1
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Zhang D, Wang Z, Guo S, Sun Y, Zhou D, Li W, Yan J, Chen Y, Luo S, Huang G, Qian Z, Li Z. 18F-Fluorodeoxyglucose positron emission tomography/computed tomography imaging reveals the protective effect of docosahexaenoic acid on glucose metabolism by reducing brain 27-hydroxycholesterol. Exp Gerontol 2024; 196:112577. [PMID: 39241991 DOI: 10.1016/j.exger.2024.112577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2024] [Revised: 08/04/2024] [Accepted: 09/03/2024] [Indexed: 09/09/2024]
Abstract
Total cholesterol (TC) and the cholesterol oxidation product 27-hydroxycholesterol (27-OHC) are both increased in the elderly. Accumulating evidence has linked 27-OHC to glucose metabolism in the brain, while docosahexaenoic acid (DHA) has been shown to positively regulate the 27-OHC levels. However, it is unclear whether DHA may affect glucose metabolism in the brain by regulating 27-OHC levels. In this study, we hypothesized that DHA supplementation would modulate TC levels and reduce 27-OHC levels, thereby improving brain glucose metabolism in SAMP8 mice. The mice were assigned into the Control group and DHA dietary supplementation group. The study evaluated cholesterol levels, 27-OHC levels, and glucose metabolism in the brain. The results showed that DHA supplementation decreased serum levels of TC, low-density lipoprotein cholesterol (LDL-C), and increased levels of high-density lipoprotein cholesterol (HDL-C); and improved the glucose-corrected standardized uptake value of cortex, hippocampus, and whole brain regions in SAMP8 mice. In conclusion, supplementation of DHA could regulate the cholesterol composition and reduce the level of 27-OHC, thereby improving brain glucose metabolism in SAMP8 mice.
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Affiliation(s)
- Dalong Zhang
- Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.
| | - Zehao Wang
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin 300070, China.
| | - Shuangshuang Guo
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin 300070, China.
| | - Yue Sun
- Department of Public Health, School of Medicine, Ningbo University, Zhejiang 315211, China.
| | - Dezheng Zhou
- Department of Public Health, School of Medicine, Ningbo University, Zhejiang 315211, China.
| | - Wen Li
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin 300070, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin 300070, China; Key Laboratory of Prevention and Control of Major Diseases in the Population, Ministry of Education, School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Jing Yan
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin 300070, China; Key Laboratory of Prevention and Control of Major Diseases in the Population, Ministry of Education, School of Public Health, Tianjin Medical University, Tianjin, China; Department of Social Medicine and Health Administration, School of Public Health, Tianjin Medical University, Tianjin 300070, China.
| | - Yongjie Chen
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin 300070, China; Key Laboratory of Prevention and Control of Major Diseases in the Population, Ministry of Education, School of Public Health, Tianjin Medical University, Tianjin, China; Department of Epidemiology & Biostatistics, School of Public Health, Tianjin Medical University, Tianjin 300070, China.
| | - Suhui Luo
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin 300070, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin 300070, China; Key Laboratory of Prevention and Control of Major Diseases in the Population, Ministry of Education, School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Guowei Huang
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin 300070, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin 300070, China; Key Laboratory of Prevention and Control of Major Diseases in the Population, Ministry of Education, School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Zhiyong Qian
- Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.
| | - Zhenshu Li
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin 300070, China; Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin 300070, China; Key Laboratory of Prevention and Control of Major Diseases in the Population, Ministry of Education, School of Public Health, Tianjin Medical University, Tianjin, China.
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2
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Jing R, Mu L, Wang C, Liu L, Wang Y, Wang Y, Li X, Yin H, Hu Y. KaiXinSan improves learning and memory impairment by regulating cholesterol homeostasis in mice overloaded with 27-OHC. J Steroid Biochem Mol Biol 2024; 245:106622. [PMID: 39326716 DOI: 10.1016/j.jsbmb.2024.106622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 09/15/2024] [Accepted: 09/17/2024] [Indexed: 09/28/2024]
Abstract
Cholesterol and its oxidative products-oxysterols homeostasis- play a crucial role in maintaining cognitive function. Chinese medicine KaiXinSan (KXS) has demonstrated effectiveness in treating mental illness and regulating cognitive dysfunction of Alzheimer's disease (AD). The purpose of this article is to explore whether the KXS can enhance cognitive function by regulating cholesterol homeostasis. Employing the 27-hydroxy cholesterol (27-OHC) induced mice model of cognitive dysfunction and coculture model of assessment neurocyte damage, we investigated learning and memory abilities while concurrently addressing the reduction of neuronal cell damage through the regulation of cholesterol metabolism. 21 days of KXS treatment improved the learning and memory ability in mice 27-OHC-overloading by alleviating the exacerbated deposition of amyloid-β (Aβ), reducing inflammatory reactions, and mitigating synaptic plasticity damage. Additionally, it repaired myelin sheath function. More importantly, KXS significantly affects the metabolism of central cholesterol by substantially inhibiting the expression of liver X receptor (LXR), ATP-binding cassette transporter (ABCA1, ABCG1), apolipoprotein E (ApoE) and upregulated cytochrome P450 46A1(CYP46A1). Furthermore, KXS may alleviate 27-OHC-induced neuronal inflammation and apoptosis by promoting the conversion of cholesterol to 24-hydroxycholesterol (24-OHC) via CYP46A1 and suppressing cholesterol release from astrocyte cells. Altogether, our results demonstrate that KXS can prevent learning and memory impairments induced by 27-OHC loading. This effect may be related to its multitarget capability in promoting the conversion of excessive cholesterol to 24-OHC and maintaining a balance in cholesterol homeostasis and metabolism between neurons and astrocyte cells.
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Affiliation(s)
- Rui Jing
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Lihua Mu
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Chaochen Wang
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China; Graduate School of PLA General Hospital, Beijing 100853, China
| | - Lijun Liu
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Yanbo Wang
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China; Graduate School of PLA General Hospital, Beijing 100853, China
| | - Yuanbo Wang
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Xia Li
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Hong Yin
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China.
| | - Yuan Hu
- Department of Pharmacy, Medical Supplies Center, Chinese PLA General Hospital, Beijing 100853, China.
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3
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Santos DF, Simão S, Nóbrega C, Bragança J, Castelo-Branco P, Araújo IM. Oxidative stress and aging: synergies for age related diseases. FEBS Lett 2024; 598:2074-2091. [PMID: 39112436 DOI: 10.1002/1873-3468.14995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 06/03/2024] [Accepted: 06/24/2024] [Indexed: 10/04/2024]
Abstract
Aging is characterized by a progressive decline in physiological function and underlies several disabilities, including the increased sensitivity of cells and tissues to undergo pathological oxidative stress. In recent years, efforts have been made to better understand the relationship between age and oxidative stress and further develop therapeutic strategies to minimize the impact of both events on age-related diseases. In this work, we review the impact of the oxidant and antioxidant systems during aging and disease development and discuss the crosstalk of oxidative stress and other aging processes, with a focus on studies conducted in elderly populations.
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Affiliation(s)
- Daniela F Santos
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, Portugal
| | - Sónia Simão
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
| | - Clévio Nóbrega
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- ABC Collaborative Laboratory, Association for Integrated Aging and Rejuvenation Solutions (ABC CoLAB), Loulé, Portugal
| | - José Bragança
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- ABC Collaborative Laboratory, Association for Integrated Aging and Rejuvenation Solutions (ABC CoLAB), Loulé, Portugal
- Champalimaud Research Program, Champalimaud Centre for the Unknown, Lisbon, Portugal
| | - Pedro Castelo-Branco
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- ABC Collaborative Laboratory, Association for Integrated Aging and Rejuvenation Solutions (ABC CoLAB), Loulé, Portugal
- Champalimaud Research Program, Champalimaud Centre for the Unknown, Lisbon, Portugal
| | - Inês M Araújo
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- ABC Collaborative Laboratory, Association for Integrated Aging and Rejuvenation Solutions (ABC CoLAB), Loulé, Portugal
- Champalimaud Research Program, Champalimaud Centre for the Unknown, Lisbon, Portugal
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Song L, Xue J, Xu L, Cheng L, Zhang Y, Wang X. Muscle-specific PGC-1α modulates mitochondrial oxidative stress in aged sarcopenia through regulating Nrf2. Exp Gerontol 2024; 193:112468. [PMID: 38801840 DOI: 10.1016/j.exger.2024.112468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/19/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
BACKGROUND Aged sarcopenia is characterized by loss of skeletal muscle mass and strength, and mitochondrial dysregulation in skeletal myocyte is considered as a major factor. Here, we aimed to analyze the effects of peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) on mitochondrial reactive oxygen species (ROS) and nuclear factor erythroid 2-related factor 2 (Nrf2) in aged skeletal muscles. METHODS C2C12 cells were stimulated by 50 μM 7β-hydroxycholesterol (7β-OHC) to observe the changes of cellular ROS, mitochondrial ROS, and expression of PGC-1α and Nrf2. Different PGC-1α expression in cells was established by transfection with small interfering RNA (siRNA) or plasmids overexpressing PGC-1α (pEX-3-PGC-1α). The effects of different PGC-1α expression on cellular ROS, mitochondrial ROS and Nrf2 expression were measured in cells. Wild type (WT) mice and PGC-1α conditional knockout (CKO) mice were used to analyze the effects of PGC-1α on aged sarcopenia and expression of Nrf2 and CD38 in gastrocnemius muscles. Diethylmaleate, a Nrf2 activator, was used to analyze the connection between PGC-1α and Nrf2 in cells and in mice. RESULTS In C2C12 cells, the expressions of PGC-1α and Nrf2 were declined by the 7β-OHC treatment or PGC-1α silence. Moreover, PGC-1α silence increased the harmful ROS and decreased the Nrf2 protein expression in the 7β-OHC-treated cells. PGC-1α overexpression decreased the harmful ROS and increased the Nrf2 protein expression in the 7β-OHC-treated cells. Diethylmaleate treatment decreased the harmful ROS in the 7β-OHC-treated or PGC-1α siRNA-transfected cells. At the same age, muscle-specific PGC-1α deficiency aggravated aged sarcopenia, decreased Nrf2 expression and increased CD38 expression in gastrocnemius muscles compared with the WT mice. Diethylmaleate treatment improved the muscle function and decreased the CD38 expression in the old two genotypes. CONCLUSIONS Our study demonstrated that PGC-1α modulated mitochondrial oxidative stress in aged sarcopenia through regulating Nrf2.
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Affiliation(s)
- Lei Song
- Geriatric Medicine Department, Yantai Yuhuangding Hospital, Yantai 264000, China
| | - Jianfeng Xue
- Geriatric Cardiovascular Department, The Affiliated Taian City Central Hospital of Qingdao University, Taian 271000, China
| | - Lingfen Xu
- General Medicine Department, Qinghai Provincial Hospital, Xining 810000, China
| | - Lin Cheng
- Geriatric Medicine Department, Yantai Yuhuangding Hospital, Yantai 264000, China
| | - Yongxia Zhang
- Department of Radiology, Yantai Yuhuangding Hospital, Yantai 264000, China.
| | - Xiaojun Wang
- Geriatric Medicine Department, Yantai Yuhuangding Hospital, Yantai 264000, China.
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Su Y, Sun D, Cao C, Wang Y. Lanosterol regulates abnormal amyloid accumulation in LECs through the mediation of cholesterol pathway metabolism. Biochem Biophys Rep 2024; 38:101679. [PMID: 38501050 PMCID: PMC10945048 DOI: 10.1016/j.bbrep.2024.101679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 03/20/2024] Open
Abstract
Age-related cataract (ARC) is the predominant cause of global blindness, linked to the progressive aging of the lens, oxidative stress, perturbed calcium homeostasis, hydration irregularities, and modifications in crystallin proteins. Currently, surgical intervention remains the sole efficacious remedy, albeit carrying inherent risks of complications that may culminate in irreversible blindness. It is urgent to explore alternative, cost-effective, and uncomplicated treatment modalities for cataracts. Lanosterol has been widely reported to reverse cataracts, but the mechanism of action is not yet clear. In this study, we elucidated the mechanism through which lanosterol operates in the context of cataract reversal. Through the targeted suppression of sterol regulatory element-binding protein 2 (SREBP2) followed by lanosterol treatment, we observed the restoration of lipid metabolism disorders induced by SREBP2 knockdown in lens epithelial cells (LECs). Notably, lanosterol exhibited the ability to effectively counteract amyloid accumulation and cellular apoptosis triggered by lipid metabolism disorders. In summary, our findings suggest that lanosterol, a pivotal intermediate in lipid metabolism, may exert its therapeutic effects on cataracts by influencing lipid metabolism. This study shed light on the treatment and pharmaceutical development targeting Age-related Cataracts (ARC).
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Affiliation(s)
- Yingxue Su
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Engineering Research Center for Ophthalmic Drug Creation and Evaluation, Guangzhou, 510060, China
| | - Danyuan Sun
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Chen Cao
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Engineering Research Center for Ophthalmic Drug Creation and Evaluation, Guangzhou, 510060, China
| | - Yandong Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Engineering Research Center for Ophthalmic Drug Creation and Evaluation, Guangzhou, 510060, China
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China
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6
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Kopp W. Aging and "Age-Related" Diseases - What Is the Relation? Aging Dis 2024:AD.2024.0570. [PMID: 39012663 DOI: 10.14336/ad.2024.0570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 06/28/2024] [Indexed: 07/17/2024] Open
Abstract
The study explores the intricate relationship between aging and the development of noncommunicable diseases [NCDs], focusing on whether these diseases are inevitable consequences of aging or primarily driven by lifestyle factors. By examining epidemiological data, particularly from hunter-gatherer societies, the study highlights that many NCDs prevalent in modern populations are rare in these societies, suggesting a significant influence of lifestyle choices. It delves into the mechanisms through which poor diet, smoking, and other lifestyle factors contribute to systemic physiological imbalances, characterized by oxidative stress, insulin resistance and hyperinsulinemia, and dysregulation of the sympathetic nervous system, the renin-angiotensin-aldosterone system, and the immune system. The interplay between this pattern and individual factors such as genetic susceptibility, biological variability, epigenetic changes and the microbiome is proposed to play a crucial role in the development of a range of age-related NCDs. Modified biomolecules such as oxysterols and advanced glycation end products also contribute to their development. Specific diseases such as benign prostatic hyperplasia, Parkinson's disease, glaucoma and osteoarthritis are analyzed to illustrate these mechanisms. The study concludes that while aging contributes to the risk of NCDs, lifestyle factors play a crucial role, offering potential avenues for prevention and intervention through healthier living practices. One possible approach could be to try to restore the physiological balance, e.g. through dietary measures [e.g. Mediterranean diet, Okinawan diet or Paleolithic diet] in conjunction with [a combination of] pharmacological interventions and other lifestyle changes.
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7
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Maaloul S, Ghzaiel I, Mahmoudi M, Mighri H, Pires V, Vejux A, Martine L, de Barros JPP, Prost-Camus E, Boughalleb F, Lizard G, Abdellaoui R. Characterization of Silybum marianum and Silybum eburneum seed oils: Phytochemical profiles and antioxidant properties supporting important nutritional interests. PLoS One 2024; 19:e0304021. [PMID: 38875282 PMCID: PMC11178192 DOI: 10.1371/journal.pone.0304021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 05/03/2024] [Indexed: 06/16/2024] Open
Abstract
Milk thistle seed oil is still not a well-known edible oil. Silybum marianum (milk thistle), is present in several countries and is the only known representative of the genus Silybum. However, Silybum eburneum, which is an endemic plant in Spain, Kenya, Morocco, Algeria, and Tunisia, is considered a marginalized species. The present work is the first report that gives information on the lipid and phenolic profiles of Tunisian S. eburneum seed oil compared to those of Tunisian S. marianum seed oil. In addition, the antioxidant properties of these oils were determined with DPPH, FRAP, and KRL assays, and their ability to prevent oxidative stress was determined on human monocytic THP-1 cells. These oils are characterized by high amounts of unsaturated fatty acids; linoleic acid and oleic acid are the most abundant. Campesterol, sitosterol, stigmasterol, and β-amyrin were the major phytosterols identified. α-tocopherol was the predominant tocopherol found. These oils also contain significant amounts of phenolic compounds. The diversity and richness of Silybum marianum and Silybum eburneum seed oils in unsaturated fatty acids, phenolic compounds, and tocopherols are associated with high antioxidant activities revealed by the DPPH, FRAP, and KRL assays. In addition, on THP-1 cells, these oils powerfully reduced the oxidative stress induced by 7-ketocholesterol and 7β-hydroxycholesterol, two strongly pro-oxidant oxysterols often present at increased levels in patients with age-related diseases. Silybum marianum and Silybum eburneum seed oils are therefore important sources of bioactive molecules with nutritional interest that prevent age-related diseases, the frequency of which is increasing in all countries due to the length of life expectancy.
