Genetic 'defect' linked to narcolepsy


	Genetic 'defect' linked to narcolepsy

pokkets

9-29-2008 7:42 PM

278 views

pokkets says:

What does also seems worth investigating , is the fact that the condition appears in late adolescence or early adulthood. Why no earlier?

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/5a14165f-2b45-4494-922f-8127591c084a/43A66879-90C2-405A-A175-6CBD4436D79D/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest" href="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest" style="font-size: 11px;">www.abc.net.au</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest"><P class="first">Scientists in Japan have identified a genetic mutation linked to narcolepsy, a disease that can cause someone to doze off in mid-sentence or behind the wheel of a car.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.abc.net.au/img/722E0555-F0DF-40EE-948C-AA02EAFFF9C7" alt="sleeping youth" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest"><P>Other symptoms of the condition, which shows up in late adolescence or early adulthood, include excessive daytime drowsiness, vivid hallucinations on the threshold of sleep, and the sudden, temporary loss of muscle control, often triggered by emotional shock.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest"><P>A team of researchers led by Professor Katsushi Tokunaga at the <A target="_blank" href="http://www.u-tokyo.ac.jp/index_e.html">University of Tokyo</A> compared the genetic profiles of persons with and without the sleep-inducing disease.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest"><P>The research appears in the latest issue of <A target="_blank" href="http://www.nature.com/ng/"><EM>Nature Genetics</EM></A>.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest"><P>The prevalence of the disease varies widely in different countries. In Europe and the United States, narcolepsy is as common as Parkinson's disease or multiple sclerosis, affecting on average one in every 2500 people.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2008/09/29/2376898.htm?site=science&topic=latest"><P>But in Japan the frequency is four times higher, while in Israel only one in half-a-million people have the condition.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/43A66879-90C2-405A-A175-6CBD4436D79D/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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