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• W4296070906 endingPage "103781" @default.
• W4296070906 startingPage "103781" @default.
• W4296070906 abstract "The protein DBC1 is the main SIRT1 regulator known so far, and by doing so, it is involved in the regulation of energy metabolism, especially in liver and fat adipose tissue. DBC1 also has an important function in cell cycle progression and regulation in cancer cells, affecting tumorigenesis. We recently showed that during quiescence, non-transformed cells need DBC1 in order to re-enter and progress through the cell cycle. Moreover, we showed that deletion of DBC1 affects cell cycle progression during liver regeneration. This novel concept prompted us to evaluate the role of DBC1 during adult neurogenesis, where transition from quiescence to proliferation in neuronal progenitors is key and tightly regulated. Herein, we analyzed several markers of cell cycle expressed in the dentate gyrus of the hippocampus of controls and DBC1 KO adult mice. Our results suggest a reduced number of neuroblasts therein present, probably due to a decline of neuroblast generation or an impairment in neural differentiation. In agreement with this, we also found that adult DBC1 KO mice had a reduction in the volume of the granule cell layer of the dentate gyrus. Interestingly, behavioral analysis of KO and control mice revealed that deletion of DBC1 parallels to specific cognitive impairments, concerning learning and possibly memory formation. Our results show, for the first time, that DBC1 plays an active role in the nervous system. In particular, specific anatomical and behavioral changes are observed when is absent." @default.
• W4296070906 created "2022-09-17" @default.
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• W4296070906 date "2022-12-01" @default.
• W4296070906 modified "2023-09-26" @default.
• W4296070906 title "Impaired hippocampal neurogenesis and cognitive performance in adult DBC1-knock out mice" @default.
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• W4296070906 doi "https://doi.org/10.1016/j.mcn.2022.103781" @default.
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