6 results on '"Ju, Sihan"'
Search Results
2. Multi-omics profiling visualizes dynamics of cardiac development and functions
- Author
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Gu, Yayun, Zhou, Yan, Ju, Sihan, Liu, Xiaofei, Zhang, Zicheng, Guo, Jia, Gao, Jimiao, Zang, Jie, Sun, Hao, Chen, Qi, Wang, Jinghan, Xu, Jiani, Xu, Yiqun, Chen, Yingjia, Guo, Yueshuai, Dai, Juncheng, Ma, Hongxia, Wang, Cheng, Jin, Guangfu, Li, Chaojun, Xia, Yankai, Shen, Hongbing, Yang, Yang, Guo, Xuejiang, and Hu, Zhibin
- Published
- 2022
- Full Text
- View/download PDF
3. Hypomethylation‐activated cancer‐testis gene SPANXC promotes cell metastasis in lung adenocarcinoma.
- Author
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Wang, Xuewei, Ju, Sihan, Chen, Yao, Qian, Qufei, Yan, Caiwang, Chen, Shuaizhou, Chang, Yuting, Xu, Yide, Ma, Zijian, Zhang, Chang, Qin, Na, Gu, Yayun, Wang, Cheng, Zhang, Erbao, and Hu, Zhibin
- Subjects
METASTASIS ,GERM cells ,LUNGS ,SPERMATOGENESIS ,GENES ,TUMOR suppressor genes ,CELLS - Abstract
Many studies have shown that there were similarity between tumorigenesis and gametogenesis. Our previous work found that cancer‐testis (CT) genes could serve as a novel source of candidate of cancer. Here, by analysing The Cancer Genome Atlas (TCGA) database, we characterized a CT gene, SPANXC, which is expressed only in testis. The SPANXC was reactivated in lung adenocarcinoma (LUAD) tissues. And the expression of SPANXC was associated with prognosis of LUAD. We also found that the activation of SPANXC was due to the promoter hypomethylation of SPANXC. Moreover, SPANXC could modulate cell metastasis both in vitro and in vivo. Mechanistically, we found that SPANXC could bind to ROCK1, a metastasis‐related gene, and thus SPANXC may regulate cell metastasis partly through interaction with ROCK1 in LUAD. Together, our results demonstrated that the CT expression pattern of SPANXC served as a crucial role in metastasis of LUAD. And these data further corroborated the resemblance between processes of germ cell development and tumorigenesis, including migration and invasion. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
4. A cis‐eQTL genetic variant in PLK4 confers high risk of hepatocellular carcinoma.
- Author
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Meng, Lijuan, Zhou, Yan, Ju, Sihan, Han, Jing, Song, Ci, Kong, Jing, Wu, Yifei, Lu, Shuai, Xu, Jiani, Yuan, Wenwen, Zhang, Erbao, Wang, Cheng, Hu, Zhibin, Gu, Yayun, Luo, Rongcheng, and Wang, Xuehao
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HEPATOCELLULAR carcinoma ,CANCER cell proliferation ,LIVER cancer ,CELL migration inhibition ,SMALL molecules ,CELL migration ,SPERMATOGENESIS - Abstract
Purpose: The overexpression and knockdown of PLK4 were both reported to generate aneuploidy. Thus, we aimed to investigate whether genetic variants in PLK4 contribute to the development of hepatocellular carcinoma (HCC). Methods: We evaluated associations of common variants in PLK4 and its promoter for the risk of HCC in our association study (1300 cases and 1344 controls). The genotype‐tissue expression (GTEx) and The cancer genome atlas (TCGA) databases were used to quantify the expression of PLK4. Cell proliferation and migration affected by PLK4 in HCC were assessed in vitro. Drug susceptibility testing (DST) model was used to assess the sensibility of PLK4‐activated HCC to CFI‐400945, a small molecule inhibitor of PLK4. Results: Herein, we found a significant association between rs3811741, located in the PLK4 intron, and liver cancer risk (OR = 1.26, P = 9.81 × 10−5). Although PLK4 expressed at lower levels in somatic tissues compared to the testis, the risk allele A of rs3811741 was associated with increased PLK4 expression in liver cancer tissues. Additionally, PLK4 high expression was remarkably associated with shortened survival of HCC (HR = 1.97, P = .001). Furthermore, overexpression of PLK4 promoted, while knockdown of PLK4 suppressed cancer cell proliferation, migration, and invasion. DST model demonstrated that CFI‐400945 can effectively suppress rampant proliferation of HCC with highly expressed PLK4. Conclusion: Taken together, our study demonstrated that PLK4 is a susceptibility gene and plays an oncogenic role in HCC. Furthermore, we identified that PLK4 sensitives HCC to CFI‐400945, which may be an ideal therapy target for HCC. [ABSTRACT FROM AUTHOR]
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- 2019
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5. Comprehensive characterization of cancer‐testis genes in testicular germ cell tumor.
