The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Cellular Mechanism of Oxygen Sensing
Abstract
▪ Abstract O 2 sensing is a fundamental biological process necessary for adaptation of living organisms to variable habitats and physiological situations. Cellular responses to hypoxia can be acute or chronic. Acute responses rely mainly on O 2-regulated ion channels, which mediate adaptive changes in cell excitability, contractility, and secretory activity. Chronic responses depend on the modulation of hypoxia-inducible transcription factors, which determine the expression of numerous genes encoding enzymes, transporters and growth factors. O 2-regulated ion channels and transcription factors are part of a widely operating signaling system that helps provide sufficient O 2 to the tissues and protect the cells against damage due to O 2 deficiency. Despite recent advances in the molecular characterization of O 2-regulated ion channels and hypoxia-inducible factors, several unanswered questions remain regarding the nature of the O 2 sensor molecules and the mechanisms of interaction between the sensors and the effectors. Current models of O 2 sensing are based on either a heme protein capable of reversibly binding O 2 or the production of oxygen reactive species by NAD(P)H oxidases and mitochondria. Complete molecular characterization of the hypoxia signaling pathways will help elucidate the differential sensitivity to hypoxia of the various cell types and the gradation of the cellular responses to variable levels of PO 2. A deeper understanding of the cellular mechanisms of O 2 sensing will facilitate the development of new pharmacological tools effective in the treatment of diseases such as stroke or myocardial ischemia caused by localized deficits of O 2.
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Cites
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Physiological and pathological responses to hypoxia
Michiels, C. (2004) · The American Journal of Pathology · doi:10.1016/s0002-9440(10)63747-9 · Cited by 559
Regulation of immune cells by local-tissue oxygen tension: HIF1α and adenosine receptors
Sitkovsky, M., & Lukashev, D. (2005) · Nature Reviews Immunology · doi:10.1038/nri1685 · Cited by 518
Hemoxygenase-2 Is an Oxygen Sensor for a Calcium-Sensitive Potassium Channel
Williams, S. E. J., Wootton, P., Mason, H. S., Bould, J., Iles, D. E., Riccardi, D., Peers, C., & Kemp, P. J. (2004) · Science · doi:10.1126/science.1105010 · Cited by 458
A role for mitochondrial enzymes in inherited neoplasia and beyond
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Metadata
- Authors
- López-Barneo, J., Pardal, R., & Ortega-Sáenz, P.
- Venue
- Annual Review of Physiology
- Publisher
- Annual Reviews
- Published
- 2001-03
- Volume
- 63
- Issue
- 1
- Pages
- 259-287
- ISSN
- 0066-4278 (ISSN-L)
- 1545-1585
- OpenAlex
- W2151398015
- Cited by
- 544
- References
- 9
- FWCI
- 2.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- López-Barneo, J., Pardal, R., & Ortega-Sáenz, P. (2001). Cellular Mechanism of Oxygen Sensing. Annual Review of Physiology. https://doi.org/10.1146/annurev.physiol.63.1.259
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