The putative oncogenic role of WDTC1 in colorectal cancer.

The putative oncogenic role of WDTC1 in colorectal cancer.
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WDTC1 在结直肠癌中的假定致癌作用。

DOI:
10.1093/carcin/bgac027
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发表时间:
2022
期刊:
影响因子:
4.7
通讯作者:
Guo,Xingyi
Guo,Xingyi
中科院分区:
医学2区
文献类型:
--
作者:
Wang,Xiaoyu;Cai,Qiuyin;Ping,Jie;Diaz-Zabala,Hector;Xia,Yumin;Guo,Xingyi

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微卫星不稳定性(MSI)在大约15%的结直肠癌(CRC)中检测到。WD 40和tetratricopeptide repeats 1(WDTC 1)在MSI CRC中经常发生突变,表明其可能有助于CRC的发展。然而,WDTC 1在CRC发展中的作用的功能证据仍然未知。在此,我们在三种CRC细胞系SW 480、CACO 2和LoVo中进行了体外测定,使用敲低实验来检查WDTC 1的功能。我们提供了强有力的证据表明,沉默WDTC 1显着抑制细胞增殖,迁移,并在所有三个CRC细胞系的侵袭一致。为了评估WDTC 1在调节CRC相关基因中的潜在作用,我们在WDTC 1-siRNA处理后24和48 h对SW 480细胞及其载体对照细胞进行RNA测序。差异基因表达分析确定了44(42下调和2上调)和16(所有下调)的基因,分别在24和48小时的时间点,而15个下调的基因通常在这两个时间点检测。独创性途径分析表明,对于这些常见的基因,观察到与癌症功能和上游调节因子ATM/ATR相关的最显著的富集。我们进一步验证了八个癌症相关基因的差异表达,ARHGEF 12,GSTP 1,FNDC 3A,TMTC 3,RTN 4,RRM 2,UHMK 1和PTPRF,在所有三个细胞系中使用RT-PCR。我们的发现为WDTC 1在CRC发展中的致癌作用提供了新的见解。
Microsatellite instability (MSI) is detected in approximately 15% of colorectal cancers (CRCs). WD40 and tetratricopeptide repeats 1 (WDTC1) is frequently mutated in MSI CRC, indicating that it may contribute to CRC development. However, the functional evidence of the role ofWDTC1in CRC development remains unknown. Herein, we conductedin vitroassays to examine the function ofWDTC1using knockdown experiments in three CRC cell lines, SW480, CACO2, and LoVo. We provided strong evidence that silencingWDTC1significantly suppressed cell proliferation, migration, and invasion consistently in all three CRC cell lines. To evaluate the potential role ofWDTC1in regulating CRC-related genes, we conducted RNA sequencing after 24 and 48 h in SW480 cells after treatingWDTC1-siRNA and its vehicle control cells. Differential gene expression analysis identified 44 (42 downregulated and 2 upregulated) and 16 (all downregulated) genes, at time points of 24 and 48 h, respectively, whereas 15 downregulated genes were commonly detected at both time points. The ingenuity pathways analysis suggested that the most significant enrichments associated with cancer function and upstream regulator ATM/ATR were observed for these commonly observed genes. We further verified differential gene expression of eight cancer-related genes,ARHGEF12, GSTP1, FNDC3A, TMTC3, RTN4, RRM2, UHMK1,andPTPRF, using RT-PCR in all three cell lines. Our findings provided additional insight into the oncogenic role ofWDTC1in CRC development.
血影蛋白与血小板中膜结合的肌动蛋白丝相关,并在血小板活化过程中被 Ca2 依赖性蛋白酶水解。
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发表时间: --
期刊:
影响因子: --
作者:
通讯作者: --