Aging May Be Controlled by Brake and Accelerator Genes


	Aging May Be Controlled by Brake and Accelerator Genes

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7-25-2008 12:13 AM

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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://www.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/30771a41-d4c1-4183-ab09-c183b8ddf971/FB14B6F1-D4F2-4C95-BFEE-75BB9FEB9D69/" 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.sciam.com/article.cfm?id=aging-controlled-by-genes&sc=rss" href="http://www.sciam.com/article.cfm?id=aging-controlled-by-genes&sc=rss" style="font-size: 11px;">www.sciam.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=aging-controlled-by-genes&sc=rss"><H1>Aging May Be Controlled by Brake and Accelerator Genes</H1></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.sciam.com/article.cfm?id=aging-controlled-by-genes&sc=rss"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.sciam.com/img/B8631D07-8C2D-4FD4-86D4-C4F556710DA9" alt="aging worm" /></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.sciam.com/article.cfm?id=aging-controlled-by-genes&sc=rss"><DIV>Can we tweak certain genes to <A href="http://www.sciam.com/article.cfm?id=long-lived-worms">stave off the aging process</A>—or, conversely, to speed it up? New research indicates that it may one day be possible.</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.sciam.com/article.cfm?id=aging-controlled-by-genes&sc=rss"><DIV>  Scientists have discovered genetic switches in roundworms (<EM>Caenorhabditis elegans</EM>)—whose genetic makeup is remarkably similar to that of humans—that apparently cause the spineless critters to grow old when flicked on but, when off, may extend their lives.</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.sciam.com/article.cfm?id=aging-controlled-by-genes&sc=rss"><DIV>  "This is a new and potentially powerful circuit that has just been discovered," says Brown University biologist <A href="http://www.sciam.com/article.cfm?id=insulin-sets-the-pace-of">Marc Tatar</A>, who was not involved in the study. "The take-home message is that aging can be slowed and managed by manipulating signaling circuits within cells."</DIV></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/FB14B6F1-D4F2-4C95-BFEE-75BB9FEB9D69/blog/" title="blog or email this clip"><img src="http://content6.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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