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October 18, 2019Cardiovascular ResearchOpen Access

Notch1 suppression by microRNA-34a: a new mechanism of calcific aortic valve disease

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Key result

This editorial highlights that microRNA-34a suppresses Notch1 expression to promote calcific aortic valve disease, presenting a novel pathogenic mechanism and potential therapeutic target.

Why the study?

Early signals prompting quiescent valve interstitial cells to transition to disease-associated phenotypes in calcific aortic valve disease remain unknown, and though NOTCH1 mutations cause calcification, such mutations are very rare.

Design

Editorial

Authors

MRMichael A. RaddatzInterventional / Structural CardiologyMRMark Vander RoestWMW. David MerrymanVanderbilt University

Discussion

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Implication

miR-34a inhibition may offer a CAVD drug target; hypothesis-generating in mice and leaves open human translation.

Structured PICO

P
Population
Human calcific aortic valve disease (CAVD) specimens, porcine valve interstitial cells (VICs) treated with osteogenic medium, and a murine wire-injury model of CAVD
I
Intervention
microRNA-34a (miR-34a) mimic and locked nucleic acid (LNA) miR-34a inhibitor

This editorial highlights the discovery that miR-34a suppresses Notch1 expression to promote calcific aortic valve disease, suggesting that targeting miR-34a or downstream pathways could offer novel pharmacological treatments for CAVD.

Cite This Study

Raddatz et al. (2019) conducted an editorial in Calcific aortic valve disease. microRNA-34a inhibition was evaluated. This editorial highlights that microRNA-34a suppresses Notch1 expression to promote calcific aortic valve disease, presenting a novel pathogenic mechanism and potential therapeutic target.

synapsesocial.com/papers/6a9a1bb1352e687f024d4072https://doi.org/10.1093/cvr/cvz280

Topics

Valvular heart disease
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Therapeutic inhibition of microRNA-34a ameliorates aortic valve calcification via modulation of Notch1-Runx2 signalling2019 · 59 citations
  2. 2Notch1 Mutation Leads to Valvular Calcification Through Enhanced Myofibroblast Mechanotransduction2015 · 56 citations
  3. 3Altered DNA Methylation of Long Noncoding RNA <i>H19</i> in Calcific Aortic Valve Disease Promotes Mineralization by Silencing <i>NOTCH1</i>2016 · 231 citations
  4. 4Cadherin-11 Regulates Cell–Cell Tension Necessary for Calcific Nodule Formation by Valvular Myofibroblasts2012 · 96 citations
  5. 5Sex differences in response to miRNA‐34a therapy in mouse models of cardiac disease: identification of sex‐, disease‐ and treatment‐regulated miRNAs2016 · 50 citations