Výsledky vyhledávání - "Julietta U. Frey"

Akademický článek

Nuclear translocation of jacob in hippocampal neurons after stimuli inducing long-term potentiation but not long-term depression.

Autor: Thomas Behnisch, Pingan Yuanxiang, Philipp Bethge, Suhel Parvez, Ying Chen, Jin Yu, Anna Karpova, Julietta U Frey, Marina Mikhaylova, Michael R Kreutz

Publikováno v: PLoS ONE, Vol 6, Iss 2, p e17276 (2011)

BackgroundIn recent years a number of potential synapto-nuclear protein messengers have been characterized that are thought to be involved in plasticity-related gene expression, and that have the capacity of importin- mediated and activity-dependent

Externí odkaz: https://doaj.org/article/4e23ee731e04442daaf05ab82e8a2db3

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The effect of acute swim stress and training in the water maze on hippocampal synaptic activity as well as plasticity in the dentate gyrus of freely moving rats: Revisiting swim-induced LTP reinforcement

Autor: Heena Tabassum, Julietta U. Frey

Publikováno v: Hippocampus. 23:1291-1298

Hippocampal long-term potentiation (LTP) is a cellular model of learning and memory. An early form of LTP (E-LTP) can be reinforced into its late form (L-LTP) by various behavioral interactions within a specific time window (“behavioral LTP-reinfor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::652d335e335cadbff85640aa665b1788
https://doi.org/10.1002/hipo.22166

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Novelty exposure overcomes foot shock-induced spatial-memory impairment by processes of synaptic-tagging in rats

Autor: Nancy Pavón-Fuentes, William Almaguer-Melian, Esteban Alberti-Amador, Julietta U. Frey, Daymara Mercerón-Martínez, Jorge Bergado-Rosado

Publikováno v: Proceedings of the National Academy of Sciences. 109:953-958

Novelty processing can transform short-term into long-term memory. We propose that this memory-reinforcing effect of novelty could be explained by mechanisms outlined in the “synaptic tagging hypothesis.” Initial short-term memory is sustained by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc0ece7b9799433fb875841a3e9be19e
https://doi.org/10.1073/pnas.1114198109

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Differential effects of electrical stimulation patterns, motivational-behavioral stimuli and their order of application on functional plasticity processes within one input in the dentate gyrus of freely moving rats in vivo

Autor: Jorge A. Bergado, W. Almaguer-Melian, J. López-Rojas, Julietta U. Frey, Sabine Frey

Publikováno v: Neuroscience. 165:1546-1558

Hippocampal long-term potentiation (LTP) is a long-lasting increase in synaptic efficacy considered to be the cellular basis of memory. LTP consists of an early, protein synthesis-independent phase (E-LTP) and a late phase that depends on protein syn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b21ff89f4c82d9524bb5418fa9b97ff
https://doi.org/10.1016/j.neuroscience.2009.11.068

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Stimulation of the nucleus raphe medialis modifies basal synaptic transmission at the dentate gyrus, but not long-term potentiation or its reinforcement by stimulation of the basolateral amygdala

Autor: Thomas Scherf, William Almaguer-Melian, Sabine Frey, Julietta U. Frey, Jeffrey López, Jorge A. Bergado

Publikováno v: Neuroscience Letters. 464:179-183

Affective factors importantly interact with behavior and memory. Physiological mechanisms that underlie such interactions are objects of intensive studies. This involves the direct investigation of its relevance to understand learning and memory form

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9adac5383dc2d4bfecfed86cc1e08d5
https://doi.org/10.1016/j.neulet.2009.08.034

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Modulation of extracellular monoamine transmitter concentrations in the hippocampus after weak and strong tetanization of the perforant path in freely moving rats

Autor: Julietta U. Frey, Frank Neugebauer, Volker Korz

Publikováno v: Brain Research. 1273:29-38

Hippocampal long-term potentiation (LTP) is considered as a cellular model of memory formation. Specific, electrical weak tetanization of distinct afferents such as the medial perforant path results in a short-lasting, protein synthesis-independent e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5f391933218000cd179e47552804a53
https://doi.org/10.1016/j.brainres.2009.03.055

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Spatial learning in the holeboard impairs an early phase of long-term potentiation in the rat hippocampal CA1-region

Autor: Julietta U. Frey, Sabine Frey, Volker Korz, Darya Makhracheva-Stepochkina

Publikováno v: Neurobiology of Learning and Memory. 89:545-551

Long-term potentiation (LTP) and depression (LTD) are considered as cellular models for learning and memory. We studied the impact of holeboard training on LTP in the rat CA1 hippocampal region. In 7-week-old Wistar rats a recording electrode was chr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d504e4cc275983667fbacc520a78d3f6
https://doi.org/10.1016/j.nlm.2007.11.003

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Maternal separation during a specific postnatal time window prevents reinforcement of hippocampal long-term potentiation in adolescent rats

Autor: Michael Gruss, V. Korz, Katharina Braun, Julietta U. Frey

Publikováno v: Neuroscience. 152:1-7

In an attempt to develop an animal model to study the etiology of brain dysfunction in relation to early life experience, we tested the hypothesis that early-life stress during specific postnatal time windows affects long-term potentiation (LTP) rein

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d73b64cbabf76af813b4457d7fc61c5
https://doi.org/10.1016/j.neuroscience.2007.12.033

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