
Redox Report, Journal Year: 2025, Volume and Issue: 30(1)
Published: March 9, 2025
Periodontitis, a common dental illness, causes periodontal tissue inflammation and irreversible bone loss, inevitably resulting in tooth loss. Hyperhomocysteinaemia (HHcy), defined as blood total homocysteine (Hcy) levels greater than 15 µmol/L, is linked to increased cardiovascular disease risk. Mounting evidence indicates connection between HHcy periodontitis; however, the underlying processes remain unknown. Herein, we explored mechanisms by which exacerbates osteoclast formation. In an animal model of periodontitis treated with HHcy, attachment loss was aggravated, both systemic gingival tended increase; additionally, antioxidant-related proteins were suppressed expressed at low levels, whereas oxidative damage-related protein expression increased. RAW264.7 cells LPS or + Hcy, Hcy group presented reactive oxygen species (ROS) fluorescence intensity, Nrf2/HO-1 signalling pathway suppression associated inflammatory cytokine (TNF-α) expression. monocyte osteoclasts Rankl suppression, increase osteoclast-related (NFATc-1 CTSK), more pronounced osteoclastic phenotype. Therefore, may exacerbate severity generation promoting ROS production inhibiting pathway.
Language: Английский