Abstract:
INTRODUCTION:Rap1, a member of Ras superfamily of small GTP-binding proteins, is involved in cardiovascular biology in numerous ways. It is an evolutionary conserved regulator of adhesion, polarity, differentiation and growth. AIMS:Our aim was to analyze Rap1-activated rat bone marrow mesenchymal stem cells (MSCs) for their potential role in adhesion and cardiac differentiation. METHODS:Myocardial infarction (MI) was produced in Sprague Dawley (SD) rats through occlusion of the left anterior descending coronary artery. MSCs were treated with 8-pCPT-2'-O-Me-cAMP (CPT) to activate Rap1. Normal (untreated) and CPT-treated MSCs were transplanted through intramyocardial injection in respective groups. Cardiac function was assessed by echocardiography at 2 and 4 weeks after cell transplantation. Histological analysis was performed to observe changes at tissue level. RESULTS:Homing of CPT-treated MSCs was significantly (***P<.001) higher as compared to normal MSCs in the infarcted hearts. This may be due to increase in the gene expression of some of the cell adhesion molecules as evident by qRT-PCR analysis. Significant (***P<.001) improvement in the restoration of heart function in terms of left ventricular diastolic and systolic internal diameters (LVIDd, LVIDs), % ejection fraction, % fraction shortening and end-systolic and end-diastolic volumes were observed in CPT-treated MSCs as compared to the MI model. Histological analyses showed significant (***P<.001) reduction in scar formation in the CPT-treated group. Differentiation of treated MSCs into functional cardiomyocytes was evident through immunohistochemical staining. LV wall thickness was also preserved significantly (***P<.001). Blood vessel formation was more pronounced in CPT-treated group although both cell therapy groups showed significant increase as compared to MI model. CONCLUSION:Our findings showed that pharmacological activation of Epac-Rap1 improves cardiac function through better survival, adhesion and differentiation of transplanted cells. Transplantation of these MSCs in the infarct area restored functional myocardium.
journal_name
Cardiovasc Therjournal_title
Cardiovascular therapeuticsauthors
Khan I,Ali A,Akhter MA,Naeem N,Chotani MA,Iqbal H,Kabir N,Atiq M,Salim Adoi
10.1111/1755-5922.12248subject
Has Abstractpub_date
2017-04-01 00:00:00issue
2eissn
1755-5914issn
1755-5922journal_volume
35pub_type
杂志文章abstract::This study aimed to investigate the correlation between complement C1q tumor necrosis factor-related protein 1 (CTRP1) and subclinical target organ damage (STOD) in essential hypertension (EH). 720 patients were enrolled in this study, including 360 healthy subjects and 360 patients with EH. The EH group included 183 ...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
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abstract::Atrial fibrillation (AF) is very common within the first 5 days of cardiac surgery. It is associated with significant morbidity including stroke, ventricular arrhythmias, myocardial infarction, heart failure, acute kidney injury, prolonged hospital stay, and also short- and long-term mortality. The underlying mechanis...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,随机对照试验
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journal_title:Cardiovascular therapeutics
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doi:10.1111/1755-5922.12111
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
doi:10.1111/1755-5922.12193
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,随机对照试验
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,多中心研究
doi:10.1111/1755-5922.12237
更新日期:2017-04-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1755-5922.2009.00087.x
更新日期:2009-10-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1755-5922.2008.00070.x
更新日期:2009-04-01 00:00:00
abstract:INTRODUCTION:Nonadherence to secondary preventative medications after stroke is common and is associated with poor outcomes. Numerous strategies exist to promote adherence. We performed a systematic review and meta-analysis to describe the efficacy of strategies to improve adherence to stroke secondary prevention. MET...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,meta分析,评审
doi:10.1111/1755-5922.12176
更新日期:2016-04-01 00:00:00
abstract:AIM:This study was designed to explore the mechanism of physiological ischemic training (PIT) on remote limbs, with a special focus on the potential role of endothelial progenitor cells (EPCs), vascular endothelial growth factor (VEGF), and nitric oxide (NO) in local ischemic myocardium. METHOD:Myocardial ischemia (MI...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
doi:10.1111/1755-5922.12257
更新日期:2017-06-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1155/2020/1743927
更新日期:2020-06-18 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
doi:10.1111/1755-5922.12459
更新日期:2018-10-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
doi:10.1111/1755-5922.12046
更新日期:2013-12-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1111/1755-5922.12327
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/1755-5922.12436
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pub_type: 杂志文章,评审
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更新日期:2011-06-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,meta分析
doi:10.1155/2020/2601340
更新日期:2020-04-18 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/1755-5922.12105
更新日期:2015-04-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/1755-5922.12301
更新日期:2017-12-01 00:00:00
abstract:AIM:Cardiac hypertrophy and myocardial fibrosis significantly contribute to the pathogenesis of diabetic cardiomyopathy (DCM). Altered expression of several genes and their regulation by microRNAs has been reported in hypertrophied failing hearts. This study aims to examine the role of Cdc42, Pak1, and miR-30c in the p...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
doi:10.1111/1755-5922.12113
更新日期:2015-06-01 00:00:00
abstract:INTRODUCTION:Options for a pharmacological cardioversion (CV) of short-duration atrial fibrillation (AF) in patients with a stable coronary artery disease (CAD) are limited to amiodarone or vernakalant. Antazoline has been reported to achieve high rates of AF conversion to sinus rhythm, but data on its effectiveness an...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
doi:10.1111/1755-5922.12469
更新日期:2018-12-01 00:00:00
abstract::There is increasing evidence to suggest that chronic heart failure (CHF) is an insulin resistant (IR) state and that the degree of IR correlates with the severity and mortality of CHF. The pathophysiology of IR in CHF has yet to be fully defined. Additionally, it remains to be determined if IR is merely a marker refle...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1755-5922.2008.00053.x
更新日期:2008-10-01 00:00:00
abstract:AIM:Data evaluating the complications of pulmonary vein isolation (PVI) using second-generation cryoballoons (CB) related to different anticoagulation regimes are limited. This study evaluates the total complications and the impact of novel oral anticoagulants (NOACs) compared to phenprocoumon on adverse events in the ...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章
doi:10.1111/1755-5922.12178
更新日期:2016-06-01 00:00:00
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journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1755-5922.2010.00151.x
更新日期:2011-10-01 00:00:00
abstract::Clopidogrel is an inhibitor of the ADP receptor P2Y12 and platelet aggregation. It is widely used for the management of atherothrombotic disease in patients who have experienced severe vascular events such as stroke or myocardial infarction or with peripheral artery disease. However, some patients show "resistance" to...
journal_title:Cardiovascular therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1755-5922.2010.00202.x
更新日期:2011-12-01 00:00:00