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Qaed E, Almaamari A, Almoiliqy M, Alyafeai E, Sultan M, Aldahmash W, Mahyoub MA, Tang Z. Phosphocreatine attenuates doxorubicin-induced nephrotoxicity through inhibition of apoptosis, and restore mitochondrial function via activation of Nrf2 and PGC-1α pathways. Chem Biol Interact 2024; 400:111147. [PMID: 39043266 DOI: 10.1016/j.cbi.2024.111147] [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: 05/10/2024] [Revised: 07/10/2024] [Accepted: 07/12/2024] [Indexed: 07/25/2024]
Abstract
Doxorubicin (DOX), a chemotherapy drug widely recognized for its efficacy in cancer treatment, unfortunately, has significant nephrotoxic effects leading to kidney damage. This study explores the nephroprotective potential of Phosphocreatine (PCr) in rats, specifically examining its influence on Nrf2 (Nuclear factor erythroid 2-related factor 2) and PGC-1α (Peroxisome proliferator-activated receptor gamma coactivator 1-alpha) pathways, its role in apoptosis inhibition, and effectiveness in preserving mitochondrial function. The research employed in vivo experiments in rats, focusing on PCr's capacity to protect renal function against doxorubicin-induced damage. The study entailed evaluating Nrf2 and PGC-1α pathway activation, apoptosis rates, and mitochondrial health in renal tissues. A significant aspect of this research was the use of high-resolution respirometry (HRR) to assess the function of isolated kidney mitochondria, providing in-depth insights into mitochondrial bioenergetics and respiratory efficiency under the influence of PCr and doxorubicin. Results demonstrated that PCr treatment significantly enhanced the activation of Nrf2 and PGC-1α pathways, reduced apoptosis, and preserved mitochondrial structure in doxorubicin-affected kidneys. Observations included upregulated expression of Nrf2 and PGC-1α target genes, stabilization of mitochondrial membranes, and a notable improvement in cellular antioxidant defense, evidenced by the activities of enzymes like superoxide dismutase (SOD), glutathione (GSH), malondialdehyde (MDA) This study positions phosphocreatine as a promising agent in mitigating doxorubicin-induced kidney damage in rats. The findings, particularly the insights from HRR on isolated kidney mitochondria, highlight PCr's potential in enhancing mitochondrial function and reducing nephrotoxic side effects of chemotherapy. These encouraging results pave the way for further research into PCr's applications in cancer treatment, aiming to improve patient outcomes by managing chemotherapy-related renal injuries.
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Affiliation(s)
- Eskandar Qaed
- Collage of Pharmacology, Dalian Medical University, 9 West Section, South Road of Lushun, 116044, Dalian, China; State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Ahmed Almaamari
- The Key Laboratory of Neural and Vascular Biology, The Key Laboratory of New Drug Pharmacology and Toxicology, Department of Pharmacology, Ministry of Education, Hebei Medical University, Shijiazhuang, China
| | - Marwan Almoiliqy
- Collage of Pharmacology, Dalian Medical University, 9 West Section, South Road of Lushun, 116044, Dalian, China
| | - Eman Alyafeai
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - Marwa Sultan
- The Key Laboratory of Neural and Vascular Biology, The Key Laboratory of New Drug Pharmacology and Toxicology, Department of Pharmacology, Ministry of Education, Hebei Medical University, Shijiazhuang, China
| | - Waleed Aldahmash
- Zoology Department, College of Science, King Saud University, P. O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - Mueataz A Mahyoub
- Department of Gastroenterology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zeyao Tang
- Collage of Pharmacology, Dalian Medical University, 9 West Section, South Road of Lushun, 116044, Dalian, China.
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2
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He C, Zhu R, He L, Chook CYB, Li H, Leung FP, Tse G, Chen ZY, Huang Y, Wong WT. Asperuloside as a Novel NRF2 Activator to Ameliorate Endothelial Dysfunction in High Fat Diet-Induced Obese Mice. Antioxid Redox Signal 2024. [PMID: 39119806 DOI: 10.1089/ars.2024.0593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
AIMS Current treatments are inadequate in alleviating obesity-associated vascular diseases. The development of effective therapies to ameliorate endothelial dysfunction and attenuate oxidative stress is of utmost importance. Asperuloside (ASP), a bioactive compound extracted from Eucommia species, exhibits anti-obesity properties. However, the effects of ASP on vasculopathy have not been investigated. Therefore, the effects of ASP on vascular dysfunction and related mechanisms were elucidated. RESULTS ASP significantly reversed the impaired endothelium-dependent relaxations (EDRs) in obese mice and IL-1β-treated aortas. ASP suppressed endothelial activation in obese mice aortas and IL-1β-treated endothelial cells. ASP attenuated oxidative stress, scavenged mitochondrial ROS and upregulated HO-1 expression in endothelium, independently of its anti-inflammatory properties. HO-1 knockdown diminished the protective effects of ASP against impaired EDRs, ROS overproduction and endothelial activation. Endothelial cell-specific Nrf2 knockdown eliminated the ASP-mediated vascular protective effects and endothelial HO-1 upregulation, emphasizing that ASP improves endothelial function by activating Nrf2/HO-1 signaling. ASP facilitated Nrf2 nuclear translocation and the direct binding of Nrf2 to ARE, thereby enhancing HO-1 transcription and scavenging ROS. CETSA results provide the first experimental characterization of the direct binding of ASP to Nrf2. INNOVATION Effective Nrf2 activators targeting obesity-associated endothelial dysfunction are not available. This study demonstrates that Asperuloside could be a novel Nrf2 activator to alleviate obesity-associated endothelial dysfunction, suggesting a promising redox-based therapy for vasculopathy. CONCLUSIONS These findings demonstrate that ASP ameliorates obesity-associated endothelial dysfunction by activating Nrf2/HO-1 signaling and maintaining redox hemostasis, demonstrating its potential as a novel Nrf2-targeted therapeutic agent and dietary supplement for vasculopathy.
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Affiliation(s)
- Chufeng He
- The Chinese University of Hong Kong, School of Life Sciences, Hong Kong, Hong Kong;
| | - Ruiwen Zhu
- The Chinese University of Hong Kong, School of Life Sciences, Hong Kong, Hong Kong;
| | - Lei He
- City University of Hong Kong, Department of Biomedical Sciences, Hong Kong, Hong Kong, Hong Kong;
| | | | - Huixian Li
- The Chinese University of Hong Kong, School of Life Sciences, Hong Kong, Hong Kong;
| | - Fung Ping Leung
- The Chinese University of Hong Kong, School of Life Sciences, Hong Kong, Hong Kong;
| | - Gary Tse
- Hong Kong Metropolitan University, School of Nursing and Health Studies, Hong Kong, Hong Kong, Hong Kong;
| | - Zhen Yu Chen
- The Chinese University of Hong Kong, School of Life Sciences, Hong Kong, Hong Kong;
| | - Yu Huang
- City University of Hong Kong, Department of Biomedical Sciences, Hong Kong, Hong Kong, Hong Kong;
| | - Wing Tak Wong
- The Chinese University of Hong Kong, School of Life Sciences, Hong Kong, Hong Kong;
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3
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Dong Y, Kang H, Peng R, Liu Z, Liao F, Hu SA, Ding W, Wang P, Yang P, Zhu M, Wang S, Wu M, Ye D, Gan X, Li F, Song K. A clinical-stage Nrf2 activator suppresses osteoclast differentiation via the iron-ornithine axis. Cell Metab 2024; 36:1679-1695.e6. [PMID: 38569557 DOI: 10.1016/j.cmet.2024.03.005] [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: 05/16/2023] [Revised: 12/14/2023] [Accepted: 03/10/2024] [Indexed: 04/05/2024]
Abstract
Activating Nrf2 by small molecules is a promising strategy to treat postmenopausal osteoporosis. However, there is currently no Nrf2 activator approved for treating chronic diseases, and the downstream mechanism underlying the regulation of Nrf2 on osteoclast differentiation remains unclear. Here, we found that bitopertin, a clinical-stage glycine uptake inhibitor, suppresses osteoclast differentiation and ameliorates ovariectomy-induced bone loss by activating Nrf2. Mechanistically, bitopertin interacts with the Keap1 Kelch domain and decreases Keap1-Nrf2 binding, leading to reduced Nrf2 ubiquitination and degradation. Bitopertin is associated with less adverse events than clinically approved Nrf2 activators in both mice and human subjects. Furthermore, Nrf2 transcriptionally activates ferroportin-coding gene Slc40a1 to reduce intracellular iron levels in osteoclasts. Loss of Nrf2 or iron supplementation upregulates ornithine-metabolizing enzyme Odc1, which decreases ornithine levels and thereby promotes osteoclast differentiation. Collectively, our findings identify a novel clinical-stage Nrf2 activator and propose a novel Nrf2-iron-ornithine metabolic axis in osteoclasts.
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Affiliation(s)
- Yimin Dong
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Honglei Kang
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Renpeng Peng
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zheming Liu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fuben Liao
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shi-An Hu
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weizhong Ding
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pengju Wang
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pengchao Yang
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meipeng Zhu
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sibo Wang
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Minglong Wu
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dawei Ye
- Cancer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Gan
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Li
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Kehan Song
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Wu L, Xin Y, Zhang J, Cui F, Chen T, Chen L, Ma J, Niu P. Metabolic signatures of population exposure to metal mixtures: A metabolome-wide association study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024:124673. [PMID: 39103040 DOI: 10.1016/j.envpol.2024.124673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 07/28/2024] [Accepted: 08/03/2024] [Indexed: 08/07/2024]
Abstract
Numerous studies have explored the health impacts of individual metal exposures, yet the effects of metal mixtures on human endogenous metabolism remain largely unexplored. We aimed to assess the serum metabolic signatures of people exposure to metal mixtures. Serum and urine samples were collected from 186 workers at a steel factory in Anhui, China, in September 2019. Inductively coupled plasma mass spectrometry was used to analyze the concentrations of 23 metal elements. Serum metabolome was determined by liquid chromatography-mass spectrometry (LC-MS). A metabolome-wide association study (MWAS) was performed across the metal exposures and metabolism using quantile g-computation modeling. Pathway enrichment analysis was performed using MetaboAnalyst analysis. We identified 226 metabolites associated with metal mixtures, primarily involving lipid metabolism (glycerophospholipids, sphingolipids), amino acid metabolism (arginine and proline, alanine, aspartate and glutamate metabolism) and caffeine metabolic pathways. Exposure to metal mixtures is mainly associated with alterations in lipid metabolism and amino acid metabolism, particularly in the glycerophospholipid and arginine and proline metabolism pathway.
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Affiliation(s)
- Luli Wu
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China
| | - Ye Xin
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China
| | - Junrou Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China
| | - Fengtao Cui
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China; Occupational disease prevention and control hospital of Huaibei Mining Co., Ltd, 235000, Huaibei, Anhui Province, China
| | - Tian Chen
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China
| | - Li Chen
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China
| | - Junxiang Ma
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China
| | - Piye Niu
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, 100069, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, 100069, Beijing, China.