- Author
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Chang, Yuting, Wang, Xuewei, Xu, Yide, Yang, Liu, Qian, Qufei, Ju, Sihan, Chen, Yao, Chen, Shuaizhou, Qin, Na, Ma, Zijian, Dai, Juncheng, Ma, Hongxia, Jin, Guangfu, Zhang, Erbao, Wang, Cheng, and Hu, Zhibin
- Subjects
GENETIC mutation ,TERATOCARCINOMA ,GERM cell tumors ,SEMINOMA ,TESTICULAR cancer ,GENES ,NON-coding RNA - Abstract
Cancer‐testis (CT) genes are a group of genes restrictedly expressed in testis and multiple cancers and can serve as candidate driver genes participating in the development of cancers. Our previous study identified a number of CT genes in nongerm cell tumors, but their expression pattern in testicular germ cell tumor (TGCT), a cancer type characterized by less genomic alterations, remained largely unknown. In this study, we systematically investigated the expression pattern of CT genes in TGCT samples and evaluated the transcriptome difference between TGCT and normal testis tissues, using datasets from the UCSC Xena platform, The Cancer Genome Atlas (TCGA) and the Genotype‐Tissue Expression (GTEx) project. Pathway enrichment analysis and survival analysis were conducted to evaluate the biological function and prognostic effect of expressed CT genes. We identified that 1036 testis‐specific expressed protein‐coding genes and 863 testis‐specific expressed long noncoding RNAs (lncRNAs) were expressed in TGCT samples, including 883 CT protein‐coding genes and 710 CT lncRNAs defined previously. The number of expressed CT genes was significantly higher in seminomas (P = 3.48 × 10−13) which were characterized by frequent mutations in driver genes (KIT, KRAS and NRAS). In contrast, the number of expressed CT genes showed a moderate negative correlation with the fraction of copy number altered genomes (cor = −0.28, P = 1.20 × 10−3). Unlike other cancers, our analysis revealed that 96.16% of the CT genes were down‐regulated in TGCT samples, while CT genes in stem cell maintenance related pathways were up‐regulated. Further survival analysis provided evidence that CT genes could also predict the prognosis of TGCT patients with both disease‐free interval and progression‐free interval as clinical endpoints. Taken together, our study provided a global view of CT genes in TGCT and provided evidence that CT genes played important roles in the progression and maintenance of TGCT. [ABSTRACT FROM AUTHOR]
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- 2019
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6. Gene amplification derived a cancer‐testis long noncoding RNA PCAT6 regulates cell proliferation and migration in hepatocellular carcinoma.
- Author
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Chen, Shuaizhou, Chen, Yao, Qian, Qufei, Wang, Xuewei, Chang, Yuting, Ju, Sihan, Xu, Yide, Zhang, Chang, Qin, Na, Ding, Hui, Gu, Yayun, Han, Jing, Wang, Cheng, Zhang, Erbao, and Hu, Zhibin
- Subjects
NON-coding RNA ,GENE amplification ,CELL migration ,CELL proliferation ,CELL cycle ,HEPATOCELLULAR carcinoma - Abstract
Our previous work demonstrated cancer‐testis (CT) genes as a new source of candidate driver of cancer. Recently, mounting evidence indicates that long noncoding RNAs (lncRNAs) with CT expression pattern could play a pivotal role in cancer biology. Here, we characterized a conserved CT long noncoding RNA (CT‐lncRNA), PCAT6, which is expressed exclusively in the testis and is reactivated in liver hepatocellular carcinoma (LIHC) tissues due to the highly frequent amplification. The expression in LIHC was correlated with clinical prognosis in TCGA data. Knockdown of PCAT6 could inhibit cell proliferation and migration in hepatocellular carcinoma (LIHC) cells. Gene set enrichment analysis (GSEA) based on coexpression network revealed that PCAT6 was involved in similar cilium‐related pathways in the testis and LIHC tissues. However, PCAT6 was mainly positively correlated with gametogenesis‐related pathways in the testis but was coexpressed with mitotic cell cycle genes in LIHC. Together, our data demonstrated that CT‐lncRNA PCAT6 represents the similarity and difference between tumorigenesis and gametogenesis. The CT expression pattern and important role in LIHC oncogenesis make PCAT6 an ideal target for LIHC diagnosis and therapy. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
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