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Glorieux C, Liu S, Trachootham D, Huang P. Targeting ROS in cancer: rationale and strategies. Nat Rev Drug Discov 2024:10.1038/s41573-024-00979-4. [PMID: 38982305 DOI: 10.1038/s41573-024-00979-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2024] [Indexed: 07/11/2024]
Abstract
Reactive oxygen species (ROS) in biological systems are transient but essential molecules that are generated and eliminated by a complex set of delicately balanced molecular machineries. Disruption of redox homeostasis has been associated with various human diseases, especially cancer, in which increased ROS levels are thought to have a major role in tumour development and progression. As such, modulation of cellular redox status by targeting ROS and their regulatory machineries is considered a promising therapeutic strategy for cancer treatment. Recently, there has been major progress in this field, including the discovery of novel redox signalling pathways that affect the metabolism of tumour cells as well as immune cells in the tumour microenvironment, and the intriguing ROS regulation of biomolecular phase separation. Progress has also been made in exploring redox regulation in cancer stem cells, the role of ROS in determining cell fate and new anticancer agents that target ROS. This Review discusses these research developments and their implications for cancer therapy and drug discovery, as well as emerging concepts, paradoxes and future perspectives.
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Affiliation(s)
- Christophe Glorieux
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Shihua Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | | | - Peng Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China.
- Metabolic Innovation Center, Sun Yat-Sen University, Guangzhou, China.
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2
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Li Q, Liao Q, Qi S, Huang H, He S, Lyu W, Liang J, Qin H, Cheng Z, Yu F, Dong X, Wang Z, Han L, Han Y. Opportunities and perspectives of small molecular phosphodiesterase inhibitors in neurodegenerative diseases. Eur J Med Chem 2024; 271:116386. [PMID: 38614063 DOI: 10.1016/j.ejmech.2024.116386] [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] [Revised: 03/19/2024] [Accepted: 04/01/2024] [Indexed: 04/15/2024]
Abstract
Phosphodiesterase (PDE) is a superfamily of enzymes that are responsible for the hydrolysis of two second messengers: cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). PDE inhibition promotes the gene transcription by activating cAMP-response element binding protein (CREB), initiating gene transcription of brain-derived neurotrophic factor (BDNF). The procedure exerts neuroprotective profile, and motor and cognitive improving efficacy. From this point of view, PDE inhibition will provide a promising therapeutic strategy for treating neurodegenerative disorders. Herein, we summarized the PDE inhibitors that have entered the clinical trials or been discovered in recent five years. Well-designed clinical or preclinical investigations have confirmed the effectiveness of PDE inhibitors, such as decreasing Aβ oligomerization and tau phosphorylation, alleviating neuro-inflammation and oxidative stress, modulating neuronal plasticity and improving long-term cognitive impairment.
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Affiliation(s)
- Qi Li
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China.
| | - Qinghong Liao
- Shandong Kangqiao Biotechnology Co., Ltd, Qingdao, 266033, Shandong, PR China
| | - Shulei Qi
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - He Huang
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Siyu He
- Guizhou Province Engineering Technology Research Center for Chemical Drug R&D, Guizhou Medical University, Guiyang, 550004, Guizhou, PR China
| | - Weiping Lyu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, PR China
| | - Jinxin Liang
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Huan Qin
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Zimeng Cheng
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Fan Yu
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Xue Dong
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Ziming Wang
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China; School of Pharmacy, Binzhou Medical University, Yantai, 256699, Shandong, PR China
| | - Lingfei Han
- School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, PR China
| | - Yantao Han
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China.
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3
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Wen D, Xie J, Yuan Y, Shen L, Yang Y, Chen W. The endogenous antioxidant ability of royal jelly in Drosophila is independent of Keap1/Nrf2 by activating oxidoreductase activity. INSECT SCIENCE 2024; 31:503-523. [PMID: 37632209 DOI: 10.1111/1744-7917.13252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 06/07/2023] [Accepted: 06/14/2023] [Indexed: 08/27/2023]
Abstract
Royal jelly (RJ) is a biologically active substance secreted by the hypopharyngeal and mandibular glands of worker honeybees. It is widely claimed that RJ reduces oxidative stress. However, the antioxidant activity of RJ has mostly been determined by in vitro chemical detection methods or by external administration drugs that cause oxidative stress. Whether RJ can clear the endogenous production of reactive oxygen species (ROS) in cells remains largely unknown. Here, we systematically investigated the antioxidant properties of RJ using several endogenous oxidative stress models of Drosophila. We found that RJ enhanced sleep quality of aging Drosophila, which is decreased due to an increase of oxidative damage with age. RJ supplementation improved survival and suppressed ROS levels in gut cells of flies upon exposure to hydrogen peroxide or to the neurotoxic agent paraquat. Moreover, RJ supplementation moderated levels of ROS in endogenous gut cells and extended lifespan after exposure of flies to heat stress. Sleep deprivation leads to accumulation of ROS in the gut cells, and RJ attenuated the consequences of oxidative stress caused by sleep loss and prolonged lifespan. Mechanistically, RJ prevented cell oxidative damage caused by heat stress or sleep deprivation, with the antioxidant activity in vivo independent of Keap1/Nrf2 signaling. RJ supplementation activated oxidoreductase activity in the guts of flies, suggesting its ability to inhibit endogenous oxidative stress and maintain health, possibly in humans.
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Affiliation(s)
- Dongjing Wen
- Institute of Life Sciences, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Jiayu Xie
- School of Medicine, Chongqing University, Chongqing, China
| | - Yao Yuan
- Institute of Life Sciences, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Lirong Shen
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Yufeng Yang
- Institute of Life Sciences, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Wenfeng Chen
- Institute of Life Sciences, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
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4
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Lee S, Kim SY, Kwon E, Choi S, Jung DM, Kim KK, Kim EM. A novel G3BP1-GFP reporter human lung cell system enabling real-time monitoring of stress granule dynamics for in vitro lung toxicity assessment. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 269:115755. [PMID: 38039847 DOI: 10.1016/j.ecoenv.2023.115755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/24/2023] [Accepted: 11/26/2023] [Indexed: 12/03/2023]
Abstract
Under various cellular stress conditions, including exposure to toxic chemicals, RNA-binding proteins (RBPs), including Ras GTPase-activating protein-binding protein 1 (G3BP1), aggregate and form stress granule complexes, which serve as hallmarks of cellular stress. The existing methods for analyzing stress granule assembly have limitations in the rapid detection of dynamic cellular stress and ignore the effects of constitutively overexpressed RBP on cellular stress and stress-related processes. Therefore, to overcome these limitations, we established a G3BP1-GFP reporter in a human lung epithelial cell line using CRISPR/Cas9-based knock-in as an alternative system for stress granule analysis. We showed that the G3BP1-GFP reporter system responds to stress conditions and forms a stress granule complex similar to that of native G3BP1. Furthermore, we validated the stress granule response of an established cell line under exposure to various household chemicals. Overall, this novel G3BP1-GFP reporter human lung cell system is capable of monitoring stress granule dynamics in real time and can be used for assessing the lung toxicity of various substances in vitro.
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Affiliation(s)
- Sangsoo Lee
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, South Korea
| | - Seung-Yeon Kim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, South Korea; Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, South Korea
| | - Eunhye Kwon
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, South Korea
| | - Sunkyung Choi
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, South Korea
| | - Da-Min Jung
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, South Korea
| | - Kee K Kim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, South Korea.
| | - Eun-Mi Kim
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, South Korea.
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5
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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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6
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Tong Z, Chu G, Wan C, Wang Q, Yang J, Meng Z, Du L, Yang J, Ma H. Multiple Metabolites Derived from Mushrooms and Their Beneficial Effect on Alzheimer's Diseases. Nutrients 2023; 15:2758. [PMID: 37375662 DOI: 10.3390/nu15122758] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/10/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Mushrooms with edible and medicinal potential have received widespread attention because of their diverse biological functions, nutritional value, and delicious taste, which are closely related to their rich active components. To date, many bioactive substances have been identified and purified from mushrooms, including proteins, carbohydrates, phenols, and vitamins. More importantly, molecules derived from mushrooms show great potential to alleviate the pathological manifestations of Alzheimer's disease (AD), which seriously affects the health of elderly people. Compared with current therapeutic strategies aimed at symptomatic improvement, it is particularly important to identify natural products from resource-rich mushrooms that can modify the progression of AD. This review summarizes recent investigations of multiple constituents (carbohydrates, peptides, phenols, etc.) isolated from mushrooms to combat AD. In addition, the underlying molecular mechanisms of mushroom metabolites against AD are discussed. The various mechanisms involved in the antiAD activities of mushroom metabolites include antioxidant and anti-neuroinflammatory effects, apoptosis inhibition, and stimulation of neurite outgrowth, etc. This information will facilitate the application of mushroom-derived products in the treatment of AD. However, isolation of new metabolites from multiple types of mushrooms and further in vivo exploration of the molecular mechanisms underlying their antiAD effect are still required.
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Affiliation(s)
- Zijian Tong
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Guodong Chu
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Chenmeng Wan
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Qiaoyu Wang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Jialing Yang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Zhaoli Meng
- Laboratory of Tumor Immunolgy, The First Hospital of Jilin University, Changchun 130061, China
| | - Linna Du
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Jing Yang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Hongxia Ma
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
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7
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Ye B, He D, Hu J, Yang S, Gao X, Cui M, Li Z, Wang H, Huang B, Fu S, Liu D. Notopterol inhibits LPS-induced inflammation in BV-2 cells via AKT/Nrf2/HO-1 signaling axis. Int Immunopharmacol 2023; 120:110334. [PMID: 37244113 DOI: 10.1016/j.intimp.2023.110334] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/24/2023] [Accepted: 05/10/2023] [Indexed: 05/29/2023]
Abstract
Accumulating research has indicated that inordinate activation of microglia releases inflammatory cytokines, damages neurons, and causes neuroinflammation, which eventually could lead to neurodegenerative diseases such as Parkinson's disease and Huntington's disease, etc. Notopterol (NOT) has anti-inflammatory and anti-oxidant functions in boundary tissues, but the effects of NOT on neuroinflammation have not been covered. Therefore, this study attempts to investigate the effect of NOT on neuroinflammation and the underlying mechanisms. According to the findings, NOT dramatically decreased the expression of pro-inflammatory mediators (interleukin-6 (IL-6), inducible nitric-oxide synthase (iNOS), tumor necrosis factor-α (TNF-α), and Cyclooxygenase-2 (COX-2)) in LPS-exposed BV-2 cells. Western blot analysis revealed that NOT could promote the activation of AKT/Nrf2/HO-1 signaling pathway. Further studies have shown that anti-inflammatory property of NOT was inhibited by MK2206 (an AKT inhibitor), RA (an Nrf2 inhibitor), and SnPP IX (an HO-1 inhibitor). In addition, it was also discovered that NOT could weaken the damage of LPS to BV-2 cells and improve their survival rate. As a result, our results imply that NOT inhibits the inflammatory response of BV-2 cells through the AKT/Nrf2/HO-1 signaling axis and exerts a neuroprotective effect by inhibiting the activation of BV-2 cells.
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Affiliation(s)
- Bojian Ye
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Dewei He
- College of Animal Science, Jilin University, Changchun, China
| | - Jinping Hu
- College of Animal Science, Jilin University, Changchun, China.
| | - Shuo Yang
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xiyu Gao
- College of Animal Science, Jilin University, Changchun, China
| | - Mingchi Cui
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Zhe Li
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Hefei Wang
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Bingxu Huang
- College of Animal Science, Jilin University, Changchun, China.
| | - Shoupeng Fu
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Dianfeng Liu
- College of Animal Science, Jilin University, Changchun, China.
