Results 1 to 10 of about 2,904,339 (217)

A silver lining for 24-hydroxycholesterol in Alzheimer's disease: The involvement of the neuroprotective enzyme sirtuin 1. [PDF]

open access: yesRedox Biol, 2018
It is now established that cholesterol oxidation products (oxysterols) are involved in several events underlying Alzheimer's disease (AD) pathogenesis. Of note, certain oxysterols cause neuron dysfunction and degeneration but, recently, some of them have
Testa G   +8 more
europepmc   +4 more sources

The Controversial Role of 24-S-Hydroxycholesterol in Alzheimer’s Disease

open access: yesAntioxidants, 2021
The development of Alzheimer’s disease (AD) is influenced by several events, among which the dysregulation of cholesterol metabolism in the brain plays a major role.
Paola Gamba   +2 more
exaly   +4 more sources

24-Hydroxycholesterol Induces Tau Proteasome-Dependent Degradation via the SIRT1/PGC1α/Nrf2 Pathway: A Potential Mechanism to Counteract Alzheimer's Disease. [PDF]

open access: yesAntioxidants (Basel), 2023
Considerable evidence indicates that cholesterol oxidation products, named oxysterols, play a key role in several events involved in Alzheimer’s disease (AD) pathogenesis. Although the majority of oxysterols causes neuron dysfunction and degeneration, 24-
Testa G   +7 more
europepmc   +2 more sources

Serum 24-hydroxycholesterol in probable Alzheimer's dementia: Reexploring the significance of a tentative Alzheimer's disease biomarker. [PDF]

open access: yesAging Med (Milton), 2019
Objective This study measured and analyzed the serum levels of 24‐hydroxycholesterol in patients with probable Alzheimer's disease (AD) and age‐/sex‐matched controls.
Roy D   +5 more
europepmc   +2 more sources

The cholesterol metabolite 27-hydroxycholesterol inhibits SARS-CoV-2 and is markedly decreased in COVID-19 patients

open access: yesRedox Biology, 2020
There is an urgent need to identify antivirals against the coronavirus SARS-CoV-2 in the current COVID-19 pandemic and to contain future similar emergencies early on.
Alessandro Marcello   +2 more
exaly   +3 more sources

A novel sex-specific role for 27-hydroxycholesterol in early-onset schizophrenia. [PDF]

open access: yesAnn Gen Psychiatry
Background Although Schizophrenia is a serious mental illness which more common in adults, it can also manifest in childhood with disease onset before age 18 as “early-onset schizophrenia” (EOS).
Sun Z   +8 more
europepmc   +2 more sources

Targeting Brain Cholesterol Homeostasis in Alzheimer's Disease: Mechanisms and Therapeutic Perspectives. [PDF]

open access: yesJ Neurochem
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 ...
Ruthirakuhan M, Taha AY, Swardfager W.
europepmc   +2 more sources

Adipose Tissue-Derived Mesenchymal Stem Cells Alter Metabolites of Brain Cholesterol Homeostasis in An Alzheimer’s Model [PDF]

open access: yesCell Journal, 2023
Objective: Disruption of cholesterol homeostasis in Alzheimer’s disease (AD) plays a crucial role in diseasepathogenesis, making it a potential therapeutic target.
Mehrnaz Karimi Darabi   +8 more
doaj   +1 more source

The Plasma Distribution of Non-cholesterol Sterol Precursors and Products of Cholesterol Synthesis and Phytosterols Depend on HDL Concentration

open access: yesFrontiers in Nutrition, 2022
Non-cholesterol sterols are transported in plasma lipoproteins and are consequently important in cholesterol metabolism. We investigated the distribution of non-cholesterol sterol precursors of cholesterol synthesis (NCSPCS), oxysterols, and phytosterols
Valéria Sutti Nunes   +8 more
doaj   +1 more source

Brain-Specific Oxysterols and Risk of Schizophrenia in Clinical High-Risk Subjects and Patients With Schizophrenia

open access: yesFrontiers in Psychiatry, 2021
Accumulating evidence from clinical, genetic, and epidemiologic studies suggest that schizophrenia might be a neuronal development disorder. While oxysterols are important factors in neurodevelopment, it is unknown whether oxysterols might be involved in
Zuoli Sun   +11 more
doaj   +1 more source

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