Prof. Antone R Opekun, MS, PA-C - Baylor College of Medicine - Associate Professor

Prof. Antone R Opekun

MS, PA-C

Baylor College of Medicine

Associate Professor

Houston, Texas | United States

Main Specialties: Gastroenterology, Pediatric Gastroenterology

Additional Specialties: Translational Research and Medical Education

Prof. Antone R Opekun, MS, PA-C - Baylor College of Medicine - Associate Professor

Prof. Antone R Opekun

MS, PA-C

Introduction

Primary Affiliation: Baylor College of Medicine - Houston, Texas , United States

Specialties:

Additional Specialties:

Research Interests:

Publications

42Publications

1093Reads

84Profile Views

1124PubMed Central Citations

Intermittent fasting from dawn to sunset for 30 consecutive days is associated with anticancer proteomic signature and upregulates key regulatory proteins of glucose and lipid metabolism, circadian clock, DNA repair, cytoskeleton remodeling, immune system and cognitive function in healthy subjects.

J Proteomics 2020 Apr 9;217:103645. Epub 2020 Jan 9.

Advanced Technology Core, Mass Spectrometry Proteomics Core, Baylor College of Medicine, Houston, TX, United States of America; Department of Molecular & Cellular Biology, Baylor College of Medicine, Houston, TX, United States of America.

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http://dx.doi.org/10.1016/j.jprot.2020.103645DOI Listing
April 2020
3.888 Impact Factor

Use of the Biphasic (13)C-Sucrose/Glucose Breath Test to Assess Sucrose Maldigestion in Adults with Functional Bowel Disorders.

Biomed Res Int 2016 8;2016:7952891. Epub 2016 Aug 8.

Division of Gastroenterology and Hepatology, Department of Internal Medicine, Baylor College of Medicine, Houston, TX 77030, USA.

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http://dx.doi.org/10.1155/2016/7952891DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4992795PMC
February 2017
23 Reads
1 Citation

Replication of human noroviruses in stem cell-derived human enteroids.

Science 2016 09 25;353(6306):1387-1393. Epub 2016 Aug 25.

Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA. Department of Medicine, Baylor College of Medicine, Houston, TX, USA.

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http://dx.doi.org/10.1126/science.aaf5211DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5305121PMC
September 2016
117 Reads
126 Citations
31.480 Impact Factor

Human Intestinal Enteroids: a New Model To Study Human Rotavirus Infection, Host Restriction, and Pathophysiology.

J Virol 2016 01 7;90(1):43-56. Epub 2015 Oct 7.

Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA Department of Medicine, Baylor College of Medicine, Houston, Texas, USA

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http://dx.doi.org/10.1128/JVI.01930-15DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4702582PMC
January 2016
64 Reads
46 Citations
4.440 Impact Factor

Mucosal and Cellular Immune Responses to Norwalk Virus.

J Infect Dis 2015 Aug 29;212(3):397-405. Epub 2015 Jan 29.

Department of Molecular Virology and Microbiology Department of Medicine.

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http://dx.doi.org/10.1093/infdis/jiv053DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4817641PMC
August 2015
34 Reads
23 Citations
6.000 Impact Factor

MicroRNA signatures differentiate Crohn's disease from ulcerative colitis.

BMC Immunol 2015 Feb 10;16. Epub 2015 Feb 10.

Department of Diagnostic and Biomedical Sciences, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, 77054, USA.

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http://dx.doi.org/10.1186/s12865-015-0069-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4335694PMC
February 2015
67 Reads
28 Citations
2.481 Impact Factor

Experimental human infection with Norwalk virus elicits a surrogate neutralizing antibody response with cross-genogroup activity.

Clin Vaccine Immunol 2015 Feb 24;22(2):221-8. Epub 2014 Dec 24.

Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, Texas, USA Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA Department of Medicine, Baylor College of Medicine, Houston, Texas, USA

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http://cvi.asm.org/content/22/2/221.full.pdf
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http://cvi.asm.org/cgi/doi/10.1128/CVI.00516-14
Publisher Site
http://dx.doi.org/10.1128/CVI.00516-14DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4308873PMC
February 2015
23 Reads
9 Citations

Reply to Kirby et al.

