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Recapitulation of endochondral bone formation using human adult mesenchymal stem cells as a paradigm for developmental engineering

Open access
Scotti, Celeste, Tonnarelli, Beatrice, Papadimitropoulos, Adam, Scherberich, Arnaud, Schaeren, Stefan, Schauerte, Alexandra, Lopez-Rios, Javier, Zeller, Rolf, Barbero, Andrea, Martin, Ivan·2010·Proceedings of the National Academy of Sciences

Abstract

Mesenchymal stem/stromal cells (MSC) are typically used to generate bone tissue by a process resembling intramembranous ossification, i.e., by direct osteoblastic differentiation. However, most bones develop by endochondral ossification, i.e., via remodeling of hypertrophic cartilaginous templates. To date, endochondral bone formation has not been reproduced using human, clinically compliant cell sources. Here, we aimed at engineering tissues from bone marrow-derived, adult human MSC with an intrinsic capacity to undergo endochondral ossification. By analogy to embryonic limb development, we hypothesized that successful execution of the endochondral program depends on the initial formation of hypertrophic cartilaginous templates. Human MSC, subcutaneously implanted into nude mice at various stages of chondrogenic differentiation, formed bone trabeculae only when they had developed in vitro hypertrophic tissue structures. Advanced maturation in vitro resulted in accelerated formation of larger bony tissues. The underlying morphogenetic process was structurally and molecularly similar to the temporal and spatial progression of limb bone development in embryos. In particular, Indian hedgehog signaling was activated at early stages and required for the in vitro formation of hypertrophic cartilage. Subsequent development of a bony collar in vivo was followed by vascularization, osteoclastic resorption of the cartilage template, and appearance of hematopoietic foci. This study reveals the capacity of human MSC to generate bone tissue via an endochondral program and provides a valid model to study mechanisms governing bone development. Most importantly, this process could generate advanced grafts for bone regeneration by invoking a “developmental engineering” paradigm.

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Metadata

Authors
Scotti, C., Tonnarelli, B., Papadimitropoulos, A., Scherberich, A., Schaeren, S., Schauerte, A., Lopez-Rios, J., Zeller, R., Barbero, A., & Martin, I.
Venue
Proceedings of the National Academy of Sciences
Published
2010-04-06
Volume
107
Issue
16
Pages
7251-7256
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2096467350
Cited by
477
References
39
FWCI
15.84
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Recapitulation of endochondral bone formation using human adult mesenchymal stem cells as a paradigm for developmental engineering. https://app.cochat.ai/papers/10.1073/pnas.1000302107
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Scotti, C., Tonnarelli, B., Papadimitropoulos, A., Scherberich, A., Schaeren, S., Schauerte, A., Lopez-Rios, J., Zeller, R., Barbero, A., & Martin, I. (2010). Recapitulation of endochondral bone formation using human adult mesenchymal stem cells as a paradigm for developmental engineering. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1000302107

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