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Affiliation(s)
- Samah Maaloul
- Laboratory of Rangeland Ecosystems and Valorisation of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
| | - Imen Ghzaiel
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' (EA7270) University of Bourgogne/Inserm, Dijon, France
- University Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, Clermont-Ferrand, France
| | - Maher Mahmoudi
- Laboratory of Rangeland Ecosystems and Valorisation of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
- Laboratory of Plant, Soil and Environement Interactions (LR21ES01)-University of Tunis El-Manar, Faculty of Sciences of Tunis, El-Manar, Tunis, Tunisia
- Laboratory of Functional Physiology and Valorization of Bio-Ressources, Higher Institute of Biotechnology of Beja (LR23ES08), University of Jendouba, Jendouba, Tunisia
| | - Hédi Mighri
- Laboratory of Rangeland Ecosystems and Valorisation of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
| | - Vivien Pires
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' (EA7270) University of Bourgogne/Inserm, Dijon, France
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, Dijon, France
| | - Anne Vejux
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' (EA7270) University of Bourgogne/Inserm, Dijon, France
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, Dijon, France
| | | | | | | | - Fayçal Boughalleb
- Laboratory of Rangeland Ecosystems and Valorisation of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
| | - Gérard Lizard
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' (EA7270) University of Bourgogne/Inserm, Dijon, France
| | - Raoudha Abdellaoui
- Laboratory of Rangeland Ecosystems and Valorisation of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
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Aschner M, Skalny AV, Paoliello MMB, Tinkova MN, Martins AC, Santamaria A, Lee E, Rocha JBT, Farsky SHP, Tinkov AA. Retinal toxicity of heavy metals and its involvement in retinal pathology. Food Chem Toxicol 2024; 188:114685. [PMID: 38663763 DOI: 10.1016/j.fct.2024.114685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/16/2024] [Accepted: 04/22/2024] [Indexed: 05/04/2024]
Abstract
The objective of the present review is to discuss epidemiological evidence demonstrating the association between toxic metal (Cd, Pb, Hg, As, Sn, Ti, Tl) exposure and retinal pathology, along with the potential underlying molecular mechanisms. Epidemiological studies demonstrate that Cd, and to a lesser extent Pb exposure, are associated with age-related macular degeneration (AMD), while the existing evidence on the levels of these metals in patients with diabetic retinopathy is scarce. Epidemiological data on the association between other toxic metals and metalloids including mercury (Hg) and arsenic (As), are limited. Clinical reports and laboratory in vivo studies have shown structural alterations in different layers of retina following metal exposure. Examination of retina samples demonstrate that toxic metals can accumulate in the retina, and the rate of accumulation appears to increase with age. Experimental studies in vivo and in vitro studies in APRE-19 and D407 cells demonstrate that toxic metal exposure may cause retinal damage through oxidative stress, apoptosis, DNA damage, mitochondrial dysfunction, endoplasmic reticulum stress, impaired retinogenesis, and retinal inflammation. However, further epidemiological as well as laboratory studies are required for understanding the underlying molecular mechanisms and identifying of the potential therapeutic targets and estimation of the dose-response effects.
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Affiliation(s)
- Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Anatoly V Skalny
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, Yaroslavl, 150003, Russia; Center of Bioelementology and Human Ecology, IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119435, Russia
| | - Monica M B Paoliello
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, New York, NY 10461, USA
| | | | - Airton C Martins
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Abel Santamaria
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico; Laboratorio de Nanotecnología y Nanomedicina, Departamento de Cuidado de La Salud, Universidad Autónoma Metropolitana-Xochimilco, Mexico City 04960, Mexico
| | - Eunsook Lee
- Department of Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Joao B T Rocha
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil
| | - Sandra H P Farsky
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, São Paulo 05508-000, SP, Brazil
| | - Alexey A Tinkov
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, Yaroslavl, 150003, Russia; Center of Bioelementology and Human Ecology, IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119435, Russia.
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9
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Mohammadi H, Ariaei A, Ghobadi Z, Gorgich EAC, Rustamzadeh A. Which neuroimaging and fluid biomarkers method is better in theranostic of Alzheimer's disease? An umbrella review. IBRO Neurosci Rep 2024; 16:403-417. [PMID: 38497046 PMCID: PMC10940808 DOI: 10.1016/j.ibneur.2024.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 02/24/2024] [Indexed: 03/19/2024] Open
Abstract
Biomarkers are measured to evaluate physiological and pathological processes as well as responses to a therapeutic intervention. Biomarkers can be classified as diagnostic, prognostic, predictor, clinical, and therapeutic. In Alzheimer's disease (AD), multiple biomarkers have been reported so far. Nevertheless, finding a specific biomarker in AD remains a major challenge. Three databases, including PubMed, Web of Science, and Scopus were selected with the keywords of Alzheimer's disease, neuroimaging, biomarker, and blood. The results were finalized with 49 potential CSF/blood and 35 neuroimaging biomarkers. To distinguish normal from AD patients, amyloid-beta42 (Aβ42), plasma glial fibrillary acidic protein (GFAP), and neurofilament light (NFL) as potential biomarkers in cerebrospinal fluid (CSF) as well as the serum could be detected. Nevertheless, most of the biomarkers fairly change in the CSF during AD, listed as kallikrein 6, virus-like particles (VLP-1), galectin-3 (Gal-3), and synaptotagmin-1 (Syt-1). From the neuroimaging aspect, atrophy is an accepted biomarker for the neuropathologic progression of AD. In addition, Magnetic resonance spectroscopy (MRS), diffusion weighted imaging (DWI), diffusion tensor imaging (DTI), tractography (DTT), positron emission tomography (PET), and functional magnetic resonance imaging (fMRI), can be used to detect AD. Using neuroimaging and CSF/blood biomarkers, in combination with artificial intelligence, it is possible to obtain information on prognosis and follow-up on the different stages of AD. Hence physicians could select the suitable therapy to attenuate disease symptoms and follow up on the efficiency of the prescribed drug.
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Affiliation(s)
- Hossein Mohammadi
- Department of Bioimaging, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences (MUI), Isfahan, Islamic Republic of Iran
| | - Armin Ariaei
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Zahra Ghobadi
- Advanced Medical Imaging Ward, Pars Darman Medical Imaging Center, Karaj, Islamic Republic of Iran
| | - Enam Alhagh Charkhat Gorgich
- Department of Anatomy, School of Medicine, Iranshahr University of Medical Sciences, Iranshahr, Islamic Republic of Iran
| | - Auob Rustamzadeh
- Cellular and Molecular Research Center, Research Institute for Non-communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
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10
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Gonet-Surówka A, Ciechacka M, Kępczyński M, Dynarowicz-Latka P. Oxysterols in Cell Viability, Phospholipidosis and Extracellular Vesicles Production in a Lung Cancer Model. Cell Biochem Biophys 2024; 82:1019-1026. [PMID: 38514528 DOI: 10.1007/s12013-024-01255-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 03/13/2024] [Indexed: 03/23/2024]
Abstract
The study carried out systematic research on the influence of selected oxysterols on cells viability, phospholipidosis and the level of secreted extracellular vesicles. Three oxidized cholesterol derivatives, namely 7α-hydroxycholesterol (7α-OH), 7- ketocholesterol (7-K) and 24(S)-hydroxycholesterol (24(S)-OH) were tested in three different concentrations: 50 μM, 100 μM and 200 μM for 24 h incubation with A549 lung cancer cell line. All the studied oxysterols were found to alter cells viability. The lowest survival rate of the cells was observed after 24 h of 7-K treatment, slightly better for 7α-OH while cells incubated with 24(S)-OH had the best survival rate among the oxysterols used. 7-K increased phospholipids accumulation in cells, however, most noticeable effect was noticed for 24(S)-OH. Changes in the level of extracellular vesicles secreted in cells culture after the treatment with oxysterols were also observed. It was found that all oxysterols used increased the level of secreted vesicles, both exosomes and ectosomes. The strongest effect was noticed for 24(S)-OH. Taken together, these results suggest that 7-K is the most potent inducer of cancer cell death, while 7α-OH is slightly less potent in this respect. The lower cytotoxic effect of 24(S)-OH correlates with greater phospholipids accumulation, extracellular vesicles production and better cells survival.
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Affiliation(s)
- Agnieszka Gonet-Surówka
- Faculty of Chemistry, Department of General Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland.
| | - Mariola Ciechacka
- Faculty of Chemistry, Department of General Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Mariusz Kępczyński
- Faculty of Chemistry, Department of Physical Chemistry and Electrochemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Patrycja Dynarowicz-Latka
- Faculty of Chemistry, Department of General Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
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11
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Charrière K, Schneider V, Perrignon-Sommet M, Lizard G, Benani A, Jacquin-Piques A, Vejux A. Exploring the Role of Apigenin in Neuroinflammation: Insights and Implications. Int J Mol Sci 2024; 25:5041. [PMID: 38732259 PMCID: PMC11084463 DOI: 10.3390/ijms25095041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/01/2024] [Accepted: 05/01/2024] [Indexed: 05/13/2024] Open
Abstract
Neuroinflammation, a hallmark of various central nervous system disorders, is often associated with oxidative stress and neuronal or oligodendrocyte cell death. It is therefore very interesting to target neuroinflammation pharmacologically. One therapeutic option is the use of nutraceuticals, particularly apigenin. Apigenin is present in plants: vegetables (parsley, celery, onions), fruits (oranges), herbs (chamomile, thyme, oregano, basil), and some beverages (tea, beer, and wine). This review explores the potential of apigenin as an anti-inflammatory agent across diverse neurological conditions (multiple sclerosis, Parkinson's disease, Alzheimer's disease), cancer, cardiovascular diseases, cognitive and memory disorders, and toxicity related to trace metals and other chemicals. Drawing upon major studies, we summarize apigenin's multifaceted effects and underlying mechanisms in neuroinflammation. Our review underscores apigenin's therapeutic promise and calls for further investigation into its clinical applications.
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Affiliation(s)
- Karine Charrière
- Université de Franche-Comté, CHU Besançon, UMR 1322 LINC, INSERM CIC 1431, 25000 Besançon, France;
| | - Vincent Schneider
- Centre des Sciences du Goût et de l’Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, 21000 Dijon, France; (V.S.); (M.P.-S.); (A.B.); (A.J.-P.)
- Neurology and Clinical Neurophysiology Department, CHU F. Mitterrand, 21000 Dijon, France
| | - Manon Perrignon-Sommet
- Centre des Sciences du Goût et de l’Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, 21000 Dijon, France; (V.S.); (M.P.-S.); (A.B.); (A.J.-P.)
| | - Gérard Lizard
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne, 21000 Dijon, France;
| | - Alexandre Benani
- Centre des Sciences du Goût et de l’Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, 21000 Dijon, France; (V.S.); (M.P.-S.); (A.B.); (A.J.-P.)
| | - Agnès Jacquin-Piques
- Centre des Sciences du Goût et de l’Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, 21000 Dijon, France; (V.S.); (M.P.-S.); (A.B.); (A.J.-P.)
- Neurology and Clinical Neurophysiology Department, CHU F. Mitterrand, 21000 Dijon, France
- Memory Resource and Research Center (CMRR), CHU F. Mitterrand, 21000 Dijon, France
| | - Anne Vejux
- Centre des Sciences du Goût et de l’Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, 21000 Dijon, France; (V.S.); (M.P.-S.); (A.B.); (A.J.-P.)
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne, 21000 Dijon, France;
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12
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Chen Y, Wu J. Aging-Related Sarcopenia: Metabolic Characteristics and Therapeutic Strategies. Aging Dis 2024:AD.2024.0407. [PMID: 38739945 DOI: 10.14336/ad.2024.0407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 04/07/2024] [Indexed: 05/16/2024] Open
Abstract
The proportion of the elderly population is gradually increasing as a result of medical care advances, leading to a subsequent surge in geriatric diseases that significantly impact quality of life and pose a substantial healthcare burden. Sarcopenia, characterized by age-related decline in skeletal muscle mass and quality, affects a considerable portion of older adults, particularly the elderly, and can result in adverse outcomes such as frailty, fractures, bedridden, hospitalization, and even mortality. Skeletal muscle aging is accompanied by underlying metabolic changes. Therefore, elucidating these metabolic profiles and specific mechanisms holds promise for informing prevention and treatment strategies for sarcopenia. This review provides a comprehensive overview of the key metabolites identified in current clinical studies on sarcopenia and their potential pathophysiological alterations in metabolic activity. Besides, we examine potential therapeutic strategies for sarcopenia from a perspective focused on metabolic regulation.
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13
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George M, Allerkamp HH, Koshenov Z, Oflaz FE, Tam-Amersdorfer C, Kolesnik T, Rittchen S, Lang M, Fröhlich E, Graier W, Strobl H, Wadsack C. Liver X receptor activation mitigates oxysterol-induced dysfunction in fetoplacental endothelial cells. Biochim Biophys Acta Mol Cell Biol Lipids 2024; 1869:159466. [PMID: 38369253 DOI: 10.1016/j.bbalip.2024.159466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/19/2024] [Accepted: 02/12/2024] [Indexed: 02/20/2024]
Abstract
Maintaining the homeostasis of the placental vasculature is of paramount importance for ensuring normal fetal growth and development. Any disruption in this balance can lead to perinatal morbidity. Several studies have uncovered an association between high levels of oxidized cholesterol (oxysterols), and complications during pregnancy, including gestational diabetes mellitus (GDM) and preeclampsia (PE). These complications often coincide with disturbances in placental vascular function. Here, we investigate the role of two oxysterols (7-ketocholesterol, 7β-hydroxycholesterol) in (dys)function of primary fetoplacental endothelial cells (fpEC). Our findings reveal that oxysterols exert a disruptive influence on fpEC function by elevating the production of reactive oxygen species (ROS) and interfering with mitochondrial transmembrane potential, leading to its depolarization. Moreover, oxysterol-treated fpEC exhibited alterations in intracellular calcium (Ca2+) levels, resulting in the reorganization of cell junctions and a corresponding increase in membrane stiffness and vascular permeability. Additionally, we observed an enhanced adhesion of THP-1 monocytes to fpEC following oxysterol treatment. We explored the influence of activating the Liver X Receptor (LXR) with the synthetic agonist T0901317 (TO) on oxysterol-induced endothelial dysfunction in fpEC. Our results demonstrate that LXR activation effectively reversed oxysterol-induced ROS generation, monocyte adhesion, and cell junction permeability in fpEC. Although the effects on mitochondrial depolarization and calcium mobilization did not reach statistical significance, a strong trend towards stabilization of calcium mobilization was evident in LXR-activated cells. Taken together, our results suggest that high levels of systemic oxysterols link to placental vascular dysfunction and LXR agonists may alleviate their impact on fetoplacental vasculature.
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Affiliation(s)
- Meekha George
- Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria.
| | | | - Zhanat Koshenov
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Division of Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria; Department of Biochemistry, Weill Cornell Medicine, New York, USA
| | - Furkan E Oflaz
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Division of Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria
| | - Carmen Tam-Amersdorfer
- Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology, Medical University of Graz, 8010 Graz, Austria
| | | | - Sonja Rittchen
- Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology, Medical University of Graz, 8010 Graz, Austria; Department of Pharmacology, Medical University of Graz, Austria
| | - Magdalena Lang
- Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology, Medical University of Graz, 8010 Graz, Austria
| | | | - Wolfgang Graier
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Division of Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria
| | - Herbert Strobl
- Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology, Medical University of Graz, 8010 Graz, Austria
| | - Christian Wadsack
- Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; BioTech-Med, 8010 Graz, Austria.
