MarkPimentelMD

PubMed

• Characterization of the Small Bowel Microbiome Reveals Different Profiles in Human Subjects who are Overweight or have Obesity.
  Gabriela Leite, Gillian M Barlow, Mohamad Rashid, Ava Hosseini, Daniel Cohrs, Gonzalo Parodi, Walter Morales, Stacy Weitsman, Ali Rezaie, Mark Pimentel, Ruchi Mathur> ;The American Journal of Gastroenterology. 2024 Apr 8
• Symptomatic Response to Antibiotics in Patients With Small Intestinal Bacterial Overgrowth: A Systematic Review and Meta-analysis.
  Wang, J., Takakura, W., Rezaie, A., Chey, W., Pimentel, M.> ;Journal of Neurogastroenterology and Motility. 2024 Jan 30
• 1 citations
  Hydrogen Sulfide Producers Drive a Diarrhea-Like Phenotype and a Methane Producer Drives a Constipation-Like Phenotype in Animal Models.
  Villanueva-Millan, M., Leite, G., Morales, W., Sanchez, M., Parodi, G., Weitsman, S., Celly, S., Cohrs, D., Do, H., Barlow, G., Mathur, R., Rezaie, A., Pimentel, M.> ;Digestive Diseases and Sciences. 2024 Feb 1
• 1 citations
  Coronavirus Disease 2019 (COVID-19) Pandemic Lifestyle Changes May Have Influenced Small Bowel Microbial Composition and Microbial Resistance.
  Ava Hosseini, Mohamad Rashid, Gabriela Leite, Gillian M Barlow, Gonzalo Parodi, Maritza Sanchez, Sarah Ayyad, Maya L Pimentel, Walter Morales, Stacy Weitsman, Mark Pim...> ;Digestive Diseases and Sciences. 2023 Oct 1
• 4 citations
  Defining Small Intestinal Bacterial Overgrowth by Culture and High Throughput Sequencing.
  Gabriela Leite, Ali Rezaie, Ruchi Mathur, Gillian M Barlow, Mohamad Rashid, Ava Hosseini, Jiajing Wang, Gonzalo Parodi, Maria Jesus Villanueva-Millan, Maritza Sanchez,...> ;Clinical Gastroenterology and Hepatology. 2024 Feb 1
• 1 citations
  Interleukin-10 Knockout Mice Do Not Reliably Exhibit Macroscopic Inflammation: A Natural History Endoscopic Surveillance Study.
  Seung Young Kim, Jae Ho Park, Gabriela Leite, Mark Pimentel, Ali Rezaie> ;Digestive Diseases and Sciences. 2023 May 1
• 2 citations
  Irritable Bowel Syndrome Is Not Associated with an Increased Risk of Polyps and Colorectal Cancer: A Systematic Review and Meta-Analysis.
  Theodoros Vichos, Ali Rezaie, Petros Vichos, Brooks Cash, Mark Pimentel> ;Digestive Diseases and Sciences. 2023 Jun 1
• 1 citations
  Safety and Tolerability of High-Resolution Esophageal Manometry in Children and Adults.
  Janice E Oh, Lizhou Huang, Will Takakura, Kevin Khuu, Jiajing Wang, Edward Kowalewski, Shao-Chi Huang, Bianca Chang, Mark Pimentel, Ali Rezaie> ;Clinical and Translational Gastroenterology. 2023 May 1
• 12 citations
  Bile Acid and Gut Microbiota in Irritable Bowel Syndrome.
  Yang Won Min, Ali Rezaie, Mark Pimentel> ;Journal of Neurogastroenterology and Motility. 2022 Oct 30
• 25 citations
  Methanogens and Hydrogen Sulfide Producing Bacteria Guide Distinct Gut Microbe Profiles and Irritable Bowel Syndrome Subtypes.
  Maria J Villanueva-Millan, Gabriela Leite, Jiajing Wang, Walter Morales, Gonzalo Parodi, Maya L Pimentel, Gillian M Barlow, Ruchi Mathur, Ali Rezaie, Maritza Sanchez, ...> ;The American Journal of Gastroenterology. 2022 Dec 1
• 4 citations
  Small Intestine Bacterial Overgrowth Can Form an Indigenous Proinflammatory Environment in the Duodenum: A Prospective Study.
  Evripidis Rizos, Emmanouel Pyleris, Mark Pimentel, Konstantinos Triantafyllou, Evangelos J Giamarellos-Bourboulis> ;Microorganisms. 2022 May 2
• 10 citations
  Smoking has disruptive effects on the small bowel luminal microbiome.
  Gabriela Leite, Gillian M Barlow, Ava Hosseini, Gonzalo Parodi, Maya L Pimentel, Jiajing Wang, Alyson Fiorentino, Ali Rezaie, Mark Pimentel, Ruchi Mathur> ;Scientific Reports. 2022 Apr 14
• 5 citations
  A Smartphone Application Using Artificial Intelligence Is Superior To Subject Self-Reporting When Assessing Stool Form.
  Mark Pimentel, Ruchi Mathur, Jiajing Wang, Christine Chang, Ava Hosseini, Alyson Fiorentino, Mohamad Rashid, Nipaporn Pichetshote, Benjamin Basseri, Leo Treyzon, Bianc...> ;The American Journal of Gastroenterology. 2022 Jul 1
• 12 citations
