Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy · 2026
Mechanisms of therapy resistance in the tumor microenvironment: Insights from antibody array-based cytokine profiling.
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Wickramasekara Rochelle, Jones Valerie, Zhao Yating, Luo Shuhong, Sun Guogui, Huang Ruo-Pan
Аннотация
BACKGROUND: Therapy resistance remains a major obstacle in the treatment of solid tumors and accounts for most cancer-related deaths. While tumor-intrinsic mechanisms have been well-studied, the tumor microenvironment (TME) is now recognized as a major driver of resistance through non-genetic, cell-extrinsic signaling. Stromal and immune cells-including fibroblasts, macrophages, endothelial cells, and regulatory immune cells-interact with cancer cells via cytokine signaling, direct contact, and extracellular matrix (ECM) remodeling to promote survival, immune evasion, and therapeutic adaptation.
OBJECTIVE: This review examines cytokine-mediated signaling mechanisms within the TME that contribute to resistance to chemotherapy, targeted therapy, radiotherapy, and immunotherapy, drawing on studies with a specific focus on antibody array-based multiplex proteomic profiling.
RESULTS: Across multiple tumor types, molecular profiling studies have identified recurrent cytokine and growth factor signaling programs that drive therapy resistance through paracrine and autocrine mechanisms. Key pathways include IL-6/STAT3, CXCL12/CXCR4, and HGF/c-MET among others, through which stromal and immune cells support tumor survival, immune suppression, and therapy evasion. These findings demonstrate that cytokine-mediated resistance mechanisms differ across therapeutic modalities and cellular contexts. Clinical studies targeting these pathways further illustrate how biological context and pathway redundancy influence therapeutic response.
CONCLUSION: Cytokine-driven signaling within the TME plays a central role in therapy resistance. Protein profiling studies have contributed mechanistic insight into these interactions and helped define resistance-associated pathways across treatment settings. Ongoing clinical studies will determine how targeting these pathways can be most effectively applied to improve patient outcomes.
OBJECTIVE: This review examines cytokine-mediated signaling mechanisms within the TME that contribute to resistance to chemotherapy, targeted therapy, radiotherapy, and immunotherapy, drawing on studies with a specific focus on antibody array-based multiplex proteomic profiling.
RESULTS: Across multiple tumor types, molecular profiling studies have identified recurrent cytokine and growth factor signaling programs that drive therapy resistance through paracrine and autocrine mechanisms. Key pathways include IL-6/STAT3, CXCL12/CXCR4, and HGF/c-MET among others, through which stromal and immune cells support tumor survival, immune suppression, and therapy evasion. These findings demonstrate that cytokine-mediated resistance mechanisms differ across therapeutic modalities and cellular contexts. Clinical studies targeting these pathways further illustrate how biological context and pathway redundancy influence therapeutic response.
CONCLUSION: Cytokine-driven signaling within the TME plays a central role in therapy resistance. Protein profiling studies have contributed mechanistic insight into these interactions and helped define resistance-associated pathways across treatment settings. Ongoing clinical studies will determine how targeting these pathways can be most effectively applied to improve patient outcomes.