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Transplant of new neurons fixes old fears

  • Autores: Alice Klein
  • Localización: New scientist, ISSN 0262-4079, Nº. 3104-3106, 2016, pág. 10
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • Yong-Chun Yu at Fudan University in Shanghai, China, and his team wondered if fearful adult mice could be helped by a transplant of embryonic brain cells. They injected live brain cells from mouse embryos into the amygdalae of adult mice-- the parts of the brain involved in fear. Other mice had implants of dead embryonic brain cells for comparison. Two weeks after the transplants, the mice were conditioned to fear a sound, freezing whenever they heard it and then given extinction training. A week later, mice were played the same sound. The team found that the fear response was three times less likely to return in the mice given live embryonic neurons.


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