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Rusetskaya NY, Loginova NY, Pokrovskaya EP, Chesovskikh YS, Titova LE. Redox regulation of the NLRP3-mediated inflammation and pyroptosis. BIOMEDITSINSKAIA KHIMIIA 2023; 69:333-352. [PMID: 38153050 DOI: 10.18097/pbmc20236906333] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
The review considers modern data on the mechanisms of activation and redox regulation of the NLRP3 inflammasome and gasdermins, as well as the role of selenium in these processes. Activation of the inflammasome and pyroptosis represent an evolutionarily conserved mechanism of the defense against pathogens, described for various types of cells and tissues (macrophages and monocytes, microglial cells and astrocytes, podocytes and parenchymal cells of the kidneys, periodontal tissues, osteoclasts and osteoblasts, as well as cells of the digestive and urogenital systems, etc.). Depending on the characteristics of redox regulation, the participants of NLRP3 inflammation and pyroptosis can be subdivided into 2 groups. Members of the first group block the mitochondrial electron transport chain, promote the formation of reactive oxygen species and the development of oxidative stress. This group includes granzymes, the mitochondrial antiviral signaling protein MAVS, and others. The second group includes thioredoxin interacting protein (TXNIP), erythroid-derived nuclear factor-2 (NRF2), Kelch-like ECH-associated protein 1 (Keap1), ninjurin (Ninj1), scramblase (TMEM16), inflammasome regulatory protein kinase NLRP3 (NEK7), caspase-1, gasdermins GSDM B, D and others. They have redox-sensitive domains and/or cysteine residues subjected to redox regulation, glutathionylation/deglutathionylation or other types of regulation. Suppression of oxidative stress and redox regulation of participants in NLRP3 inflammation and pyroptosis depends on the activity of the antioxidant enzymes glutathione peroxidase (GPX) and thioredoxin reductase (TRXR), containing a selenocysteine residue Sec in the active site. The expression of GPX and TRXR is regulated by NRF2 and depends on the concentration of selenium in the blood. Selenium deficiency causes ineffective translation of the Sec UGA codon, translation termination, and, consequently, synthesis of inactive selenoproteins, which can cause various types of programmed cell death: apoptosis of nerve cells and sperm, necroptosis of erythrocyte precursors, pyroptosis of infected myeloid cells, ferroptosis of T- and B-lymphocytes, kidney and pancreatic cells. In addition, suboptimal selenium concentrations in the blood (0.86 μM or 68 μg/l or less) have a significant impact on expression of more than two hundred and fifty genes as compared to the optimal selenium concentration (1.43 μM or 113 μg/l). Based on the above, we propose to consider blood selenium concentrations as an important parameter of redox homeostasis in the cell. Suboptimal blood selenium concentrations (or selenium deficiency states) should be used for assessment of the risk of developing inflammatory processes.
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Affiliation(s)
- N Yu Rusetskaya
- V.I. Razumovsky Saratov State Medical University, Saratov, Russia
| | - N Yu Loginova
- V.I. Razumovsky Saratov State Medical University, Saratov, Russia
| | - E P Pokrovskaya
- V.I. Razumovsky Saratov State Medical University, Saratov, Russia
| | - Yu S Chesovskikh
- V.I. Razumovsky Saratov State Medical University, Saratov, Russia
| | - L E Titova
- V.I. Razumovsky Saratov State Medical University, Saratov, Russia
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152
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Cao N, Wang D, Liu B, Wang Y, Han W, Tian J, Xiang L, Wang Z. Silencing of STUB1 relieves osteoarthritis via inducing NRF2-mediated M2 macrophage polarization. Mol Immunol 2023; 164:112-122. [PMID: 37992540 DOI: 10.1016/j.molimm.2023.11.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/07/2023] [Accepted: 11/15/2023] [Indexed: 11/24/2023]
Abstract
OBJECTIVES Shifting macrophages towards an anti-inflammatory state is key in treating osteoarthritis (OA) by reducing inflammation and tissue damage. However, the underlying mechanisms guiding this shift remain largely undefined. STUB1, an E3 ubiquitin ligase, known for its regulatory role in macrophage polarization. This study aims to explore the function and underlying action mechanisms of STUB1 in OA. METHODS An in vivo OA model was established in rats. Hematoxylin-Eosin and safranin O-fast green staining were performed to reveal the hispathological injuries in knee-joint tissues. Immunohistochemistry and flow cytometry were performed to detect the distribution of M1 and M2 macrophages. The inflammatory response (TNF-α and IL-6 levels) was evaluated by ELISA. In vitro, the interaction between STUB1 and NFR2 was determined by CO-IP and pull-down assays. After treated with LPS (an in vitro model of OA), the viability and apoptosis of chondrocytes were measured by CCK-8 and flow cytometry, respectively. RESULTS Silencing STUB1 alleviated OA in rats, as indicated by reduced subchondral bone thickness, knee synovitis score, histopathological damages, and inflammatory response. STUB1 silencing also decreased M1 macrophages and increased M2 macrophages in both in vivo and in vitro settings. NRF2 was identified as a target of STUB1, with STUB1 mediating its ubiquitination. Silencing NRF2 reversed the effects of STUB1 silencing on inducing M2 macrophage polarization. Furthermore, silencing STUB1 upregulated NRF2 expression in LPS-treated chondrocytes, promoting cell viability and inhibiting apoptosis. CONCLUSION Silencing STUB1 induces M2 macrophage polarization by inhibiting NRF2 ubiquitination, thereby contributing to the mitigation of OA.
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Affiliation(s)
- Nan Cao
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Danni Wang
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Bin Liu
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Yu Wang
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Wenfeng Han
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Jing Tian
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Liangbi Xiang
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China.
| | - Zheng Wang
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China.
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153
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Yao B, Lu Y, Li Y, Bai Y, Wei X, Yang Y, Yao D. BCLAF1-induced HIF-1α accumulation under normoxia enhances PD-L1 treatment resistances via BCLAF1-CUL3 complex. Cancer Immunol Immunother 2023; 72:4279-4292. [PMID: 37906282 PMCID: PMC10700218 DOI: 10.1007/s00262-023-03563-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 10/17/2023] [Indexed: 11/02/2023]
Abstract
Bcl-2-associated transcription factor-1 (BCLAF1), an apoptosis-regulating protein of paramount significance, orchestrates the progression of various malignancies. This study reveals increased BCLAF1 expression in hepatocellular carcinoma (HCC) patients, in whom elevated BCLAF1 levels are linked to escalated tumor grades and diminished survival rates. Moreover, novel BCLAF1 expression is particularly increased in HCC patients who were not sensitive to the combined treatment of atezolizumab and bevacizumab, but not in patients who had tumors that responded to the combined regimen. Notably, overexpression of BCLAF1 increases HCC cell proliferation in vitro and in vivo, while the conditioned medium derived from cells overexpressing BCLAF1 strikingly enhances the tube-formation capacity of human umbilical vein endothelial cells. Furthermore, compelling evidence demonstrates that BCLAF1 attenuates the expression of prolyl hydroxylase domain protein 2 (PHD2) and governs the stability of hypoxia-inducible factor-1α (HIF-1α) under normoxic conditions without exerting any influence on transcription, as determined by Western blot and RT‒qPCR analyses. Subsequently, employing coimmunoprecipitation and immunofluorescence, we validated the reciprocal interaction between BCLAF1 and Cullin 3 (CUL3), through which BCLAF1 actively upregulates the ubiquitination and degradation of PHD2. The Western blot and RT‒qPCR results suggests that programmed death ligand-1 (PD-L1) is one of the downstream responders to HIF-1α in HCC. Thus, we reveal the pivotal role of BCLAF1 in promoting PD-L1 transcription and, through binding to CUL3, in promoting the accumulation of HIF-1α under normoxic conditions, thereby facilitating the ubiquitination and degradation of PHD2.
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Affiliation(s)
- Bowen Yao
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ye Lu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yazhao Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yixue Bai
- Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Xinyu Wei
- Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Yuanyuan Yang
- Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Demao Yao
- Department of Geriatric Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
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154
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Tao T, Xu N, Li J, Zhao M, Li X, Huang L. Conditional loss of Ube3d in the retinal pigment epithelium accelerates age-associated alterations in the retina of mice. J Pathol 2023; 261:442-454. [PMID: 37772657 DOI: 10.1002/path.6201] [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: 12/17/2022] [Revised: 07/07/2023] [Accepted: 08/11/2023] [Indexed: 09/30/2023]
Abstract
Several studies have suggested a correlation between the ubiquitin-proteasome system (UPS) and age-related macular degeneration (AMD), with its phenotypic severity ranging from mild visual impairment to blindness, but the mechanism for UPS dysfunction contributing to disease progression is unclear. In this study, we investigated the role of ubiquitin protein ligase E3D (UBE3D) in aging and degeneration in mouse retina. Conditional knockout of Ube3d in the retinal pigment epithelium (RPE) of mice led to progressive and irregular fundus lesions, attenuation of the retinal vascular system, and age-associated deterioration of rod and cone responses. Simultaneously, RPE-specific Ube3d knockout mice also presented morphological changes similar to the histopathological characteristics of human AMD, in which a defective UPS led to RPE abnormalities such as phagocytosis or degradation of metabolites, the interaction with photoreceptor outer segment, and the transport of nutrients or waste products with choroidal capillaries via Bruch's membrane. Moreover, conditional loss of Ube3d resulted in aberrant molecular characterizations associated with the autophagy-lysosomal pathway, oxidative stress damage, and cell-cycle regulation, which are implicated in AMD pathology. Thus, our findings strengthen and expand the impact of UPS dysfunction on retinal pathophysiology during aging, indicating that genetic Ube3d deficiency in the RPE could lead to the abnormal formation of pigment deposits and secondary fundus alterations. © 2023 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Tianchang Tao
- Department of Ophthalmology, Peking University People's Hospital, Eye Diseases and Optometry Institute, Beijing, PR China
- Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, PR China
- College of Optometry, Peking University Health Science Center, Beijing, PR China
- Department of Ophthalmology, The First Affiliated Hospital of Anhui Medical University, Hefei, PR China
| | - Ningda Xu
- Department of Ophthalmology, Peking University People's Hospital, Eye Diseases and Optometry Institute, Beijing, PR China
- Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, PR China
- College of Optometry, Peking University Health Science Center, Beijing, PR China
| | - Jiarui Li
- Department of Ophthalmology, Peking University People's Hospital, Eye Diseases and Optometry Institute, Beijing, PR China
- Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, PR China
- College of Optometry, Peking University Health Science Center, Beijing, PR China
| | - Mingwei Zhao
- Department of Ophthalmology, Peking University People's Hospital, Eye Diseases and Optometry Institute, Beijing, PR China
- Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, PR China
- College of Optometry, Peking University Health Science Center, Beijing, PR China
| | - Xiaoxin Li
- Department of Ophthalmology, Peking University People's Hospital, Eye Diseases and Optometry Institute, Beijing, PR China
- Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, PR China
- College of Optometry, Peking University Health Science Center, Beijing, PR China
- Department of Ophthalmology, Xiamen Eye Center of Xiamen University, Xiamen, PR China
| | - Lvzhen Huang
- Department of Ophthalmology, Peking University People's Hospital, Eye Diseases and Optometry Institute, Beijing, PR China
- Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, PR China
- College of Optometry, Peking University Health Science Center, Beijing, PR China
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155
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Li XY, Cui X, Xie CQ, Wu Y, Song T, He JD, Feng J, Cui QR, Bin JL, Li QY, Xiao C, Deng JH, Lu GD, Zhou J. Andrographolide causes p53-independent HCC cell death through p62 accumulation and impaired DNA damage repair. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 121:155089. [PMID: 37738908 DOI: 10.1016/j.phymed.2023.155089] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 08/28/2023] [Accepted: 09/11/2023] [Indexed: 09/24/2023]
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is a highly lethal cancer characterized by dominant driver mutations, including p53. Consequently, there is an urgent need to search for novel therapeutic agents to treat HCC. Andrographolide (Andro), a clinically available anti-inflammatory phytochemical agent, has shown inhibitory effects against various types of cancer, including HCC. However, the underlying molecular mechanisms of its action remain poorly understood. PURPOSE This study aims to investigate the molecular mechanisms by which p53 and p62 collectively affect Andro-induced HCC cell death, using both in vitro and in vivo models. METHODS In vitro cellular experiments were conducted to examine the effects of Andro on cell viability and elucidate its mechanisms of action. In vivo xenograft experiments further validated the anti-cancer effects of Andro. RESULTS Andro induced dose- and time-dependent HCC cell death while sparing normal HL-7702 hepatocytes. Furthermore, Andro caused DNA damage through the generation of reactive oxygen species (ROS), a critical event leading to cell death. Notably, HCC cells expressing p53 exhibited greater resistance to Andro-induced cell death compared to p53-deficient cells, likely due to the ability of p53 to induce G2/M cell cycle arrest. Additionally, Andro-induced p62 aggregation led to the proteasomal degradation of RAD51 and 53BP1, two key proteins involved in DNA damage repair. Consequently, silencing or knocking out p62 facilitated DNA damage repair and protected HCC cells. Importantly, disruption of either p53 or p62 did not affect the expression of the other protein. These findings were further supported by the observation that xenograft tumors formed by p62-knockout HCC cells displayed increased resistance to Andro treatment. CONCLUSION This study elucidates the mechanistic basis of Andro-induced HCC cell death. It provides valuable insights for repurposing Andro for the treatment of HCC, regardless of the presence of functional p53.
