Novel myocardial markers GADD45G and NDUFS5 identified by RNA-sequencing predicts left ventricular reverse remodeling in advanced non-ischemic heart failure: a retrospective cohort study.

BMC Cardiovascular Disorders
Togo IwahanaYoshio Kobayashi

Abstract

Left ventricular reverse remodeling (LVRR) has been detected in non-ischemic dilated cardiomyopathy (NIDCM) patients following optimal treatment. However, its prediction with only conventional modalities is often difficult. This study sought to examine whether RNA sequencing (RNA-seq) of myocardium tissue samples could predict LVRR in NIDCM. A total of 17 advanced NIDCM patients with left ventricular ejection fraction (LVEF) below 30% who underwent cardiac biopsy from Left ventricle (LV) were prospectively recruited. They received optimal treatment and followed with echocardiogram every 6 months. Based on LVRR status after 12 months of treatment, patients were divided into the reverse remodeling (RR) or non-RR group. Tissue samples were analyzed by RNA-seq, and a functional analysis of differentially expressed genes was carried out. There were eight and nine patients in the RR and non-RR groups, respectively. No difference was found in age, sex, disease duration, LV end-diastolic diameter, and LVEF between the two groups. There were 155 genes that were differentially expressed between the two groups. Nicotinamide adenine dinucleotide ubiquinone oxidoreductase subunit (NDUF)S5 and Growth arrest and DNA-damage-inducible protein (...Continue Reading

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Datasets Mentioned

BETA
PRJDB5368

Methods Mentioned

BETA
RNA-seq
biopsy
PCA
PCR

Software Mentioned

R
TopHat
Cufflinks
STATA

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