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Changes in cardiac transcription profiles following off-pump coronary revascularization surgery

ABSTRACT: To investigate changes in cardiac transcription profiles caused by off-pump cardiac surgery, we collected myocardial samples, prior and after grafting, from patients undergoing off-pump coronary revascularization surgery. The transcriptional profile of the mRNA in these samples was measured with gene array technology. Changes in transcriptional profiles can be correlated with the stress response of heart to off-pump surgery. Keywords: human, cardiac, OPCAB coronary surgery, gene expression.

ORGANISM(S): Homo sapiens

PROVIDER: GSE12485 | GEO | 2010/06/22

SECONDARY ACCESSION(S): PRJNA114215

REPOSITORIES: GEO

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Hearts after off-pump coronary revascularization surgery and on-pump coronary artery bypass grafting

Project description:This SuperSeries is composed of the following subset Series: GSE12485: Changes in cardiac transcription profiles following off-pump coronary revascularization surgery GSE12486: Changes in cardiac transcription profiles following on-pump coronary artery bypass grafting Refer to individual Series

2010-07-07 | E-GEOD-12504 | biostudies-arrayexpress

Changes in cardiac transcription profiles following off-pump coronary revascularization surgery

Project description:To investigate changes in cardiac transcription profiles caused by off-pump cardiac surgery, we collected myocardial samples, prior and after grafting, from patients undergoing off-pump coronary revascularization surgery. The transcriptional profile of the mRNA in these samples was measured with gene array technology. Changes in transcriptional profiles can be correlated with the stress response of heart to off-pump surgery. Keywords: human, cardiac, OPCAB coronary surgery, gene expression. Myocardial samples were collected, prior and after grafting, from patients undergoing off-pump coronary artery bypass grafting.

2010-07-07 | E-GEOD-12485 | biostudies-arrayexpress

Changes in cardiac transcription profiles following on-pump coronary artery bypass grafting

Project description:To investigate changes in cardiac transcription profiles caused by on-pump cardiac surgery, we collected myocardial samples, prior and after grafting, from patients undergoing on-pump coronary artery bypass grafting with cardiopulmonary bypass and cardiac arrest. The transcriptional profile of the mRNA in these samples was measured with gene array technology. Changes in transcriptional profiles can be correlated with the stress response of heart to surgery, cardiopulmonary bypass and cardiac arrest. Keywords: human, cardiac, CABG coronary surgery, gene expression, cardiopulmonary bypass. Myocardial samples were collected, prior and after grafting, from patients undergoing on-pump coronary artery bypass grafting with cardiopulmonary bypass and cardiac arrest.

2010-07-07 | E-GEOD-12486 | biostudies-arrayexpress

Changes in cardiac transcription profiles following on-pump coronary artery bypass grafting

2010-06-22 | GSE12486 | GEO

Plasma Circular RNAs, Hsa_circRNA_025016, Predicts Postoperative Atrial Fibrillation After Isolated Off-Pump Coronary Artery Bypass Grafting

Project description:Rationale: Circular RNAs are pervasively expressed in highly diverged eukaryotes. Circular RNAs are more stable in body fluids, however, the link between circular RNA and onset of atrial fibrillation has never been investigated. Objective: To identify plasma circular RNAs for diagnosing onset of atrial fibrillation after the cardiac surgery. Methods and Results: Plasma circular RNAs expression was investigated in participants underwent isolated off-pump coronary artery bypass grafting. First, we used microarray to screen 15 circular RNAs in 30 plasma samples for diagnosing new onset of atrial fibrillation. Quantitative polymerase chain reaction assay was then applied to evaluate the expression of selected circular RNAs. Hsa_circRNA_025016 was upregulated in patients with onset of atrial fibrillation, with a high diagnostic accuracy by area under the receiver operating characteristic curve. The satisfactory diagnostic performance of hsa_circRNA_025016 persisted in validation cohort. Kyoto Encyclopedia of Genes and Genomes biological pathway analysis indicated that hsa_circ_025016 could participate in melanogenesis, insulin secretion, and thyroid hormone signaling pathway. There was a positive correlation between hsa_circ_025016 and fast blood glucose in both cohorts. Conclusions: Hsa_circ_025016 is a novel biomarker of onset of atrial fibrillation after isolated off-pump coronary artery bypass grafting.

2017-04-07 | GSE97455 | GEO

Project description:Hearts after off-pump coronary revascularization surgery and on-pump coronary artery bypass grafting

| PRJNA113251 | ENA

Remote ischemic preconditioning in on-pump coronary artery bypass graft surgery

2012-10-12 | GSE29396 | GEO

Transcriptomics in cardiac surgery

2007-01-01 | GSE4386 | GEO

Transcription profiling of human atrial tissue from patients undergoing coronary artery bypass graft surgery to determine the effect of anesthesia on gene expression

Project description:Anesthetic gases elicit organ protection in patients undergoing coronary artery bypass graft (CABG) surgery. This study aimed at identifying myocardial transcriptional phenotypes and anesthetic-induced changes in gene expression to predict cardiovascular biomarkers and cardiac function after off-pump CABG. Experiment Overall Design: Patients scheduled for off-pump CABG were randomized into a group with the anesthetic gas sevoflurane (n=10) or the intravenous anesthetic propofol (n=10). Atrial samples were collected at the beginning and end of bypass surgery to determine gene expression profiles.

2008-11-22 | E-GEOD-4386 | biostudies-arrayexpress

Remote ischemic preconditioning in on-pump coronary artery bypass graft surgery

Project description:In this placebo-controlled randomized controlled trial, we tested whether remote ischemic preconditioning (RIPC) elicited by four 5-minute cycles of 300 mmHg of cuff inflation/deflation of the lower limb would reduce myocardial necrosis in isoflurane-anesthetized patients undergoing on-pump coronary artery bypass graft surgery. Secondary outcomes were the perioperative release of the biomarkers NTproBNP, hsCRP, S100, atrial transcriptional profiles, and short- and long-term clinical outcomes. RIPC with concomitantly applied isoflurane did not affect the release of biomarkers or clinical outcome. NTproBNP release correlated with isoflurane- but not RIPC-induced transcriptional changes. For eleven randomly selected patients from each group (RIPC/CTL=no RIPC) two atrial samples were collected, one at the time of cannulation (T1) and one fifteen min after releasing the cross clamp (T2). The samples were immediately frozen in liquid nitrogen and later used for RNA isolation and subsequent microarray hybridization. Gene-level analysis was performed. the results of exon-level analysis will be published separately (only preliminary results available so far).

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