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October 9, 2025Circulation Research

Abstract Thu114: TRPV4 Contributes to Valve Stiffening, Cell Heterogeneity, and Transcriptional Reprogramming in Aortic Valve Stenosis

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Authors

SRSuneha G. RahamanBDBidisha DuttaSRShaik O. Rahaman

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Overview

This analysis reveals that TRPV4 impacts matrix stiffness and cellular behavior in aortic valve stenosis, suggesting potential therapeutic targets.

Key Points

  • TRPV4 contributes to increased stiffness in aortic valve tissues, highlighting its role in aortic valve stenosis.
  • Expression levels of TRPV4, CD68+ macrophages, and alpha-SMA+ myofibroblasts were significantly higher in aortic valve stenosis patients than in healthy controls.
  • Using a murine model demonstrated that TRPV4 deficiency resulted in significantly reduced valve stiffness after a high-fat diet.
  • Single-nucleus RNA sequencing revealed that TRPV4 regulates transcriptional dynamics across multiple cell types in aortic valve tissues.

Cite This Study

Rahaman et al. (2025) studied this question.

synapsesocial.com/papers/68e80eb363e2e2f707877df0https://doi.org/10.1161/res.137.suppl_1.thu114
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Also Consider

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

  1. 1Abstract Thu115: TRPV4 Regulates Aortic Root Stiffening, Cell Heterogeneity, and Transcriptional Dynamics in Atherosclerosis2025
  2. 2Mechanical Regulation of Transient Receptor Potential Vanilloid 4 Function in Aging and Cardiovasculature Disease2026
  3. 3Spatial transcriptomic profiling of the human aortic valve reveals cellular sex differences near sites of calcification2025 · 2 citations
  4. 4Mapping the Proteomic Landscape of Congenital Aortic Valve Stenosis Using a Notch1;Gata5 Mutant Mouse Model2025
  5. 5Spatial and Single-Cell Mapping Reveals Valvular Interstitial Cell and Macrophage Sex Differences in Calcific Aortic Valve Disease2026 · 3 citations