Ramon U. Jin, MD, PhD

Second-year Fellow
Began fellowship in 2017
Co-Chief Fellow (July 2018 - June 2020)


BS, Case Western Reserve University, Cleveland, OH
MD/PhD, Washington University, St. Louis, MO
Post-graduate training
Residency, Barnes-Jewish Hospital, St. Louis, MO


  • Are Gastric and Esophageal Metaplasia Relatives? The Case for Barrett's Stemming From SPEM
    Jin RU, Mills JC
    Dig Dis Sci 2018 Aug;63(8):2028-2041
  • A Single Transcription Factor Is Sufficient to Induce and Maintain Secretory Cell Architecture
    Lo HG, Jin RU, Sibbel G, Liu D, Karki A, Joens MS, Madison BB, Zhang B, Blanc V, Fitzpatrick JA, Davidson NO, Konieczny SF, Mills JC
    Genes Dev 2017 Jan 15;31(2):154-171
  • Transcriptional Regulation of X-Box-Binding Protein One (XBP1) by Hepatocyte Nuclear Factor 4alpha (HNF4alpha) Is Vital to Beta-Cell Function
    Moore BD, Jin RU, Lo H, Jung M, Wang H, Battle MA, Wollheim CB, Urano F, Mills JC
    J Biol Chem 2016 Mar 18;291(12):6146-57
  • Identification of Alanyl Aminopeptidase (CD13) as a Surface Marker for Isolation of Mature Gastric Zymogenic Chief Cells
    Moore BD, Jin RU, Osaki L, Romero-Gallo J, Noto J, Peek RM Jr, Mills JC
    Am J Physiol Gastrointest Liver Physiol 2015 Dec 15;309(12):G955-64
  • RAB26 Coordinates Lysosome Traffic and Mitochondrial Localization
    Jin RU, Mills JC
    J Cell Sci 2014 Mar 1;127(Pt 5):1018-32
  • The Ubiquitin Ligase Mindbomb 1 Coordinates Gastrointestinal Secretory Cell Maturation
    Capoccia BJ, Jin RU, Kong YY, Peek RM Jr, Fassan M, Rugge M, Mills JC
    J Clin Invest 2013 Apr;123(4):1475-91
  • The E3 Ubiquitin Ligase Cullin 4A Regulates Meiotic Progression in Mouse Spermatogenesis
    Yin Y, Lin C, Kim ST, Roig I, Chen H, Liu L, Veith GM, Jin RU, Keeney S, Jasin M, Moley K, Zhou P, Ma L
    Dev Biol 2011 Aug 1;356(1):51-62
  • RAB26 and RAB3D Are Direct Transcriptional Targets of MIST1 That Regulate Exocrine Granule Maturation
    Tian X, Jin RU, Bredemeyer AJ, Oates EJ, Blazewska KM, McKenna CE, Mills JC
    Mol Cell Biol 2010 Mar;30(5):1269-84
  • The Cystic Fibrosis Transmembrane Conductance Regulator (Cftr) Modulates the Timing of Puberty in Mice
    Jin RU, Hodges CA, Drumm ML, Palmert MR
    The Journal of Medical Genetics 2006 Jun;43(6):e29

Peer Reviewed Book Chapter

  • Chapter 5: Congenital and Acquired Diseases of the Stomach
    Jin RU, Mills JC
    In: DL Gumucio, LC Samuelson, JR Spence (Eds), Translational Gastroenterology: Organogenesis to Disease (pp 57-71). Hoboken: John Wiley and Sons, 2014