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Peter Ernst

TitleAdjunct Professor
InstitutionUniversity of California San Diego
DepartmentMedicine
Address9500 Gilman Drive #0063
La Jolla CA 92093
Phone858-534-2975
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    Collapse Biography 
    Collapse Education and Training
    University of Toronto (Trinity College) BSc1977Gastrointestinal Physiology
    Ontario Veterinary College, Univ of GuelphDVM 1981Veterinary Medicine
    Ontario Veterinary College, Univ of GuelphMSc1981Epidemiology
    McMaster UniversityPodtdoc1985Mucosal Immunology
    McMaster UniversityPhD1986Mucosal Immunology

    Collapse Research 
    Collapse Research Activities and Funding
    UCSD Research Training Program for Veterinarians
    NIH T32OD017863May 2, 2014 - Apr 30, 2019
    Role: Principal Investigator
    Inhibition of Treg function to cure persistent H. pylori infection
    NIH/NIAID R21AI105916Mar 4, 2013 - Feb 28, 2015
    Role: Principal Investigator
    The Role of Adenosine Receptors in Th Cell Development and Function
    NIH/NIAID R01AI079145Jun 15, 2010 - Nov 30, 2022
    Role: Principal Investigator
    Mechanisms of apoptotic cell clearance in the human stomach
    NIH/NIDDK R01DK084063May 1, 2010 - Apr 30, 2014
    Role: Principal Investigator
    Effects of apoptotic epithelial cell engulfment on mucosal inflammation
    NIH/NIAID R21AI083600Sep 1, 2009 - Sep 30, 2011
    Role: Principal Investigator
    The Role of Adenosine Receptors in Th Cell Development and Function
    NIH/NIAID R56AI079145Sep 30, 2008 - Aug 31, 2010
    Role: Principal Investigator
    Adenosine Receptor Agonists as an Immunotherapy for Biodefense
    NIH/NIAID U01AI070491Aug 15, 2006 - Jul 31, 2013
    Role: Principal Investigator
    The Novel Role for Adenosine Receptor Agonists in Acquired Neonatal Tolerance
    NIH/NIAID R21AI069880Jul 1, 2006 - Jun 30, 2008
    Role: Principal Investigator
    UVA Digestive Health Research Center
    NIH P30DK067629Jun 1, 2004 - May 31, 2010
    Role: Co-Investigator
    Education Program for Digestive Health Research
    NIH/NIDDK R25DK066021Feb 15, 2004 - Jan 31, 2010
    Role: Principal Investigator
    The pathobiology of gastrointestinal disease in mice
    NIH/NCRR K26RR000175Apr 1, 2001 - Mar 31, 2007
    Role: Principal Investigator
    IMMUNOLOGY AND MUCOSAL DEFENSE TRAINING PROGRAM
    NIH/NIAID T32AI007626Sep 30, 2000 - Jul 31, 2006
    Role: Principal Investigator
    NOVEL TECHNIQUES TO STUDY LYMPHOEPITHELIAL INTERACTIONS
    NIH/NIAID R21AI048173Sep 1, 2000 - Aug 31, 2003
    Role: Principal Investigator
    Center for GI Infection and Injury
    NIH P30DK056338Dec 1, 1999 - Feb 28, 2018
    Role: Co-Investigator
    Cytokine Responses to H. pylori Infection, Immunization
    NIH/NIDDK R01DK051677Sep 1, 1997 - May 31, 2009
    Role: Principal Investigator
    REGULATION OF AUTOREACTIVE T CELLS IN IL10 KNOCKOUT MICE
    NIH/NIDDK R01DK050980Sep 30, 1995 - Aug 31, 2000
    Role: Principal Investigator

    Collapse ORNG Applications 
    Collapse Websites

    Collapse Bibliographic 
    Collapse Publications
    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.
    List All   |   Timeline
    1. Ernst P, Carvunis AR. Of mice, men and immunity: a case for evolutionary systems biology. Nat Immunol. 2018 May; 19(5):421-425. PMID: 29670240.
      View in: PubMed
    2. Sarkar A, Tindle C, Pranadinata RF, Reed S, Eckmann L, Stappenbeck TS, Ernst P, Das S. ELMO1 Regulates Autophagy Induction and Bacterial Clearance During Enteric Infection. J Infect Dis. 2017 Dec 19; 216(12):1655-1666. PMID: 29029244.
