|Table of Contents|

Targeted degradation of p38γ by hyperthermia inhibits proliferation of nasopharyngeal carcinoma cells

Journal Of Modern Oncology[ISSN:1672-4992/CN:61-1415/R]

Issue:
2024 24
Page:
4588-4599
Research Field:
Publishing date:

Info

Title:
Targeted degradation of p38γ by hyperthermia inhibits proliferation of nasopharyngeal carcinoma cells
Author(s):
WU Jingjing12LI Huizhen2SHI Shuling2LI Peihong12YANG Yuchuan2ZHA Boya2HUANGFU Linkuan2LIANG Tiansong2ZHENG Yingjuan2YANG Daoke2
1.School of Basic Medicine,Zhengzhou University,Henan Zhengzhou 450000,China;2.Radiotherapy Department,the First Affiliated Hospital of Zhengzhou University,Henan Zhengzhou 450000,China.
Keywords:
p38γnasopharyngeal carcinomahyperthermiaproliferation
PACS:
R739.63
DOI:
10.3969/j.issn.1672-4992.2024.24.003
Abstract:
Objective:To investigate the effect of hyperthermia (HT) on nasopharyngeal carcinoma (NPC) cells proliferation and its mechanism.Methods:Water bath method was used to simulate HT.The proliferation of NPC cell line CNE-2 after 43 ℃ HT,p38γ gene knockout and overexpression were analyzed by CCK-8,EdU nuclear staining and clonal formation assay.Cell cycle parameters and apoptosis were detected by flow cytometry,p38γ mRNA and protein expression levels were detected by qPCR and Western blot.Cell migration was detected by Transwell and scratch methods.Results:Similar to the downregulation of the p38γ gene,high-temperature treated NPC cells showed growth inhibition associated with downregulation of p38γ.And high temperatures were also found to block the cell cycle.However,the proliferation of cells with p38γ overexpression was inhibited after HT treatment.Furthermore,high temperature increased the destruction of p38γ-lysosome,leading to a decrease in the level of p38γ protein in NPC.Bioinformatics analysis showed that down-regulation of p38γ was the central node of the thermal response of NPC cells.Conclusion:High temperatures can easily disrupt the level of p38γ NPC cells and inhibit tumor growth,effectively blocking the cycle.Therefore,hyperthermia is a new strategy to improve the therapeutic effectiveness of p38γ-driven cancers.

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Last Update: 1900-01-01