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Jiang Z, Ye S, Wu Y, Zhou C, Cao F, Tan N. Cyclopeptide RA-V from Rubia yunnanensis restores activity of Adagrasib against colorectal cancer by reducing the expression of Nrf2. Pharmacol Res 2024; 206:107252. [PMID: 38945380 DOI: 10.1016/j.phrs.2024.107252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 07/02/2024]
Abstract
Adagrasib (MRTX849), an approved and promising KRAS G12C inhibitor, has shown the promising results for treating patients with advanced non-small cell lung cancer (NSCLC) or colorectal cancer (CRC) harboring KRAS-activating mutations. However, emergence of the acquired resistance limits its long-term efficacy and clinical application. Further understanding of the mechanism of the acquired resistance is crucial for developing more new effective therapeutic strategies. Herein, we firstly found a new connection between the acquired resistance to MRTX849 and nuclear factor erythroid 2-related factor 2 (Nrf2). The expression levels of Nrf2 and GLS1 proteins were substantially elevated in different CRC cell lines with the acquired resistance to MRTX849 in comparison with their corresponding parental cell lines. Next, we discovered that RA-V, one of natural cyclopeptides isolated from the roots of Rubia yunnanensis, could restore the response of resistant CRC cells to MRTX849. The results of molecular mechanisms showed that RA-V suppressed Nrf2 protein through the ubiquitin-proteasome-dependent degradation, leading to the induction of oxidative and ER stress, and DNA damage in CRC cell lines. Consequently, RA-V reverses the resistance to MRTX849 by inhibiting the Nrf2/GLS1 axis, which shows the potential for further developing into one of novel adjuvant therapies of MRTX849.
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Affiliation(s)
- Zhuangzhuang Jiang
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Shuqing Ye
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Yingwei Wu
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Chen Zhou
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Feng Cao
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Ninghua Tan
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
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Deng R, Zhu Y, Liu K, Zhang Q, Hu S, Wang M, Zhang Y. Genetic loss of Nrf1 and Nrf2 leads to distinct metabolism reprogramming of HepG2 cells by opposing regulation of the PI3K-AKT-mTOR signalling pathway. Bioorg Chem 2024; 145:107212. [PMID: 38377819 DOI: 10.1016/j.bioorg.2024.107212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/10/2024] [Accepted: 02/12/2024] [Indexed: 02/22/2024]
Abstract
As a vital hallmarker of cancer, the metabolic reprogramming has been shown to play a pivotal role in tumour occurrence, metastasis and drug resistance. Amongst a vast variety of signalling molecules and metabolic enzymes involved in the regulation of cancer metabolism, two key transcription factors Nrf1 and Nrf2 are required for redox signal transduction and metabolic homeostasis. However, the regulatory effects of Nrf1 and Nrf2 (both encoded by Nfe2l1 and Nfe2l2, respectively) on the metabolic reprogramming of hepatocellular carcinoma cells have been not well understood to date. Here, we found that the genetic deletion of Nrf1 and Nrf2 from HepG2 cells resulted in distinct metabolic reprogramming. Loss of Nrf1α led to enhanced glycolysis, reduced mitochondrial oxygen consumption, enhanced gluconeogenesis and activation of the pentose phosphate pathway in the hepatocellular carcinoma cells. By striking contrast, loss of Nrf2 attenuated the glycolysis and gluconeogenesis pathways, but with not any significant effects on the pentose phosphate pathway. Moreover, knockout of Nrf1α also caused fat deposition and increased amino acid synthesis and transport, especially serine synthesis, whilst Nrf2 deficiency did not cause fat deposition, but attenuated amino acid synthesis and transport. Further experiments revealed that such distinctive metabolic programming of between Nrf1α-/- and Nrf2-/- resulted from substantial activation of the PI3K-AKT-mTOR signalling pathway upon the loss of Nrf1, leading to increased expression of critical genes for the glucose uptake, glycolysis, the pentose phosphate pathway, and the de novo lipid synthesis, whereas deficiency of Nrf2 resulted in the opposite phenomenon by inhibiting the PI3K-AKT-mTOR pathway. Altogether, these provide a novel insight into the cancer metabolic reprogramming and guide the exploration of a new strategy for targeted cancer therapy.
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Affiliation(s)
- Rongzhen Deng
- Bioengineering College and Graduate School, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China; Chongqing University Jiangjin Hospital, School of Medicine, Chongqing University, No. 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing 402260, China; The Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering and Faculty of Medical Sciences, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China
| | - Yuping Zhu
- The Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering and Faculty of Medical Sciences, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China; school of Basic Medicine, Guizhou Medical University, No. 6 Aokang Avenue, Gui'an New District, Guizhou 561113, China
| | - Keli Liu
- Bioengineering College and Graduate School, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China; Chongqing University Jiangjin Hospital, School of Medicine, Chongqing University, No. 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing 402260, China; The Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering and Faculty of Medical Sciences, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China
| | - Qun Zhang
- Bioengineering College and Graduate School, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China; Chongqing University Jiangjin Hospital, School of Medicine, Chongqing University, No. 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing 402260, China; The Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering and Faculty of Medical Sciences, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China
| | - Shaofan Hu
- Bioengineering College and Graduate School, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China; Chongqing University Jiangjin Hospital, School of Medicine, Chongqing University, No. 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing 402260, China; The Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering and Faculty of Medical Sciences, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China
| | - Meng Wang
- Bioengineering College and Graduate School, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China
| | - Yiguo Zhang
- Chongqing University Jiangjin Hospital, School of Medicine, Chongqing University, No. 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing 402260, China; The Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering and Faculty of Medical Sciences, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400044, China.
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Griñán‐Ferré C, Jarné‐Ferrer J, Bellver‐Sanchís A, Codony S, Puigoriol‐Illamola D, Sanfeliu C, Oh Y, Lee S, Vázquez S, Pallàs M. Novel molecular mechanism driving neuroprotection after soluble epoxide hydrolase inhibition: Insights for Alzheimer's disease therapeutics. CNS Neurosci Ther 2024; 30:e14511. [PMID: 37905690 PMCID: PMC11017401 DOI: 10.1111/cns.14511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 09/21/2023] [Accepted: 10/09/2023] [Indexed: 11/02/2023] Open
Abstract
BACKGROUND Neuroinflammation is widely recognized as a significant hallmark of Alzheimer's disease (AD). To combat neuroinflammation, the inhibition of the soluble epoxide hydrolase (sEH) enzyme has been demonstrated crucial. Importantly, sEH inhibition could be related to other neuroprotective pathways described in AD. AIMS The aim of the study was to unveil new molecular pathways driving neuroprotection through sEH, we used an optimized, potent, and selective sEH inhibitor (sEHi, UB-SCG-51). MATERIALS AND METHODS UB-SCG-51 was tested in neuroblastoma cell line, SH-SY5Y, in primary mouse and human astrocytes cultures challenged with proinflammatory insults and in microglia cultures treated with amyloid oligomers, as well as in mice AD model (5XFAD). RESULTS UB-SCG-51 (10 and 30 μM) prevented neurotoxic reactive-astrocyte conversion in primary mouse astrocytes challenged with TNF-α, IL-1α, and C1q (T/I/C) combination for 24 h. Moreover, in microglial cultures, sEHi reduced inflammation and glial activity. In addition, UB-SCG-51 rescued 5XFAD cognitive impairment, reducing the number of Amyloid-β plaques and Tau hyperphosphorylation accompanied by a reduction in neuroinflammation and apoptotic markers. Notably, a transcriptional profile analysis revealed a new pathway modulated by sEHi treatment. Specifically, the eIF2α/CHOP pathway, which promoted the endoplasmic reticulum response, was increased in the 5XFAD-treated group. These findings were confirmed in human primary astrocytes by combining sEHi and eIF2α inhibitor (eIF2αi) treatment. Besides, combining both treatments resulted in increased in C3 gene expression after T/I/C compared with the group treated with sEHi alone in cultures. DISCUSSION Therefore, sEHi rescued cognitive impairment and neurodegeneration in AD mice model, based on the reduction of inflammation and eIF2α/CHOP signaling pathway. CONCLUSIONS In whole, our results support the concept that targeting neuroinflammation through sEH inhibition is a promising therapeutic strategy to fight against Alzheimer's disease with additive and/or synergistic activities targeting neuroinflammation and cell stress.
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Affiliation(s)
- Christian Griñán‐Ferré
- Department of Pharmacology and Therapeutic ChemistryInstitut de Neurociències‐Universitat de BarcelonaBarcelonaSpain
- Centro de Investigación en Red, Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos IIIMadridSpain
| | - Júlia Jarné‐Ferrer
- Department of Pharmacology and Therapeutic ChemistryInstitut de Neurociències‐Universitat de BarcelonaBarcelonaSpain
| | - Aina Bellver‐Sanchís
- Department of Pharmacology and Therapeutic ChemistryInstitut de Neurociències‐Universitat de BarcelonaBarcelonaSpain
| | - Sandra Codony
- Laboratory of Medicinal Chemistry (CSIC Associated Unit), Faculty of Pharmacy and Food Sciences, Institute of Biomedicine (IBUB)University of Barcelona (UB)BarcelonaSpain
| | - Dolors Puigoriol‐Illamola
- Department of Pharmacology and Therapeutic ChemistryInstitut de Neurociències‐Universitat de BarcelonaBarcelonaSpain
| | - Coral Sanfeliu
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC)BarcelonaSpain
| | - Yumin Oh
- Neuraly Inc.MarylandGaithersburgUSA
| | | | - Santiago Vázquez
- Laboratory of Medicinal Chemistry (CSIC Associated Unit), Faculty of Pharmacy and Food Sciences, Institute of Biomedicine (IBUB)University of Barcelona (UB)BarcelonaSpain
| | - Mercè Pallàs
- Department of Pharmacology and Therapeutic ChemistryInstitut de Neurociències‐Universitat de BarcelonaBarcelonaSpain
- Centro de Investigación en Red, Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos IIIMadridSpain
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Ijaz M, Nadeem N, Hamza A, Almutairi M, Atique U. Didymin protects against polystyrene nanoplastic-induced hepatic damage in male albino rats by modulation of Nrf-2/Keap-1 pathway. Braz J Med Biol Res 2024; 57:e13173. [PMID: 38265346 PMCID: PMC10802227 DOI: 10.1590/1414-431x2023e13173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 12/11/2023] [Indexed: 01/25/2024] Open
Abstract
Polystyrene nanoplastics (PS-NPs) are ubiquitous environmental pollutants that can cause oxidative stress in various organs, including the liver. Didymin is a dietary flavanone that displays multiple pharmacological activities. Therefore, the present study evaluated the palliative role of didymin against PS-NPs-induced hepatic damage in rats. Albino rats (n=48) were randomly distributed into 4 groups: control, PS-NPs treated group, PS-NPs + didymin co-administered group, and didymin supplemented group. After 30 days, PS-NPs intoxication lowered the expression of Nrf-2 and anti-oxidant genes [catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reductase (GSR), glutathione-S-transferase (GST), and heme oxygenase-1 (HO-1)], whereas the expression of KEAP1 kelch like ECH associated protein 1 (Keap-1) was increased. PS-NPs exposure also reduced the activities of anti-oxidants enzymes (CAT, SOD, GPx, GSR, GST, GSH, and OH-1), while malondialdehyde (MDA) and reactive oxygen species (ROS) levels were increased. The levels of alanine transaminase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP) were increased in PS-NPs-exposed rats. Moreover, inflammatory indices [interleukin-1β (IL-1β), tumor necrosis factor alpha (TNF-α), interleukin-6 (IL-6), nuclear factor-kappa B (NF-κB), and cyclooxygenase-2 (COX-2)] were increased in PS-NPs-exposed rats. Furthermore, PS-NPs intoxication increased the expressions of apoptotic markers including Bax and Caspase-3, as well as reducing Bcl-2 expression. The histopathological analysis showed significant damage in PS-NPs-treated rats. However, didymin supplementation ameliorated all the PS-NPs-induced damage in the liver of rats. Therefore, it was concluded that didymin can act as a remedy against PS-NPs-induced liver toxicity due to its anti-apoptotic, anti-oxidant, and anti-inflammatory activities.
