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Yaoliang tang

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https://www.readbyqxmd.com/read/29141446/myocardial-reparative-functions-of-exosomes-from-mesenchymal-stem-cells-are-enhanced-by-hypoxia-treatment-of-the-cells-via-transferring-microrna-210-in-an-nsmase2-dependent-way
#1
Jinyun Zhu, Kai Lu, Ning Zhang, Yun Zhao, Qunchao Ma, Jian Shen, Yinuo Lin, Pingping Xiang, Yaoliang Tang, Xinyang Hu, Jinghai Chen, Wei Zhu, Keith A Webster, Jian'an Wang, Hong Yu
Hypoxia treatment enhances paracrine effect of mesenchymal stem cells (MSCs). The aim of this study was to investigate whether exosomes from hypoxia-treated MSCs (Exo(H)) are superior to those from normoxia-treated MSCs (Exo(N)) for myocardial repair. Mouse bone marrow-derived MSCs were cultured under hypoxia or normoxia for 24 h, and exosomes from conditioned media were intramyocardially injected into infarcted heart of C57BL/6 mouse. Exo(H) resulted in significantly higher survival, smaller scar size and better cardiac functions recovery...
November 16, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29137830/efficacy-and-safety-of-tamsulosin-in-medical-expulsive-therapy-for-distal-ureteral-stones-with-renal-colic-a-multicenter-randomized-double-blind-placebo-controlled-trial
#2
Zhangqun Ye, Guohua Zeng, Huan Yang, Kun Tang, Xiaochun Zhang, Hong Li, Weibing Li, Zhong Wu, Lingwu Chen, Xingfa Chen, Xiankui Liu, Yaoliang Deng, Tiejun Pan, Jinchun Xing, Shusheng Wang, Yue Cheng, Xiaojian Gu, Wenxi Gao, Jianggen Yang, Yonghai Zhang, Qiwu Mi, Lin Qi, Jiongming Li, Weilie Hu, Peiyu Liang, Zhaolin Sun, Changbao Xu, Yongfu Long, Yongbin Liao, Siping Liu, Guoqing Liu, Xun Xu, Wei He, Zhiqiang Chen, Hua Xu
BACKGROUND: Recent large high-quality trials have questioned the clinical effectiveness of medical expulsive therapy using tamsulosin for ureteral stones. OBJECTIVE: To evaluate the efficacy and safety of tamsulosin for distal ureteral stones compared with placebo. DESIGN, SETTING, AND PARTICIPANTS: We conducted a double-blind, placebo-controlled study of 3296 patients with distal ureteral stones, across 30 centers, to evaluate the efficacy and safety of tamsulosin...
November 11, 2017: European Urology
https://www.readbyqxmd.com/read/29122578/a-carvedilol-responsive-microrna-mir-125b-5p-protects-the-heart-from-acute-myocardial-infarction-by-repressing-pro-apoptotic-bak1-and-klf13-in-cardiomyocytes
#3
Ahmed S Bayoumi, Kyoung-Mi Park, Yongchao Wang, Jian-Peng Teoh, Tatsuya Aonuma, Yaoliang Tang, Huabo Su, Neal L Weintraub, Il-Man Kim
BACKGROUND: Cardiac injury is accompanied by dynamic changes in the expression of microRNAs (miRs), small non-coding RNAs that post-transcriptionally regulate target genes. MiR-125b-5p is downregulated in patients with end-stage dilated and ischemic cardiomyopathy, and has been proposed as a biomarker of heart failure. We previously reported that the β-blocker carvedilol promotes cardioprotection via β-arrestin-biased agonism of β1-adrenergic receptor while stimulating miR-125b-5p processing in the mouse heart...
November 7, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29016706/microrna-532-protects-the-heart-in-acute-myocardial-infarction-and-represses-prss23-a-positive-regulator-of-endothelial-to-mesenchymal-transition
#4
Ahmed S Bayoumi, Jian-Peng Teoh, Tatsuya Aonuma, Zhize Yuan, Xiaofen Ruan, Yaoliang Tang, Huabo Su, Neal L Weintraub, Il-Man Kim
Aims: Acute myocardial infarction (MI) leads to cardiac remodelling and development of heart failure. Insufficient myocardial capillary density after MI is considered a critical determinant of this process. MicroRNAs (miRs), negative regulators of gene expression, have emerged as important players in MI. We previously showed that miR-532-5p (miR-532) is up-regulated by the β-arrestin-biased β-adrenergic receptor antagonist (β-blocker) carvedilol, which activates protective pathways in the heart independent of G protein-mediated second messenger signalling...
