Effects of 1,25-dihydroxyvitamin D3 on pathological changes in rats with diabetic cardiomyopathy

被引:11
作者
Zeng, Xiaoyun [1 ,2 ]
Yu, Xintian [1 ]
Xiao, Shan [1 ,2 ]
Yao, Hua [2 ,3 ]
Zhu, Jun [1 ,2 ,3 ]
机构
[1] Xinjiang Med Univ, Dept Endocrinol, Affiliated Hosp 1, 137 Liyushan South Rd, Urumqi 830054, Xinjiang, Peoples R China
[2] Xinjiang Med Univ, Prevent Diag & Treatment Ctr Diabet, Affiliated Hosp 1, Urumqi 830054, Xinjiang, Peoples R China
[3] Xinjiang Med Univ, Xinjiang Key Lab Metab Dis, Affiliated Hosp 1, Urumqi 830054, Xinjiang, Peoples R China
来源
LIPIDS IN HEALTH AND DISEASE | 2017年 / 16卷
基金
中国国家自然科学基金;
关键词
1,25-dihydroxyvitamin D3; Diabetic cardiomyopathy; Fas/FasL; Myocardial apoptosis; VITAMIN-D; SIGNALING PATHWAY; INDUCED APOPTOSIS; STREPTOZOTOCIN; DEATH; MYOCARDIUM; AUTOPHAGY; PROTECTS; FIBROSIS; MELLITUS;
D O I
10.1186/s12944-017-0498-2
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Background: The role of 1,25-dihydroxyvitamin D3 (vitamin D) in the apoptosis of diabetic cardiomyopathy (DCM) is unclear. This study is to investigate the effects of vitamin D on the pathological changes in rats with DCM. Methods: Rats were randomly divided into the control, model, and treatment groups. DCM model was established by the high-fat and -sugar diet. Plasma glucose, body weight, heart weight, heart weight index, and serum levels of lactate dehydrogenase (LDH) and creatine kinase (CK) were determined. Heart tissue morphology was detected with histochemical staining. Expression levels of Fas and FasL were detected with RT-PCR and immunohistochemistry. Results: Compared with the control group, the body weights and heart weights were significantly declined, while the plasma glucose levels and heart weight indexes were significantly elevated, in the model group (P < 0.05). However, vitamin D significantly reversed the pathological changes in DCM rats (P < 0.05). Moreover, the serum levels of LDH and CK were significantly increased in the models, which were significantly decreased by vitamin D (P < 0.05). HE staining showed that, vitamin D significantly alleviated the histological changes of myocardial cells in DCM rats. In addition, the mRNA and protein expression levels of Fas and FasL were significantly elevated in the models (P < 0.05), which were significantly declined by vitamin D (P < 0.05). Conclusion: Vitamin D could alleviate pathological changes, reduce Fas/FasL expression, and attenuate myocardial cell apoptosis in DCM rats, which might be used as a potential effective therapy for the disease.
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页数:7
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