Results 61 to 70 of about 3,939 (151)

Metabolism of oxysterols derived from nonenzymatic oxidation of 7-dehydrocholesterol in cells[S]

open access: yesJournal of Lipid Research, 2013
Recent studies suggest that 7-dehydrocholesterol (7-DHC)-derived oxysterols play important roles in the pathophysiology of Smith-Lemli-Opitz syndrome (SLOS), a metabolic disorder that is caused by defective 3β-hydroxysterol-Δ7-reductase (DHCR7). Although
Libin Xu   +4 more
doaj   +1 more source

Colorectal cancer‐derived FGF19 is a metabolically active serum biomarker that exerts enteroendocrine effects on mouse liver

open access: yesMolecular Oncology, Volume 20, Issue 6, Page 1494-1512, June 2026.
Meta‐transcriptome analysis identified FGF19 as a peptide enteroendocrine hormone associated with colorectal cancer prognosis. In vivo xenograft models showed release of FGF19 into the blood at levels that correlated with tumor volumes. Tumoral‐FGF19 altered murine liver metabolism through FGFR4, thereby reducing bile acid synthesis and increasing ...
Jordan M. Beardsley   +5 more
wiley   +1 more source

Unveiling a New Link: Cholesterol Deficiency in Smith–Lemli–Opitz and Niemann–Pick C as a Driver of Ciliopathies

open access: yesAmerican Journal of Medical Genetics Part A, Volume 200, Issue 6, Page 1179-1191, June 2026.
ABSTRACT The ciliopathies are a group of genetic disorders caused by defective function of either the primary cilia (a large number) or the motile cilia (a much smaller number). These have been defined as diseases with mutations in genes encoding individual ciliary or cilia‐associated proteins.
Robert P. Erickson   +1 more
wiley   +1 more source

Spinal 7-dehydrocholesterol reductase dependent cholesterol overload regulates astrocyte activation and mGluR5/ERK cascades via monocyte chemotactic protein 3 in tibial fracture-induced chronic pain in mice

open access: yesNeuroscience Research
Patients with bone fractures commonly experience an exasperating and long-lasting pain following orthopedic procedures. Spinal monocyte chemotactic protein 3 (MCP-3)-encoding astrogliosis and mGluR5-mediated excitatory synaptic plasticity are essential ...
Chao Qi   +10 more
doaj   +1 more source

CYP46A1‐Targeted Treatment Alleviates Long‐Term White Matter Injury Following Traumatic Brain Injury by Promoting Cholesterol Metabolic Clearance and Remyelination

open access: yesCNS Neuroscience &Therapeutics, Volume 32, Issue 6, June 2026.
Our findings demonstrate that CYP46A1 plays a critical role in regulating cholesterol homeostasis in microglia and that the targeting of CYP46A1 may offer a viable therapeutic approach for traumatic brain injury (TBI). The CYP46A1 activator Efavirenz reduces white matter damage by increasing the levels of the cholesterol metabolite 24OHC, thereby ...
Lin Li   +10 more
wiley   +1 more source

Biological activities of 7-dehydrocholesterol-derived oxysterols: implications for Smith-Lemli-Opitz syndrome[S]

open access: yesJournal of Lipid Research, 2010
Smith-Lemli-Opitz syndrome (SLOS) is a metabolic and developmental disorder caused by mutations in the gene encoding the enzyme 7-dehydrocholesterol reductase (Dhcr7).
Zeljka Korade   +3 more
doaj   +1 more source

Metal‐dependent regulated cell death: Molecular architecture and translational frontiers

open access: yesiMeta, Volume 5, Issue 3, June 2026.
Intracellular metal dyshomeostasis orchestrates distinct regulated cell death programs, including iron‐driven ferroptosis, copper‐mediated cuproptosis, calcicoptosis, newly designated zincoptosis, mnoptosis, and coptosis. This review systematically delineates their molecular architectures—spanning from Sorafenib‐induced lipid peroxidation and ...
Haoliang Hu   +20 more
wiley   +1 more source

Targeting Brain Cholesterol Homeostasis in Alzheimer's Disease: Mechanisms and Therapeutic Perspectives

open access: yesJournal of Neurochemistry, Volume 170, Issue 6, June 2026.
Brain cholesterol homeostasis is tightly regulated and largely independent of peripheral cholesterol. This review proposes a unifying framework in which aging, sex, and related biological stressors, including hypercholesterolemia, neurodegeneration, inflammation, and oxidative stress, converge to disrupt cholesterol homeostasis in the brain ...
Myuri Ruthirakuhan   +2 more
wiley   +1 more source

Sterol dysregulation in Smith–Lemli–Opitz syndrome causes astrocyte immune reactivity through microglia crosstalk

open access: yesDisease Models & Mechanisms, 2022
Bethany A. Freel   +4 more
doaj   +1 more source

Neuronal Cholesterol Deficiency Mediated by Astrocytic SREBP2 Downregulation Leads to Postoperative Cognitive Dysfunction Through Impairment of Hippocampal Synaptic Plasticity and Excitatory Synaptic Transmission

open access: yesAdvanced Science, Volume 13, Issue 23, 23 April 2026.
The results showed that the reduction of plasma 24‐hydroxycholesterol (24‐OHC) was related to the cognitive decline in elderly surgical patients. Neuroinflammation induced by anesthesia and surgery significantly downregulated SREBP2 in hippocampal reactive astrocytes, resulting in reduced cholesterol synthesis.
He Huang   +13 more
wiley   +1 more source

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