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- W2079399274 endingPage "2016" @default.
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- W2079399274 abstract "The aim of this study was to evaluate the function of RhoGDI2 in lung cancer epithelial-mesenchymal transition (EMT) process and to illustrate the underlying mechanisms that will lead to improvement of lung cancer treatment.The RhoGDI2 knock-down and overexpressing A549 cell lines were first constructed. The influence of RhoGDI2 on cytoskeleton in A549 cells was studied using two approaches: G-LISA-based Rac1 activity measurement and immunostaining-based F-actin distribution. The expression levels of key EMT genes were analyzed using real time quantitative polymerase chain reaction (RT-qPCR), western blot and immunostaining in untreated and RhoGDI2 knock-down or overexpressing A549 cells in both in vivo and in vitro experimental settings.Our study showed that the activity of Rac1, a key gene that is crucial for the initiation and metastasis of human lung adenocarcinoma, causing the redistribution of F-actin with partial loss of cell-cell adhesions and stress fibers, was significantly suppressed by RhoGDI2. RhoGDI2 promoted the expression of EMT marker gene E-cadherin and repressed EMT promoting genes Slug, Snail, α-SMA in both A549 cells and lung and liver organs derived from the mouse models. Knocking-down RhoGDI2 induced abnormal morphology for lung organs.These findings indicate that RhoGDI2 repressed the activity of Rac1 and may be involved in the rearrangement of cytoskeleton in lung cancer cells. RhoGDI2 suppresses the metastasis of lung cancer mediated through EMT by regulating the expression of key genes such as E-cadherin, Slug, Snail and α-SMA in both in vivo and in vitro models." @default.
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- W2079399274 date "2014-01-01" @default.
- W2079399274 modified "2023-09-27" @default.
- W2079399274 title "Mechanisms of RhoGDI2 Mediated Lung Cancer Epithelial-Mesenchymal Transition Suppression" @default.
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- W2079399274 doi "https://doi.org/10.1159/000366396" @default.
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