Gastroenterology, Hepatology
& Nutrition
More About Our Division Welcome to the Division of Gastroenterology, Hepatology and Nutrition
Welcome! Our division brings together an exceptional group of clinicians, scientists, educators, and trainees who share a passion for advancing the care of children with gastrointestinal, liver, pancreatic, and nutritional disorders. This is an exciting era in pediatric gastroenterology. Breakthroughs in genomics, microbiome science, immunology, and regenerative medicine are transforming how we understand and treat childhood diseases. Our faculty are at the forefront of these discoveries, leading innovative research that is changing clinical practice and opening new doors for therapies.
We are proud of the collaborative, supportive community we have built here—one that values discovery, education, and impact. We invite you to learn more about our division.
D. Brent Polk, MD
Division Chief
Gastroenterology, Hepatology and Nutrition
Current Research
NLRP3 activation in neutrophils induces lethal autoinflammation, liver inflammation, and fibrosis
January 2024
Withdrawal of Immunomodulators or TNF Antagonists in Patients With Inflammatory Bowel Diseases in Remission on Combination Therapy: A Systematic Review and Meta-analysis
January 2024
Long-term mortality and extrahepatic outcomes in 1096 children with MASLD: A retrospective cohort study.
April 2025
Dr. Jeannie Huang Interview - Bowel Sounds podcast episode
Bowel Sounds Podcast Buzzsprout page, also available on Apple and Spotify. Dr. Amber Hildreth is an official co-host! https://naspghan.buzzsprout.com/