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1

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

Mindikoglu, Ayse L., Abdulsada, Mustafa M., Jain, Antrix, Choi, Jong Min, Jalal, Prasun K., Devaraj, Sridevi, Mezzari, Melissa P., Petrosino, Joseph F., Opekun, Antone R., Jung, Sung Yun

Journal:

Journal of Proteomics

Year:

2020

Language:

english

File:

PDF, 3.78 MB

english, 2020

2

Urea Breath Test in Children: The United States Prospective, Multicenter Study

Yoram Elitsur, Vasundhara Tolia, Mark A. Gilger, Jesse Reeves-Garcia, Eberhard Schmidt-Sommerfeld, Antone R. Opekun, Hala El-Zimaity, David Y. Graham, Kyoko Enmei

Journal:

Year:

2009

Language:

english

File:

PDF, 111 KB

english, 2009

3

Congenital Sucrase-Isomaltase Deficiency (CSID) Reduces Starch Digestion

Bruno P. Chumpitazi, Claudia C. Robayo-Torres, Maricela Diaz-Sotomayor, Roberto Quezada-Calvillo, Antone R. Opekun, Buford L. Nichols, Mark A. Gilger

Journal:

Gastroenterology

Year:

2011

Language:

english

File:

PDF, 257 KB

english, 2011

4

CAMPYLOBACTER PYLORI DETECTED NONINVASIVELY BY THE 13C-UREA BREATH TEST

Graham, DavidY., Evans, DoyleJ., Alpert, LesleyC., Klein, PeterD., Evans, DoloresG., Opekun, AntoneR., Boutton, ThomasW.

Journal:

Year:

1987

Language:

english

File:

PDF, 609 KB

english, 1987

5

Demographic and Clinical Correlates of Mucosal Disaccharidase Deficiencies in Children With Functional Dyspepsia

Chumpitazi, Bruno P., Robayo-Torres, Claudia C., Tsai, Cynthia M., Opekun, Antone R., Baker, Susan S., Nichols, Buford L., Gilger, Mark A.

Journal:

Journal of Pediatric Gastroenterology & Nutrition

Year:

2018

Language:

english

File:

PDF, 138 KB

english, 2018

6

Enzyme therapy for functional bowel disease-like post-prandial distress

Graham, David Y., Ketwaroo, Gyanprakash A., Money, Mary E., Opekun, Antone R.

Journal:

Journal of Digestive Diseases

Year:

2018

Language:

english

File:

PDF, 605 KB

english, 2018

7

Intermittent fasting from dawn to sunset for four consecutive weeks induces anticancer serum proteome response and improves metabolic syndrome

Mindikoglu, Ayse L., Abdulsada, Mustafa M., Jain, Antrix, Jalal, Prasun K., Devaraj, Sridevi, Wilhelm, Zoe R., Opekun, Antone R., Jung, Sung Yun

Journal:

Scientific Reports

Year:

2020

File:

PDF, 2.35 MB

2020

8

The Effect of Four-Week Intermittent Fasting from Dawn to Sunset on Circulating Brain-Derived Neurotrophic Factor Levels in Subjects with Metabolic Syndrome and Healthy Subjects

Abdulsada, Mustafa M., Wilhelm, Zoe R., Opekun, Antone R., Devaraj, Sridevi, Jalal, Prasun K., Mindikoglu, Ayse L., M, Margaret, DeBakey, Michael E., Alkek, Albert B.

Journal:

Metabolism Open

Year:

2020

File:

PDF, 4.07 MB

2020

9

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

Antone R. Opekun, Ann B. Gotschall, Nageeb Abdalla, Cornelia Agent, Elizabeth Torres, Fred M. Sutton, David Y. Graham, Kyoko Tsuchiya

Journal:

Clinical Biochemistry

Year:

2005

Language:

english

File:

PDF, 131 KB

english, 2005

10

Lack of dose–response with Pancrease MT for the treatment of exocrine pancreatic insufficiency in adults

A. R. OPEKUN Jr, F. M. SUTTON Jr, D. Y. GRAHAM

Journal:

Alimentary Pharmacology & Therapeutics

Year:

1997

Language:

english

File:

PDF, 236 KB

english, 1997

11

Novel therapies for Helicobacter pylori infection

OPEKUN, EL-ZAIMAITY, OSATO, GILGER, MALATY, TERRY, HEADON, GRAHAM

Journal:

Alimentary Pharmacology & Therapeutics

Year:

1999

Language:

english

File:

PDF, 165 KB

english, 1999

12

Furazolidone combination therapies for Helicobacter pylori infection in the United States

