Fight Aging! Newsletter, August 3rd 2020
In this study, we examined the effects of oxytocin on the Aβ-induced impairment of synaptic plasticity in mice.
To investigate the effect of oxytocin on synaptic plasticity, we prepared acute hippocampal slices for extracellular recording and assessed long-term potentiation (LTP) with perfusion of the Aβ active fragment (Aβ25-35) in the absence and presence of oxytocin. We found that oxytocin reversed the impairment of LTP induced by Aβ25-35 perfusion in the mouse hippocampus. These effects were blocked by pretreatment with the selective oxytocin receptor antagonist L-368,899. Furthermore, the treatment with the ERK inhibitor U0126 and selective Ca2+-permeable AMPA receptor antagonist NASPM completely antagonized the effects of oxytocin.
Long Term Low Dose Ethanol Intake Modestly Extends Life in Mice
https://www.fightaging.org/archives/2020/07/long-term-low-dose-ethanol-intake-modestly-extends-life-in-mice/
As of the past few years, the long-standing debate over whether moderate alcohol intake has a protective effect on health had appeared to resolve to the conclusion that the observed epidemiology is explained by socioeconomic factors, not by the metabolic effects of molecules such as polyphenols present in wine or other alcoholic drinks. People who engage in more modest alcohol consumption tend to be in the wealthier sections of society, and thus are more health conscious, undertake lifestyle choices, and make better use of available medical t...
Source: Fight Aging! - Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
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