Article: [Effect of Gegen Qinlian Decoction on cardiac diastolic function of diabetic mice with damp-heat syndrome].
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
2022 Volume 47, Issue 10, Page(s) 2705–2711
Abstract: This study was designed to explore the effect and mechanism of Gegen Qinlian Decoction(GQD) on cardiac function of diabetic mice with damp-heat syndrome. The db/db diabetic mice were exposed to the damp-heat environment test chamber for inducing the damp- ...
| Abstract | This study was designed to explore the effect and mechanism of Gegen Qinlian Decoction(GQD) on cardiac function of diabetic mice with damp-heat syndrome. The db/db diabetic mice were exposed to the damp-heat environment test chamber for inducing the damp-heat syndrome. Forty-eight six-week-old db/db mice were randomly divided into six groups, namely the db/db diabetic model group, db/db diabetic mouse with damp-heat syndrome(db/db-dh) group, db/db diabetic mouse with damp-heat syndrome treated with low-dose GQD(db/db-dh+GQD-L) group, db/db-dh+GQD-M(medium-dose) group, db/db-dh+GQD-H(high-dose) group, and db/db-dh+lipro(liprostatin-1, the inhibitor of ferroptosis) group, with eight six-week-old db/m mice classified into the control group. The results showed that mice presented with the damp-heat syndrome after exposure to the "high-fat diet" and "damp-heat environment", manifested as the elevated fasting blood glucose, reduced food intake, low urine output, diarrhea, listlessness, loose and coarse hair, and dark yellow and lusterless fur. However, the intragastric administration of the high-dose GQD for 10 weeks ameliorated the above-mentioned symptoms, inhibited myocardial hypertrophy and fibrosis, and improved the cardiac diastolic function of db/db-dh mice. qPCR suggested that GQD regulated the expression of ferroptosis-related genes, weakened the lipid peroxidation in the myocardium, and up-regulated glutathione peroxidase 4(GPX4) expression in comparison with those in the db/db-dh group. At the same time, the ferroptosis inhibitor liprostatin-1 significantly improved the cardiac function and reversed the cardiac remodeling of db/db-dh mice. It can be concluded that the damp-heat syndrome may aggravate myocardial ferroptosis and accelerate cardiac remodeling of db/db mice, thus leading to diastolic dysfunction. GQD is able to improve cardiac remodeling and diastolic function in diabetic mice with damp-heat syndrome, which may be related to its inhibition of myocardial ferroptosis. |
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| MeSH term(s) | Animals ; Diabetes Mellitus, Experimental/drug therapy ; Drugs, Chinese Herbal ; Hot Temperature ; Hyperglycemia/drug therapy ; Mice ; Ventricular Remodeling |
| Chemical Substances | Drugs, Chinese Herbal ; gegenqinlian |
| Language | Chinese |
| Publishing date | 2022-06-18 |
| Publishing country | China |
| Document type | Journal Article |
| ZDB-ID | 1004649-5 |
| ISSN | 1001-5302 ; 0254-0029 |
| ISSN | 1001-5302 ; 0254-0029 |
| DOI | 10.19540/j.cnki.cjcmm.20211201.401 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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