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Affiliation(s)
- Xin-Yu Li
- Department of Physiology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Xuan Cui
- Department of Toxicology, School of Public Health, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Chang-Quan Xie
- Department of Guangxi Medical University Cancer Hospital & Guangxi Cancer Institute, Nanning, Guangxi, China, 530021
| | - Yong Wu
- Department of Toxicology, School of Public Health, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Tang Song
- Department of Physiology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Jin-Di He
- Department of Guangxi Medical University Cancer Hospital & Guangxi Cancer Institute, Nanning, Guangxi, China, 530021
| | - Ji Feng
- Department of Toxicology, School of Public Health, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Qian-Ru Cui
- Department of Physiology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Jin-Lian Bin
- Department of Toxicology, School of Public Health, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Qiu-Yun Li
- Department of Guangxi Medical University Cancer Hospital & Guangxi Cancer Institute, Nanning, Guangxi, China, 530021
| | - Cheng Xiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China, 100029
| | - Jing-Huan Deng
- Department of Toxicology, School of Public Health, Guangxi Medical University, Nanning, Guangxi, China, 530021
| | - Guo-Dong Lu
- Department of Toxicology, School of Public Health, Guangxi Medical University, Nanning, Guangxi, China, 530021; Department of Toxicology, School of the Public Health, Fudan University, Shanghai, China, 200032; Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Guangxi Key laboratory of High-Incidence-Tumor Prevention & Treatment (Guangxi Medical University), Nanning, Guangxi, China, 530021.
| | - Jing Zhou
- Department of Physiology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China, 530021; Key Laboratory of Basic Research on Regional Diseases (Guangxi Medical University), Ministry of Education, Nanning, Guangxi, China, 530021.
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156
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Wang L, Howell MEA, Hensley CR, Ning K, Moorman JP, Yao ZQ, Ning S. The master antioxidant defense is activated during EBV latent infection. J Virol 2023; 97:e0095323. [PMID: 37877721 PMCID: PMC10688347 DOI: 10.1128/jvi.00953-23] [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: 06/27/2023] [Accepted: 09/21/2023] [Indexed: 10/26/2023] Open
Abstract
IMPORTANCE To our knowledge, this is the first report delineating the activation of the master antioxidant defense during EBV latency. We show that EBV-triggered reactive oxygen species production activates the Keap1-NRF2 pathway in EBV-transformed cells, and LMP1 plays a major role in this event, and the stress-related kinase TBK1 is required for NRF2 activation. Moreover, we show that the Keap1-NRF2 pathway is important for cell proliferation and EBV latency maintenance. Our findings disclose how EBV controls the balance between oxidative stress and antioxidant defense, which greatly improve our understanding of EBV latency and pathogenesis and may be leveraged to opportunities toward the improvement of therapeutic outcomes in EBV-associated diseases.
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Affiliation(s)
- Ling Wang
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
- Center of Excellence for Inflammation, Infectious Diseases and Immunity, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
| | - Mary E. A. Howell
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
| | - Culton R. Hensley
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
| | - Katharine Ning
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
| | - Jonathan P. Moorman
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
- Center of Excellence for Inflammation, Infectious Diseases and Immunity, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
- Hepatitis (HCV/HIV) Program, James H. Quillen VA Medical Center, Johnson City, Tennessee, USA
| | - Zhi Q. Yao
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
- Center of Excellence for Inflammation, Infectious Diseases and Immunity, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
- Hepatitis (HCV/HIV) Program, James H. Quillen VA Medical Center, Johnson City, Tennessee, USA
| | - Shunbin Ning
- Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
- Center of Excellence for Inflammation, Infectious Diseases and Immunity, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee, USA
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157
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Broadbent DG, McEwan CM, Tsang TM, Poole DM, Naylor BC, Price JC, Schmidt JC, Andersen JL. The formation of ubiquitin rich condensates triggers recruitment of the ATG9A lipid transfer complex to initiate basal autophagy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.28.569058. [PMID: 38077022 PMCID: PMC10705457 DOI: 10.1101/2023.11.28.569058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Autophagy is an essential cellular recycling process that maintains protein and organelle homeostasis. ATG9A vesicle recruitment is a critical early step in autophagy to initiate autophagosome biogenesis. The mechanisms of ATG9A vesicle recruitment are best understood in the context of starvation-induced non-selective autophagy, whereas less is known about the signals driving ATG9A vesicle recruitment to autophagy initiation sites in the absence of nutrient stress. Here we demonstrate that loss of ATG9A or the lipid transfer protein ATG2 leads to the accumulation of phosphorylated p62 aggregates in the context of basal autophagy. Furthermore, we show that p62 degradation requires the lipid scramblase activity of ATG9A. Lastly, we present evidence that poly-ubiquitin is an essential signal that recruits ATG9A and mediates autophagy foci assembly in nutrient replete cells. Together, our data support a ubiquitin-driven model of ATG9A recruitment and autophagosome formation during basal autophagy.
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Affiliation(s)
- D G Broadbent
- Institute for Quantitative Health Sciences and Engineering, Michigan State University, East Lansing, MI, USA
- College of Osteopathic Medicine, Michigan State University, East Lansing, MI, USA
- Department of Physiology, College of Natural Sciences, Michigan State University, East Lansing, MI, USA
| | - C M McEwan
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - T M Tsang
- Institute for Quantitative Health Sciences and Engineering, Michigan State University, East Lansing, MI, USA
- College of Osteopathic Medicine, Michigan State University, East Lansing, MI, USA
- Department of Physiology, College of Natural Sciences, Michigan State University, East Lansing, MI, USA
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
- Department of Obstetrics, Gynecology, and Reproductive Biology, Michigan State University, East Lansing, MI, USA
- Department of Oncological Sciences and Huntsman Cancer Institute, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - D M Poole
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - B C Naylor
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - J C Price
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - J C Schmidt
- Institute for Quantitative Health Sciences and Engineering, Michigan State University, East Lansing, MI, USA
- Department of Obstetrics, Gynecology, and Reproductive Biology, Michigan State University, East Lansing, MI, USA
| | - J L Andersen
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
- Department of Oncological Sciences and Huntsman Cancer Institute, University of Utah School of Medicine, Salt Lake City, UT, USA
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158
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Perpiñán E, Sanchez-Fueyo A, Safinia N. Immunoregulation: the interplay between metabolism and redox homeostasis. FRONTIERS IN TRANSPLANTATION 2023; 2:1283275. [PMID: 38993920 PMCID: PMC11235320 DOI: 10.3389/frtra.2023.1283275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/13/2023] [Indexed: 07/13/2024]
Abstract
Regulatory T cells are fundamental for the induction and maintenance of immune homeostasis, with their dysfunction resulting in uncontrolled immune responses and tissue destruction predisposing to autoimmunity, transplant rejection and several inflammatory and metabolic disorders. Recent discoveries have demonstrated that metabolic processes and mitochondrial function are critical for the appropriate functioning of these cells in health, with their metabolic adaptation, influenced by microenvironmental factors, seen in several pathological processes. Upon activation regulatory T cells rearrange their oxidation-reduction (redox) system, which in turn supports their metabolic reprogramming, adding a layer of complexity to our understanding of cellular metabolism. Here we review the literature surrounding redox homeostasis and metabolism of regulatory T cells to highlight new mechanistic insights of these interlinked pathways in immune regulation.
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Affiliation(s)
| | | | - N. Safinia
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, Institute of Liver Studies, James Black Centre, King’s College London, London, United Kingdom
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159
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Fahrer J, Wittmann S, Wolf AC, Kostka T. Heme Oxygenase-1 and Its Role in Colorectal Cancer. Antioxidants (Basel) 2023; 12:1989. [PMID: 38001842 PMCID: PMC10669411 DOI: 10.3390/antiox12111989] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/03/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Heme oxygenase-1 (HO-1) is an enzyme located at the endoplasmic reticulum, which is responsible for the degradation of cellular heme into ferrous iron, carbon monoxide and biliverdin-IXa. In addition to this main function, the enzyme is involved in many other homeostatic, toxic and cancer-related mechanisms. In this review, we first summarize the importance of HO-1 in physiology and pathophysiology with a focus on the digestive system. We then detail its structure and function, followed by a section on the regulatory mechanisms that control HO-1 expression and activity. Moreover, HO-2 as important further HO isoform is discussed, highlighting the similarities and differences with regard to HO-1. Subsequently, we describe the direct and indirect cytoprotective functions of HO-1 and its breakdown products carbon monoxide and biliverdin-IXa, but also highlight possible pro-inflammatory effects. Finally, we address the role of HO-1 in cancer with a particular focus on colorectal cancer. Here, relevant pathways and mechanisms are presented, through which HO-1 impacts tumor induction and tumor progression. These include oxidative stress and DNA damage, ferroptosis, cell cycle progression and apoptosis as well as migration, proliferation, and epithelial-mesenchymal transition.
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Affiliation(s)
- Jörg Fahrer
- Division of Food Chemistry and Toxicology, Department of Chemistry, RPTU Kaiserslautern-Landau, Erwin-Schrödinger Strasse 52, D-67663 Kaiserslautern, Germany; (S.W.); (A.-C.W.)
| | | | | | - Tina Kostka
- Division of Food Chemistry and Toxicology, Department of Chemistry, RPTU Kaiserslautern-Landau, Erwin-Schrödinger Strasse 52, D-67663 Kaiserslautern, Germany; (S.W.); (A.-C.W.)
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160
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Lee B, Kim YH, Lee W, Choi HY, Lee J, Kim J, Mai DN, Jung SF, Kwak MS, Shin JS. USP13 deubiquitinates p62/SQSTM1 to induce autophagy and Nrf2 release for activating antioxidant response genes. Free Radic Biol Med 2023; 208:820-832. [PMID: 37776917 DOI: 10.1016/j.freeradbiomed.2023.09.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 10/02/2023]
Abstract
SQSTM1/p62 (sequestosome 1) is a multifunctional protein that serves as a receptor for selective autophagy and scaffold. In selective autophagy, p62 functions as a bridge between polyubiquitinated proteins and autophagosomes. Further, p62 acts as a signaling hub for many cellular pathways including mTORC1, NF-κB, and Keap1-Nrf2. Post-translational modifications of p62, such as ubiquitination and phosphorylation, are known to determine its binding partners and regulate their intracellular functions. However, the mechanism of p62 deubiquitination remains unclear. In this study, we found that ubiquitin-specific protease 13 (USP13), a member of the USP family, directly binds p62 and removes ubiquitin at Lys7 (K7) of the PB1 domain. USP13-mediated p62 deubiquitination enhances p62 protein stability and facilitates p62 oligomerization, resulting in increased autophagy and degradation of Keap1, which is a negative regulator of the antioxidant response that promotes Nrf2 activation. Thus, USP13 can be considered a therapeutic target as a deubiquitination enzyme of p62 in autophagy-related diseases.
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Affiliation(s)
- Bin Lee
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea; Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, South Korea
| | - Young Hun Kim
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea
| | - Woori Lee
- Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, South Korea
| | - Hee Youn Choi
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea; Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Jisun Lee
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea; Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Jiwon Kim
- Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, South Korea
| | - Dương Ngọc Mai
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea
| | - Su Ful Jung
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea; Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Man Sup Kwak
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea; Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, South Korea
| | - Jeon-Soo Shin
- Department of Microbiology, Yonsei University College of Medicine, Seoul, South Korea; Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, South Korea; Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea; Center for Nanomedicine, Institute for Basic Science (IBS), Yonsei University, Seoul, South Korea.
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161
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Wang J, Wang F, Wang N, Zhang MY, Wang HY, Huang GL. Diagnostic and Prognostic Value of Protein Post-translational Modifications in Hepatocellular Carcinoma. J Clin Transl Hepatol 2023; 11:1192-1200. [PMID: 37577238 PMCID: PMC10412711 DOI: 10.14218/jcth.2022.00006s] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 02/03/2023] [Accepted: 02/21/2023] [Indexed: 07/03/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a common malignant tumor with high incidence and cancer mortality worldwide. Post-translational modifications (PTMs) of proteins have a great impact on protein function. Almost all proteins can undergo PTMs, including phosphorylation, acetylation, methylation, glycosylation, ubiquitination, and so on. Many studies have shown that PTMs are related to the occurrence and development of cancers. The findings provide novel therapeutic targets for cancers, such as glypican-3 and mucin-1. Other clinical implications are also found in the studies of PTMs. Diagnostic or prognostic value, and response to therapy have been identified. In HCC, it has been shown that glycosylated alpha-fetoprotein (AFP) has a higher detection rate for early liver cancer than conventional AFP. In this review, we mainly focused on the diagnostic and prognostic value of PTM, in order to provide new insights into the clinical implication of PTM in HCC.
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Affiliation(s)
- Jing Wang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
| | - Fangfang Wang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
| | - Ning Wang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
| | - Mei-Yin Zhang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Hui-Yun Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Guo-Liang Huang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
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162
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Wang M, Tang J, Zhang S, Pang K, Zhao Y, Liu N, Huang J, Kang J, Dong S, Li H, Tian Z, Duan B, Lu F, Zhang W. Exogenous H 2S initiating Nrf2/GPx4/GSH pathway through promoting Syvn1-Keap1 interaction in diabetic hearts. Cell Death Discov 2023; 9:394. [PMID: 37875467 PMCID: PMC10598017 DOI: 10.1038/s41420-023-01690-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/26/2023] [Accepted: 10/16/2023] [Indexed: 10/26/2023] Open
Abstract
Excessive ROS accumulation contributes to cardiac injury in type 2 diabetes mellitus. Hydrogen sulfide (H2S) is a vital endogenous gasotransmitter to alleviate cardiac damage in diabetic cardiomyopathy (DCM). However, the underlying mechanisms remain unclear. In this study, we investigated the effects of NaHS administration in db/db mice via intraperitoneal injection for 20 weeks and the treatment of high glucose (HG), palmitate (PA) and NaHS in HL-1 cardiomyocytes for 48 h, respectively. H2S levels were decreased in hearts of db/db mice and HL-1 cardiomyocytes exposed to HG and PA, which were restored by NaHS. Exogenous H2S activated the nuclear factor erythroid 2-related factor 2 (Nrf2)/glutathione peroxidase 4 (GPx4)/glutathione (GSH) pathway, suppressed ferroptosis and mitigated mitochondrial apoptosis in db/db mice. However, these effects were abrogated after Nrf2 knockdown. NaHS treatment elevated the ubiquitination level of Kelch-like ECH-associated protein (Keap1) by preserving its E3 ligase synoviolin (Syvn1), resulting in Nrf2 nuclear translocation. H2S facilitated the sulfhydration of Syvn1-cys115 site, a post-translational modification. Transfecting Syvn1 C115A in cardiomyocytes exposed to HG and PA partially attenuated the effects of NaHS on Nrf2 and cell death. Our findings suggest that exogenous H2S regulates Nrf2/GPx4/GSH pathway by promoting the Syvn1-Keap1 interaction to reduce ferroptosis and mitochondrial apoptosis in DCM.