      View in: PubMed
    3. Kurashima Y, Yamamoto D, Nelson S, Uematsu S, Ernst P, Nakayama T, Kiyono H. Mucosal Mesenchymal Cells: Secondary Barrier and Peripheral Educator for the Gut Immune System. Front Immunol. 2017; 8:1787. PMID: 29321781.
      View in: PubMed
    4. Ernst P. Our New President- Sheila E. Crowe, MD. Gastroenterology. 2017 05; 152(6):1599-1604. PMID: 28363641.
      View in: PubMed
    5. Chu H, Khosravi A, Kusumawardhani IP, Kwon AH, Vasconcelos AC, Cunha LD, Mayer AE, Shen Y, Wu WL, Kambal A, Targan SR, Xavier RJ, Ernst P, Green DR, McGovern DP, Virgin HW, Mazmanian SK. Gene-microbiota interactions contribute to the pathogenesis of inflammatory bowel disease. Science. 2016 May 27; 352(6289):1116-20. PMID: 27230380; PMCID: PMC4996125 [Available on 05/27/17].
    6. den Hartog G, Chattopadhyay R, Ablack A, Hall EH, Butcher LD, Bhattacharyya A, Eckmann L, Harris PR, Das S, Ernst P, Crowe SE. Regulation of Rac1 and Reactive Oxygen Species Production in Response to Infection of Gastrointestinal Epithelia. PLoS Pathog. 2016 Jan; 12(1):e1005382. PMID: 26761793; PMCID: PMC4711900.
    7. Fox S, Ryan KA, Berger AH, Petro K, Das S, Crowe SE, Ernst P. The role of C1q in recognition of apoptotic epithelial cells and inflammatory cytokine production by phagocytes during Helicobacter pylori infection. J Inflamm (Lond). 2015; 12:51. PMID: 26357509; PMCID: PMC4563842.
    8. Das S, Sarkar A, Choudhury SS, Owen KA, Castillo V, Fox S, Eckmann L, Elliott MR, Casanova JE, Ernst P. ELMO1 has an essential role in the internalization of Salmonella Typhimurium into enteric macrophages that impacts disease outcome. Cell Mol Gastroenterol Hepatol. 2015 Apr 01; 1(3):311-324. PMID: 26878033.
      View in: PubMed
    9. Boland BS, Boyle DL, Sandborn WJ, Firestein GS, Levesque BG, Hillman J, Zhang B, Proudfoot J, Eckmann L, Ernst P, Rivera-Nieves J, Pola S, Copur-Dahi N, Zou G, Chang JT. Validation of gene expression biomarker analysis for biopsy-based clinical trials in Crohn's disease. Inflamm Bowel Dis. 2015 Feb; 21(2):323-30. PMID: 25545378; PMCID: PMC4404151.
    10. Kurtz CC, Drygiannakis I, Naganuma M, Feldman S, Bekiaris V, Linden J, Ware CF, Ernst P. Extracellular adenosine regulates colitis through effects on lymphoid and nonlymphoid cells. Am J Physiol Gastrointest Liver Physiol. 2014 Aug 01; 307(3):G338-46. PMID: 24875104; PMCID: PMC4121634.
    11. Chang JT, Sandborn WJ, Ernst P. Studies in human intestinal tissues: is it time to reemphasize research in human immunology? Gastroenterology. 2014 Jul; 147(1):26-30. PMID: 24877864.
      View in: PubMed
    12. Alam MS, Kuo JL, Ernst P, Derr-Castillo V, Pereira M, Gaines D, Costales M, Bigley E, Williams K. Ecto-5'-nucleotidase (CD73) regulates host inflammatory responses and exacerbates murine salmonellosis. Sci Rep. 2014 Mar 27; 4:4486. PMID: 24670982; PMCID: PMC3967249.
    13. Das S, Sarkar A, Ryan KA, Fox S, Berger AH, Juncadella IJ, Bimczok D, Smythies LE, Harris PR, Ravichandran KS, Crowe SE, Smith PD, Ernst P. Brain angiogenesis inhibitor 1 is expressed by gastric phagocytes during infection with Helicobacter pylori and mediates the recognition and engulfment of human apoptotic gastric epithelial cells. FASEB J. 2014 May; 28(5):2214-24. PMID: 24509909; PMCID: PMC3986834.
