期刊
EXPERIMENTAL CELL RESEARCH
卷 424, 期 1, 页码 -出版社
ELSEVIER INC
DOI: 10.1016/j.yexcr.2023.113484
关键词
Muscle stem cell; Skeletal muscle; Regeneration; Intravital imaging; Live imaging
A major challenge in the study of living systems is understanding the establishment, maintenance, reconstitution, and deterioration of tissues and organs. Static imaging approaches have limitations in studying dynamic integration of extracellular and intracellular signals, but intravital imaging has revealed surprising properties in mammalian models, providing valuable complementary methods and discoveries.
A major challenge in the study of living systems is understanding how tissues and organs are established, maintained during homeostasis, reconstituted following injury or deteriorated during disease. Most of the studies that interrogate in vivo cell biological properties of cell populations within tissues are obtained through static imaging approaches. However, in vertebrates, little is known about which, when, and how extracellular and intracellular signals are dynamically integrated to regulate cell behaviour and fates, due largely to technical challenges. Intravital imaging of cellular dynamics in mammalian models has exposed surprising properties that have been missed by conventional static imaging approaches. Here we highlight some selected examples of intravital imaging in mouse intestinal stem cells, hematopoietic stem cells, hair follicle stem cells, and neural stem cells in the brain, each of which have distinct features from an anatomical and niche-architecture perspective. Intravital imaging of mouse skeletal muscles is comparatively less advanced due to several tech-nical constraints that will be discussed, yet this approach holds great promise as a complementary investigative method to validate findings obtained by static imaging, as well as a method for discovery.
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