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Affiliation(s)
- Mengyi Wang
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Jingyuan Tang
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Shiwu Zhang
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Kemiao Pang
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Yajun Zhao
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Ning Liu
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Jiayi Huang
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Jiaxin Kang
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Shiyun Dong
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Hongxia Li
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Zhen Tian
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China
| | - Binhong Duan
- Department of Endocrinology, Heilongjiang Provincial Hospital, 150036, Harbin, China
| | - Fanghao Lu
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China.
| | - Weihua Zhang
- Department of Pathophysiology, Harbin Medical University, 150081, Harbin, China.
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163
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Miyoshi T, Keller BC, Ashino T, Numazawa S. Noncanonical mechanism of Nrf2 activation by diacylglycerol polyethylene glycol adducts in normal human epidermal keratinocytes. PLoS One 2023; 18:e0291905. [PMID: 37819868 PMCID: PMC10566712 DOI: 10.1371/journal.pone.0291905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 09/07/2023] [Indexed: 10/13/2023] Open
Abstract
Polyethylene glycol-23 glyceryl distearate (GDS-23), a diacylglycerol polyethylene glycol adduct, forms niosomes with a liposome-like structure and functions as an active ingredient in drug delivery systems. In addition, it upregulates antioxidant proteins such as heme oxygenase 1 and NAD(P)H-quinone dehydrogenase 1 in cells. However, the activation of nuclear factor E2-related factor-2 (Nrf2), which plays a role in inducing the expression of antioxidant proteins, and its protective effects induced by GDS-23 treatment against oxidative stress have not been elucidated. This study aimed at verifying the activation of Nrf2 by GDS-23 and clarifying its underlying mechanisms, and investigated whether GDS-23 protects against hydroquinone-induced cytotoxicity. Normal human epidermal keratinocytes were treated with GDS-23. Real-time reverse transcription-polymerase chain reaction, western blotting, and immunostaining were used to investigate the mechanism of Nrf2 activation, and neutral red assay was performed to evaluate cytotoxicity. GDS-23-treated cells showed an increase in antioxidant protein levels and stabilization of Nrf2 in the nucleus. During Nrf2 activation, p62, an autophagy-related adaptor protein, was phosphorylated at Ser349. Inhibition of the interaction between the phosphorylated p62 and Kelch-like ECH-associated protein 1 significantly suppressed the GDS-23-mediated induction of antioxidant protein expression. In addition, hydroquinone-induced cell toxicity was significantly attenuated by GDS-23. GDS-23 induced the intracellular antioxidant system by activating Nrf2 in a p62 phosphorylation-dependent manner without generating oxidative stress in the cells. GDS-23 may be applied as a multifunctional material for drug delivery system that enhances internal antioxidant systems.
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Affiliation(s)
- Tatsuro Miyoshi
- Beverly Glen Laboratories, Inc. Newport Beach, Newport Beach, CA, United States of America
| | - Brian C. Keller
- Beverly Glen Laboratories, Inc. Newport Beach, Newport Beach, CA, United States of America
| | - Takashi Ashino
- Department of Pharmacology, Division of Toxicology, Toxicology and Therapeutics, Showa University School of Pharmacy, Shinagawa, Tokyo, Japan
| | - Satoshi Numazawa
- Department of Pharmacology, Division of Toxicology, Toxicology and Therapeutics, Showa University School of Pharmacy, Shinagawa, Tokyo, Japan
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164
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Cai Q, Shen Q, Zhu W, Zhang S, Ke J, Lu Z. Paraquat-induced ferroptosis suppression via NRF2 expression regulation. Toxicol In Vitro 2023; 92:105655. [PMID: 37507096 DOI: 10.1016/j.tiv.2023.105655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
Paraquat (PQ) is an environmentally friendly and efficient herbicide, but PQ misuse or intentional self-use can cause death through multiple organ damage and can cause acute lung injury. Existing clinical treatments alleviate symptoms but do not significantly improve the mortality rate. Ferroptosis is a type of necrosis that presents in a manner very similar to the cell damage induced by high doses of PQ, but the role of ferroptosis in paraquat-induced lung injury remains unclear. In this study, we aimed to explore the role of ferroptosis in PQ-induced A549 cell injury and identify the potential mechanisms and critical sites of protection against PQ-induced A549 injury by ferroptosis inhibitors. We found that the ferroptosis inhibitors Ferr-1 and Lip-1 inhibit ferroptosis by attenuating oxidative stress through the upregulation of NRF2 gene expression. The protective role of the ferroptosis inhibitor Dfo was most evident in paraquat-induced cell injury. Dfo inhibited ferroptosis by iron chelation and promoted NRF2 protein level reduction. NRF2 attenuated PQ-induced ferroptosis in A549 cells, mainly through the upregulation of SLC40A1 to encourage the movement of iron to the extracellular side to alleviate iron overload, and the upregulation of SLC7A11 to promote the expression of GPX4 to inhibit lipid peroxidation.
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Affiliation(s)
- Qiqi Cai
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Qunhe Shen
- Emergency Department, Enze Hospital, Enze Medical Center, Taizhou, China
| | - Weimin Zhu
- Emergency Department, Enze Hospital, Enze Medical Center, Taizhou, China
| | - Sheng Zhang
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Jingjing Ke
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Zhongqiu Lu
- Department of Emergency Medicine, The First Affiliated Hospital of Wenzhou Medical, the key specialty of traditional Chinese Medicine of Zhejiang Provincial in the 13th Five-Year Plan period (Emergency Department), Wenzhou Key Laboratory of emergency and disaster medicine, Wenzhou City, Zhejiang Province, China.
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165
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Nurzadeh M, Ghalandarpoor-Attar SM, Ghalandarpoor-Attar SN, Rabiei M. The sequestosome 1 protein: therapeutic vulnerabilities in ovarian cancer. Clin Transl Oncol 2023; 25:2783-2792. [PMID: 36964889 DOI: 10.1007/s12094-023-03148-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 03/04/2023] [Indexed: 03/26/2023]
Abstract
Ovarian cancer (OC) is the most deadly tumor that may develop in a woman's reproductive system. It is also one of the most common causes of death among those who have been diagnosed with cancer in women. An adapter protein known as sequestosome 1(SQSTM1) or p62 is primarily responsible for the transportation, degradation, and destruction of a wide variety of proteins. This adapter protein works in conjunction with the autophagy process as well as the ubiquitin proteasome degradation pathway. In addition, the ability of SQSTM1 to interact with multiple binding partners link SQSTM1 to various pathways in the context of antioxidant defense system and inflammation. In this review, we outline the processes underlying the control that SQSTM1 has on these pathways and how their dysregulation contributes to the development of OC. At the final, the therapeutic approaches based on SQSTM1 targeting have been discussed.
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Affiliation(s)
- Maryam Nurzadeh
- Fetomaternal Department, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | | | - Maryam Rabiei
- Obstetrics and Gynecology Department, Tehran University of Medical Sciences, Tehran, Iran.
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166
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Li J, Xian L, Zhu Z, Wang Y, Zhang W, Zheng R, Xue W, Li J. Role of CELF2 in ferroptosis: Potential targets for cancer therapy (Review). Int J Mol Med 2023; 52:88. [PMID: 37594127 PMCID: PMC10500222 DOI: 10.3892/ijmm.2023.5291] [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: 05/16/2023] [Accepted: 07/19/2023] [Indexed: 08/19/2023] Open
Abstract
Ferroptosis is a novel form of regulated cellular necrosis that plays a critical role in promoting cancer progression and developing drug resistance. The main characteristic of ferroptosis is iron‑dependent lipid peroxidation caused by excess intracellular levels of reactive oxygen species. CUGBP ELAV‑like family number 2 (CELF2) is an RNA‑binding protein that is downregulated in various types of cancer and is associated with poor patient prognoses. CELF2 can directly bind mRNA to a variety of ferroptosis control factors; however, direct evidence of the regulatory role of CELF2 in ferroptosis is currently limited. The aim of the present review was to summarise the findings of previous studies on CELF2 and its role in regulating cellular redox homeostasis. The present review may provide insight into the possible mechanisms through which CELF2 affects ferroptosis and to provide recommendations for future studies.
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Affiliation(s)
- Jiahao Li
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Lei Xian
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Zifeng Zhu
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yang Wang
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Wenlei Zhang
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Ruipeng Zheng
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Wang Xue
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Jiarui Li
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
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167
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Javali PS, Sekar M, Kumar A, Thirumurugan K. Dynamics of redox signaling in aging via autophagy, inflammation, and senescence. Biogerontology 2023; 24:663-678. [PMID: 37195483 DOI: 10.1007/s10522-023-10040-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 05/09/2023] [Indexed: 05/18/2023]
Abstract
Review paper attempts to explain the dynamic aspects of redox signaling in aging through autophagy, inflammation, and senescence. It begins with ROS source in the cell, then states redox signaling in autophagy, and regulation of autophagy in aging. Next, we discuss inflammation and redox signaling with various pathways involved: NOX pathway, ROS production via TNF-α, IL-1β, xanthine oxidase pathway, COX pathway, and myeloperoxidase pathway. Also, we emphasize oxidative damage as an aging marker and the contribution of pathophysiological factors to aging. In senescence-associated secretory phenotypes, we link ROS with senescence, aging disorders. Relevant crosstalk between autophagy, inflammation, and senescence using a balanced ROS level might reduce age-related disorders. Transducing the context-dependent signal communication among these three processes at high spatiotemporal resolution demands other tools like multi-omics aging biomarkers, artificial intelligence, machine learning, and deep learning. The bewildering advancement of technology in the above areas might progress age-related disorders diagnostics with precision and accuracy.
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Affiliation(s)
- Prashanth S Javali
- #412J, Structural Biology Lab, Pearl Research Park, School of Biosciences & Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Mouliganesh Sekar
- #412J, Structural Biology Lab, Pearl Research Park, School of Biosciences & Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Ashish Kumar
- #412J, Structural Biology Lab, Pearl Research Park, School of Biosciences & Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Kavitha Thirumurugan
- #412J, Structural Biology Lab, Pearl Research Park, School of Biosciences & Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
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168
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Qian H, Ding WX. SQSTM1/p62 and Hepatic Mallory-Denk Body Formation in Alcohol-Associated Liver Disease. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1415-1426. [PMID: 36906265 PMCID: PMC10642158 DOI: 10.1016/j.ajpath.2023.02.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/14/2023] [Accepted: 02/24/2023] [Indexed: 03/12/2023]
Abstract
Sequestosome 1 (SQSTM1/p62; hereafter p62) is an autophagy receptor protein for selective autophagy primarily due to its direct interaction with the microtubule light chain 3 protein that specifically localizes on autophagosome membranes. As a result, impaired autophagy leads to the accumulation of p62. p62 is also a common component of many human liver disease-related cellular inclusion bodies, such as Mallory-Denk bodies, intracytoplasmic hyaline bodies, α1-antitrypsin aggregates, as well as p62 bodies and condensates. p62 also acts as an intracellular signaling hub, and it involves multiple signaling pathways, including nuclear factor erythroid 2-related factor 2, NF-κB, and the mechanistic target of rapamycin, which are critical for oxidative stress, inflammation, cell survival, metabolism, and liver tumorigenesis. This review discusses the recent insights of p62 in protein quality control, including the role of p62 in the formation and degradation of p62 stress granules and protein aggregates as well as regulation of multiple signaling pathways in the pathogenesis of alcohol-associated liver disease.
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Affiliation(s)
- Hui Qian
- Department of Pharmacology, Toxicology, and Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas
| | - Wen-Xing Ding
- Department of Pharmacology, Toxicology, and Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas; Department of Internal Medicine, The University of Kansas Medical Center, Kansas City, Kansas.
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169
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Li J, Zheng S, Fan Y, Tan K. Emerging significance and therapeutic targets of ferroptosis: a potential avenue for human kidney diseases. Cell Death Dis 2023; 14:628. [PMID: 37739961 PMCID: PMC10516929 DOI: 10.1038/s41419-023-06144-w] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 09/06/2023] [Accepted: 09/11/2023] [Indexed: 09/24/2023]
Abstract
Kidney diseases remain one of the leading causes of human death and have placed a heavy burden on the medical system. Regulated cell death contributes to the pathology of a plethora of renal diseases. Recently, with in-depth studies into kidney diseases and cell death, a new iron-dependent cell death modality, known as ferroptosis, has been identified and has attracted considerable attention among researchers in the pathogenesis of kidney diseases and therapeutics to treat them. The majority of studies suggest that ferroptosis plays an important role in the pathologies of multiple kidney diseases, such as acute kidney injury (AKI), chronic kidney disease, and renal cell carcinoma. In this review, we summarize recently identified regulatory molecular mechanisms of ferroptosis, discuss ferroptosis pathways and mechanisms of action in various kidney diseases, and describe the protective effect of ferroptosis inhibitors against kidney diseases, especially AKI. By summarizing the prominent roles of ferroptosis in different kidney diseases and the progress made in studying ferroptosis, we provide new directions and strategies for future research on kidney diseases. In summary, ferroptotic factors are potential targets for therapeutic intervention to alleviate different kidney diseases, and targeting them may lead to new treatments for patients with kidney diseases.
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Affiliation(s)
- Jinghan Li
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Province Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei, China
| | - Sujuan Zheng
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Province Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei, China
| | - Yumei Fan
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Province Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei, China.
| | - Ke Tan
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Province Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei, China.