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8
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Liu S, Jia Y, Meng S, Luo Y, Yang Q, Pan Z. Mechanisms of and Potential Medications for Oxidative Stress in Ovarian Granulosa Cells: A Review. Int J Mol Sci 2023; 24:ijms24119205. [PMID: 37298157 DOI: 10.3390/ijms24119205] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/20/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Granulosa cells are essential for follicle initiation and development, and their abnormal function or apoptosis is a crucial factor leading to follicular atresia. A state of oxidative stress occurs when the balance between the production of reactive oxygen species and the regulation of the antioxidant system is disturbed. Oxidative stress is one of the most important causes of the abnormal function and apoptosis of granulosa cells. Oxidative stress in granulosa cells causes female reproductive system diseases, such as polycystic ovary syndrome and premature ovarian failure. In recent years, studies have confirmed that the mechanism of oxidative stress in granulosa cells is closely linked to the PI3K-AKT signaling pathway, MAPK signaling pathway, FOXO axis, Nrf2 pathway, NF-κB signaling pathway, and mitophagy. It has been found that drugs such as sulforaphane, Periplaneta americana peptide, and resveratrol can mitigate the functional damage caused by oxidative stress on granulosa cells. This paper reviews some of the mechanisms involved in oxidative stress in granulosa cells and describes the mechanisms underlying the pharmacological treatment of oxidative stress in granulosa cells.
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Affiliation(s)
- Siheng Liu
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Yunbing Jia
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Shirui Meng
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Yiran Luo
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Qi Yang
- College of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Zezheng Pan
- College of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
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9
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Wade S, Hadj-Moussa H, Storey KB. mRNA m 6 A methylation in wood frog brain is maintained during freezing and anoxia. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART A, ECOLOGICAL AND INTEGRATIVE PHYSIOLOGY 2023; 339:325-334. [PMID: 36703486 DOI: 10.1002/jez.2681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 01/08/2023] [Accepted: 01/10/2023] [Indexed: 01/28/2023]
Abstract
Freeze tolerance is an adaptive strategy that wood frogs (Rana sylvatica) use to survive the subzero temperatures of winter. It is characterized by a variety of metabolic and physiological changes that facilitate successful freezing and anoxia. As both mRNA regulation and posttranslation protein modification have been implicated in freeze tolerance, we hypothesized that posttranslational RNA regulation is also involved in coordinating freeze-thaw cycles and metabolic rate depression. As such, we investigated the most abundant RNA modification, adenosine methylation (N6 -methyladenosine; m6 A) in wood frog brains during 24 h periods of freezing and anoxia. This was followed by an examination of levels of RNA methyltransferases, demethyltransferases, and the readers of RNA methylation. Despite relative levels of methylation on mRNA remaining constant throughout freezing and anoxia, a significant increase in relative abundance of m6 A methyltransferases METTL3 and METTL14 was observed. In addition, we investigated the effect of m6 A RNA methylation on mRNA triaging to stress granules and report a significant increase in stress granule markers TIAR and TIA-1 in both freezing and anoxia. Our findings are the first report of RNA posttranslational regulation during metabolic rate depression in the wood frog brain and suggest that the dynamic RNA methylation observed is not directly linked to mRNA regulation during periods of extreme metabolic reorganization, warranting future investigations.
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Affiliation(s)
- Steven Wade
- Department of Biology, Institute of Biochemistry, Carleton University, Ottawa, Ontario, Canada.,Department of Biochemistry, Immunology and Microbiology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Hanane Hadj-Moussa
- Department of Biology, Institute of Biochemistry, Carleton University, Ottawa, Ontario, Canada.,Epigenetics Programme, Babraham Institute, Cambridge, UK
| | - Kenneth B Storey
- Department of Biology, Institute of Biochemistry, Carleton University, Ottawa, Ontario, Canada
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10
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Tiberi J, Cesarini V, Stefanelli R, Canterini S, Fiorenza MT, Rosa PL. Sex differences in antioxidant defence and the regulation of redox homeostasis in physiology and pathology. Mech Ageing Dev 2023; 211:111802. [PMID: 36958540 DOI: 10.1016/j.mad.2023.111802] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 03/25/2023]
Abstract
Reactive oxygen species (ROS) is a term that defines a group of unstable compounds derived from exogenous sources or endogenous metabolism. Under physiological conditions, low levels of ROS play a key role in the regulation of signal transduction- or transcription-mediated cellular responses. In contrast, excessive and uncontrolled loading of ROS results in a pathological state known as oxidative stress (OS), a leading contributor to aging and a pivotal factor for the onset and progression of many disorders. Evolution has endowed cells with an antioxidant system involved in stabilizing ROS levels to a specific threshold, preserving ROS-induced signalling function and limiting negative side effects. In mammals, a great deal of evidence indicates that females defence against ROS is more proficient than males, determining a longer lifespan and lower incidence of most chronic diseases. In this review, we will summarize the most recent sex-related differences in the regulation of redox homeostasis. We will highlight the peculiar aspects of the antioxidant defence in sex-biased diseases whose onset or progression is driven by OS, and we will discuss the molecular, genetic, and evolutionary determinants of female proficiency to cope with ROS.
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Affiliation(s)
- Jessica Tiberi
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; PhD program in Behavioral Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Valeriana Cesarini
- Department of Biomedicine Institute of Translational Pharmacology (IFT), National Research Council (CNR), Rome, Italy
| | - Roberta Stefanelli
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy
| | - Sonia Canterini
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; European Center for Brain Research, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Maria Teresa Fiorenza
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; European Center for Brain Research, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Piergiorgio La Rosa
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; European Center for Brain Research, IRCCS Fondazione Santa Lucia, Rome, Italy.
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11
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Lipoprotein Metabolism, Protein Aggregation, and Alzheimer's Disease: A Literature Review. Int J Mol Sci 2023; 24:ijms24032944. [PMID: 36769268 PMCID: PMC9918279 DOI: 10.3390/ijms24032944] [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: 12/31/2022] [Revised: 01/28/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia. The physiopathology of AD is well described by the presence of two neuropathological features: amyloid plaques and tau neurofibrillary tangles. In the last decade, neuroinflammation and cellular stress have gained importance as key factors in the development and pathology of AD. Chronic cellular stress occurs in degenerating neurons. Stress Granules (SGs) are nonmembranous organelles formed as a response to stress, with a protective role; however, SGs have been noted to turn into pathological and neurotoxic features when stress is chronic, and they are related to an increased tau aggregation. On the other hand, correct lipid metabolism is essential to good function of the brain; apolipoproteins are highly associated with risk of AD, and impaired cholesterol efflux and lipid transport are associated with an increased risk of AD. In this review, we provide an insight into the relationship between cellular stress, SGs, protein aggregation, and lipid metabolism in AD.
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12
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Zhang Y, Cheng L, Liu Y, Zhan S, Wu Z, Luo S, Zhang X. Dietary flavonoids: a novel strategy for the amelioration of cognitive impairment through intestinal microbiota. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:488-495. [PMID: 35892267 DOI: 10.1002/jsfa.12151] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/23/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
The chances of people suffering from cognitive impairments increase gradually with age. Diet and lifestyle are closely related to the occurrence and development of cognitive function. Dietary flavonoid supplementation has been shown to be one of the protective factors against cognitive decline. Flavonoids belong to a class of polyphenols that have been proposed for the treatment of cognitive decline. Recent evidence has shown that intestinal flora in the human body can interact with flavonoids. Intestinal microbiota can modify the chemical structure of flavonoids, producing new metabolites, the pharmacological activities of which may be different from those of the parent; meanwhile, flavonoids and their metabolites can, in turn, regulate the composition and structure of intestinal flora. Notably, intestinal flora affect host nervous system activity through the gut-brain axis, ultimately causing changes in cognitive function. This review therefore summarizes the interaction of dietary flavonoids and intestinal flora, and their protective effect against cognitive decline through the gut-brain axis, indicating that dietary flavonoids may ameliorate cognitive impairment through their interaction with intestinal microbiota. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Yuting Zhang
- Department of Food Science and Engineering, Ningbo University, Ningbo, People's Republic of China
| | - Lu Cheng
- Department of Food Science, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Yanan Liu
- Department of Food Science and Engineering, Ningbo University, Ningbo, People's Republic of China
| | - Shengnan Zhan
- Department of Food Science and Engineering, Ningbo University, Ningbo, People's Republic of China
| | - Zufang Wu
- Department of Food Science and Engineering, Ningbo University, Ningbo, People's Republic of China
| | - Songmei Luo
- Department of Pharmacy, Lishui Central Hospital, Lishui, People's Republic of China
| | - Xin Zhang
- Department of Food Science and Engineering, Ningbo University, Ningbo, People's Republic of China
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13
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Guan Y, Wang Y, Fu X, Bai G, Li X, Mao J, Yan Y, Hu L. Multiple functions of stress granules in viral infection at a glance. Front Microbiol 2023; 14:1138864. [PMID: 36937261 PMCID: PMC10014870 DOI: 10.3389/fmicb.2023.1138864] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 02/08/2023] [Indexed: 03/05/2023] Open
Abstract
Stress granules (SGs) are distinct RNA granules induced by various stresses, which are evolutionarily conserved across species. In general, SGs act as a conservative and essential self-protection mechanism during stress responses. Viruses have a long evolutionary history and viral infections can trigger a series of cellular stress responses, which may interact with SG formation. Targeting SGs is believed as one of the critical and conservative measures for viruses to tackle the inhibition of host cells. In this systematic review, we have summarized the role of SGs in viral infection and categorized their relationships into three tables, with a particular focus on Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection. Moreover, we have outlined several kinds of drugs targeting SGs according to different pathways, most of which are potentially effective against SARS-CoV-2. We believe this review would offer a new view for the researchers and clinicians to attempt to develop more efficacious treatments for virus infection, particularly for the treatment of SARS-CoV-2 infection.
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Affiliation(s)
- Yuelin Guan
- The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Yan Wang
- The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Xudong Fu
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Guannan Bai
- The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Xue Li
- Department of Big Data in Health Science School of Public Health and The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jianhua Mao
- The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Yongbin Yan
- State Key Laboratory of Membrane Biology, School of Life Sciences, Tsinghua University, Beijing, China
- *Correspondence: Yongbin Yan,
| | - Lidan Hu
- The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
- Lidan Hu,
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14
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PARP1 Activation Controls Stress Granule Assembly after Oxidative Stress and DNA Damage. Cells 2022; 11:cells11233932. [PMID: 36497190 PMCID: PMC9740212 DOI: 10.3390/cells11233932] [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: 10/28/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
DNA damage causes PARP1 activation in the nucleus to set up the machinery responsible for the DNA damage response. Here, we report that, in contrast to cytoplasmic PARPs, the synthesis of poly(ADP-ribose) by PARP1 opposes the formation of cytoplasmic mRNA-rich granules after arsenite exposure by reducing polysome dissociation. However, when mRNA-rich granules are pre-formed, whether in the cytoplasm or nucleus, PARP1 activation positively regulates their assembly, though without additional recruitment of poly(ADP-ribose) in stress granules. In addition, PARP1 promotes the formation of TDP-43- and FUS-rich granules in the cytoplasm, two RNA-binding proteins which form neuronal cytoplasmic inclusions observed in certain neurodegenerative diseases such as amyotrophic lateral sclerosis and frontotemporal lobar degeneration. Together, the results therefore reveal a dual role of PARP1 activation which, on the one hand, prevents the early stage of stress granule assembly and, on the other hand, enables the persistence of cytoplasmic mRNA-rich granules in cells which may be detrimental in aging neurons.