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5
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Yang J, Zhao H, Qu S. Therapeutic potential of fucoidan in central nervous system disorders: A systematic review. Int J Biol Macromol 2024; 277:134397. [PMID: 39097066 DOI: 10.1016/j.ijbiomac.2024.134397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/25/2024] [Accepted: 07/30/2024] [Indexed: 08/05/2024]
Abstract
Central nervous system (CNS) disorders have a complicated pathogenesis, and to date, no single mechanism can fully explain them. Most drugs used for CNS disorders primarily aim to manage symptoms and delay disease progression, and none have demonstrated any pathological reversal. Fucoidan is a safe, sulfated polysaccharide from seaweed that exhibits multiple pharmacological effects, and it is anticipated to be a novel treatment for CNS disorders. To assess the possible clinical uses of fucoidan, this review aims to provide an overview of its neuroprotective mechanism in both in vivo and in vitro CNS disease models, as well as its pharmacokinetics and safety. We included 39 articles on the pharmacology of fucoidan in CNS disorders. In vitro and in vivo experiments demonstrate that fucoidan has important roles in regulating lipid metabolism, enhancing the cholinergic system, maintaining the functional integrity of the blood-brain barrier and mitochondria, inhibiting inflammation, and attenuating oxidative stress and apoptosis, highlighting its potential for CNS disease treatment. Fucoidan has a protective effect against CNS disorders. With ongoing research on fucoidan, it is expected that a natural, highly effective, less toxic, and highly potent fucoidan-based drug or nutritional supplement targeting CNS diseases will be developed.
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Affiliation(s)
- Jing Yang
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004 Shenyang, Liaoning, PR China.
| | - He Zhao
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004 Shenyang, Liaoning, PR China.
| | - Shengtao Qu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004 Shenyang, Liaoning, PR China.
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6
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Gallego-Rentero M, López Sánchez A, Nicolás-Morala J, Alcaraz-Laso P, Zhang N, Juarranz Á, González S, Carrasco E. The effect of Fernblock® in preventing blue-light-induced oxidative stress and cellular damage in retinal pigment epithelial cells is associated with NRF2 induction. Photochem Photobiol Sci 2024; 23:1471-1484. [PMID: 38909335 DOI: 10.1007/s43630-024-00606-6] [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: 04/28/2024] [Accepted: 06/13/2024] [Indexed: 06/24/2024]
Abstract
Blue light exposure of the ocular apparatus is currently rising. This has motivated a growing concern about potential deleterious effects on different eye structures. To address this, ARPE-19 cells were used as a model of the retinal pigment epithelium and subjected to cumulative expositions of blue light. The most relevant cellular events previously associated with blue-light-induced damage were assessed, including alterations in cell morphology, viability, cell proliferation, oxidative stress, inflammation, and the induction of DNA repair cellular mechanisms. Consistent with previous reports, our results provide evidence of cellular alterations resulting from repeated exposure to blue light irradiation. In this context, we explored the potential protective properties of the vegetal extract from Polypodium leucotomos, Fernblock® (FB), using the widely known treatment with lutein as a reference for comparison. The only changes observed as a result of the sole treatment with either FB or lutein were a slight but significant increase in γH2AX+ cells and the raise in the nuclear levels of NRF2. Overall, our findings indicate that the treatment with FB (similarly to lutein) prior to blue light irradiation can alleviate blue-light-induced deleterious effects in RPE cells, specifically preventing the drop in both cell viability and percentage of EdU+ cells, as well as the increase in ROS generation, percentage of γH2AX+ nuclei (more efficiently with FB), and TNF-α secretion (the latter restored only by FB to similar levels to those of the control). On the contrary, the induction in the P21 expression upon blue light irradiation was not prevented neither by FB nor by lutein. Notably, the nuclear translocation of NRF2 induced by blue light was similar to that observed in cells pre-treated with FB, while lutein pre-treatment resulted in nuclear NRF2 levels similar to control cells, suggesting key differences in the mechanism of cellular protection exerted by these compounds. These results may represent the foundation ground for the use of FB as a new ingredient in the development of alternative prophylactic strategies for blue-light-associated diseases, a currently rising medical interest.
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Affiliation(s)
- María Gallego-Rentero
- Department of Biology, Faculty of Sciences, Universidad Autónoma de Madrid, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | | | - Jimena Nicolás-Morala
- Department of Biology, Faculty of Sciences, Universidad Autónoma de Madrid, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Paula Alcaraz-Laso
- Department of Biology, Faculty of Sciences, Universidad Autónoma de Madrid, Madrid, Spain
| | - Noelia Zhang
- Department of Biology, Faculty of Sciences, Universidad Autónoma de Madrid, Madrid, Spain
| | - Ángeles Juarranz
- Department of Biology, Faculty of Sciences, Universidad Autónoma de Madrid, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Salvador González
- Department of Medicine and Medical Specialties, Alcalá de Henares University, Madrid, Spain.
| | - Elisa Carrasco
- Department of Biology, Faculty of Sciences, Universidad Autónoma de Madrid, Madrid, Spain.
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain.
- Centro de Biología Molecular Severo Ochoa (CBM); Instituto Universitario de Biología Molecular-IUBM (Universidad Autónoma de Madrid), Madrid, Spain.
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7
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H-Alcántara A, Kourani O, Marcos-Jiménez A, Martínez-Núñez P, Herranz-Martín E, Fuentes P, Toribio ML, Muñoz-Calleja C, Iglesias T, Campanero MR. Glutathione overproduction mediates lymphoma initiating cells survival and has a sex-dependent effect on lymphomagenesis. Cell Death Dis 2024; 15:534. [PMID: 39068166 PMCID: PMC11283572 DOI: 10.1038/s41419-024-06923-z] [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: 01/09/2024] [Revised: 07/17/2024] [Accepted: 07/18/2024] [Indexed: 07/30/2024]
Abstract
Lymphoid tumor patients often exhibit resistance to standard therapies or experience relapse post-remission. Relapse is driven by Tumor Initiating Cells (TICs), a subset of tumor cells capable of regrowing the tumor and highly resistant to therapy. Growing cells in 3D gels is a method to discern tumorigenic cells because it strongly correlates with tumorigenicity. The finding that TICs, rather than differentiated tumor cells, grow in 3D gels offers a unique opportunity to unveil TIC-specific signaling pathways and therapeutic targets common to various cancer types. Here, we show that culturing lymphoid cells in 3D gels triggers reactive oxygen species (ROS) production, leading to non-tumor lymphoid cell death while enabling the survival and proliferation of a subset of lymphoma/leukemia cells, TICs or TIC-like cells. Treatment with the antioxidant N-acetylcysteine inhibits this lethality and promotes the growth of primary non-tumor lymphoid cells in 3D gels. A subset of lymphoma cells, characterized by an increased abundance of the antioxidant glutathione, escape ROS-induced lethality, a response not seen in non-tumor cells. Reducing glutathione production in lymphoma cells, either through pharmacological inhibition of glutamate cysteine ligase (GCL), the enzyme catalyzing the rate-limiting step in glutathione biosynthesis, or via knockdown of GCLC, the GCL catalytic subunit, sharply decreased cell growth in 3D gels and xenografts. Tumor cells from B-cell lymphoma/leukemia patients and λ-MYC mice, a B-cell lymphoma mouse model, overproduce glutathione. Importantly, pharmacological GCL inhibition hindered lymphoma growth in female λ-MYC mice, suggesting that this treatment holds promise as a therapeutic strategy for female lymphoma/leukemia patients.
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Affiliation(s)
- Alberto H-Alcántara
- Cell-cell communication and inflammation Unit, Centro de Biología Molecular Severo Ochoa (CBM), CSIC-UAM, Madrid, Spain
| | - Omar Kourani
- Cell-cell communication and inflammation Unit, Centro de Biología Molecular Severo Ochoa (CBM), CSIC-UAM, Madrid, Spain
| | - Ana Marcos-Jiménez
- Immunology Department, Instituto de Investigación Sanitaria Princesa, Hospital Universitario de la Princesa, Madrid, Spain
| | - Patricia Martínez-Núñez
- Cell-cell communication and inflammation Unit, Centro de Biología Molecular Severo Ochoa (CBM), CSIC-UAM, Madrid, Spain
| | - Estela Herranz-Martín
- Cell-cell communication and inflammation Unit, Centro de Biología Molecular Severo Ochoa (CBM), CSIC-UAM, Madrid, Spain
| | - Patricia Fuentes
- Immune System Development and Function Unit, CBM, CSIC-UAM, Madrid, Spain
| | - María L Toribio
- Immune System Development and Function Unit, CBM, CSIC-UAM, Madrid, Spain
| | - Cecilia Muñoz-Calleja
- Immunology Department, Instituto de Investigación Sanitaria Princesa, Hospital Universitario de la Princesa, Madrid, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Infecciosas (CIBERINFEC) Madrid, Madrid, Spain
- Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Teresa Iglesias
- Department of Neurological Diseases and Aging, Instituto de Investigaciones Biomédicas Sols-Morreale, CSIC-UAM, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED) Madrid, Madrid, Spain
| | - Miguel R Campanero
- Cell-cell communication and inflammation Unit, Centro de Biología Molecular Severo Ochoa (CBM), CSIC-UAM, Madrid, Spain.
- Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain.
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8
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da Silva S, da Costa CDL, Naime AA, Santos DB, Farina M, Colle D. Mechanisms Mediating the Combined Toxicity of Paraquat and Maneb in SH-SY5Y Neuroblastoma Cells. Chem Res Toxicol 2024. [PMID: 39058280 DOI: 10.1021/acs.chemrestox.3c00389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Epidemiological and experimental studies have demonstrated that combined exposure to the pesticides paraquat (PQ) and maneb (MB) increases the risk of developing Parkinson's disease. However, the mechanisms mediating the toxicity induced by combined exposure to these pesticides are not well understood. The aim of this study was to investigate the mechanism(s) of neurotoxicity induced by exposure to the pesticides PQ and MB isolated or in association (PQ + MB) in SH-SY5Y neuroblastoma cells. PQ + MB exposure for 24 and 48 h decreased cell viability and disrupted cell membrane integrity. In addition, PQ + MB exposure for 12 h decreased the mitochondrial membrane potential. PQ alone increased reactive oxygen species (ROS) and superoxide anion generation and decreased the activity of mitochondrial complexes I and II at 12 h of exposure. MB alone increased ROS generation and depleted intracellular glutathione (GSH) within 6 h of exposure. In contrast, MB exposure for 12 h increased the GSH levels, the glutamate cysteine ligase (GCL, the rate-limiting enzyme in the GSH synthesis pathway) activity, and increased nuclear Nrf2 staining. Pretreatment with buthionine sulfoximine (BSO, a GCL inhibitor) abolished the MB-mediated GSH increase, indicating that MB increases GSH synthesis by upregulating GCL, probably by the activation of the Nrf2/ARE pathway. BSO pretreatment, which did not modify cell viability per se, rendered cells more sensitive to MB-induced toxicity. In contrast, treatment with the antioxidant N-acetylcysteine protected cells from MB-induced toxicity. These findings show that the combined exposure of SH-SY5Y cells to PQ and MB induced a cytotoxic effect higher than that observed when cells were subjected to individual exposures. Such a higher effect seems to be related to additive toxic events resulting from PQ and MB exposures. Thus, our study contributes to a better understanding of the toxicity of PQ and MB in combined exposures.