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170
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Livneh I, Cohen-Kaplan V, Fabre B, Abramovitch I, Lulu C, Nataraj NB, Lazar I, Ziv T, Yarden Y, Zohar Y, Gottlieb E, Ciechanover A. Regulation of nucleo-cytosolic 26S proteasome translocation by aromatic amino acids via mTOR is essential for cell survival under stress. Mol Cell 2023; 83:3333-3346.e5. [PMID: 37738964 DOI: 10.1016/j.molcel.2023.08.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 07/12/2023] [Accepted: 08/14/2023] [Indexed: 09/24/2023]
Abstract
The proteasome is responsible for removal of ubiquitinated proteins. Although several aspects of its regulation (e.g., assembly, composition, and post-translational modifications) have been unraveled, studying its adaptive compartmentalization in response to stress is just starting to emerge. We found that following amino acid starvation, the proteasome is translocated from its large nuclear pool to the cytoplasm-a response regulated by newly identified mTOR-agonistic amino acids-Tyr, Trp, and Phe (YWF). YWF relay their signal upstream of mTOR through Sestrin3 by disrupting its interaction with the GATOR2 complex. The triad activates mTOR toward its downstream substrates p62 and transcription factor EB (TFEB), affecting both proteasomal and autophagic activities. Proteasome translocation stimulates cytosolic proteolysis which replenishes amino acids, thus enabling cell survival. In contrast, nuclear sequestration of the proteasome following mTOR activation by YWF inhibits this proteolytic adaptive mechanism, leading to cell death, which establishes this newly identified pathway as a key stress-coping mechanism.
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Affiliation(s)
- Ido Livneh
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel; Institute of Pathology, Rambam Health Care Campus, Haifa 3109601, Israel.
| | - Victoria Cohen-Kaplan
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | - Bertrand Fabre
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | - Ifat Abramovitch
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | - Chen Lulu
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | | | - Ikrame Lazar
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | - Tamar Ziv
- Smoler Proteomic Center, Technion-Israel Institute of Technology, Haifa 3200003, Israel
| | - Yosef Yarden
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yaniv Zohar
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel; Institute of Pathology, Rambam Health Care Campus, Haifa 3109601, Israel
| | - Eyal Gottlieb
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | - Aaron Ciechanover
- The Rappaport Faculty of Medicine and Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel.
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171
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Suzuki M, Funakoshi T, Kumagai K, Komatsu M, Waguri S. ATG9A supports Chlamydia trachomatis infection via autophagy-independent mechanisms. Microbiol Spectr 2023; 11:e0277423. [PMID: 37707289 PMCID: PMC10580829 DOI: 10.1128/spectrum.02774-23] [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: 07/06/2023] [Accepted: 07/18/2023] [Indexed: 09/15/2023] Open
Abstract
Chlamydia trachomatis infection can be regulated by autophagy-related (ATG) genes. Here, we found that the depletion of ATG9A, one of the core ATG genes, in HeLa cells suppressed C. trachomatis growth in the inclusion. The growth was restored by re-expressing ATG9A or an ATG9A mutant impairing lipid scramblase activity in ATG9A-knockout (KO) cells. Moreover, the depletion of lipid transfer proteins ATG2A/B, responsible for isolation membrane expansion together with ATG9A, did not significantly alter the growth, suggesting that the non-autophagic function of ATG9A supports C. trachomatis infection. ATG9A-KO cells showed no infection-induced redistribution of the Golgi from the perinuclear region to inclusion, which was restored by re-expressing the mutant but not the ATG9A mutant lacking an N-terminal adapter protein-binding domain. Re-expression of the N-terminal deletion mutant in ATG9A-KO cells did not rescue C. trachomatis growth, suggesting the importance of this domain for its growth. Although ATG9A-KO cells showed enhanced TBK1 activation, interferon (IFN)-β was not significantly increased, excluding the possibility that upregulation of stimulator of IFN genes (STING) signaling suppressed bacterial growth. Taken together, these findings suggest that the proper trafficking, rather than the isolation membrane expansion function, of ATG9A assists C. trachomatis growth in the inclusion. IMPORTANCE ATG9A is an autophagy-related gene that functions during the isolation membrane expansion process to form autophagosomes, but it also has other functions independent of autophagy. In this study, we employed ATG9A-deficient HeLa cells and found that the absence of ATG9A negatively impacted proliferation of Chlamydia trachomatis in inclusions. Furthermore, rescue experiments using ATG9A mutants revealed that this action was mediated not by its autophagic function but by its binding ability to clathrin adapter proteins. These findings suggest that the proper trafficking of ATG9A assists C. trachomatis growth in the inclusion.
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Affiliation(s)
- Michitaka Suzuki
- Department of Anatomy and Histology, Fukushima Medical University School of Medicine, Hikarigaoka, Fukushima, Japan
| | - Tomoko Funakoshi
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Keigo Kumagai
- Department of Biochemistry and Cell Biology, National Institute of Infectious Diseases, Toyama, Shinjuku-ku, Tokyo, Japan
| | - Masaaki Komatsu
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Satoshi Waguri
- Department of Anatomy and Histology, Fukushima Medical University School of Medicine, Hikarigaoka, Fukushima, Japan
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172
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Watanabe Y, Taguchi K, Tanaka M. Roles of Stress Response in Autophagy Processes and Aging-Related Diseases. Int J Mol Sci 2023; 24:13804. [PMID: 37762105 PMCID: PMC10531041 DOI: 10.3390/ijms241813804] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/02/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
The heat shock factor 1 (HSF1)-mediated stress response pathway and autophagy processes play important roles in the maintenance of proteostasis. Autophagy processes are subdivided into three subtypes: macroautophagy, chaperone-mediated autophagy (CMA), and microautophagy. Recently, molecular chaperones and co-factors were shown to be involved in the selective degradation of substrates by these three autophagy processes. This evidence suggests that autophagy processes are regulated in a coordinated manner by the HSF1-mediated stress response pathway. Recently, various studies have demonstrated that proteostasis pathways including HSF1 and autophagy are implicated in longevity. Furthermore, they serve as therapeutic targets for aging-related diseases such as cancer and neurodegenerative diseases. In the future, these studies will underpin the development of therapies against various diseases.
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Affiliation(s)
- Yoshihisa Watanabe
- Department of Basic Geriatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamikyo-ku, Kyoto 602-8566, Japan
| | - Katsutoshi Taguchi
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 601-0841, Japan; (K.T.); (M.T.)
| | - Masaki Tanaka
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 601-0841, Japan; (K.T.); (M.T.)
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173
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Bresciani G, Manai F, Davinelli S, Tucci P, Saso L, Amadio M. Novel potential pharmacological applications of dimethyl fumarate-an overview and update. Front Pharmacol 2023; 14:1264842. [PMID: 37745068 PMCID: PMC10512734 DOI: 10.3389/fphar.2023.1264842] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
Dimethyl fumarate (DMF) is an FDA-approved drug for the treatment of psoriasis and multiple sclerosis. DMF is known to stabilize the transcription factor Nrf2, which in turn induces the expression of antioxidant response element genes. It has also been shown that DMF influences autophagy and participates in the transcriptional control of inflammatory factors by inhibiting NF-κB and its downstream targets. DMF is receiving increasing attention for its potential to be repurposed for several diseases. This versatile molecule is indeed able to exert beneficial effects on different medical conditions through a pleiotropic mechanism, in virtue of its antioxidant, immunomodulatory, neuroprotective, anti-inflammatory, and anti-proliferative effects. A growing number of preclinical and clinical studies show that DMF may have important therapeutic implications for chronic diseases, such as cardiovascular and respiratory pathologies, cancer, eye disorders, neurodegenerative conditions, and systemic or organ specific inflammatory and immune-mediated diseases. This comprehensive review summarizes and highlights the plethora of DMF's beneficial effects and underlines its repurposing opportunities in a variety of clinical conditions.
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Affiliation(s)
- Giorgia Bresciani
- Section of Pharmacology, Department of Drug Sciences, University of Pavia, Pavia, Italy
| | - Federico Manai
- Department of Biology and Biotechnology L. Spallanzani, University of Pavia, Pavia, Italy
| | - Sergio Davinelli
- Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Campobasso, Italy
| | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology Vittorio Erspamer, Sapienza University, Rome, Italy
| | - Marialaura Amadio
- Section of Pharmacology, Department of Drug Sciences, University of Pavia, Pavia, Italy
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174
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Liang Q, Liu S, Yin F, Liu M, Wang L, Guo E, Lei L, Wu L, Yang Y, Zhang D, Zeng X. Low expression of GOT2 promotes tumor progress and predicts poor prognosis in hepatocellular carcinoma. Biomark Med 2023; 17:755-765. [PMID: 38095985 DOI: 10.2217/bmm-2023-0236] [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] [Indexed: 01/12/2024] Open
Abstract
Background: To explore the biological function and the underlying mechanisms of GOT2 in hepatocellular carcinoma (HCC). Materials & methods: The expression level and prognostic value of GOT2 were examined using International Cancer Genome Consortium and International Cancer Proteogenome Consortium databases. The cell counting kit-8 method, clone formation, Transwell® assays and western blotting were used to evaluate the effects of GOT2 on the biological function and autophagy of HCC cells. Results: The expression of GOT2 was downregulated in HCC tissues and correlated with poor prognosis of HCC patients. Knockdown of GOT2 promoted proliferation, migration and invasion of HCC cells and promoted cells' proliferation by inducing autophagy. Conclusion: GOT2 plays a tumor-inhibitory role in HCC and may be a potential therapeutic target for HCC.
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Affiliation(s)
- Qiuli Liang
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
- Nanning Center for Disease Control & Prevention, Nanning, Guangxi, 530002, China
| | - Shun Liu
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Fuqiang Yin
- Life Sciences Institute Guangxi Medical University, Nanning, Guangxi, 530021, China
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, 530021, China
| | - Meiliang Liu
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Lijun Wang
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Erna Guo
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
- School of International Education, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Lei Lei
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Liuyu Wu
- Department of Hospital Infection Control, Liuzhou People's Hospital, Liuzhou, Guangxi, 545026, China
| | - Yu Yang
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Di Zhang
- Department of Scientific Research, Jiangbin Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530021, China
| | - Xiaoyun Zeng
- School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, 530021, China
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175
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Yamada M, Warabi E, Oishi H, Lira VA, Okutsu M. Muscle p62 stimulates the expression of antioxidant proteins alleviating cancer cachexia. FASEB J 2023; 37:e23156. [PMID: 37624620 PMCID: PMC10560086 DOI: 10.1096/fj.202300349r] [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: 04/10/2023] [Revised: 07/26/2023] [Accepted: 08/10/2023] [Indexed: 08/26/2023]
Abstract
Oxidative stress plays an important role in skeletal muscle atrophy during cancer cachexia, and more glycolytic muscles are preferentially affected. Sequestosome1/SQSTM1 (i.e., p62), particularly when phosphorylated at Ser 349 (Ser 351 in mice), competitively binds to the Kelch-like ECH-associated protein 1 (Keap1) activating Nuclear factor erythroid 2-related factor 2 (Nrf2). Nrf2 then stimulates the transcription of antioxidant/electrophile-responsive elements in target genes. However, a potential role for p62 in the protection of muscle wasting in cachexia remains to be determined. Here, using the well-established cachexia-inducing model of Lewis Lung Carcinoma (LLC) in mice we demonstrate higher expression of antioxidant proteins (i.e., NQO1, HO-1, GSTM1, CuZnSOD, MnSOD, and EcSOD) in the more oxidative and cachexia resistant soleus muscle than in the more glycolytic and cachexia prone extensor digitorum longus muscle. This was accompanied by higher p62 (total and phosphorylated) and nuclear Nrf2 levels in the soleus, which were paralleled by higher expression of proteins known to either phosphorylate or promote p62 phosphorylation (i.e., NBR1, CK1, PKCδ, and TAK1). Muscle-specific p62 gain-of-function (i.e., in p62 mTg mice) activated Nrf2 nuclear translocation and increased the expression of multiple antioxidant proteins (i.e., CuZnSOD, MnSOD, EcSOD, NQO1, and GSTM1) in glycolytic muscles. Interestingly, skeletal muscle Nrf2 haplodeficiency blunted the increases of most of these proteins (i.e., CuZnSOD, EcSOD, and NQO1) suggesting that muscle p62 stimulates antioxidant protein expression also via additional, yet to be determined mechanisms. Of note, p62 gain-of-function mitigated glycolytic muscle wasting in LLC-affected mice. Collectively, our findings identify skeletal muscle p62 as a potential therapeutic target for cancer cachexia.
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Affiliation(s)
- Mami Yamada
- Graduate School of Science, Nagoya City University, Nagoya, Japan
| | - Eiji Warabi
- Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Hisashi Oishi
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Vitor A. Lira
- Department of Health and Human Physiology, Obesity Research and Education Initiative, F.O.E. Diabetes Research Center, Abboud Cardiovascular Research Center, Pappajohn Biomedical Institute, The University of Iowa, IA, USA
| | - Mitsuharu Okutsu
- Graduate School of Science, Nagoya City University, Nagoya, Japan
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176
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Lee JR, Jeong KW. N-retinylidene- N-retinylethanolamine degradation in human retinal pigment epithelial cells via memantine- and ifenprodil-mediated autophagy. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2023; 27:449-456. [PMID: 37641807 PMCID: PMC10466070 DOI: 10.4196/kjpp.2023.27.5.449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 08/31/2023]
Abstract
N-methyl-D-aspartate (NMDA) receptors are ionic glutamine receptors involved in brain development and functions such as learning and memory formation. NMDA receptor inhibition is associated with autophagy activation. In this study, we investigated whether the NMDA receptor antagonists, memantine and ifenprodil, induce autophagy in human retinal pigment epithelial cells (ARPE-19) to remove Nretinylidene- N-retinylethanolamine (A2E), an intracellular lipofuscin component. Fluorometric analysis using labeled A2E (A2E-BDP) and confocal microscopic examination revealed that low concentrations of NMDA receptor antagonists, which did not induce cytotoxicity, significantly reduced A2E accumulation in ARPE-19 cells. In addition, memantine and ifenprodil activated autophagy in ARPE-19 cells as measured by microtubule-associated protein 1A/1B-light chain3-II formation and phosphorylated p62 protein levels. Further, to understand the correlation between memantine- and ifenprodil-mediated A2E degradation and autophagy, autophagy-related 5 (ATG5) was depleted using RNA interference. Memantine and ifenprodil failed to degrade A2E in ARPE-19 cells lacking ATG5. Taken together, our study indicates that the NMDA receptor antagonists, memantine and ifenprodil, can remove A2E accumulated in cells via autophagy activation in ARPE-19 cells.
