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Koon, Hon Wai

Title(s)Associate Adjunct Professor, Medicine
SchoolDigestive Diseases
Phone3108259104
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Wang J, Ortiz C, Fontenot L, Mukhopadhyay R, Xie Y, Chen X, Feng H, Pothoulakis C, Koon HW. The therapeutic mechanism macrophage inflammatory protein 1 alpha (MIP-1a/CCL3) neutralizing antibody in Clostridium difficile infection in mice. J Infect Dis. 2019 Dec 03. PMID: 31793629.
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    2. Wang J, Cheng M, Law IKM, Ortiz C, Sun M, Koon HW. Cathelicidin Suppresses Colon Cancer Metastasis via a P2RX7-Dependent Mechanism. Mol Ther Oncolytics. 2019 Mar 29; 12:195-203. PMID: 30847383.
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    3. Wang J, Ghali S, Xu C, Mussatto CC, Ortiz C, Lee EC, Tran DH, Jacobs JP, Lagishetty V, Faull KF, Moller T, Rossetti M, Chen X, Koon HW. Ceragenin CSA13 Reduces Clostridium difficile Infection in Mice by Modulating the Intestinal Microbiome and Metabolites. Gastroenterology. 2018 05; 154(6):1737-1750. PMID: 29360463.
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    4. Koon HW, Wang J, Mussatto CC, Ortiz C, Lee EC, Tran DH, Chen X, Kelly CP, Pothoulakis C. Fidaxomicin and OP-1118 Inhibit Clostridium difficile Toxin A- and B-Mediated Inflammatory Responses via Inhibition of NF-?B Activity. Antimicrob Agents Chemother. 2018 01; 62(1). PMID: 29038278.
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    5. Xu C, Ghali S, Wang J, Shih DQ, Ortiz C, Mussatto CC, Lee EC, Tran DH, Jacobs JP, Lagishetty V, Fleshner P, Robbins L, Vu M, Hing TC, McGovern DPB, Koon HW. CSA13 inhibits colitis-associated intestinal fibrosis via a formyl peptide receptor like-1 mediated HMG-CoA reductase pathway. Sci Rep. 2017 11 27; 7(1):16351. PMID: 29180648.
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    6. Tran DH, Wang J, Ha C, Ho W, Mattai SA, Oikonomopoulos A, Weiss G, Lacey P, Cheng M, Shieh C, Mussatto CC, Ho S, Hommes D, Koon HW. Circulating cathelicidin levels correlate with mucosal disease activity in ulcerative colitis, risk of intestinal stricture in Crohn's disease, and clinical prognosis in inflammatory bowel disease. BMC Gastroenterol. 2017 May 12; 17(1):63. PMID: 28494754.
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    7. Koon HW, Su B, Xu C, Mussatto CC, Tran DH, Lee EC, Ortiz C, Wang J, Lee JE, Ho S, Chen X, Kelly CP, Pothoulakis C. Probiotic Saccharomyces boulardii CNCM I-745 prevents outbreak-associated Clostridium difficile-associated cecal inflammation in hamsters. Am J Physiol Gastrointest Liver Physiol. 2016 10 01; 311(4):G610-G623. PMID: 27514478.
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    8. Hoang-Yen Tran D, Hoang-Ngoc Tran D, Mattai SA, Sallam T, Ortiz C, Lee EC, Robbins L, Ho S, Lee JE, Fisseha E, Shieh C, Sideri A, Shih DQ, Fleshner P, McGovern DP, Vu M, Hing TC, Bakirtzi K, Cheng M, Su B, Law I, Karagiannides I, Targan SR, Gallo RL, Li Z, Koon HW. Cathelicidin suppresses lipid accumulation and hepatic steatosis by inhibition of the CD36 receptor. Int J Obes (Lond). 2016 09; 40(9):1424-34. PMID: 27163748.
