2023
DOI: 10.1101/2023.06.06.543909
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Neuronal Activation of the Gαq Protein EGL-30/GNAQ Late in Life Rejuvenates Cognition Across Species

Morgan E. Stevenson,
Gregor Bieri,
Rachel Kaletsky
et al.

Abstract: Cognitive decline is perhaps the most devastating aging loss. EGL-30/GNAQ and Gαq signaling pathways are highly conserved between C. elegans and mammals. We find that activation of EGL-30 in aged worms at least triples memory span, and we wondered if this highly conserved pathway could also improve memory in very old mice. Murine Gnaq is enriched in hippocampal excitatory neurons and declines with age. Furthermore, GNAQ gain-of-function significantly improved memory in aged mice: GNAQ(gf) in hippocampal neuron… Show more

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