November 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28828674/isolation-of-extracellular-vesicles-from-stem-cells
#5
Zixin Chen, Yongjun Li, Hong Yu, Yan Shen, Chengwei Ju, Genshan Ma, Yutao Liu, Il-Man Kim, Neal L Weintraub, Yaoliang Tang
Transplanted induced pluripotent stem cells (IPSC ) and embryonic stem cells (ESC) exhibit enhanced survival in ischemic tissues and promote survival of neighboring cells via paracrine effects. Recent studies indicate that stem cells can secrete extracellular vesicles (EV), which can shuttle noncoding RNA between cells and facilitate intercellular signaling and communication between donor stem cells and recipient tissues. Direct transplantation of IPSC -derived EV (IPSC -EV) is highly effective at promoting survival and preventing apoptosis of cardiomyocytes in a mouse model of acute myocardial ischemia-reperfusion (MI/R)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28634136/tongxie-formula-reduces-symptoms-of-irritable-bowel-syndrome
#6
Heng Fan, Liang Zheng, Yaoliang Lai, Weimin Lu, Zhixiang Yan, Qi Xiao, Baiwen Li, Min Tang, Dawei Huang, Yuanyuan Wang, Zhen Li, Yuwei Mei, Zhengyan Jiang, Xingxing Liu, Qing Tang, Dongmei Zuo, Jingyi Ye, Yongqiang Yang, Huisuo Huang, Zongxiang Tang, Jun Xiao
BACKGROUND & AIMS: Irritable bowel syndrome (IBS) is the most common chronic gastrointestinal disorder, yet few drugs are effective in reducing symptoms. Approximately 50% of patients with IBS attempt herbal therapy at least once. We performed a randomized controlled trial to compare the efficacy of the herb formulation tongxie vs placebo or pinaverium (an antispasmodic agent) in reducing symptoms of IBS. METHODS: We performed a trial of 1044 adult patients with IBS (based on Rome III criteria) at 5 hospitals in China, from August 2012 through January 2015...
November 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28069043/fgf19-fgfr4-signaling-contributes-to-the-resistance-of-hepatocellular-carcinoma-to-sorafenib
#7
Lixia Gao, Xuli Wang, Yaoliang Tang, Shuang Huang, Chien-An Andy Hu, Yong Teng
BACKGROUND: Sorafenib, a multi-kinase inhibitor, is used as a standard therapy for advanced hepatocellular carcinoma (HCC). However, complete remission has not been achieved and the molecular basis of HCC resistance to sorafenib remains largely unknown. Previous studies have shown that fibroblast growth factor 19 (FGF19) expression correlates with tumor progression and poor prognosis of HCC. Here, we demonstrate the novel role of FGF19 in HCC resistance to sorafenib therapy. METHODS: FGF19 Knockdown cells were achieved by lentiviral-mediated interference, and FGFR4 knockout cells were achieved by CRISPR-Cas9...
January 9, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28035079/biased-g-protein-coupled-receptor-signaling-new-player-in-modulating-physiology-and-pathology
#8
REVIEW
Zuzana Bologna, Jian-Peng Teoh, Ahmed S Bayoumi, Yaoliang Tang, Il-Man Kim
G protein-coupled receptors (GPCRs) are a family of cell-surface proteins that play critical roles in regulating a variety of pathophysiological processes and thus are targeted by almost a third of currently available therapeutics. It was originally thought that GPCRs convert extracellular stimuli into intracellular signals through activating G proteins, whereas β-arrestins have important roles in internalization and desensitization of the receptor. Over the past decade, several novel functional aspects of β-arrestins in regulating GPCR signaling have been discovered...
January 1, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/27913284/cardiac-proteasome-functional-insufficiency-plays-a-pathogenic-role-in-diabetic-cardiomyopathy
#9
Jie Li, Wenxia Ma, Guihua Yue, Yaoliang Tang, Il-Man Kim, Neal L Weintraub, Xuejun Wang, Huabo Su
BACKGROUND: Diabetic cardiomyopathy is a major risk factor in diabetic patients but its pathogenesis remains poorly understood. The ubiquitin-proteasome system (UPS) facilitates protein quality control by degrading unnecessary and damaged proteins in eukaryotic cells, and dysfunction of UPS is implicated in various cardiac diseases. However, the overall functional status of the UPS and its pathophysiological role in diabetic cardiomyopathy have not been determined. METHODS AND RESULTS: Type I diabetes was induced in wild-type and transgenic mice expressing a UPS functional reporter (GFPdgn) by injections of streptozotocin (STZ)...
January 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27579044/stem-cell-released-microvesicles-and-exosomes-as-novel-biomarkers-and-treatments-of-diseases
#10
Yanfang Chen, Yaoliang Tang, Weiwen Long, Chunxiang Zhang
No abstract text is available yet for this article.
