Publications by authors named "Longe Sun"

Objective: Eukaryotic translation initiation factor 4 gamma 2 (EIF4G2) is involved in the occurrence and development of various tumors. However, the effect of EIF4G2 in gastric cancer (GC) has not been fully explored. The purpose of this study was to explore the function and mechanism of EIF4G2 in GC.

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This study is aimed at evaluating the effects, functions, and mechanism of HNF1 on hepatic glycolipid metabolism. In this study, free fatty acid- (FFA-) induced steatosis of hepatocyte liver cell LO2 was used as an model. The methods of Oil Red O staining, RT-qPCR, western blot, and immunofluorescence staining were used to detect LO2-regulated HNF1 expression and its effects on FFA-induced LO2 cell steatosis, the insulin signaling and SOCS-3-STAT3 signaling pathways, the expression of lipid metabolism-related regulators, and phosphorylation.

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N-acetylglucosaminyltransferase V (GnT-V) is an enzyme that catalyzes β1-6 branching of N-acetylglucosamine on asparagine (N)-linked oligosaccharides (N-glycan) of cell proteins and the dysfunction of which is a common feature of various carcinomas. Nevertheless, the role of GnT-V remains controversial. Therefore, the clinical implication of GnT-V expression may differ in each cancer type.

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Metastatic and invasive potential is a barrier to the successful treatment of gastric cancer. N-acetylgluco-saminyltransferase V (GnT-V), a key enzyme catalyzing the formation of 1,6 N-acetylglucosamine (GlcNAc), has been demonstrated to display a distinct function in different types of tumors. The aim of this study was to investigate the role of GnT-V in the invasive potential of BGC823 human gastric cancer cells in vitro and the possible underlying mechanism.

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Trefoil Factor Family (TFF) plays an essential role in the intestinal epithelial restitution, but the relationship between TFF1 and gastric cancer (GC) is still unclear. The present study aimed to determine the role of TFF1 in repairing gastric mucosa and in the pathogenesis of GC. The TFF1 expression in different gastric mucosas was measured with immunohistochemistry.

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Article Synopsis
  • The study aims to examine how bone morphogenetic protein-2 (BMP-2) affects the growth, development, and death of normal and cancerous gastric cells.
  • Results show that BMP-2 inhibits the growth of all cell types, leading to a decrease in cancer cell proliferation and impacting cell cycle phases, while Noggin, a BMP-2 inhibitor, promotes cancer cell growth.
  • The research suggests that BMP-2 signaling may be crucial in understanding gastric cancer development, as it regulates cell growth and the expression of key proteins involved in the cell cycle.
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