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Affiliation(s)
- M.U. Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - N. Nadeem
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - A. Hamza
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - M.H. Almutairi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - U. Atique
- College of Biological Systems, Chungnam National University, Daejeon, South Korea
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Ijaz MU, Rafi Z, Hamza A, Sayed AA, Albadrani GM, Al-Ghadi MQ, Abdel-Daim MM. Mitigative potential of kaempferide against polyethylene microplastics induced testicular damage by activating Nrf-2/Keap-1 pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 269:115746. [PMID: 38035520 DOI: 10.1016/j.ecoenv.2023.115746] [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: 09/17/2023] [Revised: 11/13/2023] [Accepted: 11/24/2023] [Indexed: 12/02/2023]
Abstract
Polyethylene microplastics (PE-MPs) are one of the environmental contaminants that instigate oxidative stress (OS) in various organs of the body, including testes. Kaempferide (KFD) is a plant-derived natural flavonol with potential neuroprotective, hepatoprotective, anti-cancer, anti-oxidant and anti-inflammatory properties. Therefore, the present study was designed to evaluate the alleviative effects of KFD against PE-MPs-prompted testicular toxicity in rats. Fourty eight adult male albino rats were randomly distributed into 4 groups: control, PE-MPs-administered (1.5 mgkg-1), PE-MPs (1.5 mgkg-1) + KFD (20 mgkg-1) co-treated and KFD (20 mgkg-1) only treated group. PE-MPs intoxication significantly (P < 0.05) lowered the expression of Nrf-2 and anti-oxidant enzymes, while increasing the expression of Keap-1. The activities of anti-oxidants i.e., catalase (CAT), glutathione reductase (GSR), superoxide dismutase (SOD), hemeoxygene-1 (HO-1) and glutathione peroxidase (GPx) were reduced, besides malondialdehyde (MDA) and reactive oxygen species (ROS) contents were increased significantly (P < 0.05) following the PE-MPs exposure. Moreover, PE-MPs exposure significantly (P < 0.05) reduced the sperm motility, viability and count, whereas considerably (P < 0.05) increased the dead sperm number and sperm structural anomalies. Furthermore, PE-MPs remarkably (P < 0.05) decreased steroidogenic enzymes and Bcl-2 expression, while increasing the expression of Caspase-3 and Bax. PE-MPs exposure significantly (P < 0.05) reduced the levels of follicle-stimulating hormone (FSH), luteinizing hormone (LH) and testosterone, whereas inflammatory indices were increased. PE-MPs exposure also induced significant histopathological damages in the testes. Nevertheless, KFD supplementation significantly (P < 0.05) abrogated all the damages induced by PE-MPs. The findings of our study demonstrated that KFD could significantly attenuate PE-MPs-instigated OS and testicular toxicity, due to its anti-oxidant, anti-inflammatory, androgenic and anti-apoptotic potential.
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Affiliation(s)
- Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad 38040, Pakistan.
| | - Zainab Rafi
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad 38040, Pakistan
| | - Ali Hamza
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad 38040, Pakistan
| | - Amany A Sayed
- Department of Zoology, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Ghadeer M Albadrani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, 84428, Riyadh 11671, Saudi Arabia
| | - Muath Q Al-Ghadi
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia; Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt.
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Daskou M, Fotooh Abadi L, Gain C, Wong M, Sharma E, Kombe Kombe AJ, Nanduri R, Kelesidis T. The Role of the NRF2 Pathway in the Pathogenesis of Viral Respiratory Infections. Pathogens 2023; 13:39. [PMID: 38251346 PMCID: PMC10819673 DOI: 10.3390/pathogens13010039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/23/2024] Open
Abstract
In humans, acute and chronic respiratory infections caused by viruses are associated with considerable morbidity and mortality. Respiratory viruses infect airway epithelial cells and induce oxidative stress, yet the exact pathogenesis remains unclear. Oxidative stress activates the transcription factor NRF2, which plays a key role in alleviating redox-induced cellular injury. The transcriptional activation of NRF2 has been reported to affect both viral replication and associated inflammation pathways. There is complex bidirectional crosstalk between virus replication and the NRF2 pathway because virus replication directly or indirectly regulates NRF2 expression, and NRF2 activation can reversely hamper viral replication and viral spread across cells and tissues. In this review, we discuss the complex role of the NRF2 pathway in the regulation of the pathogenesis of the main respiratory viruses, including coronaviruses, influenza viruses, respiratory syncytial virus (RSV), and rhinoviruses. We also summarize the scientific evidence regarding the effects of the known NRF2 agonists that can be utilized to alter the NRF2 pathway.
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Affiliation(s)
- Maria Daskou
- Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Leila Fotooh Abadi
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (L.F.A.); (R.N.)
| | - Chandrima Gain
- Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Michael Wong
- Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Eashan Sharma
- Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Arnaud John Kombe Kombe
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (L.F.A.); (R.N.)
| | - Ravikanth Nanduri
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (L.F.A.); (R.N.)
| | - Theodoros Kelesidis
- Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (L.F.A.); (R.N.)
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Ran H, He Q, Han Y, Wang J, Wang H, Yue B, Zhang M, Chai Z, Cai X, Zhong J, Wang H. Functional study and epigenetic targets analyses of SIRT1 in intramuscular preadipocytes via ChIP-seq and mRNA-seq. Epigenetics 2023; 18:2135194. [PMID: 36264146 PMCID: PMC9980681 DOI: 10.1080/15592294.2022.2135194] [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] [Indexed: 11/03/2022] Open
Abstract
The SIRT1 epigenetic regulator is involved in hepatic lipid homoeostasis. However, the role of SIRT1 in regulating intramuscular fat deposition as well as the pathways and potential epigenetic targets involved remain unknown. Herein, we investigate SIRT1 function, its genome-wide epigenetic target profile, and transcriptomic changes under SIRT1 overexpression during yak intramuscular preadipocytes differentiation. To this end, we analysed the relationship between SIRT1 and intramuscular fat content as well as lipid metabolism-related genes in longissimus dorsi tissue. We found that SIRT1 expression negatively correlates with intramuscular fat content as well as with the expression of genes related to lipid synthesis, while positively correlating with that of fatty acid oxidation-involved genes. SIRT1 overexpression in intramuscular preadipocytes significantly reduced adipose differentiation marker expression, intracellular triacylglycerol content, and lipid deposition. Chromatin immunoprecipitation coupled with high-throughput sequencing of H3K4ac (a known direct target of SIRT1) and high-throughput mRNA sequencing results revealed that SIRT1 may regulate intramuscular fat deposition via three potential new transcription factors (NRF1, NKX3.1, and EGR1) and four genes (MAPK1, RXRA, AGPAT1, and HADH) implicated in protein processing within the endoplasmic reticulum pathway and the MAPK signalling pathway in yaks. Our study provides novel insights into the role of SIRT1 in regulating yak intramuscular fat deposition and may help clarify the mechanistic determinants of yak meat characteristics.
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Affiliation(s)
- Hongbiao Ran
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Qiuya He
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, People's Republic of China
| | - Yuting Han
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Jikun Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Haibo Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Binglin Yue
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Ming Zhang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Zhixin Chai
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Xin Cai
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Jincheng Zhong
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
| | - Hui Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People's Republic of China
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Ijaz MU, Khalil M, Hamza A, Khatoon A. Attenuative effects of tamarixetin against polystyrene microplastics-induced hepatotoxicity in rats by regulation of Nrf-2/Keap-1 pathway. Cell Biochem Funct 2023; 41:1451-1461. [PMID: 38009818 DOI: 10.1002/cbf.3885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/02/2023] [Accepted: 11/03/2023] [Indexed: 11/29/2023]
Abstract
Polystyrene microplastics (PS-MPs) are environmental contaminants due to their potential to induce damages in multiple organs specifically liver. Tamarixetin (TMT) is a naturally occurring flavonoid present in Tamarix ramosissima plant that exhibits multiple pharmacological properties. Therefore, the present research was designed to evaluate the palliative role of TMT against PS-MPs instigated liver dysfunction in rats. The exposure to PS-MPs reduced the expressions of nuclear factor erythroid 2-related factor 2 and antioxidant genes, while increasing the expression of Kelch-like ECH-associated protein 1. PS-MPs exposed rats exhibited considerably (p < .05) higher alkaline phosphatase (ALP), aspartate aminotransferase (AST) as well as alanine aminotransferase (ALT) contents. Additionally, PS-MPs treatment resulted in a notable decrease in anti-oxidants activity, that is, glutathione S-transferase (GST), superoxide dismutase (SOD), heme oxygenase-1 (HO-1), glutathione reductase (GSR), glutathione peroxidase (GPx), catalase (CAT) and glutathione (GSH) content, whereas upregulating reactive oxygen species (ROS) and malondialdehyde (MDA) contents. Moreover, PS-MPs intoxication noticeably increased (p < .05) the inflammatory indices (interleukin-1ß [IL-1ß], nuclear factor kappa B [NF-κB], interleukin-6 [IL-6], tumor necrosis factor-α [TNF-α] levels, and cyclooxygenase-2 [COX-2] activity). Besides, Caspase-3 and Bax expressions were upregulated and Bcl-2 expression was decreased after PS-MPs exposure. Additionally, the histomorphological examination revealed notable hepatic damage in PS-MPs treated group. However, TMT treatment substantially (p < .05) recovered all the PS-MPs-induced damages and histopathological changes. Taken together, it can be deduced that TMT might be used as a pharmacological agent to ameliorate hepatic damage.
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Affiliation(s)
- Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - Mehrab Khalil
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - Ali Hamza
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - Aisha Khatoon
- Department of Pathology, University of Agriculture, Faisalabad, Pakistan
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Liu Q, Duan SB, Wang L, Luo XQ, Wang HS, Deng YH, Wu X, Wu T, Yan and P, Kang YX. Apelin-13 alleviates contrast-induced acute kidney injury by inhibiting endoplasmic reticulum stress. Ren Fail 2023; 45:2179852. [PMID: 37723076 PMCID: PMC9970253 DOI: 10.1080/0886022x.2023.2179852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/08/2023] [Indexed: 02/24/2023] Open
Abstract
Contrast-induced acute kidney injury (CI-AKI) is a severe complication associated with significant morbidity and mortality, and effective therapeutic strategies are still lacking. Apelin is an endogenous physiological regulator with antioxidative, anti-inflammatory and antiapoptotic properties. However, the role of apelin-13 in CI-AKI remains unclear. In our study, we found that the protein expression levels of apelin were significantly downregulated in rat kidney tissues and HK-2 cells during contrast media treatment. Moreover, we explored the protective effect of apelin-13 on renal tubule damage using in vitro and in vivo models of CI-AKI. Exogenous apelin-13 ameliorated endoplasmic reticulum stress, reactive oxygen species and apoptosis protein expression in contrast media-treated cells and rat kidney tissues. Mechanistically, the downregulation of endoplasmic reticulum stress contributed critically to the antiapoptotic effect of apelin-13. Collectively, our findings reveal the inherent mechanisms by which apelin-13 regulates CI-AKI and provide a prospective target for the prevention of CI-AKI.
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Affiliation(s)
- Qian Liu
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Shao-Bin Duan
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Lin Wang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Xiao-Qin Luo
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Hong-Shen Wang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Ying-Hao Deng
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Xi Wu
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Ting Wu
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Ping Yan and
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
| | - Yi-Xin Kang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha410011, China
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10
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Han W, Li H, Jiang H, Xu H, Lin Y, Chen J, Bi C, Liu Z. Progress in the mechanism of autophagy and traditional Chinese medicine herb involved in alcohol-related liver disease. PeerJ 2023; 11:e15977. [PMID: 37727691 PMCID: PMC10506582 DOI: 10.7717/peerj.15977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 08/07/2023] [Indexed: 09/21/2023] Open
Abstract
Alcohol-related liver disease (ALD) is chronic liver damage caused by long-term heavy drinking with, extremely complicated pathogenesis. The current studies speculated that excessive alcohol and its metabolites are the major causes of liver cell toxicity. Autophagy is evolutionarily conserved in eukaryotes and aggravates alcoholic liver damage, through various mechanisms, such as cellular oxidative stress, inflammation, mitochondrial damage and lipid metabolism disorders. Therefore, autophagy plays an critical role in the occurrence and development of ALD. Some studies have shown that traditional Chinese medicine extracts improve the histological characteristics of ALD, as reflected in the improvement of oxidative stress and lipid droplet clearance, which might be achieved by inducing autophagy. This article reviews the mechanisms of quercetin, baicalin, glycycoumarin, salvianolic acid A, resveratrol, ginsenoside rg1, and dihydromyricetin inducing autophagy and their participation in the inhibition of ALD. The regulation of autophagy in ALD by these traditional Chinese medicine extracts provides novel ideas for the treatment of the disease; however, its molecular mechanism needs to be elucidated further.
