ArticleNan fang yi ke da xue xue bao = Journal of Southern Medical University2026
[Electroacupuncture alleviates articular chondrocyte apoptosis in rats with knee osteoarthritis by regulating the TLR4/MyD88/NF-κB signaling pathway].
Article in Nan fang yi ke da xue xue bao = Journal of Southern Medical University, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesTo investigate the effect of electroacupuncture (EA) on chondrocyte apoptosis in rats with knee osteoarthritis (KOA) and the underlying mechanism.
methodsTwenty-seven SD rats were randomly divided into blank group, KOA model group, and EA group (
resultsThe KOA rats showed increased Lequesne MG scores, obvious chondrocyte injuries, upregulated TLR4, MyD88, NF‑κB p65, COL10, Bax, and caspase-3 expressions, increased serum IL-1β and TNF‑α levels with decreased COL2 and Bcl-2 expressions. EA significantly reduced Lequesne MG scores, improved cartilage pathologies and reversed the abnormal changes in protein expressions and inflammatory cytokines. The KOA rats showed increased HMGB1 expression and enhanced NF‑κB p65 nuclear translocation, and EA treatment effectively decreased HMGB1 expression, reduced nuclear NF‑κB p65, and increased cytoplasmic NF‑κB p65. The TLR4 inhibitor produced similar effects, while sham EA produced no significant effect.
conclusionsEA alleviates cartilage injury in KOA rats possibly by inhibiting HMGB1-mediated activation of TLR4/MyD88/NF‑κB signaling and NF‑κB p65 nuclear translocation to regulate Bcl-2/Bax balance and suppress mitochondria-dependent chondrocyte apoptosis.
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