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<p>Recently, a strategy involving the engineering of chemokine receptors on immune cells was developed to optimize adoptive cell therapy (ACT) for solid tumors. Given the variability in chemokine secretion among different tumor types, identifying and modulating the appropriate chemokine receptors is crucial. In this study, we utilized extensive RNA sequencing data from both tumor tissues from The Cancer Genome Atlas and normal tissues from Genotype-Tissue Expression to investigate the expression profiles of chemokines. Through analysis, we identified eight chemokine receptors associated with increased chemokine levels in tumor tissues compared to normal tissues, making them promising candidates for enhancing ACT. Subsequent examination of tumor-infiltrating lymphocytes and chimeric antigen receptor-T cells revealed that five out of the eight candidate chemokine receptors did not exhibit elevated expression in T cells. Among five candidates, we demonstrated that CXCR5 is a particularly promising candidate for enhancing cell migration without compromising cell viability or cytotoxicity. In conclusion, our study underscores the potential of five chemokine receptors (CCR6, CCR9, CXCR1, CXCR5, and XCR1) as valuable targets for modulating ACT to enhance cell trafficking and potentially improve cancer therapy outcomes.</p>

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Optimal chemokine receptors for enhancing immune cell trafficking in adoptive cell therapy

  • 期刊论文

  • 发表日期：

    2025年1月16日

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  • DoYeon Han,
  • Byung-Kwan Jeong,
  • Jong Moo Hong,
  • Jeong-Han Seo,
  • GunHee Lee,
  • Kwanghee Kim,
  • Chorong Hong,
  • Hyeonjin Lee,
  • Su Min Cha,
  • Jong Hyeok Kim,
  • Taehyun Park,
  • Gyungyub Gong,
  • Hee Jin Lee

摘要

Recently, a strategy involving the engineering of chemokine receptors on immune cells was developed to optimize adoptive cell therapy (ACT) for solid tumors. Given the variability in chemokine secretion among different tumor types, identifying and modulating the appropriate chemokine receptors is crucial. In this study, we utilized extensive RNA sequencing data from both tumor tissues from The Cancer Genome Atlas and normal tissues from Genotype-Tissue Expression to investigate the expression profiles of chemokines. Through analysis, we identified eight chemokine receptors associated with increased chemokine levels in tumor tissues compared to normal tissues, making them promising candidates for enhancing ACT. Subsequent examination of tumor-infiltrating lymphocytes and chimeric antigen receptor-T cells revealed that five out of the eight candidate chemokine receptors did not exhibit elevated expression in T cells. Among five candidates, we demonstrated that CXCR5 is a particularly promising candidate for enhancing cell migration without compromising cell viability or cytotoxicity. In conclusion, our study underscores the potential of five chemokine receptors (CCR6, CCR9, CXCR1, CXCR5, and XCR1) as valuable targets for modulating ACT to enhance cell trafficking and potentially improve cancer therapy outcomes.