EDUCATION

Undergraduate Degree

  • McGill University , 2003 , Montreal , Canada

Medical School

  • University of McGill , 2008 , Montreal , Canada

Internship

  • McMaster Children’s Hospital , 2011 , Hamilton , Canada

Residency

  • McMaster Children’s Hospital , 2011 , Hamilton , Canada

Fellowship

Clinical - Pediatric Gastroenterology Hepatology and Nutrition
  • Boston Children's Hospital , 2012 , Boston , MA

Fellowship

Research, Snapper Laboratory
  • Boston Children’s Hospital , 2014 , Boston , MA

Graduate Degree

  • Harvard Medical School, Harvard Catalyst: Scholars in Clinical Sciences Program , 2014 , Boston , MA

Fellowship

IBD
  • Boston Children's Hospital , 2015 , Boston , MA

Personal Biography

PROFESSIONAL HISTORY

Dr. Ouahed is a pediatric gastroenterologist involved in the clinical care of many complex patients with focus on those with Inflammatory Bowel Diseases (IBD) and immune dysregulations. Her area of expertise is in Inflammatory Bowel Disease (IBD). She attended McGill Medical School and completed her residency at McMaster Children’s Hospital in Canada. She went on to complete her fellowship in pediatric gastroenterology and nutrition, followed by an advanced fellowship in IBD at Boston Children's Hospital, where she now works as an attending physician. Dr. Ouahed is involved in several translational research projects focused on the genetics underlying early onset of IBD.

Dr. Ouahed serves as an expert for the Department of Gastroenterology for Boston Children's Hospital Precision Medicine Service. For more information about the Precision Medicine Service please visit bostonchildrens.org/precisionmed.

CERTIFICATIONS

  • American Board of Pediatrics, General Pediatrics
  • American Board of Pediatrics, Pediatric Gastroenterology

PUBLICATIONS

Publications powered by Harvard Catalyst Profiles

  1. Haghighi A, Krier JB, Toth-Petroczy A, Cassa CA, Frank NY, Carmichael N, Fieg E, Bjonnes A, Mohanty A, Briere LC, Lincoln S, Lucia S, Gupta VA, Söylemez O, Sutti S, Kooshesh K, Qiu H, Fay CJ, Perroni V, Valerius J, Hanna M, Frank A, Ouahed J, Snapper SB, Pantazi A, Chopra SS, Leshchiner I, Stitziel NO, Feldweg A, Mannstadt M, Loscalzo J, Sweetser DA, Liao E, Stoler JM, Nowak CB, Sanchez-Lara PA, Klein OD, Perry H, Patsopoulos NA, Raychaudhuri S, Goessling W, Green RC, Seidman CE, MacRae CA, Sunyaev SR, Maas RL, Vuzman D. An integrated clinical program and crowdsourcing strategy for genomic sequencing and Mendelian disease gene discovery. NPJ Genom Med. 2018; 3:21. View abstract
  2. Ouahed J, Gordon W, Canavan JB, Zhou H, Du S, von Schack D, Phillips K, Wang L, Dunn WA, Field M, Friel S, Griffith A, Evans S, Tollefson S, Carrellas M, Cao B, Merker A, Bousvaros A, Shouval DS, Hung K, Lepsy C, Afzelius L, Korzenik JR, Snapper SB. Mucosal Gene Expression in Pediatric and Adult Patients With Ulcerative Colitis Permits Modeling of Ideal Biopsy Collection Strategy for Transcriptomic Analysis. Inflamm Bowel Dis. 2018 Jul 31. View abstract
  3. Li K, Strauss R, Ouahed J, Chan D, Telesco SE, Shouval DS, Canavan JB, Brodmerkel C, Snapper SB, Friedman JR. Molecular Comparison of Adult and Pediatric Ulcerative Colitis Indicates Broad Similarity of Molecular Pathways in Disease Tissue. J Pediatr Gastroenterol Nutr. 2018 Jul; 67(1):45-52. View abstract
  4. Vardi I, Barel O, Sperber M, Schvimer M, Nunberg M, Field M, Ouahed J, Marek-Yagel D, Werner L, Haberman Y, Lahad A, Anikster Y, Rechavi G, Barshack I, McElwee JJ, Maranville J, Somech R, Snapper SB, Weiss B, Shouval DS. Genetic and Structural Analysis of a SKIV2L Mutation Causing Tricho-hepato-enteric Syndrome. Dig Dis Sci. 2018 05; 63(5):1192-1199. View abstract
  5. Baumer FM, Ouahed J, Verhave M, Rivkin MJ. Fatal Central Nervous System Disease Following First Infliximab Infusion in a Child With Inflammatory Bowel Disease. Pediatr Neurol. 2016 Apr; 57:91-4. View abstract
  6. Goettel JA, Biswas S, Lexmond WS, Yeste A, Passerini L, Patel B, Yang S, Sun J, Ouahed J, Shouval DS, McCann KJ, Horwitz BH, Mathis D, Milford EL, Notarangelo LD, Roncarolo MG, Fiebiger E, Marasco WA, Bacchetta R, Quintana FJ, Pai SY, Klein C, Muise AM, Snapper SB. Fatal autoimmunity in mice reconstituted with human hematopoietic stem cells encoding defective FOXP3. Blood. 2015 Jun 18; 125(25):3886-95. View abstract
  7. Uhlig HH, Schwerd T, Koletzko S, Shah N, Kammermeier J, Elkadri A, Ouahed J, Wilson DC, Travis SP, Turner D, Klein C, Snapper SB, Muise AM. The diagnostic approach to monogenic very early onset inflammatory bowel disease. Gastroenterology. 2014 Nov; 147(5):990-1007.e3. View abstract
  8. Shouval DS, Ouahed J, Biswas A, Goettel JA, Horwitz BH, Klein C, Muise AM, Snapper SB. Interleukin 10 receptor signaling: master regulator of intestinal mucosal homeostasis in mice and humans. Adv Immunol. 2014; 122:177-210. View abstract
  9. Ouahed J, Shagrani M, Sant'Anna A. Role of wireless capsule endoscopy in reclassifying inflammatory bowel disease in children. J Pediatr (Rio J). 2013 Mar-Apr; 89(2):204-9. View abstract
  10. Flageole H, Ouahed J, Walton JM, Yousef Y. Abdominal compartment syndrome secondary to chronic constipation. Case Rep Pediatr. 2011; 2011:562730. View abstract
  11. Ouahed J, Johnson N, Brill H. Case 2: Weight loss despite tube feeding. Paediatr Child Health. 2011 Jan; 16(1):9-10. View abstract
  12. Bitzan M, Ouahed JD, Carpineta L, Bernard C, Bell LE. Cryptogenic organizing pneumonia after rituximab therapy for presumed post-kidney transplant lymphoproliferative disease. Pediatr Nephrol. 2010 Jun; 25(6):1163-7. View abstract
  13. Bitzan M, Ouahed JD, Krishnamoorthy P, Bernard C. Rituximab treatment of collapsing C1q glomerulopathy: clinical and histopathological evolution. Pediatr Nephrol. 2008 Aug; 23(8):1355-61. View abstract