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Signorini C, Saso L, Ghareghomi S, Telkoparan-Akillilar P, Collodel G, Moretti E. Redox Homeostasis and Nrf2-Regulated Mechanisms Are Relevant to Male Infertility. Antioxidants (Basel) 2024; 13:193. [PMID: 38397791 PMCID: PMC10886271 DOI: 10.3390/antiox13020193] [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: 12/29/2023] [Revised: 01/20/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
Infertility represents a significant global health challenge, affecting more than 12% of couples worldwide, and most cases of infertility are caused by male factors. Several pathological pathways are implicated in male infertility. The main mechanisms involved are driven by the loss of reduction-oxidation (redox) homeostasis and the resulting oxidative damage as well as the chronic inflammatory process. Increased or severe oxidative stress leads to sperm plasma membrane and DNA oxidative damage, dysregulated RNA processing, and telomere destruction. The signaling pathways of these molecular events are also regulated by Nuclear factor-E2-related factor 2 (Nrf2). The causes of male infertility, the role of oxidative stress in male infertility and the Keap1-Nrf2 antioxidant pathway are reviewed. This review highlights the regulatory role of Nrf2 in the balance between oxidants and antioxidants as relevant mechanisms to male fertility. Nrf2 is involved in the regulation of spermatogenesis and sperm quality. Establishing a link between Nrf2 signaling pathways and the regulation of male fertility provides the basis for molecular modulation of inflammatory processes, reactive oxygen species generation, and the antioxidant molecular network, including the Nrf2-regulated antioxidant response, to improve male reproductive outcomes.
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Affiliation(s)
- Cinzia Signorini
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (C.S.); (G.C.); (E.M.)
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy
| | - Somayyeh Ghareghomi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran;
| | | | - Giulia Collodel
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (C.S.); (G.C.); (E.M.)
| | - Elena Moretti
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (C.S.); (G.C.); (E.M.)
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2
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Song Y, Qu Y, Mao C, Zhang R, Jiang D, Sun X. Post-translational modifications of Keap1: the state of the art. Front Cell Dev Biol 2024; 11:1332049. [PMID: 38259518 PMCID: PMC10801156 DOI: 10.3389/fcell.2023.1332049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
The Keap1-Nrf2 signaling pathway plays a crucial role in cellular defense against oxidative stress-induced damage. Its activation entails the expression and transcriptional regulation of several proteins involved in detoxification and antioxidation processes within the organism. Keap1, serving as a pivotal transcriptional regulator within this pathway, exerts control over the activity of Nrf2. Various post-translational modifications (PTMs) of Keap1, such as alkylation, glycosylation, glutathiylation, S-sulfhydration, and other modifications, impact the binding affinity between Keap1 and Nrf2. Consequently, this leads to the accumulation of Nrf2 and its translocation to the nucleus, and subsequent activation of downstream antioxidant genes. Given the association between the Keap1-Nrf2 signaling pathway and various diseases such as cancer, neurodegenerative disorders, and diabetes, comprehending the post-translational modification of Keap1 not only deepens our understanding of Nrf2 signaling regulation but also contributes to the identification of novel drug targets and biomarkers. Consequently, this knowledge holds immense importance in the prevention and treatment of diseases induced by oxidative stress.
