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Methods to evaluate alterations in polyamine metabolism caused by Helicobacter pylori infection.

Gobert AP, Chaturvedi R, Wilson KT.

Methods Mol Biol. 2011;720:409-25. doi: 10.1007/978-1-61779-034-8_26.


Induction of polyamine oxidase 1 by Helicobacter pylori causes macrophage apoptosis by hydrogen peroxide release and mitochondrial membrane depolarization.

Chaturvedi R, Cheng Y, Asim M, Bussière FI, Xu H, Gobert AP, Hacker A, Casero RA Jr, Wilson KT.

J Biol Chem. 2004 Sep 17;279(38):40161-73. Epub 2004 Jul 9.


Helicobacter pylori-induced macrophage apoptosis requires activation of ornithine decarboxylase by c-Myc.

Cheng Y, Chaturvedi R, Asim M, Bussière FI, Scholz A, Xu H, Casero RA Jr, Wilson KT.

J Biol Chem. 2005 Jun 10;280(23):22492-6. Epub 2005 Apr 20. Erratum in: J Biol Chem. 2005 Aug 5;280(31):28827. Scholz, Adina [corrected].


Helicobacter pylori induces macrophage apoptosis by activation of arginase II.

Gobert AP, Cheng Y, Wang JY, Boucher JL, Iyer RK, Cederbaum SD, Casero RA Jr, Newton JC, Wilson KT.

J Immunol. 2002 May 1;168(9):4692-700.


Spermine oxidation induced by Helicobacter pylori results in apoptosis and DNA damage: implications for gastric carcinogenesis.

Xu H, Chaturvedi R, Cheng Y, Bussiere FI, Asim M, Yao MD, Potosky D, Meltzer SJ, Rhee JG, Kim SS, Moss SF, Hacker A, Wang Y, Casero RA Jr, Wilson KT.

Cancer Res. 2004 Dec 1;64(23):8521-5.


Helicobacter pylori induces ERK-dependent formation of a phospho-c-Fos c-Jun activator protein-1 complex that causes apoptosis in macrophages.

Asim M, Chaturvedi R, Hoge S, Lewis ND, Singh K, Barry DP, Algood HS, de Sablet T, Gobert AP, Wilson KT.

J Biol Chem. 2010 Jun 25;285(26):20343-57. doi: 10.1074/jbc.M110.116988. Epub 2010 Apr 21.


Spermine oxidase is a regulator of macrophage host response to Helicobacter pylori: enhancement of antimicrobial nitric oxide generation by depletion of spermine.

Chaturvedi R, Asim M, Barry DP, Frye JW, Casero RA Jr, Wilson KT.

Amino Acids. 2014 Mar;46(3):531-42. doi: 10.1007/s00726-013-1531-z. Epub 2013 Jul 3.


The influence of Lactobacillus brevis on ornithine decarboxylase activity and polyamine profiles in Helicobacter pylori-infected gastric mucosa.

Linsalata M, Russo F, Berloco P, Caruso ML, Matteo GD, Cifone MG, Simone CD, Ierardi E, Di Leo A.

Helicobacter. 2004 Apr;9(2):165-72.


Increased Helicobacter pylori-associated gastric cancer risk in the Andean region of Colombia is mediated by spermine oxidase.

Chaturvedi R, de Sablet T, Asim M, Piazuelo MB, Barry DP, Verriere TG, Sierra JC, Hardbower DM, Delgado AG, Schneider BG, Israel DA, Romero-Gallo J, Nagy TA, Morgan DR, Murray-Stewart T, Bravo LE, Peek RM Jr, Fox JG, Woster PM, Casero RA Jr, Correa P, Wilson KT.

Oncogene. 2015 Jun;34(26):3429-40. doi: 10.1038/onc.2014.273. Epub 2014 Sep 1.


Spermine oxidase mediates the gastric cancer risk associated with Helicobacter pylori CagA.

Chaturvedi R, Asim M, Romero-Gallo J, Barry DP, Hoge S, de Sablet T, Delgado AG, Wroblewski LE, Piazuelo MB, Yan F, Israel DA, Casero RA Jr, Correa P, Gobert AP, Polk DB, Peek RM Jr, Wilson KT.

