polyphenol effects on osteosarcoma cells

This research project investigates the effects of polyphenolic natural compounds on osteosarcoma cells in vitro, with the aim of systematically characterising their anti-tumour activity and underlying biological mechanisms. Osteosarcoma is an aggressive primary bone malignancy with limited therapeutic advances and significant treatment-related toxicity, highlighting the need for novel, low-toxicity adjunctive strategies. The project focuses on polyphenols, a diverse class of plant-derived bioactive molecules with reported antiproliferative, pro-apoptotic, and anti-migratory properties. Using established osteosarcoma cell lines, published in vitro evidence is examined to evaluate the effects of polyphenols on cell viability, apoptosis, cell cycle regulation, oxidative stress, and metastatic behaviour, as well as their modulation of key signalling pathways involved in tumour progression. Expected outcomes include a structured synthesis of in vitro evidence identifying which polyphenols demonstrate the most consistent anti-osteosarcoma effects, the cellular mechanisms most frequently implicated, and gaps in current experimental designs. The findings aim to inform future preclinical optimisation, support rational combination strategies with existing chemotherapeutics, and guide the translation of promising polyphenolic compounds into further experimental and translational research.