Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/95032
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Type: Journal article
Title: Gremlin 1 identifies a skeletal stem cell with bone, cartilage, and reticular stromal potential
Author: Worthley, D.
Churchill, M.
Compton, J.
Tailor, Y.
Rao, M.
Si, Y.
Levin, D.
Schwartz, M.
Uygur, A.
Hayakawa, Y.
Gross, S.
Renz, B.
Setlik, W.
Martinez, A.
Chen, X.
Nizami, S.
Lee, H.
Kang, H.
Caldwell, J.
Asfaha, S.
et al.
Citation: Cell, 2015; 160(1-2):269-284
Publisher: Cell Press
Issue Date: 2015
ISSN: 0092-8674
1097-4172
Statement of
Responsibility: 
Daniel L. Worthley … et al.
Abstract: The stem cells that maintain and repair the postnatal skeleton remain undefined. One model suggests that perisinusoidal mesenchymal stem cells (MSCs) give rise to osteoblasts, chondrocytes, marrow stromal cells, and adipocytes, although the existence of these cells has not been proven through fate-mapping experiments. We demonstrate here that expression of the bone morphogenetic protein (BMP) antagonist gremlin 1 defines a population of osteochondroreticular (OCR) stem cells in the bone marrow. OCR stem cells self-renew and generate osteoblasts, chondrocytes, and reticular marrow stromal cells, but not adipocytes. OCR stem cells are concentrated within the metaphysis of long bones not in the perisinusoidal space and are needed for bone development, bone remodeling, and fracture repair. Grem1 expression also identifies intestinal reticular stem cells (iRSCs) that are cells of origin for the periepithelial intestinal mesenchymal sheath. Grem1 expression identifies distinct connective tissue stem cells in both the bone (OCR stem cells) and the intestine (iRSCs).
Keywords: Mice, Inbred C57BL; Intercellular Signaling Peptides and Proteins; Mesenchymal Stromal Cells
Rights: © 2015 Elsevier Inc.
RMID: 0030020153
DOI: 10.1016/j.cell.2014.11.042
Appears in Collections:Medicine publications

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