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Mechanically Primed Cells Transfer Memory to Fibrous Matrices for Invasion Across Environments of Distinct Stiffness and Dimensionality by José A. Almeida; Jairaj Mathur; Ye Lim Lee; Bapi Sarker; Amit Pathak is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Mechanically Primed Cells Transfer Memory to Fibrous Matrices for Invasion Across Environments of Distinct Stiffness and Dimensionality about?

Cells sense and migrate across mechanically dissimilar environments throughout development and disease progression. However, it remains unclear whether mechanical memory of past environments empowers cells to navigate new, three-dimensional extracellular matrices. Here, we show that cells previously primed on stiff, compared with soft, matrices generate a higher level of forces to remodel collagen fibers and promote invasion. This priming advantage persists in dense or stiffened collagen. We explain this memory-dependent, cross-environment cell invasion through a lattice-based model wherein stiff-primed cellular forces remodel collagen and minimize energy required for future cell invasion. According to our model, cells transfer their mechanical memory to the matrix via collagen alignment and tension, and this remodeled matrix informs future cell invasion. Thus, memory-laden cells overcome mechanosensing of softer or challenging future environments via a cell–matrix transfer of memory. Consistent with model predictions, depletion of yes-associated protein destabilizes the cellular memory required for collagen remodeling before invasion. We release tension in collagen fibers via lase

Who reads Mechanically Primed Cells Transfer Memory to Fibrous Matrices for Invasion Across Environments of Distinct Stiffness and Dimensionality?

Author

José A. Almeida; Jairaj Mathur; Ye Lim Lee; Bapi Sarker; Amit Pathak

Publisher

American Society for Cell Biology (ASCB)

Published

2023

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)