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Reinmuth L, Hsiao CC, Hamann J, Rosenkilde M, Mackrill J. Multiple Targets for Oxysterols in Their Regulation of the Immune System. Cells 2021; 10:cells10082078. [PMID: 34440846 PMCID: PMC8391951 DOI: 10.3390/cells10082078] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/05/2021] [Accepted: 08/11/2021] [Indexed: 02/07/2023] Open
Abstract
Oxysterols, or cholesterol oxidation products, are naturally occurring lipids which regulate the physiology of cells, including those of the immune system. In contrast to effects that are mediated through nuclear receptors or by epigenetic mechanism, which take tens of minutes to occur, changes in the activities of cell-surface receptors caused by oxysterols can be extremely rapid, often taking place within subsecond timescales. Such cell-surface receptor effects of oxysterols allow for the regulation of fast cellular processes, such as motility, secretion and endocytosis. These cellular processes play critical roles in both the innate and adaptive immune systems. This review will survey the two broad classes of cell-surface receptors for oxysterols (G-protein coupled receptors (GPCRs) and ion channels), the mechanisms by which cholesterol oxidation products act on them, and their presence and functions in the different cell types of the immune system. Overall, this review will highlight the potential of oxysterols, synthetic derivatives and their receptors for physiological and therapeutic modulation of the immune system.
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Affiliation(s)
- Lisa Reinmuth
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen, Denmark;
| | - Cheng-Chih Hsiao
- Department of Experimental Immunology, Amsterdam Institute for Infection and Immunity, Amsterdam University Medical Centers, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands; (C.-C.H.); (J.H.)
- Neuroimmunology Research Group, The Netherlands Institute for Neuroscience, 1105BA Amsterdam, The Netherlands
| | - Jörg Hamann
- Department of Experimental Immunology, Amsterdam Institute for Infection and Immunity, Amsterdam University Medical Centers, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands; (C.-C.H.); (J.H.)
- Neuroimmunology Research Group, The Netherlands Institute for Neuroscience, 1105BA Amsterdam, The Netherlands
| | - Mette Rosenkilde
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen, Denmark;
- Correspondence: (M.R.); (J.M.); Tel.: +353-(0)21-490-1400 (J.M.)
| | - John Mackrill
- Department of Physiology, School of Medicine, BioSciences Institute, University College Cork, College Road, Cork T12 YT20, Ireland
- Correspondence: (M.R.); (J.M.); Tel.: +353-(0)21-490-1400 (J.M.)
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Nury T, Yammine A, Ghzaiel I, Sassi K, Zarrouk A, Brahmi F, Samadi M, Rup-Jacques S, Vervandier-Fasseur D, Pais de Barros J, Bergas V, Ghosh S, Majeed M, Pande A, Atanasov A, Hammami S, Hammami M, Mackrill J, Nasser B, Andreoletti P, Cherkaoui-Malki M, Vejux A, Lizard G. Attenuation of 7-ketocholesterol- and 7β-hydroxycholesterol-induced oxiapoptophagy by nutrients, synthetic molecules and oils: Potential for the prevention of age-related diseases. Ageing Res Rev 2021; 68:101324. [PMID: 33774195 DOI: 10.1016/j.arr.2021.101324] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 12/18/2022]
Abstract
Age-related diseases for which there are no effective treatments include cardiovascular diseases; neurodegenerative diseases such as Alzheimer's disease; eye disorders such as cataract and age-related macular degeneration; and, more recently, Severe Acute Respiratory Syndrome (SARS-CoV-2). These diseases are associated with plasma and/or tissue increases in cholesterol derivatives mainly formed by auto-oxidation: 7-ketocholesterol, also known as 7-oxo-cholesterol, and 7β-hydroxycholesterol. The formation of these oxysterols can be considered as a consequence of mitochondrial and peroxisomal dysfunction, leading to increased in oxidative stress, which is accentuated with age. 7-ketocholesterol and 7β-hydroxycholesterol cause a specific form of cytotoxic activity defined as oxiapoptophagy, including oxidative stress and induction of death by apoptosis associated with autophagic criteria. Oxiaptophagy is associated with organelle dysfunction and in particular with mitochondrial and peroxisomal alterations involved in the induction of cell death and in the rupture of redox balance. As the criteria characterizing 7-ketocholesterol- and 7β-hydroxycholesterol-induced cytotoxicity are often simultaneously observed in major age-related diseases (cardiovascular diseases, age-related macular degeneration, Alzheimer's disease) the involvement of these oxysterols in the