StevenM.PowellMD

Gastroenterology • Charlottesville, VA

Associate Professor, Internal Medicine, University of Virginia School of Medicine

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Office
1215 Lee St
Fl 1
Charlottesville, VA 22908
Phone+1 434-243-3090

Fax+1 434-244-9445
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Education & Training

Indiana University School of MedicineFellowship, Gastroenterology, 1990 - 1994
Indiana University School of MedicineResidency, Internal Medicine, 1987 - 1990
Indiana University School of MedicineClass of 1987

Certifications & Licensure

VA State Medical License 1996 - 2024
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013-2014

Publications & Presentations

PubMed

2 citations
Transcriptomic Response to Calcium in Normal Colon Organoids is Impacted by Colon Location and Sex.
Matthew A M Devall, Christopher H Dampier, Stephen Eaton, Mourad Wagdy Ali, Sarah J Plummer, Jennifer Bryant, W James Gauderman, Ulrike Peters, Steven M Powell, Graham...> ;Cancer Prevention Research. 2022 Oct 4
5 citations
Novel insights into the molecular mechanisms underlying risk of colorectal cancer from smoking and red/processed meat carcinogens by modeling exposure in normal colon ...
Matthew Devall, Christopher H. Dampier, Stephen Eaton, Mourad Wagdy Ali, Virginia Díez-Obrero, Ferran Moratalla-Navarro, Jennifer Bryant, Lucas T. Jennelle, Victor Mor...> ;Oncotarget. 2021 Sep 14
10 citations
Transcriptome-wide In Vitro Effects of Aspirin on Patient-derived Normal Colon Organoids.
Matthew Devall, David A. Drew, Christopher H. Dampier, Sarah J. Plummer, Stephen Eaton, Jennifer Bryant, Virginia Díez-Obrero, Jiancheng Mo, Dmitriy Kedrin, Dylan C Ze...> ;Cancer Prevention Research. 2021 Aug 13
3 citations
Colon Crypts of Subjects With Familial Adenomatous Polyposis Show an Increased Number of LGR5+ Ectopic Stem Cells
Lucas T. Jennelle, Christopher H. Dampier, Stephanie Tring, Steven M. Powell, Graham Casey> ;Clinical and Translational Gastroenterology. 2021 May 17
13 citations
Ethanol exposure drives colon location specific cell composition changes in a normal colon crypt 3D organoid model.
Matthew Devall, Sarah J. Plummer, Jennifer Bryant, Lucas T. Jennelle, Stephen Eaton, Christopher H. Dampier, Jeroen R. Huyghe, Ulrike Peters, Steven M. Powell, Graham ...> ;Scientific Reports. 2021 Jan 11
20 citations
Modeling the effect of prolonged ethanol exposure on global gene expression and chromatin accessibility in normal 3D colon organoids.
Matthew Devall, Lucas T. Jennelle, Jennifer Bryant, Stephanie A. Bien, Ulrike Peters, Steven M. Powell, Graham Casey> ;Plos One. 2020 Jan 17
3 citations
A Rare Presentation of Ameloblastic Carcinoma of the Sinus Cavity and Skull Base.
Kelly C Landeen, William C. Spanos, Steven M. Powell> ;Cureus. 2019 Dec 1
437 citations
Pembrolizumab for Platinum- and Cetuximab-Refractory Head and Neck Cancer: Results From a Single-Arm, Phase II Study.
Joshua Bauml, Tanguy Y. Seiwert, David G. Pfister, Francis P. Worden, Stephen V. Liu, Jill Gilbert, Nabil F. Saba, Jared Weiss, Lori J. Wirth, Ammar Sukari, Hyunseok K...> ;Journal of Clinical Oncology. 2017 Mar 22
14 citations
Unresectable cutaneous squamous cell carcinoma of the forehead with MLH1 mutation showing dramatic response to Programmed Cell Death Protein 1 Inhibitor Therapy.
Jed H Assam, Steven M. Powell, William C. Spanos> ;Clinical Skin Cancer. 2016 Jan 1
8 citations
Genetics/Genomics/Proteomics of Gastric Adenocarcinoma
Dushant S. Uppal, Steven M. Powell> ;Gastroenterology Clinics of North America. 2013 Jun 1
3 citations
Hormonal Effects on Nodular GAVE.
Alan Brijbassie, Abdullah Al Osaimi, Steven M. Powell> ;Gastroenterology Research. 2013 Apr 1
