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ABSTRACT microRNAs (miRNAs) have a key role in regulating inflammation, vascular health and in turn, cardiovascular disease. Specifically, altered circulating expression of miR-17, miR-21,
miR-34a, miR-92a, miR-126, miR-145, miR-146a, and miR-150 has been linked with the pathogenesis and progression of cardiovascular disease. The aim of this study was to determine whether the
circulating profile of these vascular-related miRNAs is disrupted with hypertension. Thirty sedentary, middle-aged adults were studied: 15 normotensive (10M/5F; age: 56 ± 1 year; BP: 113/71
± 2/1 mmHg) and 15 hypertensive (10M/5F; 56 ± 2 year; 140/87 ± 2/2 mmHg). All subjects were non-obese and free of other cardiometabolic disorders. Circulating miRNAs were determined in
plasma using standard RT-PCR techniques with miRNA primers of interest. Expression was normalized to exogenous _C. elegans_ miR-39 and reported as relative expression in arbitrary units
(AU). Circulating expression of miR-34a (9.18 ± 0.94 vs 5.33 ± 0.91 AU) was higher (~170%; _P_ < 0.01) whereas the expression of miR-21 (1.32 ± 0.25 vs 2.50 ± 0.29 AU), miR-126 (0.85 ±
0.10 vs 1.74 ± 0.27 AU) and miR-146a (1.50 ± 0.20 vs 3.10 ± 0.50 AU) were markedly lower (~50%, ~55%, and ~55% respectively; _P_ < 0.05) in the hypertensive vs normotensive groups.
Moreover, circulating levels of miR-34a, miR-21, and miR-126 were significantly related to systolic blood pressure (_r_ = 0.48, _r_ = −0.38; _r_ = −0.48); whereas, miR-146a was significantly
related to both systolic (_r_ = −0.58) and diastolic (_r_ = −0.55) blood pressure. There were no significant group differences in circulating miR-17, miR-92a, miR-145, and miR-150. In
summary, these results suggest that hypertension, independent of other cardiometabolic risk factors, adversely affects the circulating profile of a subset of vascular-related miRNAs that
have been link to CVD risk and development. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution ACCESS OPTIONS Access
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institutional subscriptions * Read our FAQs * Contact customer support SIMILAR CONTENT BEING VIEWED BY OTHERS TRANSCRIPTOME ANALYSIS OF ARTERIAL AND VENOUS CIRCULATING MIRNAS DURING
HYPERTENSION Article Open access 10 February 2021 BLOOD LEVELS OF MICRORNAS ASSOCIATED WITH ISCHEMIC HEART DISEASE DIFFER BETWEEN AUSTRIANS AND JAPANESE: A PILOT STUDY Article Open access 12
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progression. Pathol Oncol Res 2017;1–9. Download references ACKNOWLEDGEMENTS We would like to thank all subjects who participated in this study and the University of Colorado Boulder,
Clinical and Translational Research Center clinical staff for their assistance. FUNDING This study was supported by the National Institutes of Health awards HL131458, HL135598, and NIH/NCATS
UL1 TR001082. AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Integrative Vascular Biology Laboratory, Department of Integrative Physiology, University of Colorado, Boulder, CO, 80309, USA
Jamie G. Hijmans, Kyle J. Diehl, Tyler D. Bammert, Philip J. Kavlich, Grace M. Lincenberg, Jared J. Greiner, Brian L. Stauffer & Christopher A. DeSouza * Department of Medicine, Anschutz
Medical Center, University of Colorado, Denver, CO, 80262, USA Brian L. Stauffer & Christopher A. DeSouza * Denver Health Medical Center, Denver, CO, 80204, USA Brian L. Stauffer
Authors * Jamie G. Hijmans View author publications You can also search for this author inPubMed Google Scholar * Kyle J. Diehl View author publications You can also search for this author
inPubMed Google Scholar * Tyler D. Bammert View author publications You can also search for this author inPubMed Google Scholar * Philip J. Kavlich View author publications You can also
search for this author inPubMed Google Scholar * Grace M. Lincenberg View author publications You can also search for this author inPubMed Google Scholar * Jared J. Greiner View author
publications You can also search for this author inPubMed Google Scholar * Brian L. Stauffer View author publications You can also search for this author inPubMed Google Scholar *
Christopher A. DeSouza View author publications You can also search for this author inPubMed Google Scholar CORRESPONDING AUTHOR Correspondence to Christopher A. DeSouza. ETHICS DECLARATIONS
CONFLICT OF INTEREST The authors declare that they have no conflict of interest. RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Hijmans, J.G., Diehl,
K.J., Bammert, T.D. _et al._ Association between hypertension and circulating vascular-related microRNAs. _J Hum Hypertens_ 32, 440–447 (2018). https://doi.org/10.1038/s41371-018-0061-2
Download citation * Received: 09 January 2018 * Revised: 08 February 2018 * Accepted: 15 February 2018 * Published: 04 April 2018 * Issue Date: June 2018 * DOI:
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