PGC-1α in the hippocampus mediates depressive-like and stress-coping behaviours and regulates excitatory synapses in the dentate gyrus in mice

Y Deng, X Liang, Y Li, L Jiang, J Wang, J Tang, J Li… - …, 2024 - Elsevier
Decreased hippocampal synaptic plasticity is an important pathological change in stress-
related mood disorders, including major depressive disorder. However, the underlying …

[HTML][HTML] Brain Lipids and Lipid Droplet Dysregulation in Alzheimer's Disease and Neuropsychiatric Disorders

X Zhao, S Zhang, AR Sanders, J Duan - Complex Psychiatry, 2023 - karger.com
Background: Lipids are essential components of the structure and for the function of brain
cells. The intricate balance of lipids, including phospholipids, glycolipids, cholesterol …

[HTML][HTML] Oral microbiome stamp in Alzheimer's disease

A Issilbayeva, A Kaiyrlykyzy, E Vinogradova… - Pathogens, 2024 - mdpi.com
Recent studies have suggested that periodontal disease and alterations in the oral
microbiome may be associated with cognitive decline and Alzheimer's disease (AD) …

[HTML][HTML] Towards a Unitary Hypothesis of Alzheimer's Disease Pathogenesis

E Area-Gomez, EA Schon - Journal of Alzheimer's Disease, 2024 - content.iospress.com
The “amyloid cascade” hypothesis of Alzheimer's disease (AD) pathogenesis invokes the
accumulation in the brain of plaques (containing the amyloid-β protein precursor [AβPP] …

[HTML][HTML] Dysregulated expression of cholesterol biosynthetic genes in Alzheimer's disease alters epigenomic signatures of hippocampal neurons

I Paiva, J Seguin, I Grgurina, AK Singh, B Cosquer… - Neurobiology of …, 2024 - Elsevier
Aging is the main risk factor of cognitive neurodegenerative diseases such as Alzheimer's
disease, with epigenome alterations as a contributing factor. Here, we compared …

Neuronal γ-secretase regulates synaptic functions via cholesterol homeostasis

WY Fu, AKY Fu, NY Ip - Neuron, 2023 - cell.com
In this issue of Neuron, Essayan-Perez and Südhof 1 demonstrate roles for γ-secretase in
the regulation of synaptic functions in human neurons. Chronic attenuation of γ-secretase …

[HTML][HTML] Protein-lipid interactions drive presynaptic assembly upstream of cell adhesion molecules

EB Frankel, A Tiroumalechetty, PS Henry, Z Su, Y Wu… - bioRxiv, 2023 - ncbi.nlm.nih.gov
Textbook models of synaptogenesis position cell adhesion molecules such as neurexin as
initiators of synapse assembly. Here we discover a mechanism for presynaptic assembly …

[HTML][HTML] Presenilin2 D439A Mutation Induces Dysfunction of Mitochondrial Fusion/Fission Dynamics and Abnormal Regulation of GTPase Activity

C Gao, J Shang, Z Sun, M Xia, D Gao, R Sun, W Li… - Molecular …, 2023 - Springer
Alzheimer's disease (AD) is an age-related progressive neurodegenerative disease, and
approximately 10% of AD cases are early-onset familial AD (EOFAD), which is mainly linked …

Disruption of sphingomyelin synthase 2 gene alleviates cognitive impairment in a mouse model of Alzheimer's disease

O Uchiumi, J Zou, S Yamaki, Y Hori, M Ono… - Brain Research, 2024 - Elsevier
The membrane raft accommodates the key enzymes synthesizing amyloid β (Aβ). One of the
two characteristic components of the membrane raft, cholesterol, is well known to promote …

Apolipoprotein E4 interferes with lipid metabolism to exacerbate depression‐like behaviors in 5xFAD mice

Y Gong, M Li, M Liu, X Wu, Y Li, C Qin… - Animal Models and …, 2024 - Wiley Online Library
Abstract Background Apolipoprotein E4 (ApoE4) allele is the strongest genetic risk factor for
late‐onset Alzheimer's disease, and it can aggravate depressive symptoms in non‐AD …