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A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone
Single-cell RNA sequencing has led to numerous novel designations for mesenchymal cell types associated with bone. Consequently, there are now multiple designations for what appear to be the same cell type. In addition, existing datasets contain relatively small numbers of mature osteoblasts and ost...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Cold Spring Harbor Laboratory
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10680810/ https://www.ncbi.nlm.nih.gov/pubmed/38014179 http://dx.doi.org/10.1101/2023.11.17.567528 |
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author | Nookaew, Intawat Xiong, Jinhu Onal, Melda Bustamante-Gomez, Cecile Wanchai, Visanu Fu, Qiang Kim, Ha-Neui Almeida, Maria O’Brien, Charles A. |
author_facet | Nookaew, Intawat Xiong, Jinhu Onal, Melda Bustamante-Gomez, Cecile Wanchai, Visanu Fu, Qiang Kim, Ha-Neui Almeida, Maria O’Brien, Charles A. |
author_sort | Nookaew, Intawat |
collection | PubMed |
description | Single-cell RNA sequencing has led to numerous novel designations for mesenchymal cell types associated with bone. Consequently, there are now multiple designations for what appear to be the same cell type. In addition, existing datasets contain relatively small numbers of mature osteoblasts and osteocytes and there has been no comparison of periosteal bone cells to those at the endosteum and trabecular bone. The main goals of this study were to increase the amount of single cell RNA sequence data for osteoblasts and osteocytes, to compare cells from the periosteum to those inside bone, and to clarify the major categories of cell types associated with murine bone. To do this, we created an atlas of murine bone-associated cells by harmonizing published datasets with in-house data from cells targeted by Osx1-Cre and Dmp1-Cre driver strains. Cells from periosteal bone were analyzed separately from those isolated from the endosteum and trabecular bone. Over 100,000 mesenchymal cells were mapped to reveal 11 major clusters designated fibro-1, fibro-2, chondrocytes, articular chondrocytes, tenocytes, adipo-CAR, osteo-CAR, pre-osteoblasts, osteoblasts, osteocytes, and osteo-X, the latter defined in part by Postn expression. Osteo-X, osteo-CAR, and pre-osteoblasts were closely associated with osteoblasts at the trabecular bone surface. Wnt16 was expressed in multiple cell types from the periosteum but not in any cells from endocortical or cancellous bone. Fibro-2 cells, which express markers of skeletal stem cells, localized to the periosteum but not trabecular bone in adult mice. Suppressing bone remodeling eliminated osteoblasts and altered gene expression in pre-osteoblasts but did not change the abundance or location of osteo-X or osteo-CAR cells. These results provide a framework for identifying bone cell types in murine single cell RNA sequencing datasets and suggest that osteoblast progenitors reside near the surface of remodeling bone. |
format | Online Article Text |
id | pubmed-10680810 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | Cold Spring Harbor Laboratory |
record_format | MEDLINE/PubMed |
spelling | pubmed-106808102023-11-27 A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone Nookaew, Intawat Xiong, Jinhu Onal, Melda Bustamante-Gomez, Cecile Wanchai, Visanu Fu, Qiang Kim, Ha-Neui Almeida, Maria O’Brien, Charles A. bioRxiv Article Single-cell RNA sequencing has led to numerous novel designations for mesenchymal cell types associated with bone. Consequently, there are now multiple designations for what appear to be the same cell type. In addition, existing datasets contain relatively small numbers of mature osteoblasts and osteocytes and there has been no comparison of periosteal bone cells to those at the endosteum and trabecular bone. The main goals of this study were to increase the amount of single cell RNA sequence data for osteoblasts and osteocytes, to compare cells from the periosteum to those inside bone, and to clarify the major categories of cell types associated with murine bone. To do this, we created an atlas of murine bone-associated cells by harmonizing published datasets with in-house data from cells targeted by Osx1-Cre and Dmp1-Cre driver strains. Cells from periosteal bone were analyzed separately from those isolated from the endosteum and trabecular bone. Over 100,000 mesenchymal cells were mapped to reveal 11 major clusters designated fibro-1, fibro-2, chondrocytes, articular chondrocytes, tenocytes, adipo-CAR, osteo-CAR, pre-osteoblasts, osteoblasts, osteocytes, and osteo-X, the latter defined in part by Postn expression. Osteo-X, osteo-CAR, and pre-osteoblasts were closely associated with osteoblasts at the trabecular bone surface. Wnt16 was expressed in multiple cell types from the periosteum but not in any cells from endocortical or cancellous bone. Fibro-2 cells, which express markers of skeletal stem cells, localized to the periosteum but not trabecular bone in adult mice. Suppressing bone remodeling eliminated osteoblasts and altered gene expression in pre-osteoblasts but did not change the abundance or location of osteo-X or osteo-CAR cells. These results provide a framework for identifying bone cell types in murine single cell RNA sequencing datasets and suggest that osteoblast progenitors reside near the surface of remodeling bone. Cold Spring Harbor Laboratory 2023-11-17 /pmc/articles/PMC10680810/ /pubmed/38014179 http://dx.doi.org/10.1101/2023.11.17.567528 Text en https://creativecommons.org/licenses/by-nc-nd/4.0/This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (https://creativecommons.org/licenses/by-nc-nd/4.0/) , which allows reusers to copy and distribute the material in any medium or format in unadapted form only, for noncommercial purposes only, and only so long as attribution is given to the creator. |
spellingShingle | Article Nookaew, Intawat Xiong, Jinhu Onal, Melda Bustamante-Gomez, Cecile Wanchai, Visanu Fu, Qiang Kim, Ha-Neui Almeida, Maria O’Brien, Charles A. A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone |
title | A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone |
title_full | A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone |
title_fullStr | A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone |
title_full_unstemmed | A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone |
title_short | A framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone |
title_sort | framework for defining mesenchymal cell types associated with murine periosteal and endosteal bone |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10680810/ https://www.ncbi.nlm.nih.gov/pubmed/38014179 http://dx.doi.org/10.1101/2023.11.17.567528 |
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