Chemosensor receptors are lipid-detecting regulators of macrophage function in cancer.
1/5 보강
Infiltration of macrophages into tumors is a hallmark of cancer progression, and re-educating tumor-associated macrophages (TAMs) toward an antitumor status is a promising immunotherapy strategy.
APA
Marelli G, Morina N, et al. (2025). Chemosensor receptors are lipid-detecting regulators of macrophage function in cancer.. Nature immunology, 26(7), 1182-1197. https://doi.org/10.1038/s41590-025-02191-x
MLA
Marelli G, et al.. "Chemosensor receptors are lipid-detecting regulators of macrophage function in cancer.." Nature immunology, vol. 26, no. 7, 2025, pp. 1182-1197.
PMID
40588561 ↗
Abstract 한글 요약
Infiltration of macrophages into tumors is a hallmark of cancer progression, and re-educating tumor-associated macrophages (TAMs) toward an antitumor status is a promising immunotherapy strategy. However, the mechanisms through which cancer cells affect macrophage education are unclear, limiting the therapeutic potential of this approach. Here we conducted an unbiased genome-wide CRISPR screen of primary macrophages. Our study confirms the function of known regulators in TAM responses and reveals new insights into the behavior of these cells. We identify olfactory and vomeronasal receptors, or chemosensors, as important drivers of a tumor-supportive macrophage phenotype across multiple cancers. In vivo deletion of selected chemosensors in TAMs resulted in cancer regression and increased infiltration of tumor-reactive CD8 T cells. In human prostate cancer tissues, palmitic acid bound to olfactory receptor 51E2 (OR51E2) expressed by TAMs, enhancing their protumor phenotype. Spatial lipidomics analysis further confirmed the presence of palmitic acid in close proximity to TAMs in prostate cancer, supporting the function of this lipid mediator in the tumor microenvironment. Overall, these data implicate chemosensors in macrophage sensing of the lipid-enriched milieu and highlight these receptors as possible therapeutic targets for enhancing antitumor immunity.
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