Effect of plant sterols on intestinal health: a comprehensive review of biological activity in targeting cancer and inflammation pathways.
Makran M, Garcia-Llatas G, Cilla A
Plant Bioactives
Vegetables, nuts, seeds, and whole grains you already grow and eat are packed with plant sterols — meaning your garden-to-table choices may be doing more to protect your gut than previously understood.
Plants produce waxy compounds called sterols that, when you eat them, appear to help your body fight off colon cancer and calm gut inflammation. These compounds seem smart enough to attack harmful cells while leaving healthy ones alone, and they may even reshape the bacteria living in your gut in beneficial ways. The research so far looks promising, though most studies have been done in lab dishes and animals — we still need human trials to confirm these effects.
Key Findings
Plant sterols selectively inhibit cancer cell proliferation and trigger programmed cell death (apoptosis) without harming normal healthy cells, based on evidence from 58 reviewed studies.
Plant sterols reduce intestinal inflammation by blocking NF-κB and MAPK signaling pathways, lowering oxidative stress markers and strengthening the gut barrier.
Plant sterols alter the composition of gut microbiota and are metabolized by gut bacteria into antiproliferative compounds, suggesting a two-stage mechanism of cancer protection.
chevron_right Technical Summary
A systematic review of 58 studies finds that plant sterols — natural compounds abundant in plant-based foods — can selectively kill colon cancer cells and reduce gut inflammation without harming healthy cells, pointing to their potential as a dietary strategy against colorectal cancer and inflammatory bowel disease.
Abstract Preview
The rising prevalence of chronic non-communicable diseases has driven interest in novel therapeutic adjuvant strategies, including dietary bioactive compounds like plant sterols (PS). This review e...
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