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https://ir.csmu.edu.tw:8080/ir/handle/310902500/23753
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| Title: | Downregulation of Notch3 links TIMP3 inhibition to suppress aggressive phenotypes of pancreatic ductal adenocarcinoma |
| Authors: | Chiu, TJ;Chen, YJ;Lan, J;Chen, YY;Chen, YC;Lin, HW;Tsai, HT;Lin, YS;Hsiao, CC;Chen, CH |
| Keywords: | Pancreatic ductal adenocarcinoma;Notch3;TIMP3;gemcitabine;motility |
| Date: | 2021 |
| Issue Date: | 2022-08-05T09:42:19Z (UTC)
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| Publisher: | E-CENTURY PUBLISHING CORP |
| ISSN: | 2156-6976 |
| Abstract: | Pancreatic ductal adenocarcinoma (PDAC), one of the most deadly digestive cancers, has a poor 5-year survival rate and is resistant to chemotherapeutic agents, such as gemcitabine. Notch3 plays an important role in cancer progression, and its expression facilitates chemoresistance in cancers. This study examined the clinical significance of Notch3 and explored the mechanisms through which it may affect disease progression in PDAC. We found Notch3 to be upregulated in PDAC patients in whom it correlated with lymph node stage and poor survival. In vitro and in vivo, functional assays indicated that silencing Notch3 could suppress the growth, migration, invasion of PDAC cells and sensitize PDAC cells to gemcitabine. QPCR array, which was performed to elucidate the Notch3-regulated pathway, revealed that inhibition of Notch3 decreased the transcription and secretion of TIMP3 in PDAC cells. Overexpression of TIMP3 reversed the impaired growth, migration, invasion, and chemosensitivity induced by Notch3 silencing. We also found a positive correlation between Notch3 mRNA expression and TIMP3 expression in patients with PDAC. We concluded that blocking Notch3/TIMP3 pathway could considered a potentially new therapeutic strategy for treating PDAC. |
| URI: | https://www.webofscience.com/wos/woscc/full-record/WOS:000727777200028
https://ir.csmu.edu.tw:8080/handle/310902500/23753 |
| Relation: | AMERICAN JOURNAL OF CANCER RESEARCH ,2021,v11,issue 11, P5609-+ |
| Appears in Collections: | [中山醫學大學研究成果] 期刊論文
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