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Mice can inherit learned sensitivity to a smell
Date:12/2/2013

smitted epigenetically. The difference here is that the odor-sensitivity-learning process is affecting the nervous system and apparently, reproductive cells too -- in such a specific way."

What the researchers don't know yet:

  • Are these effects reversible if sensitized parents later learn not to be afraid of an odor, will effects still be seen in their pups?

  • Does it only happen with odors? Could mice trained to be afraid of a particular sound, for example, pass on a sensitivity to that sound?

  • Do all the sperm or egg cells bear epigenetic marks conveying odor sensitivity?

  • How does information about odor exposure reach the sperm or eggs?

"We are really just scratching the surface at this point," Dias says. "Our next goal must be to buffer descendant generations from these effects, Such interventions could form the core of a treatment to prevent the development of neuropsychiatric disorders with roots in ancestral trauma."


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Contact: Quinn Eastman
qeastma@emory.edu
404-727-7829
Emory Health Sciences
Source:Eurekalert  

Page: 1 2 3

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