Human Intelligence Linked to Protein


	Human Intelligence Linked to Protein

laceym

5-9-2007 3:43 PM

528 views

tags:

science, technology, health, brains, intelligence, evolution, dna

laceym says:

I had to include the picture from fark with the article.

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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/95e4617f-9c20-4ce2-bc59-cef9e64948ba/7504F59E-70BF-499C-B2FB-D15B85213CC8/" 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://forums.fark.com/cgi/fark/comments.pl?IDLink=2792341" href="http://forums.fark.com/cgi/fark/comments.pl?IDLink=2792341" style="font-size: 11px;">forums.fark.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://forums.fark.com/cgi/fark/comments.pl?IDLink=2792341"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/forums.fark.com/img/7B837346-7DB1-46E7-B5B1-A2FBA9B6C4D2" alt="i44.photobucket.com" /></div></blockquote><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://content8.clipmarks.com/images/clip-icon.gif" 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.cbc.ca/cp/HealthScout/070508/6050811AU.html" href="http://www.cbc.ca/cp/HealthScout/070508/6050811AU.html" style="font-size: 11px;">www.cbc.ca</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.cbc.ca/cp/HealthScout/070508/6050811AU.html"><P>(HealthDay News) - A certain form of a protein called neuropsin, which plays a role in learning and memory, is expressed only in the central nervous system of humans, concludes a Chinese study that compared the DNA of humans to several species of monkeys and apes.</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.cbc.ca/cp/HealthScout/070508/6050811AU.html"><P>The finding gives valuable insight into the evolution of the human brain, says a team from the Chinese Academy of Sciences, Kunming.</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.cbc.ca/cp/HealthScout/070508/6050811AU.html"><P>The study also found that type II neuropsin found in humans originated about five million years ago. Type II neuropsin is a longer form of the protein.</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.cbc.ca/cp/HealthScout/070508/6050811AU.html"><P>The findings, which contribute to the understanding of human cognition, are expected to be published online in the journal Human Mutation.</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.cbc.ca/cp/HealthScout/070508/6050811AU.html"><P>The researchers said that a mutation specific to humans triggers a change in the splicing pattern of the neuropsin gene, creating a new splicing site and a longer protein. When the scientists introduced this mutation into chimpanzees, they started to produce type II neuropsin.</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/7504F59E-70BF-499C-B2FB-D15B85213CC8/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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