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Mutant Gene Causes Deadly Heart Enlargement
Scientists have unraveled how a defective gene can cause dilated cardiomyopathy, a condition that
leads to heart failure, according to a report in today's Circulation: Journal of the American Heart Association. more
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Race Influences Outcome of Liver Transplants
African Americans and Asians have a worse outcome than white Americans and Hispanics after liver
transplantation, both in terms of graft rejection and survival, according to a new Hopkins-led study reported in the 26 January
2002 issue of The Lancet. more
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Zapping The Heart Can Eliminate Source Of Irregular Heart Beat
Smart bombs are touted for their ability to precisely target and destroy an enemy. Now equally "smart"
technology is being used by heart experts to target and destroy cells that trigger the irregular heart rhythm called atrial fibrillation,
according to a report in today's rapid access publication of Circulation: Journal of the American Heart Association. more
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Brain Regions Involved in Learning by Imitation Found
Neuroscientists searching for roots of empathy find brain regions involved in learning by imitation In a
pair of pioneering studies, a French and American team of social-cognitive neuroscientists have identified a network of brain
regions that are involved in human imitation and specific brain areas that enable a person to distinguish the self from
others. more
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New Transgenic Rat Model Of ALS Expands Research Possibilities
A team of scientists led by drug maker Wyeth-Ayerst and Johns Hopkins have engineered and tested
a new rat model of Lou Gehrig's disease they say is far easier to work with than earlier mouse models. Because of their larger
size, the rats should expedite evaluation of novel treatments, such as those using stem cells, as well as deepen understanding of
the fatal disease also known as amyotrophic lateral sclerosis (ALS), the scientists say. The "transgenic" rat, which carries a
human gene, already has revealed the important role played by brain cells called astrocytes, a role obscured in mice. more
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