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Affiliation(s)
- Wenwen Han
- Department of Medical Laboratory, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Haiyu Li
- Department of Medical Laboratory, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Hanqi Jiang
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Hang Xu
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Yifeng Lin
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Jiahuan Chen
- Department of Medical Laboratory, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Chenchen Bi
- Department of Clinical Medicine, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Zheng Liu
- Department of Pharmacology, School of Medicine, Shaoxing University, Shaoxing, Zhejiang Province, China
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11
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Liu X, Xu C, Xiao W, Yan N. Unravelling the role of NFE2L1 in stress responses and related diseases. Redox Biol 2023; 65:102819. [PMID: 37473701 PMCID: PMC10404558 DOI: 10.1016/j.redox.2023.102819] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/02/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023] Open
Abstract
The nuclear factor erythroid 2 (NF-E2)-related factor 1 (NFE2L1, also known as Nrf1) is a highly conserved transcription factor that belongs to the CNC-bZIP subfamily. Its significance lies in its control over redox balance, proteasome activity, and organ integrity. Stress responses encompass a series of compensatory adaptations utilized by cells and organisms to cope with extracellular or intracellular stress initiated by stressful stimuli. Recently, extensive evidence has demonstrated that NFE2L1 plays a crucial role in cellular stress adaptation by 1) responding to oxidative stress through the induction of antioxidative responses, and 2) addressing proteotoxic stress or endoplasmic reticulum (ER) stress by regulating the ubiquitin-proteasome system (UPS), unfolded protein response (UPR), and ER-associated degradation (ERAD). It is worth noting that NFE2L1 serves as a core factor in proteotoxic stress adaptation, which has been extensively studied in cancer and neurodegeneration associated with enhanced proteasomal stress. In these contexts, utilization of NFE2L1 inhibitors to attenuate proteasome "bounce-back" response holds tremendous potential for enhancing the efficacy of proteasome inhibitors. Additionally, abnormal stress adaptations of NFE2L1 and disturbances in redox and protein homeostasis contribute to the pathophysiological complications of cardiovascular diseases, inflammatory diseases, and autoimmune diseases. Therefore, a comprehensive exploration of the molecular basis of NFE2L1 and NFE2L1-mediated diseases related to stress responses would not only facilitate the identification of novel diagnostic and prognostic indicators but also enable the identification of specific therapeutic targets for NFE2L1-related diseases.
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Affiliation(s)
- Xingzhu Liu
- Queen Mary College, Nanchang University, Nanchang, Jiangxi, 330031, China; School of Biological and Biomedical Sciences, Queen Mary University of London, London, United Kingdom
| | - Chang Xu
- Queen Mary College, Nanchang University, Nanchang, Jiangxi, 330031, China; School of Biological and Biomedical Sciences, Queen Mary University of London, London, United Kingdom
| | - Wanglong Xiao
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200127, China
| | - Nianlong Yan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang, Jiangxi, 330006, China.
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12
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Liu Z, Nan P, Gong Y, Tian L, Zheng Y, Wu Z. Endoplasmic reticulum stress-triggered ferroptosis via the XBP1-Hrd1-Nrf2 pathway induces EMT progression in diabetic nephropathy. Biomed Pharmacother 2023; 164:114897. [PMID: 37224754 DOI: 10.1016/j.biopha.2023.114897] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/06/2023] [Accepted: 05/16/2023] [Indexed: 05/26/2023] Open
Abstract
Diabetic nephropathy (DN) is characterized by tubulointerstitial fibrosis caused by epithelial-mesenchymal transition (EMT) of renal tubular epithelial cells. Although ferroptosis promotes DN development, the specific pathological process that is affected by ferroptosis in DN remains unclear. Herein, EMT-related changes, including increased α-smooth muscle actin (α-SMA) and Vimentin expression and decreased E-cadherin expression, were observed in the renal tissues of streptozotocin-induced DN mice and high glucose-cultured human renal proximal tubular (HK-2) cells. Treatment with ferrostatin-1 (Fer-1) ameliorated these changes and rescued renal pathological injury in diabetic mice. Interestingly, endoplasmic reticulum stress (ERS) was activated during EMT progression in DN. Inhibiting ERS improved the expression of EMT-associated indicators and further rescued the characteristic changes in ferroptosis caused by high glucose, including reactive oxygen species (ROS) accumulation, iron overload, increased lipid peroxidation product generation, and reduced mitochondrial cristae. Moreover, overexpression of XBP1 increased Hrd1 expression and inhibited NFE2-related factor 2 (Nrf2) expression, which could enhance cell susceptibility to ferroptosis. Co-immunoprecipitation (Co-IP) and ubiquitylation assays indicated that Hrd1 interacted with and ubiquitinated Nrf2 under high-glucose conditions. Collectively, our results demonstrated that ERS triggers ferroptosis-related EMT progression through the XBP1-Hrd1-Nrf2 pathway, which provides new insights into potential mechanisms for delaying EMT progression in DN.
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Affiliation(s)
- Zijun Liu
- NHC Key Laboratory of Hormones and Development, Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin 300134, China; Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University, Tianjin 300134, China.
| | - Ping Nan
- Department of Obster & Gynecol, Shengli Oilfield Center Hospital, Dongying, Shandong 257000, China.
| | - Yihui Gong
- NHC Key Laboratory of Hormones and Development, Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin 300134, China; Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University, Tianjin 300134, China.
| | - Ling Tian
- NHC Key Laboratory of Hormones and Development, Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin 300134, China; Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University, Tianjin 300134, China.
| | - Yin Zheng
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China; Shandong Institute of Endocrine and Metabolic Diseases, Jinan, Shandong 250021, China.
| | - Zhongming Wu
- NHC Key Laboratory of Hormones and Development, Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin 300134, China; Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University, Tianjin 300134, China; Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China; Shandong Institute of Endocrine and Metabolic Diseases, Jinan, Shandong 250021, China.
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13
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Milk Fat Globule Membrane Relieves Fatigue via Regulation of Oxidative Stress and Gut Microbiota in BALB/c Mice. Antioxidants (Basel) 2023; 12:antiox12030712. [PMID: 36978962 PMCID: PMC10045747 DOI: 10.3390/antiox12030712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/16/2023] Open
Abstract
Milk fat globule membranes (MFGMs) are complex structures that incorporate bioactive proteins and lipids to assist in infant development. However, the antifatigue and antioxidant potentials of MFGM have not been investigated. In this study, repeated force swimming measured fatigue in male BALB/c mice fed MFGM and saline for 18 weeks. The MFGM supplementation increased the time to exhaustion by 42.7% at 6 weeks and 30.6% at 14 weeks (p < 0.05). Fatigue and injury-related biomarkers, including blood glucose, lactic acid, and lactate dehydrogenase, were ameliorated after free swimming (p < 0.05). The activity of antioxidant enzymes in blood serum increased at 18 weeks, while malondialdehyde (MDA) content decreased by 45.0% after the MFGM supplementation (p < 0.05). The Pearson correlation analysis showed a high correlation between fatigue-related indices and antioxidant levels. The increased protein expression of hepatic Nrf2 reduced the protein expression of Caspase-3 in the gastrocnemius muscle (p < 0.05). Moreover, the MFGM supplementation increased the relative abundance of Bacteroides, Butyricimonas, and Anaerostipes. Our results demonstrate that MFGM may maintain redox homeostasis to relieve fatigue, suggesting the potential application of MFGM as an antifatigue and antioxidant dietary supplement.
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14
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Walber S, Partalidou G, Gerling‐Driessen UIM. NGLY1 Deficiency: A Rare Genetic Disorder Unlocks Therapeutic Potential for Common Diseases. Isr J Chem 2022. [DOI: 10.1002/ijch.202200068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Simon Walber
- Institute of Organic and Macromolecular Chemistry Heinrich Heine University Duesseldorf Universitaetsstrasse 1 40225 Duesseldorf Germany
| | - Georgia Partalidou
- Institute of Organic and Macromolecular Chemistry Heinrich Heine University Duesseldorf Universitaetsstrasse 1 40225 Duesseldorf Germany
| | - Ulla I. M. Gerling‐Driessen
- Institute of Organic and Macromolecular Chemistry Heinrich Heine University Duesseldorf Universitaetsstrasse 1 40225 Duesseldorf Germany
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15
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Li D, Wang T, Lai J, Zeng D, Chen W, Zhang X, Zhu X, Zhang G, Hu Z. Silencing TRPM2 enhanced erastin- and RSL3-induced ferroptosis in gastric cancer cells through destabilizing HIF-1α and Nrf2 proteins. Cytotechnology 2022; 74:559-577. [PMID: 36238268 PMCID: PMC9525503 DOI: 10.1007/s10616-022-00545-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 07/25/2022] [Indexed: 11/03/2022] Open
Abstract
Ferroptosis is a regulated form of cell death driven by small molecules or conditions that induce lipid-based reactive oxygen species (ROS) accumulation. Cation channel transient receptor potential melastatin-2 (TRPM2) is crucial for cancer cell survival. Our bioinformatic analysis revealed that TRPM2 is associated with cellular responses to chemical stimulus and oxidative stress, implying the potential role of TRPM2 in ferroptosis. Gastric cancer cells were treated with the ferroptosis-inducer, Erastin and RSL3. siRNA transfection was used to silence TRPM2. The levels of GSH, Fe2+, ROS and lipid peroxidation, and the activity of GPx activity were evaluated by flow cytometry and spectrophotometer. The effect of TRPM2 on ubiquitination of HIF-1α and Nrf2 were evaluated by co-immunoprecipitation. Erastin and RSL3 induced the up-regulation of TRPM2 in gastric cancer cell lines, especially in SGC7901 and MGC803. These two cells also showed stronger resistance to Erastin and RSL3 than the other cell lines. TRPM2 knockdown reduced the concentration of GSH and GPx activity, but enhanced the concentration of Fe2+, ROS and lipid peroxidation, which are significant indicators of ferroptosis. Importantly, silencing TRPM2 enhanced the inhibitory effects of Erastin and RSL3 on gastric cancer cell viability, migration, and invasion. TRPM2 stabilized and finally elevated the abundance of HIF-1α and Nrf2 in SGC7901 and MGC803 cells upon Erastin and RSL3. Activation of HIF-1α impaired Erastin- and RSL3-induced ferroptosis after TRPM2 knockdown. Collectively, silencing TRPM2 enhanced Erastin- and RSL3-induced ferroptosis in gastric cancer cells through destabilizing HIF-1α and Nrf2 proteins. Supplementary Information The online version contains supplementary material available at 10.1007/s10616-022-00545-z.
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Affiliation(s)
- Dingyun Li
- Department of Gastrointestinal Surgery, Yue Bei People’s Hospital, No.133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Ting Wang
- Department of Physical Diagnosis, Yue Bei People’s Hospital, No. 133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Jiajun Lai
- Department of Gastrointestinal Surgery, Yue Bei People’s Hospital, No.133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Deqiang Zeng
- Department of Gastrointestinal Surgery, Yue Bei People’s Hospital, No.133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Weijuan Chen
- Clinical Laboratory, Yue Bei People’s Hospital, No. 133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Xiaochong Zhang
- Department of Gastrointestinal Surgery, Yue Bei People’s Hospital, No.133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Xiaofeng Zhu
- Department of Gastrointestinal Surgery, Yue Bei People’s Hospital, No.133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Guoxiong Zhang
- Department of Gastrointestinal Surgery, Yue Bei People’s Hospital, No.133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
| | - Zhiwei Hu
- Department of Gastrointestinal Surgery, Yue Bei People’s Hospital, No.133 Huimin South Road, Wujiang District, Shaoguan, 512026 Guangdong China
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16
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Normal and Pathological NRF2 Signalling in the Central Nervous System. Antioxidants (Basel) 2022; 11:antiox11081426. [PMID: 35892629 PMCID: PMC9394413 DOI: 10.3390/antiox11081426] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 11/17/2022] Open
Abstract
The nuclear factor erythroid 2-related factor 2 (NRF2) was originally described as a master regulator of antioxidant cellular response, but in the time since, numerous important biological functions linked to cell survival, cellular detoxification, metabolism, autophagy, proteostasis, inflammation, immunity, and differentiation have been attributed to this pleiotropic transcription factor that regulates hundreds of genes. After 40 years of in-depth research and key discoveries, NRF2 is now at the center of a vast regulatory network, revealing NRF2 signalling as increasingly complex. It is widely recognized that reactive oxygen species (ROS) play a key role in human physiological and pathological processes such as ageing, obesity, diabetes, cancer, and neurodegenerative diseases. The high oxygen consumption associated with high levels of free iron and oxidizable unsaturated lipids make the brain particularly vulnerable to oxidative stress. A good stability of NRF2 activity is thus crucial to maintain the redox balance and therefore brain homeostasis. In this review, we have gathered recent data about the contribution of the NRF2 pathway in the healthy brain as well as during metabolic diseases, cancer, ageing, and ageing-related neurodegenerative diseases. We also discuss promising therapeutic strategies and the need for better understanding of cell-type-specific functions of NRF2 in these different fields.
