis involving 11,248 subjects
    • Yan-yan L. Endothelial nitric oxide synthase G894T gene polymorphism and essential hypertension in the Chinese population: a meta-analysis involving 11,248 subjects. Int. Med. 2011, 50:2099-2106.
    • (2011) Int. Med. , vol.50 , pp. 2099-2106
    • Yan-yan, L.1
  • 52
    • 77955083115 scopus 로고    scopus 로고
    • Effect of all-trans-retinoic acid on the development of chronic hypoxia-induced pulmonary hypertension
    • Zhang E., et al. Effect of all-trans-retinoic acid on the development of chronic hypoxia-induced pulmonary hypertension. Circ. J. 2010, 74:1696-1703.
    • (2010) Circ. J. , vol.74 , pp. 1696-1703
    • Zhang, E.1


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