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<p>The enrichment of specific metabolites within the tumor microenvironment is emerging as a driver of tumor progression. Specifically, in prostate cancer (PCa), increased abundance of lactate is associated with primary-to-metastasis tumor spreading by supporting cancer cell invasiveness. Here, we highlight that the endocannabinoid receptor GPR55 is able to sense lactate and consequently trigger PCa cell amoeboid-like invasiveness, through the activation of the pro-migratory RhoA/MLC2 signaling pathway. These findings uncover a new role for GPR55 in sustaining lactate-driven PCa cell motility.</p>

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GPR55 senses lactate to sustain motility in prostate cancer cells

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月28日

查看全文
  • Giovanna Sgrignani,
  • Marta Iozzo,
  • Lara Di Leonardo,
  • Elisa Pardella,
  • Erica Pranzini,
  • Giulia Gangarossa,
  • Giuseppina Comito,
  • Luigi Ippolito,
  • Elisa Giannoni,
  • Paola Chiarugi

摘要

The enrichment of specific metabolites within the tumor microenvironment is emerging as a driver of tumor progression. Specifically, in prostate cancer (PCa), increased abundance of lactate is associated with primary-to-metastasis tumor spreading by supporting cancer cell invasiveness. Here, we highlight that the endocannabinoid receptor GPR55 is able to sense lactate and consequently trigger PCa cell amoeboid-like invasiveness, through the activation of the pro-migratory RhoA/MLC2 signaling pathway. These findings uncover a new role for GPR55 in sustaining lactate-driven PCa cell motility.