Light stimulation did not boost the number of
spines in normal mice or strengthen the fear memory, nor did indiscriminately shining light in the dentate gyrus result in any long - term memory improvement.
Not exact matches
Remarkably, giving animals injections of lithium salts — which mimics WNT signaling by inhibiting the molecule GSK3 — or giving animals a more specific GSK inhibitor, the researchers were able to restore
normal synapse and
spine numbers and also improve some of the most significant psychiatric - like behavioral abnormalities
in these
mice.
«The J20 / caspase -2 null
mice showed the same dendritic
spine density and morphology as the
normal mice — as opposed to the deficits
in the J20
mice,» said co-lead author Julio Pozueta, PhD.
«The successful retrieval of memories
in AD
mice by increasing the number of
spines for
normal memory processing only
in the memory cells, rather than
in a broad population of cells, highlights the importance of highly - targeted manipulation of neurons and their circuits for future therapies.
«The successful retrieval of memories
in AD
mice by increasing the number of
spines for
normal memory processing only
in the memory cells, rather than
in a broad population of cells, highlights the importance of highly - targeted manipulation of neurons and their circuits for future therapies,» said Tonegawa
in a statement.