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    9. Sideri A, Bakirtzi K, Shih DQ, Koon HW, Fleshner P, Arsenescu R, Arsenescu V, Turner JR, Karagiannides I, Pothoulakis C. Substance P mediates pro-inflammatory cytokine release form mesenteric adipocytes in Inflammatory Bowel Disease patients. Cell Mol Gastroenterol Hepatol. 2015 Jul 01; 1(4):420-432. PMID: 26543894.
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    10. Yoo JH, Ho S, Tran DH, Cheng M, Bakirtzi K, Kukota Y, Ichikawa R, Su B, Tran DH, Hing TC, Chang I, Shih DQ, Issacson RE, Gallo RL, Fiocchi C, Pothoulakis C, Koon HW. Anti-fibrogenic effects of the anti-microbial peptide cathelicidin in murine colitis-associated fibrosis. Cell Mol Gastroenterol Hepatol. 2015 Jan; 1(1):55-74.e1. PMID: 25729764.
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    11. Cheng M, Ho S, Yoo JH, Tran DH, Bakirtzi K, Su B, Tran DH, Kubota Y, Ichikawa R, Koon HW. Cathelicidin suppresses colon cancer development by inhibition of cancer associated fibroblasts. Clin Exp Gastroenterol. 2015; 8:13-29. PMID: 25565877.
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    12. Jensen DD, Halls ML, Murphy JE, Canals M, Cattaruzza F, Poole DP, Lieu T, Koon HW, Pothoulakis C, Bunnett NW. Endothelin-converting enzyme 1 and ß-arrestins exert spatiotemporal control of substance P-induced inflammatory signals. J Biol Chem. 2014 Jul 18; 289(29):20283-94. PMID: 24898255.
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    13. Koon HW, Ho S, Hing TC, Cheng M, Chen X, Ichikawa Y, Kelly CP, Pothoulakis C. Fidaxomicin inhibits Clostridium difficile toxin A-mediated enteritis in the mouse ileum. Antimicrob Agents Chemother. 2014 Aug; 58(8):4642-50. PMID: 24890583.
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    14. Shih DQ, Zheng L, Zhang X, Zhang H, Kanazawa Y, Ichikawa R, Wallace KL, Chen J, Pothoulakis C, Koon HW, Targan SR. Inhibition of a novel fibrogenic factor Tl1a reverses established colonic fibrosis. Mucosal Immunol. 2014 Nov; 7(6):1492-503. PMID: 24850426.
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    15. Zheng L, Zhang X, Chen J, Ichikawa R, Wallace K, Pothoulakis C, Koon HW, Targan SR, Shih DQ. Erratum: Sustained TL1A (TNFSF15) expression on both lymphoid and myeloid cells leads to mild spontaneous intestinal inflammation and fibrosis (DOI: 10.1556/EuJMI.3.2013.1.2). Eur J Microbiol Immunol (Bp). 2013 06; 3(2):141. PMID: 24265931.
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    16. Koon HW, Shih DQ, Hing TC, Yoo JH, Ho S, Chen X, Kelly CP, Targan SR, Pothoulakis C. Human monoclonal antibodies against Clostridium difficile toxins A and B inhibit inflammatory and histologic responses to the toxins in human colon and peripheral blood monocytes. Antimicrob Agents Chemother. 2013 Jul; 57(7):3214-23. PMID: 23629713.
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    17. Zheng L, Zhang X, Chen J, Ichikawa R, Wallace K, Pothoulakis C, Koon HW, Targan SR, Shih DQ. SUSTAINED TL1A (TNFSF15) EXPRESSION ON BOTH LYMPHOID AND MYELOID CELLS LEADS TO MILD SPONTANEOUS INTESTINAL INFLAMMATION AND FIBROSIS. Eur J Microbiol Immunol (Bp). 2013 Mar; 3(1):11-20. PMID: 23638306.
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    18. Ho S, Pothoulakis C, Koon HW. Antimicrobial peptides and colitis. Curr Pharm Des. 2013; 19(1):40-7. PMID: 22950497.
