Cloning advances may defuse ethical hurdles


	Cloning advances may defuse ethical hurdles

wildcat

6-11-2007 6:13 AM

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tags:

science, cloning, stem cells, health, ethics

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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/114452cd-f5a5-4410-8412-ca170f04119b/2906EFC7-1176-4F69-992E-788B2EE6F950/" 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.cosmosmagazine.com/node/1370" href="http://www.cosmosmagazine.com/node/1370" style="font-size: 11px;">www.cosmosmagazine.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.cosmosmagazine.com/node/1370"><P>MELBOURNE: Four new studies in mice report advances in making cloned stem cells which - if successful in humans - would sidestep some of the major ethical barriers to their use.</p> <P>Many people frown on the idea of cloning human beings, but cloning your own stem cells to repair failing organs is hailed as a great idea. This is the promise of so-called therapeutic cloning.</p> <P>There are two ethical snags, however. One is that the technique requires the creation of a cloned embryo, which is later destroyed to obtain its stem cells. The other is that creating that clone embryo relies on women donating their unfertilised eggs – a procedure which exposes them to some health risks, however small.</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.cosmosmagazine.com/node/1370">To clone an embryo, researchers currently take the nucleus of a skin cell (which contains the DNA in chromosomes), and place it in an egg whose own chromosomes have been removed. Some of its 'Promethean factor'</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/2906EFC7-1176-4F69-992E-788B2EE6F950/blog/" title="blog or email this clip"><img src="http://content9.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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