pathophysiology of the latter seems increasingly likely. It is therefore important to better understand the signalling pathways associated with the toxicity of 7-ketocholesterol and 7β-hydroxycholesterol in order to identify pharmacological targets, nutrients and synthetic molecules attenuating or inhibiting the cytotoxic activities of these oxysterols. Numerous natural cytoprotective compounds have been identified: vitamins, fatty acids, polyphenols, terpenes, vegetal pigments, antioxidants, mixtures of compounds (oils, plant extracts) and bacterial enzymes. However, few synthetic molecules are able to prevent 7-ketocholesterol- and/or 7β-hydroxycholesterol-induced cytotoxicity: dimethyl fumarate, monomethyl fumarate, the tyrosine kinase inhibitor AG126, memantine, simvastatine, Trolox, dimethylsufoxide, mangafodipir and mitochondrial permeability transition pore (MPTP) inhibitors. The effectiveness of these compounds, several of which are already in use in humans, makes it possible to consider using them for the treatment of certain age-related diseases associated with increased plasma and/or tissue levels of 7-ketocholesterol and/or 7β-hydroxycholesterol.
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Sodero AO. 24S-hydroxycholesterol: Cellular effects and variations in brain diseases. J Neurochem 2020; 157:899-918. [PMID: 33118626 DOI: 10.1111/jnc.15228] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/13/2020] [Accepted: 10/17/2020] [Indexed: 12/12/2022]
Abstract
The adult brain exhibits a characteristic cholesterol homeostasis, with low synthesis rate and active catabolism. Brain cholesterol turnover is possible thanks to the action of the enzyme cytochrome P450 46A1 (CYP46A1) or 24-cholesterol hydroxylase, that transforms cholesterol into 24S-hydroxycholesterol (24S-HC). But before crossing the blood-brain barrier (BBB), this oxysterol, that is the most abundant in the brain, can act locally, affecting the functioning of neurons, astrocytes, oligodendrocytes, and vascular cells. The first part of this review addresses different aspects of 24S-HC production and elimination from the brain. The second part concentrates in the effects of 24S-HC at the cellular level, describing how this oxysterol affects cell viability, amyloid β production, neurotransmission, and transcriptional activity. Finally, the role of 24S-HC in Alzheimer, Huntington and Parkinson diseases, multiple sclerosis and amyotrophic lateral sclerosis, as well as the possibility of using this oxysterol as predictive and/or evolution biomarker in different brain disorders is discussed.
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Affiliation(s)
- Alejandro O Sodero
- Institute of Biomedical Research (BIOMED), Pontifical Catholic University of Argentina (UCA) and National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
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Vejux A, Abed-Vieillard D, Hajji K, Zarrouk A, Mackrill JJ, Ghosh S, Nury T, Yammine A, Zaibi M, Mihoubi W, Bouchab H, Nasser B, Grosjean Y, Lizard G. 7-Ketocholesterol and 7β-hydroxycholesterol: In vitro and animal models used to characterize their activities and to identify molecules preventing their toxicity. Biochem Pharmacol 2020; 173:113648. [DOI: 10.1016/j.bcp.2019.113648] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 09/30/2019] [Indexed: 12/17/2022]
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Liu X, Tajima N, Taniguchi M, Kato N. The enantiomer pair of 24S- and 24R-hydroxycholesterol differentially alter activity of large-conductance Ca 2+ -dependent K + (slo1 BK) channel. Chirality 2019; 32:223-230. [PMID: 31756018 DOI: 10.1002/chir.23157] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/19/2019] [Accepted: 11/14/2019] [Indexed: 12/20/2022]
Abstract
24S-hydroxycholesterol (HC) is most abundant oxysterols in the brain, passes through blood brain barrier, and is therefore regarded as an intermediary for brain cholesterol elimination. We reported that large-conductance Ca2+ - and voltage-activated K+ (slo1 BK) channels are suppressed by this oxysterol, which is presumably intercalated into cell membrane to access the outer surface of the channel. Such an outer approach would make it difficult to interact with the inner, ion-conducting part of the channel. The present findings showed that 24R-HC, the racemic counterpart of 24S-HC, also suppressed slo1 BK channel but in a different voltage-dependent manner. There was a difference between the effects of the two enantiomers on activation kinetics but not on deactivation kinetics. It is suggested that the chirality contributes to the efficacy of channel blockers that act from outer lipophilic parts of channels, as with those which act on the inner, ion-permeable surface.