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Affiliation(s)
- Suzana da Silva
- Department of Clinical Analyses, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Carolina de Lima da Costa
- Department of Clinical Analyses, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Aline Aita Naime
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Danúbia Bonfanti Santos
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Marcelo Farina
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Dirleise Colle
- Department of Clinical Analyses, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
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9
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Naseem S, Sun L, Qiu J. Stress Granules in Atherosclerosis: Insights and Therapeutic Opportunities. Curr Probl Cardiol 2024:102760. [PMID: 39059785 DOI: 10.1016/j.cpcardiol.2024.102760] [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: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Atherosclerosis, a complex inflammatory and metabolic disorder, is the underlying cause of several life-threatening cardiovascular diseases. Stress granules (SG) are biomolecular condensates with protein and mRNA under stress stimulation. Recent studies suggest a potential link between SG and atherosclerosis development. However, there remain gaps in understanding SG role in atherosclerosis development. Here we provide a thorough analysis of the role of SG in atherosclerosis, covering cellular stresses stimulation, core components, and regulatory genes in SG formation. Furthermore, we explore atherosclerosis induced factors such as inflammation, low or oscillatory shear stress (OSS), and oxidative stress may impact SG formation and then the development of atherosclerotic lesions. We have assessed how changes in SG dynamics impact pro-atherogenic processes like endothelial dysfunction, lipid metabolism, and immune cell recruitment in atherosclerosis. In summary, this review emphasizes the complex interplay between SG and atherosclerosis that could open new avenues for targeted therapeutic strategies in preventing or treating atherosclerotic cardiovascular diseases.
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Affiliation(s)
- Sahar Naseem
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.
| | - Lijuan Sun
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.
| | - Juhui Qiu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.
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10
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Laddha AP, Wu H, Manautou JE. Deciphering Acetaminophen-Induced Hepatotoxicity: The Crucial Role of Transcription Factors like Nuclear Factor Erythroid 2-Related Factor 2 as Genetic Determinants of Susceptibility to Drug-Induced Liver Injury. Drug Metab Dispos 2024; 52:740-753. [PMID: 38857948 DOI: 10.1124/dmd.124.001282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 05/20/2024] [Accepted: 06/06/2024] [Indexed: 06/12/2024] Open
Abstract
Acetaminophen (APAP) is the most commonly used over-the-counter medication throughout the world. At therapeutic doses, APAP has potent analgesic and antipyretic effects. The efficacy and safety of APAP are influenced by multifactorial processes dependent upon dosing, namely frequency and total dose. APAP poisoning by repeated ingestion of supratherapeutic doses, depletes glutathione stores in the liver and other organs capable of metabolic bioactivation, leading to hepatocellular death due to exhausted antioxidant defenses. Numerous genes, encompassing transcription factors and signaling pathways, have been identified as playing pivotal roles in APAP toxicity, with the liver being the primary organ studied due to its central role in APAP metabolism and injury. Nuclear factor erythroid 2-related factor 2 (NRF2) and its array of downstream responsive genes are crucial in counteracting APAP toxicity. NRF2, along with its negative regulator Kelch-like ECH-associated protein 1, plays a vital role in regulating intracellular redox homeostasis. This regulation is significant in modulating the oxidative stress, inflammation, and hepatocellular death induced by APAP. In this review, we provide an updated overview of the mechanisms through which NRF2 activation and signaling critically influence the threshold for developing APAP toxicity. We also describe how genetically modified rodent models for NRF2 and related genes have been pivotal in underscoring the significance of this antioxidant response pathway. While NRF2 is a primary focus, the article comprehensively explores other genetic factors involved in phase I and phase II metabolism of APAP, inflammation, oxidative stress, and related pathways that contribute to APAP toxicity, thereby providing a holistic understanding of the genetic landscape influencing susceptibility to this condition. SIGNIFICANCE STATEMENT: This review summarizes the genetic elements and signaling pathways underlying APAP-induced liver toxicity, focusing on the crucial protective role of the transcription factor NRF2. This review also delves into the genetic intricacies influencing APAP safety and potential liver harm. It also emphasizes the need for deeper insight into the molecular mechanisms of hepatotoxicity, especially the interplay of NRF2 with other pathways.
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Affiliation(s)
- Ankit P Laddha
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
| | - Hangyu Wu
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
| | - José E Manautou
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
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11
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Chakraborty P, Krishnani KK, Mulchandani A, Paniprasad K, Sarkar DJ, Sawant PB, Kumar N, Sarkar B, Mallik A, Pal P, Nagendrasai K, Das BK. Speciation-specific chromium bioaccumulation and detoxification in fish using hydrogel microencapsulated biogenic nanosilver and zeolite synergizing with biomarkers. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:298. [PMID: 38980518 DOI: 10.1007/s10653-024-02061-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 05/31/2024] [Indexed: 07/10/2024]
Abstract
Grass carp intestinal waste-mediated biosynthesized nanosilver (AgNPs) was valorized using guaran and zeolite matrices, resulting in AgNPs-guaran, AgNPs-zeolite, and AgNPs-guaran -zeolite composites. The valorized products were examined using Environmental Scanning Electron Microscopy, Energy Dispersive X-ray analysis and X-ray Diffraction analysis to confirm uniform dispersion and entrapment of AgNPs within the matrixes. These valorized products were evaluated for their efficacy in detoxifying the ubiquitous and toxic hexavalent chromium (Cr6+) in aquatic environments, with Anabas testudineus exposed to 2 mg l-1 of Cr6+ for 60 days. Remarkable reduction of Cr6+ concentration to 0.86 ± 0.007 mg l-1 was achieved with AgNPs-guaran-zeolite composite, indicating successful reclamation of contaminated water and food safety assurance. Consistency in results was further corroborated by minimal stress-related alterations in fish physiological parameters and integrated biomarker response within the experimental group treated with the AgNPs-guaran-zeolite composite. Despite observed chromium accumulation in fish tissues, evidence of physiological stability was apparent, potentially attributable to trivalent chromium accumulation, serving as an essential nutrient for the fish. Additionally, the challenge study involving Anabas testudineus exposed to Aeromonas hydrophila exhibited the lowest cumulative mortality (11.11%) and highest survival rate (87.5%) within the same experimental group. The current study presents a novel approach encompassing the valorization of AgNPs for Cr6+ detoxification under neutral to alkaline pH conditions, offering a comprehensive framework for environmental remediation.
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Affiliation(s)
- Puja Chakraborty
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Kishore Kumar Krishnani
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India.
- ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, Jharkhand, 834010, India.
| | - Ashok Mulchandani
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, 92521, USA
| | - Kurcheti Paniprasad
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Dhruba Jyoti Sarkar
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, Kolkata, India
| | - Paramita Banerjee Sawant
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Neeraj Kumar
- ICAR-National Institute of Abiotic Stress Management, Baramati, Pune, Maharashtra, 413115, India
| | - Biplab Sarkar
- ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, Jharkhand, 834010, India
| | - Abhijit Mallik
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Prasenjit Pal
- College of Fisheries, Central Agricultural University, Imphal, 799210, India
| | - Kurapati Nagendrasai
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Basanta Kumar Das
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, Kolkata, India
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12
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Weng J, Wang L, Wang K, Su H, Luo D, Yang H, Wen Y, Wu Q, Li X. Tauroursodeoxycholic Acid Inhibited Apoptosis and Oxidative Stress in H 2O 2-Induced BMSC Death via Modulating the Nrf-2 Signaling Pathway: the Therapeutic Implications in a Rat Model of Spinal Cord Injury. Mol Neurobiol 2024; 61:3753-3768. [PMID: 38015303 PMCID: PMC11236931 DOI: 10.1007/s12035-023-03754-5] [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: 06/26/2023] [Accepted: 10/28/2023] [Indexed: 11/29/2023]
Abstract
Spinal cord injury (SCI) is a prevalent and significant injury to the central nervous system, resulting in severe consequences. This injury is characterized by motor, sensory, and excretory dysfunctions below the affected spinal segment. Transplantation of bone marrow mesenchymal stem cells (BMSCs) has emerged as a potential treatment for SCI. However, the low survival as well as the differentiation rates of BMSCs within the spinal cord microenvironment significantly limit their therapeutic efficiency. Tauroursodeoxycholic acid (TUDCA), an active ingredient found in bear bile, has demonstrated its neuroprotective, antioxidant, and antiapoptotic effects on SCI. Thus, the present study was aimed to study the possible benefits of combining TUDCA with BMSC transplantation using an animal model of SCI. The results showed that TUDCA significantly enhanced BMSC viability and reduced apoptosis (assessed by Annexin V-FITC, TUNEL, Bax, Bcl-2, and Caspase-3) as well as oxidative stress (assessed by ROS, GSH, SOD, and MDA) both in vitro and in vivo. Additionally, TUDCA accelerated tissue regeneration (assessed by HE, Nissl, MAP2, MBP, TUJ1, and GFAP) and improved functional recovery (assessed by BBB score) following BMSC transplantation in SCI. These effects were mediated via the Nrf-2 signaling pathway, as evidenced by the upregulation of Nrf-2, NQO-1, and HO-1 expression levels. Overall, these results indicate that TUDCA could serve as a valuable adjunct to BMSC transplantation therapy for SCI, potentially enhancing its therapeutic efficacy.
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Affiliation(s)
- Jiaxian Weng
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Le Wang
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Guangzhou, 510080, Guangdong, China
| | - Kai Wang
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Haitao Su
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, Department of Orthopedic Surgery,, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Dan Luo
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, Department of Orthopedic Surgery,, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Haimei Yang
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Yaqian Wen
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Qiduan Wu
- The First Affiliated Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
| | - Xing Li
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, Department of Orthopedic Surgery,, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.
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Wei Z, Wei N, Su L, Gao S. The molecular effects underlying the pharmacological activities of daphnetin. Front Pharmacol 2024; 15:1407010. [PMID: 39011506 PMCID: PMC11246999 DOI: 10.3389/fphar.2024.1407010] [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: 03/26/2024] [Accepted: 06/13/2024] [Indexed: 07/17/2024] Open
Abstract
As an increasingly well-known derivative of coumarin, daphnetin (7,8-dithydroxycoumarin) has demonstrated various pharmacological activities, including anti-inflammation, anti-cancer, anti-autoimmune diseases, antibacterial, organ protection, and neuroprotection properties. Various studies have been conducted to explore the action mechanisms and synthetic methods of daphnetin, given its therapeutic potential in clinical. Despite these initial insights, the precise mechanisms underlying the pharmacological activities of daphnetin remain largely unknown. In order to address this knowledge gap, we explore the molecular effects from the perspectives of signaling pathways, NOD-like receptor protein 3 (NLRP3) inflammasome and inflammatory factors; and try to find out how these mechanisms can be utilized to inform new combined therapeutic strategies.
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Affiliation(s)
- Zhifeng Wei
- Department of Hematology, The First Hospital of Jilin University, Changchun, China
| | - Na Wei
- Department of Obstetrics, The Affiliated Taian City Central Hospital of Qingdao University, Taian, China
| | - Long Su
- Department of Hematology, The First Hospital of Jilin University, Changchun, China
| | - Sujun Gao
- Department of Hematology, The First Hospital of Jilin University, Changchun, China
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14
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Krishnamurthy HK, Rajavelu I, Pereira M, Jayaraman V, Krishna K, Wang T, Bei K, Rajasekaran JJ. Inside the genome: understanding genetic influences on oxidative stress. Front Genet 2024; 15:1397352. [PMID: 38983269 PMCID: PMC11231378 DOI: 10.3389/fgene.2024.1397352] [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: 03/07/2024] [Accepted: 06/03/2024] [Indexed: 07/11/2024] Open
Abstract
Genetics is a key factor that governs the susceptibility to oxidative stress. In the body, oxidative burden is regulated by the balance between the prooxidant genes that orchestrate processes that produce oxidant species, while the antioxidant genes aid those involved in scavenging these species. Together, the two components aid in maintaining the oxidative balance in the body. Genetic variations can influence the expression and activity of the encoded proteins which can then affect their efficiency in regulating redox processes, thereby increasing the risk of oxidative stress. This review studies single nucleotide polymorphisms (SNPs) that bear relevance to oxidative stress by exploring the variations in the prooxidant genes, such as XDH, CYBA, CYP1A1, PTGS2, NOS, and MAO and antioxidant genes including SOD, CAT, GPX, GSS, GLUL, GSR, GSTM1, GSTM5, GSTP1, TXN and HMOX1. Early identification of individuals at the increased risk of oxidative stress is possible from the assessment of sequence of these genes. Integrating genetic insights into oxidative stress management measures can pave the way for personalized medicine that tailors' healthcare approaches to individual genetic profiles. Effective genetic assessment along with routine quantification of biological markers can improve and monitor treatment strategies, enhancing mitigation approaches that maintain cellular health and promote longevity.
