Lentivirus-mediated siRNA targeting SAE1 induces cell cycle arrest and apoptosis in colon cancer cell RKO
Copyright policy )Lentivirus-mediated siRNA targeting SAE1 induces cell cycle arrest and apoptosis in colon cancer cell RKO
Deregulated expression of proteins involved in the SUMOylation pathway has been detected in several tumors. SUMO1-activating enzyme subunit 1 (SAE1) plays an important role in this process. We found that SAE1 was highly expressed in the colon cancer cell line RKO and used lentivirus-mediated siRNA to suppress SAE1 expressionin RKO cells. RNA-interference efficiently and specifically downregulated the target gene expression in RKO on both mRNA and protein levels. Silencing of SAE1 inhibited proliferation and reduced colony formation of RKO cells. Furthermore, as it has been shown by flow cytometry analysis, specific knockdown of SAE1 slowed down the cell population at G0/G1 phase and induced apoptosis of RKO cells. On the base of results obtained, one can suppose the biological significance of SAE1 in colon tumorigenesis and a use of this protein as a novel molecular target for colon cancer therapy.
- Fudan University China (People's Republic of)
Lentivirus, Down-Regulation, Apoptosis, Cell Cycle Checkpoints, Ubiquitin-Activating Enzymes, Gene Expression Regulation, Enzymologic, Neoplasm Proteins, Gene Expression Regulation, Neoplastic, HEK293 Cells, Cell Line, Tumor, Colonic Neoplasms, Gene Targeting, Humans, RNA, Small Interfering
Lentivirus, Down-Regulation, Apoptosis, Cell Cycle Checkpoints, Ubiquitin-Activating Enzymes, Gene Expression Regulation, Enzymologic, Neoplasm Proteins, Gene Expression Regulation, Neoplastic, HEK293 Cells, Cell Line, Tumor, Colonic Neoplasms, Gene Targeting, Humans, RNA, Small Interfering
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