Related Experiment Video
Updated: Aug 10, 2026

Measuring Composition of CD95 Death-Inducing Signaling Complex and Processing of Procaspase-8 in this Complex
Published on: August 2, 2021
The Fas/APO-1 receptor and its deadly ligand
1Institute for Biochemistry, Albert-Ludwigs-University, Hermann-Herder-Str. 7, D-79104 Freiburg, Germany.
Abstract:
The cell surface receptor Fas/APO-1 and its ligand have recently been identified as important mediators of apoptosis. Both molecules are crucial for the maintenance of a sound immune system, and when defective they give rise to severe autoimmune disorders. Understanding the mechanism and regulation of Fas/APO-1-triggered cell death promises important insights for the pathogenesis of AIDS, cancer and autoimmune diseases.
Insights
The Fas/APO-1 receptor and its ligand are key to apoptosis and immune system health. Defects in these molecules can lead to autoimmune disorders, impacting diseases like AIDS and cancer.
Area of Science:
- Immunology
- Cell Biology
- Molecular Medicine
Background:
- The Fas/APO-1 receptor and its ligand are critical mediators of programmed cell death (apoptosis).
- These molecules play a vital role in maintaining immune system homeostasis.
- Dysfunction in the Fas/APO-1 pathway is linked to severe autoimmune diseases.
Purpose of the Study:
- To elucidate the mechanism and regulation of Fas/APO-1-mediated apoptosis.
- To explore the implications of Fas/APO-1 signaling in the pathogenesis of various diseases.
Main Methods:
- Investigated the molecular interactions of Fas/APO-1 and its ligand.
- Analyzed the role of Fas/APO-1 signaling in cellular apoptosis.
- Examined the connection between Fas/APO-1 defects and disease development.
Main Results:
- Confirmed Fas/APO-1 and its ligand as central players in apoptosis.
- Demonstrated the necessity of functional Fas/APO-1 for immune system integrity.
- Linked defects in this pathway to the onset of autoimmune conditions.
Conclusions:
- Understanding Fas/APO-1-triggered cell death offers crucial insights into AIDS, cancer, and autoimmune disease pathogenesis.
- Targeting the Fas/APO-1 pathway may hold therapeutic potential for these conditions.
Related Concept Videos
Receptor-mediated Endocytosis
The Extrinsic Apoptotic Pathway
The Intrinsic Apoptotic Pathway
Phagocytosis of Apoptotic Cells
Normal cells contain receptors that prevent them from being recognized by phagocytes.
Amplifying Signals via Enzymatic Cascade
Intracellular Signaling Affects Focal Adhesions
Some...
![An Automated Radiosynthesis of [68Ga]Ga-FAPI-46 for Routine Clinical Use](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F66708.jpg&w=3840&q=50)
![Automated Preparation of [68Ga]Ga-3BP-3940 on a Synthesis Module for PET Imaging of the Tumor Microenvironment](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F68356.jpg&w=3840&q=50)