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Affiliation(s)
- Xiaoyan Liu
- Department of Physiology, Kanazawa Medical University, Uchinada, Japan.,Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Nobuyoshi Tajima
- Department of Physiology, Kanazawa Medical University, Uchinada, Japan
| | - Makoto Taniguchi
- Medical Research Institute, Kanazawa Medical University, Uchinada, Japan
| | - Nobuo Kato
- Department of Physiology, Kanazawa Medical University, Uchinada, Japan
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Brahmi F, Vejux A, Sghaier R, Zarrouk A, Nury T, Meddeb W, Rezig L, Namsi A, Sassi K, Yammine A, Badreddine I, Vervandier-Fasseur D, Madani K, Boulekbache-Makhlouf L, Nasser B, Lizard G. Prevention of 7-ketocholesterol-induced side effects by natural compounds. Crit Rev Food Sci Nutr 2018; 59:3179-3198. [DOI: 10.1080/10408398.2018.1491828] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Fatiha Brahmi
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- Lab. Biomathématique, Biochimie, Biophysique et Scientométrie, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Anne Vejux
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
| | - Randa Sghaier
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- Lab-NAFS ‘Nutrition - Functional Food & Vascular Health’, LR12ES05, Université de Monastir, Monastir, Tunisia
- Faculty of Medicine, Lab. Biochemistry, Sousse, Tunisia
| | - Amira Zarrouk
- Lab-NAFS ‘Nutrition - Functional Food & Vascular Health’, LR12ES05, Université de Monastir, Monastir, Tunisia
- Faculty of Medicine, Lab. Biochemistry, Sousse, Tunisia
| | - Thomas Nury
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
| | - Wiem Meddeb
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- LMMA/IPEST, Faculty of Science, University of Carthage, Bizerte, Tunisia
| | - Leila Rezig
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- ESIAT, Lab. Conservation et Valorisation des Aliments, Tunis, Tunisia
| | - Amira Namsi
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- University Tunis El Manar, Faculty of Science of Tunis, Laboratory of Functional Neurophysiology and Pathology, Tunis, Tunisia
| | - Khouloud Sassi
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- Lab. Onco-Hematology, Faculty de Medicine of Tunis, Université de Tunis El Manar, Tunis, Tunisia
| | - Aline Yammine
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- Bioactive Molecules Research Lab, Faculty of Sciences, Lebanese University, Beirut, Lebanon
| | - Iham Badreddine
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
- Lab. ‘Valorisation des Ressources Naturelles et Environnement’, Université Ibn Zohr, Taroudant, Morocco
| | | | - Khodir Madani
- Lab. Biomathématique, Biochimie, Biophysique et Scientométrie, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Lila Boulekbache-Makhlouf
- Lab. Biomathématique, Biochimie, Biophysique et Scientométrie, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Boubker Nasser
- Lab. Neuroscience and Biochemistry, Université Hassan 1er, Settat, Morocco
| | - Gérard Lizard
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’, Lab. Bio-PeroxIL, Université de Bourgogne Franche-Comté, Dijon, France
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Grayaa S, Zerbinati C, Messedi M, HadjKacem I, Chtourou M, Ben Touhemi D, Naifar M, Ayadi H, Ayedi F, Iuliano L. Plasma oxysterol profiling in children reveals 24-hydroxycholesterol as a potential marker for Autism Spectrum Disorders. Biochimie 2018; 153:80-85. [DOI: 10.1016/j.biochi.2018.04.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 04/29/2018] [Indexed: 12/19/2022]
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8
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The effect of oxysterols on nerve impulses. Biochimie 2018; 153:46-51. [DOI: 10.1016/j.biochi.2018.04.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 04/16/2018] [Indexed: 12/22/2022]
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