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Affiliation(s)
- Jae Rim Lee
- College of Pharmacy, Gachon Research Institute of Pharmaceutical Sciences, Gachon University, Incheon 21936, Korea
| | - Kwang Won Jeong
- College of Pharmacy, Gachon Research Institute of Pharmaceutical Sciences, Gachon University, Incheon 21936, Korea
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177
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Zhou X, An B, Lin Y, Ni Y, Zhao X, Liang X. Molecular mechanisms of ROS-modulated cancer chemoresistance and therapeutic strategies. Biomed Pharmacother 2023; 165:115036. [PMID: 37354814 DOI: 10.1016/j.biopha.2023.115036] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/12/2023] [Accepted: 06/20/2023] [Indexed: 06/26/2023] Open
Abstract
Drug resistance is the main obstacle to achieving a cure in many cancer patients. Reactive oxygen species (ROS) are master regulators of cancer development that act through complex mechanisms. Remarkably, ROS levels and antioxidant content are typically higher in drug-resistant cancer cells than in non-resistant and normal cells, and have been shown to play a central role in modulating drug resistance. Therefore, determining the underlying functions of ROS in the modulation of drug resistance will contribute to develop therapies that sensitize cancer resistant cells by leveraging ROS modulation. In this review, we summarize the notable literature on the sources and regulation of ROS production and highlight the complex roles of ROS in cancer chemoresistance, encompassing transcription factor-mediated chemoresistance, maintenance of cancer stem cells, and their impact on the tumor microenvironment. We also discuss the potential of ROS-targeted therapies in overcoming tumor therapeutic resistance.
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Affiliation(s)
- Xiaoting Zhou
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu 610041, PR China
| | - Biao An
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu 610041, PR China
| | - Yi Lin
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu 610041, PR China
| | - Yanghong Ni
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu 610041, PR China
| | - Xia Zhao
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu 610041, PR China
| | - Xiao Liang
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu 610041, PR China.
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178
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Deramaudt TB, Chehaitly A, Charrière T, Arnaud J, Bonay M. High-Frequency Repetitive Magnetic Stimulation Activates Bactericidal Activity of Macrophages via Modulation of p62/Keap1/Nrf2 and p38 MAPK Pathways. Antioxidants (Basel) 2023; 12:1695. [PMID: 37759998 PMCID: PMC10525279 DOI: 10.3390/antiox12091695] [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: 07/21/2023] [Revised: 08/09/2023] [Accepted: 08/16/2023] [Indexed: 09/29/2023] Open
Abstract
The effects of repetitive magnetic stimulation (rMS) have predominantly been studied in excitable cells, with limited research in non-excitable cells. This study aimed to investigate the impact of rMS on macrophages, which are crucial cells in the innate immune defense. THP-1-derived macrophages subjected to a 5 min session of 10 Hz rMS exhibited increased Nrf2 activation and decreased Keap1 expression. We found that activation of the Nrf2 signaling pathway relied on rMS-induced phosphorylation of p62. Notably, rMS reduced the intracellular survival of Staphylococcus aureus in macrophages. Silencing Nrf2 using siRNA in THP-1-derived macrophages or utilizing Nrf2 knockout in alveolar macrophages abolished this effect. Additionally, rMS attenuated the expression of IL-1β and TNF-α inflammatory genes by S. aureus and inhibited p38 MAPK activation. These findings highlight the capacity of rMS to activate the non-canonical Nrf2 pathway, modulate macrophage function, and enhance the host's defense against bacterial infection.
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Affiliation(s)
- Therese B. Deramaudt
- U1179 INSERM, END-ICAP, UFR des Sciences de la Santé-Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines, 78180 Montigny-le-Bretonneux, France (M.B.)
| | - Ahmad Chehaitly
- U1179 INSERM, END-ICAP, UFR des Sciences de la Santé-Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines, 78180 Montigny-le-Bretonneux, France (M.B.)
| | - Théo Charrière
- U1179 INSERM, END-ICAP, UFR des Sciences de la Santé-Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines, 78180 Montigny-le-Bretonneux, France (M.B.)
| | - Julie Arnaud
- U1179 INSERM, END-ICAP, UFR des Sciences de la Santé-Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines, 78180 Montigny-le-Bretonneux, France (M.B.)
| | - Marcel Bonay
- U1179 INSERM, END-ICAP, UFR des Sciences de la Santé-Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines, 78180 Montigny-le-Bretonneux, France (M.B.)
- Service de Physiologie-Explorations Fonctionnelles, Hôpital Ambroise Paré, Assistance Publique-Hôpitaux de Paris, 92100 Boulogne-Billancourt, France
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179
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Lee W, Mun Y, Lee KY, Park JM, Chang TS, Choi YJ, Lee BH. Mefenamic Acid-Upregulated Nrf2/SQSTM1 Protects Hepatocytes against Oxidative Stress-Induced Cell Damage. TOXICS 2023; 11:735. [PMID: 37755745 PMCID: PMC10536671 DOI: 10.3390/toxics11090735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 09/28/2023]
Abstract
Mefenamic acid (MFA) is a commonly prescribed non-steroidal anti-inflammatory drug (NSAID) with anti-inflammatory and analgesic properties. MFA is known to have potent antioxidant properties and a neuroprotective effect against oxidative stress. However, its impact on the liver is unclear. This study aimed to elucidate the antioxidative effects of MFA and their underlying mechanisms. We observed that MFA treatment upregulated the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway. Treatment with various anthranilic acid derivative-class NSAIDs, including MFA, increased the expression of sequestosome 1 (SQSTM1) in HepG2 cells. MFA disrupted the interaction between Kelch-like ECH-associated protein 1 (Keap1) and Nrf2, activating the Nrf2 signaling pathway. SQTM1 knockdown experiments revealed that the effect of MFA on the Nrf2 pathway was masked in the absence of SQSTM1. To assess the cytoprotective effect of MFA, we employed tert-Butyl hydroperoxide (tBHP) as a ROS inducer. Notably, MFA exhibited a protective effect against tBHP-induced cytotoxicity in HepG2 cells. This cytoprotective effect was abolished when SQSTM1 was knocked down, suggesting the involvement of SQSTM1 in mediating the protective effect of MFA against tBHP-induced toxicity. In conclusion, this study demonstrated that MFA exhibits cytoprotective effects by upregulating SQSTM1 and activating the Nrf2 pathway. These findings improve our understanding of the pharmacological actions of MFA and highlight its potential as a therapeutic agent for oxidative stress-related conditions.
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Affiliation(s)
| | | | | | | | | | - You-Jin Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea; (W.L.); (Y.M.); (K.-Y.L.); (J.-M.P.); (T.-S.C.)
| | - Byung-Hoon Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea; (W.L.); (Y.M.); (K.-Y.L.); (J.-M.P.); (T.-S.C.)
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180
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Ning B, Hang S, Zhang W, Mao C, Li D. An update on the bridging factors connecting autophagy and Nrf2 antioxidant pathway. Front Cell Dev Biol 2023; 11:1232241. [PMID: 37621776 PMCID: PMC10445655 DOI: 10.3389/fcell.2023.1232241] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/24/2023] [Indexed: 08/26/2023] Open
Abstract
Macroautophagy/autophagy is a lysosome-dependent catabolic pathway for the degradation of intracellular proteins and organelles. Autophagy dysfunction is related to many diseases, including lysosomal storage diseases, cancer, neurodegenerative diseases, cardiomyopathy, and chronic metabolic diseases, in which increased reactive oxygen species (ROS) levels are also observed. ROS can randomly oxidize proteins, lipids, and DNA, causing oxidative stress and damage. Cells have developed various antioxidant pathways to reduce excessive ROS and maintain redox homeostasis. Treatment targeting only one aspect of diseases with autophagy dysfunction and oxidative stress shows very limited effects. Herein, identifying the bridging factors that can regulate both autophagy and antioxidant pathways is beneficial for dual-target therapies. This review intends to provide insights into the current identified bridging factors that connect autophagy and Nrf2 antioxidant pathway, as well as their tight interconnection with each other. These factors could be potential dual-purpose targets for the treatment of diseases implicated in both autophagy dysfunction and oxidative stress.
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Affiliation(s)
- Baike Ning
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Shuqi Hang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Wenhe Zhang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Caiwen Mao
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Dan Li
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
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181
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Adamson RJ, Payne NC, Bartual SG, Mazitschek R, Bullock AN. Structural and biochemical characterization establishes a detailed understanding of KEAP1-CUL3 complex assembly. Free Radic Biol Med 2023; 204:215-225. [PMID: 37156295 PMCID: PMC10564622 DOI: 10.1016/j.freeradbiomed.2023.04.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/22/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
KEAP1 promotes the ubiquitin-dependent degradation of NRF2 by assembling into a CUL3-dependent ubiquitin ligase complex. Oxidative and electrophilic stress inhibit KEAP1 allowing NRF2 to accumulate for the transactivation of stress response genes. To date there are no structures of the KEAP1-CUL3 interaction nor binding data to show the contributions of different domains to their binding affinity. We determined a crystal structure of the BTB and 3-box domains of human KEAP1 in complex with the CUL3 N-terminal domain that showed a heterotetrameric assembly with 2:2 stoichiometry. To support the structural data, we developed a versatile TR-FRET-based assay system to profile the binding of BTB-domain-containing proteins to CUL3 and determine the contribution of distinct protein features, revealing the importance of the CUL3 N-terminal extension for high affinity binding. We further provide direct evidence that the investigational drug CDDO does not disrupt the KEAP1-CUL3 interaction, even at high concentrations, but reduces the affinity of KEAP1-CUL3 binding. The TR-FRET-based assay system offers a generalizable platform for profiling this protein class and may form a suitable screening platform for ligands that disrupt these interactions by targeting the BTB or 3-box domains to block E3 ligase function.
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Affiliation(s)
- Roslin J Adamson
- Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK
| | - N Connor Payne
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA; Department of Chemistry & Chemical Biology, Harvard University, Cambridge, MA, 02138, USA
| | - Sergio G Bartual
- Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK
| | - Ralph Mazitschek
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA; Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA, 02142, USA.
| | - Alex N Bullock
- Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK.
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182
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Jiang F, Jia K, Chen Y, Ji C, Chong X, Li Z, Zhao F, Bai Y, Ge S, Gao J, Zhang X, Li J, Shen L, Zhang C. ANO1-Mediated Inhibition of Cancer Ferroptosis Confers Immunotherapeutic Resistance through Recruiting Cancer-Associated Fibroblasts. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300881. [PMID: 37341301 PMCID: PMC10460848 DOI: 10.1002/advs.202300881] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/01/2023] [Indexed: 06/22/2023]
Abstract
The application of immunotherapy in gastrointestinal (GI) cancers remains challenging because of the limited response rate and emerging therapeutic resistance. Combining clinical cohorts, multi-omics study, and functional/molecular experiments, it is found that ANO1 amplification or high-expression predicts poor outcomes and resistance to immunotherapy for GI cancer patients. Knocking-down or inhibiting ANO1 suppresses the growth/metastasis/invasion of multiple GI cancer cell lines, cell-derived xenograft, and patient-derived xenograft models. ANO1 contributes to an immune-suppressive tumor microenvironment and induces acquired resistance to anti-PD-1 immunotherapy, while ANO1 knockdown or inhibition enhances immunotherapeutic effectiveness and overcomes resistance to immunotherapy. Mechanistically, through inhibiting cancer ferroptosis in a PI3K-Akt signaling-dependent manner, ANO1 enhances tumor progression and facilitates cancer-associated fibroblast recruitment by promoting TGF-β release, thus crippling CD8+ T cell-mediated anti-tumor immunity and generating resistance to immunotherapy. This work highlights ANO1's role in mediating tumor immune microenvironment remodeling and immunotherapeutic resistance, and introduces ANO1 as a promising target for GI cancers' precision treatment.
