Astragaloside IV prevents lipopolysaccharide-induced injury in H9C2 cardiomyocytes

Chinese Journal of Natural Medicines
Shi-Guang WangXiao-Hu Chen

Abstract

This study aimed to investigate the protective effects of astragaloside IV (AS IV) on lipopolysaccharide (LPS)-induced injury in H9C2 cardiomyocytes. H9C2 Cardiomyocytes were cultured with LPS (10 μg·mL(-1)) for 4 h and treated with AS IV at 50, 100, and 150 μmol·L(-1) for various durations. Cell viability was determined by MTT. The content of released TNF-α and IL-6 from cardiomyocytes were evaluated by enzyme-linked immunosorbent assay (ELISA). The levels of superoxidase dismutase (SOD), malondialdehyde (MDA), lactate dehydrogenase (LDH), and creatine phosphate kinase (CK) were measured by using commercial available kits. The mRNA and protein expression levels of NF-κB p65 were measured by RT-PCR and Western blotting, respectively. And the NF-κB p65 activity was measured by ELISA. Our results demonstrated that AS IV at 50, 100, and 150 μmol·L(-1) markedly inhibited the release of TNF-α and IL-6 and decreased NF-κB expression, compared with the model group. Moreover, the improved SOD activity and decreased MDA, LDH and CK levels were detected after AS IV treatment. In summary, AS IV could increase the activities of antioxidant enzymes, inhibite lipid peroxidation, and down-regulate the inflammatory mediators involved in the in...Continue Reading

Citations

Nov 13, 2019·Artificial Cells, Nanomedicine, and Biotechnology·Yaobin ZhuZhao Jin
Jul 19, 2019·Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology·Qun DingShuanrang Jing

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