14 citations
Somatic mutations in CCK2R alter receptor activity that promote oncogenic phenotypes.
Melinda D. Willard, Mary E. Lajiness, Isabella H. Wulur, Bo Feng, Michelle L. Swearingen, Mark T. Uhlik, Kenneth W. Kinzler, Victor E. Velculescu, Tobias Sjöblom, Sanf...> ;Molecular Cancer Research. 2012 Jun 1
24 citations
Alterations in Barrett's-related adenocarcinomas: a proteomic approach.
Dunfa Peng, Essam A. Sheta, Steven M. Powell, Christopher A. Moskaluk, Kay Washington, Ira L. Goldknopf, Wael El-Rifai> ;International Journal of Cancer. 2008 Mar 15
16 citations
Transcriptional oncogenomic hot spots in Barrett's adenocarcinomas: serial analysis of gene expression.
Mohammad H. Razvi, Dunfa Peng, Altaf A. Dar, Steven M. Powell, Henry F. Frierson, Christopher A. Moskaluk, Kay Washington, Wael El-Rifai> ;Genes, Chromosomes & Cancer. 2007 Oct 1
1 citations
Poorly differentiated adenocarcinoma arising from a hyperplastic polyp: which polyps should be endoscopically resected?
Rajnish Mishra, Edward B. Stelow, Steven M. Powell, Vanessa M. Shami> ;Digestive Diseases and Sciences. 2007 Apr 6
29 citations
Expression of calcium-binding proteins S100A2 and S100A4 in Barrett's adenocarcinomas.
Ok Jae Lee, Seung-Mo Hong, Mohammad H. Razvi, Dunfa Peng, Steven M. Powell, Mark Smoklin, Christopher A. Moskaluk, Wael El-Rifai> ;Neoplasia. 2006 Oct 1
22 citations
Overexpression of CEBPbeta correlates with decreased TFF1 in gastric cancer.
N V Sankpal, Christopher A. Moskaluk, Garret M. Hampton, Steven M. Powell> ;Oncogene. 2006 Jan 26
89 citations
Expression of Tight-Junction Protein Claudin-7 Is an Early Event in Gastric Tumorigenesis
Adam H. Johnson, Henry F. Frierson, Alexander Zaika, Steven M. Powell, James K. Roche, Sheila E. Crowe, Christopher A. Moskaluk, Wael El-Rifai> ;The American Journal of Pathology. 2005 Aug 1
15 citations
Transcriptional repression of TFF1 in gastric epithelial cells by CCAAT/enhancer binding protein-β
Narendra V. Sankpal, Marty W. Mayo, Steven M. Powell> ;Biochimica Et Biophysica Acta. 2005 Apr 5
20 citations
Altered expression of TFF-1 and CES-2 in Barrett's Esophagus and associated adenocarcinomas.
Charles A. Fox, Lisa M. Sapinoso, Hong Zhang, Wanghai Zhang, Howard L. McLeod, Gina R. Petroni, Tarun Mullick, Christopher A. Moskaluk, Henry F. Frierson, Garret M. Ha...> ;Neoplasia. 2005 Apr 1
20 citations
Nucleotide variants within the IQGAP1 gene in diffuse-type gastric cancers.
Leah E. Morris, George S. Bloom, Henry F. Frierson, Steven M. Powell> ;Genes, Chromosomes & Cancer. 2005 Mar 1
12 citations
Allelic imbalance of 8p indicates poor survival in gastric cancer.
Amy J. French, Gina R. Petroni, Stephen N. Thibideau, Mark E. Smolkin, Eric A. Bissonette, Franco Roviello, Jeffrey C. Harper, Benjamin R. Koch, Sarah A. Anderson, Sco...> ;The Journal of Molecular Diagnostics. 2004 Aug 1
407 citations
Mutational analysis of the tyrosine phosphatome in colorectal cancers.
Zhenghe Wang, Dong Shen, D. Williams Parsons, Alberto Bardelli, Jason Sager, Steve Szabo, Janine Ptak, Natalie Silliman, Brock A. Peters, Michiel S. van der Heijden, G...> ;Science. 2004 May 21
2740 citations
High frequency of mutations of the PIK3CA gene in human cancers
Yardena Samuels, Zhenghe Wang, Alberto Bardelli, Natalie Silliman, Janine Ptak, Steve Szabo, Hai Yan, Adi F. Gazdar, Steven M. Powell, Gregory J. Riggins, James K V Wi...> ;Science. 2004 Apr 23
25 citations
Clustering of molecular alterations in gastroesophageal carcinomas.
Natalie Koon, Alexander Zaika, Christopher A. Moskaluk, Henry F. Frierson, Sakari Knuutila, Steven M. Powell, Wael El-Rifai> ;Neoplasia. 2004 Mar 1
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