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Affiliation(s)
- Yunjia Song
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Ying Qu
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Caiyun Mao
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Rong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Deyou Jiang
- Department of Typhoid, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xutao Sun
- Department of Synopsis of the Golden Chamber, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, China
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Fu W, Xiao Z, Chen Y, Pei J, Sun Y, Zhang Z, Wu H, Pei Y, Wei S, Wang Y, Wang D. Molecular integrative study on interaction domains of nuclear factor erythroid 2-related factor 2 with sirtuin 6. Biochimie 2023; 211:68-77. [PMID: 36924820 DOI: 10.1016/j.biochi.2023.03.002] [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: 10/19/2022] [Revised: 02/08/2023] [Accepted: 03/09/2023] [Indexed: 03/16/2023]
Abstract
Oxidative stress is one of the elements causing aging and related diseases. Inhibiting Nrf2 activity or increasing oxidative pressure can replicate the deficits of premature aging. SIRT6 is one of the few proteins that can regulate both life span and aging. Deletion of SIRT6 in human cells impairs the antioxidant capacity of cells, which results in the accumulation of intracellular reactive oxygen species and DNA oxidation products. Characterization of the binding of Nrf2 with SIRT6 is critical for understanding the modulation of Nrf2-correlated cell activities by SIRT6. The yeast two-hybrid experiments showed that the binding of Nrf2 with SIRT6 is mediated by Neh1 and Neh3 domains. The elimination of the Neh1 and Neh3 domains decreased the binding stability and free energy, according to the molecular dynamic analysis. The roles of theses domains in mediating the binding were confirmed by co-immunoprecipitation. In cells transfected with the small interfering RNA (siRNA) targeting the Nrf2 Neh1 domain and plasmids overexpressing domain-mutant Nrf2, it was discovered that Nrf2 lost its activity to stimulate the transcription of antioxidant genes in the absence of Neh1 and Neh3 domains.
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Affiliation(s)
- Wanmeng Fu
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan, 570228, China
| | - Zhengpan Xiao
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan, 570228, China
| | - Yibo Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, 999078, China
| | - Jinli Pei
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, China
| | - Yan Sun
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan, 570228, China
| | - Zhuandan Zhang
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan, 570228, China
| | - Hao Wu
- Central Laboratory, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, 315046, China
| | - Yechun Pei
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan, 570228, China
| | - Shuangshuang Wei
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan, 570228, China
| | - Yuerong Wang
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Dayong Wang
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan, 570228, China; Key Laboratory of Tropical Biological Resources of the Ministry of Education of China, Hainan University, Haikou, Hainan, 570228, China; One Health Collaborative Innovation Center, Hainan University, Haikou, Hainan, 570228, China.
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4
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Liu H, Zhang P, Ge X, Wu Q, Han C, Zhang L, Hua Y, Zhang Y, Liu J, Shi Y, Wang B, Wang X, Wang W, Jiang Y, Zhang H, Deng C, Xie Y, Liu Y, He S. Optimization of clofibrate with O-desmethyl anetholtrithione lead to a novel hypolipidemia compound with hepatoprotective effect. Bioorg Med Chem Lett 2022; 72:128844. [PMID: 35697180 DOI: 10.1016/j.bmcl.2022.128844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 11/16/2022]
Abstract
Oxidative stress and inflammation were considered to be the major mechanisms in liver damage caused by clofibrate (CF). In order to obtain lipid-lowering drugs with less liver damage, the structure of clofibrate was optimized by O-desmethyl anetholtrithione and got the target compound clofibrate-O-desmethyl anetholtrithione (CF-ATT). CF-ATT significantly reduced the levels of plasma triglycerides (TG), total cholesterol (TC) in hyperlipidemia mice induced by Triton WR-1339. In addition, CF-ATT has a significantly protective effect on the liver compared with CF. The liver weight and liver coefficient were reduced. The hepatic function indexes were also decreased, such as aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP). Histopathological examination of the liver revealed that inflammatory cell infiltration, nuclear degeneration, cytoplasmic loosening and hepatocyte necrosis were ameliorated by administration with CF-ATT. The hepatoprotective mechanism showed that CF-ATT significantly up-regulated Nrf2 and HO-1 protein expression and down-regulated p-NF-κB P65 expression in the liver. CF-ATT has obviously antioxidant and anti-inflammatory activity. These findings suggested that CF-ATT has significant hypolipidemia activity and exact hepatoprotective effect possibly through the Nrf2/NF-κB-mediated signal pathway.
