Cellular Mechanics and Interactions

Cells are not passive occupants of their surroundings — they constantly push against, pull on, and respond to the physical properties of the extracellular matrix, the fibrous scaffold that fills the spaces between them. How stiff or compliant that scaffold is turns out to influence decisions as fundamental as whether a stem cell becomes bone or fat, how a cancer cell escapes a tumor, and whether engineered tissue can survive and function in the body. The machinery translating these mechanical cues into gene expression and behavior — a process called mechanotransduction — involves the cytoskeleton, adhesion complexes, and ion channels, but the precise signaling logic remains incompletely understood. Active research is working to map how cells integrate mechanical signals alongside chemical ones, and how that integration breaks down in disease or can be deliberately tuned in regenerative medicine.

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Keywords

Extracellular MatrixCell MechanicsMechanotransductionStem CellsCytoskeletonTissue Engineering