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Cited by 515

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Activation of the hypoxia-inducible factor-1α pathway accelerates bone regeneration

Open access
Wan, Chao, Gilbert, Shawn R., Wang, Ying, Cao, Xuemei, Shen, Xing, Ramaswamy, Girish, Jacobsen, Kimberly A., Alaql, Zainab S., Eberhardt, Alan W., Gerstenfeld, Louis C., Einhorn, Thomas A., Deng, Lianfu, Clemens, Thomas L.·2008·Proceedings of the National Academy of Sciences

Abstract

The hypoxia-inducible factor-1α (HIF-1α) pathway is the central regulator of adaptive responses to low oxygen availability and is required for normal skeletal development. Here, we demonstrate that the HIF-1α pathway is activated during bone repair and can be manipulated genetically and pharmacologically to improve skeletal healing. Mice lacking pVHL in osteoblasts with constitutive HIF-1α activation in osteoblasts had markedly increased vascularity and produced more bone in response to distraction osteogenesis, whereas mice lacking HIF-1 α in osteoblasts had impaired angiogenesis and bone healing. The increased vascularity and bone regeneration in the pVHL mutants were VEGF dependent and eliminated by concomitant administration of VEGF receptor antibodies. Small-molecule inhibitors of HIF prolyl hydroxylation stabilized HIF/VEGF production and increased angiogenesis in vitro . One of these molecules (DFO) administered in vivo into the distraction gap increased angiogenesis and markedly improved bone regeneration. These results identify the HIF-1α pathway as a critical mediator of neoangiogenesis required for skeletal regeneration and suggest the application of HIF activators as therapies to improve bone healing.

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Metadata

Authors
Wan, C., Gilbert, S. R., Wang, Y., Cao, X., Shen, X., Ramaswamy, G., Jacobsen, K. A., Alaql, Z. S., Eberhardt, A. W., Gerstenfeld, L. C., Einhorn, T. A., Deng, L., & Clemens, T. L.
Venue
Proceedings of the National Academy of Sciences
Published
2008-01-15
Volume
105
Issue
2
Pages
686-691
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2139237341
Cited by
515
References
6
FWCI
10.17
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Activation of the hypoxia-inducible factor-1α pathway accelerates bone regeneration. https://app.cochat.ai/papers/10.1073/pnas.0708474105
The paper
Wan, C., Gilbert, S. R., Wang, Y., Cao, X., Shen, X., Ramaswamy, G., Jacobsen, K. A., Alaql, Z. S., Eberhardt, A. W., Gerstenfeld, L. C., Einhorn, T. A., Deng, L., & Clemens, T. L. (2008). Activation of the hypoxia-inducible factor-1α pathway accelerates bone regeneration. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0708474105

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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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