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15
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Sohn AL, Ping L, Glass JD, Seyfried NT, Hector EC, Muddiman DC. Interrogating the Metabolomic Profile of Amyotrophic Lateral Sclerosis in the Post-Mortem Human Brain by Infrared Matrix-Assisted Laser Desorption Electrospray Ionization (IR-MALDESI) Mass Spectrometry Imaging (MSI). Metabolites 2022; 12:1096. [PMID: 36355179 PMCID: PMC9696666 DOI: 10.3390/metabo12111096] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/26/2022] [Accepted: 11/07/2022] [Indexed: 01/03/2024] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is an idiopathic, fatal neurodegenerative disease characterized by progressive loss of motor function with an average survival time of 2-5 years after diagnosis. Due to the lack of signature biomarkers and heterogenous disease phenotypes, a definitive diagnosis of ALS can be challenging. Comprehensive investigation of this disease is imperative to discovering unique features to expedite the diagnostic process and improve diagnostic accuracy. Here, we present untargeted metabolomics by mass spectrometry imaging (MSI) for comparing sporadic ALS (sALS) and C9orf72 positive (C9Pos) post-mortem frontal cortex human brain tissues against a control cohort. The spatial distribution and relative abundance of metabolites were measured by infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI) MSI for association to biological pathways. Proteomic studies on the same patients were completed via LC-MS/MS in a previous study, and results were integrated with imaging metabolomics results to enhance the breadth of molecular coverage. Utilizing METASPACE annotation platform and MSiPeakfinder, nearly 300 metabolites were identified across the sixteen samples, where 25 were identified as dysregulated between disease cohorts. The dysregulated metabolites were further examined for their relevance to alanine, aspartate, and glutamate metabolism, glutathione metabolism, and arginine and proline metabolism. The dysregulated pathways discussed are consistent with reports from other ALS studies. To our knowledge, this work is the first of its kind, reporting on the investigation of ALS post-mortem human brain tissue analyzed by multiomic MSI.
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Affiliation(s)
- Alexandria L. Sohn
- FTMS Laboratory for Human Health Research, Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA
| | - Lingyan Ping
- Goizueta Alzheimer’s Disease Research Center, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jonathan D. Glass
- Department of Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Nicholas T. Seyfried
- Goizueta Alzheimer’s Disease Research Center, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Emily C. Hector
- Department of Statistics, North Carolina State University, Raleigh, NC 27695, USA
| | - David C. Muddiman
- FTMS Laboratory for Human Health Research, Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA
- Molecular Education, Technology and Research Innovation Center (METRIC), North Carolina State University, Raleigh, NC 27695, USA
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16
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Alharbi KS, Javed Shaikh MA, Afzal O, Alfawaz Altamimi AS, Hassan almalki W, Kazmi I, Al-Abbasi FA, Alzarea SI, Babu MR, Singh SK, Chellappan DK, Dua K, Gupta G. Oligonucleotides: A novel area of interest for drug delivery in neurodegenerative diseases. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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17
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Marcolongo-Pereira C, Castro FCDAQ, Barcelos RM, Chiepe KCMB, Rossoni Junior JV, Ambrosio RP, Chiarelli-Neto O, Pesarico AP. Neurobiological mechanisms of mood disorders: Stress vulnerability and resilience. Front Behav Neurosci 2022; 16:1006836. [PMID: 36386785 PMCID: PMC9650072 DOI: 10.3389/fnbeh.2022.1006836] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/06/2022] [Indexed: 09/05/2023] Open
Abstract
Stress is an important factor in the development of several human pathologies. The response of rodents and humans to stress depends on many factors; some people and rodents develop stress-related mood disorders, such as depression and anxiety in humans, depression-like and anxiety-like behavior in mice and rats, while others report no new psychological symptoms in response to chronic or acute stress, and are considered susceptible and resilient to stress, respectively. Resilience is defined as the ability to thrive in the face of adversity and is a learned process that can help protect against occupational stressors and mental illnesses. There is growing interest in the underlying mechanisms involved in resilience and vulnerability to depression caused by stress, and some studies have demonstrated that individual variability in the way animals and humans respond to stress depends on several mechanisms, such as oxidative stress, neuronal plasticity, immunology and genetic factors, among others not discussed in this review, this review provides a general overview about this mechanism.
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Affiliation(s)
- Clairton Marcolongo-Pereira
- Coordenadoria de Pesquisa, Pós-Graduação e Extensão (CEPEG), Centro Universitário do Espírito Santo (UNESC), Colatina, Brazil
| | | | - Rafael Mazioli Barcelos
- Coordenadoria de Pesquisa, Pós-Graduação e Extensão (CEPEG), Centro Universitário do Espírito Santo (UNESC), Colatina, Brazil
| | | | - Joamyr Victor Rossoni Junior
- Coordenadoria de Pesquisa, Pós-Graduação e Extensão (CEPEG), Centro Universitário do Espírito Santo (UNESC), Colatina, Brazil
| | - Roberta Passamani Ambrosio
- Coordenadoria de Pesquisa, Pós-Graduação e Extensão (CEPEG), Centro Universitário do Espírito Santo (UNESC), Colatina, Brazil
| | - Orlando Chiarelli-Neto
- Coordenadoria de Pesquisa, Pós-Graduação e Extensão (CEPEG), Centro Universitário do Espírito Santo (UNESC), Colatina, Brazil
| | - Ana Paula Pesarico
- Curso de Medicina, Universidade Federal do Pampa (Unipampa), Bagé, Brazil
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18
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Londoño Vélez V, Alquraish F, Tarbiyyah I, Rafique F, Mao D, Chodasiewicz M. Landscape of biomolecular condensates in heat stress responses. FRONTIERS IN PLANT SCIENCE 2022; 13:1032045. [PMID: 36311142 PMCID: PMC9601738 DOI: 10.3389/fpls.2022.1032045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 09/21/2022] [Indexed: 06/06/2023]
Abstract
High temperature is one of the abiotic stresses that plants face and acts as a major constraint on crop production and food security. Plants have evolved several mechanisms to overcome challenging environments and respond to internal and external stimuli. One significant mechanism is the formation of biomolecular condensates driven by liquid-liquid phase separation. Biomolecular condensates have received much attention in the past decade, especially with regard to how plants perceive temperature fluctuations and their involvement in stress response and tolerance. In this review, we compile and discuss examples of plant biomolecular condensates regarding their composition, localization, and functions triggered by exposure to heat. Bioinformatic tools can be exploited to predict heat-induced biomolecular condensates. As the field of biomolecular condensates has emerged in the study of plants, many intriguing questions have arisen that have yet to be solved. Increased knowledge of biomolecular condensates will help in securing crop production and overcoming limitations caused by heat stress.
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19
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Ahmed RO, Ali A, Al-Tobasei R, Leeds T, Kenney B, Salem M. Weighted Single-Step GWAS Identifies Genes Influencing Fillet Color in Rainbow Trout. Genes (Basel) 2022; 13:genes13081331. [PMID: 35893068 PMCID: PMC9332390 DOI: 10.3390/genes13081331] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 02/04/2023] Open
Abstract
The visual appearance of the fish fillet is a significant determinant of consumers' purchase decisions. Depending on the rainbow trout diet, a uniform bright white or reddish/pink fillet color is desirable. Factors affecting fillet color are complex, ranging from the ability of live fish to accumulate carotenoids in the muscle to preharvest environmental conditions, early postmortem muscle metabolism, and storage conditions. Identifying genetic markers of fillet color is a desirable goal but a challenging task for the aquaculture industry. This study used weighted, single-step GWAS to explore the genetic basis of fillet color variation in rainbow trout. We identified several SNP windows explaining up to 3.5%, 2.5%, and 1.6% of the additive genetic variance for fillet redness, yellowness, and whiteness, respectively. SNPs are located within genes implicated in carotenoid metabolism (β,β-carotene 15,15'-dioxygenase, retinol dehydrogenase) and myoglobin homeostasis (ATP synthase subunit β, mitochondrial (ATP5F1B)). These genes are involved in processes that influence muscle pigmentation and postmortem flesh coloration. Other identified genes are involved in the maintenance of muscle structural integrity (kelch protein 41b (klh41b), collagen α-1(XXVIII) chain (COL28A1), and cathepsin K (CTSK)) and protection against lipid oxidation (peroxiredoxin, superoxide dismutase 2 (SOD2), sestrin-1, Ubiquitin carboxyl-terminal hydrolase-10 (USP10)). A-to-G single-nucleotide polymorphism in β,β-carotene 15,15'-dioxygenase, and USP10 result in isoleucine-to-valine and proline-to-leucine non-synonymous amino acid substitutions, respectively. Our observation confirms that fillet color is a complex trait regulated by many genes involved in carotenoid metabolism, myoglobin homeostasis, protection against lipid oxidation, and maintenance of muscle structural integrity. The significant SNPs identified in this study could be prioritized via genomic selection in breeding programs to improve fillet color in rainbow trout.
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Affiliation(s)
- Ridwan O. Ahmed
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD 20742, USA; (R.O.A.); (A.A.)
| | - Ali Ali
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD 20742, USA; (R.O.A.); (A.A.)
| | - Rafet Al-Tobasei
- Computational Science Program, Middle Tennessee State University, Murfreesboro, TN 37132, USA;
| | - Tim Leeds
- United States Department of Agriculture Kearneysville, National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, Kearneysville, WV 25430, USA;
| | - Brett Kenney
- Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, WV 26506, USA;
| | - Mohamed Salem
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD 20742, USA; (R.O.A.); (A.A.)
- Correspondence:
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20
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Sun M, Wu S, Kang S, Liao J, Zhang L, Xu Z, Chen H, Xu L, Zhang X, Qin Q, Wei J. Critical Roles of G3BP1 in Red-Spotted Grouper Nervous Necrosis Virus-Induced Stress Granule Formation and Viral Replication in Orange-Spotted Grouper (Epinephelus coioides). Front Immunol 2022; 13:931534. [PMID: 35935992 PMCID: PMC9354888 DOI: 10.3389/fimmu.2022.931534] [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: 04/29/2022] [Accepted: 06/22/2022] [Indexed: 11/13/2022] Open
Abstract
Viral infection causes changes in the internal environment of host cells, and a series of stress responses are generated to respond to these changes and help the cell survive. Stress granule (SG) formation is a type of cellular stress response that inhibits viral replication. However, the relationship between red-spotted grouper nervous necrosis virus (RGNNV) infection and SGs, and the roles of the SG marker protein RAS GTPase-activating protein (SH3 domain)-binding protein 1 (G3BP1) in viral infection remain unclear. In this study, RGNNV infection induced grouper spleen (GS) cells to produce SGs. The SGs particles co-located with the classic SG marker protein eIF3η, and some SGs depolymerized under treatment with the translation inhibitor, cycloheximide (CHX). In addition, when the four kinases of the eukaryotic translation initiation factor 2α (eIF2α)-dependent pathway were inhibited, knockdown of HRI and GCN2 with small interfering RNAs and inhibition of PKR with 2-aminopurine had little effect on the formation of SGs, but the PERK inhibitor significantly inhibited the formation of SGs and decreased the phosphorylation of eIF2α. G3BP1 of Epinephelus coioides (named as EcG3BP1) encodes 495 amino acids with a predicted molecular weight of 54.12 kDa and 65.9% homology with humans. Overexpression of EcG3BP1 inhibited the replication of RGNNV in vitro by up-regulating the interferon and inflammatory response, whereas knockdown of EcG3BP1 promoted the replication of RGNNV. These results provide a better understanding of the relationship between SGs and viral infection in fish.
