Abstract
CD47 is a widely expressed cell membrane receptor belonging to the immunoglobulin (Ig) superfamily. CD47 is involved in a number of cellular processes, including proliferation, apoptosis, adhesion and migration through interacting with integrin, thrombospondins and SIRPα. CD47 also plays an important role in the immune system and homeostasis. In recent few years, numerous studies have demonstrated that targeting CD47 exhibits noticeable effects on inhibition of tumor growth and prevention of metastasis in various types of cancers, while the mechanisms is complicated. In this review, we stated three possible mechanisms of targeting CD47 for cancer treatment. First, blockade of CD47 interrupts the CD47-SIRPα pathway which helps cancer cells escape from phagocytosis by macrophages. Second, ligation of CD47 induces cancer cells apoptosis. Third, targeting CD47 improves the tumor microenvironment. We also described several prospective strategies that have been used for targeting CD47 in cancer therapy, including antibodies, miRNA/siRNA and recombinant protein, etc. In conclusion, CD47 is a promising cancer biomarker, and targeting CD47 presents an effective and potential therapeutic strategy through synthesized mechanisms.
Keywords: CD47, SIRPα, phagocytosis, apoptosis, tumor microenvironment, cancer treatment, anti-cancer targets, cell membrane receptor.
Anti-Cancer Agents in Medicinal Chemistry
Title:Targeting the Cancer Biomarker CD47: A Review on the Diverse Mechanisms of the CD47 Pathway in Cancer Treatment
Volume: 16 Issue: 6
Author(s): Liang Zhang and He Huang
Affiliation:
Keywords: CD47, SIRPα, phagocytosis, apoptosis, tumor microenvironment, cancer treatment, anti-cancer targets, cell membrane receptor.
Abstract: CD47 is a widely expressed cell membrane receptor belonging to the immunoglobulin (Ig) superfamily. CD47 is involved in a number of cellular processes, including proliferation, apoptosis, adhesion and migration through interacting with integrin, thrombospondins and SIRPα. CD47 also plays an important role in the immune system and homeostasis. In recent few years, numerous studies have demonstrated that targeting CD47 exhibits noticeable effects on inhibition of tumor growth and prevention of metastasis in various types of cancers, while the mechanisms is complicated. In this review, we stated three possible mechanisms of targeting CD47 for cancer treatment. First, blockade of CD47 interrupts the CD47-SIRPα pathway which helps cancer cells escape from phagocytosis by macrophages. Second, ligation of CD47 induces cancer cells apoptosis. Third, targeting CD47 improves the tumor microenvironment. We also described several prospective strategies that have been used for targeting CD47 in cancer therapy, including antibodies, miRNA/siRNA and recombinant protein, etc. In conclusion, CD47 is a promising cancer biomarker, and targeting CD47 presents an effective and potential therapeutic strategy through synthesized mechanisms.
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Cite this article as:
Zhang Liang and Huang He, Targeting the Cancer Biomarker CD47: A Review on the Diverse Mechanisms of the CD47 Pathway in Cancer Treatment, Anti-Cancer Agents in Medicinal Chemistry 2016; 16 (6) . https://dx.doi.org/10.2174/1871520615666151008123223
DOI https://dx.doi.org/10.2174/1871520615666151008123223 |
Print ISSN 1871-5206 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5992 |
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