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<p>Compelling evidences have manifested that breast cancer cells prefer to metastasize to certain distant organs, including brain, lung, bone and liver. According to the canonical “seed and soil” theory, this prominent biological behavior, termed as metastatic organotropism, involves intricate interactions between breast cancer cells (the “seeds”) and specific residents in the tumor microenvironment (the “soil”), initiating from pre-metastatic niche formation to metastatic outgrowth. Recently, multifaceted heterogeneity of tissue-specific macrophages (TSMs) and their roles played in organotropic metastases of breast cancer are incrementally unveiled. Herein, we decipher multiple diversities of TSMs, including evolvement, profiles, functions and metabolic characteristics under different polarization states. Further, we elaborate on bidirectional effects of TSMs on metastatic organotropism of breast cancer (both to the “seeds” and “soil”), and unearth underlying signaling pathways based on updated mechanistic researches. Lastly, we compile a series of clinical trials, hoping to illuminate promising TSM-targeting therapies against breast cancer organotropic metastases.</p> Graphical Abstract <p></p>

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Heterogeneous tissue-specific macrophages orchestrate metastatic organotropism of breast cancer: implications for promising therapeutics

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月20日

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  • Cenzhu Wang,
  • Pinchao Fan,
  • Yu Zhou,
  • Meican Ma,
  • Haowei Zhong,
  • Lei Liu,
  • Qin Chen,
  • Kun Xu

摘要

Compelling evidences have manifested that breast cancer cells prefer to metastasize to certain distant organs, including brain, lung, bone and liver. According to the canonical “seed and soil” theory, this prominent biological behavior, termed as metastatic organotropism, involves intricate interactions between breast cancer cells (the “seeds”) and specific residents in the tumor microenvironment (the “soil”), initiating from pre-metastatic niche formation to metastatic outgrowth. Recently, multifaceted heterogeneity of tissue-specific macrophages (TSMs) and their roles played in organotropic metastases of breast cancer are incrementally unveiled. Herein, we decipher multiple diversities of TSMs, including evolvement, profiles, functions and metabolic characteristics under different polarization states. Further, we elaborate on bidirectional effects of TSMs on metastatic organotropism of breast cancer (both to the “seeds” and “soil”), and unearth underlying signaling pathways based on updated mechanistic researches. Lastly, we compile a series of clinical trials, hoping to illuminate promising TSM-targeting therapies against breast cancer organotropic metastases.

Graphical Abstract