Microbiota–gut–brain axis and its therapeutic applications in neurodegenerative diseases

JS Loh, WQ Mak, LKS Tan, CX Ng, HH Chan… - … and Targeted Therapy, 2024 - nature.com
The human gastrointestinal tract is populated with a diverse microbial community. The vast
genetic and metabolic potential of the gut microbiome underpins its ubiquity in nearly every …

Updates on mouse models of Alzheimer's disease

MZ Zhong, T Peng, ML Duarte, M Wang… - Molecular …, 2024 - Springer
Alzheimer's disease (AD) is the most common neurodegenerative disease in the United
States (US). Animal models, specifically mouse models have been developed to better …

Forty-hertz light stimulation does not entrain native gamma oscillations in Alzheimer's disease model mice

M Soula, A Martín-Ávila, Y Zhang, A Dhingra… - Nature …, 2023 - nature.com
There is a demand for noninvasive methods to ameliorate disease. We investigated whether
40-Hz flickering light entrains gamma oscillations and suppresses amyloid-β in the brains of …

Loss of fatty acid degradation by astrocytic mitochondria triggers neuroinflammation and neurodegeneration

Y Mi, G Qi, F Vitali, Y Shang, AC Raikes, T Wang… - Nature …, 2023 - nature.com
Astrocytes provide key neuronal support, and their phenotypic transformation is implicated in
neurodegenerative diseases. Metabolically, astrocytes possess low mitochondrial oxidative …

A tetravalent TREM2 agonistic antibody reduced amyloid pathology in a mouse model of Alzheimer's disease

P Zhao, Y Xu, LL Jiang, X Fan, L Li, X Li… - Science translational …, 2022 - science.org
Triggering receptor expressed on myeloid cells 2 (TREM2) plays crucial roles in Alzheimer's
disease (AD) by regulating microglia migration toward, and phagocytosis of oligomeric …

Systematic phenotyping and characterization of the 3xTg-AD mouse model of Alzheimer's disease

DI Javonillo, KM Tran, J Phan, E Hingco… - Frontiers in …, 2022 - frontiersin.org
Animal models of disease are valuable resources for investigating pathogenic mechanisms
and potential therapeutic interventions. However, for complex disorders such as Alzheimer's …

Probing neural circuit mechanisms in Alzheimer's disease using novel technologies

SF Grieco, TC Holmes, X Xu - Molecular Psychiatry, 2023 - nature.com
The study of Alzheimer's Disease (AD) has traditionally focused on neuropathological
mechanisms that has guided therapies that attenuate neuropathological features. A new …

Loss of insulin signaling in astrocytes exacerbates Alzheimer-like phenotypes in a 5xFAD mouse model

W Chen, Q Huang, EK Lazdon… - Proceedings of the …, 2023 - National Acad Sciences
Brain insulin signaling controls peripheral energy metabolism and plays a key role in the
regulation of mood and cognition. Epidemiological studies have indicated a strong …

Region-specific homeostatic identity of astrocytes is essential for defining their response to pathological insults

N Makarava, O Mychko, K Molesworth, JCY Chang… - Cells, 2023 - mdpi.com
The transformation of astrocytes into reactive states constitutes a biological response of the
central nervous system under a variety of pathological insults. Astrocytes display diverse …

Longitudinal analysis of the microbiome and metabolome in the 5xfAD mouse model of Alzheimer's disease

SJB Dunham, KA McNair, ED Adams… - MBio, 2022 - Am Soc Microbiol
Recent reports implicate gut microbiome dysbiosis in the onset and progression of
Alzheimer's disease (AD), yet studies involving model animals overwhelmingly omit the …