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    19. Koon HW, Ho S, Cheng M, Ichikawa R, Pothoulakis C. Differentiating functional roles of gene expression from immune and non-immune cells in mouse colitis by bone marrow transplantation. J Vis Exp. 2012 Oct 01; (68):e4208. PMID: 23052552.
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    20. Hing TC, Ho S, Shih DQ, Ichikawa R, Cheng M, Chen J, Chen X, Law I, Najarian R, Kelly CP, Gallo RL, Targan SR, Pothoulakis C, Koon HW. The antimicrobial peptide cathelicidin modulates Clostridium difficile-associated colitis and toxin A-mediated enteritis in mice. Gut. 2013 Sep; 62(9):1295-305. PMID: 22760006.
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    21. Barrett R, Zhang X, Koon HW, Vu M, Chang JY, Yeager N, Nguyen MA, Michelsen KS, Berel D, Pothoulakis C, Targan SR, Shih DQ. Constitutive TL1A expression under colitogenic conditions modulates the severity and location of gut mucosal inflammation and induces fibrostenosis. Am J Pathol. 2012 Feb; 180(2):636-49. PMID: 22138299.
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    22. Leung JW, Wong WT, Koon HW, Mo FM, Tam S, Huang Y, Vanhoutte PM, Chung SS, Chung SK. Transgenic mice over-expressing ET-1 in the endothelial cells develop systemic hypertension with altered vascular reactivity. PLoS One. 2011; 6(11):e26994. PMID: 22096514.
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    23. Koon HW, Shih DQ, Hing TC, Chen J, Ho S, Zhao D, Targan SR, Pothoulakis C. Substance P induces CCN1 expression via histone deacetylase activity in human colonic epithelial cells. Am J Pathol. 2011 Nov; 179(5):2315-26. PMID: 21945803.
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    24. Koon HW, Shih DQ, Chen J, Bakirtzi K, Hing TC, Law I, Ho S, Ichikawa R, Zhao D, Xu H, Gallo R, Dempsey P, Cheng G, Targan SR, Pothoulakis C. Cathelicidin signaling via the Toll-like receptor protects against colitis in mice. Gastroenterology. 2011 Nov; 141(5):1852-63.e1-3. PMID: 21762664.
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    25. Shih DQ, Barrett R, Zhang X, Yeager N, Koon HW, Phaosawasdi P, Song Y, Ko B, Wong MH, Michelsen KS, Martins G, Pothoulakis C, Targan SR. Constitutive TL1A (TNFSF15) expression on lymphoid or myeloid cells leads to mild intestinal inflammation and fibrosis. PLoS One. 2011 Jan 11; 6(1):e16090. PMID: 21264313.
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    26. Zhao D, Bakirtzi K, Zhan Y, Zeng H, Koon HW, Pothoulakis C. Insulin-like growth factor-1 receptor transactivation modulates the inflammatory and proliferative responses of neurotensin in human colonic epithelial cells. J Biol Chem. 2011 Feb 25; 286(8):6092-9. PMID: 21212273.
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    27. Koon HW, Shih D, Karagiannides I, Zhao D, Fazelbhoy Z, Hing T, Xu H, Lu B, Gerard N, Pothoulakis C. Substance P modulates colitis-associated fibrosis. Am J Pathol. 2010 Nov; 177(5):2300-9. PMID: 20889569.
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    28. Chen X, Fruehauf J, Goldsmith JD, Xu H, Katchar KK, Koon HW, Zhao D, Kokkotou EG, Pothoulakis C, Kelly CP. Saccharomyces boulardii inhibits EGF receptor signaling and intestinal tumor growth in Apc(min) mice. Gastroenterology. 2009 Sep; 137(3):914-23. PMID: 19482027.