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17
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Cui X, Zhang Y, Lu Y, Xiang M. ROS and Endoplasmic Reticulum Stress in Pulmonary Disease. Front Pharmacol 2022; 13:879204. [PMID: 35559240 PMCID: PMC9086276 DOI: 10.3389/fphar.2022.879204] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 03/11/2022] [Indexed: 12/25/2022] Open
Abstract
Pulmonary diseases are main causes of morbidity and mortality worldwide. Current studies show that though specific pulmonary diseases and correlative lung-metabolic deviance own unique pathophysiology and clinical manifestations, they always tend to exhibit common characteristics including reactive oxygen species (ROS) signaling and disruptions of proteostasis bringing about accumulation of unfolded or misfolded proteins in the endoplasmic reticulum (ER). ER is generated by the unfolded protein response. When the adaptive unfolded protein response (UPR) fails to preserve ER homeostasis, a maladaptive or terminal UPR is engaged, leading to the disruption of ER integrity and to apoptosis, which is called ER stress. The ER stress mainly includes the accumulation of misfolded and unfolded proteins in lumen and the disorder of Ca2+ balance. ROS mediates several critical aspects of the ER stress response. We summarize the latest advances in of the UPR and ER stress in the pathogenesis of pulmonary disease and discuss potential therapeutic strategies aimed at restoring ER proteostasis in pulmonary disease.
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Affiliation(s)
- Xiangning Cui
- Department of Cardiovascular, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yang Zhang
- First Clinical Medical School, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yingdong Lu
- Department of Cardiovascular, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Mi Xiang
- Department of Cardiovascular, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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18
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Bardallo RG, Panisello‐Roselló A, Sanchez‐Nuno S, Alva N, Roselló‐Catafau J, Carbonell T. Nrf2 and Oxidative Stress in liver Ischemia/Reperfusion Injury. FEBS J 2021; 289:5463-5479. [PMID: 34967991 DOI: 10.1111/febs.16336] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 11/18/2021] [Accepted: 12/29/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Raquel G. Bardallo
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
| | - Arnau Panisello‐Roselló
- Experimental Pathology Department Institute of Biomedical Research of Barcelona (IIBB) CSIC‐IDIBAPS Barcelona Spain
| | - Sergio Sanchez‐Nuno
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
| | - Norma Alva
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
| | - Joan Roselló‐Catafau
- Experimental Pathology Department Institute of Biomedical Research of Barcelona (IIBB) CSIC‐IDIBAPS Barcelona Spain
| | - Teresa Carbonell
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
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19
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Hepatocyte-Specific Deficiency of BAP31 Amplified Acetaminophen-Induced Hepatotoxicity via Attenuating Nrf2 Signaling Activation in Mice. Int J Mol Sci 2021; 22:ijms221910788. [PMID: 34639126 PMCID: PMC8509202 DOI: 10.3390/ijms221910788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/28/2021] [Accepted: 09/30/2021] [Indexed: 01/18/2023] Open
Abstract
Liver-specific deficiency of B-cell receptor-associated protein 31 knockout mice (BAP31-LKO) and the littermates were injected with acetaminophen (APAP), markers of liver injury, and the potential molecular mechanisms were determined. In response to APAP overdose, serum aspartate aminotransferase and alanine aminotransferase levels were increased in BAP31-LKO mice than in wild-type controls, accompanied by enhanced liver necrosis. APAP-induced apoptosis and mortality were increased. Hepatic glutathione was decreased (1.60 ± 0.31 μmol/g tissue in WT mice vs. 0.85 ± 0.14 μmol/g tissue in BAP31-LKO mice at 6 h, p < 0.05), along with reduced glutathione reductase activity and superoxide dismutase; while malondialdehyde was significantly induced (0.41 ± 0.03 nmol/mg tissue in WT mice vs. 0.50 ± 0.05 nmol/mg tissue in BAP31-LKO mice for 6 h, p < 0.05). JNK signaling activation and APAP-induced hepatic inflammation were increased in BAP31-LKO mice. The mechanism research revealed that BAP31-deficiency decreased Nrf2 mRNA stability (half-life of Nrf2 mRNA decreased from ~1.3 h to ~40 min) and miR-223 expression, led to reduced nuclear factor erythroid 2-related factor 2 (Nrf2) signaling activation and antioxidant genes induction. BAP31-deficiency decreased mitochondrial membrane potentials, reduced mitochondria-related genes expression, and resulted in mitochondrial dysfunction in the liver. Conclusions: BAP31-deficiency reduced the antioxidant response and Nrf2 signaling activation via reducing Nrf2 mRNA stabilization, enhanced JNK signaling activation, hepatic inflammation, and apoptosis, amplified APAP-induced hepatotoxicity in mice.
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20
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Claudiani S, Mason CC, Milojkovic D, Bianchi A, Pellegrini C, Di Marco A, Fiol CR, Robinson M, Ponnusamy K, Mokretar K, Chowdhury A, Albert M, Reid AG, Deininger MW, Naresh K, Apperley JF, Khorashad JS. Carfilzomib Enhances the Suppressive Effect of Ruxolitinib in Myelofibrosis. Cancers (Basel) 2021; 13:cancers13194863. [PMID: 34638347 PMCID: PMC8507927 DOI: 10.3390/cancers13194863] [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: 08/30/2021] [Revised: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 11/16/2022] Open
Abstract
As the first FDA-approved tyrosine kinase inhibitor for treatment of patients with myelofibrosis (MF), ruxolitinib improves clinical symptoms but does not lead to eradication of the disease or significant reduction of the mutated allele burden. The resistance of MF clones against the suppressive action of ruxolitinib may be due to intrinsic or extrinsic mechanisms leading to activity of additional pro-survival genes or signalling pathways that function independently of JAK2/STAT5. To identify alternative therapeutic targets, we applied a pooled-shRNA library targeting ~5000 genes to a JAK2V617F-positive cell line under a variety of conditions, including absence or presence of ruxolitinib and in the presence of a bone marrow microenvironment-like culture medium. We identified several proteasomal gene family members as essential to HEL cell survival. The importance of these genes was validated in MF cells using the proteasomal inhibitor carfilzomib, which also enhanced lethality in combination with ruxolitinib. We also showed that proteasome gene expression is reduced by ruxolitinib in MF CD34+ cells and that additional targeting of proteasomal activity by carfilzomib enhances the inhibitory action of ruxolitinib in vitro. Hence, this study suggests a potential role for proteasome inhibitors in combination with ruxolitinib for management of MF patients.
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Affiliation(s)
- Simone Claudiani
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Clinton C. Mason
- Department of Pediatrics, Division of Pediatric Hematology and Oncology, University of Utah, Salt Lake City, UT 84108, USA;
| | - Dragana Milojkovic
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Andrea Bianchi
- Department of Information Engineering, University of L’Aquila, 67100 L’Aquila, Italy; (A.B.); (A.D.M.)
| | - Cristina Pellegrini
- Department of Biotechnological and Applied Clinical Science, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Antinisca Di Marco
- Department of Information Engineering, University of L’Aquila, 67100 L’Aquila, Italy; (A.B.); (A.D.M.)
| | - Carme R. Fiol
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Mark Robinson
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Kanagaraju Ponnusamy
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Katya Mokretar
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Avirup Chowdhury
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Michael Albert
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Alistair G. Reid
- Molecular Pathology Unit, Liverpool University, Liverpool L7 8XP, UK;
| | - Michael W. Deininger
- Versiti Blood Research Institute, Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
| | - Kikkeri Naresh
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Jane F. Apperley
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
| | - Jamshid S. Khorashad
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College, London W12 0NN, UK; (S.C.); (D.M.); (C.R.F.); (M.R.); (K.P.); (K.M.); (A.C.); (M.A.); (K.N.); (J.F.A.)
- Correspondence:
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21
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Human-Specific Regulation of Neurotrophic Factors MANF and CDNF by microRNAs. Int J Mol Sci 2021; 22:ijms22189691. [PMID: 34575854 PMCID: PMC8466963 DOI: 10.3390/ijms22189691] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 12/16/2022] Open
Abstract
Mesencephalic astrocyte derived neurotrophic factor (MANF) and cerebral dopamine neurotrophic factor (CDNF) are novel evolutionary conserved trophic factors, which exhibit cytoprotective activity via negative regulation of unfolded protein response (UPR) and inflammation. Despite multiple reports demonstrating detrimental effect of MANF/CDNF downregulation, little is known about the control of their expression. miRNAs—small non-coding RNAs—are important regulators of gene expression. Their dysregulation was demonstrated in multiple pathological processes and their ability to modulate levels of other neurotrophic factors, glial cell line-derived neurotrophic factor (GDNF) and brain-derived neurotrophic factor (BDNF), was previously reported. Here, for the first time we demonstrated direct regulation of MANF and CDNF by miRNAs. Using bioinformatic tools, reporter assay and analysis of endogenous MANF and CDNF, we identified that miR-144 controls MANF expression, and miR-134 and miR-141 downregulate CDNF levels. We also demonstrated that this effect is human-specific and is executed via predicted binding sites of corresponding miRNAs. Finally, we found that miR-382 suppressed hCDNF expression indirectly. In conclusion, we demonstrate for the first time direct regulation of MANF and CDNF expression by specific miRNAs, despite the fact their binding sites are not strongly evolutionary conserved. Furthermore, we demonstrate a functional effect of miR-144 mediated regulation of MANF on ER stress response markers. These findings emphasize that (1) prediction of miRNA targets based on evolutionary conservation may miss biologically meaningful regulatory pairs; and (2) interpretation of miRNA regulatory effects in animal models should be cautiously validated.
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22
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Zhou Y, Murugan DD, Khan H, Huang Y, Cheang WS. Roles and Therapeutic Implications of Endoplasmic Reticulum Stress and Oxidative Stress in Cardiovascular Diseases. Antioxidants (Basel) 2021; 10:antiox10081167. [PMID: 34439415 PMCID: PMC8388996 DOI: 10.3390/antiox10081167] [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: 06/03/2021] [Revised: 07/18/2021] [Accepted: 07/21/2021] [Indexed: 12/12/2022] Open
Abstract
In different pathological states that cause endoplasmic reticulum (ER) calcium depletion, altered glycosylation, nutrient deprivation, oxidative stress, DNA damage or energy perturbation/fluctuations, the protein folding process is disrupted and the ER becomes stressed. Studies in the past decade have demonstrated that ER stress is closely associated with pathogenesis of obesity, insulin resistance and type 2 diabetes. Excess nutrients and inflammatory cytokines associated with metabolic diseases can trigger or worsen ER stress. ER stress plays a critical role in the induction of endothelial dysfunction and atherosclerosis. Signaling pathways including AMP-activated protein kinase and peroxisome proliferator-activated receptor have been identified to regulate ER stress, whilst ER stress contributes to the imbalanced production between nitric oxide (NO) and reactive oxygen species (ROS) causing oxidative stress. Several drugs or herbs have been proved to protect against cardiovascular diseases (CVD) through inhibition of ER stress and oxidative stress. The present article reviews the involvement of ER stress and oxidative stress in cardiovascular dysfunction and the potential therapeutic implications.
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Affiliation(s)
- Yan Zhou
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau 999078, China;
| | - Dharmani Devi Murugan
- Department of Pharmacology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia;
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan 23200, Pakistan;
| | - Yu Huang
- School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong 999077, China;
| | - Wai San Cheang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau 999078, China;
- Correspondence: ; Tel.: +853-8822-4914
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23
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D'Errico M, Parlanti E, Pascucci B, Filomeni G, Mastroberardino PG, Dogliotti E. The interplay between mitochondrial functionality and genome integrity in the prevention of human neurologic diseases. Arch Biochem Biophys 2021; 710:108977. [PMID: 34174223 DOI: 10.1016/j.abb.2021.108977] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/18/2021] [Accepted: 06/19/2021] [Indexed: 12/23/2022]
Abstract
As mitochondria are vulnerable to oxidative damage and represent the main source of reactive oxygen species (ROS), they are considered key tuners of ROS metabolism and buffering, whose dysfunction can progressively impact neuronal networks and disease. Defects in DNA repair and DNA damage response (DDR) may also affect neuronal health and lead to neuropathology. A number of congenital DNA repair and DDR defective syndromes, indeed, show neurological phenotypes, and a growing body of evidence indicate that defects in the mechanisms that control genome stability in neurons acts as aging-related modifiers of common neurodegenerative diseases such as Alzheimer, Parkinson's, Huntington diseases and Amyotrophic Lateral Sclerosis. In this review we elaborate on the established principles and recent concepts supporting the hypothesis that deficiencies in either DNA repair or DDR might contribute to neurodegeneration via mechanisms involving mitochondrial dysfunction/deranged metabolism.
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Affiliation(s)
| | - Eleonora Parlanti
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
| | - Barbara Pascucci
- Institute of Crystallography, Consiglio Nazionale Delle Ricerche, Rome, Italy
| | - Giuseppe Filomeni
- Redox Biology, Danish Cancer Society Research Center, Copenhagen, Denmark; Center for Healthy Aging, Copenhagen University, Copenhagen, Denmark; Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Pier Giorgio Mastroberardino
- Department of Molecular Genetics, Erasmus MC, Rotterdam, the Netherlands; IFOM- FIRC Institute of Molecular Oncology, Milan, Italy; Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Eugenia Dogliotti
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy.
