Background/aim: In a previous study, we have demonstrated heightened Pyra-Metho-Carnil (PMC) efficacy in nude mice with intact innate immunity that lack T and B cells. This has prompted hypothesizing that PMC may target macrophages that promote cancer growth. In this study, we conducted co-culture experiments with macrophages derived from THP-1 human monocyte cell lines and spheroids representing normal and cancer microenvironments.
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