Xavier, Ramnik

Ramnikxavier1
Phone: 617-643-3331
Email:

Research

Ramnik Xavier is the Kurt Isselbacher Professor of Medicine at Harvard Medical School and Chief of Gastroenterology at Massachusetts General Hospital. He is board certified in Medicine and Gastroenterology. Ramnik is also the Director of the Center for the Study of Inflammatory Bowel Disease, an Institute Member of the Broad Institute of MIT and Harvard, and Co-Director of the Center for Microbiome Informatics and Therapeutics at MIT. Ramnik is clinically active, teaching medical students, residents in medicine, and gastroenterology fellows rotating through MGH.

Selected Publications (from total of 236)

Articles

Begun J, Lassen KG, Jijon HB, Baxt LA, Goel G, Heath RJ, Ng A, Tam JM, Kuo SY, Villablanca EJ, Fagbami L, Oosting M, Kumar V, Schenone M, Carr SA, Joosten LA, Vyas JM, Daly MJ, Netea MG, Brown GD, Wijmenga C, Xavier RJ
Integrated Genomics of Crohn's Disease Risk Variant Identifies a Role for CLEC12A in Antibacterial Autophagy.
Cell Rep. 2015;11(12):1905-1918 - PMID: 26095365
Causton B, Ramadas RA, Cho JL, Jones K, Pardo-Saganta A, Rajagopal J, Xavier RJ, Medoff BD
CARMA3 Is Critical for the Initiation of Allergic Airway Inflammation.
J Immunol. 2015;:ePub - PMID: 26041536
Khor B, Gagnon JD, Goel G, Roche MI, Conway KL, Tran K, Aldrich LN, Sundberg TB, Paterson AM, Mordecai S, Dombkowski D, Schirmer M, Tan PH, Bhan AK, Roychoudhuri R, Restifo NP, O'Shea JJ, Medoff BD, Shamji AF, Schreiber SL, Sharpe AH, Shaw SY, Xavier RJ
The kinase DYRK1A reciprocally regulates the differentiation of Th17 and regulatory T cells.
Elife. 2015;4:ePub - PMID: 25998054 - PMCID: PMC4441007
Wlodarska M, Kostic AD, Xavier RJ
An Integrative View of Microbiome-Host Interactions in Inflammatory Bowel Diseases.
Cell Host Microbe. 2015;17(5):577-591 - PMID: 25974300
Aldrich LN, Kuo SY, Castoreno AB, Goel G, Kuballa P, Rees MG, Seashore-Ludlow BA, Cheah JH, Latorre IJ, Schreiber SL, Shamji AF, Xavier RJ
Discovery of a Small-Molecule Probe for V-ATPase Function.
J Am Chem Soc. 2015;137(16):5563-8 - PMID: 25860544 - PMCID: PMC4416280
Morgan XC, Kabakchiev B, Waldron L, Tyler AD, Tickle TL, Milgrom R, Stempak JM, Gevers D, Xavier RJ, Silverberg MS, Huttenhower C
Associations between host gene expression, the mucosal microbiome, and clinical outcome in the pelvic pouch of patients with inflammatory bowel disease.
Genome Biol. 2015;16(1):67 - PMID: 25887922 - PMCID: PMC4414286
Haberman Y, Tickle TL, Dexheimer PJ, Kim MO, Tang D, Karns R, Baldassano RN, Noe JD, Rosh J, Markowitz J, Heyman MB, Griffiths AM, Crandall WV, Mack DR, Baker SS, Huttenhower C, Keljo DJ, Hyams JS, Kugathasan S, Walters TD, Aronow B, Xavier RJ, Gevers D, Denson LA
Pediatric Crohn disease patients exhibit specific ileal transcriptome and microbiome signature.
J Clin Invest. 2015;125(3):1363 - PMID: 25729854 - PMCID: PMC4362234
Sarmento OF, Svingen PA, Xiong Y, Xavier RJ, McGovern D, Smyrk TC, Papadakis KA, Urrutia RA, Faubion WA
A novel role for KLF14 in T regulatory cell differentiation.
Cell Mol Gastroenterol Hepatol. 2015;1(2):188-202.e4 - PMID: 25750932 - PMCID: PMC4349492
Kostic AD, Gevers D, Siljander H, Vatanen T, Hyötyläinen T, Hämäläinen AM, Peet A, Tillmann V, Pöhö P, Mattila I, Lähdesmäki H, Franzosa EA, Vaarala O, de Goffau M, Harmsen H, Ilonen J, Virtanen SM, Clish CB, Oreši? M, Huttenhower C, Knip M, , Xavier RJ
The Dynamics of the Human Infant Gut Microbiome in Development and in Progression toward Type 1 Diabetes.
Cell Host Microbe. 2015;17(2):260-273 - PMID: 25662751
Norman JM, Handley SA, Baldridge MT, Droit L, Liu CY, Keller BC, Kambal A, Monaco CL, Zhao G, Fleshner P, Stappenbeck TS, McGovern DP, Keshavarzian A, Mutlu EA, Sauk J, Gevers D, Xavier RJ, Wang D, Parkes M, Virgin HW
Disease-Specific Alterations in the Enteric Virome in Inflammatory Bowel Disease.
Cell. 2015;160(3):447-60 - PMID: 25619688 - PMCID: PMC4312520
Palsson-McDermott EM, Curtis AM, Goel G, Lauterbach MA, Sheedy FJ, Gleeson LE, van den Bosch MW, Quinn SR, Domingo-Fernandez R, Johnson DG, Jiang J, Israelsen WJ, Keane J, Thomas C, Clish C, Vanden Heiden M, Xavier RJ, O'Neill LA
Pyruvate Kinase M2 Regulates Hif-1? Activity and IL-1? Induction and Is a Critical Determinant of the Warburg Effect in LPS-Activated Macrophages.
Cell Metab. 2015;21(1):65-80 - PMID: 25565206
Guo AY, Stevens BW, Wilson RG, Russell CN, Cohen MA, Sturgeon HC, Thornton A, Giallourakis C, Khalili H, Nguyen DD, Sauk J, Yajnik V, Xavier RJ, Ananthakrishnan AN
Early life environment and natural history of inflammatory bowel diseases.
BMC Gastroenterol. 2014;14(1):216 - PMID: 25510175 - PMCID: PMC4300207
Knights D, Silverberg MS, Weersma RK, Gevers D, Dijkstra G, Huang H, Tyler AD, van Sommeren S, Imhann F, Stempak JM, Huang H, Vangay P, Al-Ghalith GA, Russell C, Sauk J, Knight J, Daly MJ, Huttenhower C, Xavier RJ
Complex host genetics influence the microbiome in inflammatory bowel disease.
Genome Med. 2014;6(12):107 - PMID: 25587358 - PMCID: PMC4292994
Paulus GL, Xavier RJ
Autophagy and checkpoints for intracellular pathogen defense.
Curr Opin Gastroenterol. 2014;31(1):14-23 - PMID: 25394238 - PMCID: PMC4330559
Buffen K, Oosting M, Quintin J, Ng A, Kleinnijenhuis J, Kumar V, van de Vosse E, Wijmenga C, van Crevel R, Oosterwijk E, Grotenhuis AJ, Vermeulen SH, Kiemeney LA, van de Veerdonk FL, Chamilos G, Xavier RJ, van der Meer JW, Netea MG, Joosten LA
Autophagy Controls BCG-Induced Trained Immunity and the Response to Intravesical BCG Therapy for Bladder Cancer.
PLoS Pathog. 2014;10(10):e1004485 - PMID: 25356988 - PMCID: PMC4214925
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