ABSTRACT
Aim To explore the mechanism of the effect of anthraquinone modifier KA-4c on breast cancer cells, and determine its action target by drug affinity reaction target stability technique (DARTS). Methods The cell viability was detected by MTT method. The effect of KA-4c on the morphology of breast cancer cells was studied by HE staining, ER-Tracker Red and electron microscope. The apoptosis rate of breast cancer cells induced by KA-4c was detected by flow cytometry. The expression of apoptotic protein was detected by Western blotting. DARTS and CETSA were used to determine the target of KA-4c. Results KA-4c had the most significant inhibitory effect on the proliferation of triple negative breast cancer MDA-MB231 cells, and could cause endoplasmic reticulum and mitochondrial vacuolation to damage the cells. The apoptosis rate and the expression of apoptosis-related proteins CHOP and caspase-7 increased with the increase of KA-4c concentration. DARTS results showed that KA-4c could activate endoplasmic reticulum protein processing signaling pathway, in which KA-4c bound to ATF6 protein and was resistant to protease hydrolysis. The results of CETSA experiments showed that KA-4c could enhance the expression of ATF6 protein in a concentration-dependent manner. Conclusions KA-4 triggers endoplasmic reticulum stress to induce apoptosis in breast cancer cells. ATF6 may be one of the targets of KA-4c.
ABSTRACT
Objective To investigate the clinical effect of Bushen Huoxue Tongluo Recipe in the treatment of acute attack of primary knee osteoarthritis, so as to enrich the treatment method and improve the curative effect. Methods 94 cases of primary knee osteoarthritis acute attack were randomly divided into 2 groups, 47 cases in the control group were treated with conventional western medicine treatment, the observation group of 47 cases, treated with Bushen Huoxue Tongluo Decoction, were observed after treatment in the improvement of the safety index, serum indexes and related score. Results The two groups at the end of the pain, stiffness, ADL, tenderness, swelling, joint activities are significantly lower than before treatment, after treatment were significantly different (P<0.05) at the end of treatment, the observation group in the above six indicators were significantly better than the control group (P<0.05); group MMP-3, two at the end of treatment CRP, IL-1, TNF- were significantly lower than before treatment, after treatment were significantly different (P<0.05) at the end of treatment observation group above index was significantly better than the control group (P<0.05). Conclusion: Bushen Huoxue Tongluo Decoction can improve the primary acute exacerbation of knee osteoarthritis clinical symptoms, reduce inflammation, and high safety.
ABSTRACT
Objective To investigate the clinical effect of Bushen Huoxue Tongluo Recipe in the treatment of acute attack of primary knee osteoarthritis, so as to enrich the treatment method and improve the curative effect. Methods 94 cases of primary knee osteoarthritis acute attack were randomly divided into 2 groups, 47 cases in the control group were treated with conventional western medicine treatment, the observation group of 47 cases, treated with Bushen Huoxue Tongluo Decoction, were observed after treatment in the improvement of the safety index, serum indexes and related score. Results The two groups at the end of the pain, stiffness, ADL, tenderness, swelling, joint activities are significantly lower than before treatment, after treatment were significantly different (P<0.05) at the end of treatment, the observation group in the above six indicators were significantly better than the control group (P<0.05); group MMP-3, two at the end of treatment CRP, IL-1, TNF- were significantly lower than before treatment, after treatment were significantly different (P<0.05) at the end of treatment observation group above index was significantly better than the control group (P<0.05). Conclusion: Bushen Huoxue Tongluo Decoction can improve the primary acute exacerbation of knee osteoarthritis clinical symptoms, reduce inflammation, and high safety.