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Affiliation(s)
- Fangli Jiang
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Keren Jia
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Yang Chen
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Congcong Ji
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Xiaoyi Chong
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Zhongwu Li
- Department of PathologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Feilong Zhao
- Department of Medical Affairs3D Medicines, Inc.Shanghai201199P. R. China
| | - Yuezong Bai
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Sai Ge
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Jing Gao
- Department of OncologyShenzhen Key Laboratory of Gastrointestinal Cancer Translational ResearchCancer InstitutePeking University Shenzhen HospitalShenzhen‐Peking University‐Hong Kong University of Science and Technology Medical CenterShenzhen518000P. R. China
| | - Xiaotian Zhang
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Jian Li
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Lin Shen
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
| | - Cheng Zhang
- Department of Gastrointestinal OncologyKey Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijing100142P. R. China
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183
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Cazzaro S, Woo JAA, Wang X, Liu T, Rego S, Kee TR, Koh Y, Vázquez-Rosa E, Pieper AA, Kang DE. Slingshot homolog-1-mediated Nrf2 sequestration tips the balance from neuroprotection to neurodegeneration in Alzheimer's disease. Proc Natl Acad Sci U S A 2023; 120:e2217128120. [PMID: 37463212 PMCID: PMC10374160 DOI: 10.1073/pnas.2217128120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 06/16/2023] [Indexed: 07/20/2023] Open
Abstract
Oxidative damage in the brain is one of the earliest drivers of pathology in Alzheimer's disease (AD) and related dementias, both preceding and exacerbating clinical symptoms. In response to oxidative stress, nuclear factor erythroid 2-related factor 2 (Nrf2) is normally activated to protect the brain from oxidative damage. However, Nrf2-mediated defense against oxidative stress declines in AD, rendering the brain increasingly vulnerable to oxidative damage. Although this phenomenon has long been recognized, its mechanistic basis has been a mystery. Here, we demonstrate through in vitro and in vivo models, as well as human AD brain tissue, that Slingshot homolog-1 (SSH1) drives this effect by acting as a counterweight to neuroprotective Nrf2 in response to oxidative stress and disease. Specifically, oxidative stress-activated SSH1 suppresses nuclear Nrf2 signaling by sequestering Nrf2 complexes on actin filaments and augmenting Kelch-like ECH-associated protein 1 (Keap1)-Nrf2 interaction, independently of SSH1 phosphatase activity. We also show that Ssh1 elimination in AD models increases Nrf2 activation, which mitigates tau and amyloid-β accumulation and protects against oxidative injury, neuroinflammation, and neurodegeneration. Furthermore, loss of Ssh1 preserves normal synaptic function and transcriptomic patterns in tauP301S mice. Importantly, we also show that human AD brains exhibit highly elevated interactions of Nrf2 with both SSH1 and Keap1. Thus, we demonstrate here a unique mode of Nrf2 blockade that occurs through SSH1, which drives oxidative damage and ensuing pathogenesis in AD. Strategies to inhibit SSH1-mediated Nrf2 suppression while preserving normal SSH1 catalytic function may provide new neuroprotective therapies for AD and related dementias.
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Affiliation(s)
- Sara Cazzaro
- Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Department of Molecular Medicine, University of South Florida Health College of Medicine, Tampa, FL33620
| | - Jung-A A. Woo
- Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH44106
| | - Xinming Wang
- Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH44106
| | - Tian Liu
- Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH44106
| | - Shanon Rego
- Department of Molecular Medicine, University of South Florida Health College of Medicine, Tampa, FL33620
| | - Teresa R. Kee
- Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Department of Molecular Medicine, University of South Florida Health College of Medicine, Tampa, FL33620
| | - Yeojung Koh
- Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Department of Psychiatry, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Institute for Transformative Molecular Medicine, Case Western Reserve University, School of Medicine, Cleveland, OH44106
| | - Edwin Vázquez-Rosa
- Department of Psychiatry, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Institute for Transformative Molecular Medicine, Case Western Reserve University, School of Medicine, Cleveland, OH44106
| | - Andrew A. Pieper
- Department of Psychiatry, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Institute for Transformative Molecular Medicine, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Department of Neuroscience, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Geriatric Psychiatry, Geriatric Research Education and Clinical Center, Louis Stokes Cleveland Veteran Affairs Medical Center, Cleveland, OH44106
- Brain Health Medicines, Center Harrington Discovery Institute, Cleveland, OH44106
| | - David E. Kang
- Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH44106
- Louis Stokes Cleveland Veteran Affairs Medical Center, Cleveland, OH44106
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184
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Stanca L, Geicu OI, Serban AI, Dinischiotu A. Interplay of Oxidative Stress, Inflammation, and Autophagy in RAW 264.7 Murine Macrophage Cell Line Challenged with Si/SiO 2 Quantum Dots. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5083. [PMID: 37512357 PMCID: PMC10385521 DOI: 10.3390/ma16145083] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 07/07/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023]
Abstract
Quantum dots (QDs) with photostable fluorescence are recommended for imaging applications; however, their effect on living cells is incompletely understood. We aimed to elucidate the RAW 264.7 murine macrophage cell line's response to the Si/SiO2 QDs challenge. Cells were exposed to 5 and 15 μg/mL Si/SiO2 QDs for 6 h, 12 h, and 24 h. Cell metabolic activity and viability were assessed by MTT, live/dead, and dye-exclusion assays. Oxidative stress and membrane integrity were assessed by anion superoxide, malondialdehyde, and lactate dehydrogenase activity evaluations. Antioxidative enzyme activities were analyzed by kinetic spectrophotometric methods. Cytokines were analyzed with an antibody-based magnetic bead assay, PGE2 was assessed by ELISA, and Nrf-2, Bcl-2, Beclin 1, and the HSPs were analyzed by western blot. Autophagy levels were highlighted by fluorescence microscopy. The average IC50 dose for 6, 12, and 24 h was 16.1 ± 0.7 μg/mL. Although glutathione S-transferase and catalase were still upregulated after 24 h, superoxide dismutase was inhibited, which together allowed the gradual increase of malondialdehyde, anion superoxide, nitric oxide, and the loss of membrane integrity. G-CSF, IL-6, TNF-α, MIP-1β, MCP-1, Nrf-2, PGE2, and RANTES levels, as well as autophagy processes, were increased at all time intervals, as opposed to caspase 1 activity, COX-2, HSP60, and HSP70, which were only upregulated at the 6-h exposure interval. These results underscore that Si/SiO2 QDs possess significant immunotoxic effects on the RAW 264.7 macrophage cell line and stress the importance of developing effective strategies to mitigate their adverse impact.
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Affiliation(s)
- Loredana Stanca
- Preclinical Sciences Department, Faculty of Veterinary Medicine, University of Agronomical Sciences and Veterinary Medicine Bucharest, 105 Splaiul Independentei, 050097 Bucharest, Romania
| | - Ovidiu Ionut Geicu
- Preclinical Sciences Department, Faculty of Veterinary Medicine, University of Agronomical Sciences and Veterinary Medicine Bucharest, 105 Splaiul Independentei, 050097 Bucharest, Romania
| | - Andreea Iren Serban
- Preclinical Sciences Department, Faculty of Veterinary Medicine, University of Agronomical Sciences and Veterinary Medicine Bucharest, 105 Splaiul Independentei, 050097 Bucharest, Romania
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania
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185
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Otsuka N, Shimizu K, Taniai M, Tokushige K. Risk factors for fatty pancreas and effects of fatty infiltration on pancreatic cancer. Front Physiol 2023; 14:1243983. [PMID: 37664430 PMCID: PMC10470060 DOI: 10.3389/fphys.2023.1243983] [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: 06/21/2023] [Accepted: 07/25/2023] [Indexed: 09/05/2023] Open
Abstract
Objective: This study clarified the risk factors and pathophysiology of pancreatic cancer by examining the factors associated with fatty pancreas. Methods: The degree of fatty pancreas, background factors, and incidence of pancreatic cancer were examined among nonalcoholic fatty liver disease (NAFLD) patients (n = 281) and intraductal papillary mucinous neoplasm (IPMN) patients with a family history of pancreatic cancer (n = 38). The presence of fatty pancreas was confirmed by the pancreatic CT value/splenic CT value ratio (P/S ratio). Immunohistochemical staining was performed on 10 cases with fatty pancreas, confirmed via postoperative pathology. Results: Fatty pancreas occurred in 126 patients (44.8%) in the NAFLD group who were older (p = 0.0002) and more likely to have hypertension (p < 0.0001). The IPMN group had 18 patients (47.4%) with fatty pancreas, included more men than women (p = 0.0056), and was more likely to have patients with hypertension (p = 0.0010). On histological examination, a significant infiltration of adipocytes into the acini from the pancreatic interstitium induced atrophy of the pancreatic parenchyma, and both M1 and M2 macrophages were detected in the area where adipocytes invaded the pancreatic parenchyma. Accumulation of p62 and increased positive staining of NQO1 molecules related to autophagy dysfunction were detected in pancreatic acinar cells in the fatty area, acinar-ductal metaplasia, and pancreatic cancer cells. The rate of p62-positive cell area and that of NQO1-positive cell area were significantly higher in the fatty pancreatic region than those in the control lesion (pancreatic region with few adipocyte infiltration). Furthermore, the rate of p62-positive cell area or that of NQO1-positive cell area showed strong positive correlations with the rate of fatty pancreatic lesion. These results suggest that adipocyte invasion into the pancreatic parenthyme induced macrophage infiltration and autophagy substrate p62 accumulation. High levels of NQO1 expression in the fatty area may be dependent on p62 accumulation. Conclusion: Hypertension was a significant risk factor for fatty pancreas in patients with NAFLD and IPMN. In fatty pancreas, fatty infiltration into the pancreatic parenchyme might induce autophagy dysfunction, resulting in activation of antioxidant proteins NQO1. Thus, patients with fatty pancreas require careful follow-up.
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Affiliation(s)
- Nao Otsuka
- Department of Internal Medicine, Institute of Gastroenterology, Tokyo Women’s Medical University, Tokyo, Japan
| | - Kyoko Shimizu
- Department of Internal Medicine, Institute of Gastroenterology, Tokyo Women’s Medical University, Tokyo, Japan
- Shinjuku Mitsui Building Clinic, Tokyo, Japan
| | - Makiko Taniai
- Department of Internal Medicine, Institute of Gastroenterology, Tokyo Women’s Medical University, Tokyo, Japan
| | - Katsutoshi Tokushige
- Department of Internal Medicine, Institute of Gastroenterology, Tokyo Women’s Medical University, Tokyo, Japan
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186
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Zhao Z, Dong R, You Q, Jiang Z. Medicinal Chemistry Insights into the Development of Small-Molecule Kelch-Like ECH-Associated Protein 1-Nuclear Factor Erythroid 2-Related Factor 2 (Keap1-Nrf2) Protein-Protein Interaction Inhibitors. J Med Chem 2023. [PMID: 37441735 DOI: 10.1021/acs.jmedchem.3c00712] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Oxidative stress has been implicated in a wide range of pathological conditions. The transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) exerts a central role in regulating the cellular defense system against oxidative and electrophilic insults. Nonelectrophilic inhibition of the protein-protein interaction (PPI) between Kelch-like ECH-associated protein 1 (Keap1) and Nrf2 has become a promising approach to activate Nrf2. Recently, multiple drug discovery strategies have facilitated the development of small-molecule Keap1-Nrf2 PPI inhibitors with potent activity and favorable drug-like properties. In this Perspective, we summarize the latest progress of small-molecule Keap1-Nrf2 PPI inhibitors from medicinal chemistry insights and discuss future prospects and challenges in this field.
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Affiliation(s)
- Ziquan Zhao
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Ruitian Dong
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qidong You
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Zhengyu Jiang
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
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187
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Barthels D, Prateeksha P, Nozohouri S, Villalba H, Zhang Y, Sharma S, Anderson S, Howlader MSI, Nambiar A, Abbruscato TJ, Das H. Dental Pulp-Derived Stem Cells Preserve Astrocyte Health During Induced Gliosis by Modulating Mitochondrial Activity and Functions. Cell Mol Neurobiol 2023; 43:2105-2127. [PMID: 36201091 PMCID: PMC11412198 DOI: 10.1007/s10571-022-01291-8] [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: 05/31/2022] [Accepted: 09/27/2022] [Indexed: 11/03/2022]
Abstract
Astrocytes have been implicated in the onset and complication of various central nervous system (CNS) injuries and disorders. Uncontrolled astrogliosis (gliosis), while a necessary process for recovery after CNS trauma, also causes impairments in CNS performance and functions. The ability to preserve astrocyte health and better regulate the gliosis process could play a major role in controlling damage in the aftermath of acute insults and during chronic dysfunction. Here in, we demonstrate the ability of dental pulp-derived stem cells (DPSCs) in protecting the health of astrocytes during induced gliosis. First of all, we have characterized the expression of genes in primary astrocytes that are relevant to the pathological conditions of CNS by inducing gliosis. Subsequently, we found that astrocytes co-cultured with DPSCs reduced ROS production, NRF2 and GCLM expressions, mitochondrial membrane potential, and mitochondrial functions compared to the astrocytes that were not co-cultured with DPSCs in gliosis condition. In addition, hyperactive autophagy was also decreased in astrocytes that were co-cultured with DPSCs compared to the astrocytes that were not co-cultured with DPSCs during gliosis. This reversal and mitigation of gliosis in astrocytes were partly due to induction of neurogenesis in DPSCs through enhanced expressions of the neuronal genes like GFAP, NeuN, and Synapsin in DPSCs and by secretion of higher amounts of neurotropic factors, such as BDNF, GDNF, and TIMP-2. Protein-Protein docking analysis suggested that BDNF and GDNF can bind with CSPG4 and block the downstream signaling. Together these findings demonstrate novel functions of DPSCs to preserve astrocyte health during gliosis.
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Affiliation(s)
- Derek Barthels
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Prateeksha Prateeksha
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Saeideh Nozohouri
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Heidi Villalba
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Yong Zhang
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Sejal Sharma
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Sarah Anderson
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Md Sariful Islam Howlader
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Adarsh Nambiar
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Thomas J Abbruscato
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Hiranmoy Das
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA.
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188
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Li J, Arest S, Olszowy B, Gordon J, Barrero CA, Perez-Leal O. CRISPR/Cas9-Based Screening of FDA-Approved Drugs for NRF2 Activation: A Novel Approach to Discover Therapeutics for Non-Alcoholic Fatty Liver Disease. Antioxidants (Basel) 2023; 12:1363. [PMID: 37507903 PMCID: PMC10375998 DOI: 10.3390/antiox12071363] [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: 06/05/2023] [Revised: 06/16/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023] Open
Abstract
With the rising prevalence of obesity, non-alcoholic fatty liver disease (NAFLD) now affects 20-25% of the global population. NAFLD, a progressive condition associated with oxidative stress, can result in cirrhosis and liver cancer in 10% and 3% of patients suffering NAFLD, respectively. Therapeutic options are currently limited, emphasizing the need for novel treatments. In this study, we examined the potential of activating the transcription factor NRF2, a crucial player in combating oxidative stress, as an innovative approach to treating NAFLD. Utilizing a CRISPR/Cas9-engineered human HEK293T cell line, we were able to monitor the expression of heme oxygenase-1 (HMOX1), an NRF2 target, using a Nanoluc luciferase tag. Our model was validated using a known NRF2 activator, after which we screened 1200 FDA-approved drugs, unearthing six compounds (Disulfiram, Thiostrepton, Auranofin, Thimerosal, Halofantrine, and Vorinostat) that enhanced NRF2 activity and antioxidant response. These compounds demonstrated protective effects against oxidative stress induced by hydrogen peroxide and lipid droplets accumulation in vitro with hepatoma HUH-7 cells. Our study underscores the utility of CRISPR/Cas9 tagging with Nanoluc luciferase in identifying potential NRF2 activators, paving the way for potential NAFLD therapeutics.