J Infect Dis 2015 Jan 10;211(1):167. Epub 2014 Jul 10.

Departments of Medicine Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas.

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http://dx.doi.org/10.1093/infdis/jiu382DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4859318PMC
January 2015
22 Reads
6.000 Impact Factor

Dissecting the cell to nucleus, perinucleus and cytosol.

Sci Rep 2014 May 12;4:4923. Epub 2014 May 12.

Departments of Medicine & Pediatrics G.I. & S.A.H.S. Baylor College of Medicine-McNair Faculty Center A10.019 One Baylor Plaza (GI Medicine MS901), Houston, Texas 77030, USA.

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http://dx.doi.org/10.1038/srep04923DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4017230PMC
May 2014
34 Reads
7 Citations
5.080 Impact Factor

Antibody responses to norovirus genogroup GI.1 and GII.4 proteases in volunteers administered Norwalk virus.

Clin Vaccine Immunol 2012 Dec 3;19(12):1980-3. Epub 2012 Oct 3.

Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA.

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http://dx.doi.org/10.1128/CVI.00411-12DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3535860PMC
December 2012
30 Reads
6 Citations

Poor starch digestion in children with CSID and recurrent abdominal pain.

J Pediatr Gastroenterol Nutr 2012 Nov;55 Suppl 2:S32-4

Department of Pediatrics-Nutrition, and Nutrition and Gastroenterology, Baylor College of Medicine, Houston, TX 77030, USA.

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http://dx.doi.org/10.1097/01.mpg.0000421407.88128.5cDOI Listing
November 2012
9 Reads
1 Citation
2.625 Impact Factor

Congenital sucrase-isomaltase deficiency: summary of an evaluation in one family.

J Pediatr Gastroenterol Nutr 2012 Nov;55 Suppl 2:S36

Department of Pediatrics, Baylor College of Medicine, 6701 Fannin St, Houston, TX 77030, USA.

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http://dx.doi.org/10.1097/01.mpg.0000421409.65257.fcDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4277877PMC
November 2012
16 Reads
2 Citations
2.625 Impact Factor

Serum hemagglutination inhibition activity correlates with protection from gastroenteritis in persons infected with Norwalk virus.

Clin Vaccine Immunol 2012 Feb 21;19(2):284-7. Epub 2011 Dec 21.

Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, Texas, USA.

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http://dx.doi.org/10.1128/CVI.05592-11DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3272916PMC
February 2012
7 Reads
23 Citations

Serological responses to experimental Norwalk virus infection measured using a quantitative duplex time-resolved fluorescence immunoassay.

Clin Vaccine Immunol 2011 Jul 18;18(7):1187-90. Epub 2011 May 18.

Department of Molecular Virology and Microbiology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, USA.

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http://dx.doi.org/10.1128/CVI.00039-11DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3147314PMC
July 2011
5 Reads
12 Citations

Serological correlate of protection against norovirus-induced gastroenteritis.

J Infect Dis 2010 Oct;202(8):1212-8

Departments of Molecular Virology, Baylor College of Medicine, Houston, Texas, USA.

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http://dx.doi.org/10.1086/656364DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2945238PMC
October 2010
40 Reads
81 Citations
6.000 Impact Factor

Dual proton pump inhibitor plus amoxicillin as an empiric anti-H. pylori therapy: studies from the United States.

J Gastroenterol 2010 Aug 2;45(8):816-20. Epub 2010 Mar 2.

Department of Medicine, Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, RM 3A-320 (111D), 2002 Holcombe Boulevard, Houston, TX 77030, USA.

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http://dx.doi.org/10.1007/s00535-010-0220-xDOI Listing
August 2010
47 Reads
9 Citations
4.523 Impact Factor

Rising incidence of inflammatory bowel disease among children: a 12-year study.

J Pediatr Gastroenterol Nutr 2010 Jan;50(1):27-31

Department of Medicine, Baylor College of Medicine, Houston, TX, USA.