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14
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Huang H, Sharoar MG, Pathoulas J, Fan L, He W, Xiang R, Yan R. Accumulation of neutral lipids in dystrophic neurites surrounding amyloid plaques in Alzheimer's disease. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167086. [PMID: 38378084 PMCID: PMC10999334 DOI: 10.1016/j.bbadis.2024.167086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 02/06/2024] [Accepted: 02/15/2024] [Indexed: 02/22/2024]
Abstract
Alzheimer's disease (AD) is characterized by the formation β-amyloid (Aβ) deposited neuritic plaques. Recent evidence suggests that abnormal lipid metabolism and accumulation could serve as biomarkers for neurodegenerative diseases, including AD. Tubular endoplasmic reticulum protein, reticulon 3 (RTN3), plays a crucial role in the development of neuritic plaque and lipid metabolism in AD brains. In present study, we sought to investigate a potential association between neutral lipid accumulation and AD pathology. BODIPY 500/510 dye was used to label neutral lipid surrounding Aβ plaques in APPNL-G-F mouse and AD postmortem brains samples. Immunofluorescent images were captured using confocal microscope and co-localization between lipid metabolism proteins and neutral lipids were evaluated. Lipid accumulation in Aβ plaque surrounding dystrophic neurites (DNs) was observed in the cortical region of AD mouse models and human AD brain samples. The neutral lipid staining was not co-localized with IBA1-labeled microglia or GFAP-labeled astrocytes, but it was co-labeled with VAMP2 and neurofilament. We further showed that neutral lipids were accumulated in RTN3 immunoreactive DNs. Both the neutral lipids accumulation and RIDNs formation showed age-dependent patterns in surrounding amyloid plaques. Mechanistic studies revealed that RTN3 likely contributes to the enrichment of neutral lipids near plaques by interacting with heat shock cognate protein 70 (HSC70) and diminishing its function in chaperone-mediated lipophagy. Our study provides immunohistochemical evidence of neutral lipids being enriched in DNs near amyloid plaques. Our findings shed light on RTN3-mediaed lipid accumulation in AD neuropathology and provide fresh insights into the role of RTN3 in neurodegenerative diseases.
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Affiliation(s)
- Hao Huang
- Department of Nephrology, Xiangya Hospital and National Clinical Research Center for Geriatric Disorders, Central South University, Changsha, China; Department of Neuroscience, University of Connecticut Health, Farmington, CT, USA; Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, China.
| | - Md Golam Sharoar
- Department of Neuroscience, University of Connecticut Health, Farmington, CT, USA; Alzheimer's Disease Research Program, Corewell Health Research Institute, Oakland University William Beaumont School of Medicine, Corewell Health East, Royal Oak, MI 48073, USA
| | - Joseph Pathoulas
- Department of Neuroscience, University of Connecticut Health, Farmington, CT, USA
| | - Liangliang Fan
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China
| | - Wanxia He
- Department of Neuroscience, University of Connecticut Health, Farmington, CT, USA
| | - Rong Xiang
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, China.
| | - Riqiang Yan
- Department of Neuroscience, University of Connecticut Health, Farmington, CT, USA.
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15
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Yammine A, Ghzaiel I, Pires V, Zarrouk A, Kharoubi O, Greige-Gerges H, Auezova L, Lizard G, Vejux A. Cytoprotective effects of α-linolenic acid, eicosapentaenoic acid, docosahexaenoic acid, oleic acid and α-tocopherol on 7-ketocholesterol - Induced oxiapoptophagy: Major roles of PI3-K / PDK-1 / Akt signaling pathway and glutathione peroxidase activity in cell rescue. Curr Res Toxicol 2024; 6:100153. [PMID: 38379847 PMCID: PMC10877125 DOI: 10.1016/j.crtox.2024.100153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/23/2024] [Accepted: 02/05/2024] [Indexed: 02/22/2024] Open
Abstract
On murine N2a cells, 7-ketocholesterol induced an oxiapotophagic mode of cell death characterized by oxidative stress (reactive oxygen species overproduction on whole cells and at the mitochondrial level; lipid peroxidation), apoptosis induction (caspase-9, -3 and -7 cleavage, PARP degradation) and autophagy (increased ratio LC3-II / LC3-I). Oxidative stress was strongly attenuated by diphenyleneiodonium chloride which inhibits NAD(P)H oxidase. Mitochondrial and peroxisomal morphological and functional changes were also observed. Down regulation of PDK1 / Akt signaling pathways as well as of GSK3 / Mcl-1 and Nrf2 pathways were simultaneously observed in 7-ketocholesterol-induced oxiapoptophagy. These events were prevented by α-linolenic acid, eicosapentaenoic acid, docosahexaenoic acid, oleic acid and α-tocopherol. The inhibition of the cytoprotection by LY-294002, a PI3-K inhibitor, demonstrated an essential role of PI3-K in cell rescue. The rupture of oxidative stress in 7-ketocholesterol-induced oxiapoptophagy was also associated with important modifications of glutathione peroxidase, superoxide dismutase and catalase activities as well as of glutathione peroxidase-1, superoxide dismutase-1 and catalase level and expression. These events were also counteracted by α-linolenic acid, eicosapentaenoic acid, docosahexaenoic acid, oleic acid and α-tocopherol. The inhibition of the cytoprotection by mercaptosuccinic acid, a glutathione peroxidase inhibitor, showed an essential role of this enzyme in cell rescue. Altogether, our data support that the reactivation of PI3-K and glutathione peroxidase activities by α-linolenic acid, eicosapentaenoic acid, docosahexaenoic acid, oleic acid and α-tocopherol are essential to prevent 7KC-induced oxiapoptophagy.
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Affiliation(s)
- Aline Yammine
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270 / Inserm, University of Bourgogne, 21000 Dijon, France
- Bioactive Molecules Research Laboratory, Doctoral School of Sciences and Technologies, Faculty of Sciences, Lebanese University, Fanar, Jdeidet P.O. Box 90656, Lebanon
| | - Imen Ghzaiel
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270 / Inserm, University of Bourgogne, 21000 Dijon, France
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, F-63000 Clermont-Ferrand, France
| | - Vivien Pires
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270 / Inserm, University of Bourgogne, 21000 Dijon, France
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, F-21000 Dijon, France
| | - Amira Zarrouk
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia
- Faculty of Medicine, University of Sousse, Sousse 4000, Tunisia
| | - Omar Kharoubi
- University Oran 1 ABB: Laboratory of Experimental Biotoxicology, Biodepollution and Phytoremediation, Faculty of Life and Natural Sciences, Oran, Algeria
| | - Hélène Greige-Gerges
- Bioactive Molecules Research Laboratory, Doctoral School of Sciences and Technologies, Faculty of Sciences, Lebanese University, Fanar, Jdeidet P.O. Box 90656, Lebanon
| | - Lizette Auezova
- Bioactive Molecules Research Laboratory, Doctoral School of Sciences and Technologies, Faculty of Sciences, Lebanese University, Fanar, Jdeidet P.O. Box 90656, Lebanon
| | - Gérard Lizard
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270 / Inserm, University of Bourgogne, 21000 Dijon, France
| | - Anne Vejux
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270 / Inserm, University of Bourgogne, 21000 Dijon, France
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, F-21000 Dijon, France
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16
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Ghosh S, Ghzaiel I, Vejux A, Meaney S, Nag S, Lizard G, Tripathi G, Naez F, Paul S. Impact of Oxysterols in Age-Related Disorders and Strategies to Alleviate Adverse Effects. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1440:163-191. [PMID: 38036880 DOI: 10.1007/978-3-031-43883-7_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Oxysterols or cholesterol oxidation products are a class of molecules with the sterol moiety, derived from oxidative reaction of cholesterol through enzymatic and non-enzymatic processes. They are widely reported in animal-origin foods and prove significant involvement in the regulation of cholesterol homeostasis, lipid transport, cellular signaling, and other physiological processes. Reports of oxysterol-mediated cytotoxicity are in abundance and thus consequently implicated in several age-related and lifestyle disorders such as cardiovascular diseases, bone disorders, pancreatic disorders, age-related macular degeneration, cataract, neurodegenerative disorders such as Alzheimer's and Parkinson's disease, and some types of cancers. In this chapter, we attempt to review a selection of physiologically relevant oxysterols, with a focus on their formation, properties, and roles in health and disease, while also delving into the potential of natural and synthetic molecules along with bacterial enzymes for mitigating oxysterol-mediated cell damage.
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Affiliation(s)
- Shubhrima Ghosh
- Trinity Translational Medicine Institute, School of Medicine, Trinity College Dublin, Dublin 8, Ireland
| | - Imen Ghzaiel
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
- Faculty of Medicine, Laboratory 'Nutrition, Functional Food and Vascular Health' (LR12ES05), University of Monastir, Monastir, Tunisia
| | - Anne Vejux
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Steve Meaney
- School of Biological, Health and Sports Sciences, Technological University Dublin, Dublin 7, Ireland
| | - Sagnik Nag
- Department of Bio-Sciences, School of Biosciences & Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Gérard Lizard
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Garima Tripathi
- Department of Bio-Sciences, School of Biosciences & Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Falal Naez
- Department of Microbiology, Vijaygarh Jyotish Ray College, University of Calcutta, Kolkata, India
| | - Srijita Paul
- Department of Microbiology, Gurudas College, Kolkata, West Bengal, India
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17
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Dias IHK, Shokr H. Oxysterols as Biomarkers of Aging and Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1440:307-336. [PMID: 38036887 DOI: 10.1007/978-3-031-43883-7_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Oxysterols derive from either enzymatic or non-enzymatic oxidation of cholesterol. Even though they are produced as intermediates of bile acid synthesis pathway, they are recognised as bioactive compounds in cellular processes. Therefore, their absence or accumulation have been shown to be associated with disease phenotypes. This chapter discusses the contribution of oxysterol to ageing, age-related diseases such as neurodegeneration and various disorders such as cancer, cardiovascular disease, diabetes, metabolic and ocular disorders. It is clear that oxysterols play a significant role in development and progression of these diseases. As a result, oxysterols are being investigated as suitable markers for disease diagnosis purposes and some drug targets are in development targeting oxysterol pathways. However, further research will be needed to confirm the suitability of these potentials.
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Affiliation(s)
- Irundika H K Dias
- Aston Medical School, College of Health and Life Sciences, Aston University, Birmingham, UK.
| | - Hala Shokr
- Manchester Pharmacy School, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
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18
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Ksila M, Ghzaiel I, Sassi K, Zarrouk A, Leoni V, Poli G, Rezig L, Pires V, Meziane S, Atanasov AG, Hammami S, Hammami M, Masmoudi-Kouki O, Hamdi O, Jouanny P, Samadi M, Vejux A, Ghrairi T, Lizard G. Therapeutic Applications of Oxysterols and Derivatives in Age-Related Diseases, Infectious and Inflammatory Diseases, and Cancers. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1440:379-400. [PMID: 38036890 DOI: 10.1007/978-3-031-43883-7_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Oxysterols, resulting from the oxidation of cholesterol, are formed either by autoxidation, enzymatically, or by both processes. These molecules, which are provided in more or less important quantities depending on the type of diet, are also formed in the body and their presence is associated with a normal physiological activity. Their increase and decrease at the cellular level and in biological fluids can have significant consequences on health due or not to the interaction of some of these molecules with different types of receptors but also because oxysterols are involved in the regulation of RedOx balance, cytokinic and non-cytokinic inflammation, lipid metabolism, and induction of cell death. Currently, various pathologies such as age-related diseases, inflammatory and infectious diseases, and several cancers are associated with abnormal levels of oxysterols. Due to the important biological activities of oxysterols, their interaction with several receptors and their very likely implications in several diseases, this review focuses on these molecules and on oxysterol derivatives, which are often more efficient, in a therapeutic context. Currently, several oxysterol derivatives are developed and are attracting a lot of interest.
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Affiliation(s)
- Mohamed Ksila
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
- Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of Biomolecules (LR18ES03), Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
| | - Imen Ghzaiel
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
- Laboratory of Rangeland Ecosystems and Valorization of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
| | - Khouloud Sassi
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Amira Zarrouk
- Laboratory of Rangeland Ecosystems and Valorization of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
- Faculty of Medicine, University of Sousse, Laboratory of Biochemistry, Sousse, Tunisia
| | - Valerio Leoni
- Department of Laboratory Medicine, University of Milano-Bicocca, Azienda Socio Sanitaria Territoriale Brianza ASST-Brianza, Desio Hospital, Desio, Italy
| | - Giuseppe Poli
- Department of Clinical and Biological Sciences, University of Turin, San Luigi Hospital, Turin, Italy
| | - Leila Rezig
- University of Carthage, National Institute of Applied Sciences and Technology, LR11ES26, LIP-MB 'Laboratory of Protein Engineering and Bioactive Molecules', Tunis, Tunisia
- University of Carthage, High Institute of Food Industries, El Khadra City, Tunis, Tunisia
| | - Vivien Pires
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Smail Meziane
- Institut Européen des Antioxydants (IEA), Neuves-Maisons, France
| | - Atanas G Atanasov
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, Magdalenka, Poland
| | - Sonia Hammami
- Laboratory of Rangeland Ecosystems and Valorization of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
- University Hospital Fattouma Bourguiba, Monastir, Tunisia
| | - Mohamed Hammami
- Laboratory of Rangeland Ecosystems and Valorization of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
| | - Olfa Masmoudi-Kouki
- Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of Biomolecules (LR18ES03), Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
| | - Oumaima Hamdi
- University Hospital Fattouma Bourguiba, Monastir, Tunisia
- Pôle Personnes Agées, CHU de Dijon, Centre de Champmaillot, Dijon Cedex, France
| | - Pierre Jouanny
- Pôle Personnes Agées, CHU de Dijon, Centre de Champmaillot, Dijon Cedex, France
| | - Mohammad Samadi
- Laboratory of Chemistry and Physics Multi-Scale Approach to Complex Environments, Department of Chemistry, University Lorraine, Metz, France
| | - Anne Vejux
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Taoufik Ghrairi
- Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of Biomolecules (LR18ES03), Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
| | - Gérard Lizard
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France.
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19
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Ghzaiel I, Maaloul S, Ksila M, Namsi A, Yammine A, Debbabi M, Badreddine A, Meddeb W, Pires V, Nury T, Ménétrier F, Avoscan L, Zarrouk A, Baarine M, Masmoudi-Kouki O, Ghrairi T, Abdellaoui R, Nasser B, Hammami S, Hammami M, Samadi M, Vejux A, Lizard G. In Vitro Evaluation of the Effects of 7-Ketocholesterol and 7β-Hydroxycholesterol on the Peroxisomal Status: Prevention of Peroxisomal Damages and Concept of Pexotherapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1440:437-452. [PMID: 38036892 DOI: 10.1007/978-3-031-43883-7_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
7-Ketocholesterol and 7β-hydroxycholesterol are most often derived from the autoxidation of cholesterol. Their quantities are often increased in the body fluids and/or diseased organs of patients with age-related diseases such as cardiovascular diseases, Alzheimer's disease, age-related macular degeneration, and sarcopenia which are frequently associated with a rupture of RedOx homeostasis leading to a high oxidative stress contributing to cell and tissue damages. On murine cells from the central nervous system (158N oligodendrocytes, microglial BV-2 cells, and neuronal N2a cells) as well as on C2C12 murine myoblasts, these two oxysterols can induce a mode of cell death which is associated with qualitative, quantitative, and functional modifications of the peroxisome. These changes can be revealed by fluorescence microscopy (apotome, confocal microscopy), transmission electron microscopy, flow cytometry, quantitative reverse transcription polymerase chain reaction (RT-qPCR), and gas chromatography-coupled with mass spectrometry (GC-MS). Noteworthy, several natural molecules, including ω3 fatty acids, polyphenols, and α-tocopherol, as well as several Mediterranean oils [argan and olive oils, Milk-thistle (Sylibum marianum) and Pistacia lenticus seed oils], have cytoprotective properties and attenuate 7-ketocholesterol- and 7β-hydroxycholesterol-induced peroxisomal modifications. These observations led to the concept of pexotherapy.