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Affiliation(s)
| | | | | | | | | | - Oscar Perez-Leal
- Department of Pharmaceutical Sciences, Moulder Center for Drug Discovery, School of Pharmacy, Temple University, Philadelphia, PA 19140, USA
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189
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Aihara S, Torisu K, Uchida Y, Imazu N, Nakano T, Kitazono T. Spermidine from arginine metabolism activates Nrf2 and inhibits kidney fibrosis. Commun Biol 2023; 6:676. [PMID: 37380734 DOI: 10.1038/s42003-023-05057-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 06/20/2023] [Indexed: 06/30/2023] Open
Abstract
Kidney metabolism may be greatly altered in chronic kidney disease. Here we report that arginine metabolism is the most altered in unilateral ureteral obstruction (UUO)-induced fibrosis of the kidneys in metabolomic analysis. Spermidine is the most increased metabolite of arginine. In human glomerulonephritis, the amount of spermidine shown by immunostaining is associated with the amount of fibrosis. In human proximal tubule cells, spermidine induces nuclear factor erythroid 2-related factor 2 (Nrf2). Subsequently, fibrotic signals, such as transforming growth factor β1 secretion, collagen 1 mRNA, and oxidative stress, represented by a decrease in the mitochondrial membrane potential is suppressed by spermidine. UUO kidneys of Arg2 knockout mice show less spermidine and significantly exacerbated fibrosis compared with wild-type mice. Nrf2 activation is reduced in Arg2 knockout UUO kidneys. Spermidine treatment prevents significant fibrotic progression in Arg2 knockout mice. Spermidine is increased in kidney fibrosis, but further increases in spermidine may reduce fibrosis.
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Affiliation(s)
- Seishi Aihara
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kumiko Torisu
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
- Department of Integrated Therapy for Chronic Kidney Disease, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Yushi Uchida
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Noriyuki Imazu
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Toshiaki Nakano
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
- Center for Cohort Studies, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, Japan.
| | - Takanari Kitazono
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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190
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Hanafy NAN, Sheashaa RF, Moussa EA, Mahfouz ME. Potential of curcumin and niacin-loaded targeted chitosan coated liposomes to activate autophagy in hepatocellular carcinoma cells: An in vitro evaluation in HePG2 cell line. Int J Biol Macromol 2023; 245:125572. [PMID: 37385311 DOI: 10.1016/j.ijbiomac.2023.125572] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 06/18/2023] [Accepted: 06/24/2023] [Indexed: 07/01/2023]
Abstract
The objective of this study is to activate autophagy in hepatocellular carcinoma for the enhancement of its cellular degradation. Liposomes incorporated chitosan in the core used to improve the stability of lecithin and increase the niacin loading efficiency. Additionally, curcumin as a hydrophobic molecule entrapped into liposomal layers and used as a face layer to minimize the release of niacin in physiological pH 7.2. Folic acid-conjugated chitosan was used to facilitate the delivery of liposomes into a specific location of cancer cells. TEM, UV Visible spectrophotometer, and FTIR confirmed the successful liposomal formation and good encapsulation efficiency. Based on the cellular proliferation of HePG2, the results revealed that there was a significant inhibition of growth rate of HePG2 after 48 h of incubation at a concentration of 100 μg/mL by 91 % ± 1 %, P ≤ 0.002 (pure niacin), 55 % ± 3 %, P ≤ 0.001 (pure curcumin), 83 % ± 1.5 %, P ≤ 0.001 (niacin NPs), and 51 % ± 1.5 % P ≤ 0.0001 (curcumin-niacin NPs) of relative to the control. Increasingly, The expression of mRNA of mTOR was significantly increased by 0.72 ± 0.08 P ≤ 0.001, 1 ± 0.1, 0. P ≤ 0.001, 5 ± 0.07 P ≤ 0.01, and 1.3 ± 0.02 P ≤ 0.001 folds) in pure niacin, pure curcumin, niacin NPs and curcumin -niacin NPs, respectively, relative to the control with an expression of 0.3 ± 0.08. Additionally, the expression of p62 mRNA was significantly increased by 0.92 ± 0.07 P ≤ 0.05, 1.7 ± 0.07 P ≤ 0.0001, 0.72 ± 0.08 P ≤ 0.5, and 2.1 ± 0.1 P ≤ 0.0001 folds relative to that of the control with an expression of 0.72 ± 0.08. The results highlight the efficient therapies of biomaterials derived from natural sources that can be used in cancer therapies instead of traditional chemotherapies.
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Affiliation(s)
- Nemany A N Hanafy
- Institute of Nanoscience and Nanotechnology, Kafrelsheikh University, 33516 Kafrelsheikh, Egypt.
| | - Rehab Fouad Sheashaa
- Department of Zoology, Faculty of Science, Kafrelsheikh University, 33516 Kafrelsheikh, Egypt
| | - Eman A Moussa
- Department of Zoology, Faculty of Science, Kafrelsheikh University, 33516 Kafrelsheikh, Egypt
| | - Magdy E Mahfouz
- Department of Zoology, Faculty of Science, Kafrelsheikh University, 33516 Kafrelsheikh, Egypt
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191
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Dong L, Xu M, Li Y, Xu W, Wu C, Zheng H, Xiao Z, Sun G, Ding L, Li X, Li W, Zhou L, Xia Q. SMURF1 attenuates endoplasmic reticulum stress by promoting the degradation of KEAP1 to activate NRF2 antioxidant pathway. Cell Death Dis 2023; 14:361. [PMID: 37316499 PMCID: PMC10267134 DOI: 10.1038/s41419-023-05873-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 05/04/2023] [Accepted: 05/31/2023] [Indexed: 06/16/2023]
Abstract
Cancer cells consistently utilize the unfolded protein response (UPR) to encounter the abnormal endoplasmic reticulum (ER) stress induced by the accumulation of misfolded proteins. Extreme activation of the UPR could also provoke maladaptive cell death. Previous reports have shown that NRF2 antioxidant signaling is activated by UPR and serves as noncanonical pathway to defense and reduce excessive ROS levels during ER stress. However, the mechanisms of regulating NRF2 signaling upon ER stress in glioblastoma have not been fully elucidated. Here we identify that SMURF1 protects against ER stress and facilitates glioblastoma cell survival by rewiring KEAP1-NRF2 pathway. We show that ER stress induces SMURF1 degradation. Knockdown of SMURF1 upregulates IRE1 and PERK signaling in the UPR pathway and prevents ER-associated protein degradation (ERAD) activity, leading to cell apoptosis. Importantly, SMURF1 overexpression activates NRF2 signaling to reduce ROS levels and alleviate UPR-mediated cell death. Mechanistically, SMURF1 interacts with and ubiquitinates KEAP1 for its degradation (NRF2 negative regulator), resulting in NRF2 nuclear import. Moreover, SMURF1 loss reduces glioblastoma cell proliferation and growth in subcutaneously implanted nude mice xenografts. Taken together, SMURF1 rewires KEAP1-NRF2 pathway to confer resistance to ER stress inducers and protect glioblastoma cell survival. ER stress and SMURF1 modulation may provide promising therapeutic targets for the treatment of glioblastoma.
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Affiliation(s)
- Lei Dong
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Mengchuan Xu
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Yang Li
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Wanting Xu
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Chengwei Wu
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Hanfei Zheng
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Zhenyu Xiao
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Guochen Sun
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Lei Ding
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Anesthesiology, Peking University Cancer Hospital & Institute, Beijing, 100142, China
| | - Xiaobo Li
- BeiJing Tide Pharmaceutical Co. LTD, BeiJing, 102600, China
| | - Wenming Li
- BeiJing Tide Pharmaceutical Co. LTD, BeiJing, 102600, China
| | - Liying Zhou
- BeiJing Tide Pharmaceutical Co. LTD, BeiJing, 102600, China
| | - Qin Xia
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China.
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192
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Mazhar M, Yang G, Xu H, Liu Y, Liang P, Yang L, Spáčil R, Shen H, Zhang D, Ren W, Yang S. Zhilong Huoxue Tongyu capsule attenuates intracerebral hemorrhage induced redox imbalance by modulation of Nrf2 signaling pathway. Front Pharmacol 2023; 14:1197433. [PMID: 37351503 PMCID: PMC10282143 DOI: 10.3389/fphar.2023.1197433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/24/2023] [Indexed: 06/24/2023] Open
Abstract
Background: One of the severely debilitating and fatal subtypes of hemorrhagic stroke is intracerebral hemorrhage (ICH), which lacks an adequate cure at present. The Zhilong Huoxue Tongyu (ZLHXTY) capsule has been utilized effectively since last decade to treat ICH, in some provinces of China but the scientific basis for its mechanism is lacking. Purpose: To investigate the neuroprotective role of ZLHXTY capsules for ICH-induced oxidative injury through the regulation of redox imbalance with the Nrf2 signaling pathway. Methods: Autologous blood injection model of ICH in C57BL/6J mice was employed. Three treatment groups received ZLHXTY once daily through oral gavage at doses 0.35 g/kg, 0.7 g/kg, and 1.4 g/kg, started after 2 h and continued for 72 h of ICH induction. The neurological outcome was measured using a balance beam test. Serum was tested for inflammatory markers IL-1β, IL-6, and TNF-α through ELISA, oxidative stress through hydrogen peroxide content assay, and antioxidant status by total antioxidant capacity (T-AOC) assay. Nuclear extract from brain tissue was assayed for Nrf2 transcriptional factor activity. RT-qPCR was performed for Nfe2l2, Sod1, Hmox1, Nqo1, and Mgst1; and Western blotting for determination of protein expression of Nrf2, p62, Pp62, Keap, HO1, and NQO1. Fluoro-jade C staining was also used to examine neuronal damage. Results: ZLHXTY capsule treatment following ICH demonstrated a protective effect against oxidative brain injury. Neurological scoring showed improvement in behavioral outcomes. ELISA-based identification demonstrated a significant decline in the expression of serum inflammatory markers. Hydrogen peroxide content in serum was found to be reduced. The total antioxidant capacity was also reduced in serum, but the ZLHXTY extract showed a concentration-dependent increase in T-AOC speculating at its intrinsic antioxidant potential. Nrf2 transcriptional factor activity, mRNA and protein expression analyses revealed normalization of Nrf2 and its downstream targets, which were previously elevated as a result of oxidative stress induced by ICH. Neuronal damage was also reduced markedly after ZLHXTY treatment as revealed by Fluoro-jade C staining. Conclusion: ZLHXTY capsules possess an intrinsic antioxidant potential that can modulate the ICH-induced redox imbalance in the brain as revealed by the normalization of Nrf2 and its downstream antioxidant targets.
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Affiliation(s)
- Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Guoqiang Yang
- Research Center for Integrated Chinese and Western Medicine, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Molecular Imaging and Therapy Research Unit, Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Houping Xu
- Preventive Treatment Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Yulin Liu
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Pan Liang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Luyin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Roman Spáčil
- The Czech Center for Traditional Chinese Medicine, Olomouc, Czechia
| | - Hongping Shen
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Dechou Zhang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Wei Ren
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
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193
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Thorley J, Thomas C, Bailey SJ, Martin NRW, Bishop NC, Clifford T. Mechanically demanding eccentric exercise increases nuclear factor erythroid 2-related factor 2 activity in human peripheral blood mononuclear cells. J Sports Sci 2023; 41:1231-1239. [PMID: 37756518 DOI: 10.1080/02640414.2023.2263713] [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: 08/05/2023] [Accepted: 09/20/2023] [Indexed: 09/29/2023]
Abstract
PRE-REGISTRATION NUMBER osf.io/kz37g.
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Affiliation(s)
- Josh Thorley
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Craig Thomas
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Stephen J Bailey
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Neil R W Martin
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Nicolette C Bishop
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Tom Clifford
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
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194
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Park SJ, Jang JW, Moon EY. Bisphenol A-induced autophagy ameliorates human B cell death through Nrf2-mediated regulation of Atg7 and Beclin1 expression by Syk activation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 260:115061. [PMID: 37257343 DOI: 10.1016/j.ecoenv.2023.115061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/12/2023] [Accepted: 05/21/2023] [Indexed: 06/02/2023]
Abstract
The widely used plasticizer bisphenol A (BPA) is known as an endocrine-disrupting chemical (EDC). Many studies have shown that BPA contributes to diseases involving immune system alterations, but the underlying mechanisms have yet to be elucidated. We previously reported that BPA at concentration of 100 μM caused human B cell death in accordance with an increase in nuclear factor (erythroid-derived 2)-like 2(Nrf2) expression. Autophagy is a cellular process that degraded and recycles cytoplasmic constituents. Here, we investigated whether BPA induces autophagy through Nrf2, which is associated with regulation of B cell death using human WiL2-NS lymphoblast B cells. Then, cell viability was assessed by various assays using trypan blue, MTT or Celltiter glo luminescent substrate and DAPI. When WiL2-NS cells were treated with BPA, cell viability was decreased and LC3 autophagy cargo protein/puncta was increased. BPA-induced autophagy was confirmed by the modification of LC3 puncta formation or autophagy flux turnover with the treatment of hydroxychloroquine(HCQ), NH4Cl and PI3K inhibitors including 3-methyladenine(3-MA), LY294002 and wortmannin. BPA treatment increased the expression of autophagy-related gene(Atg)7 and Beclin1 as well as Nrf2 induced by the production of reactive oxygen species (ROS). The inhibition of autophagy with siAtg7 or siBeclin1 and Nrf2 depletion aggravated BPA-induced cell death. BPA enhanced the bound of Nrf2 to the specific region on Beclin1 and Atg7 promoter. Spleen tyrosine kinase(Syk) activity was enhanced in response to BPA treatment. Bay61-3606, Syk inhibitor, decreased LC3 and the expression of Atg7 and Beclin1, leading to the increase of BPA-induced B cell death. The results suggest that BPA-induced autophagy ameliorates human B cell death through Nrf2-mediated regulation of Atg7 and Beclin1 expression.
