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Chinese Journal of Cell and Stem Cell(Electronic Edition) ›› 2024, Vol. 14 ›› Issue (03): 151-158. doi: 10.3877/cma.j.issn.2095-1221.2024.03.004

• Original Research • Previous Articles    

Procaine inhibits the proliferation, migration and invasion of gastric cancer cells through up-regulating lncRNA DGCR5

Jing Li1, Xia Pan1, Fang Zhou1, Jing Wang2, Jia Hong2,()   

  1. 1. Department of Anesthesiology, People's Hospital of Wuhan University, Wuhan 430000, China
    2. Obstetrics and Gynecology, People's Hospital of Wuhan University, Wuhan 430000, China
  • Received:2024-01-26 Online:2024-06-01 Published:2024-07-24
  • Contact: Jia Hong

Abstract:

Objective

To explore procaine's role and potential mechanism in the migration, invasion and proliferation of gastric cancer cells.

Methods

Gastric cancer AGS cells were divided into low, medium, and high dose of procaine groups (cells were cultured in medium containing 3, 6, 12 mmol/L procaine for 24 h) , pcDNA-lncRNA DGCR5 group (AGS cells transfected with lncRNA DGCR5 overexpression vector were cultured in the conventional medium for 24 h) , pcDNA-NC group (AGS cells transfected with empty vector were cultured in the conventional medium for 24 h) , high-dose+si-lncRNA DGCR5 group (AGS cells transfected with lncRNA DGCR5 small interfering RNA were cultured in medium containing 12 mmol/L procaine for 24 h) , high-dose+si-NC group (AGS cells transfected with out-of-order nonsense negative sequence were cultured in medium containing 12 mmol/L procaine for 24 h) , and control group (AGS cells were cultured in conventional medium for 24 h) . And then, MTT, clone formation, scratch healing, Transwell and Western blot method were used to detect cell proliferation, migration and invasion, and the protein expression of MMP2 and MMP9 in cells, respectively; RT-qPCR was used to detected the expression of lncRNA DGCR5. Independent sample t-test was used for comparison between two groups, and univariate analysis of variance and LSD-t test were used for comparison between multiple groups.

Results

Compared with the control group, the A value, clone count, scratch healing rate, the number of migration and invasion of AGS cells, and the protein expression of MMP2 and MMP9 in the low, medium and high dose groups of procaine were decreased (P all < 0.05) , and the expression of lncRNA DGCR5 (1.69 ± 0.13, 2.18 ± 0.17, 2.49 ± 0.15 vs 1.00 ± 0.10) was increased (P < 0.05) . Compared with the pcDNA-NC group, the A value, clone count, scratch healing rate, the number of migration and invasion of AGS cells, and the protein expression of MMP2 and MMP9 in the pcDNA-lncRNA DGCR5 group were all decreased (P all < 0.05) . Compared with the high-dose+si-NC group, the A value, clone count, scratch healing rate, the number of migration and invasion of AGS cells, and the protein expression of MMP2 and MMP9 in the pcDNA-lncRNA DGCR5 group were all increased (P all < 0.05) .

Conclusion

Procaine may inhibit the migration, invasion proliferation and gastric cancer AGS cells by increasing the expression of lncRNA DGCR5.

Key words: Procaine, Gastric cancer, lncRNA DGCR5, Cell proliferation, Migration, Invasion

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