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Affiliation(s)
| | | | | | | | | | - Tianhao Wang
- Vibrant Sciences LLC., San Carlos, CA, United States
| | - Kang Bei
- Vibrant Sciences LLC., San Carlos, CA, United States
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15
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Chu Z, Zhu L, Zhou Y, Yang F, Hu Z, Luo Y, Li W, Luo F. Targeting Nrf2 by bioactive peptides alleviate inflammation: expanding the role of gut microbiota and metabolites. Crit Rev Food Sci Nutr 2024:1-20. [PMID: 38881345 DOI: 10.1080/10408398.2024.2367570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Inflammation is a complex process that usually refers to the general response of the body to the harmful stimuli of various pathogens, tissue damage, or exogenous pollutants. Nuclear factor erythroid 2-related factor 2 (Nrf2) is a transcription factor that regulates cellular defense against oxidative damage and toxicity by expressing genes related to oxidative stress response and drug detoxification. In addition to its antioxidant properties, Nrf2 is involved in many other important physiological processes, including inflammation and metabolism. Nrf2 can bind the promoters of antioxidant genes and upregulates their expressions, which alleviate oxidation-induced inflammation. Nrf2 has been shown to upregulate heme oxygenase-1 expression, which promotes NF-κB activation and is closely related with inflammation. Nrf2, as a key factor in antioxidant response, is closely related to the expressions of pro-inflammatory factors, NF-κB pathway and cell metabolism. Bioactive peptides come from a wide range of sources and have many biological functions. Increasing evidence indicates that bioactive peptides have potential anti-inflammatory activities. This article summarized the sources, absorption and utilization of bioactive peptides and their role in alleviating inflammation via Nrf2 pathway. Bioactive peptides can also regulate gut microbiota and alter metabolites, which regulates the Nrf2 pathway through novel pathway and supplement the anti-inflammatory mechanisms of bioactive peptides. This review provides a reference for further study on the anti-inflammatory effect of bioactive peptides and the development and utilization of functional foods.
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Affiliation(s)
- Zhongxing Chu
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Lingfeng Zhu
- Hunan Agricultural Product Processing Institute, Hunan Academy of Agricultural Sciences, Changsha, Hunan, China
| | - Yaping Zhou
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Feiyan Yang
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Zuomin Hu
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Yi Luo
- Department of Clinic Medicine, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Wen Li
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Feijun Luo
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
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16
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Lei W, Chen MH, Huang ZF, Chen XY, Wang JX, Zheng J, Zhu YZ, Lan XZ, He Y. Salidroside protects pulmonary artery endothelial cells against hypoxia-induced apoptosis via the AhR/NF-κB and Nrf2/HO-1 pathways. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155376. [PMID: 38503152 DOI: 10.1016/j.phymed.2024.155376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 12/18/2023] [Accepted: 01/17/2024] [Indexed: 03/21/2024]
Abstract
BACKGROUND The apoptosis of pulmonary artery endothelial cells (PAECs) is an important factor contributing to the development of pulmonary hypertension (PH), a serious cardio-pulmonary vascular disorder. Salidroside (SAL) is a bioactive compound derived from an herb Rhodiola, but the potential protective effects of SAL on PAECs and the underlying mechanisms remain elusive. PURPOSE The objective of this study was to determine the role of SAL in the hypoxia-induced apoptosis of PAECs and to dissect the underlying mechanisms. STUDY DESIGN Male Sprague-Dawley (SD) rats were subjected to hypoxia (10% O2) for 4 weeks to establish a model of PH. Rats were intraperitoneally injected daily with SAL (2, 8, and 32 mg/kg/d) or vehicle. To define the molecular mechanisms of SAL in PAECs, an in vitro model of hypoxic cell injury was also generated by exposed PAECs to 1% O2 for 48 h. METHODS Various techniques including hematoxylin and eosin (HE) staining, immunofluorescence, flow cytometry, CCK-8, Western blot, qPCR, molecular docking, and surface plasmon resonance (SPR) were used to determine the role of SAL in rats and in PAECs in vitro. RESULTS Hypoxia stimulation increases AhR nuclear translocation and activates the NF-κB signaling pathway, as evidenced by upregulated expression of CYP1A1, CYP1B1, IL-1β, and IL-6, resulting in oxidative stress and inflammatory response and ultimately apoptosis of PAECs. SAL inhibited the activation of AhR and NF-κB, while promoted the nuclear translocation of Nrf2 and increased the expression of its downstream antioxidant proteins HO-1 and NQO1 in PAECs, ameliorating the hypoxia-induced oxidative stress in PAECs. Furthermore, SAL lowered right ventricular systolic pressure, and decreased pulmonary vascular remodeling and right ventricular hypertrophy in hypoxia-exposed rats. CONCLUSIONS SAL may attenuate the apoptosis of PAECs by suppressing NF-κB and activating Nrf2/HO-1 pathways, thereby delaying the progressive pathology of PH.
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Affiliation(s)
- Wei Lei
- TAAHC-GDMU Biomedical and Health Joint R&D Center, The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agriculture and Animal Husbandry Resources, The Center for Xizang Chinese (Tibetan) Medicine Resource, Joint Laboratory for Tibetan Materia Medica Resource Scientific Protection and Utilization, Tibetan Medical Research Center of Tibet, Tibet Agriculture and Animal Husbandry University, Nyingchi, Tibet, PR China; Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, GDMU-TAAHC Biomedical and Health Joint R&D Center, Department of Precision Laboratory, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China
| | - Mei-Hong Chen
- Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, GDMU-TAAHC Biomedical and Health Joint R&D Center, Department of Precision Laboratory, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China; Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China
| | - Zu-Feng Huang
- Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China
| | - Xiao-Ying Chen
- Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China
| | - Jin-Xia Wang
- TAAHC-GDMU Biomedical and Health Joint R&D Center, The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agriculture and Animal Husbandry Resources, The Center for Xizang Chinese (Tibetan) Medicine Resource, Joint Laboratory for Tibetan Materia Medica Resource Scientific Protection and Utilization, Tibetan Medical Research Center of Tibet, Tibet Agriculture and Animal Husbandry University, Nyingchi, Tibet, PR China; Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China
| | - Jing Zheng
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Yi-Zhun Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, PR China
| | - Xiao-Zhong Lan
- TAAHC-GDMU Biomedical and Health Joint R&D Center, The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agriculture and Animal Husbandry Resources, The Center for Xizang Chinese (Tibetan) Medicine Resource, Joint Laboratory for Tibetan Materia Medica Resource Scientific Protection and Utilization, Tibetan Medical Research Center of Tibet, Tibet Agriculture and Animal Husbandry University, Nyingchi, Tibet, PR China.
| | - Yuan He
- TAAHC-GDMU Biomedical and Health Joint R&D Center, The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agriculture and Animal Husbandry Resources, The Center for Xizang Chinese (Tibetan) Medicine Resource, Joint Laboratory for Tibetan Materia Medica Resource Scientific Protection and Utilization, Tibetan Medical Research Center of Tibet, Tibet Agriculture and Animal Husbandry University, Nyingchi, Tibet, PR China; Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, GDMU-TAAHC Biomedical and Health Joint R&D Center, Department of Precision Laboratory, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China; Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, PR China.
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17
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Shi Z, Nan Y, Zhou X, Zhang W, Zhang Z, Zhang C, Duan H, Ge J, Zhao L. Molecular Mechanisms of Intestinal Protection by Levilactobacillus brevis 23017 against Salmonella typhimurium C7731-Induced Damage: Role of Nrf2. Microorganisms 2024; 12:1135. [PMID: 38930517 PMCID: PMC11205325 DOI: 10.3390/microorganisms12061135] [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: 04/11/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
The treatment and prevention of pathogenic diseases by lactic acid bacteria (LAB) has attracted more and more attention. As a special LAB, Levilactobacillus brevis (L. brevis) has relatively less research on its antibacterial infection in vivo, and its protective effect and mechanism still need to be fully studied. In this study, we selected L. brevis 23017, which can regulate the intestinal immunity of the host animal and resist pathogen infection, to evaluate its protective role and potential molecular mechanisms in the mouse model of S. typhimurium C7731 infection. As expected, we confirmed that L. brevis 23017 reduced the diarrhea rate and increased the daily weight gain and survival rate of the mouse model, and inhibited S. typhimurium colonization in the jejunum and liver. It also reduced the level of oxidative damage and protected the integrity of intestinal tissue by increasing the activity of intestinal antioxidant enzymes (SOD, GSH-Px and T-AOC). From the perspective of intestinal mucosal barrier injury and repair, it was confirmed that L. brevis 23017 could increase the expression levels of intestinal tight junction proteins (ZO-1 and OCLN). Our research results also show that L. brevis 23017 inhibits the inflammatory response and promotes the occurrence of cellular immunity in the body by promoting the increase in IL-10 and inhibiting IL-13 in serum and intestinal tissue. Notably, L. brevis 23017 increased total secretory immunoglobulin A (SIgA) levels in the intestine, which were closely associated with elevated levels of IL-5, IL-13, pIgR, j-chain, and IgAα-chain. In addition, L. brevis 23017 increased the expression of antioxidant proteins Nrf2, NQO1, and HO-1 associated with Nrf2 signaling to inhibit intestinal oxidative damage. This mechanism may be responsible for its protective effect against S. typhimurium-infected intestine. Our study provides new evidence and theoretical support for the analysis of the anti-bacterial infection effect and mechanism of L. brevis, which will contribute to the development of L. brevis and the treatment of pathogenic bacteria intestinal infection.
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Affiliation(s)
- Ziqi Shi
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China;
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Yongchao Nan
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Xinyao Zhou
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Wenzhi Zhang
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Zheng Zhang
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Chuankun Zhang
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Haoyuan Duan
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Junwei Ge
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Y.N.); (X.Z.); (W.Z.); (Z.Z.); (C.Z.); (H.D.)
| | - Lili Zhao
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China;
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Kim DY, Oh S, Ko HS, Park S, Jeon YJ, Kim J, Yang DK, Park KW. Sesamolin suppresses adipocyte differentiation through Keap1-dependent Nrf2 activation in adipocytes. Nutr Res 2024; 128:14-23. [PMID: 39002358 DOI: 10.1016/j.nutres.2024.05.005] [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: 02/24/2024] [Revised: 05/24/2024] [Accepted: 05/24/2024] [Indexed: 07/15/2024]
Abstract
Sesamolin, a lignan isolated from sesame oils, has been found to possess neuroprotective, anticancer, and free radical scavenging properties. We hypothesized that sesamolin could stimulate the activity of nuclear factor erythroid-derived 2-like 2 (Nrf2) and inhibit adipocyte differentiation of preadipocytes. The objective of this study was to investigate effects of sesamolin on adipocyte differentiation and its underlying molecular mechanisms. In this study, we determined the effects of treatment with 25 to 100 µM sesamolin on adipogenesis in cell culture systems. Sesamolin inhibited lipid accumulation and suppressed the expression of adipocyte markers during adipocyte differentiation of C3H10T1/2, 3T3-L1, and primary preadipocytes. Mechanism studies revealed that sesamolin increased Nrf2 protein expression without inducing its mRNA, leading to an increase in the expression of Nrf2 target genes such as heme oxygenase 1 and NAD(P)H:quinone oxidoreductase 1 (Nqo1) in C3H10T1/2 adipocytes and mouse embryonic fibroblasts. These effects were significantly attenuated in Nrf2 knockout (KO) mouse embryonic fibroblasts, indicating that effects of sesamolin were dependent on Nrf2. In H1299 human lung cancer cells with KO of Kelch like-ECH-associated protein 1 (Keap1), a negative regulator of Nrf2, sesamolin failed to further increase Nrf2 protein expression. However, upon reexpressing Keap1 in Keap1 KO cells, the ability of sesamolin to elevate Nrf2 protein expression was restored, highlighting the crucial role of Keap1 in sesamolin-induced Nrf2 activation. Taken together, these findings show that sesamolin can inhibit adipocyte differentiation through Keap1-mediated Nrf2 activation.
