Stem cells are promising candidates for cell-based therapies in diverse conditions including regenerating damaged tissues, treating inflammation in virtue of sepsis, acute renal failure, and cardiovascular disease. Advancement of these therapies relies on the ability to guide stem cells to migrate directly and differentiate towards specific cell phenotypes. During the past decade, many researchers have demonstrated that exogenous applied forces could significantly affect the migration and lineage differentiation of stem cells. Besides, recent advances have highlighted the critical role of internal forces due to cell-matrix interaction in the function of stem cells. Stem cells can generate contractile forces to sense the mechanical properties of cell-generated force microenvironment, and thereby perceive mechanical information that directs broad aspects of stem cell functions, including migration and lineage commitment. In the review, we recount the cell-generated force microenvironment of stem cells and discuss the interactions between cell-generated forces with migration and differentiation of stem cells. We also summarize key experimental evidence of a tight linkage between migration and lineage differentiation of stem cells and pose important unanswered questions in this field.
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