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Affiliation(s)
- Imen Ghzaiel
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
- Faculty of Medicine, Laboratory 'Nutrition, Functional Food and Vascular Health' (LR12ES05), University of Monastir, Monastir, Tunisia
| | - Samah Maaloul
- Laboratory of Rangeland Ecosystems and Valorization of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
| | - Mohamed Ksila
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
- Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of Biomolecules (LR18ES03), Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
| | - Amira Namsi
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Aline Yammine
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Meriam Debbabi
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Asma Badreddine
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
- Laboratory of Biochemistry, Neuroscience, Natural Resources and Environment, Faculty of Science and Technology, University Hassan I, Settat, Morocco
| | - Wiem Meddeb
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Vivien Pires
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Thomas Nury
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Franck Ménétrier
- Centre des Sciences du Goût et de l'Alimentation, AgroSup Dijon, CNRS, INRAE, Université Bourgogne Franche-Comté, Dijon, France
| | - Laure Avoscan
- Agroécologie, AgroSup Dijon, CNRS, INRAE, University Bourgogne Franche-Comté, Plateforme DimaCell, Dijon, France
| | - Amira Zarrouk
- Faculty of Medicine, Laboratory 'Nutrition, Functional Food and Vascular Health' (LR12ES05), University of Monastir, Monastir, Tunisia
- Faculty of Medicine, University of Sousse, Laboratory of Biochemistry, Sousse, Tunisia
| | - Mauhamad Baarine
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Olfa Masmoudi-Kouki
- Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of Biomolecules (LR18ES03), Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
| | - Taoufik Ghrairi
- Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of Biomolecules (LR18ES03), Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis, Tunisia
| | - Raoudha Abdellaoui
- Laboratory of Rangeland Ecosystems and Valorization of Spontaneous Plants and Associated Microorganisms (LR16IRA03), Arid Regions Institute, University of Gabes, Medenine, Tunisia
| | - Boubker Nasser
- Laboratory of Biochemistry, Neuroscience, Natural Resources and Environment, Faculty of Science and Technology, University Hassan I, Settat, Morocco
| | - Sonia Hammami
- Faculty of Medicine, Laboratory 'Nutrition, Functional Food and Vascular Health' (LR12ES05), University of Monastir, Monastir, Tunisia
| | - Mohamed Hammami
- Faculty of Medicine, Laboratory 'Nutrition, Functional Food and Vascular Health' (LR12ES05), University of Monastir, Monastir, Tunisia
| | - Mohammad Samadi
- LCPMC-A2, ICPM, Department of Chemistry, University Lorraine, Metz Technopôle, Metz, France
| | - Anne Vejux
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France
| | - Gérard Lizard
- Bio-PeroxIL Laboratory, EA7270, University of Bourgogne & Inserm, Dijon, France.
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20
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Nguyen C, Saint-Pol J, Dib S, Pot C, Gosselet F. 25-Hydroxycholesterol in health and diseases. J Lipid Res 2024; 65:100486. [PMID: 38104944 PMCID: PMC10823077 DOI: 10.1016/j.jlr.2023.100486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/02/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023] Open
Abstract
Cholesterol is an essential structural component of all membranes of mammalian cells where it plays a fundamental role not only in cellular architecture, but also, for example, in signaling pathway transduction, endocytosis process, receptor functioning and recycling, or cytoskeleton remodeling. Consequently, intracellular cholesterol concentrations are tightly regulated by complex processes, including cholesterol synthesis, uptake from circulating lipoproteins, lipid transfer to these lipoproteins, esterification, and metabolization into oxysterols that are intermediates for bile acids. Oxysterols have been considered for long time as sterol waste products, but a large body of evidence has clearly demonstrated that they play key roles in central nervous system functioning, immune cell response, cell death, or migration and are involved in age-related diseases, cancers, autoimmunity, or neurological disorders. Among all the existing oxysterols, this review summarizes basic as well as recent knowledge on 25-hydroxycholesterol which is mainly produced during inflammatory or infectious situations and that in turn contributes to immune response, central nervous system disorders, atherosclerosis, macular degeneration, or cancer development. Effects of its metabolite 7α,25-dihydroxycholesterol are also presented and discussed.
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Affiliation(s)
- Cindy Nguyen
- UR 2465, Laboratoire de la Barrière Hémato-Encéphalique (LBHE), Univ. Artois, Lens, France
| | - Julien Saint-Pol
- UR 2465, Laboratoire de la Barrière Hémato-Encéphalique (LBHE), Univ. Artois, Lens, France
| | - Shiraz Dib
- UR 2465, Laboratoire de la Barrière Hémato-Encéphalique (LBHE), Univ. Artois, Lens, France
| | - Caroline Pot
- Department of Clinical Neurosciences, Laboratories of Neuroimmunology, Service of Neurology and Neuroscience Research Center, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Fabien Gosselet
- UR 2465, Laboratoire de la Barrière Hémato-Encéphalique (LBHE), Univ. Artois, Lens, France.
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21
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Deng C, Li M, Liu Y, Yan C, He Z, Chen ZY, Zhu H. Cholesterol Oxidation Products: Potential Adverse Effect and Prevention of Their Production in Foods. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:18645-18659. [PMID: 38011512 DOI: 10.1021/acs.jafc.3c05158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Cholesterol oxidation products (COPs) are a group of substances formed during food processing. COPs in diet is a health concern because they may affect human health in association with the risk of various diseases including atherosclerosis, Alzheimer's disease, age-related macular degeneration, diabetes, and chronic gastrointestinal inflammatory colitis. Production of COPs in foods can be affected by many factors such as temperature, pH, light, oxygen, water, carbohydrates, fatty acids, proteins, and metal cations. The key issue is preventing its generation in foods. Some COPs can also be produced in vivo by both nonenzymatic and enzymatic-catalyzed oxidation reactions. Currently, a number of natural antioxidants such as catechins, flavonoids, and other polyphenols have been proven to inhibit the generation of COPs. In addition, measures taken during food processing can also minimize the production of COPs, such as the Maillard reaction and marinating food with plant polyphenol-rich seasonings. In conclusion, a comprehensive approach encompassing the suppression on COPs generation and implementation of processing measures is imperative to safeguard human health against the production of COPs in the food chain.
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Affiliation(s)
- Chuanling Deng
- School of Food Science and Engineering/Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing/National Technical Center (Foshan) for Quality Control of Famous and Special Agricultural Products (CAQS-GAP-KZZX043), Foshan University, Foshan 528000, Guangdong China
| | - Mingxuan Li
- School of Food Science and Engineering/Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing/National Technical Center (Foshan) for Quality Control of Famous and Special Agricultural Products (CAQS-GAP-KZZX043), Foshan University, Foshan 528000, Guangdong China
- School of Life Sciences, South China Agricultural University, Guangzhou 510000, Guangdong China
| | - Yang Liu
- School of Food Science and Engineering/Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing/National Technical Center (Foshan) for Quality Control of Famous and Special Agricultural Products (CAQS-GAP-KZZX043), Foshan University, Foshan 528000, Guangdong China
| | - Chi Yan
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, NT 999077, Hong Kong China
| | - Zouyan He
- School of Public Health, Guangxi Medical University, Nanning 530021, Guangxi China
| | - Zhen-Yu Chen
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, NT 999077, Hong Kong China
| | - Hanyue Zhu
- School of Food Science and Engineering/Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing/National Technical Center (Foshan) for Quality Control of Famous and Special Agricultural Products (CAQS-GAP-KZZX043), Foshan University, Foshan 528000, Guangdong China
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22
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Ünlütürk U, Bahçecioğlu AB, Samadi A, Lay I, Bayraktar M, Dağdelen S. Glycemic variability leads to higher levels of auto-oxidized oxysterol species in patients with type 1 diabetes mellitus. J Endocrinol Invest 2023; 46:2547-2554. [PMID: 37188911 DOI: 10.1007/s40618-023-02110-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 05/08/2023] [Indexed: 05/17/2023]
Abstract
PURPOSE Hyperglycemia and glycemic variability (GV) are associated with oxidative stress in patients with diabetes mellitus (DM). Oxysterol species, produced by the non-enzymatic oxidation of cholesterol, are potential biomarkers of oxidative stress. This study examined the relationship between auto-oxidized oxysterols and GV in patients with type 1 DM. METHODS Thirty patients with type 1 DM using a continuous subcutaneous insulin infusion pump therapy and a healthy control group (n = 30) were included in this prospective study. A Continuous Glucose Monitoring System device was applied for 72 h. Blood samples were taken for oxysterols produced by non-enzymatic oxidation [7-ketocholesterol (7-KC) and cholestane-3β, 5α, 6β-triol (Chol-Triol)] levels at 72 h. Short-term glycemic variability parameters, mean amplitude of glycemic excursions (MAGE), the standard deviation of glucose measurements (Glucose-SD), and mean of daily differences (MODD) were calculated with continuous glucose monitoring data. HbA1c was used to evaluate glycemic control and HbA1c-SD (the SD of HbA1c over the past year) for long-term glycemic variability. RESULTS 7-KC and Chol-triol levels were significantly higher in the study group than in the control group. Strong positive correlations were found between 7-KC with MAGE(24-48 h) and Glucose-SD(24-48 h). 7-KC was positively correlated with MAGE(0-72 h) and Glucose-SD(0-72 h). No significant correlation was found between HbA1c and HbA1c -SD with oxysterol levels. The regression models showed that SD(24-48 h) and MAGE(24-48 h) predicted 7-KC levels while HbA1c did not. CONCLUSIONS Glycemic variability leads to higher levels of auto-oxidized oxysterol species in patients with type 1 DM independent of long-term glycemic control.
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Affiliation(s)
- U Ünlütürk
- Division of Endocrinology and Metabolism, Hacettepe University School of Medicine, Ankara, Turkey.
- Department of Internal Medicine, Hacettepe University, Ankara, Turkey.
| | - A B Bahçecioğlu
- Department of Internal Medicine, Hacettepe University, Ankara, Turkey
| | - A Samadi
- Department of Medical Biochemistry, School of Medicine, Hacettepe University, Ankara, Turkey
- Joint Laboratory of Applied Ecotoxicology, Korea Institute of Science and Technology Europe, KIST EU), Campus 7.1, 66123, Saarbrucken, Germany
| | - I Lay
- Department of Medical Biochemistry, School of Medicine, Hacettepe University, Ankara, Turkey
| | - M Bayraktar
- Division of Endocrinology and Metabolism, Hacettepe University School of Medicine, Ankara, Turkey
- Department of Internal Medicine, Hacettepe University, Ankara, Turkey
| | - S Dağdelen
- Division of Endocrinology and Metabolism, Hacettepe University School of Medicine, Ankara, Turkey
- Department of Internal Medicine, Hacettepe University, Ankara, Turkey
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23
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Liu Y, Zhang H, Fan C, Liu F, Li S, Li J, Zhao H, Zeng X. Potential role of Bcl2 in lipid metabolism and synaptic dysfunction of age-related hearing loss. Neurobiol Dis 2023; 187:106320. [PMID: 37813166 DOI: 10.1016/j.nbd.2023.106320] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/25/2023] [Accepted: 10/06/2023] [Indexed: 10/11/2023] Open
Abstract
Age-related hearing loss (ARHL) is a prevalent condition affecting millions of individuals globally. This study investigated the role of the cell survival regulator Bcl2 in ARHL through in vitro and in vivo experiments and metabolomics analysis. The results showed that the lack of Bcl2 in the auditory cortex affects lipid metabolism, resulting in reduced synaptic function and neurodegeneration. Immunohistochemical analysis demonstrated enrichment of Bcl2 in specific areas of the auditory cortex, including the secondary auditory cortex, dorsal and ventral areas, and primary somatosensory cortex. In ARHL rats, a significant decrease in Bcl2 expression was observed in these areas. RNAseq analysis showed that the downregulation of Bcl2 altered lipid metabolism pathways within the auditory pathway, which was further confirmed by metabolomics analysis. These results suggest that Bcl2 plays a crucial role in regulating lipid metabolism, synaptic function, and neurodegeneration in ARHL; thereby, it could be a potential therapeutic target. We also revealed that Bcl2 probably has a close connection with lipid peroxidation and reactive oxygen species (ROS) production occurring in cochlear hair cells and cortical neurons in ARHL. The study also identified changes in hair cells, spiral ganglion cells, and nerve fiber density as consequences of Bcl2 deficiency, which could potentially contribute to the inner ear nerve blockage and subsequent hearing loss. Therefore, targeting Bcl2 may be a promising potential therapeutic intervention for ARHL. These findings provide valuable insights into the molecular mechanisms underlying ARHL and may pave the way for novel treatment approaches for this prevalent age-related disorder.
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Affiliation(s)
- Yue Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai 519041, China; Department of Otolaryngology, Longgang E.N.T Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen 518172, China.
| | - Huasong Zhang
- Department of Otolaryngology, Longgang E.N.T Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen 518172, China; Department of Otolaryngology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000, China; Department of Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangzhou, 510000, China.
| | - Cong Fan
- Department of Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangzhou, 510000, China
| | - Feiyi Liu
- Department of Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangzhou, 510000, China
| | - Shaoying Li
- Department of Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangzhou, 510000, China
| | - Juanjuan Li
- Department of Otolaryngology, Longgang E.N.T Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen 518172, China
| | - Huiying Zhao
- Department of Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangzhou, 510000, China
| | - Xianhai Zeng
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai 519041, China; Department of Otolaryngology, Longgang E.N.T Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen 518172, China.
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24
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Ghzaiel I, Zarrouk A, Pires V, de Barros JPP, Hammami S, Ksila M, Hammami M, Ghrairi T, Jouanny P, Vejux A, Lizard G. 7β-Hydroxycholesterol and 7-ketocholesterol: New oxidative stress biomarkers of sarcopenia inducing cytotoxic effects on myoblasts and myotubes. J Steroid Biochem Mol Biol 2023; 232:106345. [PMID: 37286110 DOI: 10.1016/j.jsbmb.2023.106345] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 04/21/2023] [Accepted: 06/04/2023] [Indexed: 06/09/2023]
Abstract
Aging is a complex biological process which can be associated with skeletal muscle degradation leading to sarcopenia. The aim of this study consisted i) to determine the oxidative and inflammatory status of sarcopenic patients and ii) to clarify the impact of oxidative stress on myoblasts and myotubes. To this end, various biomarkers of inflammation (C-reactive protein (CRP), TNF-α, IL-6, IL-8, leukotriene B4 (LTB4)) and oxidative stress (malondialdehyde, conjugated dienes, carbonylated proteins and antioxidant enzymes: catalase, superoxide dismutase, glutathione peroxidase) as well as oxidized derivatives of cholesterol formed by cholesterol autoxidation (7-ketocholesterol, 7β-hydroxycholesterol), were analyzed. Apelin, a myokine which contributes to muscle strength, was also quantified. To this end, a case-control study was conducted to evaluate the RedOx and inflammatory status in 45 elderly subjects (23 non-sarcopenic; 22 sarcopenic) from 65 years old and higher. SARCopenia-Formular (SARC-F) and Timed Up and Go (TUG) tests were used to distinguish between sarcopenic and non-sarcopenic subjects. By using red blood cells, plasma and/or serum, we observed in sarcopenic patients an increased activity of major antioxidant enzymes (superoxide dismutase, glutathione peroxidase, catalase) associated with lipid peroxidation and protein carbonylation (increased level of malondialdehyde, conjugated dienes and carbonylated proteins). Higher levels of 7-ketocholesterol and 7β-hydroxycholesterol were also observed in the plasma of sarcopenic patients. Significant differences were only observed with 7β-hydroxycholesterol. In sarcopenic patients comparatively to non-sarcopenic subjects, significant increase of CRP, LTB4 and apelin were observed whereas similar levels of TNF-α, IL-6 and IL-8 were found. The increased plasma level of 7-ketocholesterol and 7β-hydroxycholesterol in sarcopenic patients led us to study the cytotoxic effect of these oxysterols on undifferentiated (myoblasts) and differentiated (myotubes) murine C2C12 cells. With the fluorescein diacetate and sulforhodamine 101 assays, an induction of cell death was observed both on undifferentiated and differentiated cells: the cytotoxic effects were less pronounced with 7-ketocholesterol. In addition, IL-6 secretion was never detected whatever the culture conditions, TNF-α secretion was significantly increased on undifferentiated and differentiated C2C12 cells treated with 7-ketocholesterol- and 7β-hydroxycholesterol, and IL-8 secretion was increased on differentiated cells. 7-ketocholesterol- and 7β-hydroxycholesterol-induced cell death was strongly attenuated by α-tocopherol and Pistacia lentiscus L. seed oil both on myoblasts and/or myotubes. TNF-α and/or IL-8 secretions were reduced by α-tocopherol and Pistacia lentiscus L. seed oil. Our data support the hypothesis that the enhancement of oxidative stress observed in sarcopenic patients could contribute, especially via 7β-hydroxycholesterol, to skeletal muscle atrophy and inflammation via cytotoxic effects on myoblasts and myotubes. These data bring new elements to understand the pathophysiology of sarcopenia and open new perspectives for the treatment of this frequent age-related disease.