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Affiliation(s)
- Mengshi Sun
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Siting Wu
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Shaozhu Kang
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Jiaming Liao
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Luhao Zhang
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Zhuqing Xu
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Hong Chen
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Linting Xu
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Xin Zhang
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Qiwei Qin
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
- *Correspondence: Jingguang Wei, ; Qiwei Qin,
| | - Jingguang Wei
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- *Correspondence: Jingguang Wei, ; Qiwei Qin,
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21
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Zhou X, Fang G, Zhang L. Optimization of murine retinal mitochondrial injury model. MethodsX 2022; 9:101701. [PMID: 35492209 PMCID: PMC9046943 DOI: 10.1016/j.mex.2022.101701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/08/2022] [Indexed: 11/30/2022] Open
Abstract
The retinal mitochondrial injury model in rat has been developed using the mitochondrial oxidative phosphorylation uncoupler, carbonylcyanide m-chlorophenyl hydrazine (CCCP). However, the CCCP-induced murine retinal mitochondrial injury model has not been reported. Here, the optimized conditions for the murine retinal mitochondrial injury model were established by intravitreal injection of different doses of CCCP (0, 2.5, 5, 7.5, 10, 12.5, 15 μg). Indeed, it has been reported that CCCP induces Opa1 cleavage and phosphorylation of ERK in cultured cells and rat retinas. Thus, we measured phosphorylated (p) -Erk and L/S-Opa1 following CCCP-induced retinal injury. Meanwhile, KW6002 (A2A receptor antagonist) pretreatment inhibited retinal injury induced by CCCP at 10 and 15 μg doses differently. Intravitreal injection of 10 μg doses of CCCP can induce apoptosis of retinal ganglion cells and decrease of retinal thickness, but intravitreal injection of 15 μg doses of CCCP is the appropriate dose to study the protective effect of A2A receptor. (1) Dose dependent effects of intravitreal injection of CCCP on the levels of L/S-Opa1 and p-Erk; (2) A2A receptor antagonist (KW6002) only inhibited the apoptosis of ganglion cells, but did not affect the thickness of retina with 10µg dosage of CCCP intravitreal injection; (3) A2A receptor antagonist (KW6002) inhibited the apoptosis of ganglion cells and increased the thickness of retina with 15µg dosage of CCCP intravitreal injection.
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22
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Wu K, Vedelaar TA, Damle VG, Morita A, Mougnaud J, San Martin CR, Zhang Y, van der Pol DP, Ende-Metselaar H, Zybert IR, Schirhagl R. Applying NV center-based quantum sensing to study intracellular free radical response upon viral infections. Redox Biol 2022; 52:102279. [PMID: 35349928 PMCID: PMC8965164 DOI: 10.1016/j.redox.2022.102279] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 02/08/2023] Open
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23
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Nolan LS, Chen J, Gonçalves AC, Bullen A, Towers ER, Steel KP, Dawson SJ, Gale JE. Targeted deletion of the RNA-binding protein Caprin1 leads to progressive hearing loss and impairs recovery from noise exposure in mice. Sci Rep 2022; 12:2444. [PMID: 35165318 PMCID: PMC8844073 DOI: 10.1038/s41598-022-05657-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 01/12/2022] [Indexed: 11/25/2022] Open
Abstract
Cell cycle associated protein 1 (Caprin1) is an RNA-binding protein that can regulate the cellular post-transcriptional response to stress. It is a component of both stress granules and neuronal RNA granules and is implicated in neurodegenerative disease, synaptic plasticity and long-term memory formation. Our previous work suggested that Caprin1 also plays a role in the response of the cochlea to stress. Here, targeted inner ear-deletion of Caprin1 in mice leads to an early onset, progressive hearing loss. Auditory brainstem responses from Caprin1-deficient mice show reduced thresholds, with a significant reduction in wave-I amplitudes compared to wildtype. Whilst hair cell structure and numbers were normal, the inner hair cell-spiral ganglion neuron (IHC-SGN) synapse revealed abnormally large post-synaptic GluA2 receptor puncta, a defect consistent with the observed wave-I reduction. Unlike wildtype mice, mild-noise-induced hearing threshold shifts in Caprin1-deficient mice did not recover. Oxidative stress triggered TIA-1/HuR-positive stress granule formation in ex-vivo cochlear explants from Caprin1-deficient mice, showing that stress granules could still be induced. Taken together, these findings suggest that Caprin1 plays a key role in maintenance of auditory function, where it regulates the normal status of the IHC-SGN synapse.
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Affiliation(s)
- Lisa S Nolan
- UCL Ear Institute, 332 Gray's Inn Road, London, WC1X 8EE, UK
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, SE1 1UL, UK
| | - Jing Chen
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, SE1 1UL, UK
| | | | - Anwen Bullen
- UCL Ear Institute, 332 Gray's Inn Road, London, WC1X 8EE, UK
| | - Emily R Towers
- UCL Ear Institute, 332 Gray's Inn Road, London, WC1X 8EE, UK
| | - Karen P Steel
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, SE1 1UL, UK
| | - Sally J Dawson
- UCL Ear Institute, 332 Gray's Inn Road, London, WC1X 8EE, UK.
| | - Jonathan E Gale
- UCL Ear Institute, 332 Gray's Inn Road, London, WC1X 8EE, UK.
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24
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Li W, Jiang C, Zhang E. Advances in the phase separation-organized membraneless organelles in cells: a narrative review. Transl Cancer Res 2022; 10:4929-4946. [PMID: 35116344 PMCID: PMC8797891 DOI: 10.21037/tcr-21-1111] [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: 06/28/2021] [Accepted: 10/29/2021] [Indexed: 11/26/2022]
Abstract
Membraneless organelles (MLOs) are micro-compartments that lack delimiting membranes, concentrating several macro-molecules with a high local concentration in eukaryotic cells. Recent studies have shown that MLOs have pivotal roles in multiple biological processes, including gene transcription, RNA metabolism, translation, protein modification, and signal transduction. These biological processes in cells have essential functions in many diseases, such as cancer, neurodegenerative diseases, and virus-related diseases. The liquid-liquid phase separation (LLPS) microenvironment within cells is thought to be the driving force for initiating the formation of micro-compartments with a liquid-like property, becoming an important organizing principle for MLOs to mediate organism responses. In this review, we comprehensively elucidated the formation of these MLOs and the relationship between biological functions and associated diseases. The mechanisms underlying the influence of protein concentration and valency on phase separation in cells are also discussed. MLOs undergoing the LLPS process have diverse functions, including stimulation of some adaptive and reversible responses to alter the transcriptional or translational processes, regulation of the concentrations of biomolecules in living cells, and maintenance of cell morphogenesis. Finally, we highlight that the development of this field could pave the way for developing novel therapeutic strategies for the treatment of LLPS-related diseases based on the understanding of phase separation in the coming years.
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Affiliation(s)
- Weihan Li
- Department of Immunology, School of Medicine, Nantong University, Nantong, China
| | - Chenwei Jiang
- Department of Immunology, School of Medicine, Nantong University, Nantong, China
| | - Erhao Zhang
- Department of Immunology, School of Medicine, Nantong University, Nantong, China.,Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, China
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25
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PKD-dependent PARP12-catalyzed mono-ADP-ribosylation of Golgin-97 is required for E-cadherin transport from Golgi to plasma membrane. Proc Natl Acad Sci U S A 2022; 119:2026494119. [PMID: 34969853 PMCID: PMC8740581 DOI: 10.1073/pnas.2026494119] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/15/2021] [Indexed: 11/18/2022] Open
Abstract
Adenosine diphosphate (ADP)-ribosylation is a posttranslational modification involved in key regulatory events catalyzed by ADP-ribosyltransferases (ARTs). Substrate identification and localization of the mono-ADP-ribosyltransferase PARP12 at the trans-Golgi network (TGN) hinted at the involvement of ARTs in intracellular traffic. We find that Golgin-97, a TGN protein required for the formation and transport of a specific class of basolateral cargoes (e.g., E-cadherin and vesicular stomatitis virus G protein [VSVG]), is a PARP12 substrate. PARP12 targets an acidic cluster in the Golgin-97 coiled-coil domain essential for function. Its mutation or PARP12 depletion, delays E-cadherin and VSVG export and leads to a defect in carrier fission, hence in transport, with consequent accumulation of cargoes in a trans-Golgi/Rab11-positive intermediate compartment. In contrast, PARP12 does not control the Golgin-245-dependent traffic of cargoes such as tumor necrosis factor alpha (TNFα). Thus, the transport of different basolateral proteins to the plasma membrane is differentially regulated by Golgin-97 mono-ADP-ribosylation by PARP12. This identifies a selective regulatory mechanism acting on the transport of Golgin-97- vs. Golgin-245-dependent cargoes. Of note, PARP12 enzymatic activity, and consequently Golgin-97 mono-ADP-ribosylation, depends on the activation of protein kinase D (PKD) at the TGN during traffic. PARP12 is directly phosphorylated by PKD, and this is essential to stimulate PARP12 catalytic activity. PARP12 is therefore a component of the PKD-driven regulatory cascade that selectively controls a major branch of the basolateral transport pathway. We propose that through this mechanism, PARP12 contributes to the maintenance of E-cadherin-mediated cell polarity and cell-cell junctions.
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Choi S, Choi S, Choi Y, Cho N, Kim SY, Lee CH, Park HJ, Oh WK, Kim KK, Kim EM. Polyhexamethylene guanidine phosphate increases stress granule formation in human 3D lung organoids under respiratory syncytial virus infection. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 229:113094. [PMID: 34942421 DOI: 10.1016/j.ecoenv.2021.113094] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
Polyhexamethylene guanidine phosphate (PHMG-p), a humidifier disinfectant, is known to cause lung toxicity, including inflammation and pulmonary fibrosis. In this study, we aimed to investigate the effect of PHMG-p on human lung tissue models (2D epithelial cells and 3D organoids) under conditions of oxidative stress and viral infection. The effect of PHMG-p was studied by evaluating the formation of stress granules (SGs), which play a pivotal role in cellular adaptation to various stress conditions. Under oxidative stress and respiratory syncytial virus (RSV) infection, exposure to PHMG-p remarkably increased eIF2α phosphorylation, which is essential for SG-related signalling, and significantly increased SG formation. Furthermore, PHMG-p induced fibrotic gene expression and caused cell death due to severe DNA damage, which was further increased under oxidative stress and RSV infection, indicating that PHMG-p induces severe lung toxicity under stress conditions. Taken together, toxicity evaluation under various stressful conditions is necessary to accurately predict potential lung toxicity of chemicals affecting the respiratory tract.
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Affiliation(s)
- Seri Choi
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, South Korea; Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, South Korea
| | - Sunkyung Choi
- Department of Biochemistry, Chungnam National University, Daejeon 34134, South Korea
| | - Yeongsoo Choi
- Department of Biochemistry, Chungnam National University, Daejeon 34134, South Korea
| | - Namjoon Cho
- Department of Biochemistry, Chungnam National University, Daejeon 34134, South Korea
| | - Seung-Yeon Kim
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, South Korea; Department of Biochemistry, Chungnam National University, Daejeon 34134, South Korea
| | - Chang Hyun Lee
- Institute of Radiation Medicine, Seoul National University Hospital and College of Medicine, Seoul National University, Seoul 08826, South Korea; Department of Radiology, Seoul National University College of Medicine and Hospital, Seoul National University, Seoul 03080, South Korea
| | - Han-Jin Park
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, South Korea
| | - Won Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, South Korea
| | - Kee K Kim
- Department of Biochemistry, Chungnam National University, Daejeon 34134, South Korea.
| | - Eun-Mi Kim
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34114, South Korea.
