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Adiponectin and cardiomyocyte

Wei-Feng Zheng, Shou-Yan Zhang, Hui-Fang Ma, Xue-Wei Chang, Hao Wang
The clinical use of doxorubicin (DOX) is limited by its toxic effect. However, there is no specific drug that can prevent DOX-related cardiac injury. C1qTNF-related protein-6 (CTRP6) is a newly identified adiponectin paralog with many protective functions on metabolism and cardiovascular diseases. However, little is known about the effect of CTRP6 on DOX-induced cardiac injury. The present study aimed to investigate whether CTRP6 could protect against DOX-related cardiotoxicity. To induce acute cardiotoxicity, the mice were intraperitoneally injected with a single dose of DOX (15 mg/kg)...
February 5, 2019: Journal of Cellular Biochemistry
Rui Hao, Guoying Su, Xiaolin Sun, Xiangran Kong, Cuiying Zhu, Guohai Su
Adiponectin, an adipokine synthesized and secreted majorly by adipose tissue, is reported to exert cardioprotective properties via anti-inflammation and antiapoptosis. Lipopolysaccharide (LPS) is a common inflammation and apoptosis inducer of cardiomyocytes. However, few studies have reported the roles of adiponectin on LPS-induced inflammation as well as apoptosis of H9c2 cells, and the possible mechanisms of these effects. In the present study, we found that adiponectin significantly relieved LPS-induced cytotoxicity including decreased viability and elevated LDH release, inhibited LPS-triggered inflammation, which is evidenced by increases in release of TNF-α, IL-1β as well as IL-6, and attenuated the enhanced rates of apoptotic cells as well as increased caspase-3 activity caused by LPS in H9c2 cells...
January 22, 2019: Acta Biochimica et Biophysica Sinica
Zhen-Guo Ma, Yu-Pei Yuan, Xin Zhang, Si-Chi Xu, Chun-Yan Kong, Peng Song, Ning Li, Qi-Zhu Tang
Aims: C1q-tumor necrosis factor-related protein-3 (CTRP3) is an adipokine and a paralog of adiponectin. Our previous study showed that CTRP3 attenuated diabetes-related cardiomyopathy. However, the precise role of CTRP3 in cardiac hypertrophy remains unclear. This study was aimed to clarify the role of CTRP3 involved in cardiac hypertrophy. Methods and results: Cardiomyocyte-specific CTRP3 overexpression was achieved using an adeno-associated virus system, and cardiac CTRP3 expression was knocked down using gene delivery of specific short hairpin RNAs in vivo...
November 8, 2018: Cardiovascular Research
Ning Zhang, Wen-Ying Wei, Hai-Han Liao, Zheng Yang, Can Hu, Sha-Sha Wang, Wei Deng, Qi-Zhu Tang
AdipoRon, a small-molecule adiponectin receptor (AdipoR) agonist, has been reported to be implicated in cardiovascular diseases. However, its role in pressure-overload-induced cardiac remodeling is still elusive. To elucidate the role of AdipoRon in the pathogenesis of cardiac remodeling in vivo and vitro, in the left ventricle of human end-stage heart failure, the expression of AdipoR2 is upregulated. Meanwhile, increased expression of AdipoR2 was also observed in mice failing hearts. Oral administration of AdipoRon alleviated cardiac hypertrophy and fibrosis induced by pressure overload, as evidenced by the beneficial change of cross-sectional area of cardiomyocytes, heart weight-to-body weight ratio, gene expression of hypertrophic markers, ventricle collagen ratio, and cardiac function...
December 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
Xiao-Ling Yu, Chao Wu, Hong-Zhong Jin
Psoriasis usually combines with metabolic diseases,and the prevalence of cardiovascular disease remarkably increases in psoriatic patients. Adipokines,which play an important role in the cardiovascular diseases,also express abnormally in psoriasis and may induce or exacerbate the skin lesion. The adipokines associated with psoriasis and cardiovascular disease include adiponectin,leptin,resistin,omentin,visfatin,chemerin,and retinoid binding protein 4 (RBP-4). The levels of adiponectin and omentin apparently decrease in psoriatic patients compared to healthy controls,and thus they may play protective roles for psoriasis...
August 30, 2018: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
Yunlong Xia, Fuyang Zhang, Shihao Zhao, Yueyang Li, Xiyao Chen, Erhe Gao, Xinyue Xu, Zhenyu Xiong, Xiaomeng Zhang, Jinglong Zhang, Huishou Zhao, Wei Wang, Helin Wang, Yanjie Guo, Yi Liu, Congye Li, Shan Wang, Ling Zhang, Wenjun Yan, Ling Tao
Aims: The farnesoid X receptor (FXR) is a member of the metabolic nuclear receptor superfamily that plays a critical regulatory role in cardiovascular physiology/pathology. However, the role of systemic FXR activation in the chronic phase in myocardial infarction (MI)-induced cardiac remodelling and dysfunction remains unclear. In this study, we aimed to elucidate the role of long-term FXR activation on post-MI cardiac remodelling and dysfunction. Methods and results: Mice underwent either MI surgery or sham operation...
August 1, 2018: Cardiovascular Research
Maria Carolina Borges, Aluísio J D Barros, Diana L Santos Ferreira, Juan Pablo Casas, Bernardo Lessa Horta, Mika Kivimaki, Meena Kumari, Usha Menon, Tom R Gaunt, Yoav Ben-Shlomo, Deise F Freitas, Isabel O Oliveira, Aleksandra Gentry-Maharaj, Evangelia Fourkala, Debbie A Lawlor, Aroon D Hingorani
BACKGROUND: Adiponectin, a circulating adipocyte-derived protein, has insulin-sensitizing, anti-inflammatory, antiatherogenic, and cardiomyocyte-protective properties in animal models. However, the systemic effects of adiponectin in humans are unknown. Our aims were to define the metabolic profile associated with higher blood adiponectin concentration and investigate whether variation in adiponectin concentration affects the systemic metabolic profile. METHODS AND RESULTS: We applied multivariable regression in ≤5909 adults and Mendelian randomization (using cis -acting genetic variants in the vicinity of the adiponectin gene as instrumental variables) for analyzing the causal effect of adiponectin in the metabolic profile of ≤37 545 adults...
December 2017: Circulation. Cardiovascular Genetics
Alessandra Stacchiotti, Gaia Favero, Lorena Giugno, Igor Golic, Aleksandra Korac, Rita Rezzani
Cardiomyocytes are particularly sensitive to oxidative damage due to the link between mitochondria and sarcoplasmic reticulum necessary for calcium flux and contraction. Melatonin, important indoleamine secreted by the pineal gland during darkness, also has important cardioprotective properties. We designed the present study to define morphological and ultrastructural changes in cardiomyocytes and mainly in mitochondria of an animal model of obesity ( ob / ob mice), when treated orally or not with melatonin at 100 mg/kg/day for 8 weeks (from 5 up to 13 week of life)...
December 5, 2017: Nutrients
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