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1.
Chinese Journal of Experimental Traditional Medical Formulae ; (24): 66-72, 2019.
Article in Chinese | WPRIM | ID: wpr-802270

ABSTRACT

Objective:To investigate the protective effect of ferulic acid on PC12 cells injured by H2O2 and the molecular mechanisms. Method:The oxidative stress model was established by treating PC12 cells with H2O2, and then different dosages of ferulic acid (1, 10, 100 μmol·L-1) were used for intervention. Methyl thiazolyl tetrazolium (MTT) assay was used to evaluate the cell viability,lactate dehydrogenase (LDH) and malondialdelyde (MDA) in cell supernatant, and superoxidedismutase (SOD) in cells was tested by biochemical method respectively. Insulin-like growth factors-1 (IGF-1) mRNA and protein expressions were detected by Real-time fluorescence quantitative polymerase chain reaction(Real-time PCR) and Western blot. Result:The 24 h intervention with different dosages of ferulic acid (1, 10, 100 μmol·L-1) could significantly improve the oxidative damage of PC12 cells induced by H2O2, compared with the model group, ferulic acid at 1,10,100 μmol·L-1 significantly increased PC12 cells viability,significantly decreased LDH and MDA content in cell supernatant (PPPPPConclusion:Ferulic acid exerts a protective effect on H2O2-inducing PC12 cells injury,which might be related to insulin signaling pathways.

2.
Journal of Medical Postgraduates ; (12): 1050-1053, 2018.
Article in Chinese | WPRIM | ID: wpr-817977

ABSTRACT

Objective How to improve the operational safety of foraminoplasty has become a hot spot in present clinical research. This study was to observe the clinical effect of minimally invasive treatment of lumbar disc herniation by percutaneous transforaminal endoscopic discectomy (PTED) combined with dynamically assisted visualized intervertebral foraminoplasty (VIVF).Methods Totally, 61 patients with lumbar disc herniation underwent PTED combined with dynamically assisted VIVF in Jiangsu Provincial Hospital of Integrated Traditional Chinese and Western Medicine from January to November 2017. We evaluated the clinical effects using the Visual Analogue Scale (VAS), Oswestry Disability Index (ODI) and modified Macnab Criteria.Results The VAS scores of the patients were significantly lower at 3 days, 3 months and 6 months after surgery than the baseline (1.10±0.60, 1.03±0.26 and 1.07±0.31 vs 7.64±1.11, P<0.05), and so were the ODIs (2.10±0.54, 1.30±0.49 and 1.23±0.46 vs 34.46±3.57, P<0.05). The excellence rate of treatment 96.72% (59/61). None of the patients experienced such postoperative complications as nerve root injury, spinal injury, and dural matter, and no recurrence was observed.Conclusion PTED combined with dynamically assisted VIVF is safe and effective for the treatment of lumbar disc herniation.

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