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Updated: Jun 10, 2026

In Vitro Assay to Study Tumor-macrophage Interaction
Published on: August 1, 2019
Chemokine signaling in cancer: Implications on the tumor microenvironment and therapeutic targeting
Stacey L Hembruff1, Nikki Cheng
1Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, University of Kansas Cancer Center; Kansas City, KS 66160.
Abstract:
Chemokines are soluble factors shown to play important roles in regulating immune cell recruitment during inflammatory responses and defense against foreign pathogens. De-regulated expression and activity of several chemokine signaling pathways have been implicated in cancer progression, including: CCL2, CCL5, CXCL1 and CXCL12. While studies in the past have focused the role of these chemokine signaling pathways in regulating immune responses, emerging studies show that these molecules regulate diverse cellular processes including angiogenesis, and regulation of epithelial cell growth and survival. New evidence indicates that chemokines are critical for cancer progression and indicate complex and diverse functions in the tumor microenvironment. This review will focus on the contributions of chemokine signaling in regulating cancer microvironment and discuss the utility of targeting or delivering chemokines in cancer therapeutics.
Insights
Chemokines regulate immune cell movement and are crucial for cancer progression. Targeting chemokine signaling pathways offers potential new cancer therapeutics by modulating the tumor microenvironment.
Area of Science:
- Immunology
- Oncology
- Molecular Biology
Background:
- Chemokines are key regulators of immune cell trafficking in inflammation and pathogen defense.
- Dysregulated chemokine signaling pathways (CCL2, CCL5, CXCL1, CXCL12) are linked to cancer progression.
- Emerging evidence highlights chemokines' roles beyond immunity, influencing angiogenesis and epithelial cell dynamics.
Purpose of the Study:
- To review the multifaceted roles of chemokine signaling in the tumor microenvironment.
- To explore the therapeutic potential of targeting chemokine pathways in cancer treatment.
Main Methods:
- Literature review of studies on chemokine signaling in cancer.
- Analysis of the impact of chemokines on immune responses and tumor progression.
- Evaluation of therapeutic strategies targeting chemokine pathways.
Main Results:
- Chemokine signaling pathways are implicated in various aspects of cancer progression.
- Chemokines influence angiogenesis, cell growth, and survival within the tumor microenvironment.
- Targeting chemokines presents a promising avenue for novel cancer therapies.
Conclusions:
- Chemokine signaling plays a complex and diverse role in cancer progression.
- Modulating chemokine activity in the tumor microenvironment is a viable therapeutic strategy.
- Further research into chemokine-based cancer therapeutics is warranted.
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