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- W2077570274 abstract "Rho GTPases are key regulators of the activity-dependent changes of neural circuits. Besides being involved in nervous system development and repair, this neural structural plasticity is believed to constitute the cellular basis of learning and memory. Here we report that concurrent modulation of cerebral Rho GTPases, including Rac, Rho and Cdc42 subfamilies, by Cytotoxic Necrotizing Factor 1 (CNF1, 10 fmol/kg intracerebroventricularly) improves object recognition in both C57BL/6J and CD1 mice. The improvement is long lasting, as it is still observed 90 days post treatment. At this time, the treatment is associated with enhancement of neurotransmission and long-term potentiation. The effects depend on changes in Rho GTPase status, since the recombinant molecule CNF1 C866S, in which the enzymatic activity was abolished through substitution of serine to cysteine at position 866, is ineffective. The study confirms the role of Rho GTPases in learning and suggests that a single administration of CNF1 is effective for a long time after administration. In general, the long-lasting cognition enhancing effect of CNF1 might be beneficial for the treatment of CNS disorders. This article is part of a Special Issue entitled ‘Cognitive Enhancers’." @default.
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- W2077570274 date "2013-01-01" @default.
- W2077570274 modified "2023-10-18" @default.
- W2077570274 title "Long-lasting efficacy of the cognitive enhancer Cytotoxic Necrotizing Factor 1" @default.
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- W2077570274 doi "https://doi.org/10.1016/j.neuropharm.2012.05.031" @default.
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