    14. Bimczok D, Smythies LE, Waites KB, Grams JM, Stahl RD, Mannon PJ, Peter S, Wilcox CM, Harris PR, Das S, Ernst P, Smith PD. Helicobacter pylori infection inhibits phagocyte clearance of apoptotic gastric epithelial cells. J Immunol. 2013 Jun 15; 190(12):6626-34. PMID: 23686492; PMCID: PMC3725581.
    15. Tlaxca JL, Rychak JJ, Ernst P, Konkalmatt PR, Shevchenko TI, Pizarro TT, Pizzaro TT, Rivera-Nieves J, Klibanov AL, Lawrence MB. Ultrasound-based molecular imaging and specific gene delivery to mesenteric vasculature by endothelial adhesion molecule targeted microbubbles in a mouse model of Crohn's disease. J Control Release. 2013 Feb 10; 165(3):216-25. PMID: 23142578; PMCID: PMC3711027.
    16. Röpcke S, Holz O, Lauer G, Müller M, Rittinghausen S, Ernst P, Lahu G, Elmlinger M, Krug N, Hohlfeld JM. Repeatability of and relationship between potential COPD biomarkers in bronchoalveolar lavage, bronchial biopsies, serum, and induced sputum. PLoS One. 2012; 7(10):e46207. PMID: 23056262; PMCID: PMC3464239.
    17. Luo Y, Kong Q, Yang J, Mitra A, Golden G, Wanda SY, Roland KL, Jensen RV, Ernst P, Curtiss R. Comparative genome analysis of the high pathogenicity Salmonella Typhimurium strain UK-1. PLoS One. 2012; 7(7):e40645. PMID: 22792393; PMCID: PMC3391293.
    18. Warren CA, Calabrese GM, Li Y, Pawlowski SW, Figler RA, Rieger J, Ernst P, Linden J, Guerrant RL. Effects of adenosine A2A receptor activation and alanyl-glutamine in Clostridium difficile toxin-induced ileitis in rabbits and cecitis in mice. BMC Infect Dis. 2012 Jan 20; 12:13. PMID: 22264229; PMCID: PMC3323464.
    19. Ernst P, Erickson LD, Loo WM, Scott KG, Wiznerowicz EB, Brown CC, Torres-Velez FJ, Alam MS, Black SG, McDuffie M, Feldman SH, Wallace JL, McKnight GW, Padol IT, Hunt RH, Tung KS. Spontaneous autoimmune gastritis and hypochlorhydria are manifest in the ileitis-prone SAMP1/YitFcs mice. Am J Physiol Gastrointest Liver Physiol. 2012 Jan 01; 302(1):G105-15. PMID: 21921286; PMCID: PMC3345967.
    20. DeLyria ES, Nedrud JG, Ernst P, Alam MS, Redline RW, Ding H, Czinn SJ, Xu J, Blanchard TG. Vaccine-induced immunity against Helicobacter pylori in the absence of IL-17A. Helicobacter. 2011 Jun; 16(3):169-78. PMID: 21585602; PMCID: PMC3107727.
    21. Luo Y, Kong Q, Yang J, Golden G, Wanda SY, Jensen RV, Ernst P, Curtiss R. Complete genome sequence of the universal killer Salmonella enterica Serovar Typhimurium UK-1 (ATCC 68169). J Bacteriol. 2011 Aug; 193(15):4035-6. PMID: 21622747; PMCID: PMC3147501.
    22. Drygiannakis I, Ernst P, Lowe D, Glomski IJ. Immunological alterations mediated by adenosine during host-microbial interactions. Immunol Res. 2011 May; 50(1):69-77. PMID: 21479929; PMCID: PMC3361322.
    23. Ernst P, Wiznerowicz EB, Feldman SH, Tung KS. Pathogenesis of gastritis in ileitis-prone SAMP1/Yit mice. Keio J Med. 2011; 60(2):65-8. PMID: 21720202.
      View in: PubMed
    24. Bhattacharyya A, Chattopadhyay R, Hall EH, Mebrahtu ST, Ernst P, Crowe SE. Mechanism of hypoxia-inducible factor 1 alpha-mediated Mcl1 regulation in Helicobacter pylori-infected human gastric epithelium. Am J Physiol Gastrointest Liver Physiol. 2010 Nov; 299(5):G1177-86. PMID: 20829524; PMCID: PMC2993173.
    25. Ernst P, Garrison JC, Thompson LF. Much ado about adenosine: adenosine synthesis and function in regulatory T cell biology. J Immunol. 2010 Aug 15; 185(4):1993-8. PMID: 20686167; PMCID: PMC3036969.
