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Early administration of trimetazidine attenuates diabetic cardiomyopathy in rats by alleviating fibrosis, reducing apoptosis and enhancing autophagy

Overview of attention for article published in Journal of Translational Medicine, April 2016
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Title
Early administration of trimetazidine attenuates diabetic cardiomyopathy in rats by alleviating fibrosis, reducing apoptosis and enhancing autophagy
Published in
Journal of Translational Medicine, April 2016
DOI 10.1186/s12967-016-0849-1
Pubmed ID
Authors

Lei Zhang, Wen-yuan Ding, Zhi-hao Wang, Meng-xiong Tang, Feng Wang, Ya Li, Ming Zhong, Yun Zhang, Wei Zhang

Abstract

Trimetazidine, as an anti-ischemic and antioxidant agent, has been demonstrated to have many cardioprotective effects. However, whether early administration of trimetazidine has an effect on diabetic cardiomyopathy and the mechanisms underlying the effect have not yet been elucidated. We established a type 2 DCM rat model by high-fat diet and low-dose streptozotocin. Rats were separated into different groups: control, diabetes, and diabetes + trimetazidine (n = 6, each). Cardiac autophagy, cardiac functions, and cardiomyocyte apoptosis were monitored. Rats with type 2 DCM showed severe insulin resistance, left ventricular dysfunction, increased cardiomyocyte apoptosis, and reduced cardiac autophagy. Collagen volume fraction (CVF) and perivascular collagen area/luminal area (PVCA/LA) ratio were significantly higher in the diabetic group than the control group. We found that trimetazidine treatment ameliorated metabolic disturbance and insulin resistance, reduced cardiomyocyte apoptosis, and restored cardiac autophagy. CVF and PVCA/LA ratio were also lower in the diabetes + trimetazidine group than the diabetic group (CVF, 4.75 ± 0.52 % vs. 11.04 ± 1.67 %, p < 0.05; PVCA/LA, 8.37 ± 0.51 vs. 17.97 ± 2.66, p < 0.05). Furthermore, trimetazidine inhibited phosphorylation of ERK and P38 MAPK to reduce myocardial fibrosis. Inhibited phosphorylation of AMPK was restored and the interaction between Bcl-2 and Beclin1 was enhanced in diabetes + trimetazidine group, resulting in the initiation of autophagy and alleviation of apoptosis. Early administration of trimetazidine could ameliorate diabetic cardiomyopathy by inhibiting myocardial fibrosis and cardiomyocyte apoptosis and enhancing autophagy. Therefore, trimetazidine may be a good choice in the prevention of diabetic cardiomyopathy if applied at the early stage of diabetes.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 35 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 3 9%
Student > Master 3 9%
Student > Ph. D. Student 3 9%
Student > Bachelor 2 6%
Librarian 1 3%
Other 3 9%
Unknown 20 57%
Readers by discipline Count As %
Medicine and Dentistry 5 14%
Pharmacology, Toxicology and Pharmaceutical Science 4 11%
Agricultural and Biological Sciences 2 6%
Psychology 1 3%
Biochemistry, Genetics and Molecular Biology 1 3%
Other 2 6%
Unknown 20 57%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 29 April 2016.
All research outputs
#14,847,187
of 22,865,319 outputs
Outputs from Journal of Translational Medicine
#1,977
of 4,002 outputs
Outputs of similar age
#169,861
of 299,013 outputs
Outputs of similar age from Journal of Translational Medicine
#55
of 99 outputs
Altmetric has tracked 22,865,319 research outputs across all sources so far. This one is in the 33rd percentile – i.e., 33% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,002 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.5. This one is in the 44th percentile – i.e., 44% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 299,013 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 99 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.