Osteoarthritis treatment with a novel nutraceutical acetylated ligstroside aglycone, a chemically modified

María C de Andrés1,2, Mia S Meiss1, Marina Sánchez-Hidalgo3

  • 1Bone and Joint Research Group, Centre for Human Development Stem Cells and Regeneration, Institute of Developmental Science, University of Southampton, Southampton, UK.

Insights

Extra-virgin olive oil polyphenols show anti-inflammatory effects for osteoarthritis treatment. A synthetic derivative of acetylated ligstroside aglycone demonstrated superior potential in reducing cartilage degradation and inflammation.

Area of Science:

  • Nutraceuticals
  • Pharmacology
  • Biochemistry

Background:

  • Dietary patterns influence chronic diseases linked to oxidative stress and inflammation.
  • Osteoarthritis (OA) is a chronic inflammatory disease characterized by cartilage degradation.
  • Extra-virgin olive oil (EVOO) contains polyphenols with potential therapeutic properties.

Purpose of the Study:

  • To investigate the anti-inflammatory effects of EVOO-derived polyphenols, specifically ligstroside aglycone and its acetylated derivative.
  • To evaluate their efficacy in attenuating cartilage degradation in osteoarthritis.
  • To compare the therapeutic potential of a synthetic acetylated ligstroside aglycone derivative against the natural compound.

Main Methods:

  • In vitro assessment of anti-inflammatory profiles of ligstroside aglycone and acetylated ligstroside aglycone.
  • Analysis of pro-inflammatory gene expression (NOS2, MMP13) at RNA and protein levels.
  • Measurement of nitric oxide release and proteoglycan loss in human OA cartilage explants.

Main Results:

  • Both ligstroside aglycone and acetylated ligstroside aglycone exhibited anti-inflammatory properties.
  • Acetylated ligstroside aglycone significantly reduced NOS2 and MMP13 expression and nitric oxide release.
  • Acetylated ligstroside aglycone markedly decreased proteoglycan loss in human OA cartilage.

Conclusions:

  • A novel synthetic acetylated ligstroside aglycone derivative shows enhanced anti-inflammatory activity compared to the natural compound for osteoarthritis.
  • These findings support the therapeutic role of nutraceuticals in managing osteoarthritis.
  • The study provides insights into osteoarthritis pathophysiology and potential therapeutic interventions.

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