Growth Plate Chondrocytes: Skeletal Development, Growth and Beyond.

Shawn A Hallett, Wanida Ono, Noriaki Ono

International journal of molecular sciences 2019 Nov 29

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Growth plate chondrocytes play central roles in the proper development and growth of endochondral bones. Particularly, a population of chondrocytes in the resting zone expressing parathyroid hormone-related protein (PTHrP) is now recognized as skeletal stem cells, defined by their ability to undergo self-renewal and clonally give rise to columnar chondrocytes in the postnatal growth plate. These chondrocytes also possess the ability to differentiate into a multitude of cell types including osteoblasts and bone marrow stromal cells during skeletal development. Using single-cell transcriptomic approaches and in vivo lineage tracing technology, it is now possible to further elucidate their molecular properties and cellular fate changes. By discovering the fundamental molecular characteristics of these cells, it may be possible to harness their functional characteristics for skeletal growth and regeneration. Here, we discuss our current understanding of the molecular signatures defining growth plate chondrocytes.

Citation

Shawn A Hallett, Wanida Ono, Noriaki Ono. Growth Plate Chondrocytes: Skeletal Development, Growth and Beyond. International journal of molecular sciences. 2019 Nov 29;20(23)