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Cited by 256

The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.

Multiple Signaling Pathways Converge on the Cbfa1/Runx2 Transcription Factor to Regulate Osteoblast Differentiation

Open access
Franceschi, Renny T., Xiao, Guozhi, Jiang, Di, Gopalakrishnan, Rajaram, Yang, Shuying, Reith, Elizabeth·2003·Connective Tissue Research

Abstract

The Cbfa1/Runx2 transcription factor is essential for osteoblast differentiation. However, levels of Runx2 are often not well correlated with its transcriptional activity suggesting that this factor must be activated either by covalent modification or through interactions with other nuclear components. Runx2 is phosphorylated and activated by the mitogen-activated protein kinase (MAPK) pathway. This pathway is stimulated in at least two ways: by binding of type I collagen to alpha2beta1 integrins on the osteoblast surface and by treatment of cells with the osteogenic growth factor, FGF2. Protein kinase A (PKA) also may phosphorylate/activate Runx2 under certain conditions. Runx2 activity also is enhanced by factors known to stimulate specific signal transduction pathways such as PTH/PTHrP (signals through PKA and PKC pathways) and BMPs (Signal through Smad proteins). Interactions with Runx2 are complex involving both binding of distinct components such as AP-1 factors and Smads to separate sites on DNA, direct interactions between Runx2 and AP-1/Smad factors and MAPK or PKA-dependent Runx2 phosphorylation. These findings suggest that Runx2 plays a central role in coordinating multiple signals involved in osteoblast differentiation.

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Metadata

Authors
Franceschi, R. T., Xiao, G., Jiang, D., Gopalakrishnan, R., Yang, S., & Reith, E.
Venue
Connective Tissue Research
Published
2003-01
Volume
44
Issue
1
Pages
109-116
ISSN
  • 0300-8207 (ISSN-L)
  • 1607-8438
OpenAlex
W2113442798
Cited by
256
References
30
FWCI
2.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Multiple Signaling Pathways Converge on the Cbfa1/Runx2 Transcription Factor to Regulate Osteoblast Differentiation. https://app.cochat.ai/papers/10.1080/03008200390152188
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Franceschi, R. T., Xiao, G., Jiang, D., Gopalakrishnan, R., Yang, S., & Reith, E. (2003). Multiple Signaling Pathways Converge on the Cbfa1/Runx2 Transcription Factor to Regulate Osteoblast Differentiation. Connective Tissue Research. https://doi.org/10.1080/03008200390152188

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