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http://dx.doi.org/10.1097/MPG.0b013e3181b99baaDOI Listing
January 2010
49 Reads
40 Citations
2.625 Impact Factor

Sequential and concomitant therapy with four drugs is equally effective for eradication of H pylori infection.

Clin Gastroenterol Hepatol 2010 Jan 3;8(1):36-41.e1. Epub 2009 Oct 3.

Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.

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http://dx.doi.org/10.1016/j.cgh.2009.09.030DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2838430PMC
January 2010
26 Reads
64 Citations
7.900 Impact Factor

13C-breath tests for sucrose digestion in congenital sucrase isomaltase-deficient and sacrosidase-supplemented patients.

J Pediatr Gastroenterol Nutr 2009 Apr;48(4):412-8

US Department of Agriculture Agricultural Research Service, Children's Nutrition Research Center, Departments of Pediatrics-Nutrition, Baylor College of Medicine, Houston, TX 77030, USA.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3955999PMC
http://dx.doi.org/10.1097/mpg.0b013e318180cd09DOI Listing
April 2009
10 Reads
9 Citations
2.625 Impact Factor

Urea breath test in children: the United States prospective, multicenter study.

Helicobacter 2009 Apr;14(2):134-40

Pediatric Gastroenterology, Joan C. Edwards School of Medicine, Marshall University, Huntington, West Virginia 25701, USA.

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http://dx.doi.org/10.1111/j.1523-5378.2009.00670.xDOI Listing
April 2009
7 Reads
6 Citations
4.110 Impact Factor

Norwalk virus shedding after experimental human infection.

Emerg Infect Dis 2008 Oct;14(10):1553-7

Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas 77030, USA.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2609865PMC
http://dx.doi.org/10.3201/eid1410.080117DOI Listing
October 2008
33 Reads
140 Citations
6.751 Impact Factor

Contribution of mucosal maltase-glucoamylase activities to mouse small intestinal starch alpha-glucogenesis.

J Nutr 2007 Jul;137(7):1725-33

CIEP-Facultad de Ciencias Quimicas, Universidad Autonoma de San Luis Potosi, Zona Universitaria, San Luis Potosí, S.L.P., Mexico 78360.

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http://dx.doi.org/10.1093/jn/137.7.1725DOI Listing
July 2007
29 Reads
14 Citations
3.880 Impact Factor

Visualization of the small intestine using capsule endoscopy in healthy subjects.

Dig Dis Sci 2007 Apr 16;52(4):1019-25. Epub 2007 Feb 16.

Department of Medicine, Michael E. DeBakey Veterans Affairs Medical Center, and Baylor College of Medicine, 2002 Holcombe Boulkevard, Houston, TX 77030, USA.

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http://dx.doi.org/10.1007/s10620-006-9558-6DOI Listing
April 2007
46 Reads
9 Citations
2.550 Impact Factor

Two familial cases of high blood galactose of unknown aetiology.

J Inherit Metab Dis 2006 Dec 21;29(6):762. Epub 2006 Sep 21.

Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.

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http://dx.doi.org/10.1007/s10545-006-0405-xDOI Listing
December 2006
11 Reads
3.370 Impact Factor

Problem of distinguishing false-positive tests from acute or transient Helicobacter pylori infections.

Helicobacter 2006 Apr;11(2):69-74

Department of Medicine, Veterans Affairs Medical Center, Houston, Texas 77030, USA.

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http://dx.doi.org/10.1111/j.1523-5378.2006.00380.xDOI Listing
April 2006
7 Reads
6 Citations
4.110 Impact Factor

Noninvasive versus histologic detection of gastric atrophy in a Hispanic population in North America.

Clin Gastroenterol Hepatol 2006 Mar;4(3):306-14

Department of Medicine, Veterans Affairs Medical Center, and Baylor College of Medicine, Houston, Texas, USA.

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http://dx.doi.org/10.1016/j.cgh.2005.11.003DOI Listing
March 2006
7 Reads
17 Citations
7.900 Impact Factor

Improved infrared spectrophotometer for point-of-care patient 13C-urea breath testing in the primary care setting.

