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Updated: Nov 29, 2025

Mitigation of Blood Borne Cell Attachment to Metal Implants through CD47-Derived Peptide Immobilization
Published on: December 3, 2020
CD47 (Cluster of differentiation 47): an anti-phagocytic receptor with a multitude of signaling functions
Pascal Leclair1, Chinten James Lim1
1Department of Pediatrics, University of British Columbia, and, Michael Cuccione Childhood Cancer Research Program, B.C. Children's Hospital Research Institute, Vancouver, Canada.
Abstract:
CD47 is a tumor-associated antigen best known for its ability to bind counter-receptors on the surface of professional phagocytes as an immune-evasion strategy. Recently, CD47 has been shown to play a role as a signaling receptor, involving a number of cell physiological processes. This review provides a comprehensive survey of the signaling pathways triggered by CD47 ligand-mediated cell death in tumor cells. Such an understanding should lead to improvement of CD47-targeted anti-tumor therapeutics able to both neutralize the anti-phagocytic role and trigger autonomous tumor cell death.
Insights
CD47 is a protein that helps tumors evade immune cells. This review explores how CD47 signaling causes cancer cell death, aiding new cancer therapies.
Area of Science:
- Immunology
- Molecular Biology
- Oncology
Background:
- CD47 functions as a tumor-evasive mechanism by interacting with phagocytes.
- Emerging evidence highlights CD47's role as a signaling receptor in cellular processes.
Purpose of the Study:
- To comprehensively review CD47 signaling pathways involved in tumor cell death.
- To explore the therapeutic potential of targeting CD47 for cancer treatment.
Main Methods:
- Literature review of studies on CD47 signaling.
- Analysis of CD47's role in immune evasion and cell death pathways.
Main Results:
- CD47 ligation triggers specific signaling cascades leading to cancer cell death.
- Understanding these pathways is crucial for developing effective CD47-based therapies.
Conclusions:
- Targeting CD47 can simultaneously disarm its immune-evasive function and induce direct tumor cell death.
- This dual-action strategy holds promise for improved anti-cancer therapeutics.
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