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Some Reflections on Intermittent Hypoxia. Does it Constitute the Translational Niche for Carotid Body Chemoreceptor Researchers?

  • Constancio GonzalezEmail author
  • Sara Yubero
  • M. Angela Gomez-Niño
  • Teresa Agapito
  • Asuncion Rocher
  • Ricardo Rigual
  • Ana Obeso
  • Jose M. Montserrat
Conference paper
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 758)

Abstract

The views presented in this article are the fruit of reflections and discussion with my colleagues at Valladolid and with the members of the Sleep Apnea Hypopnea Syndrome Group of the CIBERES (Spain). We have assembled the article in three sections. In the first one we provide a mechanistic description of obstructive sleep apnea (OSA) and all of its components, including the repetitive episodes of upper airways (UA) obstruction and accompanying hypoxic hypoxia, the respiratory efforts to fight and overcome the obstruction, and the sleep fragmentation due to the hypoxia-triggered arousal reactions, all events occurring during sleep hours with frequencies that might reach up >40–50 episodes/sleep hour. When OSA is accompanied by some of the elements of a big cohort of associated pathologies (vascular, metabolic, and neuropsychiatric) it conforms the obstructive sleep apnea syndrome (OSAS). The high frequency of OSAS in adults (>35 years old) and the costs in every regard of the treatment makes the syndrome a primary importance socio-sanitary problem. In the second section, we describe the experimental models of OSAS, basically the episodic repetitive hypoxic model described by Fletcher and coworkers in 1992, today named in short intermittent hypoxia (IH). From these lines, we want to call for some kind of consensus among researchers to lessen the dispersion of IH protocols. Finally, in the last section we intend to share our optimism with all ISAC members. The optimism is based on the recognition that carotid body (CB) chemoreceptors are critical elements of one of the main pathophysiologic loops in the genesis of OSAS. Therefore, we believe that all of us, as ISAC members, are well qualified to contribute in multidisciplinary research teams with well defined translational interests.

Keywords

Carotid body Intermittent hypoxia Obstructive sleep apnea Obstructive sleep apnea syndrome Translational research 

Notes

Acknowledgements

Supported by the MICINN grant (BFU2007-61848) and Accion Integrada PT2009-0172 and ICiii-CIBERES CB06/06/0050.

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Constancio Gonzalez
    • 1
    • 2
    Email author
  • Sara Yubero
    • 1
    • 2
  • M. Angela Gomez-Niño
    • 1
    • 2
  • Teresa Agapito
    • 1
    • 2
  • Asuncion Rocher
    • 1
    • 2
  • Ricardo Rigual
    • 1
    • 2
  • Ana Obeso
    • 1
    • 2
  • Jose M. Montserrat
    • 1
    • 3
  1. 1.CIBER Enfermedades RespiratoriasValladolidSpain
  2. 2.Department of Biochemistry and Molecular Biology and Physiology, and IBGMUniversidad de Valladolid and CSICValladolidSpain
  3. 3.Laboratori de la SonPneumologia Hospital Clínic-IDIBAPSBarcelonaSpain

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