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An Overview of Hypoxia | Research Areas: Novus Biologicals
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<div id="caspertesting"> <div class="container_16"> <div id="page-breadcrumb" class="grid_16"> <div class="breadcrumb"><a href="/">Home</a> » <a href="/research-areas.html">Research Areas</a> » Hypoxia</div> <div class="region region-banners"> <div id="block-block-26" class="block block-block"> <div class="content"> <div class="container_12"><a href="https://www.bio-techne.com/account/novus-bio-techne/login?_ga=2.17257593.151271452<br /> 5.1724696046-473375462.1712005244" style="margin: 0 10px;" target="_blank"><img alt="Novus Biologicals products are now on bio-techne.com" src="https://images.novusbio.com/design/ready-to-buy-novus-products-login.png" style="height:120px; width:940px" /></a></div> </div> </div> </div> <div class="clear"></div> <div class="ra-header"><img src="https://images.novusbio.com/design/bannerHypoxia03.jpg" class="ra-header" alt="Hypoxia" /></div> </div> <div class="main grid_4"> <div class="ra-menu"><ul><li class="active"><a href="/research-areas/hypoxia">Hypoxia</a></li><li><a href="/research-areas/hypoxia/hypoxia-detection-methods">Detection Methods</a></li><li><a href="/research-areas/hypoxia/hypoxia-inducible-factors-hif">HIFs</a></li><li><a href="/research-areas/hypoxia/hypoxia-signaling">Signaling Pathways</a></li><li><a href="/research-areas/hypoxia/hypoxia-signaling-modulation">Inducers & Inhibitors</a></li><li><a href="/research-areas/hypoxia/resources">Resources</a></li></ul></div><div class="ra-publications"><div class="ra-left-header">Publications</div><div class="ra-left-body"><ul class="ra-publist"><li><a href="https://www.novusbio.com/whitepapers/understanding-the-cellular-response-to-hypoxia" target="_blank"><img src="https://images.novusbio.com/design/hypoxiaWPCellResponseThumb02.png?clearCACHE=true" /></a></li><li><a href="https://www.novusbio.com/whitepapers/hypoxia" target="_blank"><img src="https://images.novusbio.com/design/hypoxiaWPCancerThumb.png?clearCACHE=true" /></a></li></ul></div></div><div class="ra-charities"><div class="ra-left-header">Charities</div><div class="ra-left-body"><span class="ra-button-span"><a href="mailto:marketing@novusbio.com?subject=Charity%20Submission%20for%20Hypoxia" class="ra-button">Submit a Charity</a></span><div class="clear"></div></div></div><div class="ra-events"><div class="ra-left-header">Events</div><div class="ra-left-body"><p class="ra-events-blurb"><span class="ra-events-image"> </span>Submit your event on Hypoxia to be featured.</p><span class="ra-button-span"><a href="mailto:marketing@novusbio.com?subject=Event%20Submission%20for%20Hypoxia&body%3DEvent%20Name%3A%0ADescription%3A%0ADates%3A%0ATime%3A%0ALocation%3A%0AMore%20information%20URL%3A%0AImage%20%28please%20attach%20any%20relevant%20images%29" class="ra-button">Submit an Event</a></span><div class="clear"></div></div></div> </div> <div class="main grid_12"> <table> <tr> <td> <h1>Hypoxia - A State of Decreased Oxygen Levels</h1> <br/> <table width="443" align="center" cellpadding="6"> <tr> <td width="185" align="center"> <a href="/research-areas/hypoxia/hypoxia-detection-methods"><u>Hypoxia Detection Methods</u></a> </td> <td width="205" align="center"> <a href="/research-areas/hypoxia/hypoxia-signaling-modulation"><u>Hypoxia Inducers and Inhibitors</u></a> </td> </tr> </table> <p> Hypoxia is a physiological state characterized by decreased oxygen levels in organs and tissues. Low oxygenation plays a role in embryonic development and may be physiologically normal for some adult tissues which maintain a hypoxic environment (e.g., bone marrow