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    29. Koon HW, Kim YS, Xu H, Kumar A, Zhao D, Karagiannides I, Dobner PR, Pothoulakis C. Neurotensin induces IL-6 secretion in mouse preadipocytes and adipose tissues during 2,4,6,-trinitrobenzensulphonic acid-induced colitis. Proc Natl Acad Sci U S A. 2009 May 26; 106(21):8766-71. PMID: 19443690.
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    30. Gross K, Karagiannides I, Thomou T, Koon HW, Bowe C, Kim H, Giorgadze N, Tchkonia T, Pirtskhalava T, Kirkland JL, Pothoulakis C. Substance P promotes expansion of human mesenteric preadipocytes through proliferative and antiapoptotic pathways. Am J Physiol Gastrointest Liver Physiol. 2009 May; 296(5):G1012-9. PMID: 19282377.
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    31. Koon HW, Zhao D, Xu H, Bowe C, Moss A, Moyer MP, Pothoulakis C. Substance P-mediated expression of the pro-angiogenic factor CCN1 modulates the course of colitis. Am J Pathol. 2008 Aug; 173(2):400-10. PMID: 18599605.
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    32. Zhao D, Zhan Y, Zeng H, Koon HW, Moyer MP, Pothoulakis C. Neurotensin stimulates expression of early growth response gene-1 and EGF receptor through MAP kinase activation in human colonic epithelial cells. Int J Cancer. 2007 Apr 15; 120(8):1652-6. PMID: 17230532.
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    33. Koon HW, Zhao D, Zhan Y, Moyer MP, Pothoulakis C. Substance P mediates antiapoptotic responses in human colonocytes by Akt activation. Proc Natl Acad Sci U S A. 2007 Feb 06; 104(6):2013-8. PMID: 17264209.
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    34. Koon HW, Pothoulakis C. Immunomodulatory properties of substance P: the gastrointestinal system as a model. Ann N Y Acad Sci. 2006 Nov; 1088:23-40. PMID: 17192554.
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    35. Koon HW, Zhao D, Zhan Y, Rhee SH, Moyer MP, Pothoulakis C. Substance P stimulates cyclooxygenase-2 and prostaglandin E2 expression through JAK-STAT activation in human colonic epithelial cells. J Immunol. 2006 Apr 15; 176(8):5050-9. PMID: 16585602.
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    36. Koon HW, Zhao D, Zhan Y, Simeonidis S, Moyer MP, Pothoulakis C. Substance P-stimulated interleukin-8 expression in human colonic epithelial cells involves protein kinase Cdelta activation. J Pharmacol Exp Ther. 2005 Sep; 314(3):1393-400. PMID: 15917399.
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    37. Na X, Zhao D, Koon HW, Kim H, Husmark J, Moyer MP, Pothoulakis C, LaMont JT. Clostridium difficile toxin B activates the EGF receptor and the ERK/MAP kinase pathway in human colonocytes. Gastroenterology. 2005 Apr; 128(4):1002-11. PMID: 15825081.
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    38. Zhao D, Zhan Y, Zeng H, Koon HW, Moyer MP, Pothoulakis C. Neurotensin stimulates interleukin-8 expression through modulation of I kappa B alpha phosphorylation and p65 transcriptional activity: involvement of protein kinase C alpha. Mol Pharmacol. 2005 Jun; 67(6):2025-31. PMID: 15755906.
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    39. Koon HW, Zhao D, Na X, Moyer MP, Pothoulakis C. Metalloproteinases and transforming growth factor-alpha mediate substance P-induced mitogen-activated protein kinase activation and proliferation in human colonocytes. J Biol Chem. 2004 Oct 29; 279(44):45519-27. PMID: 15319441.
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    40. Zhao D, Zhan Y, Koon HW, Zeng H, Keates S, Moyer MP, Pothoulakis C. Metalloproteinase-dependent transforming growth factor-alpha release mediates neurotensin-stimulated MAP kinase activation in human colonic epithelial cells. J Biol Chem. 2004 Oct 15; 279(42):43547-54. PMID: 15247267.
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