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Affiliation(s)
- Da-Young Kim
- Department of Food Science and Biotechnology, Food Clinical Research Center, Sungkyunkwan University, Suwon, Korea
| | - Seungjun Oh
- Department of Food Science and Biotechnology, Food Clinical Research Center, Sungkyunkwan University, Suwon, Korea
| | - Hae-Sun Ko
- Department of Food Science and Biotechnology, Food Clinical Research Center, Sungkyunkwan University, Suwon, Korea
| | - Sanghee Park
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Korea
| | - Young-Jun Jeon
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Korea
| | - Jihoe Kim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, Republic of Korea
| | - Dong Kwon Yang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Chonbuk National University, Iksan, Republic of Korea
| | - Kye Won Park
- Department of Food Science and Biotechnology, Food Clinical Research Center, Sungkyunkwan University, Suwon, Korea.
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19
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Chang KH, Chen CM. The Role of NRF2 in Trinucleotide Repeat Expansion Disorders. Antioxidants (Basel) 2024; 13:649. [PMID: 38929088 PMCID: PMC11200942 DOI: 10.3390/antiox13060649] [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: 04/10/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
Trinucleotide repeat expansion disorders, a diverse group of neurodegenerative diseases, are caused by abnormal expansions within specific genes. These expansions trigger a cascade of cellular damage, including protein aggregation and abnormal RNA binding. A key contributor to this damage is oxidative stress, an imbalance of reactive oxygen species that harms cellular components. This review explores the interplay between oxidative stress and the NRF2 pathway in these disorders. NRF2 acts as the master regulator of the cellular antioxidant response, orchestrating the expression of enzymes that combat oxidative stress. Trinucleotide repeat expansion disorders often exhibit impaired NRF2 signaling, resulting in inadequate responses to excessive ROS production. NRF2 activation has been shown to upregulate antioxidative gene expression, effectively alleviating oxidative stress damage. NRF2 activators, such as omaveloxolone, vatiquinone, curcumin, sulforaphane, dimethyl fumarate, and resveratrol, demonstrate neuroprotective effects by reducing oxidative stress in experimental cell and animal models of these diseases. However, translating these findings into successful clinical applications requires further research. In this article, we review the literature supporting the role of NRF2 in the pathogenesis of these diseases and the potential therapeutics of NRF2 activators.
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Affiliation(s)
- Kuo-Hsuan Chang
- Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Kueishan, Taoyuan 333, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Chiung-Mei Chen
- Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Kueishan, Taoyuan 333, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
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20
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Duangjan C, Arpawong TE, Spatola BN, Curran SP. Hepatic WDR23 proteostasis mediates insulin homeostasis by regulating insulin-degrading enzyme capacity. GeroScience 2024:10.1007/s11357-024-01196-y. [PMID: 38767782 DOI: 10.1007/s11357-024-01196-y] [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: 02/08/2024] [Accepted: 05/08/2024] [Indexed: 05/22/2024] Open
Abstract
Maintaining insulin homeostasis is critical for cellular and organismal metabolism. In the liver, insulin is degraded by the activity of the insulin-degrading enzyme (IDE). Here, we establish a hepatic regulatory axis for IDE through WDR23-proteostasis. Wdr23KO mice have increased IDE expression, reduced circulating insulin, and defective insulin responses. Genetically engineered human cell models lacking WDR23 also increase IDE expression and display dysregulated phosphorylation of insulin signaling cascade proteins, IRS-1, AKT2, MAPK, FoxO, and mTOR, similar to cells treated with insulin, which can be mitigated by chemical inhibition of IDE. Mechanistically, the cytoprotective transcription factor NRF2, a direct target of WDR23-Cul4 proteostasis, mediates the enhanced transcriptional expression of IDE when WDR23 is ablated. Moreover, an analysis of human genetic variation in WDR23 across a large naturally aging human cohort in the US Health and Retirement Study reveals a significant association of WDR23 with altered hemoglobin A1C (HbA1c) levels in older adults, supporting the use of WDR23 as a new molecular determinant of metabolic health in humans.
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Affiliation(s)
- Chatrawee Duangjan
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
| | - Thalida Em Arpawong
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
| | - Brett N Spatola
- Dornsife College of Letters, Arts, and Science, University of Southern California, Los Angeles, CA, 90089, USA
| | - Sean P Curran
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA.
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21
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Venditti M, Romano MZ, Boccella S, Haddadi A, Biasi A, Maione S, Minucci S. Type 1 diabetes impairs the activity of rat testicular somatic and germ cells through NRF2/NLRP3 pathway-mediated oxidative stress. Front Endocrinol (Lausanne) 2024; 15:1399256. [PMID: 38818504 PMCID: PMC11137174 DOI: 10.3389/fendo.2024.1399256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 04/26/2024] [Indexed: 06/01/2024] Open
Abstract
Background It is well known that metabolic disorders, including type 1 diabetes (T1D), are often associated with reduced male fertility, mainly increasing oxidative stress and impairing the hypothalamus-pituitary-testis (HPT) axis, with consequently altered spermatogenesis and reduced sperm parameters. Herein, using a rat model of T1D obtained by treatment with streptozotocin (STZ), we analyzed several parameters of testicular activity. Methods A total of 10 adult male Wistar rats were divided into two groups of five: control and T1D, obtained with a single intraperitoneal injection of STZ. After 3 months, the rats were anesthetized and sacrificed; one testis was stored at -80°C for biochemical analysis, and the other was fixed for histological and immunofluorescence analysis. Results The data confirmed that T1D induced oxidative stress and, consequently, alterations in both testicular somatic and germ cells. This aspect was highlighted by enhanced apoptosis, altered steroidogenesis and Leydig cell maturity, and impaired spermatogenesis. In addition, the blood-testis barrier integrity was compromised, as shown by the reduced levels of structural proteins (N-cadherin, ZO-1, occludin, connexin 43, and VANGL2) and the phosphorylation status of regulative kinases (Src and FAK). Mechanistically, the dysregulation of the SIRT1/NRF2/MAPKs signaling pathways was proven, particularly the reduced nuclear translocation of NRF2, affecting its ability to induce the transcription of genes encoding for antioxidant enzymes. Finally, the stimulation of testicular inflammation and pyroptosis was also confirmed, as highlighted by the increased levels of some markers, such as NF-κB and NLRP3. Conclusion The combined data allowed us to confirm that T1D has detrimental effects on rat testicular activity. Moreover, a better comprehension of the molecular mechanisms underlying the association between metabolic disorders and male fertility could help to identify novel targets to prevent and treat fertility disorders related to T1D.
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Affiliation(s)
- Massimo Venditti
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania “Luigi Vanvitelli”, Napoli, Italy
| | - Maria Zelinda Romano
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania “Luigi Vanvitelli”, Napoli, Italy
| | - Serena Boccella
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania “Luigi Vanvitelli”, Napoli, Italy
| | - Asma Haddadi
- Laboratoire LR11ES41 Génétique Biodiversité et Valorisation des Bio-Ressourcés Institut Supérieur de Biotechnologie de Monastir, Université de Monastir, Monastir, Tunisia
| | - Alessandra Biasi
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania “Luigi Vanvitelli”, Napoli, Italy
| | - Sabatino Maione
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania “Luigi Vanvitelli”, Napoli, Italy
| | - Sergio Minucci
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania “Luigi Vanvitelli”, Napoli, Italy
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22
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Albrakati A. The potential neuroprotective of luteolin against acetamiprid-induced neurotoxicity in the rat cerebral cortex. Front Vet Sci 2024; 11:1361792. [PMID: 38818490 PMCID: PMC11138160 DOI: 10.3389/fvets.2024.1361792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 04/18/2024] [Indexed: 06/01/2024] Open
Abstract
Acetamiprid is a class of neuroactive insecticides widely used to control insect pests. The current study aimed to investigate the potential neuroprotective effects of luteolin against acetamiprid-induced neurotoxicity in the rat cerebral cortex. Four equal groups of adult male rats (10 in each): control, acetamiprid (40 mg/kg for 28 days), luteolin (50 mg/kg for 28 days), and acetamiprid+luteolin cotreatment were used. Acetamiprid was shown to alter the oxidative state by increasing oxidant levels [nitric oxide (NO) and malondialdehyde (MDA)] and decreasing antioxidants [glutathione (GSH), glutathione peroxidase (GPx), glutathione reductase (GR), superoxide dismutase (SOD), and catalase-(CAT)], with increased activity of nuclear factor erythroid 2-related factor 2-(Nrf2). Likewise, acetamiprid increases the inflammatory response, as evidenced by increased interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and nuclear factor kappa B-(NF-κB). In contrast, the treatment with luteolin brought these markers back to levels close to normal, showing that it protects neurocytes from oxidative damage and the neuroinflammation effects of acetamiprid-induced inflammation. Luteolin also demonstrated a neuroprotective role via the modulation of acetylcholinesterase (AChE) activity in the cerebral cortex tissue. Histopathology showed severe neurodegenerative changes, and apoptotic cells were seen in the acetamiprid-induced cerebral cortex layer, which was evident by increased protein expression levels of Bax and caspase-3 and decreased Bcl-2 levels. Histochemistry confirmed the neuronal degeneration, as proven by the change in neurocyte colour from brown to black when stained with a silver stain. Luteolin may have a neuroprotective effect against biochemical and histopathological changes induced by acetamiprid in the rat cerebral cortex.
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Affiliation(s)
- Ashraf Albrakati
- Department of Human Anatomy, College of Medicine, Taif University, Taif, Saudi Arabia
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23
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Daamouch S, Blüher M, Vázquez DC, Hackl M, Hofbauer LC, Rauner M. MiR-144-5p and miR-21-5p do not drive bone disease in a mouse model of type 1 diabetes mellitus. JBMR Plus 2024; 8:ziae036. [PMID: 38606150 PMCID: PMC11008730 DOI: 10.1093/jbmrpl/ziae036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 04/13/2024] Open
Abstract
The increased risk of fractures in patients with type 1 diabetes mellitus (T1DM) is nowadays well recognized. However, the exact mechanism of action of diabetic bone disease has not been fully elucidated. MicroRNAs (miRNAs) are gene regulators that operate post-transcriptionally and have been implicated in the development of various metabolic disorders including T1DM. Previous studies have implicated a role for miR-144-5p and miR-21-5p, which are involved in controlling oxidative stress by targeting Nrf2, in T1DM. To date, it is unclear whether miR-144-5p and miR-21-5p affect bone health in T1DM. Thus, this study aimed to investigate the influence of miR-144-5p and miR-21-5p knockdown in the development of bone disease in T1DM male mice. Therefore, T1DM was induced in 10-wk-old male mice using streptozotocin (STZ). One week later, after development of hyperglycemia, antagomir-144-5p and antagomir-21-5p or their non-targeting control were administered at 10 mg/kg BW once a week until the end of the experiment. At 14 wk of age, glucose levels, bone, and fat mass were analyzed. The results revealed that treating T1DM male mice with antagomir-144-5p and antagomir-21-5p did not protect against diabetes development or bone loss, despite the successful downregulation of the miRNAs and the normalization of Nrf2 mRNA levels in bone tissue. Histological and serological parameters of bone formation or resorption were not altered by the antagomir treatment. Finally, we measured the expression of miRNA-144-5p or miRNA-21-5p in the serum of 30 individuals with T1DM and compared them to non-diabetic controls, but did not find an altered expression of either miRNA. In conclusion, the knockdown of miR-144-5p and miR-21-5p does not affect STZ-induced diabetes development or loss of bone mass in male mice. However, it does normalize expression of the anti-oxidant factor Nrf2 in diabetic bone tissue.