2016: Stem Cells International
https://www.readbyqxmd.com/read/26868211/profound-actions-of-an-agonist-of-growth-hormone-releasing-hormone-on-angiogenic-therapy-by-mesenchymal-stem-cells
#11
Qunchao Ma, Xiangyang Xia, Quanwei Tao, Kai Lu, Jian Shen, Qiyuan Xu, Xinyang Hu, Yaoliang Tang, Norman L Block, Keith A Webster, Andrew V Schally, Jian'an Wang, Hong Yu
OBJECTIVE: The efficiency of cell therapy is limited by poor cell survival and engraftment. Here, we studied the effect of the growth hormone-releasing hormone agonist, JI-34, on mesenchymal stem cell (MSC) survival and angiogenic therapy in a mouse model of critical limb ischemia. APPROACH AND RESULTS: Mouse bone marrow-derived MSCs were incubated with or without 10(-8) mol/L JI-34 for 24 hours. MSCs were then exposed to hypoxia and serum deprivation to detect the effect of preconditioning on cell apoptosis, migration, and tube formation...
April 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/26445043/long-non-coding-rnas-as-master-regulators-in-cardiovascular-diseases
#12
REVIEW
Krystal Archer, Zuzana Broskova, Ahmed S Bayoumi, Jian-peng Teoh, Alec Davila, Yaoliang Tang, Huabo Su, Il-man Kim
Cardiovascular disease is the leading cause of death in the United States, accounting for nearly one in every seven deaths. Over the last decade, various targeted therapeutics have been introduced, but there has been no corresponding improvement in patient survival. Since the mortality rate of cardiovascular disease has not been significantly decreased, efforts have been made to understand the link between heart disease and novel therapeutic targets such as non-coding RNAs. Among multiple non-coding RNAs, long non-coding RNA (lncRNA) has emerged as a novel therapeutic in cardiovascular medicine...
2015: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/26152686/identification-of-gene-signatures-regulated-by-carvedilol-in-mouse-heart
#13
Jian-Peng Teoh, Kyoung-Mi Park, Zuzana Broskova, Felix R Jimenez, Ahmed S Bayoumi, Krystal Archer, Huabo Su, John Johnson, Neal L Weintraub, Yaoliang Tang, Il-Man Kim
Chronic treatment with the β-blocker carvedilol has been shown to reduce established maladaptive left ventricle (LV) hypertrophy and to improve LV function in experimental heart failure. However, the detailed mechanisms by which carvedilol improves LV failure are incompletely understood. We previously showed that carvedilol is a β-arrestin-biased β1-adrenergic receptor ligand, which activates cellular pathways in the heart independent of G protein-mediated second messenger signaling. More recently, we have demonstrated by microRNA (miR) microarray analysis that carvedilol upregulates a subset of mature and pre-mature miRs, but not their primary miR transcripts in mouse hearts...
September 2015: Physiological Genomics
https://www.readbyqxmd.com/read/26000464/exosomes-microvesicles-from-induced-pluripotent-stem-cells-deliver-cardioprotective-mirnas-and-prevent-cardiomyocyte-apoptosis-in-the-ischemic-myocardium
#14
Yingjie Wang, Lan Zhang, Yongjun Li, Lijuan Chen, Xiaolong Wang, Wei Guo, Xue Zhang, Gangjian Qin, Sheng-hu He, Arthur Zimmerman, Yutao Liu, Il-man Kim, Neal L Weintraub, Yaoliang Tang
BACKGROUND/OBJECTIVES: Induced pluripotent stem cells (iPS) exhibit enhanced survival and proliferation in ischemic tissues. However, the therapeutic application of iPS cells is limited by their tumorigenic potential. We hypothesized that iPS cells can transmit cytoprotective signals to cardiomyocytes via exosomes/microvesicles. METHODS: Exosomes/microvesicles secreted from mouse cardiac fibroblast (CF)-derived iPS cells (iPS-exo) were purified from conditioned medium and confirmed by electron micrograph, size distribution and zeta potential by particle tracking analyzer and protein expression of the exosome markers CD63 and Tsg101...
August 1, 2015: International Journal of Cardiology
https://www.readbyqxmd.com/read/25824147/microrna-150-protects-the-mouse-heart-from-ischaemic-injury-by-regulating-cell-death
#15
Yaoping Tang, Yongchao Wang, Kyoung-Mi Park, Qiuping Hu, Jian-Peng Teoh, Zuzana Broskova, Punithavathi Ranganathan, Calpurnia Jayakumar, Jie Li, Huabo Su, Yaoliang Tang, Ganesan Ramesh, Il-Man Kim
AIMS: Cardiac injury is accompanied by dynamic changes in the expression of microRNAs (miRs). For example, miR-150 is down-regulated in patients with acute myocardial infarction, atrial fibrillation, dilated and ischaemic cardiomyopathy as well as in various mouse heart failure (HF) models. Circulating miR-150 has been recently proposed as a better biomarker of HF than traditional clinical markers such as brain natriuretic peptide. We recently showed using the β-arrestin-biased β-blocker, carvedilol that β-arrestin1-biased β1-adrenergic receptor cardioprotective signalling stimulates the processing of miR-150 in the heart...
