ArticleJournal of immunology research2026
High-Throughput Heterospheroid-Based Screening Identifies Drugs That Reprogram Tumor-Associated Macrophages.
Article in Journal of immunology research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Identification of a NUAK1/2 Inhibitor as a Macrophage-Polarizing Compound by a Machine Learning-Based Phenotypic Cell Painting Screen.International journal of molecular sciences · 2026Article
- High-Throughput Heterospheroid-Based Screening Identifies Drugs That Reprogram Tumor-Associated Macrophages.Journal of immunology research · 2026Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
The tumor microenvironment (TME) provides a niche for immune evasion and immunotherapy resistance, in part, by recruiting pro-tumor M2-like macrophages. In the present study, using heterospheroids consisting of cancer cells and macrophages, we identified TAM activators, which are compounds that reprogram M2-like tumor-associated macrophages (TAMs) toward the antitumor M1-like phenotype. THP-1- or human peripheral monocyte-derived macrophages were co-cultured with liver cancer (LC) cells in an ultra-low attachment dish to generate heterospheroids. Cell surface marker expression and macrophage infiltration into the heterospheroids were assessed by flow cytometry and fluorescence microscopy, respectively. Lipopolysaccharide (LPS) and interferon-γ (IFNγ)-induced M1 marker expression was observed on the macrophages in the homospheroids; however, this induction was suppressed in heterospheroids. Microscopic imaging revealed that macrophage infiltration into the heterospheroids was decreased in the presence of LPS and IFNγ, which prompted us to develop a high-content imaging screen. We identified two compounds [alprostadil (prostaglandin E1) and HX531] with TAM-activating activity. RNA-seq analysis revealed that HX531 modulated the immune and IFN response in cancer cells and cell division in macrophages. Moreover, alprostadil promoted the M1-like polarization of TAMs, increased tumor-infiltrating CD8
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