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Affiliation(s)
- Souad Daamouch
- Department of Medicine III, Center for Healthy Aging, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
| | - Matthias Blüher
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, Leipzig, Saxony, 04109, Germany
| | | | | | - Lorenz C Hofbauer
- Department of Medicine III, Center for Healthy Aging, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
| | - Martina Rauner
- Department of Medicine III, Center for Healthy Aging, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
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24
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Lei P, Cao L, Zhang H, Fu J, Wei X, Zhou F, Cheng J, Ming J, Lu H, Jiang T. Polyene phosphatidylcholine enhances the therapeutic response of oxaliplatin in gastric cancer through Nrf2/HMOX1 mediated ferroptosis. Transl Oncol 2024; 43:101911. [PMID: 38377934 PMCID: PMC10891348 DOI: 10.1016/j.tranon.2024.101911] [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: 01/15/2024] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 02/22/2024] Open
Abstract
Oxaliplatin (OXA)-based chemotherapy is one of the first-line treatments for advanced gastric cancer. However, the potential risk for chemotherapy-induced hepatic injury can hinder its effectiveness. Polyene phosphatidylcholine (PPC) is often used as a hepatoprotective agent to counter OXA-induced hepatic injury; however, its impact on the antitumour effectiveness of OXA remains uncertain. Our retrospective study examined 98 patients with stage IV gastric cancer to assess the impact of PPC on progression-free survival (PFS) and disease control rate (DCR). Furthermore, in vitro and in vivo assays were conducted to elucidate the combined biological effects of OXA and PPC (OXA+PPC) on gastric cancer. RNA sequencing, luciferase reporter assays, live/dead cell assays, immunofluorescence, and western blotting were used to identify the activated signalling pathways and downstream factors post OXA+PPC treatment. The findings indicated that PPC served as an independent prognostic factor, correlating with prolonged PFS and improved DCR in patients with gastric cancer. The combination of OXA and PPC significantly inhibited tumour cell growth both in vitro and in vivo. RNA sequencing revealed that OXA+PPC treatment amplified reactive oxygen species and ferroptosis signalling pathways. Mechanistically, OXA+PPC upregulated the expression of haem oxygenase-1 by promoting the nuclear migration of nuclear factor erythroid 2-related factor (Nrf2), thereby enhancing its transcriptional activity. Drug-molecule docking analysis demonstrated that PPC competitively bound to the peptide structural domains of both Nrf2 and Kelch-like ECH-associated protein 1 (KEAP1), accounting for the increased translocation of Nrf2. In conclusion, our study reveals the synergistic antitumour potential of PPC and OXA while protecting patients against hepatic injury. This suggests a promising combined treatment approach for patients with advanced gastric cancer.
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Affiliation(s)
- Peijie Lei
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China; Department of Medicine, Qingdao University, Qingdao 266000, China
| | - Lianjing Cao
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Hongjun Zhang
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Jialei Fu
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Xiaojuan Wei
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Fei Zhou
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Jingjing Cheng
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Jie Ming
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Haijun Lu
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China.
| | - Tao Jiang
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao 266000, China.
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25
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Choi J, Lee H. MLL1 histone methyltransferase and UTX histone demethylase functionally cooperate to regulate the expression of NRF2 in response to ROS-induced oxidative stress. Free Radic Biol Med 2024; 217:48-59. [PMID: 38527695 DOI: 10.1016/j.freeradbiomed.2024.03.018] [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: 12/17/2023] [Revised: 03/18/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
The transcription factor NRF2 plays a pivotal role in maintaining redox and metabolic homeostasis by orchestrating oxidative stress-dependent transcription programs. Despite growing evidence implicating various cellular components in the regulation of NRF2 activity at the posttranslational stage, relatively less is known about the factors dictating the transcriptional activation of NRF2 in response to oxidative stress. In this study, we report the crucial roles of MLL1, an H3K4-specific methyltransferase, and UTX, an H3K27-specific histone demethylase, in the NRF2-dependent transcription program under oxidative stress. We find that the depletion of MLL1 or UTX results in increased susceptibility to oxidative stress, accompanied by higher intracellular ROS and the failed activation of antioxidant genes, including NRF2. In addition, MLL1 and UTX selectively target the NRF2 promoter, and exogenous FLAG-NRF2 expression increases the viability of MLL1-or UTX-depleted cells upon exposure to hydrogen peroxide. RNA-seq analysis demonstrates that depletion of MLL1 or UTX affects the changes in NRF2-dependent transcriptome in response to oxidative stress. Furthermore, ChIP and ChIP-seq analyses find that MLL1 and UTX functionally cooperate to establish a chromatin environment that favors active transcription at the H3K4me3/H3K27me3 bivalent NRF2 promoter in response to ROS-induced oxidative stress. Collectively, these findings provide a molecular mechanism underlying the cellular response to oxidative stress and highlight the importance of the chromatin structure and function in maintaining redox homeostasis.
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Affiliation(s)
- Janghyun Choi
- Department of Biological Sciences, College of Natural Science, Inha University, 100 Inha-ro, Michuhol-gu, Incheon, 22212, South Korea.
| | - Hansol Lee
- Department of Biological Sciences, College of Natural Science, Inha University, 100 Inha-ro, Michuhol-gu, Incheon, 22212, South Korea.
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26
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Park C, Cha HJ, Hwangbo H, Bang E, Kim HS, Yun SJ, Moon SK, Kim WJ, Kim GY, Lee SO, Shim JH, Choi YH. Activation of Heme Oxygenase-1 by Mangiferin in Human Retinal Pigment Epithelial Cells Contributes to Blocking Oxidative Damage. Biomol Ther (Seoul) 2024; 32:329-340. [PMID: 38586992 PMCID: PMC11063488 DOI: 10.4062/biomolther.2023.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/04/2023] [Accepted: 11/07/2023] [Indexed: 04/09/2024] Open
Abstract
Mangiferin is a kind of natural xanthone glycosides and is known to have various pharmacological activities. However, since the beneficial efficacy of this compound has not been reported in retinal pigment epithelial (RPE) cells, this study aimed to evaluate whether mangiferin could protect human RPE ARPE-19 cells from oxidative injury mimicked by hydrogen peroxide (H2O2). The results showed that mangiferin attenuated H2O2-induced cell viability reduction and DNA damage, while inhibiting reactive oxygen species (ROS) production and preserving diminished glutathione (GSH). Mangiferin also antagonized H2O2-induced inhibition of the expression and activity of antioxidant enzymes such as manganese superoxide dismutase and GSH peroxidase, which was associated with inhibition of mitochondrial ROS production. In addition, mangiferin protected ARPE-19 cells from H2O2-induced apoptosis by increasing the Bcl-2/Bax ratio, decreasing caspase-3 activation, and blocking poly(ADP-ribose) polymerase cleavage. Moreover, mangiferin suppressed the release of cytochrome c into the cytosol, which was achieved by interfering with mitochondrial membrane disruption. Furthermore, mangiferin increased the expression and activity of heme oxygenase-1 (HO-1) and nuclear factor-erythroid-2 related factor 2 (Nrf2). However, the inhibition of ROS production, cytoprotective and anti-apoptotic effects of mangiferin were significantly attenuated by the HO-1 inhibitor, indicating that mangiferin promoted Nrf2-mediated HO-1 activity to prevent ARPE-19 cells from oxidative injury. The results of this study suggest that mangiferin, as an Nrf2 activator, has potent ROS scavenging activity and may have the potential to protect oxidative stress-mediated ocular diseases.
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Affiliation(s)
- Cheol Park
- Division of Basic Sciences, College of Liberal Studies, Dong-eui University, Busan 47340, Republic of Korea
| | - Hee-Jae Cha
- Department of Parasitology and Genetics, Kosin University College of Medicine, Busan 49104, Republic of Korea
| | - Hyun Hwangbo
- Anti-Aging Research Center, Dong-eui University, Busan 47340, Republic of Korea
- Department of Biochemistry, College of Korean Medicine, Dong-eui University, Busan 47227, Republic of Korea
| | - EunJin Bang
- Anti-Aging Research Center, Dong-eui University, Busan 47340, Republic of Korea
- Department of Biochemistry, College of Korean Medicine, Dong-eui University, Busan 47227, Republic of Korea
| | - Heui-Soo Kim
- Department of Biological Sciences, College of Natural Sciences, Pusan National University, Busan 46241, Republic of Korea
| | - Seok Joong Yun
- Department of Urology, Chungbuk National University College of Medicine, Cheongju 28644, Republic of Korea
| | - Sung-Kwon Moon
- Department of Food and Nutrition, Chung-Ang University, Ansung 17546, Republic of Korea
| | - Wun-Jae Kim
- Department of Urology, Chungbuk National University College of Medicine, Cheongju 28644, Republic of Korea
- Institute of Urotech, Cheongju 28120, Republic of Korea
| | - Gi-Young Kim
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea
| | - Seung-On Lee
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea
| | - Jung-Hyun Shim
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea
- The China-US (Henan) Hormel Cancer Institute, Zhengzhou, Henan 450008, China
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dong-eui University, Busan 47340, Republic of Korea
- Department of Biochemistry, College of Korean Medicine, Dong-eui University, Busan 47227, Republic of Korea
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27
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Huang L, Zhang S, Bian M, Xiang X, Xiao L, Wang J, Lu S, Chen W, Zhang C, Mo G, Jiang L, Li Y, Zhang J. Injectable, anti-collapse, adhesive, plastic and bioactive bone graft substitute promotes bone regeneration by moderating oxidative stress in osteoporotic bone defect. Acta Biomater 2024; 180:82-103. [PMID: 38621599 DOI: 10.1016/j.actbio.2024.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 03/05/2024] [Accepted: 04/09/2024] [Indexed: 04/17/2024]
Abstract
The treatment of osteoporotic bone defect remains a big clinical challenge because osteoporosis (OP) is associated with oxidative stress and high levels of reactive oxygen species (ROS), a condition detrimental for bone formation. Anti-oxidative nanomaterials such as selenium nanoparticles (SeNPs) have positive effect on osteogenesis owing to their pleiotropic pharmacological activity which can exert anti-oxidative stress functions to prevent bone loss and facilitate bone regeneration in OP. In the current study a strategy of one-pot method by introducing Poly (lactic acid-carbonate) (PDT) and β-Tricalcium Phosphate (β-TCP) with SeNPs, is developed to prepare an injectable, anti-collapse, shape-adaptive and adhesive bone graft substitute material (PDT-TCP-SE). The PDT-TCP-SE bone graft substitute exhibits sufficient adhesion in biological microenvironments and osteoinductive activity, angiogenic effect and anti-inflammatory as well as anti-oxidative effect in vitro and in vivo. Moreover, the PDT-TCP-SE can protect BMSCs from erastin-induced ferroptosis through the Sirt1/Nrf2/GPX4 antioxidant pathway, which, in together, demonstrated the bone graft substitute material as an emerging biomaterial with potential clinical application for the future treatment of osteoporotic bone defect. STATEMENT OF SIGNIFICANCE: Injectable, anti-collapse, adhesive, plastic and bioactive bone graft substitute was successfully synthesized. Incorporation of SeNPs with PDT into β-TCP regenerated new bone in-situ by moderating oxidative stress in osteoporotic bone defects area. The PDT-TCP-SE bone graft substitute reduced high ROS levels in osteoporotic bone defect microenvironment. The bone graft substitute could also moderate oxidative stress and inhibit ferroptosis via Sirt1/Nrf2/GPX4 pathway in vitro. Moreover, the PDT-TCP-SE bone graft substitute could alleviate the inflammatory environment and promote bone regeneration in osteoporotic bone defect in vivo. This biomaterial has the advantages of simple synthesis, biocompatibility, anti-collapse, injectable, and regulation of oxidative stress level, which has potential application value in bone tissue engineering.