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Affiliation(s)
- Haitao Liu
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Panpan Zhang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Xiaoxiao Ge
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Qiong Wu
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Chuchu Han
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Linyang Zhang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Yuxin Hua
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Yuxuan Zhang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Jiping Liu
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China; Key Laboratory of Pharmacodynamics and Material Basis of Chinese Medicine, Shaanxi Administration of Traditional Chinese Medicine, Xianyang 712046, People's Republic of China
| | - Yongheng Shi
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China; Key Laboratory of Pharmacodynamics and Material Basis of Chinese Medicine, Shaanxi Administration of Traditional Chinese Medicine, Xianyang 712046, People's Republic of China
| | - Bin Wang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China; Key Laboratory of Pharmacodynamics and Material Basis of Chinese Medicine, Shaanxi Administration of Traditional Chinese Medicine, Xianyang 712046, People's Republic of China
| | - Xiaoping Wang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Wei Wang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Yi Jiang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Huawei Zhang
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Chong Deng
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China
| | - Yundong Xie
- College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Ecomic Zone, Shaanxi Province 712046, People's Republic of China.
| | - Ying Liu
- Institute of Translational Medicine, Shanghai University 99 Shangda Road, Shanghai 200444, People's Republic of China.
| | - Shipeng He
- Institute of Translational Medicine, Shanghai University 99 Shangda Road, Shanghai 200444, People's Republic of China.
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Chen J, Sun Y, Huang S, Shen H, Chen Y. Grub polypeptide extracts protect against oxidative stress through the NRF2-ARE signaling pathway. Anim Cells Syst (Seoul) 2021; 25:405-415. [PMID: 35059140 PMCID: PMC8765254 DOI: 10.1080/19768354.2021.2018043] [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: 08/09/2021] [Revised: 11/14/2021] [Accepted: 11/24/2021] [Indexed: 12/02/2022] Open
Abstract
Grub polypeptide extracts (GPEs) have antioxidant effects; however, their underlying molecular mechanisms are unknown. This study explored the antioxidant molecular mechanism of GPE via the nuclear factor-erythroid 2-related factor 2 (NRF2)-antioxidant response element (ARE) signaling pathway in C2C12 muscle satellite cells exposed to oxidative stress. The effects of GPE/or H2O2 on C2C12 were investigated by the MTT (3- (4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) viability assay and immunofluorescence and small interfering RNA (siRNA) analyses. The cell viability, cell damage, intracellular reactive oxygen species (ROS) levels, and NRF2 signaling pathways related to proteins were measured. GPE significantly increased the antioxidant capacity of cells, evident by increased cell viability and decreased lactate dehydrogenase leakage, DNA damage, malondialdehyde content, and ROS level. GPE also markedly increased mRNA expression levels and activities of antioxidant enzymes including superoxidase 1 and 2, catalase, and glutathione peroxidase. In addition, GPE increased the gene and protein expression of NRF2 and heme oxygenase 1 by promoting NRF2 translocation from the cytoplasm to the nucleus and activating NRF2-ARE signaling pathways. The antioxidant effects of GPE through these signaling pathways were further confirmed by NRF2-specific siRNA silencing. Thus, GPE enhances antioxidant capacity and alleviates oxidative damage of C2C12 cells via the NRF2-ARE signaling pathway.