Gastroenterology. 2011 Nov;141(5):1696-708.e1-2. doi: 10.1053/j.gastro.2011.07.045. Epub 2011 Aug 10.


Arginase 2 deletion leads to enhanced M1 macrophage activation and upregulated polyamine metabolism in response to Helicobacter pylori infection.

Hardbower DM, Asim M, Murray-Stewart T, Casero RA Jr, Verriere T, Lewis ND, Chaturvedi R, Piazuelo MB, Wilson KT.

Amino Acids. 2016 Oct;48(10):2375-88. doi: 10.1007/s00726-016-2231-2. Epub 2016 Apr 13.


Polyamines Impair Immunity to Helicobacter pylori by Inhibiting L-Arginine Uptake Required for Nitric Oxide Production.

Chaturvedi R, Asim M, Hoge S, Lewis ND, Singh K, Barry DP, de Sablet T, Piazuelo MB, Sarvaria AR, Cheng Y, Closs EI, Casero RA Jr, Gobert AP, Wilson KT.

Gastroenterology. 2010 Nov;139(5):1686-98, 1698.e1-6. doi: 10.1053/j.gastro.2010.06.060. Epub 2010 Jul 1.


Arginine and polyamines in Helicobacter pylori-induced immune dysregulation and gastric carcinogenesis.

Chaturvedi R, de Sablet T, Coburn LA, Gobert AP, Wilson KT.

Amino Acids. 2012 Feb;42(2-3):627-40. doi: 10.1007/s00726-011-1038-4. Epub 2011 Aug 28.


Difluoromethylornithine is a novel inhibitor of Helicobacter pylori growth, CagA translocation, and interleukin-8 induction.

Barry DP, Asim M, Leiman DA, de Sablet T, Singh K, Casero RA Jr, Chaturvedi R, Wilson KT.

PLoS One. 2011 Feb 28;6(2):e17510. doi: 10.1371/journal.pone.0017510.


High molecular protein of Helicobacter pylori responsible for inhibition of ornithine decarboxylase activity of human gastric cultured cells.

Takashima T, Fujiwara Y, Watanabe T, Tominaga K, Oshitani N, Higuchi K, Matsumoto T, Arakawa T, Hasuma T, Yano Y, Otani S.

Aliment Pharmacol Ther. 2002 Apr;16 Suppl 2:167-73.


Expression and distribution of genes encoding for polyamine-metabolizing enzymes in the different zones of male and female mouse kidneys.

Levillain O, Ramos-Molina B, Forcheron F, Peñafiel R.

Amino Acids. 2012 Nov;43(5):2153-63. doi: 10.1007/s00726-012-1300-4. Epub 2012 May 5.


Polyamine metabolism and cancer.

Thomas T, Thomas TJ.

J Cell Mol Med. 2003 Apr-Jun;7(2):113-26. Review.


Immune evasion by Helicobacter pylori is mediated by induction of macrophage arginase II.

Lewis ND, Asim M, Barry DP, de Sablet T, Singh K, Piazuelo MB, Gobert AP, Chaturvedi R, Wilson KT.

J Immunol. 2011 Mar 15;186(6):3632-41. doi: 10.4049/jimmunol.1003431. Epub 2011 Feb 4.


The mechanism of opiorphin-induced experimental priapism in rats involves activation of the polyamine synthetic pathway.

Kanika ND, Tar M, Tong Y, Kuppam DS, Melman A, Davies KP.

Am J Physiol Cell Physiol. 2009 Oct;297(4):C916-27. doi: 10.1152/ajpcell.00656.2008. Epub 2009 Aug 5.


Arginase II restricts host defense to Helicobacter pylori by attenuating inducible nitric oxide synthase translation in macrophages.

Lewis ND, Asim M, Barry DP, Singh K, de Sablet T, Boucher JL, Gobert AP, Chaturvedi R, Wilson KT.

J Immunol. 2010 Mar 1;184(5):2572-82. doi: 10.4049/jimmunol.0902436. Epub 2010 Jan 22.

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