SPAG5 promotes the proliferation, migration, invasion, and epithelial-mesenchymal transformation of colorectal cancer cells by activating the PI3K/AKT signaling pathway.

IF 1.4 4区 医学 Q4 PHYSIOLOGY
Xuelian Zhang, Weiyu Wu, Xiaohui Li, Feng He, Lei Zhang
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Abstract

Colorectal cancer (CRC) is a cancer that occurs in the rectum or colon with a high incidence. Sperm-associated antigen 5 (SPAG5), a gene that regulates cell division, has been observed highly expressed in a variety of cancers, but its role in CRC is unclear. This study aimed to investigate the regulatory role of SPAG5 in CRC. The expression of SPAG5 in multiple cancers and normal tissues was predicted by The Cancer Genome Atlas and Tumor Immune Estimation Resource, and the expression of SPAG5 in human normal intestinal epithelial cells NCM460 and human CRC cell lines Caco2, HT29, SW480, and LOVO was verified by western blotting (WB). The effects of silencing SPAG5 on cell viability, proliferation, and apoptosis were then investigated by cell counting kit-8, WB, and flow cytometry. The effects of silencing SPAG5 on cell migration and invasion were investigated by scratch assay and transwell assay. Finally, the phosphorylation levels of phosphoinositide 3-kinase (PI3K) and AKT in cells were detected by WB. The results showed that SPAG5 was highly expressed in CRC and was verified by WB. Silencing of SPAG5 inhibited cell viability and proliferation and increased the cell apoptosis rate. Furthermore, both cell invasion and migration abilities were suppressed by the low expression of SPAG5. Finally, WB results found that the phosphorylation levels of PI3K and AKT were reduced after SPAG5 silencing. In summary, the results showed that SPAG5 can promote the proliferation and invasion of CRC cells by targeting the PI3K/AKT signaling pathway.

SPAG5通过激活PI3K/AKT信号通路,促进结直肠癌癌症细胞的增殖、迁移、侵袭和上皮间充质转化。
癌症(CRC)是一种发生在直肠或结肠的癌症,发病率很高。精子相关抗原5(SPAG5)是一种调节细胞分裂的基因,已被观察到在多种癌症中高度表达,但其在CRC中的作用尚不清楚。本研究旨在探讨SPAG5在CRC中的调节作用。通过癌症基因组图谱和肿瘤免疫评估资源预测SPAG5在多种癌症和正常组织中的表达,并通过蛋白质印迹(WB)验证SPAG5对人正常肠上皮细胞NCM460和人CRC细胞系Caco2、HT29、SW480和LOVO中的表达。然后通过细胞计数试剂盒-8、WB和流式细胞术研究沉默SPAG5对细胞活力、增殖和凋亡的影响。通过划痕法和transwell法研究了沉默SPAG5对细胞迁移和侵袭的影响。最后,通过WB检测细胞中磷酸肌醇3-激酶(PI3K)和AKT的磷酸化水平。结果表明,SPAG5在CRC中高表达,并经WB验证。SPAG5的沉默抑制了细胞的活力和增殖,并增加了细胞凋亡率。此外,SPAG5的低表达抑制了细胞的侵袭和迁移能力。最后,WB结果发现SPAG5沉默后PI3K和AKT的磷酸化水平降低。总之,结果表明SPAG5可以通过靶向PI3K/AKT信号通路来促进CRC细胞的增殖和侵袭。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.30
自引率
5.60%
发文量
36
审稿时长
6-12 weeks
期刊介绍: Chinese Journal of Physiology is a multidisciplinary open access journal. Chinese Journal of Physiology (CJP) publishes high quality original research papers in physiology and pathophysiology by authors all over the world. CJP welcomes submitted research papers in all aspects of physiology science in the molecular, cellular, tissue and systemic levels. Multidisciplinary sciences with a focus to understand the role of physiology in health and disease are also encouraged. Chinese Journal of Physiology accepts fourfold article types: Original Article, Review Article (Mini-Review included), Short Communication, and Editorial. There is no cost for readers to access the full-text contents of publications.
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