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Affiliation(s)
- So-Jeong Park
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul 05006, the Republic of Korea
| | - Ju-Won Jang
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul 05006, the Republic of Korea
| | - Eun-Yi Moon
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul 05006, the Republic of Korea.
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195
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Abstract
Cells keep their proteome functional by the action of the proteostasis network, composed of the chaperones, the ubiquitin-proteasome system and autophagy. The decline of this network results in the accumulation of protein aggregates and is associated with aging and disease. In this Cell Science at a Glance and accompanying poster, we provide an overview of the molecular mechanisms of the removal of protein aggregates by a selective autophagy pathway, termed aggrephagy. We outline how aggrephagy is regulated by post-translational modifications and via auxiliary proteins. We further describe alternative aggrephagy pathways in physiology and their disruption in pathology. In particular, we discuss aggrephagy pathways in neurons and accumulation of protein aggregates in a wide range of diseases. Finally, we highlight strategies to reprogram aggrephagy to treat protein aggregation diseases.
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Affiliation(s)
- Bernd Bauer
- Max Perutz Labs, University of Vienna, Vienna BioCenter, Dr Bohr-Gasse 9/5, 1030 Vienna, Austria
- Vienna BioCenter PhD Program, Doctoral School of the University of Vienna and Medical University of Vienna, Campus-Vienna-Biocenter 1, 1030 Vienna, Austria
| | - Sascha Martens
- Max Perutz Labs, University of Vienna, Vienna BioCenter, Dr Bohr-Gasse 9/5, 1030 Vienna, Austria
| | - Luca Ferrari
- Max Perutz Labs, University of Vienna, Vienna BioCenter, Dr Bohr-Gasse 9/5, 1030 Vienna, Austria
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196
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Kurusu R, Fujimoto Y, Morishita H, Noshiro D, Takada S, Yamano K, Tanaka H, Arai R, Kageyama S, Funakoshi T, Komatsu-Hirota S, Taka H, Kazuno S, Miura Y, Koike M, Wakai T, Waguri S, Noda NN, Komatsu M. Integrated proteomics identifies p62-dependent selective autophagy of the supramolecular vault complex. Dev Cell 2023:S1534-5807(23)00191-0. [PMID: 37192622 DOI: 10.1016/j.devcel.2023.04.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 03/13/2023] [Accepted: 04/25/2023] [Indexed: 05/18/2023]
Abstract
In addition to membranous organelles, autophagy selectively degrades biomolecular condensates, in particular p62/SQSTM1 bodies, to prevent diseases including cancer. Evidence is growing regarding the mechanisms by which autophagy degrades p62 bodies, but little is known about their constituents. Here, we established a fluorescence-activated-particle-sorting-based purification method for p62 bodies using human cell lines and determined their constituents by mass spectrometry. Combined with mass spectrometry of selective-autophagy-defective mouse tissues, we identified vault, a large supramolecular complex, as a cargo within p62 bodies. Mechanistically, major vault protein directly interacts with NBR1, a p62-interacting protein, to recruit vault into p62 bodies for efficient degradation. This process, named vault-phagy, regulates homeostatic vault levels in vivo, and its impairment may be associated with non-alcoholic-steatohepatitis-derived hepatocellular carcinoma. Our study provides an approach to identifying phase-separation-mediated selective autophagy cargoes, expanding our understanding of the role of phase separation in proteostasis.
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Affiliation(s)
- Reo Kurusu
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Yuki Fujimoto
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Hideaki Morishita
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan.
| | - Daisuke Noshiro
- Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan
| | - Shuhei Takada
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Koji Yamano
- Department of Biomolecular Pathogenesis, Medical Research Institute, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-8510, Japan
| | - Hideaki Tanaka
- Laboratory for Protein Crystallography, Institute for Protein Research, Osaka University, Suita, Osaka 565-0871, Japan
| | - Ritsuko Arai
- Department of Anatomy and Histology, Fukushima Medical University School of Medicine, Hikarigaoka, Fukushima 960-1295, Japan
| | - Shun Kageyama
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Tomoko Funakoshi
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Satoko Komatsu-Hirota
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Hikari Taka
- Laboratory of Proteomics and Biomolecular Science, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Saiko Kazuno
- Laboratory of Proteomics and Biomolecular Science, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Yoshiki Miura
- Laboratory of Proteomics and Biomolecular Science, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Masato Koike
- Department of Cell Biology and Neuroscience, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Toshifumi Wakai
- Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Niigata 951-8510, Japan
| | - Satoshi Waguri
- Department of Anatomy and Histology, Fukushima Medical University School of Medicine, Hikarigaoka, Fukushima 960-1295, Japan
| | - Nobuo N Noda
- Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan
| | - Masaaki Komatsu
- Department of Physiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan.
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197
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Zhou Y, Hua S, Song L. The versatile defender: exploring the multifaceted role of p62 in intracellular bacterial infection. Front Cell Infect Microbiol 2023; 13:1180708. [PMID: 37216179 PMCID: PMC10196109 DOI: 10.3389/fcimb.2023.1180708] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/25/2023] [Indexed: 05/24/2023] Open
Abstract
As a highly conserved, multifunctional protein with multiple domains, p62/SQSTM1 plays a crucial role in several essential cellular activities, particularly selective autophagy. Recent research has shown that p62 is crucial in eradicating intracellular bacteria by xenophagy, a selective autophagic process that identifies and eliminates such microorganisms. This review highlights the various roles of p62 in intracellular bacterial infections, including both direct and indirect, antibacterial and infection-promoting aspects, and xenophagy-dependent and independent functions, as documented in published literature. Additionally, the potential applications of synthetic drugs targeting the p62-mediated xenophagy mechanism and unresolved questions about p62's roles in bacterial infections are also discussed.
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Affiliation(s)
- Yuhao Zhou
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, China
- State Key Laboratory for Zoonotic Diseases, The First Hospital of Jilin University, Changchun, China
| | - Shucheng Hua
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, China
- State Key Laboratory for Zoonotic Diseases, The First Hospital of Jilin University, Changchun, China
| | - Lei Song
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, China
- State Key Laboratory for Zoonotic Diseases, The First Hospital of Jilin University, Changchun, China
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198
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Wang X, Jiang X, Li B, Zheng J, Guo J, Gao L, Du M, Weng X, Li L, Chen S, Zhang J, Fang L, Liu T, Wang L, Liu W, Neculai D, Sun Q. A regulatory circuit comprising the CBP and SIRT7 regulates FAM134B-mediated ER-phagy. J Cell Biol 2023; 222:e202201068. [PMID: 37043189 PMCID: PMC10103787 DOI: 10.1083/jcb.202201068] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 11/14/2022] [Accepted: 02/21/2023] [Indexed: 04/13/2023] Open
Abstract
Macroautophagy (autophagy) utilizes a serial of receptors to specifically recognize and degrade autophagy cargoes, including damaged organelles, to maintain cellular homeostasis. Upstream signals spatiotemporally regulate the biological functions of selective autophagy receptors through protein post-translational modifications (PTM) such as phosphorylation. However, it is unclear how acetylation directly controls autophagy receptors in selective autophagy. Here, we report that an ER-phagy receptor FAM134B is acetylated by CBP acetyltransferase, eliciting intense ER-phagy. Furthermore, FAM134B acetylation promoted CAMKII-mediated phosphorylation to sustain a mode of milder ER-phagy. Conversely, SIRT7 deacetylated FAM134B to temper its activities in ER-phagy to avoid excessive ER degradation. Together, this work provides further mechanistic insights into how ER-phagy receptor perceives environmental signals for fine-tuning of ER homeostasis and demonstrates how nucleus-derived factors are programmed to control ER stress by modulating ER-phagy.
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Affiliation(s)
- Xinyi Wang
- Department of Biochemistry, and Department of Cardiology of Second Affiliated Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
| | - Xiao Jiang
- Department of Biochemistry, and Department of Cardiology of Second Affiliated Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
| | - Boran Li
- Department of Biochemistry, and Department of Cardiology of Second Affiliated Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang UniversitySchool of Medicine, Yiwu, China
| | - Jiahua Zheng
- Department of Biochemistry, and Department of Cardiology of Second Affiliated Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang UniversitySchool of Medicine, Yiwu, China
| | - Jiansheng Guo
- Center of Cryo-Electron Microscopy, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lei Gao
- Microscopy Core Facility, Westlake University, Hangzhou, China
| | - Mengjie Du
- Department of Neurology of Second Affiliated Hospital, Institute of Neuroscience, Mental Health Center, NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang UniversitySchool of Medicine, Hangzhou, China
| | - Xialian Weng
- Department of Cell Biology, Department of General Surgery of Sir Run Run Shaw Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
| | - Lin Li
- National Institute of Biological Sciences, Beijing, Beijing, China
| | - She Chen
- National Institute of Biological Sciences, Beijing, Beijing, China
| | - Jingzi Zhang
- Jiangsu Key Laboratory of Molecular Medicine, Chemistry and Biomedicine Innovation Center, Medical School of Nanjing University, Nanjing, China
| | - Lei Fang
- Jiangsu Key Laboratory of Molecular Medicine, Chemistry and Biomedicine Innovation Center, Medical School of Nanjing University, Nanjing, China
| | - Ting Liu
- Department of Cell Biology, Department of General Surgery of Sir Run Run Shaw Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
| | - Liang Wang
- Department of Neurology of Second Affiliated Hospital, Institute of Neuroscience, Mental Health Center, NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang UniversitySchool of Medicine, Hangzhou, China
| | - Wei Liu
- Department of Biochemistry, and Department of Cardiology of Second Affiliated Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang UniversitySchool of Medicine, Yiwu, China
| | - Dante Neculai
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang UniversitySchool of Medicine, Yiwu, China
- Department of Cell Biology, Department of General Surgery of Sir Run Run Shaw Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
| | - Qiming Sun
- Department of Biochemistry, and Department of Cardiology of Second Affiliated Hospital, Zhejiang UniversitySchool of Medicine, Hangzhou, China
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang UniversitySchool of Medicine, Yiwu, China
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Fu AB, Xiang SF, He QJ, Ying MD. Kelch-like proteins in the gastrointestinal tumors. Acta Pharmacol Sin 2023; 44:931-939. [PMID: 36266566 PMCID: PMC10104798 DOI: 10.1038/s41401-022-01007-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 09/22/2022] [Indexed: 11/08/2022]
Abstract
Gastrointestinal tumors have become a worldwide health problem with high morbidity and poor clinical outcomes. Chemotherapy and surgery, the main treatment methods, are still far from meeting the treatment needs of patients, and targeted therapy is in urgent need of development. Recently, emerging evidence suggests that kelch-like (KLHL) proteins play essential roles in maintaining proteostasis and are involved in the progression of various cancers, functioning as adaptors in the E3 ligase complex and promoting the specific degradation of substrates. Therefore, KLHL proteins should be taken into consideration for targeted therapy strategy discovery. This review summarizes the current knowledge of KLHL proteins in gastrointestinal tumors and discusses the potential of KLHL proteins as potential drug targets and prognostic biomarkers.
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Affiliation(s)
- An-Bo Fu
- Institute of Pharmacology and Toxicology, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Institute of Gastroenterology, Zhejiang University, Hangzhou, 310002, China
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Sen-Feng Xiang
- Institute of Pharmacology and Toxicology, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Qiao-Jun He
- Institute of Pharmacology and Toxicology, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Cancer Center, Zhejiang University, Hangzhou, 310058, China.
| | - Mei-Dan Ying
- Institute of Pharmacology and Toxicology, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Cancer Center, Zhejiang University, Hangzhou, 310058, China.
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Adinolfi S, Patinen T, Jawahar Deen A, Pitkänen S, Härkönen J, Kansanen E, Küblbeck J, Levonen AL. The KEAP1-NRF2 pathway: Targets for therapy and role in cancer. Redox Biol 2023; 63:102726. [PMID: 37146513 DOI: 10.1016/j.redox.2023.102726] [Citation(s) in RCA: 111] [Impact Index Per Article: 55.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/07/2023] Open
Abstract
The KEAP1-NRF2 pathway is the key regulator of cellular defense against both extrinsic and intrinsic oxidative and electrophilic stimuli. Since its discovery in the 1990s, its seminal role in various disease pathologies has become well appreciated, motivating research to elucidate the intricacies of NRF2 signaling and its downstream effects to identify novel targets for therapy. In this graphical review, we present an updated overview of the KEAP1-NRF2 signaling, focusing on the progress made within the past ten years. Specifically, we highlight the advances made in understanding the mechanism of activation of NRF2, resulting in novel discoveries in its therapeutic targeting. Furthermore, we will summarize new findings in the rapidly expanding field of NRF2 in cancer, with important implications for its diagnostics and treatment.
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Affiliation(s)
- Simone Adinolfi
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland
| | - Tommi Patinen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland
| | - Ashik Jawahar Deen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland
| | - Sini Pitkänen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland
| | - Jouni Härkönen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland; Department of Pathology, Hospital Nova of Central Finland, Jyväskylä, 40620, Finland
| | - Emilia Kansanen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland; Science Service Center, Kuopio University Hospital, Kuopio, Finland
| | - Jenni Küblbeck
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland
| | - Anna-Liisa Levonen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland.
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