  A Single Fasting Exhaled Methane Level Correlates With Fecal Methanogen Load, Clinical Symptoms and Accurately Detects Intestinal Methanogen Overgrowth.
  Will Takakura, Mark Pimentel, Satish Rao, Maria Jesus Villanueva-Millan, Christine Chang, Walter Morales, Maritza Sanchez, John Torosyan, Mohamad Rashid, Ava Hosseini,...> ;The American Journal of Gastroenterology. 2022 Mar 1
• 8 citations
  Duodenal microbiome changes in postmenopausal women: effects of hormone therapy and implications for cardiovascular risk.
  Gabriela Leite, Gillian M Barlow, Gonzalo Parodi, Maya L Pimentel, Christine Chang, Ava Hosseini, Jiajing Wang, Mark Pimentel, Ruchi Mathur> ;Menopause. 2022 Jan 24
• 2 citations
  The small bowel microbiome changes significantly with age and aspects of the ageing process.
  Gabriela Leite, Mark Pimentel, Gillian M Barlow, Ruchi Mathur> ;Microbial Cell. 2022 Jan 3
• 2 citations
  The Response of the Rodent Gut Microbiome to Broad-Spectrum Antibiotics Is Different in Males and Females.
  Gonzalo Parodi, Gabriela Leite, Maya L Pimentel, Gillian M Barlow, Alyson Fiorentino, Walter Morales, Mark Pimentel, Stacy Weitsman, Ruchi Mathur> ;Frontiers in Microbiology. 2022 Jan 1
• Ultraviolet-A light increases mitochondrial anti-viral signaling protein in confluent human tracheal cells via cell-cell signaling.
  Gabriela Leite, Ali Rezaie, Ruchi Mathur, Gillian M. Barlow, Gil Y. Melmed, Mark Pimentel> ;Journal of Photochemistry and Photobiology. B, Biology. 2022 Jan 1
• 4 citations
  Editorial: The methane moment - Cross-boundary significance of methanogens: Preface.
  Zhe Lyu, Amelia-Elena Rotaru, Mark Pimentel, Cui-Jing Zhang, Simon K-M R Rittmann> ;Frontiers in Microbiology. 2022 Jan 1
• 24 citations
  Quantitative sequencing clarifies the role of disruptor taxa, oral microbiota, and strict anaerobes in the human small-intestine microbiome
  Jacob T. Barlow, Gabriela Leite, Anna E. Romano, Rashin Sedighi, Christine Chang, Shreya Celly, Ali Rezaie, Ruchi Mathur, Mark Pimentel, Rustem F. Ismagilov> ;Microbiome. 2021 Nov 2
• 53 citations
  Age and the aging process significantly alter the small bowel microbiome.
  Gabriela Leite, Mark Pimentel, Gillian M. Barlow, Christine Chang, Ava Hosseini, Jiajing Wang, Gonzalo Parodi, Rashin Sedighi, Ali Rezaie, Ruchi Mathur> ;Cell Reports. 2021 Sep 28
• 1 citations
  Ultraviolet-A light reduces cellular cytokine release from human endotracheal cells infected with Coronavirus.
  Gabriela Leite, Mark Pimentel, Ruchi Mathur, Gillian M. Barlow, Yin Chan, Gil Y. Melmed, Ali Rezaie> ;Photodiagnosis and Photodynamic Therapy. 2021 Jul 24
• 2 citations
  Endotracheal Application of Ultraviolet A Light in Critically Ill Patients with Severe Acute Respiratory Syndrome Coronavirus 2: A First-in-Human Study.
  Ali Rezaie, Gil Y. Melmed, Gabriela Leite, Ruchi Mathur, Will Takakura, Isabel Pedraza, Michael I. Lewis, Rekha Murthy, George Chaux, Mark Pimentel> ;Advances in Therapy. 2021 Jun 26
• 18 citations
  Effects of Proton Pump Inhibitors on the Small Bowel and Stool Microbiomes
  Stacy Weitsman, Shreya Celly, Gabriela Leite, Ruchi Mathur, Rashin Sedighi, Gillian M. Barlow, Walter Morales, Maritza Sanchez, Gonzalo Parodi, Maria Jesus Villanueva-...> ;Digestive Diseases and Sciences. 2021 Feb 3
• 6 citations
  Irritable Bowel Syndrome in Pregnancy.
  Sarvee Moosavi, Mark Pimentel, Melissa S. Wong, Ali Rezaie> ;The American Journal of Gastroenterology. 2021 Mar 1
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Journal Articles

• Declining Rates of Referral for Irritable Bowel Syndrome Without Constipation at a Tertiary Care Center  
  Nipaporn Pichetshote, Vartan C Tashjian, Mark Pimentel, Ali Rezaie, Ruchi Mathur, Digestive Diseases and Sciences

Lectures

• Influence of Dietary Restriction on Irritable Bowel Syndrome 
  Los Angeles, CA - 6/15/2014
• Breath Testing 
  AGC 2018 Annual Scientific Meeting, Philadelphia, PA - 10/8/2018
• Case-Based Functional GI Testing: Ask the Experts 
  AGC 2018 Annual Scientific Meeting, Philadelphia, PA - 10/8/2018