IL-8 (CXCL8)

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tumor-microenvironment

IL-8 (CXCL8) is a pro-inflammatory CXC chemokine that signals through the G protein-coupled receptors CXCR1 and CXCR2. Within tumors, it can be secreted by cancer cells, stromal cells (including cancer-associated fibroblasts), and myeloid cells, and is broadly implicated in angiogenesis, tumor growth, metastasis, and resistance to therapy.

Source papers

  • Stromal-Derived IL-8 Promotes M2 Macrophage Polarization via the RhoA/MRTF-A/SRF Transcriptional Axis to Impair CD8+ T Cell Cytotoxicity in Lung Cancer Xuyu Gu, Qiyu Fang, Jia Yu, Ting Yu, Huashan Shi, Kaiqi Jin, Lei Jiang, Wentian Zhang · 2026 doi:10.1002/advs.202508001