Abstract It has been known for more than 60 years, and suspected for over 100, that alveolar hypoxia causes pulmonary vasoconstriction by means of mechanisms local to the lung. For the last 20 years, it has been clear that the essential sensor, transduction, and effector mechanisms responsible for hypoxic pulmonary vasoconstriction (HPV) reside in the pulmonary arterial smooth muscle cell. The main focus of this review is the cellular and molecular work performed to clarify these intrinsic mechanisms and to determine how they are facilitated and inhibited by the extrinsic influences of other cells. Because the interaction of intrinsic and extrinsic mechanisms is likely to shape expression of HPV in vivo, we relate results obtained in cells to HPV in more intact preparations, such as intact and isolated lungs and isolated pulmonary vessels. Finally, we evaluate evidence regarding the contribution of HPV to the physiological and pathophysiological processes involved in the transition from fetal to neonatal life, pulmonary gas exchange, high-altitude pulmonary edema, and pulmonary hypertension. Although understanding of HPV has advanced significantly, major areas of ignorance and uncertainty await resolution. « Previous Table of Contents This Article doi: 10.1152/physrev.00041.2010 Physiol Rev January 2012 vol. 92 no. 1 367-520 » Abstract Free Full Text Free to you Full Text (PDF) Free to you Classifications Article Services Email this article to a friend Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Download to citation manager Citing Articles Load citing article information Citing articles via Web of Science Google Scholar Articles by Sylvester, J. T. Articles by Ward, J. P. T. PubMed Articles by Sylvester, J. T. Articles by Ward, J. P. T. Related Content Load related web page information Current Issue January 2012, 92 (1) Alert me to new issues of Physiol Rev About the Journal Information for Authors Submit a Manuscript Ethical Policies AuthorChoice PubMed Central Policy Reprints and Permissions Advertising Press Copyright © 2012 the American Physiological Society Print ISSN: 0031-9333 Online ISSN: 1522-1210 var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-2924550-1"); pageTracker._trackPageview();
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Hypoxic Pulmonary Vasoconstriction
Sylvester, J. T.; Shimoda, Larissa A.; Aaronson, Philip I.; Ward, Jeremy P. T.
Follow Physiological Reviews
, Volume 92 (1): 367
The American Physiological Society – Jan 1, 2012
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