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Affiliation(s)
- Jingyang Chen
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, People’s Republic of China
| | - Yingjian Sun
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, People’s Republic of China
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, People’s Republic of China
| | - Shan Huang
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, People’s Republic of China
| | - Hong Shen
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, People’s Republic of China
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, People’s Republic of China
| | - Yongjie Chen
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Beijing Maternal and Child Health Care Hospital, Capital Medical University, Beijing, People’s Republic of China
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The Keap1-Nrf2 System: A Mediator between Oxidative Stress and Aging. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6635460. [PMID: 34012501 PMCID: PMC8106771 DOI: 10.1155/2021/6635460] [Citation(s) in RCA: 162] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 04/05/2021] [Accepted: 04/11/2021] [Indexed: 02/06/2023]
Abstract
Oxidative stress, a term that describes the imbalance between oxidants and antioxidants, leads to the disruption of redox signals and causes molecular damage. Increased oxidative stress from diverse sources has been implicated in most senescence-related diseases and in aging itself. The Kelch-like ECH-associated protein 1- (Keap1-) nuclear factor-erythroid 2-related factor 2 (Nrf2) system can be used to monitor oxidative stress; Keap1-Nrf2 is closely associated with aging and controls the transcription of multiple antioxidant enzymes. Simultaneously, Keap1-Nrf2 signaling is also modulated by a more complex regulatory network, including phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt), protein kinase C, and mitogen-activated protein kinase. This review presents more information on aging-related molecular mechanisms involving Keap1-Nrf2. Furthermore, we highlight several major signals involved in Nrf2 unbinding from Keap1, including cysteine modification of Keap1 and phosphorylation of Nrf2, PI3K/Akt/glycogen synthase kinase 3β, sequestosome 1, Bach1, and c-Myc. Additionally, we discuss the direct interaction between Keap1-Nrf2 and the mammalian target of rapamycin pathway. In summary, we focus on recent progress in research on the Keap1-Nrf2 system involving oxidative stress and aging, providing an empirical basis for the development of antiaging drugs.
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Yang S, Deng Q, Sun L, Zhu Y, Dong K, Wu S, Huang R, Li Y. Salmonella Effector SpvB Inhibits NF-κB Activity via KEAP1-Mediated Downregulation of IKKβ. Front Cell Infect Microbiol 2021; 11:641412. [PMID: 33816345 PMCID: PMC8015805 DOI: 10.3389/fcimb.2021.641412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/01/2021] [Indexed: 01/14/2023] Open
Abstract
Bacterial pathogens have a broad arsenal of genes that are tightly regulated and coordinated to facilitate adaptation to alter host inflammatory response and prolong intracellular bacterial survival. Salmonella enterica serovar Typhimurium utilizes a type III secretion system (T3SS) to deliver effector molecules into host cells and regulate signal transduction pathways such as NF-κB, thereby resulting in salmonellosis. SpvB, a pSLT-encoded cytotoxic protein secreted by Salmonella pathogenicity island-2 T3SS, is associated with enhanced Salmonella survival and intracellular replication. In this report, we characterized the effects of SpvB on NF-κB signaling pathway. We showed that SpvB has a potent and specific ability to prevent NF-κB activation by targeting IκB kinase β (IKKβ). Previous studies from our laboratory showed that SpvB decreases Nrf2 through its C-terminal domain. Here we further demonstrated that KEAP1, a cytoplasmic protein that interacts with Nrf2 and mediates its proteasomal degradation, is involved in SpvB-induced downregulation of IKKβ expression and phosphorylation. Reduction of KEAP1 by small-interfering RNA prevented the suppression of IKKβ and its phosphorylation mediated by SpvB. These findings revealed a novel mechanism by which Salmonella modulates NF-κB activity to ultimately facilitate intracellular bacterial survival and proliferation and delay host immune response to establish infection.
