Beating Heart Tissue from Stem Cells


	Beating Heart Tissue from Stem Cells

chestnut501

10-17-2009 11:43 PM

292 views

tags:

science, news, health, stem-cells, heart, beating-heart, tissue

chestnut501 says:

In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats.

2 Comments |

Add a Comment

10-21-2009 6:00 PM

lollipop10

This is great, but it just seems so bizarre.

10-30-2009 2:54 AM

chestnut501

This sucks

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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/2271b5b1-0e3c-40ae-b6c9-8eb1ef8f32ba/EB394DF2-8195-4B68-9CA4-2E8BA78EB2B3/" 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.scientificamerican.com/podcast/episode.cfm?id=beating-heart-tissue-from-stem-cell-09-10-15" href="http://www.scientificamerican.com/podcast/episode.cfm?id=beating-heart-tissue-from-stem-cell-09-10-15" style="font-size: 11px;">www.scientificamerican.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.scientificamerican.com/podcast/episode.cfm?id=beating-heart-tissue-from-stem-cell-09-10-15">One of the goals of regenerative medicine is to make tissue to replace our own 
damaged body parts. That’s still a ways off. But starting with mouse embryonic 
<A href="http://www.scientificamerican.com/topic.cfm?id=stem-cell-research">stem cells</A>, researchers have 
succeeded in creating heart muscle that actually beats. </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.scientificamerican.com/podcast/episode.cfm?id=beating-heart-tissue-from-stem-cell-09-10-15"><P>Different sets of progenitor cells in the heart give rise to two different types of heart cells—muscle and nonmuscle. To make beating heart muscle, researchers needed to figure out just which cells were the ones that they needed. They used colored fluorescent tags to identify the groups in question in embryos, allowing the correct cells to be harvested.</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.scientificamerican.com/podcast/episode.cfm?id=beating-heart-tissue-from-stem-cell-09-10-15">The cells needed to link up in a form that will allow them to beat together. So 
the researchers borrowed from microchip technology. They created patterns on a 
film,</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.scientificamerican.com/podcast/episode.cfm?id=beating-heart-tissue-from-stem-cell-09-10-15"> Laying down the cells within these patterns forces them to take the distinctive 
shape of cardiac muscle cells, which lets the cells link and beat in sync. The 
ultimate goal is to grow beating heart muscle from a patient’s own cells</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/EB394DF2-8195-4B68-9CA4-2E8BA78EB2B3/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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