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Affiliation(s)
- Lei Huang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Shihao Zhang
- The Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Mengxuan Bian
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xingdong Xiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Lan Xiao
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4222, Australia
| | - Jiayi Wang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Shunyi Lu
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Weisin Chen
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Cheng Zhang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Guokang Mo
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Libo Jiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
| | - Yulin Li
- The Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China.
| | - Jian Zhang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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Culletta G, Buttari B, Arese M, Brogi S, Almerico AM, Saso L, Tutone M. Natural products as non-covalent and covalent modulators of the KEAP1/NRF2 pathway exerting antioxidant effects. Eur J Med Chem 2024; 270:116355. [PMID: 38555855 DOI: 10.1016/j.ejmech.2024.116355] [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: 01/16/2024] [Revised: 03/11/2024] [Accepted: 03/21/2024] [Indexed: 04/02/2024]
Abstract
By controlling several antioxidant and detoxifying genes at the transcriptional level, including NAD(P)H quinone oxidoreductase 1 (NQO1), multidrug resistance-associated proteins (MRPs), UDP-glucuronosyltransferase (UGT), glutamate-cysteine ligase catalytic (GCLC) and modifier (GCLM) subunits, glutathione S-transferase (GST), sulfiredoxin1 (SRXN1), and heme-oxygenase-1 (HMOX1), the KEAP1/NRF2 pathway plays a crucial role in the oxidative stress response. Accordingly, the discovery of modulators of this pathway, activating cellular signaling through NRF2, and targeting the antioxidant response element (ARE) genes is pivotal for the development of effective antioxidant agents. In this context, natural products could represent promising drug candidates for supplementation to provide antioxidant capacity to human cells. In recent decades, by coupling in silico and experimental methods, several natural products have been characterized to exert antioxidant effects by targeting the KEAP1/NRF2 pathway. In this review article, we analyze several natural products that were investigated experimentally and in silico for their ability to modulate KEAP1/NRF2 by non-covalent and covalent mechanisms. These latter represent the two main sections of this article. For each class of inhibitors, we reviewed their antioxidant effects and potential therapeutic applications, and where possible, we analyzed the structure-activity relationship (SAR). Moreover, the main computational techniques used for the most promising identified compounds are detailed in this survey, providing an updated view on the development of natural products as antioxidant agents.
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Affiliation(s)
- Giulia Culletta
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università Degli Studi di Palermo, Via Archirafi 32, 90123, Palermo, Italy
| | - Brigitta Buttari
- Department of Cardiovascular, Endocrine-metabolic Diseases, and Aging, Italian National Institute of Health, 00161, Rome, Italy
| | - Marzia Arese
- Department of Biochemical Sciences "A. Rossi Fanelli", Sapienza University of Rome, 00185, Rome, Italy
| | - Simone Brogi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy; Bioinformatics Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran.
| | - Anna Maria Almerico
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università Degli Studi di Palermo, Via Archirafi 32, 90123, Palermo, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, P.Le Aldo Moro 5, 00185, Rome, Italy
| | - Marco Tutone
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università Degli Studi di Palermo, Via Archirafi 32, 90123, Palermo, Italy.
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Dey KK, Kamila S, Das T, Chattopadhyay A. Lead induced genotoxicity and hepatotoxicity in zebrafish (Danio rerio) at environmentally relevant concentration: Nrf2-Keap1 regulated stress response and expression of biomarker genes. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 107:104396. [PMID: 38395243 DOI: 10.1016/j.etap.2024.104396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/07/2024] [Accepted: 02/19/2024] [Indexed: 02/25/2024]
Abstract
Genotoxic and hepatotoxic potentials of Pb at an environmentally relevant concentration (5 ppm) in zebrafish were investigated in the present study. Erythrocytic nuclear abnormality tests revealed the increased frequencies of abnormal erythrocytes after Pb exposure, indicating a strong genotoxic potential of Pb. Multiple stress-related parameters were further evaluated in liver, the major detoxifying organ. Pb caused increased production of ROS, which in turn caused severe oxidative stress. As a result, lipid peroxidation was increased, whereas reduced glutathione level and catalase activity was decreased. Alterations in liver histoarchitecture also served as evidence of Pb-induced hepatotoxicity. Pb-induced ROS stress triggered upregulation of Nrf2, Nqo1, Ho1; downregulation of Keap1, and altered mRNA expressions of Mn-sod, Cu/Zn-sod, gpx1, cyp1a, ucp2 suggesting involvement of Nrf2-Keap1-ARE signaling in cellular defence. Nrf2-keap1 is a sensitive biomarker of Pb-induced ROS stress. Overexpression of Hsp70 and other genes in hepatocytes might help cell survival under oxidative stress generation.
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Affiliation(s)
- Koushik Kumar Dey
- Department of Zoology, Visva-Bharati, Santiniketan, West Bengal - 731235, India
| | - Sreejata Kamila
- Department of Zoology, Visva-Bharati, Santiniketan, West Bengal - 731235, India
| | - Tanmoy Das
- Department of Zoology, Visva-Bharati, Santiniketan, West Bengal - 731235, India
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30
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Liu S, Qin T, Zou F, Dong H, Yu L, Wang H, Zhang L. Pseudolaric acid B exerts an antifungal effect and targets SIRT1 to ameliorate inflammation by regulating Nrf2/NF-κB pathways in fungal keratitis. Inflammopharmacology 2024; 32:1133-1146. [PMID: 38150134 DOI: 10.1007/s10787-023-01408-5] [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: 10/24/2023] [Accepted: 11/30/2023] [Indexed: 12/28/2023]
Abstract
Fungal keratitis (FK) is a vision-threatening infection. We aimed to explore the antifungal and anti-inflammatory effects of pseudolaric acid B (PAB) on FK and the underlying mechanisms involved. Network pharmacology utilized to acquire the potential target genes, and silent information regulator 1 (SIRT1) was consistently downregulated in Gene Expression Omnibus dataset and clinical samples. Molecular docking analysis showed that PAB and SIRT1 had good binding activity. No toxicity was observed in vivo and in vitro with a PAB concentration below 0.3 μM. PAB exerted its antifungal activity by destroying the integrity of hyphae, and alleviated the severity of FK in rats by decreasing clinical scores, fungal burden and inhibiting inflammatory cell infiltration. PAB increased SIRT1 to regulate the crosstalk between nuclear factor erythroid 2-related factor 2 (Nrf2) and nuclear factor kappa-B (NF-κB), decreasing the levels of inflammatory cytokines tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6; and pattern recognition receptors, C-type lectin domain containing 7A (Dectin-1), lectin-like oxidized low-density lipoprotein receptor 1 (LOX-1), toll like receptor (TLR)-2, and TLR4 both in vivo and in vitro. However, this anti-inflammatory effect of PAB was abolished by the SIRT1 inhibitor EX527. This study provides new evidence that PAB has antifungal and anti-inflammatory effects in FK and may provide a novel therapeutic strategy for the treatment of FK.
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Affiliation(s)
- Shuyi Liu
- Dalian Medical University, 9 Lvshun Road South, Dalian, 116044, China
- Department of Ophthalmology, The Third People's Hospital of Dalian, Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Tao Qin
- Dalian Medical University, 9 Lvshun Road South, Dalian, 116044, China
| | - Fengkai Zou
- Dalian Medical University, 9 Lvshun Road South, Dalian, 116044, China
| | - He Dong
- Department of Ophthalmology, The Third People's Hospital of Dalian, Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Liang Yu
- Department of Ophthalmology, The Third People's Hospital of Dalian, Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hai Wang
- Department of Pathology, The Third People's Hospital of Dalian, Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Lijun Zhang
- Dalian Medical University, 9 Lvshun Road South, Dalian, 116044, China.
- Department of Ophthalmology, The Third People's Hospital of Dalian, Affiliated Hospital of Dalian Medical University, Dalian, China.
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31
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Liu J, Duangjan C, Irwin RW, Curran SP. WDR23 mediates NRF2 proteostasis and cytoprotective capacity in the hippocampus. Mech Ageing Dev 2024; 218:111914. [PMID: 38301772 PMCID: PMC10939789 DOI: 10.1016/j.mad.2024.111914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/05/2024] [Accepted: 01/28/2024] [Indexed: 02/03/2024]
Abstract
Pathogenic brain aging and neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease are characterized by chronic neuroinflammation and the accumulation of dysfunctional or misfolded proteins that lead to progressive neuronal cell death. Here we demonstrate that a murine model with global loss of the CUL4-DDB1 substrate receptor WDR23 (Wdr23KO) results in changes in multiple age-related hippocampal-dependent behaviors. The behavioral differences observed in Wdr23KO animals accompany the stabilization of the NRF2/NFE2L2 protein, an increase in RNA transcripts regulated by this cytoprotective transcription factor, and an increase in the steady state level of antioxidant defense proteins. Taken together, these findings reveal a role for WDR23-proteostasis in mediating cytoprotective capacity in the hippocampus and reveal the potential for targeting WDR23-NRF2 signaling interactions for development of therapies for neurodegenerative disorders.
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Affiliation(s)
- Jiahui Liu
- University of Southern California, Leonard Davis School of Gerontology, Los Angeles, CA 90089, USA
| | - Chatrawee Duangjan
- University of Southern California, Leonard Davis School of Gerontology, Los Angeles, CA 90089, USA
| | - Ronald W Irwin
- University of Southern California, Leonard Davis School of Gerontology, Los Angeles, CA 90089, USA
| | - Sean P Curran
- University of Southern California, Leonard Davis School of Gerontology, Los Angeles, CA 90089, USA.