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24
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Antimicrobial Activity and Protective Effect of Tuscan Bee Pollens on Oxidative and Endoplasmic Reticulum Stress in Different Cell-Based Models. Foods 2021; 10:foods10061422. [PMID: 34207468 PMCID: PMC8235197 DOI: 10.3390/foods10061422] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/10/2021] [Accepted: 06/15/2021] [Indexed: 11/17/2022] Open
Abstract
Bee pollen is an apiary product of great interest owing to its high nutritional and therapeutic properties. This study aimed to assess the cellular antioxidant activity and the antihemolytic effect of Castanea, Rubus, and Cistus bee pollens on human erythrocytes. We also tested the antimicrobial potential of each sample on selected Gram-negative and Gram-positive bacteria. Finally, the effect of Castanea bee pollen, showing the best phytochemical profile, was analyzed on human microvascular endothelial cells exposed to thapsigargin, used as endoplasmic reticulum (ER) stressor. Our results showed good biological activities of all bee pollen samples that, under oxidative conditions, significantly improved the erythrocytes’ antioxidant activity and limited cell lyses. Castanea and Cistus showed comparable antihemolytic activities, with higher % hemolysis inhibition than Rubus. All samples exerted antimicrobial activity with different selectivity among all the tested microorganisms with minimal inhibitory concentration values ranging from 5 to 10 mg/mL. Finally, Castanea bee pollen was effective in reducing gene over-expression and oxidation process arising from thapsigargin treatment, with a maximum protective effect at 10 µg/mL. In conclusion, bee pollen represents a potential natural antibacterial and a good nutraceutical product useful in the prevention of free radical and ER stress-associated diseases.
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25
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Xia X, Zhang X, Liu M, Duan M, Zhang S, Wei X, Liu X. Toward improved human health: efficacy of dietary selenium on immunity at the cellular level. Food Funct 2021; 12:976-989. [PMID: 33443499 DOI: 10.1039/d0fo03067h] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Selenium, an essential trace element in the body, participates in various biological processes in the form of selenoproteins. In humans, a suitable concentration of selenium is essential for maintaining normal cellular function. Decreased levels of selenoproteins can lead to obstruction of the normal physiological functions of tissues and cells and even death. In addition, the level of selenium in the body affects cellular immunity, humoral immunity, and the balance between type 2 and type 1 helper T cells. Selenium can affect the immune function of the body through the reactive oxygen species (ROS), NF-κB, ferroptosis and NRF2 pathways. This paper reviews the immune effect of selenium on the body and the process of signal transduction and aims to serve as a reference for follow-up studies of immune function and research on the development of new selenium compounds and active targets.
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Affiliation(s)
- Xiaojing Xia
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang 453003, Henan, PR China.
| | - Xiulin Zhang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, Shanxi, PR China
| | - Mingcheng Liu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang 453003, Henan, PR China.
| | - Mingyuan Duan
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang 453003, Henan, PR China.
| | - Shanshan Zhang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang 453003, Henan, PR China.
| | - Xiaobing Wei
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang 453003, Henan, PR China.
| | - Xingyou Liu
- Xinxiang University, Xinxiang 453003, Henan, PR China.
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26
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Mozzini C, Setti A, Cicco S, Pagani M. The Most Severe Paradigm of Early Cardiovascular Disease: Hutchinson-Gilford Progeria. Focus on the Role of Oxidative Stress. Curr Probl Cardiol 2021; 47:100900. [PMID: 34167843 DOI: 10.1016/j.cpcardiol.2021.100900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 05/20/2021] [Indexed: 12/14/2022]
Abstract
Oxidative stress (OS) is one of the most frequently recognized causes of ageing. Telomere erosion, defects in the DNA damage response and alterations in the nuclear architecture are also associated with premature ageing. The most severe premature ageing syndrome, Hutchinson-Gilford progeria syndrome (HGPS) is associated with alterations in nuclear shape resulting in the deregulation of lamin A/C. In this review we describe emerging data reporting the role of OS and antioxidant defence in progeroid syndromes focusing on HGPS. We explore precise antioxidant defence mechanisms and related drugs that may create a potential path out of the woods in this disease. Pathways regulated by Nuclear factor E2 related factor (Nrf2), by Nuclear Factor kappa B (NF-kB), and related to the Unfolded Protein Response (UPR) and Endoplasmic Reticulum (ER) stress are under investigation in HGPS patients for which the goal is a significant lifespan extension in particular by postponing atherosclerosis-related complications.
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Affiliation(s)
- Chiara Mozzini
- Department of Medicine, Section of Internal Medicine, Carlo Poma Hospital, Mantova Italy.
| | - Angela Setti
- Department of Medicine, Section of Internal Medicine, University of Verona, Verona, Italy.
| | - Sebastiano Cicco
- Unit of Internal Medicine "Guido Baccelli", Department of Biomedical Sciences and Human Oncology University of Bari, Aldo Moro Medical School, Bari, Italy.
| | - Mauro Pagani
- Department of Medicine, Section of Internal Medicine, Carlo Poma Hospital, Mantova Italy.
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27
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Harris R, Randle S, Laman H. Analysis of the FBXO7 promoter reveals overlapping Pax5 and c-Myb binding sites functioning in B cells. Biochem Biophys Res Commun 2021; 554:41-48. [PMID: 33774278 PMCID: PMC8082276 DOI: 10.1016/j.bbrc.2021.03.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 03/10/2021] [Indexed: 02/03/2023]
Abstract
Fbxo7 is a key player in the differentiation and function of numerous blood cell types, and in neurons, oligodendrocytes and spermatocytes. In an effort to gain insight into the physiological and pathological settings where Fbxo7 is likely to play a key role, we sought to define the transcription factors which direct FBXO7 expression. Using sequence alignments across 28 species, we defined the human FBXO7 promoter and found that it contains two conserved regions enriched for multiple transcription factor binding sites. Many of these have roles in either neuronal or haematopoietic development. Using various FBXO7 promoter reporters, we found ELF4, Pax5 and c-Myb have functional binding sites that activate transcription. We find endogenous Pax5 is bound to the FBXO7 promoter in pre-B cells, and that the exogenous expression of Pax5 represses Fbxo7 transcription in early pro-B cells.
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Affiliation(s)
- Rebecca Harris
- University of Cambridge, Department of Pathology, Tennis Court Road, Cambridge, CB2 1QP, United Kingdom
| | - Suzanne Randle
- University of Cambridge, Department of Pathology, Tennis Court Road, Cambridge, CB2 1QP, United Kingdom
| | - Heike Laman
- University of Cambridge, Department of Pathology, Tennis Court Road, Cambridge, CB2 1QP, United Kingdom.
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28
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Iuchi K, Takai T, Hisatomi H. Cell Death via Lipid Peroxidation and Protein Aggregation Diseases. BIOLOGY 2021; 10:399. [PMID: 34064409 PMCID: PMC8147787 DOI: 10.3390/biology10050399] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/13/2021] [Accepted: 04/29/2021] [Indexed: 12/16/2022]
Abstract
Lipid peroxidation of cellular membranes is a complicated cellular event, and it is both the cause and result of various diseases, such as ischemia-reperfusion injury, neurodegenerative diseases, and atherosclerosis. Lipid peroxidation causes non-apoptotic cell death, which is associated with cell fate determination: survival or cell death. During the radical chain reaction of lipid peroxidation, various oxidized lipid products accumulate in cells, followed by organelle dysfunction and the induction of non-apoptotic cell death. Highly reactive oxidized products from unsaturated fatty acids are detected under pathological conditions. Pathological protein aggregation is the general cause of these diseases. The cellular response to misfolded proteins is well-known as the unfolded protein response (UPR) and it is partially concomitant with the response to lipid peroxidation. Moreover, the association between protein aggregation and non-apoptotic cell death by lipid peroxidation is attracting attention. The link between lipid peroxidation and protein aggregation is a matter of concern in biomedical fields. Here, we focus on lethal protein aggregation in non-apoptotic cell death via lipid peroxidation. We reviewed the roles of protein aggregation in the initiation and execution of non-apoptotic cell death. We also considered the relationship between protein aggregation and oxidized lipid production. We provide an overview of non-apoptotic cell death with a focus on lipid peroxidation for therapeutic targeting during protein aggregation diseases.
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Affiliation(s)
- Katsuya Iuchi
- Department of Materials and Life Science, Faculty of Science and Technology, Seikei University, 3-3-1 Kichijojikitamachi, Musashino-shi, Tokyo 180-8633, Japan; (T.T.); (H.H.)
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29
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Song MY, Lee DY, Chun KS, Kim EH. The Role of NRF2/KEAP1 Signaling Pathway in Cancer Metabolism. Int J Mol Sci 2021; 22:4376. [PMID: 33922165 PMCID: PMC8122702 DOI: 10.3390/ijms22094376] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/14/2021] [Accepted: 04/20/2021] [Indexed: 12/17/2022] Open
Abstract
The nuclear factor-erythroid 2 p45-related factor 2 (NRF2, also called Nfe2l2) and its cytoplasmic repressor, Kelch-like ECH-associated protein 1 (KEAP1), are major regulators of redox homeostasis controlling a multiple of genes for detoxification and cytoprotective enzymes. The NRF2/KEAP1 pathway is a fundamental signaling cascade responsible for the resistance of metabolic, oxidative stress, inflammation, and anticancer effects. Interestingly, a recent accumulation of evidence has indicated that NRF2 exhibits an aberrant activation in cancer. Evidence has shown that the NRF2/KEAP1 signaling pathway is associated with the proliferation of cancer cells and tumerigenesis through metabolic reprogramming. In this review, we provide an overview of the regulatory molecular mechanism of the NRF2/KEAP1 pathway against metabolic reprogramming in cancer, suggesting that the regulation of NRF2/KEAP1 axis might approach as a novel therapeutic strategy for cancers.
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Affiliation(s)
- Moon-Young Song
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Seongnam 13488, Korea; (M.-Y.S.); (D.-Y.L.)
| | - Da-Young Lee
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Seongnam 13488, Korea; (M.-Y.S.); (D.-Y.L.)
| | - Kyung-Soo Chun
- College of Pharmacy, Keimyung University, Daegu 42601, Korea
| | - Eun-Hee Kim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Seongnam 13488, Korea; (M.-Y.S.); (D.-Y.L.)
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30
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Chyau CC, Wu HL, Peng CC, Huang SH, Chen CC, Chen CH, Peng RY. Potential Protection Effect of ER Homeostasis of N 6-(2-Hydroxyethyl)adenosine Isolated from Cordyceps cicadae in Nonsteroidal Anti-Inflammatory Drug-Stimulated Human Proximal Tubular Cells. Int J Mol Sci 2021; 22:ijms22041577. [PMID: 33557248 PMCID: PMC7913954 DOI: 10.3390/ijms22041577] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 01/31/2021] [Accepted: 02/01/2021] [Indexed: 02/06/2023] Open
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) belong to a class of universally and commonly used anti-inflammatory analgesics worldwide. A diversity of drawbacks of NSAIDs have been reported including cellular oxidative stress, which in turn triggers the accumulation of unfolded proteins, enhancing endoplasmic reticulum stress, and finally resulting in renal cell damage. Cordyceps cicadae (CC) has been used as a traditional medicine for improving renal function via its anti-inflammatory effects. N6-(2-hydroxyethyl)adenosine (HEA), a physiologically active compound, has been reported from CC mycelia (CCM) with anti-inflammatory effects. We hypothesize that HEA could protect human proximal tubular cells (HK–2) from NSAID-mediated effects on differential gene expression at the mRNA and protein levels. To verify this, we first isolated HEA from CCM using Sephadex® LH–20 column chromatography. The MTT assay revealed HEA to be nontoxic up to 100 µM toward HK–2 cells. The HK–2 cells were pretreated with HEA (10–20 µM) and then insulted with the NSAIDs diclofenac (DCF, 200 µM) and meloxicam (MXC, 400 µM) for 24 h. HEA (20 µM) effectively prevented ER stress by attenuating ROS production (p < 0.001) and gene expression of ATF–6, PERK, IRE1α, CDCFHOP, IL1β, and NFκB within 24 h. Moreover, HEA reversed the increase of GRP78 and CHOP protein expression levels induced by DCF and MXC, and restored the ER homeostasis. These results demonstrated that HEA treatments effectively protect against DCF- and MXC-induced ER stress damage in human proximal tubular cells through regulation of the GRP78/ATF6/PERK/IRE1α/CHOP pathway.
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Affiliation(s)
- Charng-Cherng Chyau
- Research Institute of Biotechnology, Hungkuang University, Taichung 43302, Taiwan; (H.-L.W.); (S.-H.H.)