    26. Bhattacharyya A, Chattopadhyay R, Burnette BR, Cross JV, Mitra S, Ernst P, Bhakat KK, Crowe SE. Acetylation of apurinic/apyrimidinic endonuclease-1 regulates Helicobacter pylori-mediated gastric epithelial cell apoptosis. Gastroenterology. 2009 Jun; 136(7):2258-69. PMID: 19505426; PMCID: PMC2694750.
    27. O'Hara AM, Bhattacharyya A, Bai J, Mifflin RC, Ernst P, Mitra S, Crowe SE. Tumor necrosis factor (TNF)-alpha-induced IL-8 expression in gastric epithelial cells: role of reactive oxygen species and AP endonuclease-1/redox factor (Ref)-1. Cytokine. 2009 Jun; 46(3):359-69. PMID: 19376732; PMCID: PMC2846768.
    28. Minohara Y, Boyd DK, Hawkins HK, Ernst P, Patel J, Crowe SE. The effect of the cag pathogenicity island on binding of Helicobacter pylori to gastric epithelial cells and the subsequent induction of apoptosis. Helicobacter. 2007 Dec; 12(6):583-90. PMID: 18001397; PMCID: PMC3036973.
    29. Rowlett RM, Chrestensen CA, Nyce M, Harp MG, Pelo JW, Cominelli F, Ernst P, Pizarro TT, Sturgill TW, Worthington MT. MNK kinases regulate multiple TLR pathways and innate proinflammatory cytokines in macrophages. Am J Physiol Gastrointest Liver Physiol. 2008 Feb; 294(2):G452-9. PMID: 18032482.
      View in: PubMed
    30. Ding SZ, Minohara Y, Fan XJ, Wang J, Reyes VE, Patel J, Dirden-Kramer B, Boldogh I, Ernst P, Crowe SE. Helicobacter pylori infection induces oxidative stress and programmed cell death in human gastric epithelial cells. Infect Immun. 2007 Aug; 75(8):4030-9. PMID: 17562777; PMCID: PMC1952011.
    31. Croxen MA, Ernst P, Hoffman PS. Antisense RNA modulation of alkyl hydroperoxide reductase levels in Helicobacter pylori correlates with organic peroxide toxicity but not infectivity. J Bacteriol. 2007 May; 189(9):3359-68. PMID: 17337572; PMCID: PMC1855876.
    32. O'Hara AM, Bhattacharyya A, Mifflin RC, Smith MF, Ryan KA, Scott KG, Naganuma M, Casola A, Izumi T, Mitra S, Ernst P, Crowe SE. Interleukin-8 induction by Helicobacter pylori in gastric epithelial cells is dependent on apurinic/apyrimidinic endonuclease-1/redox factor-1. J Immunol. 2006 Dec 01; 177(11):7990-9. PMID: 17114472.
      View in: PubMed
    33. Naganuma M, Wiznerowicz EB, Lappas CM, Linden J, Worthington MT, Ernst P. Cutting edge: Critical role for A2A adenosine receptors in the T cell-mediated regulation of colitis. J Immunol. 2006 Sep 01; 177(5):2765-9. PMID: 16920910.
      View in: PubMed
    34. Smith MF, Gautam JK, Black SG, Ernst P. Microbial-induced regulation of syndecan expression: important host defense mechanism or an opportunity for pathogens? ScientificWorldJournal. 2006 Apr 04; 6:442-5. PMID: 16604254.
      View in: PubMed
    35. Olson TS, Reuter BK, Scott KG, Morris MA, Wang XM, Hancock LN, Burcin TL, Cohn SM, Ernst P, Cominelli F, Meddings JB, Ley K, Pizarro TT. The primary defect in experimental ileitis originates from a nonhematopoietic source. J Exp Med. 2006 Mar 20; 203(3):541-52. PMID: 16505137; PMCID: PMC2118253.
    36. Ernst P, Peura DA, Crowe SE. The translation of Helicobacter pylori basic research to patient care. Gastroenterology. 2006 Jan; 130(1):188-206; quiz 212-3. PMID: 16401482.
      View in: PubMed
    37. Ernst P. Understanding immunity to Helicobacter pylori: unraveling the riddle, wrapped in a mystery, inside an enigma. Gastroenterology. 2005 Jul; 129(1):380-3. PMID: 16012971.