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Affiliation(s)
- Sidi Yang
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China.,School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Qifeng Deng
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China
| | - Lanqing Sun
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China
| | - Yuan Zhu
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China
| | - Kedi Dong
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China
| | - Shuyan Wu
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China
| | - Rui Huang
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China
| | - Yuanyuan Li
- Department of Medical Microbiology, Medical College of Soochow University, Suzhou, China
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Jamali N, Zal F, Mostafavi-Pour Z, Samare-Najaf M, Poordast T, Dehghanian A. Ameliorative Effects of Quercetin and Metformin and Their Combination Against Experimental Endometriosis in Rats. Reprod Sci 2021; 28:683-692. [PMID: 33141412 DOI: 10.1007/s43032-020-00377-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 10/26/2020] [Indexed: 12/31/2022]
Abstract
Endometriosis, as the leading cause of infertility, is attributed to oxidative stress, inflammation, and autophagy dysregulation. This study was conducted to evaluate the effect of quercetin and metformin, alone or in combination, on the ectopic and eutopic endometrial tissues in a rat model of endometriosis. We divided 60 female rats into 6 groups, including SH, Endo, Endo + Oil, Endo + Q, Endo + M, and Endo + Q + M. The last five groups underwent a surgery, so that we could induce endometriosis, and after 4 weeks, daily treatment began, lasting for a month. Subsequently, the size and histoarchitecture of the endometrial implants, serum levels of 17β-estradiol, progesterone and tumor necrosis factor (TNF)-α, and markers of oxidative stress and autophagy were assessed utilizing ELISA and gene expression analysis. Our results shed light to the fact that serum TNF-α and 17β-estradiol levels significantly increased in endometriosis rats. Moreover, NADPH: quinone oxidoreductase (NQO1) enzyme activity and gene expression levels of nuclear factor erythroid 2-related factor 2 (Nrf2) and autophagy markers significantly decreased; meanwhile, mammalian target of rapamycin (mTOR) gene expression increased in the ectopic endometrial tissues, as compared with eutopic ones. Surprisingly, our results demonstrated that the treatment in which we applied the combination of quercetin and metformin significantly reversed these changes and had a pronounced effect on the endometrial implant size and gene expression levels of mTOR and autophagy markers in ectopic endometrium. The findings of the present study suggest that quercetin, metformin, and their combination were of potential therapeutic effects on the rat model of endometriosis.
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Affiliation(s)
- Navid Jamali
- Biochemistry Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Zal
- Biochemistry Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
- Infertility Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Zohreh Mostafavi-Pour
- Biochemistry Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
- Maternal-Fetal Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Mohammad Samare-Najaf
- Biochemistry Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Tahereh Poordast
- Infertility Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of OB/GYN, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amirreza Dehghanian
- Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Chen Y, Shao X, Cao J, Zhu H, Yang B, He Q, Ying M. Phosphorylation regulates cullin-based ubiquitination in tumorigenesis. Acta Pharm Sin B 2021; 11:309-321. [PMID: 33643814 PMCID: PMC7893081 DOI: 10.1016/j.apsb.2020.09.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/13/2020] [Accepted: 08/21/2020] [Indexed: 02/06/2023] Open
Abstract
Cullin-RING ligases (CRLs) recognize and interact with substrates for ubiquitination and degradation, and can be targeted for disease treatment when the abnormal expression of substrates involves pathologic processes. Phosphorylation, either of substrates or receptors of CRLs, can alter their interaction. Phosphorylation-dependent ubiquitination and proteasome degradation influence various cellular processes and can contribute to the occurrence of various diseases, most often tumorigenesis. These processes have the potential to be used for tumor intervention through the regulation of the activities of related kinases, along with the regulation of the stability of specific oncoproteins and tumor suppressors. This review describes the mechanisms and biological functions of crosstalk between phosphorylation and ubiquitination, and most importantly its influence on tumorigenesis, to provide new directions and strategies for tumor therapy.
