mTOR inhibition impairs extinction memory reconsolidation

dc.contributor.authorRadiske, Andressa
dc.contributor.authorGonzalez, Maria Carolina
dc.contributor.authorFerreira, Diana Aline Nôga Morais
dc.contributor.authorRossato, Janine Inez
dc.contributor.authorBevilaqua, Lia Rejane Müller
dc.contributor.authorCammarota, Martín Pablo
dc.date.accessioned2021-01-07T18:24:54Z
dc.date.available2021-01-07T18:24:54Z
dc.date.issued2020-12-15
dc.description.resumoFear-motivated avoidance extinction memory is prone to hippocampal brain-derived neurotrophic factor (BDNF)-dependent reconsolidation upon recall. Here, we show that extinction memory recall activates mammalian target of rapamycin (mTOR) in dorsal CA1, and that post-recall inhibition of this kinase hinders avoidance extinction memory persistence and recovers the learned aversive response. Importantly, coadministration of recombinant BDNF impedes the behavioral effect of hippocampal mTOR inhibition. Our results demonstrate that mTOR signaling is necessary for fear-motivated avoidance extinction memory reconsolidation and suggests that BDNF acts downstream mTOR in a protein synthesis-independent manner to maintain the reactivated extinction memory tracept_BR
dc.identifier.citationRADISKE, Andressa; GONZALEZ, Maria Carolina; NÔGA, Diana A.; ROSSATO, Janine I.; BEVILAQUA, Lia R. M.; CAMMAROTA, Martín. mTOR inhibition impairs extinction memory reconsolidation. Learning & Memory, [S. l.], v. 28, n. 1, p. 1-6, dez. 2020. doi: http://dx.doi.org/10.1101/lm.052068.120. Disponível em: http://learnmem.cshlp.org/content/28/1/1.abstract. Acesso em: 07 jan. 2021.pt_BR
dc.identifier.doi10.1101/lm.052068.120
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/31230
dc.languageenpt_BR
dc.publisherCold Spring Harbor Laboratorypt_BR
dc.rightsAttribution-NonCommercial 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/br/*
dc.subjectMemory reconsolidationpt_BR
dc.subjectBrain-derived neurotrophic factorpt_BR
dc.subjectBDNFpt_BR
dc.subjectTOR Serine-threonine kinasespt_BR
dc.subjectMammalian target of rapamycinpt_BR
dc.titlemTOR inhibition impairs extinction memory reconsolidationpt_BR
dc.typearticlept_BR

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