Sarah Sheibani, MD

Assistant Professor of Clinical Medicine

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Dr. Sheibani is a gastroenterologist with specialized training in inflammatory bowel diseases (IBD). She completed her internship and residency training in internal medicine at Stanford University. Following her Gastroenterology Fellowship at USC, she did an extra year of training in IBD at the University of California, San Francisco. Dr. Sheibani’s research interests include the treatment of gastrointestinal bleeding and health-care maintenance issues in patients with IBD.


  • Stanford University: Franklin G. Ebaugh Jr. Award for Resident Research, 2006
  • Alpha Omega Alpha: Elected Member, 2005
  • Gold Humanism Honor Society: Member, 2005
  • Gold Headed Cane Award for Devotion to Patient Care, 2004-2005
  • University of California, Irvine: Regent’s Scholarship, 2001
  • Phi Beta Kappa: Elected Member, 2000
  • Robert Ernst Prize for Excellence in Research in the Biological Sciences, 2000
  • Scholastic Honor Society: Member, 2000
  • Golden Key National Honor Society: Member, 1997


  • ChatGPT4 Outperforms Endoscopists for Determination of Postcolonoscopy Rescreening and Surveillance Recommendations Clin Gastroenterol Hepatol. 2024 May 09. . View in PubMed
  • Patient-specific finite element analysis of heart failure and the impact of surgical intervention in pulmonary hypertension secondary to mitral valve disease Med Biol Eng Comput. 2022 Jun; 60(6):1723-1744. . View in PubMed
  • Decreased Antibody Responses to Ad26COV2. S Relative to SARS-CoV-2 mRNA Vaccines in Patients With Inflammatory Bowel Disease. Gastroenterology. 2021 12; 161(6):2041-2043. e1. . View in PubMed
  • NKTR-255, a novel polymer-conjugated rhIL-15 with potent antitumor efficacy J Immunother Cancer. 2021 05; 9(5). . View in PubMed
  • Extrapulmonary manifestations of severe acute respiratory syndrome coronavirus-2 infection J Med Virol. 2021 05; 93(5):2645-2653. . View in PubMed
  • Sex as an important factor in nanomedicine Nat Commun. 2021 05 20; 12(1):2984. . View in PubMed
  • Gold Nano/Micro-Islands Overcome the Molecularly Imprinted Polymer Limitations to Achieve Ultrasensitive Protein Detection ACS Sens. 2021 03 26; 6(3):797-807. . View in PubMed
  • Nanoscale characterization of the biomolecular corona by cryo-electron microscopy, cryo-electron tomography, and image simulation Nat Commun. 2021 01 25; 12(1):573. . View in PubMed
  • Contribution of osteocalcin-mimetic peptide enhances osteogenic activity and extracellular matrix mineralization of human osteoblast-like cells Colloids Surf B Biointerfaces. 2019 Jan 01; 173:662-671. . View in PubMed
  • Preventive Health Care Among Postpartum Women With Inflammatory Bowel Disease: Results From the PIANO Registry Inflamm Bowel Dis. 2019 03 14; 25(4):797-802. . View in PubMed
  • Identification of functional missense single-nucleotide polymorphisms in TNFAIP3 in a predominantly Hispanic population J Clin Transl Sci. 2018 12; 2(6):350-355. . View in PubMed
  • Effect of Cell Sex on Uptake of Nanoparticles: The Overlooked Factor at the Nanobio Interface ACS Nano. 2018 03 27; 12(3):2253-2266. . View in PubMed
  • Reply Hepatology. 2017 04; 65(4):1416-1417. . View in PubMed
  • Metabolic and molecular responses to calcium soap of fish oil fed to ewes during peripartal period Cell Mol Biol (Noisy-le-grand). 2017 10 31; 63(10):4-10. . View in PubMed
  • Sensing of Alzheimer’s Disease and Multiple Sclerosis Using Nano-Bio Interfaces J Alzheimers Dis. 2017; 59(4):1187-1202. . View in PubMed
  • Investigation of the Viability, Adhesion, and Migration of Human Fibroblasts in a Hyaluronic Acid/Gelatin Microgel-Reinforced Composite Hydrogel for Vocal Fold Tissue Regeneration Adv Healthc Mater. 2016 Jan 21; 5(2):255-65. . View in PubMed