- Correspondence: (C.-C.C.); (R.Y.P.)
| | - Huei-Lin Wu
- Research Institute of Biotechnology, Hungkuang University, Taichung 43302, Taiwan; (H.-L.W.); (S.-H.H.)
| | - Chiung-Chi Peng
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan;
| | - Shiau-Huei Huang
- Research Institute of Biotechnology, Hungkuang University, Taichung 43302, Taiwan; (H.-L.W.); (S.-H.H.)
| | - Chin-Chu Chen
- Grape King Biotechnology Center, Chung-Li City 320054, Taiwan;
| | - Cheng-Hsu Chen
- Department of Nephrology, Taichung Veterans General Hospital, Taichung 40705, Taiwan;
| | - Robert Y. Peng
- Research Institute of Biotechnology, Hungkuang University, Taichung 43302, Taiwan; (H.-L.W.); (S.-H.H.)
- Correspondence: (C.-C.C.); (R.Y.P.)
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31
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Mytych J, Sołek P, Będzińska A, Rusinek K, Warzybok A, Tabęcka-Łonczyńska A, Koziorowski M. Klotho-mediated changes in the expression of Atg13 alter formation of ULK1 complex and thus initiation of ER- and Golgi-stress response mediated autophagy. Apoptosis 2020; 25:57-72. [PMID: 31732843 DOI: 10.1007/s10495-019-01579-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In the previous paper of our group, we have demonstrated that one of the crucial factors involved in the crosstalk between autophagy and apoptosis is klotho protein. We have shown that klotho silencing in normal human fibroblasts intensifies lipopolysaccharide (LPS)-induced p-eIF2a-mediated stress of endoplasmic reticulum and thus leads to retardation of prosurvival autophagy and induction of apoptotic cell death. In this study, we have performed a detailed step-by-step analysis of autophagy flux-related genes' expression and endoplasmic reticulum and Golgi stress related pathways in order to determine the exact mechanistic event when autophagy is inhibited in klotho-deficient cells on account of apoptosis initiation. We provide evidence that klotho-silencing in LPS-treated cells results in differential course of ER- and Golgi-mediated stress response. Further, we show that in klotho-deficient cells formation of ULK1 complex is inhibited and thus autophagy initiation is blocked on the account of apoptosis activation, while in the control cells cytoprotective autophagy is activated. Finally, in klotho-deficient cells formation of ULK1 complex is prevented by downregulated expression of Atg13. Thus, this study suggests a novel targeting pathway for efficient elimination of autophagy-deficient cells.
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Affiliation(s)
- Jennifer Mytych
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland.
| | - Przemysław Sołek
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Agnieszka Będzińska
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Kinga Rusinek
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Aleksandra Warzybok
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Anna Tabęcka-Łonczyńska
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Marek Koziorowski
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
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32
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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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Abstract
Acute Respiratory Distress Syndrome is a severe disorder affecting thousands of individuals worldwide. The available medical countermeasures do not sufficiently suppress the unacceptable high mortality rates associated with those in need. Thus, intense efforts aim to delineate the function of the lung endothelium, so to deliver new therapeutic approaches against this disease. The present manuscript attempts to shed light on the interrelations between the unfolded protein response and autophagy towards lung disease, to deliver a new line of possible therapeutic approaches against the ferocious Acute Respiratory Distress Syndrome.
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Affiliation(s)
- Mohammad S Akhter
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
| | - Mohammad A Uddin
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
| | - Khadeja-Tul Kubra
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
| | - Nektarios Barabutis
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
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Progeria, atherosclerosis and clonal hematopoiesis: links and future perspectives. Mech Ageing Dev 2020; 192:111365. [PMID: 33007346 DOI: 10.1016/j.mad.2020.111365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 08/26/2020] [Accepted: 09/22/2020] [Indexed: 11/20/2022]
Abstract
The main actors of this review are Hutchinson-Gilford progeria syndrome (HGPS) and atherosclerosis. HGPS is a very rare disease with no definitively approved specific drugs. Atherosclerosis is a very common disease with a more consolidated treatment strategy. Nevertheless, common mechanisms are shared by both these diseases, particularly related to inflammation, oxidative and endoplasmic reticulum (ER) stress. Pathways regulated by Nuclear factor E2 related factor (Nrf2), Nuclear factor kappa B (NF-kB) and related to the Unfolded Protein Response (UPR) and ER stress are receiving increasing attention. In HGPS "not omnia" happen(s) "cum tempore", that means that HGPS patients have atherosclerotic complications before their time. The third actor is clonal hematopoiesis: it constitutes a link between ageing and atherosclerosis. This review aims to analyse the current knowledge of atherosclerosis and clonal hematopoiesis in order to suggest therapeutic strategies to correct the timing of the atherosclerosis progression in HGPS. The goal for HGPS is a shift from "not omnia cum tempore" to "omnia cum tempore" in terms of significant lifespan extension by postponing atherosclerosis-related complications.
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Moroso M, Verlhac P, Ferraris O, Rozières A, Carbonnelle C, Mély S, Endtz HP, Peyrefitte CN, Paranhos-Baccalà G, Viret C, Faure M. Crimean-Congo hemorrhagic fever virus replication imposes hyper-lipidation of MAP1LC3 in epithelial cells. Autophagy 2020; 16:1858-1870. [PMID: 31905032 PMCID: PMC8386629 DOI: 10.1080/15548627.2019.1709765] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 12/15/2019] [Accepted: 12/18/2019] [Indexed: 01/28/2023] Open
Abstract
Crimean-Congo hemorrhagic fever virus (CCHFV) is a virus that causes severe liver dysfunctions and hemorrhagic fever, with high mortality rate. Here, we show that CCHFV infection caused a massive lipidation of LC3 in hepatocytes. This lipidation was not dependent on ATG5, ATG7 or BECN1, and no signs for recruitment of the alternative ATG12-ATG3 pathway for lipidation was found. Both virus replication and protein synthesis were required for the lipidation of LC3. Despite an augmented transcription of SQSTM1, the amount of proteins did not show a massive and sustained increase in infected cells, indicating that degradation of SQSTM1 by macroautophagy/autophagy was still occurring. The genetic alteration of autophagy did not influence the production of CCHFV particles demonstrating that autophagy was not required for CCHFV replication. Thus, the results indicate that CCHFV multiplication imposes an overtly elevated level of LC3 mobilization that involves a possibly novel type of non-canonical lipidation. Abbreviations: BECN1: Beclin 1; CCHF: Crimean-Congo hemorrhagic fever; CCHFV: Crimean-Congo hemorrhagic fever virus; CHX: cycloheximide; ER: endoplasmic reticulum; GFP: green fluorescent protein; GP: glycoproteins; MAP1LC3: microtubule associated protein 1 light chain 3; MOI: multiplicity of infection; n.i.: non-infected; NP: nucleoprotein; p.i.: post-infection; SQSTM1: sequestosome 1.
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Affiliation(s)
- Marie Moroso
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
- Emerging Pathogens Laboratory, Fondation Mérieux, Lyon, France
| | - Pauline Verlhac
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
| | - Olivier Ferraris
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
- Emerging Pathogens Laboratory, Fondation Mérieux, Lyon, France
- Département Microbiologie et Maladies Infectieuses, Biomedical Research Institute of the French Army (IRBA), Brétigny-sur-Orge, France
| | - Aurore Rozières
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
| | | | - Stéphane Mély
- Laboratoire P4 Inserm-Jean Mérieux, US003 Inserm, Lyon, France
| | - Hubert P. Endtz
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
- Emerging Pathogens Laboratory, Fondation Mérieux, Lyon, France
| | - Christophe N. Peyrefitte
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
- Emerging Pathogens Laboratory, Fondation Mérieux, Lyon, France
- Département Microbiologie et Maladies Infectieuses, Biomedical Research Institute of the French Army (IRBA), Brétigny-sur-Orge, France
| | - Glaucia Paranhos-Baccalà
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
- Emerging Pathogens Laboratory, Fondation Mérieux, Lyon, France
| | - Christophe Viret
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
| | - Mathias Faure
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Lyon, France
- Equipe Labellisée par la Fondation pour la Recherche Médicale, FRM, France
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36
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Panieri E, Telkoparan-Akillilar P, Suzen S, Saso L. The NRF2/KEAP1 Axis in the Regulation of Tumor Metabolism: Mechanisms and Therapeutic Perspectives. Biomolecules 2020; 10:biom10050791. [PMID: 32443774 PMCID: PMC7277620 DOI: 10.3390/biom10050791] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/17/2020] [Accepted: 05/19/2020] [Indexed: 02/07/2023] Open
Abstract
The NRF2/KEAP1 pathway is a fundamental signaling cascade that controls multiple cytoprotective responses through the induction of a complex transcriptional program that ultimately renders cancer cells resistant to oxidative, metabolic and therapeutic stress. Interestingly, accumulating evidence in recent years has indicated that metabolic reprogramming is closely interrelated with the regulation of redox homeostasis, suggesting that the disruption of NRF2 signaling might represent a valid therapeutic strategy against a variety of solid and hematologic cancers. These aspects will be the focus of the present review.
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Affiliation(s)
- Emiliano Panieri
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence: (E.P.); (L.S.); Tel.: +39-06-4991-2481 (E.P. & L.S.)
| | - Pelin Telkoparan-Akillilar
- Department of Medical Biology, Faculty of Medicine, Yuksek Ihtisas University, 06520 Balgat, Ankara, Turkey;
| | - Sibel Suzen
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, 06100 Tandogan, Ankara, Turkey;
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence: (E.P.); (L.S.); Tel.: +39-06-4991-2481 (E.P. & L.S.)
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37
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Progressive Rotavirus Infection Downregulates Redox-Sensitive Transcription Factor Nrf2 and Nrf2-Driven Transcription Units. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7289120. [PMID: 32322337 PMCID: PMC7165344 DOI: 10.1155/2020/7289120] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/31/2020] [Accepted: 02/10/2020] [Indexed: 12/13/2022]
Abstract
Eukaryotic cells adopt highly tuned stress response physiology under threats of exogenous stressors including viruses to maintain cellular homeostasis. Not surprisingly, avoidance of cellular stress response pathways is an essential facet of virus-induced obligatory host reprogramming to invoke a cellular environment conducive to viral perpetuation. Adaptive cellular responses to oxidative and electrophilic stress are usually taken care of by an antioxidant defense system, core to which lies the redox-responsive transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) and Nrf2-driven transcriptional cascade. Deregulation of host redox balance and redox stress-sensitive Nrf2 antioxidant defense have been reported for many viruses. In the current study, we aimed to study the modulation of the Nrf2-based host cellular redox defense system in response to Rotavirus (RV) infection in vitro. Interestingly, we found that Nrf2 protein levels decline sharply with progression of RV infection beyond an initial upsurge. Moreover, Nrf2 decrease as a whole was found to be accompanied by active nuclear vacuity of Nrf2, resulting in lowered expression of stress-responsive Nrf2 target genes heme oxygenase-1 (HO-1), NAD(P)H quinone dehydrogenase 1, and superoxide dismutase 1 both in the presence and absence of Nrf2-driven transcriptional inducers. Initial induction of Nrf2 concurred with RV-induced early burst of oxidative stress and therefore was sensitive to treatments with antioxidants. Reduction of Nrf2 levels beyond initial hours, however, was found to be independent of the cellular redox status. Furthermore, increasing the half-life of Nrf2 through inhibition of the Kelch-like erythroid cell-derived protein with CNC homology- (ECH-) associated protein 1/Cullin3-RING Box1-based canonical Nrf2 turnover pathway could not restore Nrf2 levels post RV-SA11 infection. Depletion of the Nrf2/HO-1 axis was subsequently found to be sensitive to proteasome inhibition with concurrent observation of increased K48-linked ubiquitination associated with Nrf2. Together, the present study describes robust downregulation of Nrf2-dependent cellular redox defense beyond initial hours of RV infection, justifying our previous observation of potent antirotaviral implications of Nrf2 agonists.
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38
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Wang X, Meul T, Meiners S. Exploring the proteasome system: A novel concept of proteasome inhibition and regulation. Pharmacol Ther 2020; 211:107526. [PMID: 32173559 DOI: 10.1016/j.pharmthera.2020.107526] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 03/08/2020] [Indexed: 12/13/2022]
Abstract
The proteasome is a well-identified therapeutic target for cancer treatment. It acts as the main protein degradation system in the cell and degrades key mediators of cell growth, survival and function. The term "proteasome" embraces a whole family of distinct complexes, which share a common proteolytic core, the 20S proteasome, but differ by their attached proteasome activators. Each of these proteasome complexes plays specific roles in the control of cellular function. In addition, distinct proteasome interacting proteins regulate proteasome activity in subcellular compartments and in response to cellular signals. Proteasome activators and regulators may thus serve as building blocks to fine-tune proteasome function in the cell according to cellular needs. Inhibitors of the proteasome, e.g. the FDA approved drugs Velcade™, Kyprolis™, Ninlaro™, inactivate the catalytic 20S core and effectively block protein degradation of all proteasome complexes in the cell resulting in inhibition of cell growth and induction of apoptosis. Efficacy of these inhibitors, however, is hampered by their pronounced cytotoxic side-effects as well as by the emerging development of resistance to catalytic proteasome inhibitors. Targeted inhibition of distinct buiding blocks of the proteasome system, i.e. proteasome activators or regulators, represents an alternative strategy to overcome these limitations. In this review, we stress the importance of the diversity of the proteasome complexes constituting an entire proteasome system. Our building block concept provides a rationale for the defined targeting of distinct proteasome super-complexes in disease. We thereby aim to stimulate the development of innovative therapeutic approaches beyond broad catalytic proteasome inhibition.