microdomains and thymus). However, commonly oxygen deficiency affects cellular functions and disrupts various biological processes including cell proliferation and differentiation, angiogenesis, metabolism, and pH homeostasis. Therefore, hypoxia is associated with various pathophysiological conditions including <a href="/diseases/chronic-obstructive-airway-disease.html">chronic obstructive pulmonary disease</a>, <a href="/diseases/pulmonary-hypertension.html">pulmonary hypertension</a>, <a href="/diseases/congenital-heart-disease.html">congenital heart disease</a>, <a href="/diseases/cerebral-ischemia.html">cerebral ischemia</a>, and <a href="/research-areas/cancer.html">cancer</a>. </p> <p> Learn more about adaptations to hypoxia: <a href="/whitepapers/hypoxia">The Cellular Response to Hypoxia in Cancer White Paper</a> </p> </td> </tr> <tr> <td align="center"> <h2>Physiologic Median O<sub>2</sub> Levels in Organs and Tissues</h2> <img src="https://images.novusbio.com/design/medianO2LevelsHypoxia05.png" alt="Median O2 Levels in Human Organs and Tissues"> </td> </tr> <tr> <td> <p> Cellular responses to hypoxia are critically dependent on the duration (acute vs chronic) and extent (hypoxia vs anoxia) of the low-oxygen state, and are predominantly mediated by hypoxia inducible factors (HIFs), considered to be “master regulators” of adaptations to low-oxygenation. However, currently it is well accepted that both HIF-dependent and -independent mechanisms play roles in shaping cellular responses to hypoxia in physiology and disease. </p> </td> </tr> <tr> <td> <h2>Defining Hypoxia States*</h2> <table cellpadding="4" cellspacing="4"> <tr bgcolor="#005F9E"> <td width="60%"> <p style="color:white; font-weight:bold;"> <b>Duration</b> </p> </td> <td width="40%"> <p style="color:white; font-weight:bold;"> <b>Extent</b> </p> </td> </tr> <tr style="border-bottom-style: solid; border-color:#005f9e; border-width: 1px;"> <td> <p> <b>Acute</b></br> Low tissue oxygen from minutes to hours, due to temporary limitations in blood flow </p> </td> <td> <p> <b>Hypoxia</b></br> ~ 1-2% O<sub>2</sub> </p> </td> </tr> <tr style="border-bottom-style: solid; border-color:#005f9e; border-width: 1px;"> <td> <p> <b>Chronic</b></br> Low tissue oxygen from hours to days, due to limitations in the diffusion of oxygen to distant tissues </p> </td> <td> <p> <b>Anoxia</b></br> ~ 0.02% O<sub>2</sub> and below </p> </td> </tr> </table> <p style="font-size:80%">*Definitions for hypoxia are based on conditions used in cancer model systems.</p> <br/> <p align="center"><a href="/research-areas/hypoxia/hypoxia-inducible-factors-hif" class="link_button">Learn About HIFs</a></p> <br/><br/> </td> </tr> </table> <div class="ra-product-block"></div> </div> </div> <div id="novus_footer_line"></div> <!-- </div> <div class="container_16" id="novus_footer"> <div id="novus_footer_social" class="grid_16 text_center"> <a href="//www.facebook.com/NovusBiologicals" target="_blank"><span class="sprite_facebook"></span></a> <a href="//twitter.com/novusbio" target="_blank"><span class="sprite_twitter"></span></a> <a href="//plus.google.com/b/114457663504514235763/114457663504514235763/posts" target="_blank"><span class="sprite_gplus"></span></a> <a href="//www.youtube.com/user/NovusBiologicals" target="_blank"><span class="sprite_youtube"></span></a> <a href="//www.linkedin.com/company/novus-biologicals-llc" target="_blank"><span class="sprite_linkedin"></span></a> <a href="//pinterest.com/novusbio/" target="_blank"><span class="sprite_pinterest"></span></a> </div> <div class="grid_16 text_center tableBlue_bar" id="novus_footer_register"> <span>Register with us - 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