Unknown,Transcriptomics,Genomics,Proteomics

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MiRNA profiling in the plasma of patients with acute myocardial infarction (AMI)


ABSTRACT: Studies of miRNA profiling in the plasma of AMI patients with Left ventricular end diastolic volume (LVEDV) increase or LVEDV decrease between discharge and follow-up Venous blood was collected in citrated tubes prior discharge. Plasma was harvested by centrifugation and stored at -80°C until assayed. Identical volumes of plasma from the 30 patients of a group (LVEDV increase or LVEDV decrease) were pooled to reach a final volume of 400µL for each group. The two pools were processed conjointly. Total RNA was extracted using miRVana isolation kit (Applied Biosystems), dephosphorylated and labeled using miRNA Complete Labeling and hybridization kit (Agilent). Hybridization was performed on miRNA Human Microarray Release 12.0 slides (Agilent). 4 arrays per pool were hybridized. Scanning was achieved with the Genepix 4000B Scanner (Molecular Devices, Sunnyvale, USA). Raw data were acquired with the Genepix Pro software (Molecular Devices).

ORGANISM(S): Homo sapiens

SUBMITTER: Yvan Devaux 

PROVIDER: E-GEOD-34571 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

MicroRNA-150: a novel marker of left ventricular remodeling after acute myocardial infarction.

Devaux Yvan Y   Vausort Melanie M   McCann Gerry P GP   Zangrando Jennifer J   Kelly Dominic D   Razvi Naveed N   Zhang Lu L   Ng Leong L LL   Wagner Daniel R DR   Squire Iain B IB  

Circulation. Cardiovascular genetics 20130401 3


<h4>Background</h4>Left ventricular (LV) remodeling after acute myocardial infarction is associated with adverse prognosis. MicroRNAs (miRNAs) regulate the expression of several genes involved in LV remodeling. Our aim was to identify miRNAs associated with LV remodeling after acute myocardial infarction.<h4>Methods and results</h4>We studied 90 patients after first ST-segment-elevation acute myocardial infarction. A derivation cohort consisted of 60 patients characterized by echocardiography pr  ...[more]

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