PubMed · 2026-05-15
Researchers have mapped how complex sugar molecules from plants, mushrooms, seaweeds, and bacteria each fight liver cancer through distinct structural mechanisms — and shown that tweaking a molecule's shape, charge, or branching pattern can be used to engineer safer, more targeted cancer therapies.
Five structurally distinct polysaccharide classes (plant, fungal, algal, animal, bacterial) each engage separate cancer-killing pathways — from immune activation via Toll-like and Dectin-1 receptors to mitochondrial collapse driven by charge and topology.
Specific structural features — monosaccharide composition, linkage type, branching pattern, molecular weight, and charge density — are the direct determinants of receptor recognition, intracellular trafficking, and anti-tumor signaling.
Advances in glycomics, chemical derivatization, and nanocarrier engineering now allow predictive, reproducible design of polysaccharide-based therapeutics with reduced toxicity compared to conventional chemotherapy.