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Cited by 733

The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.

The hypoxia-inducible factor α pathway couples angiogenesis to osteogenesis during skeletal development

Open access
Wang, Ying, Wan, Chao, Deng, Lianfu, Liu, Ximeng, Cao, Xuemei, Gilbert, Shawn R., Bouxsein, Mary L., Faugere, Marie-Claude, Guldberg, Robert E., Gerstenfeld, Louis C., Haase, Volker H., Johnson, Randall S., Schipani, Ernestina, Clemens, Thomas L.·2007·Journal of Clinical Investigation

Abstract

Skeletal development and turnover occur in close spatial and temporal association with angiogenesis. Osteoblasts are ideally situated in bone to sense oxygen tension and respond to hypoxia by activating the hypoxia-inducible factor alpha (HIF alpha) pathway. Here we provide evidence that HIF alpha promotes angiogenesis and osteogenesis by elevating VEGF levels in osteoblasts. Mice overexpressing HIF alpha in osteoblasts through selective deletion of the von Hippel-Lindau gene (Vhl) expressed high levels of Vegf and developed extremely dense, heavily vascularized long bones. By contrast, mice lacking Hif1a in osteoblasts had the reverse skeletal phenotype of that of the Vhl mutants: long bones were significantly thinner and less vascularized than those of controls. Loss of Vhl in osteoblasts increased endothelial sprouting from the embryonic metatarsals in vitro but had little effect on osteoblast function in the absence of blood vessels. Mice lacking both Vhl and Hif1a had a bone phenotype intermediate between those of the single mutants, suggesting overlapping functions of HIFs in bone. These studies suggest that activation of the HIF alpha pathway in developing bone increases bone modeling events through cell-nonautonomous mechanisms to coordinate the timing, direction, and degree of new blood vessel formation in bone.

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Crossref · 10.1172/jci31581

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Metadata

Authors
Wang, Y., Wan, C., Deng, L., Liu, X., Cao, X., Gilbert, S. R., Bouxsein, M. L., Faugere, M.-C., Guldberg, R. E., Gerstenfeld, L. C., Haase, V. H., Johnson, R. S., Schipani, E., & Clemens, T. L.
Venue
Journal of Clinical Investigation
Published
2007-06-01
Volume
117
Issue
6
Pages
1616-1626
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2038607522
Cited by
733
References
10
FWCI
13.29
Type
journal article
Language
en
Open access
bronze

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