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Affiliation(s)
- Imen Ghzaiel
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, Université de Bourgogne, 21000 Dijon, France; Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia
| | - Amira Zarrouk
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia; Faculty of Medicine, University of Sousse, Sousse 4000, Tunisia.
| | - Vivien Pires
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, Université de Bourgogne, 21000 Dijon, France
| | | | - Sonia Hammami
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia
| | - Mohamed Ksila
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, Université de Bourgogne, 21000 Dijon, France; Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of BioMolecules, LR18ES03, Department of Biology, Faculty of Sciences, University Tunis-El Manar, Tunis 2092, Tunisia
| | - Mohamed Hammami
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia
| | - Taoufik Ghrairi
- Université de Bourgogne, Lipidomic Platform, 21000 Dijon, France
| | - Pierre Jouanny
- Geriatric Internal Medicine Department (Champmaillot), University Hospital Center, Université de Bourgogne, 21000 Dijon, France
| | - Anne Vejux
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, Université de Bourgogne, 21000 Dijon, France
| | - Gérard Lizard
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, Université de Bourgogne, 21000 Dijon, France.
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25
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Bao C, Wu T, Zhu S, Wang X, Zhang Y, Wang X, Yang L, He C. Regulation of cholesterol homeostasis in osteoporosis mechanisms and therapeutics. Clin Sci (Lond) 2023; 137:1131-1143. [PMID: 37553962 DOI: 10.1042/cs20220752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 06/27/2023] [Accepted: 07/03/2023] [Indexed: 08/10/2023]
Abstract
Osteoporosis is a metabolic bone disease that affects hundreds of millions of people worldwide and is characterized by excessive loss of bone protein and mineral content. The incidence and mortality of osteoporosis increase with age, creating a significant medical and economic burden globally. The importance of cholesterol levels has been reported in the development of diseases including osteoporosis. It is important to note that key enzymes and molecules involved in cholesterol homeostasis are closely related to bone formation. Excessive cholesterol may cause osteoporosis, cholesterol and its metabolites affect bone homeostasis by regulating the proliferation and stimulation of osteoblasts and osteoclasts. Therefore, antagonism of elevated cholesterol levels may be a potential strategy to prevent osteoporosis. There is sufficient evidence to support the use of bisphosphonates and statin drugs for osteoporosis in the clinic. Therefore, in view of the aggravation of the aging problem, we summarize the intracellular mechanism of cholesterol homeostasis and its relationship with osteoporosis (including cholesterol and cholesterol oxidation products (COPs) in osteoporosis). Furthermore, the current clinical cholesterol-lowering drugs for osteoporosis were also summarized, as are new and promising therapies (cell-based therapies (e.g., stem cells) and biomaterial-delivered target drug therapies for osteoporosis as well).
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Affiliation(s)
- Chuncha Bao
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Tao Wu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Siyi Zhu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Xiaoyi Wang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Yujia Zhang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Xiangxiu Wang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Lin Yang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Chengqi He
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People's Republic of China
- Key Laboratory of Rehabilitation Medicine, Rehabilitation Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
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Abstract
All mammalian cell membranes contain cholesterol to maintain membrane integrity. The transport of this hydrophobic lipid is mediated by lipoproteins. Cholesterol is especially enriched in the brain, particularly in synaptic and myelin membranes. Aging involves changes in sterol metabolism in peripheral organs and also in the brain. Some of those alterations have the potential to promote or to counteract the development of neurodegenerative diseases during aging. Here, we summarize the current knowledge of general principles of sterol metabolism in humans and mice, the most widely used model organism in biomedical research. We discuss changes in sterol metabolism that occur in the aged brain and highlight recent developments in cell type-specific cholesterol metabolism in the fast-growing research field of aging and age-related diseases, focusing on Alzheimer's disease. We propose that cell type-specific cholesterol handling and the interplay between cell types critically influence age-related disease processes.
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Affiliation(s)
- Gesine Saher
- Department of Neurogenetics, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany;
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27
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Zhor C, Wafaa L, Ghzaiel I, Kessas K, Zarrouk A, Ksila M, Ghrairi T, Latruffe N, Masmoudi-Kouki O, El Midaoui A, Vervandier-Fasseur D, Hammami M, Lizard G, Vejux A, Kharoubi O. Effects of polyphenols and their metabolites on age-related diseases. Biochem Pharmacol 2023:115674. [PMID: 37414102 DOI: 10.1016/j.bcp.2023.115674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/08/2023]
Abstract
Aging contributes to the progressive loss of cellular biological functions and increases the risk of age-related diseases. Cardiovascular diseases, some neurological disorders and cancers are generally classified as age-related diseases that affect the lifespan of individuals. These diseases result from the accumulation of cellular damage and reduced activity of protective stress response pathways, which can lead to inflammation and oxidative stress, which play a key role in the aging process. There is now increasing interest in the therapeutic effects of edible plants for the prevention of various diseases, including those associated with aging. It has become clear that the beneficial effects of these foods are due, at least in part, to the high concentration of bioactive phenolic compounds with low side effects. Antioxidants are the most abundant, and their high consumption in the Mediterranean diet has been associated with slower ageing in humans. Extensive human dietary intervention studies strongly suggest that polyphenol supplementation protects against the development of degenerative diseases, especially in the elderly. In this review, we present data on the biological effects of plant polyphenols in the context of their relevance to human health, ageing and the prevention of age-related diseases.
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Affiliation(s)
- Chouari Zhor
- University Oran 1 ABB: laboratory of Experimental Biotoxicology, Biodepollution and Phytoremediation, Faculty of Life and Natural Sciences. Oran Algeria.
| | - Lounis Wafaa
- University Oran 1 ABB: laboratory of Experimental Biotoxicology, Biodepollution and Phytoremediation, Faculty of Life and Natural Sciences. Oran Algeria.
| | - Imen Ghzaiel
- University Bourgogne Franche-Comté, Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, 21000 Dijon, France; University of Monastir: Faculty of Medicine, LR12ES05, Lab-NAFS 'Nutrition - Functional Food & Vascular Health', 5000 Monastir, Tunisia; University Tunis-El Manar, Faculty of Sciences of Tunis, 2092 Tunis, Tunisia.
| | - Khadidja Kessas
- University Oran 1 ABB: laboratory of Experimental Biotoxicology, Biodepollution and Phytoremediation, Faculty of Life and Natural Sciences. Oran Algeria.
| | - Amira Zarrouk
- University of Monastir: Faculty of Medicine, LR12ES05, Lab-NAFS 'Nutrition - Functional Food & Vascular Health', 5000 Monastir, Tunisia; University of Sousse: Faculty of Medicine, Sousse, Tunisia.
| | - Mohamed Ksila
- University Bourgogne Franche-Comté, Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, 21000 Dijon, France; University Tunis-El Manar, Loboratory of Neurophysiology, Cellular Physiopathology and Valorisation of BioMolecules, LR18ES03, Department of Biology, Faculty of Sciences, 2092 Tunis, Tunisia.
| | - Taoufik Ghrairi
- University Tunis-El Manar, Loboratory of Neurophysiology, Cellular Physiopathology and Valorisation of BioMolecules, LR18ES03, Department of Biology, Faculty of Sciences, 2092 Tunis, Tunisia.
| | - Norbert Latruffe
- University Bourgogne Franche-Comté, Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, 21000 Dijon, France.
| | - Olfa Masmoudi-Kouki
- University Tunis-El Manar, Loboratory of Neurophysiology, Cellular Physiopathology and Valorisation of BioMolecules, LR18ES03, Department of Biology, Faculty of Sciences, 2092 Tunis, Tunisia.
| | - Adil El Midaoui
- Department of Pharmacology and Physiology, Faculty of Medicine, University of Montreal, Canada.
| | - Dominique Vervandier-Fasseur
- Institut de Chimie Moléculaire de l'Université de Bourgogne, ICMUB-UMR CNRS 6302, University Bourgogne Franche-Comté, 9, avenue A. Savary, 21078 Dijon Cedex, France.
| | - Mohamed Hammami
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, 5000 Monastir, Tunisia.
| | - Gérard Lizard
- University Bourgogne Franche-Comté, Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, 21000 Dijon, France.
| | - Anne Vejux
- University Bourgogne Franche-Comté, Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism' EA7270/Inserm, 21000 Dijon, France.
| | - Omar Kharoubi
- University Oran 1 ABB: laboratory of Experimental Biotoxicology, Biodepollution and Phytoremediation, Faculty of Life and Natural Sciences. Oran Algeria.
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Uwineza A, Cummins I, Jarrin M, Kalligeraki AA, Barnard S, Mol M, Degani G, Altomare AA, Aldini G, Schreurs A, Balschun D, Ainsbury EA, Dias IHK, Quinlan RA. Identification and quantification of ionising radiation-induced oxysterol formation in membranes of lens fibre cells. ADVANCES IN REDOX RESEARCH 2023; 7:None. [PMID: 38798747 PMCID: PMC11112148 DOI: 10.1016/j.arres.2022.100057] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 05/29/2024]
Abstract
Ionising radiation (IR) is a cause of lipid peroxidation, and epidemiological data have revealed a correlation between exposure to IR and the development of eye lens cataracts. Cataracts remain the leading cause of blindness around the world. The plasma membranes of lens fibre cells are one of the most cholesterolrich membranes in the human body, forming lipid rafts and contributing to the biophysical properties of lens fibre plasma membrane. Liquid chromatography followed by mass spectrometry was used to analyse bovine eye lens lipid membrane fractions after exposure to 5 and 50 Gy and eye lenses taken from wholebody 2 Gy-irradiated mice. Although cholesterol levels do not change significantly, IR dose-dependant formation of the oxysterols 7β-hydroxycholesterol, 7-ketocholesterol and 5, 6-epoxycholesterol in bovine lens nucleus membrane extracts was observed. Whole-body X-ray exposure (2 Gy) of 12-week old mice resulted in an increase in 7β-hydroxycholesterol and 7-ketocholesterol in their eye lenses. Their increase regressed over 24 h in the living lens cortex after IR exposure. This study also demonstrated that the IR-induced fold increase in oxysterols was greater in the mouse lens cortex than the nucleus. Further work is required to elucidate the mechanistic link(s) between oxysterols and IR-induced cataract, but these data evidence for the first time that IR exposure of mice results in oxysterol formation in their eye lenses.
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Affiliation(s)
- Alice Uwineza
- Department of Biosciences, University of Durham, Upper Mountjoy Science Site, South Road, Durham DH1 3LE, United Kingdom
- Biophysical Sciences Institute, University of Durham, South Road, Durham D1 3LE, United Kingdom
| | - Ian Cummins
- Department of Biosciences, University of Durham, Upper Mountjoy Science Site, South Road, Durham DH1 3LE, United Kingdom
| | - Miguel Jarrin
- Department of Biosciences, University of Durham, Upper Mountjoy Science Site, South Road, Durham DH1 3LE, United Kingdom
- Biophysical Sciences Institute, University of Durham, South Road, Durham D1 3LE, United Kingdom
| | - Alexia A. Kalligeraki
- Department of Biosciences, University of Durham, Upper Mountjoy Science Site, South Road, Durham DH1 3LE, United Kingdom
- Biophysical Sciences Institute, University of Durham, South Road, Durham D1 3LE, United Kingdom
| | - Stephen Barnard
- Department of Biosciences, University of Durham, Upper Mountjoy Science Site, South Road, Durham DH1 3LE, United Kingdom
- Biophysical Sciences Institute, University of Durham, South Road, Durham D1 3LE, United Kingdom
- UK Health Security Agency, Cytogenetics and Pathology Group, Centre for Radiation, Chemical and Environmental Hazards Division, Chilton, Oxon OX11 0RQ, Didcot, United Kingdom
| | - Marco Mol
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Milano 20133, Italy
| | - Genny Degani
- Department of Biosciences, Via Celoria 26, Milano 20133, Italy
| | | | - Giancarlo Aldini
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Milano 20133, Italy
| | - An Schreurs
- Brain & Cognition, Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Detlef Balschun
- Brain & Cognition, Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Elizabeth A. Ainsbury
- UK Health Security Agency, Cytogenetics and Pathology Group, Centre for Radiation, Chemical and Environmental Hazards Division, Chilton, Oxon OX11 0RQ, Didcot, United Kingdom
| | - Irundika HK Dias
- Aston Medical School, Aston University, B4 7ET, Birmingham, United Kingdom
| | - Roy A. Quinlan
- Department of Biosciences, University of Durham, Upper Mountjoy Science Site, South Road, Durham DH1 3LE, United Kingdom
- Biophysical Sciences Institute, University of Durham, South Road, Durham D1 3LE, United Kingdom
- Department of Biological Structure, University of Washington, 1959 NE Pacific Street, Seattle, WA 98195, United States
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29
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Lipidomic Analysis of Hand Skin Surface Lipids Reveals Smoking-Related Skin Changes. Metabolites 2023; 13:metabo13020254. [PMID: 36837873 PMCID: PMC9963340 DOI: 10.3390/metabo13020254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/04/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Smoking contributes to the formation of skin wrinkles and reduces skin function, but the mechanism is not yet fully proven. This study aims to compare and analyze the effects of smoking on skin lipids and to further investigate the harmful effects of smoking on the skin. A total of 40 subjects (20 male smokers and 20 healthy control males) were recruited for this study. Measurement of hand skin-surface lipids (SSLs) in smoking and healthy control groups was undertaken using ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS). Multivariate data analysis was used to investigate the differences in SSLs between the two groups. There were 1230 lipids detected in the two groups and significant differences in SSLs' composition were observed between them. Under selected conditions, 26 types of lipid with significant differences were observed between the two groups (p < 0.05). Sphingolipids (SP) and glycerolipids (GL) were significantly increased, and sterol lipids (ST) were significantly reduced. Smoking causes changes in skin lipids that disrupt skin homeostasis, making the skin more fragile and more susceptible to skin aging and diseases.
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Babazadeh A, Vahed FM, Liu Q, Siddiqui SA, Kharazmi MS, Jafari SM. Natural Bioactive Molecules as Neuromedicines for the Treatment/Prevention of Neurodegenerative Diseases. ACS OMEGA 2023; 8:3667-3683. [PMID: 36743024 PMCID: PMC9893457 DOI: 10.1021/acsomega.2c06098] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 12/29/2022] [Indexed: 06/18/2023]
Abstract
The brain is vulnerable to different types of stresses, particularly oxidative stress as a result of oxygen requirements/utilization in the body. Large amounts of unsaturated fatty acids present in the brain increase this vulnerability. Neurodegenerative diseases (NDDs) are brain disorders that are characterized by the gradual loss of specific neurons and are attributed to broad evidence of cell-level oxidative stress. The accurate characterization of neurological disorders relies on several parameters along with genetics and environmental risk factors, making therapies less efficient to fight NDDs. On the way to tackle oxidative damage and discover efficient and safe therapies, bioactives are at the edge of NDD science. Naturally occurring bioactive compounds such as polyphenols, carotenoids, essential fatty acids, phytosterols, essential oils, etc. are particularly of interest owing to their potent antioxidant and anti-inflammatory activities, and they offer lots of brain-health-promoting features. This Review focuses on probing the neuroefficacy and bioefficacy of bioactives and their role in supporting relatively low antioxidative and low regenerative capacities of the brain, neurogenesis, neuroprotection, and ameliorating/treating NDDs.
