Tanshinone IIA ameliorates diabetic cardiomyopathy by inhibiting Grp78 and CHOP expression in STZ‑induced diabetes rats

  • Authors:
    • Shuliang Tao
    • Liuyin Chen
    • Jingmei Song
    • Ningning Zhu
    • Xueyi Song
    • Ruoli Shi
    • Gangfeng Ge
    • Yueming Zhang
  • View Affiliations

  • Published online on: May 15, 2019     https://doi.org/10.3892/etm.2019.7580
  • Pages: 729-734
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Abstract

Diabetic cardiomyopathy (DCM), one of the common diabetic complications, causes a high rate of mortality in patients with diabetes. Tanshinone IIA (TSIIA), one of the components of Salvia miltiorrhiza (Danshen), has anti‑oxidative stress activity and is widely used to treat diabetes‑associated diseases. However, its efficacy on DCM remains unclear. The present study aimed to investigate the potential therapeutic function of TSIIA on DCM in an experimental diabetic rat model. Streptozotocin (STZ)‑induced diabetic rats were intraperitoneally injected with TSIIA for 6 weeks. The present results indicated that blood glucose concentration was slightly reduced in the low‑dose TSIIA treatment group. TSIIA injection was also noted to improve cardiac function, and restore loss of mitochondrial cristae, swollen mitochondrial matrix and disorganized myofibrils in myocardial cells, which are thought to be characteristics of apoptosis. Furthermore, TSIIA injection could increase the activity of superoxide dismutase in STZ‑induced diabetic rats, and suppress the endoplasmic reticulum (ER) stress signaling pathway via reducing the expression of glucose‑regulated protein 78 and C/EBP homologous protein. These results provide evidence that TSIIA may ameliorate DCM in diabetic rats, possibly via suppressing oxidative stress and ER stress activation.

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July 2019
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APA
Tao, S., Chen, L., Song, J., Zhu, N., Song, X., Shi, R. ... Zhang, Y. (2019). Tanshinone IIA ameliorates diabetic cardiomyopathy by inhibiting Grp78 and CHOP expression in STZ‑induced diabetes rats. Experimental and Therapeutic Medicine, 18, 729-734. https://doi.org/10.3892/etm.2019.7580
MLA
Tao, S., Chen, L., Song, J., Zhu, N., Song, X., Shi, R., Ge, G., Zhang, Y."Tanshinone IIA ameliorates diabetic cardiomyopathy by inhibiting Grp78 and CHOP expression in STZ‑induced diabetes rats". Experimental and Therapeutic Medicine 18.1 (2019): 729-734.
Chicago
Tao, S., Chen, L., Song, J., Zhu, N., Song, X., Shi, R., Ge, G., Zhang, Y."Tanshinone IIA ameliorates diabetic cardiomyopathy by inhibiting Grp78 and CHOP expression in STZ‑induced diabetes rats". Experimental and Therapeutic Medicine 18, no. 1 (2019): 729-734. https://doi.org/10.3892/etm.2019.7580