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Key Words
- AIRE, autoimmune regulator
- AKT, AKT serine/threonine kinase
- ATR, ataxia telangiectasia-mutated and Rad3-related
- BCL2, BCL2 apoptosis regulator
- BMAL1, aryl hydrocarbon receptor nuclear translocator like
- CDK2/4, cyclin dependent kinase 2/4
- CDT2, denticleless E3 ubiquitin protein ligase homolog
- CHK1, checkpoint kinase 1
- CK1/2, casein kinase I/II
- CLOCK, clock circadian regulator
- COMMD1, copper metabolism domain containing 1
- CRL, cullin-RING ligase
- CRY1, cryptochrome circadian regulator 1
- CSN, COP9 signalosome
- Ci, cubitus interruptus
- Crosstalk
- Cullin-RING ligases
- DDB1, damage specific DNA binding protein 1
- DYRK1A/B, dual-specificity tyrosine-phosphorylation-regulated kinases 1A/B
- Degradation
- EMT, epithelial–mesenchymal transition
- ERG, ETS transcription factor ERG
- ERK, mitogen-activated protein kinase 1
- EXO1, exonuclease 1
- FBW7, F-box and WD repeat domain containing 7
- FBXL3, F-box and leucine rich repeat protein
- FBXO3/31, F-box protein 3/31
- FZR1, fizzy and cell division cycle 20 related 1
- HCC, hepatocellular carcinomas
- HIB, Hedghog-induced MATH and BTB domain-containing protein
- HIF1α, NF-κB and hypoxia inducible factor 1 subunit alpha
- ID2, inhibitor of DNA binding 2
- JAB1, c-Jun activation domain binding protein-1
- KBTBD8, kelch repeat and BTB domain containing 8
- KDM2B, lysine demethylase 2B
- KEAP1, kelch like ECH associated protein 1
- KLHL3, kelch like family member 3
- KRAS, KRAS proto-oncogene, GTPase
- Kinases
- MYC, MYC proto-oncogene, bHLH transcription factor
- NEDD8, NEDD8 ubiquitin like modifier
- NOLC1, nucleolar and coiled-body phosphoprotein 1
- NRF2, nuclear factor, erythroid 2 like 2
- P-TEFb, positive transcription elongation factor b
- PDL1, programmed death ligand 1
- PKC, protein kinase C
- PKM2, pyruvate kinase M2 isoform
- PYGO2, pygopus 2
- Phosphorylation
- RA, retinoic acid
- RARα, RA receptor α
- RRM2, ribonucleotide reductase regulatory subunit M2
- SNAIL1, snail family transcriptional repressor 1
- SOCS6, suppressor of cytokine signaling 6
- SPOP, speckle-type POZ protein
- SRC-3, nuclear receptor coactivator 3
- TCN, triciribine hydrate
- TCOF1, treacle ribosome biogenesis factor 1
- TRF1, telomeric repeat binding factor 1
- Targeted therapy
- Tumorigenesis
- USP37, ubiquitin specific peptidase 37
- Ubiquitination
- VHL, von Hippel-Lindau tumor suppressor
- Vps34, phosphatidylinositol 3-kinase catalytic subunit type 3
- XBP1, X-box binding protein 1
- ZBTB16, zinc finger and BTB domain containing 16
- c-Fos, Fos proto-oncogene, AP-1 transcription factor subunit
- p130Cas, BCAR1 scaffold protein, Cas family member
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Li W, Sun K, Hu F, Chen L, Zhang X, Wang F, Yan B. Protective effects of natural compounds against oxidative stress in ischemic diseases and cancers via activating the Nrf2 signaling pathway: A mini review. J Biochem Mol Toxicol 2020; 35:e22658. [PMID: 33118292 DOI: 10.1002/jbt.22658] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/28/2020] [Accepted: 10/09/2020] [Indexed: 12/11/2022]
Abstract
Oxidative stress, an imbalance between reactive oxygen species and antioxidants, has been seen in the pathological states of many disorders such as ischemic diseases and cancers. Many natural compounds (NCs) have long been recognized to ameliorate oxidative stress due to their inherent antioxidant activities. The modulation of oxidative stress by NCs via activating the Nrf2 signaling pathway is summarized in the review. Three NCs, ursolic acid, betulinic acid, and curcumin, and the mechanisms of their cytoprotective effects are investigated in myocardial ischemia, cerebral ischemia, skin cancer, and prostate cancer. To promote the therapeutic performance of NCs with poor water solubility, the formulation approach, such as the nano drug delivery system, is elaborated as well in this review.
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Affiliation(s)
- Wenji Li
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Key Laboratory of Zoonosis, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, China
| | - Kai Sun
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, Jiangsu, China
| | - Fang Hu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, Jiangsu, China
| | - Longfei Chen
- China National Intellectual Property Administration Patent Re-examination and Invalidation Department Pharmaceutical Division, Beijing, China
| | - Xing Zhang
- Departments of Urology, Yangzhou Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Yangzhou, Jiangsu, China
| | - Fuxing Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, Jiangsu, China
| | - Bingchun Yan
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Key Laboratory of Zoonosis, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, China
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