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Non-canonical Notch Signaling Regulates Actin Remodeling in Cell Migration by Activating PI3K/AKT/Cdc42 Pathway
In conclusion, our research results indicate that DAPT activates PI3K/AKT/Cdc42 signaling by non-canonical Notch pathway, and the activated Cdc42 promotes the filopodia formation and inhibits lamellipodia assembly, resulting in reduced migration of breast cancer cells. The results imply that non-canonical Notch signaling may play a very important role in the rapid response of cells to the extracellular signals. Author Contributions LG, JD, and LL designed the study and wrote and revised the manuscript. LL and LZ performed most of the experiments and data analysis. SZ, X-YZ, P-XM, Y-DM, Y-YW, YC, S-JT, and Y-JZ assisted i...
Source: Frontiers in Pharmacology - April 15, 2019 Category: Drugs & Pharmacology Source Type: research

Abstract P2-11-02: A longitudinal look at toxicity management within a platform trial: Lessons from the I-SPY 2 TRIAL
In this study, we performed siRNA-mediated knockdown to determine the importance of SHC1 and NCOA3 in the cell proliferation and death of TNBC. The effect of siSHC1 or siNCOA3 on the invasion and chemoresistance was also assayed in vitro. We found that although SHC1 and NCOA3 knockdown slightly inhibited the tumor growth of TNBC cells (MDA-MB-231, BT549, and HS578T), siSHC1 + paclitaxel and siNCOA3 + paclitaxel significantly decreased cell proliferation and increased caspase-3/7 activity in vitro, compared to drug alone. In vivo studies using MDA-MB-231 xenografts and a TNBC PDX model also showed that siSHC1 and siNCOA3 si...
Source: Cancer Research - February 13, 2017 Category: Cancer & Oncology Authors: M Paoloni, J Lyandres, MB Buxton, DA Berry, LJ Esserman, A DeMichele, D Yee Tags: Poster Session Abstracts Source Type: research