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Affiliation(s)
- Xinyuan Wang
- Comprehensive Pneumology Center (CPC), University Hospital of the Ludwig-Maximilians-University (LMU) and Helmholtz Zentrum München, German Center for Lung Research (DZL), 81377 Munich, Germany
| | - Thomas Meul
- Comprehensive Pneumology Center (CPC), University Hospital of the Ludwig-Maximilians-University (LMU) and Helmholtz Zentrum München, German Center for Lung Research (DZL), 81377 Munich, Germany
| | - Silke Meiners
- Comprehensive Pneumology Center (CPC), University Hospital of the Ludwig-Maximilians-University (LMU) and Helmholtz Zentrum München, German Center for Lung Research (DZL), 81377 Munich, Germany.
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39
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Morris G, Puri BK, Walker AJ, Berk M, Walder K, Bortolasci CC, Marx W, Carvalho AF, Maes M. The compensatory antioxidant response system with a focus on neuroprogressive disorders. Prog Neuropsychopharmacol Biol Psychiatry 2019; 95:109708. [PMID: 31351160 DOI: 10.1016/j.pnpbp.2019.109708] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 07/16/2019] [Accepted: 07/22/2019] [Indexed: 02/07/2023]
Abstract
Major antioxidant responses to increased levels of inflammatory, oxidative and nitrosative stress (ONS) are detailed. In response to increasing levels of nitric oxide, S-nitrosylation of cysteine thiol groups leads to post-transcriptional modification of many cellular proteins and thereby regulates their activity and allows cellular adaptation to increased levels of ONS. S-nitrosylation inhibits the function of nuclear factor kappa-light-chain-enhancer of activated B cells, toll-like receptor-mediated signalling and the activity of several mitogen-activated protein kinases, while activating nuclear translocation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2 or NFE2L2); in turn, the redox-regulated activation of Nrf2 leads to increased levels and/or activity of key enzymes and transporter systems involved in the glutathione system. The Nrf2/Kelch-like ECH-associated protein-1 axis is associated with upregulation of NAD(P)H:quinone oxidoreductase 1, which in turn has anti-inflammatory effects. Increased Nrf2 transcriptional activity also leads to activation of haem oxygenase-1, which is associated with upregulation of bilirubin, biliverdin and biliverdin reductase as well as increased carbon monoxide signalling, anti-inflammatory and antioxidant activity. Associated transcriptional responses, which may be mediated by retrograde signalling owing to elevated hydrogen peroxide, include the unfolded protein response (UPR), mitohormesis and the mitochondrial UPR; the UPR also results from increasing levels of mitochondrial and cytosolic reactive oxygen species and reactive nitrogen species leading to nitrosylation, glutathionylation, oxidation and nitration of crucial cysteine and tyrosine causing protein misfolding and the development of endoplasmic reticulum stress. It is shown how these mechanisms co-operate in forming a co-ordinated rapid and prolonged compensatory antioxidant response system.
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Affiliation(s)
- Gerwyn Morris
- IMPACT Strategic Research Centre, Barwon Health, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Basant K Puri
- Department of Medicine, Hammersmith Hospital, Imperial College London, London, United Kingdom
| | - Adam J Walker
- IMPACT Strategic Research Centre, Barwon Health, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Michael Berk
- IMPACT Strategic Research Centre, Barwon Health, School of Medicine, Deakin University, Geelong, VIC, Australia; Orygen, The National Centre of Excellence in Youth Mental Health, The Department of Psychiatry, The Florey Institute for Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia
| | - Ken Walder
- CMMR Strategic Research Centre, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Chiara C Bortolasci
- CMMR Strategic Research Centre, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Wolfgang Marx
- IMPACT Strategic Research Centre, Barwon Health, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Andre F Carvalho
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada.
| | - Michael Maes
- IMPACT Strategic Research Centre, Barwon Health, School of Medicine, Deakin University, Geelong, VIC, Australia
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40
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Fang J, Yan Y, Teng X, Wen X, Li N, Peng S, Liu W, Donadeu FX, Zhao S, Hua J. Melatonin prevents senescence of canine adipose-derived mesenchymal stem cells through activating NRF2 and inhibiting ER stress. Aging (Albany NY) 2019; 10:2954-2972. [PMID: 30362962 PMCID: PMC6224246 DOI: 10.18632/aging.101602] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 10/15/2018] [Indexed: 12/23/2022]
Abstract
Transplantation of adipose-derived mesenchymal stem cells (ADMSCs) can aid in the treatment of numerous diseases in animals. However, natural aging during in vitro expansion of ADMSCs prior to their use in transplantation restricts their beneficial effects. Melatonin is reported to exert biorhythm regulation, anti-oxidation, and anti-senescence effects in various animal and cell models. Herein, by using a senescent canine ADMSCs (cADMSCs) cell model subjected to multiple passages in vitro, we investigated the effects of melatonin on ADMSCs senescence. We found that melatonin alleviates endoplasmic reticulum stress (ERS) and cell senescence. MT1/MT2 melatonin receptor inhibitor, luzindole, diminished the mRNA expression levels and rhythm expression amplitude of Bmal1 and Nrf2 genes. Nrf2 knockdown blocked the stimulatory effects of melatonin on endoplasmic reticulum-associated degradation (ERAD)-related gene expression and its inhibitory effects on ERS-related gene expression. At the same time, the inhibitory effects of melatonin on the NF-κB signaling pathway and senescence-associated secretory phenotype (SASP) were blocked by Nrf2 knockdown in cADMSCs. Melatonin pretreatment improved the survival of cADMSCs and enhanced the beneficial effects of cADMSCs transplantation in canine acute liver injury. These results indicate that melatonin activates Nrf2 through the MT1/MT2 receptor pathway, stimulates ERAD, inhibits NF-κB and ERS, alleviates cADMSCs senescence, and improves the efficacy of transplanted cADMSCs.
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Affiliation(s)
- Jia Fang
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
| | - Yuan Yan
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
| | - Xin Teng
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
| | - Xinyu Wen
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
| | - Na Li
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
| | - Sha Peng
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
| | - Wenshuai Liu
- Department of Pathology, Yangling Demonstration Zone Hospital, Yangling, Shaanxi Province, China
| | - F Xavier Donadeu
- Division of Developmental Biology, The Roslin Institute Reader, Royal (Dick) School of Veterinary Studies University of Edinburgh, Easter Bush, Midlothian, EH25 9RG Scotland, UK
| | - Shanting Zhao
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
| | - Jinlian Hua
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A and F University, Yangling, Shaanxi Province, China
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Pulmonary Endothelial Cell Apoptosis in Emphysema and Acute Lung Injury. ADVANCES IN ANATOMY EMBRYOLOGY AND CELL BIOLOGY 2019; 228:63-86. [PMID: 29288386 DOI: 10.1007/978-3-319-68483-3_4] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Apoptosis plays an essential role in homeostasis and pathogenesis of a variety of human diseases. Endothelial cells are exposed to various environmental and internal stress and endothelial apoptosis is a pathophysiological consequence of these stimuli. Pulmonary endothelial cell apoptosis initiates or contributes to progression of a number of lung diseases. This chapter will focus on the current understanding of the role of pulmonary endothelial cell apoptosis in the development of emphysema and acute lung injury (ALI) and the factors controlling pulmonary endothelial life and death.
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42
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The Role of Nrf2 Activity in Cancer Development and Progression. Cancers (Basel) 2019; 11:cancers11111755. [PMID: 31717324 PMCID: PMC6896028 DOI: 10.3390/cancers11111755] [Citation(s) in RCA: 158] [Impact Index Per Article: 31.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/03/2019] [Accepted: 11/05/2019] [Indexed: 12/15/2022] Open
Abstract
Nrf2 is a transcription factor that stimulates the expression of genes which have antioxidant response element-like sequences in their promoter. Nrf2 is a cellular protector, and this principle applies to both normal cells and malignant cells. While healthy cells are protected from DNA damage induced by reactive oxygen species, malignant cells are defended against chemo- or radiotherapy. Through our literature search, we found that Nrf2 activates several oncogenes unrelated to the antioxidant activity, such as Matrix metallopeptidase 9 (MMP-9), B-cell lymphoma 2 (BCL-2), B-cell lymphoma-extra large (BCL-xL), Tumour Necrosis Factor α (TNF-α), and Vascular endothelial growth factor A (VEGF-A). We also did a brief analysis of The Cancer Genome Atlas (TCGA) data of lung adenocarcinoma concerning the effects of radiation therapy and found that the therapy-induced Nrf2 activation is not universal. For instance, in the case of recurrent disease and radiotherapy, we observed that, for the majority of Nrf2-targeted genes, there is no change in expression level. This proves that the universal, axiomatic rationale that Nrf2 is activated as a response to chemo- and radiation therapy is wrong, and that each scenario should be carefully evaluated with the help of Nrf2-targeted genes. Moreover, there were nine genes involved in lipid peroxidation, which showed underexpression in the case of new radiation therapy: ADH1A, ALDH3A1, ALDH3A2, ADH1B, GPX2, ADH1C, ALDH6A1, AKR1C3, and NQO1. This may relate to the fact that, while some studies reported the co-activation of Nrf2 and other oncogenic signaling pathways such as Phosphoinositide 3-kinases (PI3K), mitogen-activated protein kinase (MAPK), and Notch1, other reported the inverse correlation between Nrf2 and the tumor-promoter Transcription Factor (TF), Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB). Lastly, Nrf2 establishes its activity through interactions at multiple levels with various microRNAs. MiR-155, miR-144, miR-28, miR-365-1, miR-93, miR-153, miR-27a, miR-142, miR-29-b1, miR-340, and miR-34a, either through direct repression of Nrf2 messenger RNA (mRNA) in a Kelch-like ECH-associated protein 1 (Keap1)-independent manner or by enhancing the Keap1 cellular level, inhibit the Nrf2 activity. Keap1–Nrf2 interaction leads to the repression of miR-181c, which is involved in the Nuclear factor kappa light chain enhancer of activated B cells (NF-κB) signaling pathway. Nrf2’s role in cancer prevention, diagnosis, prognosis, and therapy is still in its infancy, and the future strategic planning of Nrf2-based oncological approaches should also consider the complex interaction between Nrf2 and its various activators and inhibitors.
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ER Stress Activates the NLRP3 Inflammasome: A Novel Mechanism of Atherosclerosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:3462530. [PMID: 31687078 PMCID: PMC6800950 DOI: 10.1155/2019/3462530] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 08/21/2019] [Accepted: 08/31/2019] [Indexed: 02/06/2023]
Abstract
The endoplasmic reticulum (ER) is an important organelle that regulates several fundamental cellular processes, and ER dysfunction has implications for many intracellular events. The nucleotide-binding oligomerization domain-like receptor family, pyrin domain-containing 3 (NLRP3) inflammasome is an intracellularly produced macromolecular complex that can trigger pyroptosis and inflammation, and its activation is induced by a variety of signals. ER stress has been found to affect NLRP3 inflammasome activation through multiple effects including the unfolded protein response (UPR), calcium or lipid metabolism, and reactive oxygen species (ROS) generation. Intriguingly, the role of ER stress in inflammasome activation has not attracted a great deal of attention. In addition, increasing evidence highlights that both ER stress and NLRP3 inflammasome activation contribute to atherosclerosis (AS). AS is a common cardiovascular disease with complex pathogenesis, and the precise mechanisms behind its pathogenesis remain to be determined. Both ER stress and the NLRP3 inflammasome have emerged as critical individual contributors of AS, and owing to the multiple associations between these two events, we speculate that they contribute to the mechanisms of pathogenesis in AS. In this review, we aim to summarize the molecular mechanisms of ER stress, NLRP3 inflammasome activation, and the cross talk between these two pathways in AS in the hopes of providing new pharmacological targets for AS treatment.