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Affiliation(s)
- Afshin Babazadeh
- Center
for Motor Neuron Disease Research, Macquarie Medical School, Faculty
of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Fereshteh Mohammadi Vahed
- Center
for Motor Neuron Disease Research, Macquarie Medical School, Faculty
of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Qi Liu
- Institute
of Translational Medicine, Medical College, Yangzhou University, Yangzhou 225009, China
- Jiangsu
Key Laboratory of Integrated Traditional Chinese and Western Medicine
for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou 225009, China
| | - Shahida Anusha Siddiqui
- Technical
University of Munich Campus Straubing for Biotechnology and Sustainability, Essigberg 3, 94315 Straubing, Germany
- German
Institute of Food Technologies (DIL e.V.), Prof.-von-Klitzing-Straße 7, 49610 D Quakenbrück, Germany
| | | | - Seid Mahdi Jafari
- Department
of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan 4913815739, Iran
- Nutrition
and Bromatology Group, Department of Analytical Chemistry and Food
Science, Faculty of Science, Universidade
de Vigo, E-32004 Ourense, Spain
- College
of Food Science and Technology, Hebei Agricultural
University, Baoding 071001, China
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31
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Implication of Oxysterols in Infectious and Non-Communicable Inflammatory Diseases. Cells 2023; 12:cells12020241. [PMID: 36672175 PMCID: PMC9856663 DOI: 10.3390/cells12020241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 12/30/2022] [Indexed: 01/09/2023] Open
Abstract
Oxysterols, derived from cholesterol oxidation, are formed either by autoxidation, via enzymes, or by both processes [...].
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32
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Liu Z, Huang S, Zheng Y, Zhou T, Hu L, Xiong L, Li DWC, Liu Y. The lens epithelium as a major determinant in the development, maintenance, and regeneration of the crystalline lens. Prog Retin Eye Res 2023; 92:101112. [PMID: 36055924 DOI: 10.1016/j.preteyeres.2022.101112] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 02/01/2023]
Abstract
The crystalline lens is a transparent and refractive biconvex structure formed by lens epithelial cells (LECs) and lens fibers. Lens opacity, also known as cataracts, is the leading cause of blindness in the world. LECs are the principal cells of lens throughout human life, exhibiting different physiological properties and functions. During the embryonic stage, LECs proliferate and differentiate into lens fibers, which form the crystalline lens. Genetics and environment are vital factors that influence normal lens development. During maturation, LECs help maintain lens homeostasis through material transport, synthesis and metabolism as well as mitosis and proliferation. If disturbed, this will result in loss of lens transparency. After cataract surgery, the repair potential of LECs is activated and the structure and transparency of the regenerative tissue depends on postoperative microenvironment. This review summarizes recent research advances on the role of LECs in lens development, homeostasis, and regeneration, with a particular focus on the role of cholesterol synthesis (eg., lanosterol synthase) in lens development and homeostasis maintenance, and how the regenerative potential of LECs can be harnessed to develop surgical strategies and improve the outcomes of cataract surgery (Fig. 1). These new insights suggest that LECs are a major determinant of the physiological and pathological state of the lens. Further studies on their molecular biology will offer possibility to explore new approaches for cataract prevention and treatment.
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Affiliation(s)
- Zhenzhen Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Shan Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Yingfeng Zheng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Tian Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Leyi Hu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Lang Xiong
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - David Wan-Cheng Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Yizhi Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China; Research Unit of Ocular Development and Regeneration, Chinese Academy of Medical Sciences, Beijing, 100085, China.
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33
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Elzayat EM, Shahien SA, El-Sherif AA, Hosney M. miRNAs and Stem Cells as Promising Diagnostic and Therapeutic Targets for Alzheimer's Disease. J Alzheimers Dis 2023; 94:S203-S225. [PMID: 37212107 PMCID: PMC10473110 DOI: 10.3233/jad-221298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2023] [Indexed: 05/23/2023]
Abstract
Alzheimer's disease (AD) is a cumulative progressive neurodegenerative disease characterized mainly by impairment in cognitive functions accompanied by memory loss, disturbance in behavior and personality, and difficulties in learning. Although the main causes of AD pathogenesis are not fully understood yet, amyloid-β peptides and tau proteins are supposed to be responsible for AD onset and pathogenesis. Various demographic, genetic, and environmental risk factors are involved in AD onset and pathogenesis such as age, gender, several genes, lipids, malnutrition, and poor diet. Significant changes were observed in microRNA (miRNA) levels between normal and AD cases giving hope for a diagnostic procedure for AD through a simple blood test. As yet, only two classes of AD therapeutic drugs are approved by FDA. They are classified as acetylcholinesterase inhibitors and N-methyl-D-aspartate antagonists (NMDA). Unfortunately, they can only treat the symptoms but cannot cure AD or stop its progression. New therapeutic approaches were developed for AD treatment including acitretin due to its ability to cross blood-brain barrier in the brain of rats and mice and induce the expression of ADAM 10 gene, the α-secretase of human amyloid-β protein precursor, stimulating the non-amyloidogenic pathway for amyloid-β protein precursor processing resulting in amyloid-β reduction. Also stem cells may have a crucial role in AD treatment as they can improve cognitive functions and memory in AD rats through regeneration of damaged neurons. This review spotlights on promising diagnostic techniques such as miRNAs and therapeutic approaches such as acitretin and/or stem cells keeping in consideration AD pathogenesis, stages, symptoms, and risk factors.
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Affiliation(s)
- Emad M. Elzayat
- Zoology Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Sherif A. Shahien
- Biotechnology/Bimolecular Chemistry Program, Faculty of Science, Helwan University, Cairo, Egypt
| | - Ahmed A. El-Sherif
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Mohamed Hosney
- Zoology Department, Faculty of Science, Cairo University, Giza, Egypt
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34
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Çetin YS, Altındağ F, Berköz M. Protective role of resveratrol and apigenin against toxic effects of bisphenol a in rat salivary gland. Drug Chem Toxicol 2023; 46:88-96. [PMID: 34875952 DOI: 10.1080/01480545.2021.2011310] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVES The aim of this study was to investigate the cellular changes caused by Bisphenol A (BPA) exposure in salivary gland cells and to examine the protective role of resveratrol (RSV) and apigenin (APG) molecules against the negative effects of BPA. MATERIALS AND METHODS Forty-two rats were randomly divided into 6 groups as; (i) control, (ii) BPA (130 mg/kg), (iii) BPA + RSV100 (100 mg/kg), (iv) BPA + RSV200 (200 mg/kg), (v) BPA + APG100 (100 mg/kg), and (vi) BPA + APG200 (200 mg/kg). In all experimental groups, the chemicals were given by gavage every day for a total of 28 days. RESULTS The BPA administration caused a significant increase in tissue oxidative stress parameters as opposed to a significant decrease in tissue antioxidant levels (p < 0.05). On the other hand, it was observed that RSV and APG treatment reversed this situation (p < 0.05). The BPA administration did not cause a significant change in tissue prostaglandin E2 (PGE2) and nitric oxide levels, whereas low-dose RSV significantly reduced the tissue PGE2 levels compared to BPA (p < 0.05). BPA caused cytopathological changes and apoptosis in salivary gland cells. In the BPA group, edema, nuclear pleomorphism, and pyknotic nuclei were observed. Moreover, both RSV and APG were found to provide protection against BPA-induced cellular damage, while RSV provided better cellular protection than APG. The control group had a normal histological structure. CONCLUSION BPA caused cytopathological changes and apoptosis in salivary gland cells. As a result, it was observed that these phytochemicals probably have cytoprotective effects in BPA intoxication.
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Affiliation(s)
- Yaser Said Çetin
- Faculty of Medicine, Department of Otorhinolaryngology, Van Yüzüncü Yıl University, Tuşba, Turkey
| | - Fikret Altındağ
- Faculty of Medicine, Department of Histology and Embryology, Van Yüzüncü Yıl University, Tuşba, Turkey
| | - Mehmet Berköz
- Faculty of Pharmacy, Department of Biochemistry, Van Yüzüncü Yıl University, Tuşba, Turkey
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35
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The Role of Dietary Lipids in Cognitive Health: Implications for Neurodegenerative Disease. Biomedicines 2022; 10:biomedicines10123250. [PMID: 36552006 PMCID: PMC9775642 DOI: 10.3390/biomedicines10123250] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/09/2022] [Accepted: 12/10/2022] [Indexed: 12/15/2022] Open
Abstract
Neurodegenerative diseases are a group of disorders characterised by progressive loss of brain function. The most common of these is Alzheimer's disease, a form of dementia. Intake of macro- and micro-nutrients impacts brain function, including memory, learning, mood, and behaviour. Lipids, particularly phospholipids and sphingolipids, are crucial structural components of neural tissues and significantly affect cognitive function. The importance of functional foods in preventing cardiovascular disease is well-documented in the current literature. However, the significance of such foods for central nervous system health and neurodegenerative diseases is less recognized. Gut microbiome composition affects cognitive health and function, and dietary lipids are known to influence gut health. Thus, this review will discuss different sources of dietary lipids and their effect on cognitive functioning and their interaction with the gut microbiome in the context of neurodegenerative disease.
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36
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Lizard G, Hammami M, Poli G. Pharmacological and Nutraceutical Activation of Rejuvenation, Geroprotection and Cytoprotection: Proofs of Concept. Cells 2022; 11:cells11233786. [PMID: 36497045 PMCID: PMC9737771 DOI: 10.3390/cells11233786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Aging is a process associated with life [...].
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Affiliation(s)
- Gérard Lizard
- Team Bio-PeroxIL ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’ (EA 7270), Université de Bourgogne, Inserm, 21000 Dijon, France
- Correspondence:
| | - Mohamed Hammami
- Lab-NAFS ‘Nutrition-Functional Food & Vascular Health’, Faculty of Medicine, LR12ES05, University Monastir, Monastir 5000, Tunisia
| | - Giuseppe Poli
- Department of Clinical and Biological Sciences, University of Turin, San Luigi Hospital, Orbassano, 10043 Turin, Italy
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37
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Ghzaiel I, Nury T, Zarrouk A, Vejux A, Lizard G. Oxiapoptophagy in Age-Related Diseases. Comment on Ouyang et al. 7-Ketocholesterol Induces Oxiapoptophagy and Inhibits Osteogenic Differentiation in MC3T3-E1 Cells. Cells 2022, 11, 2882. Cells 2022; 11:cells11223612. [PMID: 36429041 PMCID: PMC9688161 DOI: 10.3390/cells11223612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/07/2022] [Accepted: 11/11/2022] [Indexed: 11/18/2022] Open
Abstract
Due to the increase in life span and life expectancy, which can, however, be more or less pronounced depending on the economic, social and cultural context [...].
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Affiliation(s)
- Imen Ghzaiel
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’ EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
- Lab-NAFS ‘Nutrition—Functional Food & Vascular Health’, Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia
- Faculty of Sciences of Tunis, University Tunis-El Manar, Tunis 2092, Tunisia
| | - Thomas Nury
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’ EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Amira Zarrouk
- Lab-NAFS ‘Nutrition—Functional Food & Vascular Health’, Faculty of Medicine, University of Monastir, LR12ES05, Monastir 5000, Tunisia
- Faculty of Medicine, University of Sousse, Sousse 4000, Tunisia
| | - Anne Vejux
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’ EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Gérard Lizard
- Team ‘Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism’ EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
- Correspondence: ; Tel.: +33-3-80-39-62-56
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Rezig L, Ghzaiel I, Ksila M, Yammine A, Nury T, Zarrouk A, Samadi M, Chouaibi M, Vejux A, Lizard G. Cytoprotective activities of representative nutrients from the Mediterranean diet and of Mediterranean oils against 7-ketocholesterol- and 7β-hydroxycholesterol-induced cytotoxicity: Application to age-related diseases and civilization diseases. Steroids 2022; 187:109093. [PMID: 36029811 DOI: 10.1016/j.steroids.2022.109093] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 12/17/2022]
Abstract
7-ketocholesterol and 7β-hydroxycholesterol are two oxysterols mainly formed by the autoxidation of cholesterol. These two molecules are interconvertible via specific enzymes. These two oxysterols are often observed at increased amounts in biological fluids as well as tissues and organs affected during age-related diseases and in diseases of civilization such as cardiovascular, neurodegenerative, and ocular diseases as well as type 2 diabetes and metabolic syndrome. Noteworthy, 7-ketocholesterol and 7β-hydroxycholesterol induce oxidative stress and inflammation, which are frequently observed in patients with age-related and civilization diseases. For this reason, the involvement of these two oxysterols in the pathophysiology of these diseases is widely suspected. In addition, the toxicity of these oxysterols can lead to death by oxiapoptophagy characterized by oxidative stress, apoptosis induction and autophagy criteria. To prevent, or even treat, certain age-related or civilization diseases associated with increased levels of 7-ketocholesterol and 7β-hydroxycholesterol, the identification of molecules or mixtures of molecules attenuating or inhibiting the toxic effects of these oxysterols allows to consider new treatments. In this context, many nutrients present in significant amounts in the Mediterranean diet, especially tocopherols, fatty acids, and polyphenols, have shown cytoprotective activities as well as several Mediterranean oils (argan and olive oils, milk thistle seed oil, and pistacia lentiscus seed oil). Consequently, a nutraceutical approach, rich in nutrients present in the Mediterranean diet, could thus make it possible to counteract certain age-related and civilization diseases associated with increased levels of 7-ketocholesterol and 7β-hydroxycholesterol.
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Affiliation(s)
- Leila Rezig
- University of Carthage, National Institute of Applied Sciences and Technology, LR11ES26, LIP-MB 'Laboratory of Protein Engineering and Bioactive Molecules', Tunis 1080, Tunisia; University of Carthage, High Institute of Food Industries, 58 Alain Savary Street, El Khadra City, Tunis 1003, Tunisia.
| | - Imen Ghzaiel
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270), University of Bourgogne/Inserm, Dijon 21000, France; University of Monastir, Faculty of Medicine, LR12ES05, Lab-NAFS 'Nutrition - Functional Food & Vascular Health', Monastir 5000, Tunisia; University Tunis-El Manar, Faculty of Sciences of Tunis, Tunis 2092, Tunisia
| | - Mohamed Ksila
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270), University of Bourgogne/Inserm, Dijon 21000, France; Laboratory of Neurophysiology, Cellular Physiopathology and Valorisation of Biomolecules, (LR18ES03), Department of Biology, Faculty of Sciences, University Tunis El Manar, Tunis 2092, Tunisia
| | - Aline Yammine
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270), University of Bourgogne/Inserm, Dijon 21000, France; Institut Européen des Antioxydants (IEA), 1B, rue Victor de Lespinats, Neuves-Maisons 54230, France
| | - Thomas Nury
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270), University of Bourgogne/Inserm, Dijon 21000, France
| | - Amira Zarrouk
- University of Monastir, Faculty of Medicine, LR12ES05, Lab-NAFS 'Nutrition - Functional Food & Vascular Health', Monastir 5000, Tunisia; Laboratory of Biochemistry, Faculty of Medicine, University of Sousse, Sousse 4000, Tunisia
| | - Mohammad Samadi
- LCPMC-A2, ICPM, Department of Chemistry, University Lorraine, Metz Technopôle, Metz 57070, France
| | - Moncef Chouaibi
- University of Carthage, High Institute of Food Industries, 58 Alain Savary Street, El Khadra City, Tunis 1003, Tunisia; University of Carthage, Bio-preservation and Valorization of Agricultural Products UR13-AGR 02, High Institute of Food Industries, 58 Alain Savary Street, El Khadra City, Tunis 1003, Tunisia
| | - Anne Vejux
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270), University of Bourgogne/Inserm, Dijon 21000, France
| | - Gérard Lizard
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270), University of Bourgogne/Inserm, Dijon 21000, France.
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Hammel G, Zivkovic S, Ayazi M, Ren Y. Consequences and mechanisms of myelin debris uptake and processing by cells in the central nervous system. Cell Immunol 2022; 380:104591. [PMID: 36030093 DOI: 10.1016/j.cellimm.2022.104591] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/29/2022] [Accepted: 08/15/2022] [Indexed: 11/28/2022]
Abstract
Central nervous system (CNS) disorders and trauma involving changes to the neuronal myelin sheath have long been a topic of great interest. One common pathological change in these diseases is the generation of myelin debris resulting from the breakdown of the myelin sheath. Myelin debris contains many inflammatory and neurotoxic factors that inhibit remyelination and make its clearance a prerequisite for healing in CNS disorders. Many professional and semiprofessional phagocytes participate in the clearance of myelin debris in the CNS. These cells use various mechanisms for the uptake of myelin debris, and each cell type produces its own unique set of pathologic consequences resulting from the debris uptake. Examining these cells' phagocytosis of myelin debris will contribute to a more complete understanding of CNS disease pathogenesis and help us conceptualize how the necessary clearance of myelin debris must be balanced with the detrimental consequences brought about by its clearance.