  • A Flow Perfusion Bioreactor System for Vocal Fold Tissue Engineering Applications Tissue Eng Part C Methods. 2016 09; 22(9):823-38. . View in PubMed
  • Randomized trial of 1-week versus 2-week intervals for endoscopic ligation in the treatment of patients with esophageal variceal bleeding Hepatology. 2016 08; 64(2):549-55. . View in PubMed
  • The Effect of Maternal Peripartum Anti-TNFa Use on Infant Immune Response Dig Dis Sci. 2016 06; 61(6):1622-7. . View in PubMed
  • Inhibition of stress mediated cell death by human lactate dehydrogenase B in yeast FEMS Yeast Res. 2015 Aug; 15(5):fov032. . View in PubMed
  • Human Thyroid Cancer-1 (TC-1) is a vertebrate specific oncogenic protein that protects against copper and pro-apoptotic genes in yeast Microb Cell. 2015 Jul 06; 2(7):247-255. . View in PubMed
  • Crucial role of the protein corona for the specific targeting of nanoparticles Nanomedicine (Lond). 2015 Jan; 10(2):215-26. . View in PubMed
  • Delayed paracentesis is associated with increased in-hospital mortality in patients with spontaneous bacterial peritonitis Am J Gastroenterol. 2014 Sep; 109(9):1436-42. . View in PubMed
  • Human ribosomal protein L9 is a Bax suppressor that promotes cell survival in yeast FEMS Yeast Res. 2014 May; 14(3):495-507. . View in PubMed
  • Causes of bleeding and outcomes in patients hospitalized with upper gastrointestinal bleeding J Clin Gastroenterol. 2014 Feb; 48(2):113-8. . View in PubMed
  • Macromitophagy, neutral lipids synthesis, and peroxisomal fatty acid oxidation protect yeast from “liponecrosis”, a previously unknown form of programmed cell death Cell Cycle. 2014; 13(1):138-47. . View in PubMed
  • The human septin7 and the yeast CDC10 septin prevent Bax and copper mediated cell death in yeast Biochim Biophys Acta. 2013 Dec; 1833(12):3186-3194. . View in PubMed
  • Natural history of acute upper GI bleeding due to tumours: short-term success and long-term recurrence with or without endoscopic therapy Aliment Pharmacol Ther. 2013 Jul; 38(2):144-50. . View in PubMed
  • Macromitophagy is a longevity assurance process that in chronologically aging yeast limited in calorie supply sustains functional mitochondria and maintains cellular lipid homeostasis Aging (Albany NY). 2013 Apr; 5(4):234-69. . View in PubMed
  • Influence of the physiochemical properties of superparamagnetic iron oxide nanoparticles on amyloid ß protein fibrillation in solution ACS Chem Neurosci. 2013 Mar 20; 4(3):475-85. . View in PubMed
  • Editorial: Are thiopurines and anti-TNFa agents safe to use in pregnant patients with inflammatory bowel disease? Am J Gastroenterol. 2013 Mar; 108(3):441-3.. View in PubMed
  • Cell “vision”: complementary factor of protein corona in nanotoxicology Nanoscale. 2012 Sep 07; 4(17):5461-8. . View in PubMed
  • 14-3-3 protects against stress-induced apoptosis Cell Death Dis. 2012 Jul 12; 3:e348. . View in PubMed
  • Untangling the Roles of Anti-Apoptosis in Regulating Programmed Cell Death using Humanized Yeast Cells Front Oncol. 2012; 2:59. . View in PubMed
  • Optimization of petroleum refinery effluent treatment in a UASB reactor using response surface methodology J Hazard Mater. 2011 Dec 15; 197:26-32. . View in PubMed
  • Evidence for a second messenger function of dUTP during Bax mediated apoptosis of yeast and mammalian cells Biochim Biophys Acta. 2011 Feb; 1813(2):315-21. . View in PubMed
  • Long-term impact of capsule endoscopy in patients referred for iron-deficiency anemia Dig Dis Sci. 2010 Mar; 55(3):703-8. . View in PubMed
  • Chemical colitis J Clin Gastroenterol. 2008 Feb; 42(2):115-21. . View in PubMed
  • Evidence that simulated microgravity may alter the vascular nonreceptor tyrosine kinase second messenger pathway Proc West Pharmacol Soc. 2000; 43:75-7. . View in PubMed

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