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1.成都医学院检验医学院,成都 610500
2.成都市第七人民医院医学检验科,成都 610213
3.成都医学院生物科学与技术学院,成都 610500
黄茜阳,Email:424037635@qq.com,研究方向:乳腺癌分子机制研究。
张 红,Email:1160306@qq.com。
收稿:2025-01-09,
修回:2025-03-13,
录用:2025-03-27,
纸质出版:2025-09-28
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黄茜阳,马海翔,江忠勇,等.ARMCX3参与调控乳腺癌细胞增殖、迁移和侵袭[J].重庆医科大学学报,2025,50(9):1228-1235.
Huang Xiyang,Ma Haixiang,Jiang Zhongyong,et al.Armadillo repeat containing X-linked 3 regulates the proliferation,migration,and invasion of breast cancer cells[J].Journal of Chongqing Medical University,2025,50(9):1228-1235.
黄茜阳,马海翔,江忠勇,等.ARMCX3参与调控乳腺癌细胞增殖、迁移和侵袭[J].重庆医科大学学报,2025,50(9):1228-1235. DOI: 10.13406/j.cnki.cyxb.003861.
Huang Xiyang,Ma Haixiang,Jiang Zhongyong,et al.Armadillo repeat containing X-linked 3 regulates the proliferation,migration,and invasion of breast cancer cells[J].Journal of Chongqing Medical University,2025,50(9):1228-1235. DOI: 10.13406/j.cnki.cyxb.003861.
目的
2
研究X连锁犰狳重复蛋白3(armadillo repeat containing X-linked 3,ARMCX3)对乳腺癌细胞增殖、迁移和侵袭的影响及可能分子机制。
方法
2
免疫组织化学检测ARMCX3在乳腺癌组织及癌旁组织的表达,蛋白质免疫印迹(western blot,WB)检测ARMCX3在乳腺癌细胞中的表达水平。利用慢病毒感染构建低表达ARMCX3的乳腺癌细胞模型,采用流式细胞仪计数、克隆实验、划痕实验和Transwell实验检测乳腺癌细胞增殖、迁移与侵袭能力。利用癌症基因组图谱(The Cancer Genome Atlas,TCGA)和基因型-组织表达数据库(Genotype-Tissue Expression,GTEx)分析Y染色体性别决定区-盒转录因子9(SRY-box transcription factor 9,SOX9)在乳腺癌组织中的表达,利用基因表达汇编(Gene Expression Omnibus,GEO)数据分析SOX9与ARMCX3的相关性,WB检测乳腺癌细胞中上皮钙黏蛋白(epithelial cadherin,E-cadherin)、神经钙黏蛋白(neural cadherin,N-cadherin)、波形蛋白(vimentin,VIM)和SOX9表达。
结果
2
与癌旁组织和人正常乳腺上皮细胞相比,ARMCX3在乳腺癌组织和多数乳腺癌细胞中表达增高,差异有统计学意义。与对照组相比,低表达ARMCX3抑制了MCF-7和MDA-MB-231细胞的增殖、迁移和侵袭能力,促进E-cadherin表达,抑制N-cadherin和Vimentin表达,差异均有统计学意义。与正常组织相比,SOX9在乳腺癌组织中表达明显增高(
P
<
0.001),并与ARMCX3存在相关性;低表达ARMCX3抑制SOX9表达,差异有统计学意义。
结论
2
ARMCX3在乳腺癌组织和乳腺癌细胞中高表达,可能通过SOX9调控乳腺癌细胞的增殖、迁移和侵袭。
Objective
2
To investigate the effect of armadillo repeat containing X-linked 3(ARMCX3) on the proliferation,migration,and invasion of breast cancer cells and its potential molecular mechanism.
Methods
2
Immunohistochemistry was used to measure the expression of ARMCX3 in breast cancer tissue and adjacent tissue,and Western blot was used to measure the expression of ARMCX3 in breast cancer cells. Breast cancer cells were transfected with lentivirus to establish a model of breast cancer cells with low expression of ARMCX3,and flow cytometry,colony formation assay,scratch assay,and Transwell assay were used to observe the effect of ARMCX3 on the proliferation,migration,and invasion of breast cancer cells. TCGA and GTEx databases were used to analyze the expression of SRY-box transcription factor 9(SOX9) in breast cancer tissue,and GEO database was used to analyze the correlation between SOX9 and ARMCX3. Western blot was used to measure the expression levels of E-cadherin,N-cadherin,vimentin,and SOX9 in breast cancer cells.
Results
2
Compared with adja
cent tissue and human normal breast epithelial cells,there was a significant increase in the expression level of ARMCX3 in breast cancer tissue and most breast cancer cell lines(
P
<
0.05). Compared with the control group,the low expression of ARMCX3 inhibited the proliferation,migration,and invasion of MCF-7 and MDA-MB-231 cells,promoted the expression of E-cadherin,and inhibited the expression of N-cadherin and vimentin(
P
<
0.05). Compared with the normal tissue,there was a significant increase in the expression level of SOX9 in breast cancer tissue(
P
<
0.001),which was correlated with ARMCX3,and the low expression of ARMCX3 also significantly inhibited the expression of SOX9.
Conclusion
2
ARMCX3 is highly expressed in breast cancer tissue and breast cancer cells,and it may regulate the proliferation,migration,and invasion of breast cancer cells through SOX9.
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