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Affiliation(s)
- Grace Hammel
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, United States.
| | - Sandra Zivkovic
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, United States.
| | - Maryam Ayazi
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, United States.
| | - Yi Ren
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, United States.
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40
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Zhao M, Fan K, Wang J, Wang J, Xu Q, Wei D, Chen Y, Zhou L, Mao Z, Chen T. Lipidomic analysis reveals the effect of passive smoking on facial skin surface lipid in females. Chem Phys Lipids 2022; 247:105228. [PMID: 35940249 DOI: 10.1016/j.chemphyslip.2022.105228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/21/2022] [Accepted: 08/04/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Smoking has toxic effects on the skin and can damage it. However, few studies have focused on the lipid profile changes of facial skin surface lipids (SSL) by passive smoking. METHOD A cross-sectional analytical study was conducted on middle-aged females volunteered from Henan, China to participate in the study. A total of 20 passive smoking females and 20 non-passive smoking females were recruited for this study. The components of skin surface lipids were measured by ultra-performance liquid chromatography quadrupole time of flight mass spectrometry (UPLC-QTOF-MS). Multivariate data analysis and enrichment analysis were used to investigate the differences in facial SSL between passive and non-passive smoking females. RESULT There were 1247 lipid entities identified in facial SSL between passive and non-passive smoking females. Significant differences in composition of facial SSL were observed between the two groups. After multivariate data analysis suggested, 28 significantly different lipids were identified and classified into four classes in SSL of the female cheeks. As well as 32 significantly different lipids were obtained in SSL of the female foreheads, which included three classes of lipids. Subsequent analysis revealed that the content of fatty acids (FA) in passive smoking females was significantly reduced and the content of glycerolipids (GL) and sphingolipids (SP) increased, compared with the control group. CONCLUSION These results indicated that an increase in GLs and SPs of facial lipids and a decrease in FAs in passive smoking females. These changes in lipids might be associated with oxidative stress and interference with signaling pathways by substances in smoke. And passive smoking affected facial SSL and changed the content and metabolism of skin lipids.
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Affiliation(s)
- Mengzhen Zhao
- College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Keliang Fan
- College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Jia Wang
- College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Juan Wang
- College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Qingqing Xu
- College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Dandan Wei
- College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Yuanyuan Chen
- Research Center of Yuze skin health, Shanghai Jahwa, Shanghai 200082, PR China
| | - Lihong Zhou
- Division of Public Health Service and Safety Assessment, Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, PR China; NMPA Key Laboratory for Monitoring and Evaluation of Cosmetics, Shanghai 200336, PR China
| | - Zhenxing Mao
- College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China.
| | - Tian Chen
- Division of Public Health Service and Safety Assessment, Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, PR China; NMPA Key Laboratory for Monitoring and Evaluation of Cosmetics, Shanghai 200336, PR China.
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Rezig L, Martine L, Nury T, Msaada K, Mahfoudhi N, Ghzaiel I, Prost-Camus E, Durand P, Midaoui AE, Acar N, Latruffe N, Vejux A, Lizard G. Profiles of Fatty Acids, Polyphenols, Sterols, and Tocopherols and Scavenging Property of Mediterranean Oils: New Sources of Dietary Nutrients for the Prevention of Age-related Diseases. J Oleo Sci 2022; 71:1117-1133. [PMID: 35922928 DOI: 10.5650/jos.ess22110] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The present study provides the fatty acid, tocopherol, phytosterol, and polyphenol profiles of some Mediterranean oils extracted from pumpkin, melon, and black cumin seed oils and those of dietary argan seed oil. Gas chromatography analysis revealed that oleic and linoleic acids were the most abundant fatty acids. Argan and melon seed oils exhibited the highest levels of oleic acid (47.32±0.02%) and linoleic acid (58.35±0.26%), respectively. In terms of tocopherols, melon seed oil showed the highest amount (652.1±3.26 mg/kg) with a predominance of γ-tocopherol (633.1±18.81 mg/kg). The phytosterol content varied between 2237.00±37.55 µg/g for argan oil to 6995.55±224.01 µg/g for melon seed oil. High Performance Liquid Chromatography analysis also revealed the presence of several polyphenols: vanillin (0.59 mg equivalents Quercetin/100 g) for melon seed oil, and p-hydroxycinnamic acid (0.04 mg equivalents Quercetin/100 g), coumarine (0.05 mg equivalents Quercetin/100 g), and thymoquinone (1.2 mg equivalents Quercetin/100 g) for black cumin seed oil. The "Kit Radicaux Libres" (KRL) assay used to evaluate the scavenging properties of the oils showed that black cumin seed oil was the most efficient. On the light of the richness of all Mediterranean oil samples in bioactive compounds, the seed oils studied can be considered as important sources of nutrients endowed with cytoprotective properties which benefits in preventing age-related diseases which are characterized by an enhanced oxidative stress.
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Affiliation(s)
- Leila Rezig
- University of Carthage, National Institute of Applied Sciences and Technology, LR11ES26, LIP-MB 'Laboratory of Protein Engineering and Bioactive Molecules'.,University of Carthage, High Institute of Food Industries
| | - Lucy Martine
- Centre des Sciences du Goût et de l'Alimentation, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Eye and Nutrition Research Group
| | - Thomas Nury
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270) / University of Bourgogne / Inserm
| | - Kamel Msaada
- Laboratory of Aromatic and Medicinal Plants, Biotechnology Center in Borj-Cedria Technopole
| | - Nesrine Mahfoudhi
- Laboratory of Aromatic and Medicinal Plants, Biotechnology Center in Borj-Cedria Technopole.,University of Kairouan, Faculty of Science and Technology of Sidi Bouzid, Department of Biotechnology
| | - Imen Ghzaiel
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270) / University of Bourgogne / Inserm.,University of Monastir, Faculty of Medicine, LR12ES05, Lab-NAFS 'Nutrition - Functional Food & Vascular Health'.,University Tunis-El Manar, Faculty of Sciences of Tunis
| | | | | | - Adil El Midaoui
- Department of Pharmacology and Physiology, Faculty of Medicine, University of Montréal.,Department of Biology, FST Errachidia, Moulay Ismail University
| | - Niyazi Acar
- Centre des Sciences du Goût et de l'Alimentation, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Eye and Nutrition Research Group
| | - Norbert Latruffe
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270) / University of Bourgogne / Inserm
| | - Anne Vejux
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270) / University of Bourgogne / Inserm
| | - Gérard Lizard
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270) / University of Bourgogne / Inserm
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Wang D, Zhang Y, Xu M, Sun X, Cui X, Wang X, Liu D. Dietary Bacillus licheniformis improves the effect of Astragalus membranaceus extract on blood glucose by regulating antioxidation activity and intestinal microbiota in InR[E19]/TM2 Drosophila melanogaster. PLoS One 2022; 17:e0271177. [PMID: 35830425 PMCID: PMC9278782 DOI: 10.1371/journal.pone.0271177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 06/24/2022] [Indexed: 11/22/2022] Open
Abstract
Background The diabetes mellitus prevalence is rapidly increasing in most parts of the world and has become a vital health problem. Probiotic and herbal foods are valuable in the treatment of diabetes. Methods and performance In this study, Bacillus licheniformis (BL) and Astragalus membranaceus extract (AE) were given with food to InR[E19]/TM2 Drosophila melanogaster, and the blood glucose, antioxidation activity and intestinal microbiota were investigated. The obtained results showed that BA (BL and AE combination) supplementation markedly decreased the blood glucose concentration compared with the standard diet control group, accompanied by significantly increased enzymatic activities of catalase (CAT), decreased MDA levels and prolonged lifespan of InR[E19]/TM2 D. melanogaster. The treatments with BL, AE and BA also ameliorated intestinal microbiota equilibrium by increasing the population of Lactobacillus and significantly decreasing the abundance of Wolbachia. In addition, clearly different evolutionary clusters were found among the control, BL, AE and BA-supplemented diets, and the beneficial microbiota, Lactobacillaceae and Acetobacter, were found to be significantly increased in male flies that were fed BA. These results indicated that dietary supplementation with AE combined with BL not only decreased blood glucose but also extended the lifespan, with CAT increasing, MDA decreasing, and intestinal microbiota improving in InR[E19]/TM2 D. melanogaster. Conclusion The obtained results showed that dietary supplementation with BL and AE, under the synergistic effect of BL and AE, not only prolonged the lifespan of InR[E19]/TM2 D. melanogaster, increased body weight, and improved the body’s antiaging enzyme activity but also effectively improved the types and quantities of beneficial bacteria in the intestinal flora of InR[E19]/TM2 D. melanogaster to improve the characteristics of diabetes symptoms. This study provides scientific evidence for a safe and effective dietary therapeutic method for diabetes mellitus.
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Affiliation(s)
- Denghui Wang
- School of Life Science, Northeast Normal University, Changchun, PR China
| | - Yaxin Zhang
- School of Life Science, Northeast Normal University, Changchun, PR China
| | - Meiling Xu
- School of Life Science, Northeast Normal University, Changchun, PR China
| | - Xiaoling Sun
- School of Food Technology and Biotechnology, Changchun Vocational Institute of Technology, Changchun, PR China
| | - Xiulin Cui
- School of Life Science, Northeast Normal University, Changchun, PR China
| | - Xiuran Wang
- Engineering Research Center of Bioreactor and Pharmaceutical Development, Ministry of Education, College of Life Sciences, Jilin Agricultural University, Changchun, PR China
- * E-mail: (XW); (DL)
| | - Dongbo Liu
- School of Life Science, Northeast Normal University, Changchun, PR China
- * E-mail: (XW); (DL)
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Ghzaiel I, Zarrouk A, Essadek S, Martine L, Hammouda S, Yammine A, Ksila M, Nury T, Meddeb W, Tahri Joutey M, Mihoubi W, Caccia C, Leoni V, Samadi M, Acar N, Andreoletti P, Hammami S, Ghrairi T, Vejux A, Hammami M, Lizard G. Protective effects of milk thistle (Sylibum marianum) seed oil and α-tocopherol against 7β-hydroxycholesterol-induced peroxisomal alterations in murine C2C12 myoblasts: Nutritional insights associated with the concept of pexotherapy. Steroids 2022; 183:109032. [PMID: 35381271 DOI: 10.1016/j.steroids.2022.109032] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/15/2022] [Accepted: 03/31/2022] [Indexed: 12/11/2022]
Abstract
Peroxisomes play an important role in regulating cell metabolism and RedOx homeostasis. Peroxisomal dysfunctions favor oxidative stress and cell death. The ability of 7β-hydroxycholesterol (7β-OHC; 50 μM, 24 h), known to be increased in patients with age-related diseases such as sarcopenia, to trigger oxidative stress, mitochondrial and peroxisomal dysfunction was studied in murine C2C12 myoblasts. The capacity of milk thistle seed oil (MTSO, 100 μg/mL) as well as α-tocopherol (400 µM; reference cytoprotective agent) to counteract the toxic effects of 7β-OHC, mainly at the peroxisomal level were evaluated. The impacts of 7β-OHC, in the presence or absence of MTSO or α-tocopherol, were studied with complementary methods: measurement of cell density and viability, quantification of reactive oxygen species (ROS) production and transmembrane mitochondrial potential (ΔΨm), evaluation of peroxisomal mass as well as topographic, morphologic and functional peroxisomal changes. Our results indicate that 7β-OHC induces a loss of cell viability and a decrease of cell adhesion associated with ROS overproduction, alterations of mitochondrial ultrastructure, a drop of ΔΨm, and several peroxisomal modifications. In the presence of 7β-OHC, comparatively to untreated cells, important quantitative and qualitative peroxisomal modifications were also identified: a) a reduced number of peroxisomes with abnormal sizes and shapes, mainly localized in cytoplasmic vacuoles, were observed; b) the peroxisomal mass was decreased as indicated by lower protein and mRNA levels of the peroxisomal ABCD3 transporter; c) lower mRNA level of Pex5 involved in peroxisomal biogenesis as well as higher mRNA levels of Pex13 and Pex14, involved in peroxisomal biogenesis and/or pexophagy, was found; d) lower levels of ACOX1 and MFP2 enzymes, implicated in peroxisomal β-oxidation, were detected; e) higher levels of very-long-chain fatty acids, which are substrates of peroxisomal β-oxidation, were found. These different cytotoxic effects were strongly attenuated by MTSO, in the same range of order as with α-tocopherol. These findings underline the interest of MTSO and α-tocopherol in the prevention of peroxisomal damages (pexotherapy).
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Affiliation(s)
- Imen Ghzaiel
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France; Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, 5000 Monastir, Tunisia; Faculty of Sciences of Tunis, University Tunis-El Manar, 2092 Tunis, Tunisia
| | - Amira Zarrouk
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, 5000 Monastir, Tunisia; Faculty of Medicine, University of Sousse, 4000 Sousse, Tunisia.
| | - Soukaina Essadek
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France; Laboratory of Biochemistry, Neurosciences, Natural Resources and Environment, Faculty of Sciences & Techniques, University Hassan I, BP 577, 26000 Settat, Morocco
| | - Lucy Martine
- Centre des Sciences du Goût et de l'Alimentation, AgroSup Dijon, CNRS, INRAE, Université Bourgogne Franche-Comté, 21065 Dijon, France
| | - Souha Hammouda
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, 5000 Monastir, Tunisia
| | - Aline Yammine
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France; Bioactive Molecules Research Laboratory, Doctoral School of Sciences and Technologies, Faculty of Sciences, Lebanese University, Fanar, Jdeidet P.O. Box 90656, Lebanon
| | - Mohamed Ksila
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France; Faculty of Sciences of Tunis, University Tunis-El Manar, 2092 Tunis, Tunisia
| | - Thomas Nury
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Wiem Meddeb
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Mounia Tahri Joutey
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France; Laboratory of Biochemistry, Neurosciences, Natural Resources and Environment, Faculty of Sciences & Techniques, University Hassan I, BP 577, 26000 Settat, Morocco
| | - Wafa Mihoubi
- Laboratoire de Biotechnologie Moléculaire des Eucaryotes, Centre de Biotechnologie de Sfax, B.P 1177, Université de Sfax, 3018 Sfax, Tunisia
| | - Claudio Caccia
- Laboratory of Clinical Chemistry, Hospitals of Desio, ASST-Brianza and Department of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Valerio Leoni
- Laboratory of Clinical Chemistry, Hospitals of Desio, ASST-Brianza and Department of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Mohammad Samadi
- LCPMC-A2, ICPM, Department of Chemistry, University Lorraine, Metz Technopôle, 57070 Metz, France
| | - Niyazi Acar
- Centre des Sciences du Goût et de l'Alimentation, AgroSup Dijon, CNRS, INRAE, Université Bourgogne Franche-Comté, 21065 Dijon, France
| | - Pierre Andreoletti
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Sonia Hammami
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, 5000 Monastir, Tunisia
| | - Taoufik Ghrairi
- Faculty of Sciences of Tunis, University Tunis-El Manar, 2092 Tunis, Tunisia
| | - Anne Vejux
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Mohamed Hammami
- Lab-NAFS 'Nutrition-Functional Food & Vascular Health', Faculty of Medicine, University of Monastir, LR12ES05, 5000 Monastir, Tunisia
| | - Gérard Lizard
- Team 'Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism'EA7270/Inserm, University Bourgogne Franche-Comté, 21000 Dijon, France.
