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Freudenthal, R.; Boccia, M.M.; Acosta, G.B.; Blake, M.G.; Merlo, E.; Baratti, C.M.; Romano, A. "NF-κB transcription factor is required for inhibitory avoidance long-term memory in mice" (2005) European Journal of Neuroscience. 21(10):2845-2852
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Abstract:

Although it is generally accepted that memory consolidation requires regulation of gene expression, only a few transcription factors (TFs) have been clearly demonstrated to be specifically involved in this process. Increasing research data point to the participation of the Rel/nuclear factor-κB (NF-κB) family of TFs in memory and neural plasticity. Here we found that two independent inhibitors of NF-κB induced memory impairment in the one-trial step-through inhibitory avoidance paradigm in mice: post-training administration of the drug sulfasalazine and 2 h pretraining administration of a double-stranded DNA oligonucleotide containing the NF-κB consensus sequence (κB decoy). Conversely, one base mutation of the κB decoy (mut-κB decoy) injection did not affect long-term memory. Accordingly, the κB decoy inhibited NF-κB in hippocampus 2 h after injection but no inhibition was found with mut-κB decoy administration. A temporal course of hippocampal NF-κB activity after training was determined. Unexpectedly, an inhibition of NF-κB was found 15 min after training in shocked and unshocked groups when compared with the naïve group. Hippocampal NF-κB was activated 45 min after training in both shocked and unshocked groups, decreasing 1 h after training and returning to basal levels 2 and 4 h after training. On the basis of the latter results, we propose that activation of NF-κB in hippocampus is part of the molecular mechanism involved in the storage of contextual features that constitute the conditioned stimulus representation. The results presented here provide the first evidence to support NF-κB activity being regulated in hippocampus during consolidation, stressing the role of this TF as a conserved molecular mechanism for memory storage. © Federation of European Neuroscience Societies.

Registro:

Documento: Artículo
Título:NF-κB transcription factor is required for inhibitory avoidance long-term memory in mice
Autor:Freudenthal, R.; Boccia, M.M.; Acosta, G.B.; Blake, M.G.; Merlo, E.; Baratti, C.M.; Romano, A.
Filiación:Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Cátedra de Farmacología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, Buenos Aires, Argentina
Instituto de Investigaciones Farmacológicas (ININFA-CONICET), Junín 956, Buenos Aires, Argentina
Palabras clave:κB decoy; Gel shift; Hippocampus; Sulfasalazine; double stranded DNA; immunoglobulin enhancer binding protein; oligonucleotide; salazosulfapyridine; transcription factor; indometacin; salazosulfapyridine; animal behavior; animal experiment; animal tissue; article; avoidance behavior; controlled study; darkness; gene expression regulation; gene mutation; habituation; hippocampus; inhibitory avoidance behavior; long term memory; male; memory consolidation; mouse; nerve cell plasticity; neuropathology; nonhuman; priority journal; signal transduction; task performance; training; animal; drug effect; electric shock; memory; metabolism; physiology; Animals; Avoidance Learning; Electroshock; Indomethacin; Male; Memory; Mice; Neuronal Plasticity; NF-kappa B; Sulfasalazine; Transcription Factors
Año:2005
Volumen:21
Número:10
Página de inicio:2845
Página de fin:2852
DOI: http://dx.doi.org/10.1111/j.1460-9568.2005.04126.x
Título revista:European Journal of Neuroscience
Título revista abreviado:Eur. J. Neurosci.
ISSN:0953816X
CODEN:EJONE
CAS:salazosulfapyridine, 599-79-1; indometacin, 53-86-1, 74252-25-8, 7681-54-1; Indomethacin, 53-86-1; NF-kappa B; Sulfasalazine, 599-79-1; Transcription Factors
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0953816X_v21_n10_p2845_Freudenthal

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Citas:

---------- APA ----------
Freudenthal, R., Boccia, M.M., Acosta, G.B., Blake, M.G., Merlo, E., Baratti, C.M. & Romano, A. (2005) . NF-κB transcription factor is required for inhibitory avoidance long-term memory in mice. European Journal of Neuroscience, 21(10), 2845-2852.
http://dx.doi.org/10.1111/j.1460-9568.2005.04126.x
---------- CHICAGO ----------
Freudenthal, R., Boccia, M.M., Acosta, G.B., Blake, M.G., Merlo, E., Baratti, C.M., et al. "NF-κB transcription factor is required for inhibitory avoidance long-term memory in mice" . European Journal of Neuroscience 21, no. 10 (2005) : 2845-2852.
http://dx.doi.org/10.1111/j.1460-9568.2005.04126.x
---------- MLA ----------
Freudenthal, R., Boccia, M.M., Acosta, G.B., Blake, M.G., Merlo, E., Baratti, C.M., et al. "NF-κB transcription factor is required for inhibitory avoidance long-term memory in mice" . European Journal of Neuroscience, vol. 21, no. 10, 2005, pp. 2845-2852.
http://dx.doi.org/10.1111/j.1460-9568.2005.04126.x
---------- VANCOUVER ----------
Freudenthal, R., Boccia, M.M., Acosta, G.B., Blake, M.G., Merlo, E., Baratti, C.M., et al. NF-κB transcription factor is required for inhibitory avoidance long-term memory in mice. Eur. J. Neurosci. 2005;21(10):2845-2852.
http://dx.doi.org/10.1111/j.1460-9568.2005.04126.x