Graham, Osato, Hoffman, Opekun, Anderson, El-Zimaity

Journal:

Alimentary Pharmacology & Therapeutics

Year:

2000

Language:

english

File:

PDF, 60 KB

english, 2000

13

Metronidazole containing quadruple therapy for infection with metronidazole resistant Helicobacter pylori: a prospective study

Graham, Osato, Hoffman, Opekun, Anderson, Kwon, El-Zimaity

Journal:

Alimentary Pharmacology & Therapeutics

Year:

2000

Language:

english

File:

PDF, 68 KB

english, 2000

14

Early events in proton pump inhibitor-associated exacerbation of corpus gastritis

D. Y. Graham, A. R. Opekun, Y. Yamaoka, M. S. Osato, H. M. T. El-Zimaity

Journal:

Alimentary Pharmacology & Therapeutics

Year:

2003

Language:

english

File:

PDF, 198 KB

english, 2003

15

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

David Y. Graham, Syed Ussama Javed, Sara Keihanian, Suhaib Abudayyeh, Antone R. Opekun

Journal:

Journal of Gastroenterology

Year:

2010

Language:

english

File:

PDF, 177 KB

english, 2010

16

Two familial cases of high blood galactose of unknown aetiology

Nicola Brunetti-Pierri, Antone R. Opekun, William J. Craigen

Journal:

Journal of Inherited Metabolic Disease

Year:

2006

Language:

english

File:

PDF, 128 KB

english, 2006

17

Visualization of the Small Intestine Using Capsule Endoscopy in Healthy Subjects

Akiko Shiotani, Antone R. Opekun, David Y. Graham

Journal:

Digestive Diseases and Sciences

Year:

2007

Language:

english

File:

PDF, 264 KB

english, 2007

18

Novel bismuth–metronidazole–tetracycline triple-layer tablet for treatment of Helicobacter pylori

D. Y. Graham, A. R. Opekun, G. Belson, H. M. T. El-Zimaity, M. R. Carlson

Journal:

Alimentary Pharmacology & Therapeutics

Year:

2005

Language:

english

File:

PDF, 57 KB

english, 2005

19

Effect of different organic acids (citric, malic and ascorbic) on intragastric urease activity

A. Agha, A. R. Opekun, S. Abudayyeh, D. Y. Graham

Journal:

Alimentary Pharmacology & Therapeutics

Year:

2005

Language:

english

File:

PDF, 83 KB

english, 2005

20

Rabeprazole containing triple therapy to eradicate Helicobacter pylori infection on the Texas-Mexican border

V. M. CARDENAS, D. Y. GRAHAM, H. M. T. EL-ZIMAITY, A. R. OPEKUN, A. CAMPOS, A. CHAVEZ, L. GUERRERO

Journal:

Alimentary Pharmacology & Therapeutics

Year:

2006

Language:

english

File:

PDF, 87 KB

english, 2006

21

Sequential therapy using high-dose esomeprazole-amoxicillin followed by gatifloxacin for Helicobacter pylori infection

D. Y. GRAHAM, S. ABUDAYYEH, H. M. T. EL-ZIMAITY, J. HOFFMAN, R. REDDY, A. R. OPEKUN

Journal:

Alimentary Pharmacology & Therapeutics

Year:

2006

Language:

english

File:

PDF, 465 KB

english, 2006

22

Immunoprotective oral whole cell vaccine for enterotoxigenic Escherichia coli diarrhea prepared by in situ destruction of chromosomal and plasmid DNA with colicin E2

Doyle J. Evans Jr., Dolores G. Evans, Antone R. Opekun, David Y. Graham

Journal:

FEMS Microbiology Letters

Year:

1988

Language:

english

File:

PDF, 749 KB

english, 1988

23

Non-replicating oral whole cell vaccine protective against enterotoxigenic Escherichia coli (ETEC) diarrhea: Stimulation of anti-CFA (CFA/I) and anti-enterotoxin (anti-LT) intestinal IgA and protection against challenge with ETEC belonging to heterologous serotypes

Dolores G. Evans, Doyle J. Evans Jr., Antone R. Opekun, David Y. Graham

Journal:

FEMS Microbiology Letters

Year:

1988

Language:

english

File:

PDF, 659 KB

english, 1988

24

False Negative Urea Breath Tests with H2-Receptor Antagonists: Interactions Between Helicobacter pylori Density and pH

David Y. Graham, Antone R. Opekun, Medhavi Jogi, Yoshio Yamaoka, Hong Lu, Rita Reddy, Hala M.T. El-Zimaity

Journal:

Year:

2004

Language:

english

File:

PDF, 172 KB

english, 2004

25

Practical Rapid, Minimally Invasive, Reliable Nonendoscopic Method to Obtain Helicobacter pylori for Culture

David Y. Graham, Mayumi Kudo, Rita Reddy, Antone R. Opekun

Journal:

Year:

2005

Language:

english

File:

PDF, 78 KB

english, 2005

26

Effect of the Carbonic Anhydrase Inhibitor, Acetazolamide, on Helicobacter pylori Infection in vivo: A Pilot Study

Rassa Shahidzadeh, Antone Opekun, Akiko Shiotani, David Y. Graham

Journal:

Year:

2005

Language:

english

File:

PDF, 75 KB

english, 2005

27

Problem of Distinguishing False-Positive Tests from Acute or Transient Helicobacter pylori Infections

Zhannat Z. Nugalieva, Antone R. Opekun, David Y. Graham

Journal:

Year:

2006

Language:

english

File:

PDF, 102 KB

english, 2006

28

Genome-wide peripheral blood leukocyte DNA methylation microarrays identified a single association with inflammatory bowel diseases

R. Alan Harris, Dorottya Nagy-Szakal, Natalia Pedersen, Antone Opekun, Jiri Bronsky, Pia Munkholm, Cathrine Jespersgaard, PaalSkytt Andersen, Bela Melegh, George Ferry, Tine Jess, Richard Kellermayer

Journal:

Inflammatory Bowel Diseases

Year:

2012

Language:

english

File:

PDF, 872 KB

english, 2012

29

Antimony electrodes forin vivopH monitoring

Antone R. Opekun, David Y. Graham

Journal:

Digestive Diseases and Sciences

Year:

1991

Language:

english

File:

PDF, 129 KB

english, 1991

30

Antimony electrodes

Antone R. Opekun, J. Lacey Smith, David Y. Graham

Journal:

Digestive Diseases and Sciences

Year:

1990

Language:

english

File:

PDF, 991 KB

english, 1990

31

[13C]Aminopyrine breath test detects altered liver metabolism caused by low-dose oral contraceptives

Antone R. Opekun, Peter D. Klein, David Y. Graham

Journal:

Digestive Diseases and Sciences

Year:

1995

Language:

english

File:

PDF, 769 KB

english, 1995

32

Evidence of SV40 infections in hospitalized children

Janet S Butel, Sanjeeda Jafar, Connie Wong, Amy S Arrington, Antone R Opekun, Milton J Finegold, Ervin Adam

Journal:

Human Pathology

Year:

1999

Language:

english

File:

PDF, 1.43 MB

english, 1999

33

Recombinant Norwalk virus–like particles given orally to volunteers: Phase I study

Judith M. Ball*, David Y. Graham*, ‡, Antone R. Opekun‡, §, Mark A. Gilger§, Roberto A. Guerrero§, Mary K. Estes*, ‡

Journal:

Gastroenterology

Year:

1999

Language:

english

File:

PDF, 65 KB

english, 1999

34

Point-of-care Helicobacter pylori urine antibody detection in a multi-ethnic adult population in the United States

Antone R. Opekun, Phong Luu, Ann B. Gotschall, Nageeb Abdalla, Elizabeth Torres, Summer B. Rudd, David Y. Graham, Zhannat Z. Nurgalieva, Kyoko Tsuchiya

Journal:

Translational Research

Year:

2006

Language:

english

File:

PDF, 133 KB

english, 2006

35

Mechanisms of proton pump inhibitor therapy enhanced H. pylori-induced corpus inflammation

David Y Graham, Antone R Opekun, Michael S Osato, Yoshio Yamaoka, Hala M.T. El-Zimaity

Journal:

American Journal of Gastroenterology

Year:

2002

Language:

english

File:

PDF, 27 KB

english, 2002

36

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

David Y Graham, Antone R Opekun, Fadi Hammoud, Yoshio Yamaoka, Rita Reddy, Michael S Osato, Hala M.T El-Zimaity

Journal:

American Journal of Gastroenterology

Year:

2003

Language:

english

File:

PDF, 143 KB

english, 2003

37

A controlled study of NSAID-induced small bowel injury using video capsule endoscopy

David Y. Graham, Waqar A. Qureshi, Field Willingham, Rhonda A. Cole, Antone R. Opekun

Journal:

Gastroenterology

Year:

2003

Language:

english

File:

PDF, 175 KB

english, 2003

38

Required duration of stopping H2-receptor antagonists before reliable 13C-urea breath testing

David Y. Graham, Antone R. Opekun, Medhavi Joji, Rita Reddy, Hala M.T. El-Zimaity

Journal:

Gastroenterology

Year:

2003

Language:

english

File:

