Research Progress on the Regulation of Pulmonary Hypertension by the NOTCH3 Signaling Pathway

Zhenming Huang1,2, Yi Deng2, Jie Zeng2

  • 1From the Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China.

Cardiology in Review
|July 21, 2026
PubMed

Insights

Pulmonary hypertension (PH) involves NOTCH3 pathway dysregulation. Understanding NOTCH3's role in vascular remodeling is crucial for developing new PH therapeutics and improving patient outcomes.

Area of Science:

  • Cardiovascular Biology
  • Molecular Signaling
  • Pulmonary Medicine

Background:

  • Pulmonary hypertension (PH) presents significant challenges due to high mortality, early onset, and limited treatment options.
  • The NOTCH3 signaling pathway, known for its context-dependent oncogenic or tumor-suppressive roles, is implicated in cardiovascular disorders.
  • Emerging evidence links NOTCH3 pathway dysregulation to the pathophysiology and inflammation underlying PH.

Purpose of the Study:

  • To review the origins and fundamental aspects of the NOTCH signaling pathway.
  • To summarize the multifaceted involvement of NOTCH3 signaling in PH pathogenesis, focusing on vascular remodeling and biological functions.
  • To provide a theoretical basis for advancing PH research and developing targeted pharmaceutical interventions.

Main Methods:

  • Literature review focusing on NOTCH signaling pathways.
  • Analysis of existing research on NOTCH3's role in cardiovascular diseases, particularly PH.
  • Synthesis of findings related to vascular remodeling mechanisms and biological functions in PH.

Main Results:

  • The NOTCH3 signaling pathway is closely associated with pulmonary hypertension.
  • Dysregulation of NOTCH3 contributes to vascular remodeling processes in PH.
  • Current understanding of NOTCH3's precise mechanisms and therapeutic targeting in PH remains incomplete.

Conclusions:

  • NOTCH3 signaling pathway dysregulation is a key factor in pulmonary hypertension development.
  • Further research into NOTCH3's mechanisms is essential for novel therapeutic strategies.
  • Targeting the NOTCH3 pathway holds promise for future PH drug development.

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