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Radical new theory of aging: Gene drift
A53GG4
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8-5-2008 3:12 PM
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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/30febb00-ad4c-4b38-a30e-979e21fce003/733808F5-16F0-4462-B75F-38AB7840EDB8/" 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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY" href="http://www.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY" style="font-size: 11px;">www.reuters.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><H4 class="standalone">Radical new theory of aging: Gene drift <A target="_blank" href="http://www.blogburst.com" linkindex="45"><IMG border="0" alt="Powered by BlogBurst" src="http://static.reuters.com/resources/images/poweredByBB.gif" /></A></H4></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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><DIV class="standalone"><SPAN class="label">POSTED: Monday, August 04, 2008</SPAN></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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><SPAN class="label">FROM BLOG: <STRONG><A target="_blank" href="http://api.blogburst.com/v1.0/ShowPost.aspx?bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbBlogId=B8h8v2iTSMYP5w612jhjhYh&bbWidgetId=B7ovpm21IaDoL40ZFnNfGe&apiKey=B9PmbFGrmFQSzBYKI1EqsYwN&type=blog" linkindex="46">parallelnormal</A></STRONG> - Sci + Tech + The New Normal By the Boston Globe's Personal Tech columnist, Mark Baard</SPAN></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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><EM>(Feely rusty? Oxidative stress may not be what’s killing you, after all. Photo: <A href="http://www.flickr.com/people/chovy/" linkindex="47">Shane Anderson</A>) </EM></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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><P>from Mark:</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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><P>Put away your free-radical scavenging face cream and your anti-oxidant horse pills: Old age is not about “rust.” It is the result of a derailing of genetic pathways in older animals, according to a new study.</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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.reuters.com/img/F96503A4-C1E7-4CED-8785-A6EA3A431D76" alt="" /></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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><P>According to a group of Stanford University scientists who examined some very tiny worms, we are living beyond natural selection’s ability to get rid of those susceptible to this “developmental drift,” because they have already reproduced.</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.reuters.com/article/blogBurst/science?type=scienceNews&w1=B7ovpm21IaDoL40ZFnNfGe&w2=B80EKKDZW7XjzuNGrifTUKY&src=blogBurst_scienceNews&bbPostId=BA0i7p9lHxQ8Cz3jP9GBHmYjFCzDO6xHcbtjh9BEIoNR5RMiVr&bbParentWidgetId=B80EKKDZW7XjzuNGrifTUKY"><P>“We found a normal developmental program that works in young animals, but becomes unbalanced as the worm gets older,” said the lead scientist on the worm study. “It accounts for the lion’s share of molecular differences between young and old worms.”</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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/733808F5-16F0-4462-B75F-38AB7840EDB8/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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