Pomegranate root compound shields the gut from alcohol damage
Wang SY, Liu M, Li XQ, Wang HY, Wu GL
Medicinal Plants
The pomegranate tree many gardeners grow for its fruit also carries this protective compound in its roots, a reminder that a plant's medicinal value can live in parts we usually ignore.
Scientists found that a natural compound called pelletierine, pulled from the bark of pomegranate roots, protected mice from the gut damage caused by heavy alcohol use. It worked by calming down an overactive stress signal inside cells, stopping a harmful type of cell death, and helping cells clean out damaged mitochondria properly. The result is a plant compound that could one day become a treatment for alcohol-related gut problems.
Key Findings
Pelletierine (PEL) dose-dependently reduced alcohol-induced intestinal injury in mice over a 28-day ethanol liquid diet model, improving tissue structure, gut permeability, and tight junction proteins.
PEL binds LOXL2 and suppresses cGAS-STING signaling in a LOXL2-dependent manner, confirmed via CETSA, SPR, and LOXL2 knockdown/knockout experiments.
PEL reversed alcohol-induced ferroptosis (upregulating GPX4, downregulating ACSL4) and restored mitophagy via the PINK1-Parkin pathway.
chevron_right Technical Summary
A compound from pomegranate root bark protected mice from alcohol-induced gut damage by blocking a cell-stress pathway, restoring healthy cell recycling, and preventing a destructive form of cell death. The finding points to pomegranate-derived compounds as a possible future treatment for alcohol-related gut injury.
Abstract Preview
Original paper
Pelletierine alleviates alcohol-induced intestinal injury: mediating LOXL2-dependent cGAS-STING signalling in ferroptosis and mitophagy.
Punica granatum L. (pomegranate), a traditional Chinese medicinal plant, has long been used in ethnic medical systems for the treatment of gastrointestinal disorders. Pelletierine (PEL), a piperidi...
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The pomegranate is a fruit-bearing, deciduous shrub in the family Lythraceae, subfamily Punicoideae, that grows to between 1.5–5 metres (5–16 ft) tall. Rich in symbolic and mythological associations in many cultures, it originated in the region spanning the Caucasus and the Iranian plateau — incl...