Mechanistic study of ARHGAP27 promoting the progression of aortic dissection by regulating the RhoA/ROCK/YAP pathway - Report - MDSpire

Mechanistic study of ARHGAP27 promoting the progression of aortic dissection by regulating the RhoA/ROCK/YAP pathway

  • By

  • Zijie Wang

  • Jing Tao

  • Yining Yang

  • July 10, 2026

  • 0 min

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Clinical Report: Investigation of ARHGAP27's Role in Aortic Dissection Progression

Overview

This study investigates the role of ARHGAP27 in aortic dissection (AD) progression through the RhoA/ROCK/YAP signaling pathway. Findings indicate that ARHGAP27 is upregulated in AD and promotes vascular smooth muscle cell (VSMC) survival, migration, and invasion.

Background

Aortic dissection is a critical cardiovascular emergency characterized by a tear in the aorta's intimal layer, leading to potentially fatal complications. Understanding the molecular mechanisms involved in AD, such as the role of ARHGAP27, is essential.

Data Highlights

ARHGAP27 was significantly upregulated in AD tissue and cell models. Overexpression of ARHGAP27 enhanced VSMC survival, migration, and invasion, while knockdown produced opposite effects. PDGF-BB downregulated RhoA and ROCK1/2, while upregulating YAP phosphorylation.

Key Findings

  • ARHGAP27 is significantly upregulated in aortic dissection tissues.
  • Overexpression of ARHGAP27 promotes VSMC survival, migration, and invasion.
  • Knockdown of ARHGAP27 inhibits VSMC survival and migration.
  • PDGF-BB affects the expression of RhoA, ROCK1/2, and YAP in VSMCs.
  • LPA treatment reverses the effects of ARHGAP27 overexpression.

Clinical Implications

The findings indicate the role of ARHGAP27 in VSMC behavior.

Conclusion

ARHGAP27 plays a significant role in the progression of aortic dissection by modulating the RhoA/ROCK/YAP signaling pathway.

Related Resources & Content

  1. Frontiers in Cardiovascular Medicine, 2026 -- Exploratory machine learning analysis to characterize angioscopic features associated with atherosclerosis-related aortic dissection
  2. Clinical Research in Cardiology, 2025 -- Progression of Abdominal Aortic Aneurysms: An Overview of Clinical and Preclinical Evidence
  3. Basic Research in Cardiology, 2018 -- Raf Kinase Inhibitor Protein's Role in Myocardial Fibrosis During Increased Oxidative Stress Conditions
  4. 2026 Descending Thoracic Aorta Guidelines | ESVS
  5. Journal of Gastroenterology — The Role of YAP and the Hippo Signaling Pathway in Cholangiocarcinoma
  6. 2026 Descending Thoracic Aorta Guidelines | ESVS
  7. Endovascular Repair in High-Risk Uncomplicated Type B Aortic Dissection: A Systematic Review and Single-Arm Meta-Analysis - PubMed
  8. Downregulation of RhoA/ROCK1/YAP/F-actin causing decreased aortic smooth muscle cell stiffness promotes aortic dissection formation

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