ArticleMolecular brain2018
Elevated contextual fear memory by SIRT6 depletion in excitatory neurons of mouse forebrain.
Article in Molecular brain, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 17 citations in OpenAlex.
- Review
- Crucial role of Snf7-3 in synaptic function and cognitive behavior revealed by conventional and conditional knockout mouse models.Neuroscience · 2024Article
- The Structures, Functions, and Roles of Class III HDACs (Sirtuins) in Neuropsychiatric Diseases.Cells · 2024Review
- Time-course analysis of frontal gene expression profiles in the rat model of posttraumatic stress disorder and a comparison with the conditioned fear model.Neurobiology of stress · 2023Article
- Emphasizing the Crosstalk Between Inflammatory and Neural Signaling in Post-traumatic Stress Disorder (PTSD).Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2023Review
- Effect of Sirt3 on hippocampal MnSOD activity, mitochondrial function, physiology, and cognition in an aged murine model.Behavioural brain research · 2023Article
- Sirtuin 6 inhibition protects against glucocorticoid-induced skeletal muscle atrophy by regulating IGF/PI3K/AKT signaling.Nature communications · 2022Article
- Sirtuins and cognition: implications for learning and memory in neurological disorders.Frontiers in physiology · 2022Review
- Molecular insights into the benefits of nicotine on memory and cognition (Review).Molecular medicine reports · 2021Review
- Emerging roles of SIRT6 in human diseases and its modulators.Medicinal research reviews · 2021Review
- Sirt6 Deacetylase: A Potential Key Regulator in the Prevention of Obesity, Diabetes and Neurodegenerative Disease.Frontiers in pharmacology · 2020Article
- Spatial Learning and Motor Deficits inExperimental neurobiology · 2019Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
A class of NAD-dependent protein deacetylases, the Sirtuin (SIRT) family of proteins is involved in aging, cell survival, and neurodegeneration. Recently, SIRT proteins, including SIRT6, have been reported to be important in learning and memory. However, the role of SIRT6 in excitatory brain neurons in cognitive behaviors is not well characterized. We investigated how cognitive behaviors are affected by genetic SIRT6 depletion in excitatory neurons in the mouse forebrain. We generated a conditional knockout (cKO) mouse line by mating two transgenic lines, Floxed SIRT6 and CaMKIIa-Cre. SIRT6 was thus deleted by Cre recombinase in CaMKIIa-expressing excitatory neurons. We performed cognitive behavioral tests, focusing on learning and memory, including contextual fear conditioning and Morris-water maze. The freezing level of SIRT6 cKO before the fear conditioning was comparable to that of wild-type littermate controls, while the freezing level after the conditioning was higher in SIRT6 cKO mice. In contrast, the mice showed normal spatial learning and memory in the Morris-water maze. In addition, anxiety and locomotion were also normal in SIRT6 cKO mice. SIRT6 genetic depletion enhanced contextual fear memory without affecting spatial memory. Since a previous report showed that overexpression of SIRT6 reduced contextual fear memory, our results suggest that the expression level of SIRT6 bi-directionally regulates contextual fear memory in mice.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.