Results 91 to 100 of about 2,266,215 (232)

Assessment of cholesterol homeostasis in astrocytes and neurons

, 2011
Cholesterol homeostasis is highly regulated in the nervous system; dysregulation in cholesterol trafficking and content have been involved in the pathogenesis of neurodegenerative diseases (such as Parkinson's and Alzheimer's diseases).
GUIZZETTI M., CHEN J., COSTA, Lucio Guido   +2 more
core   +1 more source

Huntingtin Aggregate‐Responsive Autophagy Gene Circuit Mitigates Disease Pathology in R6/2 Mice

Advanced Science, EarlyView.
CD98‐mediated receptor‐mediated transcytosis enables LIP‐CD98 nanocarriers to cross the blood–brain barrier and deliver ARAA to neurons. mHTT aggregates activate the 11G–NarX sensor, initiating Auto‐P and Trans‐P signaling through the VP48–NarL relay.
Jie Zhu, Xi‐xiu Xie, Lei Li, Chen Tian, Hao‐tian Wang, Xiao‐jie Wang, Xiao‐lin Yu, Gui‐feng Zhang, Rui‐tian Liu   +8 more
wiley   +1 more source

Mechanisms of dysregulation of low-density lipoprotein receptor expression in vascular smooth muscle cells by inflammatory cytokines [PDF]

, 2006
Objective - Although inflammation is a recognized feature of atherosclerosis, the impact of inflammation on cellular cholesterol homeostasis is unclear.
Moorhead, JF, Wheeler, DC, Ruan, XZ, Varghese, Z, Ma, KL, Tao, JL, Powis, SH   +6 more
core  

NCOA4 Accelerates Abdominal Aortic Aneurysm Formation by Regulating Macrophage Activation and Ferroptosis via STAT1–CH25H Axis

Advanced Science, EarlyView.
Under pathological stimulation, NCOA4 in macrophages interacts with STAT1 to promote CH25H transcription. The subsequent increase in 25‐HC production activates macrophages, triggers inflammatory responses and ferroptosis, and accelerates the progression of AAA.
Zhinan Wu, Yuxuan Qian, Wenyi Xu, Fei Liao, Xueliang Liu, Xiao Kuang, Guqing Luo, Xinjie He, Lixian Jiang, Song Ding   +9 more
wiley   +1 more source

A Novel NR3C1 Frameshift Variant Associated With Familial Glucocorticoid Resistance Syndrome: An Integrated Analysis of Steroid Profiling and Structural Modeling

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Glucocorticoid resistance syndrome (GRS) is a rare hereditary disorder caused by pathogenic variants in NR3C1, characterized by marked phenotypic heterogeneity and frequent misdiagnosis as primary aldosteronism or subclinical Cushing's syndrome.
Sufang Yun, Zhifeng Zhu, Fengye Zhou, Ying Liu, Chunfang Liang, Haitao Ju, Lin Lu, Zhaoli Yan   +7 more
wiley   +1 more source

Unilateral mastication‐induced memory deficits linked to disrupted hippocampal cholesterol metabolism in rats

View
Masticatory dysfunction induces astrocyte hyperplasia and disrupts brain cholesterol homeostasis, but the specific mechanism by which unilateral mastication drives cognitive decline remains unclear. A rat model of experimental unilateral mastication (EUM)
Xiaoting Zhai, Yifan Hu, Rongchen Xu, Xinyu Xu, Bowen Ma, Dongzong Huang, Hongchen Liu, Hongbo Li, Yuan Hu, Hua Jiang   +9 more
doaj   +1 more source

The liver‐brain axis: A multidimensional regulatory network implicated in Alzheimer's disease pathogenesis and clinical implications

Animal Models and Experimental Medicine, EarlyView.
Schematic diagram of the core pathways of the liver‐brain axis in regulating AD. The liver regulates cerebral Aβ deposition, tau phosphorylation, and neuroinflammation through pathways such as metabolic detoxification (urea cycle, ketone body metabolism, glutathione antioxidant system), molecular secretion (APOE, CRP, FGF21, IGF‐1), and Aβ clearance ...
Ning Zhang, Wei Chen, Meng Wang
wiley   +1 more source

Characterization of the roles of neuronal cholesterol biosynthesis and ORP4 in hippocampal neurons and glia

, 2016
Cholesterol is an essential component of cell membranes and plays important roles in cell signalling. The brain contains a quarter of the body’s total cholesterol pool, all of which is synthesized in situ by neurons and glia, which are the structurally ...
Martin, Laura
core  

Cholesterol homeostasis in the brain : importance of 24S-hydroxylation

, 1999
Brain cholesterol is characterized by a very low turnover with very little exchange with lipoproteins in the circulation. We have investigated whether side chain-hydroxylated cholesterol species are important for elimination of cholesterol from the brain.
Dieter Lütjohann (186632)
core   +1 more source

Disruption of cerebral cholesterol homeostasis by PS-NPs: astrocytic endoplasmic reticulum stress

Journal of Nanobiotechnology
Cholesterol plays a crucial role in regulating synaptic membrane fluidity and ion channels. Due to the blood-brain barrier, cholesterol in the brain is primarily self-synthesized by astrocytes.
Lei Tian, Yizhe Wei, Jianping Ma, Yiming Zhao, Yanan Mi, Leili Zhang, Bingyan Wang, Jiang Chen, Kang Li, Yue Shi, Wenqing Lai, Huanliang Liu, Bencheng Lin   +12 more
doaj   +1 more source