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Amaze Lab
  • 14 hours ago
What if scientists could change a single one of your genes to give you superpowers? Well, that sci-fi plot line might not be fiction much longer as researchers have basically done exactly that in mice.
Transcript
00:00What if scientists could change a single one of your genes to give you superpowers?
00:07Well, that sci-fi plotline might not be fiction much longer, as researchers have basically done
00:12exactly that in mice. University of Michigan neurobiologists changed a single gene,
00:18which is known to be integral to the expression of nerve growth related to hearing.
00:22Their previous investigations have allowed them to restore hearing in mice that was due to both
00:26aging and damage. However, this time they've increased the number of synaptic connections
00:30in the inner ear, and the results are pretty wild. They found that not only does this more or less
00:35give the mice a super sense of hearing, but their brain was able to process the new ability just fine,
00:40finding that while they are able to hear more and perform better in behavioral tests than control
00:44mice, their startle sense still remains normal, meaning they are not overloaded with an inability
00:48to process all of the extra sound. They say this indicates that the extra synapses are also aiding
00:53with the rodents' ability to distinguish different sounds from one another as well. They say this
00:58could be a huge boon for hearing loss in humans, with the researchers saying that many hearing
01:02disorders start with loss of synapses in the brain.
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