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Guidara W, Messedi M, Naifar M, Maalej M, Khrouf W, Grayaa S, Maalej M, Bonnefont-Rousselot D, Lamari F, Ayadi F. Plasma oxysterols in drug-free patients with schizophrenia. J Steroid Biochem Mol Biol 2022; 221:106123. [PMID: 35550868 DOI: 10.1016/j.jsbmb.2022.106123] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 04/29/2022] [Accepted: 05/05/2022] [Indexed: 11/15/2022]
Abstract
Evidence from clinical, genetic, and medical studies has shown the neuronal developmental disorder aspect of schizophrenia (SZ). Whereas oxysterols are vital factors in neurodevelopment, it is still unknown whether they are involved in the pathophysiology of SZ. The current study aims to explore the profile of oxysterols in plasma, ratio to total cholesterol (Tchol) and the association with clinical factors in patients with SZ. Forty men diagnosed with SZ and forty healthy controls matched for age and sex were included in the study. The ratios of cholestane-3β,5α,6β-triol, 27-hydroxycholesterol (27-OHC) and Cholestanol to Tchol increased in the schizophrenic group compared to controls. However, levels of 24S-hydroxycholesterol (24-OHC) were not significantly different between patients and controls. For the SZ patients, the plasma 24-OHC levels were positively correlated with the positive and negative syndrome total scores (PANSS) but negatively correlated with the Montreal Cognitive Assessment scores (MOCA). Moreover, the ratio Cholestanol to Tchol was negatively correlated with MOCA scores and positively correlated with PANSS general. The binary logistic regression analysis revealed that the ratio Cholestane-3β,5α,6β-triol/TChol could be considered as an independent risk factor for SZ. On the other hand, the receiver's operating characteristics analysis corresponding to potential biomarkers on SZ showed Areas Under the Curve (AUCs) of 82.1%; 69.7% and 77.6% for the ratio of Cholestane-3β,5α,6β-triol/TChol, 27-OHC/TChol and Cholestanol/TChol respectively. The relevance of Cholestane-3β,5α,6β-triol, 27-OHC and Cholestanol assays as biomarkers of this disease deserves further investigation.
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Affiliation(s)
- Wassim Guidara
- Research Laboratory "Molecular Basis of Human Diseases", LR19ES13, Sfax Medicine School, University of Sfax, Tunisia.
| | - Meriam Messedi
- Research Laboratory "Molecular Basis of Human Diseases", LR19ES13, Sfax Medicine School, University of Sfax, Tunisia
| | - Manel Naifar
- Research Laboratory "Molecular Basis of Human Diseases", LR19ES13, Sfax Medicine School, University of Sfax, Tunisia; Biochemistry Laboratory, Habib Bourguiba Hospital, Sfax, Tunisia
| | - Manel Maalej
- Psychiatry C-department, Hédi Chaker Hospital, Sfax, Tunisia
| | - Walid Khrouf
- Service de Biochimie Métabolique, AP-HP.Sorbonne Université, Hôpitaux Universitaires Pitié-Salpêtrière-Charles Foix, DMU BioGeM, F-75013 Paris, France
| | - Sahar Grayaa
- Research Laboratory "Molecular Basis of Human Diseases", LR19ES13, Sfax Medicine School, University of Sfax, Tunisia
| | - Mohamed Maalej
- Psychiatry C-department, Hédi Chaker Hospital, Sfax, Tunisia
| | - Dominique Bonnefont-Rousselot
- Service de Biochimie Métabolique, AP-HP.Sorbonne Université, Hôpitaux Universitaires Pitié-Salpêtrière-Charles Foix, DMU BioGeM, F-75013 Paris, France; Université de Paris, CNRS, Inserm, UTCBS, F-75006 Paris, France
| | - Foudil Lamari
- Service de Biochimie Métabolique, AP-HP.Sorbonne Université, Hôpitaux Universitaires Pitié-Salpêtrière-Charles Foix, DMU BioGeM, F-75013 Paris, France
| | - Fatma Ayadi
- Research Laboratory "Molecular Basis of Human Diseases", LR19ES13, Sfax Medicine School, University of Sfax, Tunisia; Biochemistry Laboratory, Habib Bourguiba Hospital, Sfax, Tunisia
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Ali J, Aziz MA, Rashid MMO, Basher MA, Islam MS. Propagation of age‐related diseases due to the changes of lipid peroxide and antioxidant levels in elderly people: A narrative review. Health Sci Rep 2022; 5:e650. [PMID: 35620545 PMCID: PMC9125877 DOI: 10.1002/hsr2.650] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/21/2022] [Accepted: 05/06/2022] [Indexed: 12/01/2022] Open
Abstract
Background and Aims Lipid peroxidation end products are the major culprit for inducing chronic diseases in elderly people. Along with the elevated level of lipid peroxide biomarkers, there is a significant disruption of antioxidants balance, which combinedly propagate the diseases of elderly people. The aim of the present review is to bridge the connection of changes in lipid peroxides biomarkers and antioxidants level with age‐associated diseases in elderly people. Methods This narrative review was performed following a comprehensive search for suitable articles in multiple online databases, including PubMed, Google Scholar, EMBASE, Web of Science, Cochrane Library, and ScienceDirect using selected search terms. The most appropriate literature was included based on the selection criteria. Results From the review, it is found that many age‐related diseases propagated with an increased level of the end products of lipid peroxide and reduced levels of antioxidants in elderly people. When the end products of lipid peroxidation increase in the body, it creates oxidative stress, which ultimately leads to many complicated diseases, including cancers, cardiovascular and neurogenic diseases, and many other chronic inflammatory diseases. The oxidative stress induced by peroxidation can be assessed by different lipid peroxide end products such as malondialdehyde, oxidized low‐density lipoprotein, isoprostanes, neuroprostanes, lipoperoxides, oxysterols (7‐ketocholesterol, 7β‐hydroxycholesterol), and many more. Conclusions This study definitively answers the correlation between the changes in lipid peroxides and antioxidants level and age‐related diseases. Our narrative article recommends future investigations for elucidating the mechanisms rigorously to establish a compact correlation.
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Affiliation(s)
- Julfikar Ali
- Department of Pharmacy, Faculty of Science Noakhali Science and Technology University Noakhali Bangladesh
| | - Md. Abdul Aziz
- Department of Pharmacy, Faculty of Science Noakhali Science and Technology University Noakhali Bangladesh
- Laboratory of Pharmacogenomics and Molecular Biology, Department of Pharmacy Noakhali Science and Technology University Noakhali Bangladesh
- Department of Pharmacy, Faculty of Pharmacy and Health Sciences State University of Bangladesh Dhaka Bangladesh
| | - Md. Mamun Or Rashid
- Department of Pharmacy, Faculty of Science Noakhali Science and Technology University Noakhali Bangladesh
| | - Mohammad Anwarul Basher
- Department of Pharmacy, Faculty of Science Noakhali Science and Technology University Noakhali Bangladesh
| | - Mohammad Safiqul Islam
- Department of Pharmacy, Faculty of Science Noakhali Science and Technology University Noakhali Bangladesh
- Laboratory of Pharmacogenomics and Molecular Biology, Department of Pharmacy Noakhali Science and Technology University Noakhali Bangladesh
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Oxysterols are potential physiological regulators of ageing. Ageing Res Rev 2022; 77:101615. [PMID: 35351610 DOI: 10.1016/j.arr.2022.101615] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/18/2022] [Accepted: 03/24/2022] [Indexed: 12/24/2022]
Abstract
Delaying and even reversing ageing is a major public health challenge with a tremendous potential to postpone a plethora of diseases including cancer, metabolic syndromes and neurodegenerative disorders. A better understanding of ageing as well as the development of innovative anti-ageing strategies are therefore an increasingly important field of research. Several biological processes including inflammation, proteostasis, epigenetic, oxidative stress, stem cell exhaustion, senescence and stress adaptive response have been reported for their key role in ageing. In this review, we describe the relationships that have been established between cholesterol homeostasis, in particular at the level of oxysterols, and ageing. Initially considered as harmful pro-inflammatory and cytotoxic metabolites, oxysterols are currently emerging as an expanding family of fine regulators of various biological processes involved in ageing. Indeed, depending of their chemical structure and their concentration, oxysterols exhibit deleterious or beneficial effects on inflammation, oxidative stress and cell survival. In addition, stem cell differentiation, epigenetics, cellular senescence and proteostasis are also modulated by oxysterols. Altogether, these data support the fact that ageing is influenced by an oxysterol profile. Further studies are thus required to explore more deeply the impact of the "oxysterome" on ageing and therefore this cholesterol metabolic pathway constitutes a promising target for future anti-ageing interventions.
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Dias IH, Shokr H, Shephard F, Chakrabarti L. Oxysterols and Oxysterol Sulfates in Alzheimer’s Disease Brain and Cerebrospinal Fluid. J Alzheimers Dis 2022; 87:1527-1536. [PMID: 35491790 PMCID: PMC9277668 DOI: 10.3233/jad-220083] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Background: Brain cholesterol levels are tightly regulated but increasing evidence indicates that cholesterol metabolism may drive Alzheimer’s disease (AD)-associated pathological changes. Recent advances in understanding of mitochondrial dysfunction in AD brain have presented a vital role played by mitochondria in oxysterol biosynthesis and their involvement in pathophysiology. Oxysterol accumulation in brain is controlled by various enzymatic pathways including sulfation. While research into oxysterol is under the areas of active investigation, there is less evidence for oxysterol sulfate levels in human brain. Objective: This study investigates the hypothesis that AD brain oxysterol detoxification via sulfation is impaired in later stages of disease resulting in oxysterol accumulation. Methods: Lipids were extracted from postmortem frozen brain tissue and cerebrospinal (CSF) from late- (Braak stage III-IV) and early- (Braak stage I-II) stage AD patients. Samples were spiked with internal standards prior to lipid extraction. Oxysterols were enriched with a two-step solid phase extraction using a polymeric SPE column and further separation was achieved by LC-MS/MS. Results: Oxysterols, 26-hydroxycholesterol (26-OHC), 25-hydroxycholesterol (25-OHC), and 7-oxycholesterol levels were higher in brain tissue and mitochondria extracted from late-stage AD brain tissue except for 24S-hydroxycholesterol, which was decreased in late AD. However, oxysterol sulfates are significantly lower in the AD frontal cortex. Oxysterols, 25-OHC, and 7-oxocholesterol was higher is CSF but 26-OHC and oxysterol sulfate levels were not changed. Conclusion: Our results show oxysterol metabolism is altered in AD brain mitochondria, favoring synthesis of 26-OHC, 25-OHC, and 7-oxocholesterol, and this may influence brain mitochondrial function and acceleration of the disease.
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Affiliation(s)
- Irundika H.K. Dias
- Aston Medical School, College of Health and Life Sciences, Aston University, Birmingham, UK
| | - Hala Shokr
- Manchester Pharmacy School, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Freya Shephard
- Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham, UK
| | - Lisa Chakrabarti
- Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham, UK
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de Freitas FA, Levy D, Reichert CO, Cunha-Neto E, Kalil J, Bydlowski SP. Effects of Oxysterols on Immune Cells and Related Diseases. Cells 2022; 11:cells11081251. [PMID: 35455931 PMCID: PMC9031443 DOI: 10.3390/cells11081251] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/01/2022] [Accepted: 04/05/2022] [Indexed: 12/13/2022] Open
Abstract
Oxysterols are the products of cholesterol oxidation. They have a wide range of effects on several cells, organs, and systems in the body. Oxysterols also have an influence on the physiology of the immune system, from immune cell maturation and migration to innate and humoral immune responses. In this regard, oxysterols have been involved in several diseases that have an immune component, from autoimmune and neurodegenerative diseases to inflammatory diseases, atherosclerosis, and cancer. Here, we review data on the participation of oxysterols, mainly 25-hydroxycholesterol and 7α,25-dihydroxycholesterol, in the immune system and related diseases. The effects of these oxysterols and main oxysterol receptors, LXR and EBI2, in cells of the immune system (B cells, T cells, macrophages, dendritic cells, oligodendrocytes, and astrocytes), and in immune-related diseases, such as neurodegenerative diseases, intestinal diseases, cancer, respiratory diseases, and atherosclerosis, are discussed.
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Affiliation(s)
- Fábio Alessandro de Freitas
- Lipids, Oxidation and Cell Biology Team, Laboratory of Immunology (LIM19), Heart Institute (InCor), Faculdade de Medicina, Universidade de São Paulo, Sao Paulo 05403-900, SP, Brazil; (F.A.d.F.); (D.L.); (C.O.R.)
| | - Débora Levy
- Lipids, Oxidation and Cell Biology Team, Laboratory of Immunology (LIM19), Heart Institute (InCor), Faculdade de Medicina, Universidade de São Paulo, Sao Paulo 05403-900, SP, Brazil; (F.A.d.F.); (D.L.); (C.O.R.)
| | - Cadiele Oliana Reichert
- Lipids, Oxidation and Cell Biology Team, Laboratory of Immunology (LIM19), Heart Institute (InCor), Faculdade de Medicina, Universidade de São Paulo, Sao Paulo 05403-900, SP, Brazil; (F.A.d.F.); (D.L.); (C.O.R.)
| | - Edecio Cunha-Neto
- Laboratory of Clinical Immunology and Allergy (LIM60), Heart Institute (InCor), Faculdade de Medicina, Universidade de São Paulo, Sao Paulo 05403-900, SP, Brazil;
- National Institute of Science and Technology for Investigation in Immunology-III/INCT, Sao Paulo 05403-000, SP, Brazil;
| | - Jorge Kalil
- National Institute of Science and Technology for Investigation in Immunology-III/INCT, Sao Paulo 05403-000, SP, Brazil;
- Laboratory of Immunology (LIM19), Heart Institute (InCor), Faculdade de Medicina, Universidade de São Paulo, Sao Paulo 05403-900, SP, Brazil
| | - Sérgio Paulo Bydlowski
- Lipids, Oxidation and Cell Biology Team, Laboratory of Immunology (LIM19), Heart Institute (InCor), Faculdade de Medicina, Universidade de São Paulo, Sao Paulo 05403-900, SP, Brazil; (F.A.d.F.); (D.L.); (C.O.R.)
- National Institute of Science and Technology in Regenerative Medicine (INCT-Regenera), CNPq, Rio de Janeiro 21941-902, RJ, Brazil
- Correspondence:
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Oxidative Stress and 4-hydroxy-2-nonenal (4-HNE): Implications in the Pathogenesis and Treatment of Aging-related Diseases. J Immunol Res 2022; 2022:2233906. [PMID: 35411309 PMCID: PMC8994689 DOI: 10.1155/2022/2233906] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/22/2021] [Accepted: 02/09/2022] [Indexed: 12/20/2022] Open
Abstract
Oxidative stress plays an important role in the development of aging-related diseases by accelerating the lipid peroxidation of polyunsaturated fatty acids in the cell membrane, resulting in the production of aldehydes, such as malondialdehyde and 4-hydroxy-2-nonenal (4-HNE) and other toxic substances. The compound 4-HNE forms adducts with DNA or proteins, disrupting many cell signaling pathways including the regulation of apoptosis signal transduction pathways. The binding of proteins to 4-HNE (4-HNE-protein) acts as an important marker of lipid peroxidation, and its increasing concentration in brain tissues and fluids because of aging, ultimately gives rise to some hallmark disorders, such as neurodegenerative diseases (Alzheimer's and Parkinson's diseases), ophthalmic diseases (dry eye, macular degeneration), hearing loss, and cancer. This review aims to describe the physiological origin of 4-HNE, elucidate its toxicity in aging-related diseases, and discuss the detoxifying effect of aldehyde dehydrogenase and glutathione in 4-HNE-driven aging-related diseases.
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Priyadarsini N, Nanda P, Devi S, Mohapatra S. Sarcopenia: An Age-Related Multifactorial Disorder. Curr Aging Sci 2022; 15:209-217. [PMID: 35249518 DOI: 10.2174/1874609815666220304194539] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 11/22/2022]
Abstract
Sarcopenia is an emerging clinical entity characterized by a gradual decline in skeletal muscle mass and strength that accompanies the normal aging process. It has been noted that sarcopenia is associated with various adverse health outcomes in the geriatric population like prolonged hospital admission, disability, poor quality of life, frailty, and mortality. Factors involved in the development of age-related sarcopenia include anorexia, alteration in the hormone levels, decreased neural innervation, low blood flow to the muscles, cytokine dysregulation, altered mitochondrial activity, genomic instability, intracellular proteolysis, and insulin resistance. Understanding the mechanism may help develop efficient preventive and therapeutic strategies which can improve the quality of life in elderly individuals. Thus, the objective of the present article is to review the literature regarding the mechanism involved in the development of sarcopenia in aged individuals.
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Affiliation(s)
- Nibedita Priyadarsini
- Department of Physiology, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Pranati Nanda
- Department of Physiology, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Sujata Devi
- Department of Medicine, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Subarna Mohapatra
- Department of Physiology, All India Institute of Medical Sciences, Bhubaneswar, India
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