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Heart Cells Turned Into Biological Pacemaker
2012-12-17 10:59:49

Brett Smith for redOrbit.com - Your Universe Online Cardiologists from The Cedars-Sinai Heart Institute in Los Angeles have announced the development of a biologically-based pacemaker by reprogramming ordinary heart cells using the introduction of a single gene - Tbx18. "Although we and others have created primitive biological pacemakers before, this study is the first to show that a single gene can direct the conversion of heart muscle cells to genuine pacemaker cells. The new cells...


Word of the Day
attercop
  • A spider.
  • Figuratively, a peevish, testy, ill-natured person.
'Attercop' comes from the Old English 'atorcoppe,' where 'atter' means 'poison, venom' and‎ 'cop' means 'spider.' 'Coppa' is a derivative of 'cop,' top, summit, round head, or 'copp,' cup, vessel, which refers to 'the supposed venomous properties of spiders,' says the OED. 'Copp' is still found in the word 'cobweb.'
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