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pVHL Modification by NEDD8 Is Required for Fibronectin Matrix Assembly and Suppression of Tumor Development

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Stickle, Natalie H., Chung, Jacky, Klco, Jeffery M., Hill, Richard P., Kaelin, William G., Ohh, Michael·2004·Molecular and Cellular Biology

Abstract

Functional inactivation of the von Hippel-Lindau (VHL) tumor suppressor gene is the cause of the familial VHL disease and most sporadic renal clear-cell carcinomas (RCC). pVHL has been shown to play a role in the destruction of hypoxia-inducible factor alpha (HIF-alpha) subunits via ubiquitin-mediated proteolysis and in the regulation of fibronectin matrix assembly. Although most disease-causing pVHL mutations hinder the regulation of the HIF pathway, every disease-causing pVHL mutant tested to date has failed to promote the assembly of the fibronectin matrix, underscoring its potential importance in VHL disease. Here, we report that a ubiquitin-like molecule called NEDD8 covalently modifies pVHL. A nonneddylateable pVHL mutant, while retaining its ability to ubiquitylate HIF, failed to bind to and promote the assembly of the fibronectin matrix. Expression of the neddylation-defective pVHL in RCC cells, while restoring the regulation of HIF, failed to promote the differentiated morphology in a three-dimensional growth assay and was insufficient to suppress the formation of tumors in SCID mice. These results suggest that NEDD8 modification of pVHL plays an important role in fibronectin matrix assembly and that in the absence of such regulation, an intact HIF pathway is insufficient to prevent VHL-associated tumorigenesis.

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Metadata

Authors
Stickle, N. H., Chung, J., Klco, J. M., Hill, R. P., Kaelin, W. G., & Ohh, M.
Venue
Molecular and Cellular Biology
Published
2004-04-01
Volume
24
Issue
8
Pages
3251-3261
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2170801131
Cited by
185
References
7
FWCI
4.92
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: pVHL Modification by NEDD8 Is Required for Fibronectin Matrix Assembly and Suppression of Tumor Development. https://app.cochat.ai/papers/10.1128/mcb.24.8.3251-3261.2004
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Stickle, N. H., Chung, J., Klco, J. M., Hill, R. P., Kaelin, W. G., & Ohh, M. (2004). pVHL Modification by NEDD8 Is Required for Fibronectin Matrix Assembly and Suppression of Tumor Development. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.24.8.3251-3261.2004

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