Synaptic degeneration in Alzheimer disease

M Tzioras, RI McGeachan, CS Durrant… - Nature Reviews …, 2023 - nature.com
Alzheimer disease (AD) is characterized by progressive cognitive decline in older
individuals accompanied by the presence of two pathological protein aggregates—amyloid …

Ageing and rejuvenation of tissue stem cells and their niches

A Brunet, MA Goodell, TA Rando - Nature Reviews Molecular Cell …, 2023 - nature.com
Most adult organs contain regenerative stem cells, often organized in specific niches. Stem
cell function is critical for tissue homeostasis and repair upon injury, and it is dependent on …

The gut microbiome in Alzheimer's disease: what we know and what remains to be explored

S Chandra, SS Sisodia, RJ Vassar - Molecular neurodegeneration, 2023 - Springer
Abstract Alzheimer's disease (AD), the most common cause of dementia, results in a
sustained decline in cognition. There are currently few effective disease modifying therapies …

Challenges and hopes for Alzheimer's disease

SA Tatulian - Drug discovery today, 2022 - Elsevier
Recent drug development efforts targeting Alzheimer's disease (AD) have failed to produce
effective disease-modifying agents for many reasons, including the substantial …

Neurotrophic factor BDNF, physiological functions and therapeutic potential in depression, neurodegeneration and brain cancer

L Colucci-D'Amato, L Speranza, F Volpicelli - International journal of …, 2020 - mdpi.com
Brain-derived neurotrophic factor (BDNF) is one of the most distributed and extensively
studied neurotrophins in the mammalian brain. BDNF signals through the tropomycin …

Impaired insulin signalling and allostatic load in Alzheimer disease

FG De Felice, RA Gonçalves, ST Ferreira - Nature Reviews …, 2022 - nature.com
The discovery of insulin in 1921 revolutionized the treatment of diabetes and paved the way
for numerous studies on hormone signalling networks and actions in peripheral tissues and …

Exercise hormone irisin is a critical regulator of cognitive function

MR Islam, S Valaris, MF Young, EB Haley, R Luo… - Nature …, 2021 - nature.com
Identifying secreted mediators that drive the cognitive benefits of exercise holds great
promise for the treatment of cognitive decline in ageing or Alzheimer's disease (AD). Here …

NAD+ homeostasis in health and disease

E Katsyuba, M Romani, D Hofer, J Auwerx - Nature metabolism, 2020 - nature.com
The conceptual evolution of nicotinamide adenine dinucleotide (NAD+) from being seen as
a simple metabolic cofactor to a pivotal cosubstrate for proteins regulating metabolism and …

Blood factors transfer beneficial effects of exercise on neurogenesis and cognition to the aged brain

AM Horowitz, X Fan, G Bieri, LK Smith… - Science, 2020 - science.org
Reversing brain aging may be possible through systemic interventions such as exercise. We
found that administration of circulating blood factors in plasma from exercised aged mice …

[HTML][HTML] Adult hippocampal neurogenesis in Alzheimer's disease: A roadmap to clinical relevance

E Salta, O Lazarov, CP Fitzsimons, R Tanzi… - Cell Stem Cell, 2023 - cell.com
Adult hippocampal neurogenesis (AHN) drops sharply during early stages of Alzheimer's
disease (AD), via unknown mechanisms, and correlates with cognitive status in AD patients …