
Emeran A Mayer MD
Gastrointestinal Functional & Motility Disorders
Professor, Medicine, Physiology & Psychiatry, UCLA School of Medicine
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21448 Entrada RoadTopanga, CA 90290
Phone+1 310-614-5287
Fax+1 310-602-6412
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Summary
- Emeran Mayer, MD, is a gastroenterologist based in Los Angeles, specializing in disorders of altered brain gut interactions and chronic visceral pain. He graduated from the Ludwig Maximilian University of Munich Faculty of Medicine in 1976 and was awarded his MD degree with summa cum laude. He has been a longtime faculty member in the Department of Medicine at UCLA and has extensive experience in the science and practice of complex disorders of altered brain gut microbiome interactions, including IBS, IBD and chronic visceral pain. Mayer has contributed more than 415 notable publications on topics such as brain gut microbiome interactions, the human gut microbiome, irritable bowel syndrome, and dietary impacts on health. He has been involved in several clinical trials investigating visceral sensations, satiety, and pelvic pain. His achievements have been recognized with various honors, including the Janssen Award for Outstanding Achievements in Gastroenterology, the Senior Basic Scientist Award from the International Foundation for Functional GI Disorders and the Distinguished Mentor Award from the American Gastroenterological Association.
Education & Training
- Ludwig Maximilian University of Munich Faculty of MedicineClass of 1976
- Ludwig Maximilian University, University Medical SchoolPh.D., Physiology, Summa Cum Laude, 1976
Certifications & Licensure
- CA State Medical License 1982 - 2026
- WA State Medical License 1982 - 1987
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013
- 2009 Senior Basic Scientist Award International Foundation for Functional GI Disorders (IFFGD), 2009
- Elected to membership American College of Neuropharmacology (ACNP), 2005
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Clinical Trials
- Chronic Pelvic Pain Study of Individuals With Diagnoses or Symptoms of Interstitial Cystitis and/ or Chronic Prostatitis Start of enrollment: 2009 Dec 01
- Observational Study of Control Participants for the MAPP Research Network Start of enrollment: 2009 Dec 01
- Effects of the GLP-1 Exenatide on Satiety in Lean and Obese Women Start of enrollment: 2011 Dec 01
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Publications & Presentations
PubMed
- Mass spectrometric profiling of primary estrogens and estrogen metabolites in human stool and plasma partially elucidates the role of the gut microbiome in estrogen re...Vince W Li, Tien S Dong, Diana Funes, Laura Hernandez, Nicole R Kushnir
Molecular and Cellular Endocrinology. 2025-06-01 - Differential brainstem connectivity according to sex and menopausal status in healthy male and female individuals.Lisa A Kilpatrick, Arpana Church, David Meriwether, Swapna Mahurkar-Joshi, Vince W Li
Biology of Sex Differences. 2025-04-18 - Relationships between brain activity, tryptophan-related gut metabolites, and autism symptomatology.Lisa Aziz-Zadeh, Sofronia M Ringold, Aditya Jayashankar, Emily Kilroy, Christiana Butera
Nature Communications. 2025-04-14
Journal Articles
- Interactions Between Gut Permeability and Brain Structure and Function in Health and Irritable Bowel SyndromeEmeran Mayer, MD, ScienceDirect
- Towards a Systems View of Irritable Bowel Syndrome (Invited review)Mayer EA, Iliopoulos D, Nat Rev Gastro Hepatol, 1/1/2014
- Gut Brain Axis and the Microbiome (Invited review)Mayer EA, J Clin Invest, 1/1/2014
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Press Mentions
- What Does the Latest Science Tell Us About Our Brains, Guts and Mental Health?September 13th, 2022
- Could a High-Fiber Diet Help Boost Cancer Survival?December 27th, 2021
- Are My Stomach Problems Really All in My Head?December 3rd, 2021
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Grant Support
- MAEVE: Microbiota mediated flavonoid metabolites for cognitive healthUNIVERSITY OF CALIFORNIA LOS ANGELES2024–2029
- Sex related differences in Brain Gut Microbiome Interactions in Irritable Bowel SyndromeUNIVERSITY OF CALIFORNIA LOS ANGELES2020–2025
- Perception And Modulation Of Visceral SensationNational Institute Of Diabetes And Digestive And Kidney Diseases2008–2012
- Brain Bladder Interactions In Ic/PbsNational Institute Of Diabetes And Digestive And Kidney Diseases2008–2011
- Center For Neurovisceral Sciences &Women'S HealthNational Institute Of Diabetes And Digestive And Kidney Diseases2007–2011
- Neurobiological Endophenotypes &Gene-Environment Interactions In Ic/Pbs &In ANational Institute Of Diabetes And Digestive And Kidney Diseases2008–2010
- Mind/Brain/Body Interactions In Stress-Related DisordersNational Center For Complementary &Alternative Medicine2004–2008
- Perception And Modulation Of Visceral SensationsNational Institute Of Diabetes And Digestive And Kidney Diseases1996–2007
- An Evaluation Of Neuroendocrine Measures In Women With Diarrhea Predominant INational Center For Research Resources2006
- Women'S Health And Functional Visceral Disorders CenterNational Institute Of Diabetes And Digestive And Kidney Diseases2002–2006
- Peripheral NMDA Receptors In Visceral NociceptionNational Institute Of Diabetes And Digestive And Kidney Diseases2001–2006
- Evaluation Of Neuroendocrine Measures In Women With DNational Center For Research Resources2004
- P1: Sex Differences In Central Stress Circuit Responsiveness In IBS And ICNational Institute Of Diabetes And Digestive And Kidney Diseases2002
- Contraction Coupling In Colonic MuscleNational Institute Of Diabetes And Digestive And Kidney Diseases1994–1998
- Membrane Events--Activating Longitudinal Colonic MuscleNational Institute Of Diabetes And Digestive And Kidney Diseases1991
- Membrane Events--Activating Longitudinal Colonic MuscleNational Institute Of Diabetes And Digestive And Kidney Diseases1989–1990
- Patch Clamp Recording Of Potassium Currents In Isolated Gastric MyocytesNational Center For Research Resources1987–1988
Other Languages
- German
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