G
Gayane Grigoryan
Researcher at Weizmann Institute of Science
Publications - 13
Citations - 383
Gayane Grigoryan is an academic researcher from Weizmann Institute of Science. The author has contributed to research in topics: Hippocampal formation & Long-term potentiation. The author has an hindex of 10, co-authored 13 publications receiving 316 citations. Previous affiliations of Gayane Grigoryan include Braunschweig University of Technology.
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Journal ArticleDOI
Trisomy of the G protein-coupled K+ channel gene, Kcnj6, affects reward mechanisms, cognitive functions, and synaptic plasticity in mice.
TL;DR: The findings suggest that triplication of Kcnj6 gene may play an active role in some of the abnormal neurological phenotypes found in Down syndrome.
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Neuronal profilins in health and disease: Relevance for spine plasticity and Fragile X syndrome
Kristin Michaelsen-Preusse,Sabine Zessin,Gayane Grigoryan,Franziska Scharkowski,Jonas Feuge,Anita Remus,Martin Korte +6 more
TL;DR: Evidence is provided that the two brain isoforms, profilin1 (PFN1) and PFN2a, regulate spine actin dynamics in an opposing fashion, and that whereas both profilins are needed during synaptogenesis, only PFN3a is crucial for adult spine plasticity, which suggests that PFN1 is the juvenile isoform important during development, whereas PFN 2a is mandatory for spine stability and plasticity in mature neurons.
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Selective facilitation of LTP in the ventral hippocampus by calcium stores.
TL;DR: There was a striking difference between the two regions in the magnitude of effect of both drugs, as well as the ability to interact with a tetanic stimulation to produce LTP.
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Juvenile stress alters LTP in ventral hippocampal slices: Involvement of noradrenergic mechanisms
TL;DR: Investigating the long-term effect of juvenile stress on synaptic plasticity in the ventral and dorsal hippocampus of adult, 3 month old rats found that the ventrals expresses a lasting sensitivity to adrenergic modulation, thus likely to affect the emotional response to challenging situations in adulthood.
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Lasting Differential Effects on Plasticity Induced by Prenatal Stress in Dorsal and Ventral Hippocampus
Gayane Grigoryan,Menahem Segal +1 more
TL;DR: The differences between DH and VH are summarized and functional and structural effects of prenatal stress in the two sectors are discussed, with the realization that much is yet to be explored in understanding the opposite reactivity of the DH andVH to stressful stimulation.