Cited by 177Cancer, Hypoxia, and MetabolismNF-κB Signaling PathwaysErythropoietin and Anemia Treatment

Tumor Necrosis Factor-α Causes Accumulation of a Ubiquitinated Form of Hypoxia Inducible Factor-1α through a Nuclear Factor-κB-Dependent Pathway

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Zhou, Jie, Schmid, Tobias, Brüne, Bernhard·2003·Molecular Biology of the Cell

Abstract

Hypoxia-inducible factor-1 (HIF-1) is a regulator of metabolic adaptation to hypoxia. It is now appreciated that HIF-1α accumulation is achieved under normoxic conditions by various factors, such as TNF-α. Here, it was our intention to gain insight into the signaling mechanisms used by TNF-α to stimulate HIF-1α. In tubular LLC-PK 1 or human embryonic kidney cells, TNF-α induced accumulation of HIF-1α protein but not HIF-1α mRNA. Blocking nuclear factor (NF)-κB with sulfasalazine or expression of an IκB superrepressor attenuated HIF-1α accumulation, whereas transfection of active p50/p65-NF-κB subunits mimicked a TNF-α response. Experiments with actinomycin D and cycloheximide also pointed to a transcriptional and translational process in facilitating the TNF-α response. Interestingly, and in contrast to established hypoxic signaling concepts, TNF-α elicited HIF-1α accumulation in a ubiquitinated form that still bound the von Hippel-Lindau (pVHL) protein. These data indicate that HIF-1α accumulation by TNF-α demands the NF-κB pathway, preserves ubiquitination of HIF-1α, and allows the HIF-1α-pVHL interaction.

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Crossref · 10.1091/mbc.e02-09-0598

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  • Adam17 and Arg2 proteins affect Hif-1α stability and activity by regulating production of tumor necrosis factor α (TNF-α) and nitric oxide, respectively, whereas Mmp3 has key roles in numerous physiological processes.

    “The Adam17 and Arg2 proteins affect Hif-1α stability and activity by regulating production of tumor necrosis factor α (TNF-α) 31,32 and nitric oxide, respectively 33,34 , whereas Mmp3 has key roles in numerous physiological processes 35 .”

    From The yak genome and adaptation to life at high altitude (2012) · cites this paper as [32]

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Authors
Zhou, J., Schmid, T., & Brüne, B.
Affiliations
University of Kaiserslautern (DE)
Venue
Molecular Biology of the Cell
Published
2003-06
Volume
14
Issue
6
Pages
2216-2225
ISSN
  • 1059-1524 (ISSN-L)
  • 1939-4586
OpenAlex
W2171610971
Cited by
177
References
36
Citations by year
2026: 2 · 2025: 9 · 2024: 8 · 2023: 10 · 2022: 5 · 2021: 10 · 2020: 8 · 2019: 4 · 2018: 7 · 2017: 5 · 2016: 10 · 2015: 6 · 2014: 6 · 2013: 3 · 2012: 8
FWCI
4.23
Type
journal article
Language
en
Open access
Locations
  • Molecular Biology of the Cell (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Fonds der Chemischen Industrie
  • Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Health Sciences › Medicine › Hematology › Erythropoietin and Anemia Treatment
Keywords
TNF-α, hypoxia-inducible factor-1α, NF-κB signaling, ubiquitination, von Hippel-Lindau protein, tubular epithelial cells, sulfasalazine
MeSH terms
Humans, Transcription Factors, Transfection, Tumor Necrosis Factor-alpha, NF-kappa B, Ubiquitin, Hypoxia-Inducible Factor 1, alpha Subunit

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