Microscopic bubbles from edible plants may help train the immune system against cancer
Li G, Li M, Liu S, Wei Y, Wang C
Medicinal Plants
The ginger root, grapes and medicinal herbs you grow release nanoscale vesicles that researchers are testing as natural, food-based cancer therapies, which gives a new reason to value edible and medicinal plants in your garden.
Plants shed microscopic bubbles made of fat, and these bubbles carry molecules that can talk to animal and human cells. Scientists are finding that bubbles from edible and medicinal plants can slow tumor growth, rouse immune cells and shift gut bacteria in helpful ways. They could also serve as tiny delivery trucks for drugs, but researchers still need common methods for making and testing them.
Key Findings
Plant-derived extracellular vesicles are nanoscale lipid-bilayer particles found across fruits, roots, stems and leaves, and are especially abundant in edible and medicinal species.
They support anti-tumor immunity through several routes: suppressing tumor cells, stimulating immune cells, delivering drugs, and modulating gut microbiota.
Standardization of isolation and pharmacokinetic profiling remain major barriers, with engineering strategies proposed to improve targeting and efficacy; PDEVs also offer a platform for studying traditional Chinese medicine mechanisms.
chevron_right Technical Summary
Tiny fat-wrapped bubbles released by plant cells, found in fruits, roots, stems and leaves, may help the body fight cancer. This review covers how they form, how they're collected, and how they could carry drugs, wake up immune cells and reshape gut bacteria, though standardization is still a hurdle.
Abstract Preview
Original paper
Plant-Derived Extracellular Vesicles: Biogenesis, Function, and Application in Cancer Immunotherapy.
Plant-derived extracellular vesicles (PDEVs) are nanoscale, lipid bilayer-enclosed vesicles secreted by plant cells. They are widely distributed across plant tissues, including fruits, roots, stems...
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