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- W2997245005 abstract "Abstract Adult neurogenesis is a complex physiological process, which plays a central role in maintaining cognitive functions, and consists of progenitor cell proliferation, newborn cell migration, and cell maturation. Adult neurogenesis is susceptible to alterations under various physiological and pathological conditions. A substantial decay of neurogenesis has been documented in Alzheimer’s disease (AD) patients and animal AD models; however, several treatment strategies can halt any further decline and even induce neurogenesis. Our previous results indicated a potential effect of arginase inhibition, with norvaline, on various aspects of neurogenesis in triple-transgenic mice. To better evaluate this effect, we chronically administer an arginase inhibitor, norvaline, to triple-transgenic and wild-type mice, and apply an advanced immunohistochemistry approach with several biomarkers and bright-field microscopy. Remarkably, we evidence a significant reduction in the density of neuronal progenitors, which demonstrate a different phenotype in the hippocampi of triple-transgenic mice as compared to wild-type animals. However, norvaline shows no significant effect upon the progenitor cell number and constitution. We demonstrate that norvaline treatment leads to an escalation of the polysialylated neuronal cell adhesion molecule immunopositivity, which suggests an improvement in the newborn neuron survival rate. Additionally, we identify a significant increase in the hippocampal microtubule-associated protein 2 stain intensity. We also explore the molecular mechanisms underlying the effects of norvaline on adult mice neurogenesis and provide insights into their machinery." @default.
- W2997245005 created "2020-01-10" @default.
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- W2997245005 date "2019-12-28" @default.
- W2997245005 modified "2023-10-18" @default.
- W2997245005 title "Arginase Inhibition Supports Survival and Differentiation of Neuronal Precursors in Adult Alzheimer’s Disease Mice" @default.
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- W2997245005 doi "https://doi.org/10.1101/2019.12.26.888727" @default.
- W2997245005 hasPublicationYear "2019" @default.
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