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Registros recuperados: 3
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Evaluation of anti-Wnt/β-catenin signaling agents by pGL4-TOP transfected stable cells with a luciferase reporter system BJMBR
Chuang,K.A.; Lieu,C.H.; Tsai,W.J.; Wu,M.H.; Chen,Y.C.; Liao,J.F.; Wang,C.C.; Kuo,Y.C..
Refractory and relapsed leukemia is a major problem during cancer therapy, which is due to the aberrant activation of Wnt/β-catenin signaling pathway. Activation of this pathway is promoted by wingless (Wnt) proteins and induces co-activator β-catenin binding to lymphoid enhancer factor (LEF)/T-cell factor protein (TCF). To provide a convenient system for the screening of anti-Wnt/β-catenin agents, we designed a bi-functional pGL4-TOP reporter plasmid that contained 3X β-catenin/LEF/TCF binding sites and a selectable marker. After transfection and hygromycin B selection, HEK 293-TOP and Jurkat-TOP stable clones were established. The luciferase activity in the stable clone was enhanced by the recombinant Wnt-3A (rWnt-3A; 100-400 ng/mL) and GSK3β inhibitor...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cancer; Plasmids; Reporter assay; Screening; Wnt; Β-catenin.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010001000003
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Expression of β-catenin and c-myc during human common bile duct development: a possible role in the morphogenesis of the common bile duct BJMBR
Guo,W.L.; Zhang,Q.; Wang,J..
β-catenin and c-myc play important roles in the development of tissues and organs. However, little is known about their expression patterns during the development of the human common bile duct. Immunohistochemistry was used to detect β-catenin and c-myc expression in common bile duct samples from postmortem tissues of 14 premature infants and 6 spontaneously aborted fetuses. The expression of β-catenin and c-myc was also analyzed by Western blot. The samples were divided into four groups based on the stage of human fetal development: 12, 13-27, 28-37, and >37 weeks. The Image-Pro Plus v. 6.0 image analysis software was used to calculate the mean qualifying score (MQS). At fetal stages 12, 13-27, 28-37, and >37 weeks, MQS of β-catenin were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Β-catenin; C-myc; Common bile duct; Fetal development.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2014000700594
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Long non-coding RNA LINC00261 sensitizes human colon cancer cells to cisplatin therapy BJMBR
Wang,Z.K.; Yang,L.; Wu,L.L.; Mao,H.; Zhou,Y.H.; Zhang,P.F.; Dai,G.H..
Colon cancer is one of the most common digestive tumors. The present study aimed to explore the functional role, as well as the underlying mechanism of long non-coding RNA LINC00261 in colon cancer. Expression of LINC00261 was analyzed in colon cancer cell lines and human normal cell lines. Acquired resistance cell lines were then built and the acquired resistance efficiency was detected by evaluating cell viability. Thereafter, the effects of LINC00261 overexpression on cisplatin-resistant colon cancer cells were measured, as well as cell apoptosis, viability, migration, and invasion. Subsequently, we investigated the interaction of LINC00261 and β-catenin. The results showed that the LINC00261 gene was down-regulated in colon cancer cell lines and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Colon cancer; LINC00261; Β-catenin; Cisplatin resistance; Mechanism.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018000200607
Registros recuperados: 3
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