Title : Nuclear Her2 contributes to paclitaxel resistance in breast cancer cells.

Pub. Date : 2021 Aug 1

PMID : 33587352






14 Functional Relationships(s)
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1 Nuclear Her2 contributes to paclitaxel resistance in breast cancer cells. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
2 Here, we tested whether nuclear Her2 contributes to paclitaxel resistance in Her2-overexpressing breast cancer cells. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
3 Paclitaxel-resistant breast cancer cell was also developed and nuclear Her2 expression was tested. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
4 Then, correlation between nuclear Her2 and resistance to paclitaxel were analyzed. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
5 RESULTS: We found that Her2 overexpression increases Her2 nuclear expression and cells resistance to paclitaxel in MCF-7 cells. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
6 In the paclitaxel resistant cell (SK-BR-3/R), nuclear Her2 expression is upregulated compared with parental SK-BR-3 cells. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
7 Increased expression of nuclear Her2 after short-time (48 h) treatment of paclitaxel was also observed in SK-BR-3 cells. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
8 Further downregulation of Her2 nuclear expression through blocking expression of importin beta1 sensitizes the cells to paclitaxel. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
9 The analysis showed that the Her2 nuclear expression increases the survivin expression which leads to resistance to paclitaxel. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
10 Her2 nuclear expression decreases paclitaxel-induced apoptosis. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
11 CONCLUSION: We show for the first time that nuclear Her2 contributes to paclitaxel resistance in breast cancer cells which suggests that nuclear Her2 as a potential target to sensitize breast cancers to paclitaxel treatment. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
12 CONCLUSION: We show for the first time that nuclear Her2 contributes to paclitaxel resistance in breast cancer cells which suggests that nuclear Her2 as a potential target to sensitize breast cancers to paclitaxel treatment. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
13 CONCLUSION: We show for the first time that nuclear Her2 contributes to paclitaxel resistance in breast cancer cells which suggests that nuclear Her2 as a potential target to sensitize breast cancers to paclitaxel treatment. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens
14 CONCLUSION: We show for the first time that nuclear Her2 contributes to paclitaxel resistance in breast cancer cells which suggests that nuclear Her2 as a potential target to sensitize breast cancers to paclitaxel treatment. Paclitaxel erb-b2 receptor tyrosine kinase 2 Homo sapiens