Oxygen, a source of life and stress
Abstract
Oxygen is an essential element in the survival of complex organisms, however the level of oxygen, low or high, can be a source of stress depending on the biological context. Low levels of oxygen in tissues (hypoxia) can be the consequence of a number of pathophysiological conditions including ischemic disorders and cancer while relative, higher levels (hyperoxia) can lead to retinopathy of prematurity. The local oxygen environment and oxygen consumption dictate vascular homeostasis, vaso‐proliferation and vaso‐cessation, which is deregulated in these diseases through oxygen‐dependent growth factors. In this review, we will introduce aspects of the physiology and biology of oxygen partial pressure and the molecular mechanisms implicated in oxygen sensing. We will outline the regulation and function of the key operator in cellular signalling of hypoxia, the transcription factor, hypoxia‐inducible factor. In addition, we will focus on cancer cell hypoxia and on its role in driving cell metabolism, pH regulation and survival.
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HIF-1 is a master regulator of hypoxia and oxygen homeostasis.
“A master regulator of hypoxia and oxygen homeostasis is HIF-1 (26,27).”
From Adipose tissue remodeling and obesity (2011) · cites this paper as [27]
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- Authors
- Brahimi-Horn, M. C., & Pouysségur, J.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Corresponding author
- Brahimi-Horn, M. Christiane
- ORCID
- Pouysségur, Jacques
- Venue
- FEBS Letters
- Publisher
- Wiley
- Published
- 2007-06-19
- Volume
- 581
- Issue
- 19
- Pages
- 3582-3591
- ISSN
- 0014-5793 (ISSN-L)
- 1873-3468
- OpenAlex
- W1983199304
- Cited by
- 383
- References
- 71
- Citations by year
- 2026: 3 · 2025: 12 · 2024: 14 · 2023: 14 · 2022: 16 · 2021: 23 · 2020: 20 · 2019: 28 · 2018: 20 · 2017: 26 · 2016: 22 · 2015: 18 · 2014: 24 · 2013: 37 · 2012: 13
- FWCI
- 1.88
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- FEBS Letters (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion)
- Funders
- Institut National de la Santé et de la Recherche Médicale
- Centre National de la Recherche Scientifique
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
- Keywords
- oxygen, hypoxia, hyperoxia, hypoxia-inducible factor, oxygen sensing, oxygen partial pressure, cellular metabolism, pH control, retinopathy of prematurity, ischemic disorders, vascular homeostasis
- MeSH terms
- Acidosis, Hypoxia, Glucose, Humans, Neoplasms, Oxygen, Partial Pressure, Signal Transduction, Heat-Shock Response, Hypoxia-Inducible Factor 1
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