Clin Biochem 2005 Aug;38(8):731-4

Baylor College of Medicine, Department of Medicine, Family and Community Medicine, 6550 Fannin Street (SM-1122), Houston, TX 77030-2399, USA.

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http://dx.doi.org/10.1016/j.clinbiochem.2005.05.003DOI Listing
August 2005
13 Reads
4 Citations
2.230 Impact Factor

Practical rapid, minimally invasive, reliable nonendoscopic method to obtain Helicobacter pylori for culture.

Helicobacter 2005 Feb;10(1):1-3

Veterans Affairs Medical Center and Baylor College of Medicine, RM 3A-320 (111D), 2002 Holcombe Boulevard, Houston, TX 77030, USA.

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http://dx.doi.org/10.1111/j.1523-5378.2005.00285.xDOI Listing
February 2005
10 Reads
8 Citations
4.110 Impact Factor

Visible small-intestinal mucosal injury in chronic NSAID users.

Clin Gastroenterol Hepatol 2005 Jan;3(1):55-9

Department of Medicine, VA Medical Center, Room 3A-320 (111D), 2002 Holcombe Boulevard, Houston, Texas 77030, USA.

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http://dx.doi.org/10.1016/s1542-3565(04)00603-2DOI Listing
January 2005
23 Reads
96 Citations
7.900 Impact Factor

False negative urea breath tests with H2-receptor antagonists: interactions between Helicobacter pylori density and pH.

Helicobacter 2004 Feb;9(1):17-27

Department of Medicine, Veterans Affairs Medical Center, Houston, TX 77030, USA.

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http://dx.doi.org/10.1111/j.1083-4389.2004.00191.xDOI Listing
February 2004
12 Reads
7 Citations
4.110 Impact Factor

Studies regarding the mechanism of false negative urea breath tests with proton pump inhibitors.

Am J Gastroenterol 2003 May;98(5):1005-9

Department of Medicine, Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas 77030, USA.

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http://dx.doi.org/10.1111/j.1572-0241.2003.07426.xDOI Listing
May 2003
6 Reads
24 Citations
10.760 Impact Factor

Endoscopic demonstration of transient small bowel intussusception in a patient with adult celiac disease.

Gastrointest Endosc 2003 Apr;57(4):626-7

Department of Medicine, VA Medical Center and Baylor College of Medicine, Houston, Texas 77030, USA.

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http://dx.doi.org/10.1067/mge.2003.152DOI Listing
April 2003
26 Reads
2 Citations
5.370 Impact Factor

Urea breath testing and analysis in the primary care office.

J Fam Pract 2002 Dec;51(12):1030-2

Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA.

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December 2002
21 Reads
1 Citation
0.740 Impact Factor

Effects of sirolimus on plasma lipids, lipoprotein levels, and fatty acid metabolism in renal transplant patients.

J Lipid Res 2002 Aug;43(8):1170-80

The Department of Medicine, Baylor College of Medicine, Houston, Texas, USA.

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http://www.jlr.org/content/43/8/1170.full.pdf
Web Search
August 2002
12 Reads
60 Citations
4.421 Impact Factor

Top co-authors

David Y Graham
David Y Graham

Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine

31
Mary K Estes
Mary K Estes

Baylor College of Medicine

15
Robert L Atmar
Robert L Atmar

Baylor College of Medicine

13
Mark A Gilger
Mark A Gilger

Baylor College of Medicine

9
Frederick H Neill
Frederick H Neill

Baylor College of Medicine

6
Buford L Nichols
Buford L Nichols

Baylor College of Medicine

5
Sue E Crawford
Sue E Crawford

Baylor College of Medicine

5
Claudia C Robayo-Torres
Claudia C Robayo-Torres

Baylor College of Medicine

5
Zhannat Z Nurgalieva
Zhannat Z Nurgalieva

Baylor College of Medicine

4
Sasirekha Ramani
Sasirekha Ramani

Christian Medical College

4