UNLV postdoctoral fellow Sujan Chatterjee.
Photo Credit: Josh Hawkins/UNLV
Scientific Frontline: Extended "At a Glance" Summary: Phytic Acid and Intestinal Barrier Function
The Core Concept: Leaky gut occurs when the intestinal lining deteriorates, allowing harmful bacterial antigens to enter the bloodstream. Researchers have discovered that phytic acid (InsP6)—a natural compound found in grains, beans, and seeds—acts as a biologically active molecule to maintain and repair this critical intestinal barrier.
Key Distinction/Mechanism: The integrity of the gut lining is regulated by a cellular gatekeeper protein called histone deacetylase 3 (HDAC3). When HDAC3 malfunctions, inflammatory genes trigger the breakdown of the gut barrier; however, phytic acid directly activates HDAC3, reversing the breakdown and protecting the gut from within.
Major Frameworks/Components:
- Phytic Acid (InsP6): A dietary compound operating as an active molecular regulator.
- Histone Deacetylase 3 (HDAC3): The primary epigenetic protein that controls the genes responsible for maintaining intestinal strength.
- Epigenetic Axis Regulation: The molecular interaction between nutrition (phytic acid) and gene expression (HDAC3) that governs gut health.
Branch of Science: Cellular Biology, Molecular Biology, Epigenetics, Gastroenterology, and Nutrition Science.
Future Application: The discovery paves the way for targeted medical formulations and supplements designed to repair the gut barrier. It holds immense potential for developing safer, natural therapies to treat Inflammatory Bowel Disease (IBD) without relying solely on dietary changes.
Why It Matters: A compromised intestinal barrier is a defining feature of IBD and is heavily linked to chronic conditions like diabetes, fatty liver disease, and autoimmune disorders. Understanding how to reverse this damage molecularly represents a monumental shift toward treatments sitting at the intersection of nutrition, metabolism, and epigenetics.
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| Prasun Guha (left) and Sujan Chatterjee (right) Photo Credit: Josh Hawkins/UNLV |
Many people have probably heard of “leaky gut,” which occurs when the intestinal lining breaks down, allowing harmful gut bacterial antigens to slip into the bloodstream alongside nutrients. This breach in the gut’s protective barrier is more than a digestive issue—it is a sign of inflammatory bowel disease (IBD) and has been increasingly linked to chronic conditions ranging from diabetes to fatty liver disease, neurodegeneration, and autoimmune disorders.
A team of researchers working in the lab of UNLV cellular biologist Prasun Guha has uncovered a key mechanism underlying leaky gut and identified a promising, natural way to repair it. Notably, the potential solution is already present in many of the foods we eat every day.
In a study published on May 28 in the journal Nature Communications, the team details how phytic acid (or InsP6), a natural compound found in whole grains, beans, lentils, nuts, and seeds, plays an important role in maintaining the integrity of the intestinal barrier.
“Phytic acid is something many people already consume daily, especially in plant-rich diets,” said Sujan Chatterjee, a UNLV postdoctoral fellow and lead author of the study. “What’s exciting is that it is beyond just a dietary component; it also functions as a biologically active molecule that supports gut health.”
At the center of this discovery is a cellular regulator called histone deacetylase 3 (HDAC3). This protein acts as a gatekeeper, controlling genes that maintain the strength and function of the gut lining.
“When HDAC3 stops working properly, harmful genes are activated, leading to the breakdown of the gut barrier and increased inflammation,” said Guha. “We found that phytic acid directly activates HDAC3 and is necessary for its proper function, essentially protecting the gut from within.”
Because leaky gut is a defining feature of IBD, these findings carry important clinical implications. The study reveals how intestinal barrier breakdown occurs at a molecular level and demonstrates that it can be reversed.
Guha emphasized that while more research is needed, this work opens the door to a potential new class of therapies that are safer, more natural, and focused on restoring the body’s own protective systems.
“The future of medicine may lie at the intersection of nutrition, metabolism, and epigenetics,” Guha said.
It is not as simple as exclusively adopting a plant-based diet, however, as diet alone may be insufficient. “To achieve consistent therapeutic effects, we will likely need targeted supplementation or medical formulations,” Guha said. “Factors like absorption, metabolism, and disease state vary widely between individuals.”
Published in journal: Nature Communications
Title: Phytic acid (InsP6) activates HDAC3 epigenetic axis to maintain intestinal barrier function
Authors: Sujan Chatterjee, Zachary Sin, Nguyen Tran, Loretta Vierra, Anuj Shukla, Tam Tran, George Koshkaryan, Kevin Ritter, Xue Bessie Su, Saharat Jolak Ragsac, Seungman Park, Qian Liu, Richard Van, Katherine Huang, Kayci Huff-Hardy, Richard Rood, Anas Gremida, Martin Gregory, Chien-Huan Chen, Mira V. Han, Parakkal Deepak, Adolfo Saiardi, Henning J. Jessen, and Prasun Guha
Source/Credit: University of Nevada, Las Vegas | Erica Corliss, and Tony Allen
Edited by: Scientific Frontline
Reference Number: cbio052826_01
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