Transcriptomic Profiling in Low-Risk Thyroid Cancer Induced by Microwave Ablation.
International journal of endocrinology(2024)
摘要
Background:Peripheral blood mononuclear cells (PBMCs) serve as the immune system's primary transportation hub outside of the affected ablated tissue. This study aims to explore the transcriptomic profiling of the immune response in PBMCs induced by microwave ablation (MWA) in low-risk thyroid cancer.
Methods:For eight patients diagnosed with low-risk thyroid cancer, 10 ml of peripheral venous blood was collected before MWA as well as one day and one month after MWA. mRNA was extracted from PBMCs for transcriptome next-generation gene sequencing and qRT-PCR analyses. The plasma samples were used for chemokine detection purposes.
Results:One day and one month after MWA, there were significant changes in GSEA, particularly in the NF-kappa B-TNFα pathway, inflammatory response, and early and late estrogen response. Common changes in differently expressed genes resulted in a significant downregulation of tumor-promoting genes (BCL3, NR6A1, and PFKFB3). One day after low-risk thyroid cancer MWA, GO enrichment analysis mainly revealed processes related to oxygen transport and other pathways. One month after MWA, GO enrichment analysis mainly revealed regulation of toll-like receptor signaling and other pathways. Furthermore, inflammation-related cytokines and regulatory genes, as well as tumor-promoting cytokines and regulatory genes, were downregulated after MWA.
Conclusions:This study presents a comprehensive profile of the systemic immune response induced by thermal ablation for treating low-risk thyroid cancer. More significantly, this study provides valuable insight into potential references for systemic antitumor immunity of ablation against low-risk thyroid cancer. This trial is registered with ChiCTR1900024544.
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