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27
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Osman EE, Mohamed AS, Elkhateeb A, Gobouri A, Abdel-Aziz MM, Abdel-Hameed ESS. Phytochemical investigations, antioxidant, cytotoxic, antidiabetic and antibiofilm activities of Kalanchoe laxiflora flowers. Eur J Integr Med 2022. [DOI: 10.1016/j.eujim.2021.102085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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28
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Naseri A, Forghani N, Sadigh-Eteghad S, Shanehbandi D, Asadi M, Nasiri E, Talebi M. Circulatory antioxidant and oxidative stress markers are in correlation with demographics but not cognitive functions in multiple sclerosis patients. Mult Scler Relat Disord 2021; 57:103432. [PMID: 34922253 DOI: 10.1016/j.msard.2021.103432] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/31/2021] [Accepted: 11/27/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND Multiple sclerosis (MS) is the most common non-traumatic cause of disability in younger adults. MS can be presented with a wide range of symptoms such as cognitive impairment (CI). Oxidative stress (OXS) is a major basis of the pathogenesis of MS. There is a positive correlation between OXS factors and the progression of the disease in MS patients. There are limited studies regarding the role of OXS in MS-related CI. In this study, as an exploratory analysis, we assess the role of endogenous antioxidants and OXS factors in cognitive function, the severity of disability due to MS, and demographic findings in a sample of MS patients. METHODS Adult (>18 years old) patients with a definite diagnosis of MS based on 2017 revised MacDonald criteria were included in this study. The neurophysiological assessment was conducted, using the validated Persian version of minimal assessment of cognitive function in multiple sclerosis (MACFIMS) battery, which is composed of seven different tests. Based on the structure of the battery, CI was defined as a failure in at least two different components of the MACFIMS battery. The patients were separated into two groups of CI and non-CI. Examined antioxidant factors included catalase Activity (CAT), Glutathione Peroxidase 1 (GPX1), Glutathione Peroxidase 2 (GPX2), Reduced Glutathione (GSH), Superoxide Dismutase (SOD), and serum total antioxidant capacity (TAC). Malondialdehyde (MDA) was also measured as an OXS marker. RESULTS 71 patients were involved in this study. The type of MS was relapsing-remitting MS (RRMS) in 80.28% of the participants. Disease duration (P<0.01), type of MS (p<0.01), and EDSS score (p<0.01) were different between CI and non-CI groups, but there were not any significant differences in CAT (p = 0.80), GPX1 (p = 0.71), GPX2 (p = 0.41), GSH (p = 0.96), TAC (p = 0.13), SOD (p = 0.37), and MDA (p = 0.82). A significant difference between RRMS and progressive MS (PMS) patients in the levels of GPX1 (p = 0.01), GPX2 (p = 0.01), and SOD (p = 0.01) was observed. Also, we found higher circulatory levels of CAT (p = 0.02) and TAC (p<0.01) in male MS patients. We found significant correlations between aging and CAT (R = 0.28; p = 0.01), GPX1 (R = 0.36; p<0.01), GPX2 (R = 0.34; p<0.01), and SOD (R = 0.40; p<0.01). EDSS, the duration of the disease, relapse rate, and the number of impaired cognitive tasks were not correlated with any of investigated OXS or antioxidant factors (p>0.05). In terms of a detailed investigation of associations between MACFIMS battery components and levels of OXS and antioxidant factors, there were no significant relations in this regard (p>0.05). Based on the logistic regression multivariate analysis, only disease duration (p = 0.03) and GPX1 (p = 0.01) were independently associated with CI in MS patients in our sample. CONCLUSION The circulatory levels of GPX1, GPX2, and SOD are significantly different between RRMS and PMS patients. Neither endogenous antioxidants nor MDA, as an OXS biomarker, are associated with the cognitive function or level of physical disability in MS patients. Limitations of this study suggest a need for future studies in a larger sample of MS patients.
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Affiliation(s)
- Amirreza Naseri
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Nasrin Forghani
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Sadigh-Eteghad
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Milad Asadi
- Department of Basic Oncology, Health Institute of Ege University, Izmir, Turkey
| | - Ehsan Nasiri
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahnaz Talebi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran.
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29
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Qifti A, Jackson L, Singla A, Garwain O, Scarlata S. Stimulation of phospholipase Cβ1 by Gα q promotes the assembly of stress granule proteins. Sci Signal 2021; 14:eaav1012. [PMID: 34665639 DOI: 10.1126/scisignal.aav1012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
[Figure: see text].
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Affiliation(s)
- Androniqi Qifti
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Lela Jackson
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Ashima Singla
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Osama Garwain
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Suzanne Scarlata
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA 01609, USA
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30
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Chen L, Zhou YP, Liu HY, Gu JH, Zhou XF, Yue-Qin Z. Long-term oral administration of hyperoside ameliorates AD-related neuropathology and improves cognitive impairment in APP/PS1 transgenic mice. Neurochem Int 2021; 151:105196. [PMID: 34601013 DOI: 10.1016/j.neuint.2021.105196] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 09/23/2021] [Accepted: 09/25/2021] [Indexed: 11/25/2022]
Abstract
Alzheimer's disease (AD) is a highly prevalent neurodegenerative disorder characterized by the pathological hallmarks of β-amyloid plaque deposits, tau pathology, inflammation, and cognitive decline. Hyperoside, a flavone glycoside isolated from Rhododendron brachycarpum G. Don (Ericaceae), has neuroprotective effects against Aβ both in vitro and in vivo. However, whether hyperoside could delay AD pathogenesis remains unclear. In the present study, we observed if chronic treatment with hyperoside can reverse pathological progressions of AD in the APP/PS1 transgenic mouse model. Meanwhile, we attempted to elucidate the molecular mechanisms involved in regulating its effects. After 9 months of treatment, we found that hyperoside can improve spatial learning and memory in APP/PS1 transgenic mice, reduce amyloid plaque deposition and tau phosphorylation, decrease the number of activated microglia and astrocytes, and attenuate neuroinflammation and oxidative stress in the brain of APP/PS1 mice. These beneficial effects may be mediated in part by influencing reduction of BACE1 and GSK3β levels. Hyperoside confers neuroprotection against the pathology of AD in APP/PS1 mouse model and is emerging as a promising therapeutic candidate drug for AD.
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Affiliation(s)
- Liang Chen
- Yunnan Key Laboratory of Stem Cells and Regenerative Medicine, Biomedical Engineering Research Center, Kunming Medical University, Kunming, China
| | - Yi-Ping Zhou
- School of Pharmaceutical Sciences & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, China
| | - Hua-Yi Liu
- Yunnan Key Laboratory of Stem Cells and Regenerative Medicine, Biomedical Engineering Research Center, Kunming Medical University, Kunming, China
| | - Juan-Hua Gu
- Yunnan Key Laboratory of Stem Cells and Regenerative Medicine, Biomedical Engineering Research Center, Kunming Medical University, Kunming, China
| | - Xin-Fu Zhou
- Yunnan Key Laboratory of Stem Cells and Regenerative Medicine, Biomedical Engineering Research Center, Kunming Medical University, Kunming, China; School of Pharmacy and Medical Sciences, Sansom Institute, University of South Australia, Adelaide, SA, Australia
| | - Zeng Yue-Qin
- Yunnan Key Laboratory of Stem Cells and Regenerative Medicine, Biomedical Engineering Research Center, Kunming Medical University, Kunming, China.
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31
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Snyder NA, Silva GM. Deubiquitinating enzymes (DUBs): Regulation, homeostasis, and oxidative stress response. J Biol Chem 2021; 297:101077. [PMID: 34391779 PMCID: PMC8424594 DOI: 10.1016/j.jbc.2021.101077] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/10/2021] [Accepted: 08/11/2021] [Indexed: 12/17/2022] Open
Abstract
Ubiquitin signaling is a conserved, widespread, and dynamic process in which protein substrates are rapidly modified by ubiquitin to impact protein activity, localization, or stability. To regulate this process, deubiquitinating enzymes (DUBs) counter the signal induced by ubiquitin conjugases and ligases by removing ubiquitin from these substrates. Many DUBs selectively regulate physiological pathways employing conserved mechanisms of ubiquitin bond cleavage. DUB activity is highly regulated in dynamic environments through protein-protein interaction, posttranslational modification, and relocalization. The largest family of DUBs, cysteine proteases, are also sensitive to regulation by oxidative stress, as reactive oxygen species (ROS) directly modify the catalytic cysteine required for their enzymatic activity. Current research has implicated DUB activity in human diseases, including various cancers and neurodegenerative disorders. Due to their selectivity and functional roles, DUBs have become important targets for therapeutic development to treat these conditions. This review will discuss the main classes of DUBs and their regulatory mechanisms with a particular focus on DUB redox regulation and its physiological impact during oxidative stress.
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Affiliation(s)
- Nathan A Snyder
- Department of Biology, Duke University, Durham, North Carolina, USA
| | - Gustavo M Silva
- Department of Biology, Duke University, Durham, North Carolina, USA.
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32
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Chatterjee D, Chakrabarti O. Role of stress granules in modulating senescence and promoting cancer progression: Special emphasis on glioma. Int J Cancer 2021; 150:551-561. [PMID: 34460104 DOI: 10.1002/ijc.33787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/22/2021] [Accepted: 08/24/2021] [Indexed: 12/12/2022]
Abstract
Stress granules (SGs) contain mRNAs and proteins stalled in translation during stress; these are increasingly being implicated in diseases, including neurological disorders and cancer. The dysregulated assembly, persistence, disassembly and clearance of SGs contribute to the process of senescence. Senescence has long been a mysterious player in cellular physiology and associated diseases. The systemic process of aging has been pivotal in the development of various neurological disorders like age-related neuropathy, Alzheimer's disease and Parkinson's disease. Glioma is a cancer of neurological origin with a very poor prognosis and high rate of recurrence, SGs have only recently been implicated in its pathogenesis. Senescence has long been established to play an antitumorigenic role, however, relatively less studied is its protumorigenic importance. Here, we have evaluated the existing literature to assess the crosstalk of the two biological phenomena of senescence and SG formation in the context of tumorigenesis. In this review, we have attempted to analyze the contribution of senescence in regulating diverse cellular processes, like, senescence associated secretory phenotype (SASP), microtubular reorganization, telomeric alteration, autophagic clearance and how intricately these phenomena are tied with the formation of SGs. Finally, we propose that interplay between senescence, its contributing factors and the genesis of SGs can drive tumorigenicity of gliomas, which can potentially be utilized for therapeutic intervention.
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Affiliation(s)
- Debmita Chatterjee
- Biophysics & Structural Genomics Division, Saha Institute of Nuclear Physics, Kolkata, India
| | - Oishee Chakrabarti
- Biophysics & Structural Genomics Division, Saha Institute of Nuclear Physics, Kolkata, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
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33
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Li W, Yu W, Xu W, Xiong J, Zhong X, Hu S, Yu J. Death-associated Protein Kinase 1 Regulates Oxidative Stress In Cardiac Ischemia Reperfusion Injury. Cells Tissues Organs 2021; 210:380-390. [PMID: 34348268 DOI: 10.1159/000518248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 06/23/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Wentong Li
- Cardiovascular and Thoracic Surgery Department 2, The First Affiliated Hospital of Gannan Medical University, Gannan, China
| | - Wenjuan Yu
- Neurological Medical Department 1, The First Affiliated Hospital of Gannan Medical University, Gannan, China
| | - Weichang Xu
- Cardiovascular and Thoracic Surgery Department 2, The First Affiliated Hospital of Gannan Medical University, Gannan, China
| | - Jianxian Xiong
- Cardiovascular and Thoracic Surgery Department 2, The First Affiliated Hospital of Gannan Medical University, Gannan, China
| | - Xuehong Zhong
- Cardiovascular and Thoracic Surgery Department 2, The First Affiliated Hospital of Gannan Medical University, Gannan, China
| | - Shuo Hu
- Cardiovascular and Thoracic Surgery Department 2, The First Affiliated Hospital of Gannan Medical University, Gannan, China
| | - Junjian Yu
- Cardiovascular and Thoracic Surgery Department 2, The First Affiliated Hospital of Gannan Medical University, Gannan, China
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34
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Asadi MR, Sadat Moslehian M, Sabaie H, Jalaiei A, Ghafouri-Fard S, Taheri M, Rezazadeh M. Stress Granules and Neurodegenerative Disorders: A Scoping Review. Front Aging Neurosci 2021; 13:650740. [PMID: 34248597 PMCID: PMC8261063 DOI: 10.3389/fnagi.2021.650740] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 05/17/2021] [Indexed: 12/13/2022] Open
Abstract
Cytoplasmic ribonucleoproteins called stress granules (SGs) are considered as one of the main cellular solutions against stress. Their temporary presence ends with stress relief. Any factor such as chronic stress or mutations in the structure of the components of SGs that lead to their permanent presence can affect their interactions with pathological aggregations and increase the degenerative effects. SGs involved in RNA mechanisms are important factors in the pathophysiology of neurodegenerative disorders such as amyotrophic lateral sclerosis (ALS), frontotemporal degeneration (FTD), and Alzheimer's diseases (AD). Although many studies have been performed in the field of SGs and neurodegenerative disorders, so far, no systematic studies have been executed in this field. The purpose of this study is to provide a comprehensive perspective of all studies about the role of SGs in the pathogenesis of neurodegenerative disorders with a focus on the protein ingredients of these granules. This scoping review is based on a six-stage methodology structure and the PRISMA guideline. A systematic search of seven databases for qualified articles was conducted until December 2020. Publications were screened independently by two reviewers and quantitative and qualitative analysis was performed on the extracted data. Bioinformatics analysis was used to plot the network and predict interprotein interactions. In addition, GO analysis was performed. A total of 48 articles were identified that comply the inclusion criteria. Most studies on neurodegenerative diseases have been conducted on ALS, AD, and FTD using human post mortem tissues. Human derived cell line studies have been used only in ALS. A total 29 genes of protein components of SGs have been studied, the most important of which are TDP-43, TIA-1, PABP-1. Bioinformatics studies have predicted 15 proteins to interact with the protein components of SGs, which may be the constituents of SGs. Understanding the interactions between SGs and pathological aggregations in neurodegenerative diseases can provide new targets for treatment of these disorders.
