Active Bones, Joints & Muscles

The impact of dietary bioactives on Osteoarthritis during menopause

In plain English

AI plain-English summary

Half a billion people worldwide live with osteoarthritis, yet no drug exists that can slow or stop the disease—and women face nearly double the risk after menopause, for reasons that remain poorly understood. This project tackles that gap. While plant-rich diets are known to protect joints, most studies have tested isolated compounds at unrealistically high doses, and almost none have asked whether those compounds work differently in a menopausal context. The researchers will use lab models of osteoarthritis to examine how combinations of diet-derived compounds—such as sulforaphane from broccoli, resveratrol from grapes, and curcumin from turmeric—affect both joint health and the brain, since menopause-linked dementia and osteoarthritis often occur together. If the work succeeds, it could provide the mechanistic evidence needed to design dietary interventions that genuinely slow osteoarthritis progression in postmenopausal women. That would shift treatment from symptom management toward disease modification, potentially reducing the need for joint replacements and easing the growing burden on healthcare systems as populations age. The research is applied and translational, aiming directly at a clinical gap.

View original technical description
Osteoarthritis (OA) is a progressive, low-grade inflammatory disease of synovial joints that affects > 500 million people worldwide. Incidence is climbing with ageing populations and increasing obesity, while women face almost double the risk after mid-life, comorbid with dementia, implicating menopause has a role, yet links between menopause and OA remain unclear. There are no disease-modifying therapies for OA. Existing options offer limited symptomatic relief. Conversely, plant-rich diets demonstrate chondro- protective effects, attributed to synergistic anti-inflammatory and antioxidant actions of bioactive compounds and metabolites such as sulforaphane, resveratrol and curcumin. Nonetheless, most mechanistic studies use supra-physiological doses of isolated phytochemicals and rarely test efficacy in a menopausal context, hindering translation to clinical practice. This project aims to understand the combinatorial role of plant-based, diet- derived compounds/metabolites on the joint/brain health axis during menopause using in vitro and in vivo models of OA. Elucidation of mechanisms of action of plant-derived compounds is important to understand how diet influences healthy ageing.

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Researchers

Buddhini Kiriwaththuduwa (EPMC Awardee)

Related Research

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Original classification

PhD Studentship (Basic)

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