BAI Xue,SUN Xiaoxian,GUO Yang,et al.Effects and mechanism of Yiqi huoxue decoction on lumbar disc herniation in rats[J].ZHONGGUO YAOFANG,2024,35(10):1186-1192.
BAI Xue,SUN Xiaoxian,GUO Yang,et al.Effects and mechanism of Yiqi huoxue decoction on lumbar disc herniation in rats[J].ZHONGGUO YAOFANG,2024,35(10):1186-1192. DOI: 10.6039/j.issn.1001-0408.2024.10.06.
Effects and mechanism of Yiqi huoxue decoction on lumbar disc herniation in rats
To investigate the effects and mechanism of Yiqi huoxue decoction (YQHX) on lumbar disc herniation in rats.
METHODS
2
Rats were randomly divided into sham operation group, model group, NF-κB inhibitor group (QNZ group, 1 mg/kg), YQHX group (9.1 g/kg) and combination group (YQHX+QNZ group, the same dose as each single drug group), with 10 rats in each group. Except for sham operation group, lumbar disc herniation model of rats was induced in other groups; administration groups were given QNZ intraperitoneally or/and YQHX intragastrically, once a day, for 8 consecutive weeks. The severity of intervertebral disc herniation was evaluated in each group; the pathological changes of intervertebral discs and the changes of autophagy of nucleus pulposus cells were all observed; the level of tumor necrosis factor-α (TNF-α) in serum, and the ratios of Bcl-2/adenovirus E1B interacting protein 3 (BNIP3) and Beclin-1 positive cells in intervertebral disc tissues were detected; the phosphorylation of nuclear factor-κB (NF-κB) p65, the expressions of tumor necrosis factor receptor-associated factor-2 (TRAF-2), TRAF-3, BNIP3 and LC3B protein, and mRNA expressions of NF-κB p65, LC3B, p62, BNIP3 and Beclin-1 were determined.
RESULTS
2
Compared with model group, Pfirrmann grading score decreased significantly, the pathological injury of intervertebral disc tissue was relieved in YQHX group; the number of autophagosomes in nucleus pulposus cells increased; serum level of TNF-α and mRNA expression of p62 in intervertebral disc tissue decreased significantly; the ratios of BNIP3 and Beclin-1 positive cells, the phosphorylation of NF-κB p65, the expressions of TRAF-2, TRAF-3, BNIP3 and LC3B protein as well as the mRNA expressions of NF-κB p65, LC3B, BNIP3 and Beclin-1 decreased significantly in intervertebral disc tissues (
P
<0.05). The changes of above indexes in YQHX group were reversed partly in YQHX+QNZ group.
CONCLUSIONS
2
YQHX promotes the elevation of autophagy level of intervertebral discs, slows down the inflammatory response and the progression of lumbar disc herniation by activating the NF-κB signaling pathway.
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