Cellular toxicity of oxycholesterols
T Wielkoszyński, K Gawron, J Strzelczyk, P Bodzek… - …, 2006 - Wiley Online Library
Oxycholesterols (OS) are formed from cholesterol or its immediate precursors by enzymatic
or free radical action in vivo, or they may be derived from food. OS exhibit a wide spectrum of …
or free radical action in vivo, or they may be derived from food. OS exhibit a wide spectrum of …
Oxysterols and redox signaling in the pathogenesis of non-alcoholic fatty liver disease
Oxysterols are oxidized species of cholesterol coming from exogenous (eg dietary) and
endogenous (in vivo) sources. They play critical roles in normal physiologic functions such …
endogenous (in vivo) sources. They play critical roles in normal physiologic functions such …
25-Hydroxycholesterol impairs endothelial function and vasodilation by uncoupling and inhibiting endothelial nitric oxide synthase
ZJ Ou, J Chen, WP Dai, X Liu… - American Journal …, 2016 - journals.physiology.org
Endothelial dysfunction is a key early step in atherosclerosis. 25-Hydroxycholesterol (25-
OHC) is found in atherosclerotic lesions. However, whether 25-OHC promotes …
OHC) is found in atherosclerotic lesions. However, whether 25-OHC promotes …
Role of 27-hydroxycholesterol and its metabolism in cancer progression: human studies
F Biasi, V Leoni, P Gamba, K Sassi, G Lizard… - Biochemical …, 2022 - Elsevier
Direct translation of findings achieved in experimental cell or animal models to humans is
quite a difficult task. We focused here only on the epidemiological and ex vivo human …
quite a difficult task. We focused here only on the epidemiological and ex vivo human …
25-Hydroxycholesterol-3-sulfate attenuates inflammatory response via PPARγ signaling in human THP-1 macrophages
The nuclear receptor peroxisome proliferator-activated receptors (PPARs) are important in
regulating lipid metabolism and inflammatory responses in macrophages. Activation of …
regulating lipid metabolism and inflammatory responses in macrophages. Activation of …
Oxysterols and mechanisms of apoptotic signaling: implications in the pathology of degenerative diseases
S Lordan, JJ Mackrill, NM O'Brien - The Journal of nutritional biochemistry, 2009 - Elsevier
Oxysterols, or cholesterol oxidation products, are oxygenated derivatives of cholesterol
which are formed endogenously during the biosynthesis of bile acids and steroid hormones …
which are formed endogenously during the biosynthesis of bile acids and steroid hormones …
RETRACTED: Redox regulation of 7-ketocholesterol-induced apoptosis by β-carotene in human macrophages
P Palozza, S Serini, S Verdecchia, M Ameruso… - 2007 - Elsevier
The aim of this study was to verify the hypothesis that β-carotene may prevent 7-
ketocholesterol (7-KC)-induced apoptosis in human macrophages. Therefore, THP-1 …
ketocholesterol (7-KC)-induced apoptosis in human macrophages. Therefore, THP-1 …
Oxysterol-induced up-regulation of MCP-1 expression and synthesis in macrophage cells
G Leonarduzzi, P Gamba, B Sottero, A Kadl… - Free Radical Biology …, 2005 - Elsevier
To investigate the proinflammatory potential of cholesterol and cholesterol oxidation
products (oxysterols), which are present in oxidized low-density lipoproteins, foam cells, and …
products (oxysterols), which are present in oxidized low-density lipoproteins, foam cells, and …
[HTML][HTML] Molecular pathways underlying cholesterol homeostasis
MS Afonso, RM Machado, MS Lavrador, ECR Quintao… - Nutrients, 2018 - mdpi.com
Cholesterol is an essential molecule that exerts pleiotropic actions. Although its presence is
vital to the cell, its excess can be harmful and, therefore, sustaining cholesterol homeostasis …
vital to the cell, its excess can be harmful and, therefore, sustaining cholesterol homeostasis …
The cholesterol derivative 27-hydroxycholesterol reduces steatohepatitis in mice
V Bieghs, T Hendrikx, PJ van Gorp, F Verheyen… - Gastroenterology, 2013 - Elsevier
BACKGROUND & AIMS: Non-alcoholic steatohepatitis is characterized by hepatic steatosis
with inflammation. Although steatosis is benign and reversible, inflammation can increase …
with inflammation. Although steatosis is benign and reversible, inflammation can increase …