      View in: PubMed
    38. Barrera CA, Beswick EJ, Sierra JC, Bland D, Espejo R, Mifflin R, Adegboyega P, Crowe SE, Ernst P, Reyes VE. Polarized expression of CD74 by gastric epithelial cells. J Histochem Cytochem. 2005 Dec; 53(12):1481-9. PMID: 15923369; PMCID: PMC3957538.
    39. Nurgalieva ZZ, Conner ME, Opekun AR, Zheng CQ, Elliott SN, Ernst P, Osato M, Estes MK, Graham DY. B-cell and T-cell immune responses to experimental Helicobacter pylori infection in humans. Infect Immun. 2005 May; 73(5):2999-3006. PMID: 15845507; PMCID: PMC1087341.
    40. Ding SZ, O'Hara AM, Denning TL, Dirden-Kramer B, Mifflin RC, Reyes VE, Ryan KA, Elliott SN, Izumi T, Boldogh I, Mitra S, Ernst P, Crowe SE. Helicobacter pylori and H2O2 increase AP endonuclease-1/redox factor-1 expression in human gastric epithelial cells. Gastroenterology. 2004 Sep; 127(3):845-58. PMID: 15362040.
      View in: PubMed
    41. Olson TS, Bamias G, Naganuma M, Rivera-Nieves J, Burcin TL, Ross W, Morris MA, Pizarro TT, Ernst P, Cominelli F, Ley K. Expanded B cell population blocks regulatory T cells and exacerbates ileitis in a murine model of Crohn disease. J Clin Invest. 2004 Aug; 114(3):389-98. PMID: 15286805; PMCID: PMC484978.
    42. Duck WM, Sobel J, Pruckler JM, Song Q, Swerdlow D, Friedman C, Sulka A, Swaminathan B, Taylor T, Hoekstra M, Griffin P, Smoot D, Peek R, Metz DC, Bloom PB, Goldschmidt S, Parsonnet J, Triadafilopoulos G, Perez-Perez GI, Vakil N, Ernst P, Czinn S, Dunne D, Gold BD. Antimicrobial resistance incidence and risk factors among Helicobacter pylori-infected persons, United States. Emerg Infect Dis. 2004 Jun; 10(6):1088-94. PMID: 15207062; PMCID: PMC3323181.
    43. Wendelbo Ø, Nesthus I, Sjo M, Paulsen K, Ernst P, Bruserud Ø. Functional characterization of T lymphocytes derived from patients with acute myelogenous leukemia and chemotherapy-induced leukopenia. Cancer Immunol Immunother. 2004 Aug; 53(8):740-7. PMID: 15133630.
      View in: PubMed
    44. Ryan KA, Smith MF, Sanders MK, Ernst P. Reactive oxygen and nitrogen species differentially regulate Toll-like receptor 4-mediated activation of NF-kappa B and interleukin-8 expression. Infect Immun. 2004 Apr; 72(4):2123-30. PMID: 15039334; PMCID: PMC375203.
    45. Haeberle HA, Casola A, Gatalica Z, Petronella S, Dieterich HJ, Ernst P, Brasier AR, Garofalo RP. IkappaB kinase is a critical regulator of chemokine expression and lung inflammation in respiratory syncytial virus infection. J Virol. 2004 Mar; 78(5):2232-41. PMID: 14963119; PMCID: PMC369265.
    46. Denning TL, Qi H, König R, Scott KG, Naganuma M, Ernst P. CD4+ Th cells resembling regulatory T cells that inhibit chronic colitis differentiate in the absence of interactions between CD4 and class II MHC. J Immunol. 2003 Sep 01; 171(5):2279-86. PMID: 12928372.
      View in: PubMed
    47. Denning TL, Takaishi H, Crowe SE, Boldogh I, Jevnikar A, Ernst P. Oxidative stress induces the expression of Fas and Fas ligand and apoptosis in murine intestinal epithelial cells. Free Radic Biol Med. 2002 Dec 15; 33(12):1641-50. PMID: 12488132.
      View in: PubMed
    48. Takata T, El-Omar E, Camorlinga M, Thompson SA, Minohara Y, Ernst P, Blaser MJ. Helicobacter pylori does not require Lewis X or Lewis Y expression to colonize C3H/HeJ mice. Infect Immun. 2002 Jun; 70(6):3073-9. PMID: 12011000; PMCID: PMC127983.
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