The Long Noncoding RNA Landscape of the Ischemic Human Left Ventricle

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The Long Noncoding RNA Landscape of the Ischemic Human Left Ventricle

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Title: The Long Noncoding RNA Landscape of the Ischemic Human Left Ventricle
Author: Saddic, Louis A.; Sigurdsson, Martin I.; Chang, Tzuu-Wang; Mazaika, Erica; Heydarpour, Mahyar; Shernan, Stanton K.; Seidman, Christine Edry; Seidman, Jonathan G.; Aranki, Sary Fouad; Body, Simon Christopher; Muehlschlegel, Jochen Daniel

Note: Order does not necessarily reflect citation order of authors.

Citation: Saddic, Louis A., Martin I. Sigurdsson, Tzuu-Wang Chang, Erica Mazaika, Mahyar Heydarpour, Stanton K. Shernan, Christine E. Seidman, et al. 2017. “The Long Noncoding RNA Landscape of the Ischemic Human Left Ventricle.” Circulation: Cardiovascular Genetics 10 (1) (January): e001534. doi:10.1161/circgenetics.116.001534.
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Abstract: Background—The discovery of functional classes of long noncoding RNAs (lncRNAs) has expanded our understanding of the variety of RNA species that exist in cells. In the heart, lncRNAs have been implicated in the regulation of development, ischemic and dilated cardiomyopathy, and myocardial infarction. Nevertheless, there is a limited description of expression profiles for these transcripts in human subjects. Methods and Results—We obtained left ventricular tissue from human patients undergoing cardiac surgery and used RNA sequencing to describe a lncRNA profile. We then identified a list of lncRNAs that were differentially expressed between pairs of samples before and after the ischemic insult of cardiopulmonary bypass. The expression of some of these lncRNAs correlates with ischemic time. Coding genes in close proximity to differentially expressed lncRNAs as well as coding genes that have coordinated expression with these lncRNAs are enriched in functional categories related to myocardial infarction including: heart function, metabolism, the stress response, and the immune system. Conclusions—We describe a list of lncRNAs that are differentially expressed after ischemia in the human heart. These genes are predicted to function in pathways consistent with myocardial injury. As a result, lncRNAs may serve as novel diagnostic and therapeutic targets for ischemic heart disease.
Published Version: doi:10.1161/CIRCGENETICS.116.001534
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