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Cited by 733

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Transforming growth factor-beta and the initiation of chondrogenesis and osteogenesis in the rat femur.

Open access
Joyce, M E, Roberts, A B, Sporn, M B, Bolander, M E·1990·The Journal of cell biology

Abstract

We have investigated the ability of exogenous transforming growth factor-beta (TGF-beta) to induce osteogenesis and chondrogenesis, critical events in both bone formation and fracture healing. Daily injections of TGF-beta 1 or 2 into the subperiosteal region of newborn rat femurs resulted in localized intramembranous bone formation and chondrogenesis. After cessation of the injections, endochondral ossification occurred, resulting in replacement of cartilage with bone. Gene expression of type II collagen and immunolocalization of types I and II collagen were detected within the TGF-beta-induced cartilage and bone. Moreover, injection of TGF-beta 2 stimulated synthesis of TGF-beta 1 in chondrocytes and osteoblasts within the newly induced bone and cartilage, suggesting positive autoregulation of TGF-beta. TGF-beta 2 was more active in vivo than TGF-beta 1, stimulating formation of a mass that was on the average 375% larger at a comparable dose (p less than 0.001). With either TGF-beta isoform, the dose of the growth factor determined which type of tissue formed, so that the ratio of cartilage formation to intramembranous bone formation decreased as the dose was lowered. For TGF-beta 1, reducing the daily dose from 200 to 20 ng decreased the cartilage/intramembranous bone formation ratio from 3.57 to zero (p less than 0.001). With TGF-beta 2, the same dose change decreased the ratio from 3.71 to 0.28 (p less than 0.001). These data demonstrate that mesenchymal precursor cells in the periosteum are stimulated by TGF-beta to proliferate and differentiate, as occurs in embryologic bone formation and early fracture healing.

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Metadata

Authors
Joyce, M. E., Roberts, A. B., Sporn, M. B., & Bolander, M. E.
Venue
The Journal of cell biology
Published
1990-06-01
Volume
110
Issue
6
Pages
2195-2207
ISSN
  • 0021-9525 (ISSN-L)
  • 1540-8140
OpenAlex
W2111019735
Cited by
733
References
41
FWCI
13.10
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Transforming growth factor-beta and the initiation of chondrogenesis and osteogenesis in the rat femur. https://app.cochat.ai/papers/10.1083/jcb.110.6.2195
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Joyce, M. E., Roberts, A. B., Sporn, M. B., & Bolander, M. E. (1990). Transforming growth factor-beta and the initiation of chondrogenesis and osteogenesis in the rat femur. The Journal of cell biology. https://doi.org/10.1083/jcb.110.6.2195

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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