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YAP-independent mechanotransduction drives breast cancer progression
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YAP-independent mechanotransduction drives breast cancer progression
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Journal Article
YAP-independent mechanotransduction drives breast cancer progression
2019
Overview
Increased tissue stiffness is a driver of breast cancer progression. The transcriptional regulator YAP is considered a universal mechanotransducer, based largely on 2D culture studies. However, the role of YAP during in vivo breast cancer remains unclear. Here, we find that mechanotransduction occurs independently of YAP in breast cancer patient samples and mechanically tunable 3D cultures. Mechanistically, the lack of YAP activity in 3D culture and in vivo is associated with the absence of stress fibers and an order of magnitude decrease in nuclear cross-sectional area relative to 2D culture. This work highlights the context-dependent role of YAP in mechanotransduction, and establishes that YAP does not mediate mechanotransduction in breast cancer.
The transcriptional regulator YAP is regarded as the universal mechanotransducer, largely from 2D culture studies. Here the authors show that in breast cancer patient tissues and cells in 3D culture, mechanical signals are transduced independently of YAP, questioning YAP as a therapeutic target.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 13/51
/ 14/19
/ 38/91
/ Adaptor Proteins, Signal Transducing - genetics
/ Adaptor Proteins, Signal Transducing - metabolism
/ Breast Neoplasms - pathology
/ Carcinoma, Intraductal, Noninfiltrating - pathology
/ Cell Culture Techniques - methods
/ Extracellular Matrix - metabolism
/ Extracellular Matrix - pathology
/ Female
/ Fibers
/ Humanities and Social Sciences
/ Humans
/ Mechanotransduction, Cellular
/ Neoplasm Invasiveness - pathology
/ Phosphoproteins - metabolism
/ Science
