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Related Experiment Videos

Is extravasation a Fas-regulated process?

K Walsh1, M Sata

  • 1Sackler School of Biomedical Sciences, Tufts University School of Medicine, Boston, MA 02135, USA. kwalsh@opal.tufts.edu

Molecular Medicine Today
|April 14, 1999
PubMed
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Endothelial cells lining blood vessels express functional Fas ligand (FasL), a molecule that can induce cell death. This discovery offers potential new treatments for vascular diseases involving inflammatory cell infiltration.

Area of Science:

  • Vascular Biology
  • Immunology
  • Cell Death Signaling

Background:

  • The endothelium regulates critical vascular functions, including leukocyte extravasation.
  • Endothelial cells form a barrier controlling the passage of immune cells into tissues.
  • Leukocyte extravasation is implicated in vascular diseases like atherosclerosis and angiogenesis.

Purpose of the Study:

  • To review the role of vascular endothelium in controlling leukocyte extravasation.
  • To illustrate how endothelial Fas ligand (FasL) expression regulates this process.
  • To explore the therapeutic potential of targeting endothelial FasL in vascular diseases.

Main Methods:

  • Review of existing literature on endothelial function and FasL signaling.
  • Analysis of the mechanisms by which endothelial FasL influences leukocyte behavior.

Related Experiment Videos

  • Discussion of the implications of FasL in angiogenesis and atherosclerosis.

    • Main Results:

    • Functional Fas ligand (FasL) expression was detected on the endothelial lining of blood vessels.
    • FasL induces apoptotic cell death in cells expressing its receptor, Fas.
    • Endothelial FasL regulation is proposed as a key factor in controlling leukocyte extravasation.

    Conclusions:

    • Endothelial FasL plays a significant role in regulating leukocyte extravasation.
    • Targeting endothelial FasL, potentially through gene transfer, may offer novel therapeutic strategies for proliferative and inflammatory vascular diseases.
    • Understanding endothelial FasL function is crucial for developing treatments for atherosclerosis and other conditions involving inflammatory cell infiltration.