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CJAP ›› 2016, Vol. 32 ›› Issue (2): 177-180.doi: 10.13459/j.cnki.cjap.2016.02.022

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Intervention effect of trillium tschonoskii maxim extract solution on myocardial injury in diabetic rats

WANG Feng-jie1,3, WANG Ke-kun2, CHEN Xian-bing3, LIU Jin-hong4, GAO Song4, LIU Xin4   

  1. 1. Science and Technology College of Hubei Minzu University, Enshi 445000;
    2. Enshi Center for Disease Control and Prevention, Enshi 445000;
    3. Medical School of Hubei Minzu University, Enshi 445000;
    4. Pathology Department in Affiliated Hospital of Hubei Minzu University, Enshi 445000, China
  • Received:2015-09-14 Revised:2016-01-22 Online:2016-03-28 Published:2018-06-12
  • Supported by:

Abstract: Objective: To study the protective effect and the underlying mechanism of trillium tschonoskii maxim (TTM, Traditional Chinese Medicine) on myocardial injury of diabetic rats induced by high-fat diet and streptozotocin (STZ), which will lay a theoretical foundation for further exploring its pharmacological effect. Methods: SD male rats received high fat diet and STZ (35 mg/kg) via tail vein injection were modeled into diabetic rats, the levels of brain natriuretic peptide (BNP) and cardiac troponin I (cTnI) in serum, the contents of superoxide (SOD), glutathione peroxidase (GPX),malondialdehyde (MDA) in cardiac tissues, and cardiac myocyte apoptosis index were tested in all groups after the last administration. Results: Compared with that in the model group, SOD and GPX activities were significantly increased and levels of BNP、cTnI、cardiac weight index (CWI)、apoptosis index (AI) were decreased in TTM and metformin (Met) group. The effects of TTM were better than traditional medicine metformin in enhancing GPX activity and decreasing collagen level. Conclusion: TTM can inhibit myocardial apoptosis by reducing oxidative stress responses in diabetic rats, which can slow down collagen fiber production to protect the myocardial cell injury.

Key words: TTM(Traditional Chinese Medicine), myocardial injury, diabetic rats, oxidative stress

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