June 1, 2015: Cardiovascular Research
https://www.readbyqxmd.com/read/25655221/a-novel-high-throughput-approach-to-screen-for-cardiac-arrhythmic-events-following-stem-cell-treatment
#16
William Tung, Neal L Weintraub, Adam E Berman, Yaoliang Tang
Although stem cell therapy is promising for repairing damaged cardiac tissue and improving heart function, there are safety concerns, especially regarding the risk of arrhythmias, which can be life threatening. To address this issue, we propose to develop a novel screening system to evaluate arrhythmic risk associated with stem cell therapy using a high-throughput multielectrode array system that can measure conduction velocity and action potential duration in cardiomyocytes co-cultured with different types of stem cells, such as mesenchymal stem cells, skeletal myoblasts, and resident cardiac stem cells...
April 2015: Medical Hypotheses
https://www.readbyqxmd.com/read/25459138/enhancing-stem-cell-survival-in-an-ischemic-heart-by-crispr-dcas9-based-gene-regulation
#17
Alexander Pan, Neal L Weintraub, Yaoliang Tang
Ischemic heart disease has remained the number one killer around the world for over the past 20 years. While stem cell therapy has become a promising new frontier to repair the damaged heart, limited stem cell survivability post-transplantation has precluded widespread use of this therapy. Strategies to genetically modify stem cells to activate pro-survival and anti-apoptotic and anti-inflammatory pathways, such as Akt and heme oxygenase-1, have been shown to improve the lifespan of transplanted stem cells within the ischemic myocardium, but constitutive overexpression of these pathways at high levels has been shown to have side effects...
December 2014: Medical Hypotheses
https://www.readbyqxmd.com/read/24947528/transplanted-perivascular-adipose-tissue-accelerates-injury-induced-neointimal-hyperplasia-role-of-monocyte-chemoattractant-protein-1
#18
David Manka, Tapan K Chatterjee, Lynn L Stoll, Joshua E Basford, Eddy S Konaniah, Ramprasad Srinivasan, Vladimir Y Bogdanov, Yaoliang Tang, Andra L Blomkalns, David Y Hui, Neal L Weintraub
OBJECTIVE: Perivascular adipose tissue (PVAT) expands during obesity, is highly inflamed, and correlates with coronary plaque burden and increased cardiovascular risk. We tested the hypothesis that PVAT contributes to the vascular response to wire injury and investigated the underlying mechanisms. APPROACH AND RESULTS: We transplanted thoracic aortic PVAT from donor mice fed a high-fat diet to the carotid arteries of recipient high-fat diet-fed low-density lipoprotein receptor knockout mice...
August 2014: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/24944198/specific-inhibition-of-hdac4-in-cardiac-progenitor-cells-enhances-myocardial-repairs
#19
Ling X Zhang, Megan DeNicola, Xin Qin, Jianfeng Du, Julio Ma, Yu Tina Zhao, Shougang Zhuang, Paul Y Liu, Lei Wei, Gangjian Qin, Yaoliang Tang, Ting C Zhao
We have recently shown that in vivo inhibition of histone deacetylase (HDAC) stimulates endogenous myocardial regeneration in infarcted hearts (Zhang L et al. J Pharmacol Exp Ther 341: 285-293, 2012). Furthermore, our observation demonstrates that HDAC inhibition promotes cardiogenesis, which is associated with HDAC4 reduction. However, it remains unknown as to whether specific inhibition of HDAC4 modulates cardiac stem cells (CSCs) to facilitate myocardial repair and to preserve cardiac performance. c-kit(+) CSCs were isolated from adult mouse hearts and were transfected with HDAC4 siRNA to knockdown HDAC4 of c-kit(+) CSCs...
August 15, 2014: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/24925977/proinflammatory-phenotype-of-perivascular-adipocytes
#20
REVIEW
Abdullah Omar, Tapan K Chatterjee, Yaoliang Tang, David Y Hui, Neal L Weintraub
Perivascular adipose tissue (PVAT) directly abuts the lamina adventitia of conduit arteries and actively communicates with the vessel wall to regulate vascular function and inflammation. Mounting evidence suggests that the biological activities of PVAT are governed by perivascular adipocytes, a unique class of adipocyte with distinct molecular and phenotypic characteristics. Perivascular adipocytes surrounding human coronary arteries (pericoronary perivascular adipocytes) exhibit a reduced state of adipogenic differentiation and a heightened proinflammatory state, secreting ≤50-fold higher levels of the proinflammatory cytokine monocyte chemoattractant peptide-1 compared with adipocytes from other regional depots...
August 2014: Arteriosclerosis, Thrombosis, and Vascular Biology
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