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Updated: May 2, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
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Published on: May 31, 2016

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Role of Krüppel-like factor 4 and its binding proteins in vascular disease

Tadashi Yoshida1, Matsuhiko Hayashi

  • 1Apheresis and Dialysis Center, School of Medicine, Keio University.

Journal of Atherosclerosis and Thrombosis
|February 28, 2014
PubMed

Insights

Krüppel-like factor 4 (KLF4) influences vascular diseases by regulating genes in smooth muscle cells and endothelial cells. Understanding KLF4’s role is key to developing new treatments for vascular conditions.

Area of Science:

  • Molecular Biology
  • Cardiovascular Research
  • Cell Biology

Background:

  • Krüppel-like factor 4 (KLF4) is a transcription factor crucial for cell development.
  • KLF4 is present in vascular cells like smooth muscle cells (SMCs), endothelial cells, and macrophages.
  • KLF4 dysregulation is implicated in various diseases, including cancer and vascular pathologies.

Purpose of the Study:

  • To summarize the role of KLF4 in vascular disease.
  • To focus on in vivo studies investigating KLF4's function in the vasculature.
  • To review the regulatory mechanisms of KLF4-mediated gene transcription in vascular contexts.

Main Methods:

  • Review of in vivo studies on KLF4 in vascular disease.
  • Analysis of KLF4's interactions with partner proteins (e.g., SRF, ELK1, p53, RUNX2, NF-κB).
  • Examination of KLF4's effects on gene expression in vascular cells.

Main Results:

  • KLF4 modulates SMC differentiation and proliferation through interactions with SRF, ELK1, and p53.
  • KLF4 promotes arterial medial calcification in conjunction with RUNX2.
  • Endothelial KLF4 suppresses arterial inflammation by inhibiting nuclear factor-κB (NF-κB) signaling.

Conclusions:

  • KLF4 plays a multifaceted role in vascular disease progression.
  • KLF4's interactions with various proteins dictate its function in different vascular cell types.
  • Further research into KLF4 regulatory mechanisms is essential for therapeutic development in vascular diseases.

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