Authors
Eman R Al Sawy, Mona M Saber, Noha N Nassar, Nesrine S El Sayed
Published in
Inflammopharmacology. May 03, 2025. Epub May 03, 2025.
Abstract
Osteoarthritis (OA), a degenerative joint condition, affects entire joints, including the tissues around it, causing pain, swelling and stiffness. This study explored the combined therapeutic effects of metformin and pravastatin on knee OA induced by monosodium iodoacetate (MIA) in rats. The study encompassed five animal groups (n = 10 per group) which were allocated as follows: group 1 received 100 µL of sterile saline injected intra-articularly into the left knee joint (control group) while groups 2-5 were injected with 2 mg MIA in 100µL normal saline into the intraarticular space. After 2 weeks, group 3 received oral metformin (100 mg/kg) for 2 weeks, group 4 received oral pravastatin (10 mg/kg) for 2 weeks and group 5 received both metformin 100 mg/kg and pravastatin 10 mg/kg orally for 2 weeks. The combination of metformin and pravastatin showed to be the most effective in terms of improving radiologic and histologic findings in knee OA. This combination also reduced both serum C reactive protein (CRP) and cartilage oligomeric matrix protein (COMP), while increasing serum collagen type II (COL2). Combining metformin and pravastatin also reduced AKT1, PI3K, STAT3 and IL-6 in the knee joint homogenate. TREM-1 levels showed the greatest reduction with the combination therapy. Furthermore, improvement was noted in oxidative stress markers with an increase in non-protein thiols and a decrease in malondialdehyde. In conclusion, the current study shows a therapeutic potential effect of combining metformin and pravastatin in OA, which could be partly attributed to TREM-1 signaling pathway.
PMID:
40319222
Bibliographic data and abstract were imported from PubMed on 04 May 2025.
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