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Affiliation(s)
- Mohammad Reza Asadi
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Marziyeh Sadat Moslehian
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hani Sabaie
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abbas Jalaiei
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Rezazadeh
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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35
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Ding Q, Chaplin J, Morris MJ, Hilliard MA, Wolvetang E, Ng DCH, Noakes PG. TDP-43 Mutation Affects Stress Granule Dynamics in Differentiated NSC-34 Motoneuron-Like Cells. Front Cell Dev Biol 2021; 9:611601. [PMID: 34169068 PMCID: PMC8217991 DOI: 10.3389/fcell.2021.611601] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 05/10/2021] [Indexed: 12/13/2022] Open
Abstract
Amyotrophic Lateral Sclerosis (ALS) is characterized by degeneration of motor neurons in the brain and spinal cord. Cytoplasmic inclusions of TDP-43 are frequently reported in motor neurons of ALS patients. TDP-43 has also been shown to associate with stress granules (SGs), a complex of proteins and mRNAs formed in response to stress stimuli that temporarily sequester mRNA translation. The effect of pathogenic TDP-43 mutations within glycine-rich regions (where the majority of ALS-causing TDP-43 mutations occur) on SG dynamics in motor neurons is poorly understood. To address this issue, we generated murine NSC-34 cell lines that stably over-express wild type TDP-43 (TDP-43WT) or mutant forms (ALS-causing TDP-43 mutations TDP-43A315T or TDP-43M337V). We then differentiated these NSC-34 lines into motoneuron-like cells and evaluated SG formation and disassembly kinetics in response to oxidative or osmotic stress treatment. Wild type and mutant TDP-43 appeared to be largely retained in the nucleus following exposure to arsenite-induced oxidative stress. Upon arsenite removal, mutant TDP-43 clearly accumulated within HuR positive SGs in the cytoplasm, whereas TDP-43WT remained mostly within the nucleus. 24 h following arsenite removal, all SGs were disassembled in both wild type and mutant TDP-43 expressing cells. By contrast, we observed significant differences in the dynamics of mutant TDP-43 association with SGs in response to hyperosmotic stress. Specifically, in response to sorbitol treatment, TDP-43WT remained in the nucleus, whereas mutant TDP-43 relocalized to HuR positive SGs in the cytoplasm following exposure to sorbitol stress, resulting in a significant increase in TDP-43 SG numbers. These SGs remained assembled for 24 h following removal of sorbitol. Our data reveal that under certain stress conditions the rates of SG formation and disassembly is modulated by TDP-43 mutations associated with ALS, and suggest that this may be an early event in the seeding of insoluble cytoplasmic inclusions observed in ALS.
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Affiliation(s)
- Qiao Ding
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Justin Chaplin
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia.,Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Matthew J Morris
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Massimo A Hilliard
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia.,Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Ernst Wolvetang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, Australia
| | - Dominic C H Ng
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Peter G Noakes
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia.,Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
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36
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Gözen D, Kahraman DC, Narci K, Shehwana H, Konu Ö, Çetin-Atalay R. Transcriptome profiles associated with selenium-deficiency-dependent oxidative stress identify potential diagnostic and therapeutic targets in liver cancer cells. ACTA ACUST UNITED AC 2021; 45:149-161. [PMID: 33907497 PMCID: PMC8068766 DOI: 10.3906/biy-2009-56] [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: 10/06/2020] [Accepted: 02/01/2021] [Indexed: 12/09/2022]
Abstract
Hepatocellular carcinoma (HCC) is one of the most common cancer types with high mortality rates and displays increased resistance to various stress conditions such as oxidative stress. Conventional therapies have low efficacies due to resistance and off-target effects in HCC. Here we aimed to analyze oxidative stress-related gene expression profiles of HCC cells and identify genes that could be crucial for novel diagnostic and therapeutic strategies. To identify important genes that cause resistance to reactive oxygen species (ROS), a model of oxidative stress upon selenium (Se) deficiency was utilized. The results of transcriptome-wide gene expression data were analyzed in which the differentially expressed genes (DEGs) were identified between HCC cell lines that are either resistant or sensitive to Se-deficiency-dependent oxidative stress. These DEGs were further investigated for their importance in oxidative stress resistance by network analysis methods, and 27 genes were defined to have key roles; 16 of which were previously shown to have impact on liver cancer patient survival. These genes might have Se-deficiency-dependent roles in hepatocarcinogenesis and could be further exploited for their potentials as novel targets for diagnostic and therapeutic approaches.
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Affiliation(s)
- Damla Gözen
- Cancer Systems Biology Laboratory, Department of Health Informatics, Graduate School of Informatics, Middle East Technical University, Ankara Turkey
| | - Deniz Cansen Kahraman
- Cancer Systems Biology Laboratory, Department of Health Informatics, Graduate School of Informatics, Middle East Technical University, Ankara Turkey
| | - Kübra Narci
- Cancer Systems Biology Laboratory, Department of Health Informatics, Graduate School of Informatics, Middle East Technical University, Ankara Turkey
| | - Huma Shehwana
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi Pakistan
| | - Özlen Konu
- Department of Molecular Biology and Genetics, Faculty of Science, Bilkent University, Ankara Turkey
| | - Rengül Çetin-Atalay
- Cancer Systems Biology Laboratory, Department of Health Informatics, Graduate School of Informatics, Middle East Technical University, Ankara Turkey
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Cherif LS, Cao-Lei L, Farinelle S, Muller CP, Turner JD, Schroeder H, Grova N. Assessment of 9-OH- and 7,8-diol-benzo[a]pyrene in Blood as Potent Markers of Cognitive Impairment Related to benzo[a]pyrene Exposure: An Animal Model Study. TOXICS 2021; 9:toxics9030050. [PMID: 33800341 PMCID: PMC7998639 DOI: 10.3390/toxics9030050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 02/14/2021] [Accepted: 03/03/2021] [Indexed: 12/27/2022]
Abstract
The potent neurotoxicity of benzo[a]pyrene (B[a]P) has been suggested to be a susceptibility factor accelerating the onset of brain tumours and the emergence of neurobehavioural disturbances. B[a]P has been shown to be neurotoxic, acting directly on both the central and peripheral nervous systems, as well as indirectly via peripheral organs like liver and gut. By using a realistic B[a]P exposure scenario (0.02-200 mg/kg/day, 10 days) in mice, we elucidated brain-specific B[a]P metabolism and at identified hydroxylated B[a]P metabolites in serum which could be used as markers of cognitive impairment. Repeated oral administration of B[a]P led to, at the doses of 20 and 200 mg/kg/day, significant overexpression of Cyp1a1/Cyp1b1 in 2 out of the 3 brain regions considered, thereby suggesting the ability of the brain to metabolize B[a]P itself. At the same doses, mice exhibited a reduction in anxiety in both the elevated plus maze and the hole board apparatus. Concomitantly, B[a]P triggered dose-dependent changes in Nmda subunit expression (Nr1 and Nr2a/Nr2b) in areas involved in cognition. We detected 9-OH-B[a]P and 7,8-diol-B[a]P in serum at the level for which cognitive impairment was observed. We suggest that these metabolites may, in the future be exploited as potent biomarkers of B[a]P-induced cognitive impairments.
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Affiliation(s)
- Lynda Saber Cherif
- Calbinotox, EA7488, Faculty of Science and Technology, Lorraine University, 54500 Vandoeuvre-lès Nancy, France; (L.S.C.); (L.C.-L.); (H.S.)
| | - Lei Cao-Lei
- Calbinotox, EA7488, Faculty of Science and Technology, Lorraine University, 54500 Vandoeuvre-lès Nancy, France; (L.S.C.); (L.C.-L.); (H.S.)
- Immune Endocrine Epigenetics Research Group, Department of Infection and Immunity, LuxembourgInstitute of Health, L-4354 Esch-sur-Alzette, Luxembourg;
| | - Sophie Farinelle
- Experimental & Molecular Immunology Research Group, Department of Infection and Immunity, Luxembourg Institute of Health, L-4354 Esch-sur-Alzette, Luxembourg;
| | - Claude P. Muller
- Department of Infection and Immunity, Luxembourg Institute of Health, L-4354 Esch-Sur-Alzette, Luxembourg;
- Laboratoire National de Santé, L-3583 Dudelange, Luxembourg
| | - Jonathan D. Turner
- Immune Endocrine Epigenetics Research Group, Department of Infection and Immunity, LuxembourgInstitute of Health, L-4354 Esch-sur-Alzette, Luxembourg;
| | - Henri Schroeder
- Calbinotox, EA7488, Faculty of Science and Technology, Lorraine University, 54500 Vandoeuvre-lès Nancy, France; (L.S.C.); (L.C.-L.); (H.S.)
| | - Nathalie Grova
- Calbinotox, EA7488, Faculty of Science and Technology, Lorraine University, 54500 Vandoeuvre-lès Nancy, France; (L.S.C.); (L.C.-L.); (H.S.)
- Immune Endocrine Epigenetics Research Group, Department of Infection and Immunity, LuxembourgInstitute of Health, L-4354 Esch-sur-Alzette, Luxembourg;
- Correspondence: or ; Tel.: +352-26-970-422
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38
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Huang S, Howington MB, Dobry CJ, Evans CR, Leiser SF. Flavin-Containing Monooxygenases Are Conserved Regulators of Stress Resistance and Metabolism. Front Cell Dev Biol 2021; 9:630188. [PMID: 33644069 PMCID: PMC7907451 DOI: 10.3389/fcell.2021.630188] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/15/2021] [Indexed: 01/14/2023] Open
Abstract
Flavin-Containing Monooxygenases are conserved xenobiotic-detoxifying enzymes. Recent studies have revealed endogenous functions of FMOs in regulating longevity in Caenorhabditis elegans and in regulating aspects of metabolism in mice. To explore the cellular mechanisms of FMO's endogenous function, here we demonstrate that all five functional mammalian FMOs may play similar endogenous roles to improve resistance to a wide range of toxic stresses in both kidney and liver cells. We further find that stress-activated c-Jun N-terminal kinase activity is enhanced in FMO-overexpressing cells, which may lead to increased survival under stress. Furthermore, FMO expression modulates cellular metabolic activity as measured by mitochondrial respiration, glycolysis, and metabolomics analyses. FMO expression augments mitochondrial respiration and significantly changes central carbon metabolism, including amino acid and energy metabolism pathways. Together, our findings demonstrate an important endogenous role for the FMO family in regulation of cellular stress resistance and major cellular metabolic activities including central carbon metabolism.
