Previous experiment (a) When Dnmt3a2 is overexpressed in aged mice, it improves memory formation. (b) Conversely, when Dnmt3a2 is artificially reduced in young mice by shRNA-mediated knockdown, this is sufficient to disrupt memory formation. These results demonstrate the requirement for Dnmt3a2 in hippocampus-dependent memory formation.
Research findings could lead to new treatment for anxiety disorders including PTSD. Mouse experiments showed that the Dnmt3a2 protein can boost memory performance in the animals. Because this protein also affects fear memory and the ability to erase bad memories, the researchers hope these findings can be used to develop new treatments for post-traumatic stress disorder and other forms of anxiety.
In an earlier study, the Heidelberg scientists learned that ...
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