PDF, 155 KB

english, 2003

39

137 Randomized Controlled Comparison of Sequential and Quadruple (Concomitant) Therapies for H. pylori Infection

Deng-Chyang Wu, Ping-I Hsu, Jeng-Yih Wu, Antone R. Opekun, David Y. Graham

Journal:

Gastroenterology

Year:

2008

Language:

english

File:

PDF, 85 KB

english, 2008

40

Humoral immune response to experimental Helicobacter pylori infection in humans

Zhannat Z. Nurgalieva, Margaret E. Conner, Antone R. Opekun, Michael S. Osato, David Y. Graham

Journal:

Gastroenterology

Year:

2001

Language:

english

File:

PDF, 188 KB

english, 2001

41

954 Carbohydrate Digestion in Congenital Sucrase Isomaltase Deficient and Recurrent Abdominal Pain Children Assesed by 13C- Starch Breath Test

Claudia C. Robayo-Torres, Antone R. Opekun, Roberto Quezada-Calvillo, Maricela Diaz-Sotomayor, Susan S. Baker, Buford L. Nichols

Journal:

Gastroenterology

Year:

2010

Language:

english

File:

PDF, 47 KB

english, 2010

42

Helicobacter pylori in the drinking water in Peru

K Hulten, SW Han, H Enroth, PD Klein, AR Opekun, RH Gilman, DG Evans, L Engstrand, DY Graham, FA El-Zaatari

Journal:

Gastroenterology

Year:

1996

Language:

english

File:

PDF, 253 KB

english, 1996

43

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

Field F. Willingham, Antone R. Opekun, David Y. Graham

Journal:

Gastrointestinal Endoscopy

Year:

2003

Language:

english

File:

PDF, 1.91 MB

english, 2003

44

Norovirus Vaccine against Experimental Human Norwalk Virus Illness

Atmar, Robert L., Bernstein, David I., Harro, Clayton D., Al-Ibrahim, Mohamed S., Chen, Wilbur H., Ferreira, Jennifer, Estes, Mary K., Graham, David Y., Opekun, Antone R., Richardson, Charles, Mendelm

Journal:

Boston Medical and Surgical Journal

Year:

2011

Language:

english

File:

PDF, 485 KB

english, 2011

45

Determination of the 50% Human Infectious Dose for Norwalk Virus

Atmar, R. L., Opekun, A. R., Gilger, M. A., Estes, M. K., Crawford, S. E., Neill, F. H., Ramani, S., Hill, H., Ferreira, J., Graham, D. Y.

Journal:

The Journal of Infectious Diseases

Year:

2014

Language:

english

File:

PDF, 139 KB

english, 2014

46

Sequential and Concomitant Therapy With Four Drugs Is Equally Effective for Eradication of H pylori Infection

D. Wu, P. Hsu, J. Wu, A. R. Opekun, C. Kuo, I. Wu, S. S. Wang, A. Chen, W. Hung, D. Y. Graham

Journal:

Clinical Gastroenterology and Hepatology

Year:

2010

Language:

english

File:

PDF, 455 KB

english, 2010

47

Randomized trial to evaluate nutritional status and absorption of enteral feeding after brain death

Hergenroeder, Georgene, Ward, Norman, Yu, Xiaoying, Opekun, Antone, Moore, Anthony, Kozinetz, Claudia, Powner, David

Journal:

Progress in Transplantation

Year:

2013

Language:

english

File:

PDF, 53 KB

english, 2013

48

Noninvasive Versus Histologic Detection of Gastric Atrophy in a Hispanic Population in North America

Graham, David Y., Nurgalieva, Zhannat Z., El-Zimaity, Hala M.T., Opekun, Antone R., Campos, Armando, Guerrero, Leoncio, Chavez, Alfredo, Cardenas, Victor

Journal:

Clinical Gastroenterology and Hepatology

Year:

2006

Language:

english

File:

PDF, 259 KB

english, 2006

49

Su1888 Mucosal Sucrase Activity Is Diminished Following Bariatric Roux-en-Y Surgery

Opekun, Antone R., Fracolli, Katie, Brandt, Mary L., Sherman, Vadim, Hernandez, Karol, Chumpitazi, Bruno P.

Journal:

Gastroenterology

Year:

2014

Language:

english

File:

PDF, 528 KB

english, 2014

50

Sa1176 Sucrase-Insufficiency-Related Irritable Bowel Syndrome

Opekun, Antone R., Balesh, Albert M., Hernandez, Karol, Shelby, Harold T., Graham, David Y.

Journal:

Gastroenterology

Year:

2014

Language:

english

File:

PDF, 183 KB

english, 2014

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