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Affiliation(s)
- Shijiao Huang
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Marshall B. Howington
- Cellular and Molecular Biology Program, University of Michigan, Ann Arbor, MI, United States
| | - Craig J. Dobry
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Charles R. Evans
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
| | - Scott F. Leiser
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
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39
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Zhang Y, Yue C, Krichevsky AM, Garkavtsev I. Repression of the stress granule protein G3BP2 inhibits immune checkpoint molecule PD-L1. Mol Oncol 2021. [PMID: 33525064 DOI: 10.1002/1878-0261.12915] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/21/2020] [Accepted: 01/29/2021] [Indexed: 11/05/2022] Open
Abstract
Mounting evidence suggests that cancer stemness and immunosuppression are related, but the underlying mechanisms behind these are not clear. We previously reported that the stress granule-associated protein G3BP2 is involved in the regulation of tumor-initiating (stem) cells. In this study, we show that this protein also upregulates the immune checkpoint molecule PD-L1 under conditions of stress in breast and glioblastoma cancer cells, revealing a previously unknown connection between stemness programs, stress responses, and immune checkpoint control. We also identified a significant correlation between G3BP2 and PD-L1 co-expression in tumor tissues from cancer patients. To assess the targetability of G3BP2, we employed a small molecule (C108) that binds G3BP2 and interferes with the stress response. Tumors treated with C108 had increased CD8 T-cell proliferation and infiltration. Moreover, treatment of breast tumor-bearing mice with C108 resulted in a significant survival benefit and long-term cures. Cancer cells treated with C108 or cancer cells with genetically repressed G3BP2 had decreased PD-L1 expression due to enhanced mRNA degradation. Our study provides a compelling mechanism linking stress granule formation and immune checkpoint program of cancer, suggesting this link may provide new opportunities for improving anticancer immunotherapy.
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Affiliation(s)
- Yanhong Zhang
- Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Neurology, Ann Romney Center for Neurologic Diseases, Initiative for RNA Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Changli Yue
- Department of Pathology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Anna M Krichevsky
- Department of Neurology, Ann Romney Center for Neurologic Diseases, Initiative for RNA Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Igor Garkavtsev
- Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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40
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Illarionova NB, Morozova KN, Petrovskii DV, Sharapova MB, Romashchenko AV, Troitskii SY, Kiseleva E, Moshkin YM, Moshkin MP. 'Trojan-Horse' stress-granule formation mediated by manganese oxide nanoparticles. Nanotoxicology 2020; 14:1432-1444. [PMID: 33320703 DOI: 10.1080/17435390.2020.1856433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exposure to nanomaterials is considered as one of the risk factors for neurodegenerative pathology. In vitro inorganic nanoparticles (NPs) absorb intrinsically disordered proteins, many of which are the constituents of stress-granules (SGs). SGs normally form in response to cellular stress and, here, we addressed whether selected inorganic NPs could trigger SGs formation in cells. To this end, we have tested a series of inorganic NPs for their ability to induce SGs formation in human glioblastoma and fibroblast cell lines. Among tested NPs, only Mn3O4 NPs triggered SGs formation in cell-type-specific and metabolic-dependent manner. In human glioblastoma U87 MG cell line, Mn3O4 NPs entered cells within minutes and resided inside intracellular vesicles for at least 48 h. Mn3O4 NPs induced a strong reduction in oxidative phosphorylation rate, but not glycolysis. We showed that Mn3O4 NPs slowly dissolve producing a local net of Mn2+ cations, which are known to inhibit oxidative phosphorylation. Indeed, direct incubation of cells with equimolar amounts of Mn2+ cations triggered SGs formation and reduced cellular respiration rate. However, while SGs formed in response to Mn3O4 NPs persisted for hours, SGs formation by Mn2+ peaked and dropped within minutes. Finally, Mn3O4 NPs mediated SGs formation via the phosphorylation of eIF2α. Thus, we conclude that exposure of U87 MG cells to Mn3O4 NPs caused a 'Trojan-horse' prolonged SGs response.
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Affiliation(s)
| | - Ksenia N Morozova
- Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia.,Department of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia
| | - Dmitry V Petrovskii
- Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia.,Department of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia
| | | | | | - Sergey Y Troitskii
- Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, Siberian Branch of RAS, Novosibirsk, Russia
| | - Elena Kiseleva
- Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia
| | - Yuri M Moshkin
- Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia
| | - Mikhail P Moshkin
- Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia.,National Research Tomsk State University, Tomsk, Russia
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Castelli V, Melani F, Ferri C, d'Angelo M, Catanesi M, Grassi D, Benedetti E, Giordano A, Cimini A, Desideri G. Neuroprotective activities of bacopa, lycopene, astaxanthin, and vitamin B12 combination on oxidative stress-dependent neuronal death. J Cell Biochem 2020; 121:4862-4869. [PMID: 32449987 DOI: 10.1002/jcb.29722] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/19/2020] [Accepted: 04/07/2020] [Indexed: 12/28/2022]
Abstract
Oxidative stress is considered the common effector of the cascade of degenerative events in many neurological conditions. Thus, in this paper we tested different nutraceuticals in H2 O2 in vitro model to understand if could represent an adjuvant treatment for neurological diseases. In this study, nutraceuticals bacopa, lycopene, astaxanthin, and vitamin B12 were used alone or in combination in human neuronal differentiated SH-SY5Y cells upon hydrogen peroxide-induced injury and neuroprotective, neuronal death pathways were analyzed. The nutraceuticals analyzed were able to protect H2 O2 cytotoxic effects, through increasing cell viability and proteins involved in neuroprotection pathways and restoring proteins involved in cell death pathways. On this basis, it is possible to propose the use of these compounds as dietary supplement for the prevention or as adjuvant to the only symptomatic treatments so far available for neurodegenerative diseases.
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Affiliation(s)
- Vanessa Castelli
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | | | - Claudio Ferri
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Michele d'Angelo
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Mariano Catanesi
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Davide Grassi
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Elisabetta Benedetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Antonio Giordano
- Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Temple University, Philadelphia, Pennsylvania
- Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Annamaria Cimini
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
- Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Temple University, Philadelphia, Pennsylvania
| | - Giovambattista Desideri
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
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Novel Antioxidant Therapy with the Immediate Precursor to Glutathione, γ-Glutamylcysteine (GGC), Ameliorates LPS-Induced Cellular Stress in In Vitro 3D-Differentiated Airway Model from Primary Cystic Fibrosis Human Bronchial Cells. Antioxidants (Basel) 2020; 9:antiox9121204. [PMID: 33266084 PMCID: PMC7760366 DOI: 10.3390/antiox9121204] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/25/2020] [Accepted: 11/25/2020] [Indexed: 01/21/2023] Open
Abstract
Systemic glutathione deficiency, inflammation, and oxidative stress are hallmarks of cystic fibrosis (CF), an inherited disease that causes persistent lung infections and severe damage to the respiratory system and many of the body organs. Improvements to current antioxidant therapeutic strategies are needed. The dietary supplement, γ-glutamylcysteine (GGC), which is the immediate precursor to glutathione, rapidly boosts cellular glutathione levels following a single dose in healthy individuals. Efficacy of GGC against oxidative stress induced by Pseudomonas aeruginosa, which is a common and chronic pathogen infecting lungs of CF patients, remains unassessed. Primary mucocilliary differentiated airway (bronchial and/or nasal) epithelial cells were created from four individuals with CF. Airway oxidative stress and inflammation was induced by P. aeruginosa lipopolysaccharide (LPS). Parameters including global proteomics alterations, cell redox state (glutathione, oxidative stress), pro-inflammatory mediators (IL-8, IDO-1), and cellular health (membrane integrity, stress granule formation, cell metabolic viability) were assayed under six experimental conditions: (1) Mock, (2) LPS-challenged (3) therapeutic, (4) prophylactic (5) therapeutic and prophylactic and (6) GGC alone. Proteomic analysis identified perturbation of several pathways related to cellular respiration and stress responses upon LPS challenge. Most of these were resolved when cells were treated with GGC. While GGC did not resolve LPS-induced IL-8 and IDO-1 activity, it effectively attenuated LPS-induced oxidative stress and stress granule formation, while significantly increasing total intracellular glutathione levels, metabolic viability and improving epithelial cell barrier integrity. Both therapeutic and prophylactic treatments were successful. Together, these findings indicate that GGC has therapeutic potential for treatment and prevention of oxidative stress-related damage to airways in cystic fibrosis.
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43
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Podkowa A, Kryczyk-Poprawa A, Opoka W, Muszyńska B. Culinary–medicinal mushrooms: a review of organic compounds and bioelements with antioxidant activity. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03646-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
AbstractThere are about 3000 species of mushrooms, which have a high amount of substances that are beneficial to human health, such as antioxidants. It is well known that oxidative stress plays an important role in the etiopathogenesis of many diseases, including cancer, cardiovascular disorders, and diseases of the central nervous system. One way to prevent homeostasis disorders that occur as a result of excessive production of pro-oxidative substances is to include the ingredients having antioxidant properties in the diet. Several compounds, such as those with phenolic and indole derivatives as well as carotenoids and some vitamins, exhibit antioxidant activity. These substances are present in many foods, including mushrooms. In addition, they have certain unique compounds that are not found in other sources (e.g., norbadione A). The present work discusses selected ingredients exhibiting antioxidant activity, which are found in various species of mushrooms as wells as describes the content of these compounds in the extracts obtained from mushrooms using artificial digestive juice.
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Mallard AR, Spathis JG, Coombes JS. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) and exercise. Free Radic Biol Med 2020; 160:471-479. [PMID: 32871230 DOI: 10.1016/j.freeradbiomed.2020.08.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/18/2020] [Accepted: 08/24/2020] [Indexed: 12/15/2022]
Abstract
Chronic metabolic health diseases are increasing worldwide placing strain on healthcare systems and importantly, impacting individuals' quality of life. It is well established that many chronic diseases are associated with inflammation and oxidative stress. Exercise is a known strategy to manage and treat inflammation in animals and humans. Understanding the mechanisms which cause acute and chronic changes to systems via various exercise protocols may provide insights into how we can better clinically manage patients with inflammatory and oxidative stress associated diseases. Nrf2 is a basic leucine transcription factor which regulates the expression of antioxidant proteins to protect against damage caused by electrophilic or oxidative stress. The aim of this narrative review is to provide an overview of the literature which has investigated the relationship between acute and chronic exercise training and Nrf2 protein, mRNA and Nrf2-ARE binding activity. This narrative review presents analysis of twenty-nine articles presenting studies using animals and humans. Findings from animal models suggest that exercise increases all molecular aspects of the Nrf2-ARE pathway in all tissues studied. It was noted that there seems to be an age-related decline in Nrf2 protein upregulation with exercise training. In humans, however, there is a lack of evidence to support this claim.
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Affiliation(s)
- Alistair R Mallard
- Centre for Research on Exercise, Physical Activity and Health, School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia.
| | - Jemima G Spathis
- School of Behavioural and Health Sciences, Australian Catholic University, Brisbane, Queensland, Australia
| | - Jeff S Coombes
- Centre for Research on Exercise, Physical Activity and Health, School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
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Wang F, Li J, Fan S, Jin Z, Huang C. Targeting stress granules: A novel therapeutic strategy for human diseases. Pharmacol Res 2020; 161:105143. [PMID: 32814168 PMCID: PMC7428673 DOI: 10.1016/j.phrs.2020.105143] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/07/2020] [Accepted: 08/10/2020] [Indexed: 12/16/2022]
Abstract
Stress granules (SGs) are assemblies of mRNA and proteins that form from mRNAs stalled in translation initiation in response to stress. Chronic stress might even induce formation of cytotoxic pathological SGs. SGs participate in various biological functions including response to apoptosis, inflammation, immune modulation, and signalling pathways; moreover, SGs are involved in pathogenesis of neurodegenerative diseases, viral infection, aging, cancers and many other diseases. Emerging evidence has shown that small molecules can affect SG dynamics, including assembly, disassembly, maintenance and clearance. Thus, targeting SGs is a potential therapeutic strategy for the treatment of human diseases and the promotion of health. The established methods for detecting SGs provided ready tools for large-scale screening of agents that alter the dynamics of SGs. Here, we describe the effects of small molecules on SG assembly, disassembly, and their roles in the disease. Moreover, we provide perspective for the possible application of small molecules targeting SGs in the treatment of human diseases.
