Human mesenchymal stem cell (MSC)

Human mesenchymal stem cells (MSCs) are multipotent progenitor cells capable of differentiating into osteoblasts, adipocytes, and chondrocytes. MSC fate and function are tightly regulated by the extracellular matrix (ECM) microenvironment, which provides critical biochemical and biomechanical cues. These signals are transmitted through cell surface receptors such as integrins, activating intracellular signaling pathways (e.g., ERK/MAPK, FAK, YAP/beta-catenin) that determine proliferation, differentiation, and tissue repair capacity. MSCs and their interactions with the ECM are central to tissue regeneration and are being explored in diverse therapeutic settings, but neither MSCs nor the ECM are themselves conventional single-molecule drug targets. Rather, the ECM functions as a dynamic regulatory platform that influences cell behavior and therapy outcomes.

Other names

Mesenchymal stromal cellbone marrow stromal cellmultipotent mesenchymal stromal cellmarrow stromal cell

Not applicable in the conventional sense. When used therapeutically, MSCs function via paracrine signaling, immunomodulation, and supporting tissue repair. In regenerative medicine, the ECM microenvironment influences their fate via signal transduction through integrins and growth factor receptors (e.g., ERK/MAPK pathways).