Yes Associated Protein 1 Promotes Resistance to 5-Fluorouracil in Gastric Cancer by Regulating GLUT3-dependent Glycometabolism Reprogramming of Tumor-Associated Macrophages.
Archives of biochemistry and biophysics(2021)
Abstract
The antimetabolite 5-fluorouracil (5-FU) is a widely used chemotherapy regimen for the treatment of gastric cancer (GC). However, resistance to 5-FU remains a major drawback in the clinical use. The treatments of anti-tumor chemo-agents recruit tumor associated macrophages (TAMs) which are highly implicated in the chemoresistance development, but the underlying molecular mechanism is unclear. Here, we demonstrate that YAP1 is overexpressed in resistant GC tissues compared to sensitive GC tissues. Further, IL-3 secreted by YAP1-overexpressed GC could skew macrophage polarization to M2-like phenotype and inducing GLUT3-depended glycolysis program. Meanwhile, polarized M2 macrophages enhance 5-FU resistance in tumor cells by secreting CCL8 and activating phosphorylation of JAK1/STAT3 signaling pathway.
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Key words
Gastric cancer,YAP1,IL13,Tumor associated macrophage,Glycometabolism reprogramming,5-FU
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