Yam gel and licorice compound repair worn-out spinal discs in goats
Ma L, Hu Y, Wang Y, Wang H, Wang C
Medicinal Plants
The yam vine climbing your trellis and the licorice root steeping in your tea both contain compounds now shown to rebuild a shock-absorbing tissue that wears out with age, proof that garden and pantry plants keep turning up in unexpected corners of medicine.
Researchers made a squishy, sponge-like gel from yam starch and combined it with a licorice plant compound called isoliquiritigenin, packed inside tiny iron-based particles that mop up cell-damaging molecules. When implanted into degenerated spinal discs in rats and goats, this yam-and-licorice patch calmed inflammation, stopped cells from aging prematurely, and helped the disc rebuild its cushiony structure.
Key Findings
The isoliquiritigenin-loaded nanoparticle treatment cut inflammatory markers (TNF-alpha, IL-1beta) and degradation enzymes (MMP9, MMP13) while lowering senescence markers P16 and P21 in disc cells
Treatment boosted matrix-building proteins ACAN and COL-II and reduced the number of aging (SA-beta-gal-positive) cells and apoptosis
In goats, a large-animal model with high mechanical stress on the spine, the yam-hydrogel disc preserved disc height and suppressed matrix-degrading enzymes over time
chevron_right Technical Summary
Scientists built an artificial spinal disc using a yam-derived gel and a licorice plant compound that calms inflammation and aging in cells, and it successfully repaired degenerated discs in goats, a close model for human backs.
Abstract Preview
Original paper
From plant to prosthesis: An engineered biomimetic disc repairs senescence-associated intervertebral disc degeneration in goats.
Intervertebral disc degeneration (IVDD) is a multifactorial process driven by oxidative stress, inflammation, and cellular senescence, ultimately leading to disc destruction and functional loss. Cu...
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Yam is the common name for some plant species in the genus Dioscorea that form edible tubers.