Cancer, Stress, Anesthesia, and Immune Response
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Abstract
Abstract
Background/Objectives: Whether anesthetic maintenance influences tumor biology in cervical cancer remains unsettled. We examined whether plasma extracellular vesicles (EVs) collected during sevoflurane or propofol anesthesia differentially affect HeLa cell behavior and explored lipidomic alterations associated with the biologically active EV condition. Methods: In a single-center prospective observational cohort, paired plasma samples were collected before anesthesia induction and before wound closure from 53 patients with stage II cervical cancer undergoing radical surgery under sevoflurane (n = 28) or propofol (n = 25) anesthesia. EV preparations were characterized by transmission electron microscopy, nanoparticle tracking analysis, and immunoblotting for EV markers. Their effects on HeLa cell proliferation, invasion, and wound closure, as well as HUVEC tube formation, were examined in vitro. EV miRNA profiles were analyzed by small-RNA sequencing. Lipidomic profiling by LC-MS and immunoblot analysis of EGFR/PKCα/NF-κB signaling were performed in recipient HeLa cells exposed to sevoflurane-associated EVs. Results: EVs collected after sevoflurane anesthesia increased HeLa cell proliferation, invasion, and wound closure and enhanced endothelial branching in HUVEC tube-formation assays, whereas post-propofol EVs showed no comparable phenotype. Small-RNA sequencing identified distinct anesthesia-associated EV miRNA changes, with the sevoflurane-related signature enriched in glycerolipid metabolism, glycerophospholipid metabolism, glycosylphosphatidylinositol-anchor biosynthesis, phosphatidylinositol signaling, and inositol phosphate metabolism. In HeLa cells treated with post-sevoflurane EVs, lipidomic analysis showed clear separation from pre-sevoflurane EV-treated cells and identified increased diacylglycerol (DG) species, including DG (16:1/18:2), DG (16:0/16:1), DG (18:2/18:2), DG (18:2/20:4), and DG (16:0/18:2). These changes were accompanied by higher p-EGFR, PKCα, and p-NF-κB p65 levels. Several DG species correlated positively with proliferation and invasion readouts and inversely with residual wound area. Conclusions: Plasma EVs collected after sevoflurane anesthesia were associated with a more aggressive phenotype in recipient cervical cancer cells and with lipid remodeling characterized by DG accumulation and altered EGFR/PKCα/NF-κB signaling. The data support an exploratory mechanistic model linking sevoflurane-associated EV cargo to metabolic reprogramming in cervical cancer cells.
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@article{Jiao2026Sevoflurane,
title = {Sevoflurane-Associated Plasma Extracellular Vesicles Promote Aggressive Phenotypes in Cervical Cancer Cells with Concurrent DG Remodeling and EGFR/PKCα/NF-κB Activation},
author = {Bo Jiao and Danning Wang and Jia Wei and Shaodi Guan and Y N Li and Yun Liu and Shaomeng Si and Yueyang Xin and Jie Dong and Siqi Zhou and Pei Lu and Hui Xu},
journal = {Biomedicines},
year = {2026},
doi = {10.3390/biomedicines14061333},
url = {https://doi.org/10.3390/biomedicines14061333}
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