Tag Archives: tumor associated macrophages

Dihydroxystilbenes Prevent Azoxymethane/Dextran Sulfate Sodium-Induced Colon Cancer by Inhibiting Colon Cytokines, a Chemokine, and Programmed Cell Death-1 in C57BL/6J Mice

The three dihydroxystilbenes in this study inhibited colon carcinogenesis and tumor growth as well as increases in colon IL-1β, IL-6, MCP-1, and PD-1 levels in AOM/DDS-treated mice in vivo. The three dihydroxystilbenes also suppressed COX-2 expression in colon tumors in vivo and inhibited PD-1 elevations in M2-THP-1 macrophages in vitro.
[European Journal of Pharmacology]
Kimura, Y., Sumiyoshi, M., Kiyoi, T., & Baba, K. (2020). Dihydroxystilbenes prevent azoxymethane/dextran sulfate sodium-induced colon cancer by inhibiting colon cytokines, a chemokine, and programmed cell death-1 in C57BL/6J mice. European Journal of Pharmacology, 173445. https://doi.org/10.1016/j.ejphar.2020.173445 Cite
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Specific Targeting of Ovarian Tumor-Associated Macrophages by Large, Anionic Nanoparticles

Researchers showed that relatively large anionic nanoparticles administered intraperitoneally selectively accumulated in tumor-associated macrophages.
[Proceedings of the National Academy of Sciences of the United States of America]
Haber, T., Cornejo, Y. R., Aramburo, S., Flores, L., Cao, P., Liu, A., Mooney, R., Gilchrist, M., Tirughana, R., Nwokafor, U., Abidi, W., Han, E., Dellinger, T., Wakabayashi, M. T., Aboody, K. S., & Berlin, J. M. (2020). Specific targeting of ovarian tumor-associated macrophages by large, anionic nanoparticles. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1917424117 Cite
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Spatial Density and Distribution of Tumor-Associated Macrophages Predict Survival in Non-Small-Cell Lung Carcinoma

Scientists investigated tumor-associated macrophage (TAM) subtype density and distribution between tumor center and invasive margin in human lung cancer and TAM associations with overall survival.
[Cancer Research]
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Disruption of the Tumor-Associated EMP3 Enhances Erythroid Proliferation and Causes the MAM-Negative Phenotype

Disruption of EMP3 by CRISPR/Cas9 gene editing in an immortalised human erythroid cell line abolished MAM expression.
[Nature Communications]
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Tumor-Initiating Cells Establish an IL-33–TGF-β Niche Signaling Loop to Promote Cancer Progression

The authors showed, using a mouse model of squamous cell carcinoma, that tumor-initiating cells play a crucial role in creating a niche microenvironment that is required for tumor progression and drug resistance.
[Science]
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Microglia Promote Glioblastoma via mTOR-Mediated Immunosuppression of the Tumor Microenvironment

Investigators showed that glioblastoma (GBM)‐initiating cells induced mTOR signaling in the microglia but not bone marrow‐derived macrophages in both in vitro and in vivo GBM mouse models.
[Embo Journal]
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Exosomes: A Potential Therapeutic Tool Targeting Communications between Tumor Cells and Macrophages

Scientists summarize the roles and mechanisms of exosomes in the interaction between tumor cells and macrophages and the potential methods by which exosomes are used to target the communication between tumor cells and macrophages to treat cancer.
[Molecular Therapy]
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ARS2/MAGL Signaling in Glioblastoma Stem Cells Promotes Self-Renewal and M2-Like Polarization of Tumor-Associated Macrophages

Investigators demonstrated that arsenite-resistance protein 2 (ARS2), a zinc finger protein that is essential for early mammalian development, played critical roles in glioblastoma stem cell maintenance and M2-like tumor-associated macrophage polarization.
[Nature Communications]
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Dual Role of WISP1 in Maintaining Glioma Stem Cells and Tumor-Supportive Macrophages in Glioblastoma

Researchers showed that glioma stem cells (GSCs) secreted the Wnt‐induced signaling protein 1 (WISP1) to facilitate a pro-tumor microenvironment by promoting the survival of both GSCs and tumor-associated macrophages.
[Nature Communications]
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Angiogenic Cytokines Can Reflect the Synovitis Severity and Treatment Response to Biologics in Rheumatoid Arthritis

To determine the clinical significance of angiogenic cytokines in rheumatoid arthritis (RA), the levels of pro-angiogenic cytokines, including VEGF, placenta growth factor, and IL-6, were measured in the synovial fluid and sera of RA patients using ELISA.
[Experimental and Molecular Medicine]
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