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Bender D, Hildt E. Effect of Hepatitis Viruses on the Nrf2/Keap1-Signaling Pathway and Its Impact on Viral Replication and Pathogenesis. Int J Mol Sci 2019; 20:ijms20184659. [PMID: 31546975 PMCID: PMC6769940 DOI: 10.3390/ijms20184659] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 12/15/2022] Open
Abstract
With respect to their genome and their structure, the human hepatitis B virus (HBV) and hepatitis C virus (HCV) are complete different viruses. However, both viruses can cause an acute and chronic infection of the liver that is associated with liver inflammation (hepatitis). For both viruses chronic infection can lead to fibrosis, cirrhosis and hepatocellular carcinoma (HCC). Reactive oxygen species (ROS) play a central role in a variety of chronic inflammatory diseases. In light of this, this review summarizes the impact of both viruses on ROS-generating and ROS-inactivating mechanisms. The focus is on the effect of both viruses on the transcription factor Nrf2 (nuclear factor erythroid 2 (NF-E2)-related factor 2). By binding to its target sequence, the antioxidant response element (ARE), Nrf2 triggers the expression of a variety of cytoprotective genes including ROS-detoxifying enzymes. The review summarizes the literature about the pathways for the modulation of Nrf2 that are deregulated by HBV and HCV and describes the impact of Nrf2 deregulation on the viral life cycle of the respective viruses and the virus-associated pathogenesis.
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Affiliation(s)
- Daniela Bender
- Department of Virology, Paul-Ehrlich-Institut, Paul-Ehrlich-Straβe 51-59, D-63225 Langen, Germany.
| | - Eberhard Hildt
- Department of Virology, Paul-Ehrlich-Institut, Paul-Ehrlich-Straβe 51-59, D-63225 Langen, Germany.
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NRF1 and NRF2 mRNA and Protein Expression Decrease Early during Melanoma Carcinogenesis: An Insight into Survival and MicroRNAs. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:2647068. [PMID: 31687076 PMCID: PMC6794976 DOI: 10.1155/2019/2647068] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 06/07/2019] [Accepted: 06/25/2019] [Indexed: 02/06/2023]
Abstract
The prognostic significance of the major redox regulator nuclear factor erythroid-2-related factor (NRF2) is recognized in many cancers, but the role of NRF1 is not generally well understood in cancer. Our aim was to investigate these redox transcription factors in conjunction with redox-related microRNAs in naevi and melanoma. We characterized the immunohistochemical expression of NRF1 and NRF2 in 99 naevi, 88 primary skin melanomas, and 67 lymph node metastases. In addition, NRF1 and NRF2 mRNA and miR-23B, miR-93, miR-144, miR-212, miR-340, miR-383, and miR-510 levels were analysed with real-time qPCR from 54 paraffin-embedded naevi and melanoma samples. The immunohistochemical expression of nuclear NRF1 decreased from benign to dysplastic naevi (p < 0.001) and to primary melanoma (p < 0.001) and from primary melanoma to metastatic lesions (p = 0.012). Also, NRF1 mRNA levels decreased from benign naevi to dysplastic naevi (p = 0.034). Similarly, immunopositivity of NRF2 decreased from benign to dysplastic naevi (p = 0.02) and to primary lesions (p = 0.018). NRF2 mRNA decreased from benign to dysplastic naevi and primary melanomas (p = 0.012). Analysis from the Gene Expression Omnibus datasets supported the mRNA findings. High nuclear immunohistochemical NRF1 expression in pigment cells associated with a worse survival (p = 0.048) in patients with N0 disease at the time of diagnosis, and high nuclear NRF2 expression in pigment cells associated with a worse survival (p = 0.033) in patients with M0 disease at the time of diagnosis. In multivariate analysis, neither of these variables exceeded the prognostic power of Breslow. The levels of miR-144 and miR-212 associated positively with ulceration (p = 0.012 and p = 0.027, respectively) while miR-510 levels associated positively with lymph node metastases at the time of diagnosis (p = 0.004). Furthermore, the miRNAs correlated negatively with the immunohistochemical expression of NRF1 and NRF2 but positively with their respective mRNA. Together, this data sheds new light about NFE2L family factors in pigment tumors and suggests that these factors are worth for further explorations.
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Lindsey RC, Cheng S, Mohan S. Vitamin C effects on 5-hydroxymethylcytosine and gene expression in osteoblasts and chondrocytes: Potential involvement of PHD2. PLoS One 2019; 14:e0220653. [PMID: 31390373 PMCID: PMC6685624 DOI: 10.1371/journal.pone.0220653] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 07/20/2019] [Indexed: 12/02/2022] Open
Abstract
Vitamin C (ascorbic acid, AA) is a well-known regulator of bone and cartilage metabolism. However, the mechanisms of AA’s action in these tissues are only partly understood. In this study, we confirmed that AA contributes to bone and cartilage metabolism by showing decreased articular cartilage and trabecular bone in AA-deficient spontaneous fracture (sfx) mutant mice. In vitro, we found that AA exerts differential effects on chondrocyte and osteoblast differentiation. Since AA is known to increase levels of 5-hydroxymethylcytosine (5-hmC) and induce DNA demethylation via the ten-eleven translocases (TETs), and since prolyl hydroxylase domain-containing protein 2 (PHD2), a known mediator of AA’s effects in these tissues, is part of the same enzyme family as the TETs, we next investigated whether increases in 5-hmC might mediate some of these effects. All TETs and PHDs are expressed in chondrocytes and osteoblasts, and PHD2 is localized in both the cytoplasm and nucleus of the cell, lending plausibility to the hypothesis of altered 5-hmC content in these cells. We found that AA treatment increased levels of 5-hmC in both cell types globally, notably including promoter regions of osteoblast differentiation genes. Furthermore, inhibition of PHD2 decreased 5-hmC levels in chondrocyte differentiation gene promoters, and knockdown of Phd2 in chondrocytes reduced global 5-hmC levels, suggesting for the first time that PHD2 may itself directly mediate increases in 5-hmC in chondrocyte and osteoblast genes. Further investigation of this mechanism could lead to novel therapeutic approaches to treat debilitating diseases such as osteoarthritis and osteoporosis.
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Affiliation(s)
- Richard C. Lindsey
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA, United States of America
- Center for Health Disparities and Molecular Medicine, School of Medicine, Loma Linda University, Loma Linda, CA, United States of America
- Division of Biochemistry, Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, United States of America
| | - Shaohong Cheng
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA, United States of America
| | - Subburaman Mohan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA, United States of America
- Center for Health Disparities and Molecular Medicine, School of Medicine, Loma Linda University, Loma Linda, CA, United States of America
- Division of Biochemistry, Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, United States of America
- Department of Medicine, School of Medicine, Loma Linda University, Loma Linda, CA, United States of America
- Department of Orthopedics, School of Medicine, Loma Linda University, Loma Linda, CA, United States of America
- * E-mail:
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Feng Z, Zhou C, Dong S, Liu Z, Liu T, Zhou L, Zhou X. Catalpol and panax notoginseng saponins synergistically alleviate triptolide-induced hepatotoxicity through Nrf2/ARE pathway. Toxicol In Vitro 2019; 56:141-149. [DOI: 10.1016/j.tiv.2019.01.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 01/12/2019] [Accepted: 01/22/2019] [Indexed: 11/25/2022]
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Zhang Z, Zhang L, Zhou L, Lei Y, Zhang Y, Huang C. Redox signaling and unfolded protein response coordinate cell fate decisions under ER stress. Redox Biol 2018; 25:101047. [PMID: 30470534 PMCID: PMC6859529 DOI: 10.1016/j.redox.2018.11.005] [Citation(s) in RCA: 201] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 11/05/2018] [Accepted: 11/07/2018] [Indexed: 02/05/2023] Open
Abstract
Endoplasmic reticulum (ER) is a dynamic organelle orchestrating the folding and post-translational maturation of almost all membrane proteins and most secreted proteins. These proteins synthesized in the ER, need to form disulfide bridge to acquire specific three-dimensional structures for function. The formation of disulfide bridge is mediated via protein disulfide isomerase (PDI) family and other oxidoreductases, which contribute to reactive oxygen species (ROS) generation and consumption in the ER. Therefore, redox regulation of ER is delicate and sensitive to perturbation. Deregulation in ER homeostasis, usually called ER stress, can provoke unfolded protein response (UPR) pathways with an aim to initially restore homeostasis by activating genes involved in protein folding and antioxidative machinery. Over time, however, activated UPR involves a variety of cellular signaling pathways which determine the state and fate of cell in large part (like autophagy, apoptosis, ferroptosis, inflammation, senescence, stemness, and cell cycle, etc.). This review will describe the regulation of UPR from the redox perspective in controlling the cell survival or death, emphasizing the redox modifications of UPR sensors/transducers in the ER.
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Affiliation(s)
- Zhe Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, PR China
| | - Lu Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, PR China
| | - Li Zhou
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, PR China
| | - Yunlong Lei
- Department of Biochemistry and Molecular Biology, and Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, PR China
| | - Yuanyuan Zhang
- Department of Pharmacology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, PR China.
| | - Canhua Huang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, PR China.
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Zhao N, Guo FF, Xie KQ, Zeng T. Targeting Nrf-2 is a promising intervention approach for the prevention of ethanol-induced liver disease. Cell Mol Life Sci 2018; 75:3143-3157. [PMID: 29947925 PMCID: PMC11105722 DOI: 10.1007/s00018-018-2852-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/18/2018] [Accepted: 06/06/2018] [Indexed: 02/07/2023]
Abstract
Alcoholic liver disease (ALD) remains to be a worldwide health problem. It is generally accepted that oxidative stress plays critical roles in the pathogenesis of ALD, and antioxidant therapy represents a logical strategy for the prevention and treatment of ALD. Nuclear factor erythroid-derived 2-like 2 (NFE2L2 or Nrf-2) is essential for the antioxidant responsive element (ARE)-mediated induction of endogenous antioxidant enzymes such as heme oxygenase 1 (HO-1) and glutamate-cysteine ligase [GCL, the rate-limiting enzyme in the synthesis of glutathione (GSH)]. Activation of Nrf-2 pathway by genetic manipulation or pharmacological agents has been demonstrated to provide protection against ALD, which suggests that targeting Nrf-2 may be a promising approach for the prevention and treatment of ALD. Herein, we review the relevant literature about the potential hepatoprotective roles of Nrf-2 activation against ALD.
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Affiliation(s)
- Ning Zhao
- Institute of Toxicology, School of Public Health, Shandong University, 44 Wenhua West Road, Jinan, 250012, Shandong, China
| | - Fang-Fang Guo
- Department of Pharmacy, Qilu Hospital of Shandong University, 107 Wenhua West Road, Jinan, 250012, Shandong, China
| | - Ke-Qin Xie
- Institute of Toxicology, School of Public Health, Shandong University, 44 Wenhua West Road, Jinan, 250012, Shandong, China
| | - Tao Zeng
- Institute of Toxicology, School of Public Health, Shandong University, 44 Wenhua West Road, Jinan, 250012, Shandong, China.
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Yang K, Huang R, Fujihira H, Suzuki T, Yan N. N-glycanase NGLY1 regulates mitochondrial homeostasis and inflammation through NRF1. J Exp Med 2018; 215:2600-2616. [PMID: 30135079 PMCID: PMC6170171 DOI: 10.1084/jem.20180783] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/05/2018] [Accepted: 08/06/2018] [Indexed: 12/17/2022] Open
Abstract
Yang et al. show that NGLY1, a deglycosylation enzyme, regulates mitochondrial homeostasis and mitophagy through transcription factor NRF1. In the absence of NGLY1, cellular clearance of damaged mitochondria by mitophagy is impaired, resulting in chronic activation of innate immune nucleic acid–sensing pathways. Mutations in the NGLY1 (N-glycanase 1) gene, encoding an evolutionarily conserved deglycosylation enzyme, are associated with a rare congenital disorder leading to global developmental delay and neurological abnormalities. The molecular mechanism of the NGLY1 disease and its function in tissue and immune homeostasis remain unknown. Here, we find that NGLY1-deficient human and mouse cells chronically activate cytosolic nucleic acid–sensing pathways, leading to elevated interferon gene signature. We also find that cellular clearance of damaged mitochondria by mitophagy is impaired in the absence of NGLY1, resulting in severely fragmented mitochondria and activation of cGAS–STING as well as MDA5–MAVS pathways. Furthermore, we show that NGLY1 regulates mitochondrial homeostasis through transcriptional factor NRF1. Remarkably, pharmacological activation of a homologous but nonglycosylated transcriptional factor NRF2 restores mitochondrial homeostasis and suppresses immune gene activation in NGLY1-deficient cells. Together, our findings reveal novel functions of the NGLY1–NRF1 pathway in mitochondrial homeostasis and inflammation and uncover an unexpected therapeutic strategy using pharmacological activators of NRF2 for treating mitochondrial and immune dysregulation.
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Affiliation(s)
- Kun Yang
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX.,Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX
| | - Ryan Huang
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX.,Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX
| | - Haruhiko Fujihira
- Glycometabolic Biochemistry Laboratory, Institute of Physical and Chemical Research (RIKEN) Cluster for Pioneering Research, Saitama, Japan.,Division of Glycobiologics, Intractable Disease Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Tadashi Suzuki
- Glycometabolic Biochemistry Laboratory, Institute of Physical and Chemical Research (RIKEN) Cluster for Pioneering Research, Saitama, Japan
| | - Nan Yan
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX .,Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX
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