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Affiliation(s)
- Fei Wang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Juan Li
- College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua, Zhejiang, 321004, China
| | - Shengjie Fan
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Zhigang Jin
- College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua, Zhejiang, 321004, China.
| | - Cheng Huang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China.
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46
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Adjirackor NA, Harvey KE, Harvey SC. Eukaryotic response to hypothermia in relation to integrated stress responses. Cell Stress Chaperones 2020; 25:833-846. [PMID: 32676830 PMCID: PMC7591648 DOI: 10.1007/s12192-020-01135-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/29/2020] [Accepted: 07/01/2020] [Indexed: 12/25/2022] Open
Abstract
Eukaryotic cells respond to hypothermic stress through a series of regulatory mechanisms that preserve energy resources and prolong cell survival. These mechanisms include alterations in gene expression, attenuated global protein synthesis and changes in the lipid composition of the phospholipid bilayer. Cellular responses to hyperthermia, hypoxia, nutrient deprivation and oxidative stress have been comprehensively investigated, but studies of the cellular response to cold stress are more limited. Responses to cold stress are however of great importance both in the wild, where exposure to low and fluctuating environmental temperatures is common, and in medical and biotechnology settings where cells and tissues are frequently exposed to hypothermic stress and cryopreservation. This means that it is vitally important to understand how cells are impacted by low temperatures and by the decreases and subsequent increases in temperature associated with cold stress. Here, we review the ways in which eukaryotic cells respond to hypothermic stress and how these compare to the well-described and highly integrated stress response systems that govern the cellular response to other types of stress.
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Affiliation(s)
- Naki A Adjirackor
- School of Human and Life Sciences, Canterbury Christ Church University, Canterbury, CT1 1QU, UK.
| | - Katie E Harvey
- School of Human and Life Sciences, Canterbury Christ Church University, Canterbury, CT1 1QU, UK
| | - Simon C Harvey
- School of Human and Life Sciences, Canterbury Christ Church University, Canterbury, CT1 1QU, UK
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Iglesias-Pedraz JM, Fossatti-Jara DM, Valle-Riestra-Felice V, Cruz-Visalaya SR, Ayala Felix JA, Comai L. WRN modulates translation by influencing nuclear mRNA export in HeLa cancer cells. BMC Mol Cell Biol 2020; 21:71. [PMID: 33054770 PMCID: PMC7557079 DOI: 10.1186/s12860-020-00315-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 10/01/2020] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND The Werner syndrome protein (WRN) belongs to the RecQ family of helicases and its loss of function results in the premature aging disease Werner syndrome (WS). We previously demonstrated that an early cellular change induced by WRN depletion is a posttranscriptional decrease in the levels of enzymes involved in metabolic pathways that control macromolecular synthesis and protect from oxidative stress. This metabolic shift is tolerated by normal cells but causes mitochondria dysfunction and acute oxidative stress in rapidly growing cancer cells, thereby suppressing their proliferation. RESULTS To identify the mechanism underlying this metabolic shift, we examined global protein synthesis and mRNA nucleocytoplasmic distribution after WRN knockdown. We determined that WRN depletion in HeLa cells attenuates global protein synthesis without affecting the level of key components of the mRNA export machinery. We further observed that WRN depletion affects the nuclear export of mRNAs and demonstrated that WRN interacts with mRNA and the Nuclear RNA Export Factor 1 (NXF1). CONCLUSIONS Our findings suggest that WRN influences the export of mRNAs from the nucleus through its interaction with the NXF1 export receptor thereby affecting cellular proteostasis. In summary, we identified a new partner and a novel function of WRN, which is especially important for the proliferation of cancer cells.
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Affiliation(s)
- Juan Manuel Iglesias-Pedraz
- Departamento de Investigación, Desarrollo e Innovación, Laboratorio de Genética Molecular y Bioquímica, Universidad Científica del Sur, Villa El Salvador, 15842 Lima, Peru
| | - Diego Matia Fossatti-Jara
- Departamento de Investigación, Desarrollo e Innovación, Laboratorio de Genética Molecular y Bioquímica, Universidad Científica del Sur, Villa El Salvador, 15842 Lima, Peru
- Present address: National Centre for Biomolecular Research, Masaryk University, 62500 Brno, Czech Republic
| | - Valeria Valle-Riestra-Felice
- Departamento de Investigación, Desarrollo e Innovación, Laboratorio de Genética Molecular y Bioquímica, Universidad Científica del Sur, Villa El Salvador, 15842 Lima, Peru
| | - Sergio Rafael Cruz-Visalaya
- Departamento de Investigación, Desarrollo e Innovación, Laboratorio de Genética Molecular y Bioquímica, Universidad Científica del Sur, Villa El Salvador, 15842 Lima, Peru
| | - Jose Antonio Ayala Felix
- Departamento de Investigación, Desarrollo e Innovación, Laboratorio de Genética Molecular y Bioquímica, Universidad Científica del Sur, Villa El Salvador, 15842 Lima, Peru
| | - Lucio Comai
- Department of Molecular Microbiology and Immunology, Biochemistry and Molecular Medicine, Keck School of Medicine, Longevity Institute, Davis School of Gerontology, University of Southern California, Los Angeles, CA 90033 USA
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Legrand N, Dixon DA, Sobolewski C. Stress granules in colorectal cancer: Current knowledge and potential therapeutic applications. World J Gastroenterol 2020; 26:5223-5247. [PMID: 32994684 PMCID: PMC7504244 DOI: 10.3748/wjg.v26.i35.5223] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/12/2020] [Accepted: 09/03/2020] [Indexed: 02/06/2023] Open
Abstract
Stress granules (SGs) represent important non-membrane cytoplasmic compartments, involved in cellular adaptation to various stressful conditions (e.g., hypoxia, nutrient deprivation, oxidative stress). These granules contain several scaffold proteins and RNA-binding proteins, which bind to mRNAs and keep them translationally silent while protecting them from harmful conditions. Although the role of SGs in cancer development is still poorly known and vary between cancer types, increasing evidence indicate that the expression and/or the activity of several key SGs components are deregulated in colorectal tumors but also in pre-neoplastic conditions (e.g., inflammatory bowel disease), thus suggesting a potential role in the onset of colorectal cancer (CRC). It is therefore believed that SGs formation importantly contributes to various steps of colorectal tumorigenesis but also in chemoresistance. As CRC is the third most frequent cancer and one of the leading causes of cancer mortality worldwide, development of new therapeutic targets is needed to offset the development of chemoresistance and formation of metastasis. Abolishing SGs assembly may therefore represent an appealing therapeutic strategy to re-sensitize colon cancer cells to anti-cancer chemotherapies. In this review, we summarize the current knowledge on SGs in colorectal cancer and the potential therapeutic strategies that could be employed to target them.
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Affiliation(s)
- Noémie Legrand
- Department of Medicine, Faculty of Medicine, University of Geneva, Geneva CH-1211, Switzerland
| | - Dan A Dixon
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas, and University of Kansas Cancer Center, Lawrence, KS 66045, United States
| | - Cyril Sobolewski
- Department of Cell Physiology and Metabolism, Faculty of Medicine, University of Geneva, Geneva CH-1211, Switzerland
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Zhang X, Yang J, Liu X, Zhao G, Li X, Xun G. Glutathione S-transferase gene polymorphisms (GSTT1 and GSTM1) and risk of schizophrenia: A case-control study in Chinese Han population. Medicine (Baltimore) 2020; 99:e21918. [PMID: 32899025 PMCID: PMC7478483 DOI: 10.1097/md.0000000000021918] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Schizophrenia (SCZ) is a chronic disability disorder related to oxidative stress. Glutathione S-transferase (GST) is a group enzyme that protects cells and tissues from oxidative stress damage. Among GSTs, GSTT1 and GSTM1 have well defined genetic polymorphisms. The purpose of our research was to explore the correlation between GSTT1 and GSTM1 polymorphism and SCZ risk in Chinese Han population.A total of 650 subjects (386 SCZ patients and 264 healthy individuals) were included in this case-control designed study. The GSTT1 and GSTM1 polymorphisms were analyzed by multiplex polymerase chain reaction (PCR). We explored the relationship between these 2 polymorphisms and the risk of SCZ.We found that the GSTT1 null genotype had a protective effect on the development of SCZ [odds ratio (OR) = 0.601, 95% confidence interval (95% CI) = 0.412-0.986, P = .031]. We also found that the combination of null genotypes of the GSTT1 and GSTM1 genes was made at a lower risk of SCZ (OR = 0.452, 95% CI = 0.238-0.845, P = .028). However, we found no correction between Positive and Negative Syndrome Scale score (PANSS) and GSTM1, GSST1 genotypes in SCZ patients.Our finding revealed that GSTT1 null polymorphisms may be related to the reduced risk of SCZ in Chinese Han population, and this risk was further reduced with the combination of GSTT1 null polymorphisms and GSTM1 null polymorphisms.
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Affiliation(s)
- Xin Zhang
- Jining Psychiatric Hospital, Jining, Shandong Province, China
| | - Jinmei Yang
- Jining Psychiatric Hospital, Jining, Shandong Province, China
| | - Xia Liu
- Jining Psychiatric Hospital, Jining, Shandong Province, China
| | - Gaofeng Zhao
- Jining Psychiatric Hospital, Jining, Shandong Province, China
| | - Xue Li
- Jining Medical University, Jining, Shandong Province, China
| | - Guanglei Xun
- Shandong Mental Health Center, Jinan, Shandong Province, China
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Begovich K, Wilhelm JE. An In Vitro Assembly System Identifies Roles for RNA Nucleation and ATP in Yeast Stress Granule Formation. Mol Cell 2020; 79:991-1007.e4. [PMID: 32780990 DOI: 10.1016/j.molcel.2020.07.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 05/22/2020] [Accepted: 07/17/2020] [Indexed: 01/08/2023]
Abstract
Stress granules (SGs) are condensates of mRNPs that form in response to stress. SGs arise by multivalent protein-protein, protein-RNA, and RNA-RNA interactions. However, the role of RNA-RNA interactions in SG assembly remains understudied. Here, we describe a yeast SG reconstitution system that faithfully recapitulates SG assembly in response to trigger RNAs. SGs assembled by stem-loop RNA triggers are ATP-sensitive, regulated by helicase/chaperone activity, and exhibit the hallmarks of maturation observed for SG proteins that phase-separate in vitro. Additionally, the fraction of total RNA that phase-separates in vitro is sufficient to trigger SG formation. However, condensation of NFT1 mRNA, an enriched transcript in this population, can only assemble an incomplete SG. These results suggest that networks of distinct transcripts are required to form a canonical SG and provide a platform for dissecting the interplay between the transcriptome and ATP-dependent remodeling in SG formation.
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Affiliation(s)
- Kyle Begovich
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA; Howard Hughes Medical Institute (HHMI) Summer Institute Marine Biological Laboratory, Woods Hole, MA 02543, USA
| | - James E Wilhelm
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA; Howard Hughes Medical Institute (HHMI) Summer Institute Marine Biological Laboratory, Woods Hole, MA 02543, USA.
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