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32
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Park C, Hwangbo H, Kim SO, Noh JS, Park SH, Hong SH, Hong SH, Kim GY, Choi YH. Anthocyanins Inhibits Oxidative Injury in Human Retinal Pigment Epithelial ARPE-19 Cells via Activating Heme Oxygenase-1. J Microbiol Biotechnol 2024; 34:596-605. [PMID: 38044685 PMCID: PMC11016763 DOI: 10.4014/jmb.2310.10011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/24/2023] [Accepted: 11/02/2023] [Indexed: 12/05/2023]
Abstract
Anthocyanins belong to phenolic pigments and are known to have various pharmacological activities. This study aimed to investigate whether anthocyanins could inhibit hydrogen peroxide (H2O2)-induced oxidative damage in human retinal pigment epithelial ARPE-19 cells. Our results indicated that anthocyanins suppressed H2O2-induced genotoxicity, while inhibiting reactive oxygen species (ROS) production and preserving diminished glutathione. Anthocyanins also suppressed H2O2-induced apoptosis by reversing the Bcl-2/Bax ratio and inhibiting caspase-3 activation. Additionally, anthocyanins attenuated the release of cytochrome c into the cytosol, which was achieved by interfering with mitochondrial membrane disruption. Moreover, anthocyanins increased the expression of heme oxygenase-1 (HO-1) as well as its activity, which was correlated with the phosphorylation and nuclear translocation of nuclear factor-erythroid-2 related factor 2 (Nrf2). However, the cytoprotective and anti-apoptotic effects of anthocyanins were significantly attenuated by the HO-1 inhibitor, demonstrating that anthocyanins promoted Nrf2-induced HO-1 activity to prevent ARPE-19 cells from oxidative stress. Therefore, our findings suggest that anthocyanins, as Nrf2 activators, have potent ROS scavenging activity and may have the potential to protect ocular injury caused by oxidative stress.
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Affiliation(s)
- Cheol Park
- Division of Basic Sciences, College of Liberal Studies, Dong-eui University, Busan 47340, Republic of Korea
| | - Hyun Hwangbo
- Anti-Aging Research Center, Dong-eui University, Busan 47340, Republic of Korea
- Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan 47227, Republic of Korea
| | - Sung Ok Kim
- Department of Food Science and Biotechnology, College of Engineering, Kyungsung University, Busan 48434, Republic of Korea
| | - Jeong Sook Noh
- Department of Food Science & Nutrition, Tongmyong University, Busan 48520, Republic of Korea
| | - Shin-Hyung Park
- Department of Pathology, Dong-eui University College of Korean Medicine, Busan 47227, Republic of Korea
| | - Su Hyun Hong
- Anti-Aging Research Center, Dong-eui University, Busan 47340, Republic of Korea
- Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan 47227, Republic of Korea
| | - Sang Hoon Hong
- Department of Internal Medicine, Dong-eui University College of Korean Medicine, Busan 47227, Republic of Korea
| | - Gi-Young Kim
- Laboratory of Immunobiology, Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dong-eui University, Busan 47340, Republic of Korea
- Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan 47227, Republic of Korea
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Rosario-Rodríguez LJ, Cantres-Rosario YM, Carrasquillo-Carrión K, Rodríguez-De Jesús AE, Cartagena-Isern LJ, García-Requena LA, Roche-Lima A, Meléndez LM. Quantitative Proteomics Reveal That CB2R Agonist JWH-133 Downregulates NF-κB Activation, Oxidative Stress, and Lysosomal Exocytosis from HIV-Infected Macrophages. Int J Mol Sci 2024; 25:3246. [PMID: 38542221 PMCID: PMC10970132 DOI: 10.3390/ijms25063246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 04/13/2024] Open
Abstract
HIV-associated neurocognitive disorders (HAND) affect 15-55% of HIV-positive patients and effective therapies are unavailable. HIV-infected monocyte-derived macrophages (MDM) invade the brain of these individuals, promoting neurotoxicity. We demonstrated an increased expression of cathepsin B (CATB), a lysosomal protease, in monocytes and post-mortem brain tissues of women with HAND. Increased CATB release from HIV-infected MDM leads to neurotoxicity, and their secretion is associated with NF-κB activation, oxidative stress, and lysosomal exocytosis. Cannabinoid receptor 2 (CB2R) agonist, JWH-133, decreases HIV-1 replication, CATB secretion, and neurotoxicity from HIV-infected MDM, but the mechanisms are not entirely understood. We hypothesized that HIV-1 infection upregulates the expression of proteins associated with oxidative stress and that a CB2R agonist could reverse these effects. MDM were isolated from healthy women donors (n = 3), infected with HIV-1ADA, and treated with JWH-133. After 13 days post-infection, cell lysates were labeled by Tandem Mass Tag (TMT) and analyzed by LC/MS/MS quantitative proteomics bioinformatics. While HIV-1 infection upregulated CATB, NF-κB signaling, Nrf2-mediated oxidative stress response, and lysosomal exocytosis, JWH-133 treatment downregulated the expression of the proteins involved in these pathways. Our results suggest that JWH-133 is a potential alternative therapy against HIV-induced neurotoxicity and warrant in vivo studies to test its potential against HAND.
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Affiliation(s)
- Lester J. Rosario-Rodríguez
- Department of Microbiology and Medical Zoology, University of Puerto Rico-Medical Sciences Campus, San Juan 00935, Puerto Rico;
| | - Yadira M. Cantres-Rosario
- Translational Proteomics Center, Center for Collaborative Research in Health Disparities, University of Puerto Rico-Medical Sciences Campus, San Juan 00935, Puerto Rico; (Y.M.C.-R.); (A.E.R.-D.J.)
| | - Kelvin Carrasquillo-Carrión
- Integrated Informatics Core, Center for Collaborative Research in Health Disparities, University of Puerto Rico-Medical Sciences Campus, San Juan 00935, Puerto Rico; (K.C.-C.); (A.R.-L.)
| | - Ana E. Rodríguez-De Jesús
- Translational Proteomics Center, Center for Collaborative Research in Health Disparities, University of Puerto Rico-Medical Sciences Campus, San Juan 00935, Puerto Rico; (Y.M.C.-R.); (A.E.R.-D.J.)
| | - Luz J. Cartagena-Isern
- Department of Biology, University of Puerto Rico-Río Piedras Campus, San Juan 00925, Puerto Rico; (L.J.C.-I.); (L.A.G.-R.)
| | - Luis A. García-Requena
- Department of Biology, University of Puerto Rico-Río Piedras Campus, San Juan 00925, Puerto Rico; (L.J.C.-I.); (L.A.G.-R.)
| | - Abiel Roche-Lima
- Integrated Informatics Core, Center for Collaborative Research in Health Disparities, University of Puerto Rico-Medical Sciences Campus, San Juan 00935, Puerto Rico; (K.C.-C.); (A.R.-L.)
| | - Loyda M. Meléndez
- Department of Microbiology and Medical Zoology, University of Puerto Rico-Medical Sciences Campus, San Juan 00935, Puerto Rico;
- Translational Proteomics Center, Center for Collaborative Research in Health Disparities, University of Puerto Rico-Medical Sciences Campus, San Juan 00935, Puerto Rico; (Y.M.C.-R.); (A.E.R.-D.J.)
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34
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Barreto II, Gonçalves LR, Corrêa AF, Marin-Morales MA, Moraes KCM. Predictive toxicological effects of Artemisia absinthium essential oil on hepatic stellate cells. Toxicol In Vitro 2024; 95:105738. [PMID: 38000518 DOI: 10.1016/j.tiv.2023.105738] [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: 08/28/2023] [Revised: 11/08/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023]
Abstract
Medicinal plants are important worldwide, considering their properties for treating diseases; however, few studies have evaluated their toxicological potential. Among them, Artemisia absinthium is frequently used to treat liver diseases, because its essential oil has several popular therapeutic properties. Based on this information, in the present study, we investigated molecular connectors of physiological effects of the Artemisia absinthium essential oil on human hepatic stellate cell line, LX-2, to explore the potential toxicity of the plant on liver cells. LX-2 is a cellular model to investigate mechanisms of liver fibrosis; then, to analyze the essential oil effects LX-2 was cultured under different conditions, treated or not with the essential oil at 0.4 μg/μL for 24 h. Next, fluorescence microscopy analyses, gene expression measurements, and biochemical approaches revealed that the essential oil reduced pro-fibrogenic markers; however, disrupt lipid metabolism, and cause cellular stress, by the activation of cellular detoxification and pro-inflammatory processes. In conclusion, the hepatic stellate cells incubated with the essential oil present an antifibrotic potential, supporting its popular use; however, the combined results suggest that the essential oil of Artemisia absinthium should be used with caution.
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Affiliation(s)
- I I Barreto
- Universidade Estadual Paulista "Júlio de Mesquita Filho" - Programa de Pós-Graduação em Biotecnologia, Campus Araraquara, Instituto de Química, Araraquara, SP, Brazil; Laboratório de Sinalização Celular e Expressão Gênica, Universidade Estadual Paulista "Júlio de Mesquita Filho" - Campus Rio Claro, Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, SP, Brazil
| | - L R Gonçalves
- Laboratório de Mutagênese Ambiental, Universidade Estadual Paulista "Júlio de Mesquita Filho" - Campus Rio Claro, Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, SP, Brazil
| | - A F Corrêa
- Laboratório de Mutagênese Ambiental, Universidade Estadual Paulista "Júlio de Mesquita Filho" - Campus Rio Claro, Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, SP, Brazil
| | - M A Marin-Morales
- Laboratório de Mutagênese Ambiental, Universidade Estadual Paulista "Júlio de Mesquita Filho" - Campus Rio Claro, Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, SP, Brazil
| | - K C M Moraes
- Universidade Estadual Paulista "Júlio de Mesquita Filho" - Programa de Pós-Graduação em Biotecnologia, Campus Araraquara, Instituto de Química, Araraquara, SP, Brazil; Laboratório de Sinalização Celular e Expressão Gênica, Universidade Estadual Paulista "Júlio de Mesquita Filho" - Campus Rio Claro, Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Rio Claro, SP, Brazil.
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Zhai DS, Wang XS, Yang L, Jiang YL, Jin YC, Yan YX, Song DK, Zhang K, Han ZK, Liu MY, Wu YM, Ma X, Qi JY, Yang F, Tian F, Li XB, Liu SB. TOM40 mediates the effect of TSPO on postpartum depression partially through regulating calcium homeostasis in microglia. J Affect Disord 2024; 348:283-296. [PMID: 38159656 DOI: 10.1016/j.jad.2023.12.051] [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: 08/01/2023] [Revised: 12/03/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
AIMS To assess the effect of the translocator protein 18 kDa (TSPO) on postpartum depression and explore its mechanism. METHODS Postpartum depression (PPD) mouse model was established, and flow cytometry, immunofluorescence, Western blot analysis, real-time quantitative PCR, adeno-associated virus (AAV), co-immunoprecipitation-mass spectrometry and immunofluorescence co-staining were used to detect the effect of TSPO ligand ZBD-2 on PPD mice. RESULTS ZBD-2 inhibits the overactivation of microglia in the hippocampus and amygdala of PPD model mice. ZBD-2 not only inhibited the inflammation but also repressed the burst of reactive oxygen species (ROS) and mitochondrial ROS (mtROS). Meanwhile, ZBD-2 protects mitochondria from LPS-induced damages through inhibiting the influx of calcium. ZBD-2 modulated the calcium influx by increasing the level of translocase of the outer mitochondrial membrane 40 (TOM40) and reducing the interaction of TSPO and TOM40. In addition, the effect of ZBD-2 was partially dependent on anti-oxidative process. Knockdown of TOM40 by adeno-associated virus (AAV) in the hippocampus or amygdala dramatically reduced the effect of ZBD-2 on PPD, indicating that TOM40 mediates the effect of ZBD-2 on PPD. CONCLUSIONS TOM40 is required for the effect of ZBD-2 on treating anxiety and depression in PPD mice. This study reveals the role of microglia TSPO in PPD development and provides the new therapeutic strategy for PPD.
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Affiliation(s)
- Dong-Sheng Zhai
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Xin-Shang Wang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Le Yang
- Precision Pharmacy & Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yong-Li Jiang
- Precision Pharmacy & Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yu-Chen Jin
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Yu-Xuan Yan
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Da-Ke Song
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Kun Zhang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Zu-Kang Han
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Ming-Ying Liu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Yu-Mei Wu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Xue Ma
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Jing-Yu Qi
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Fan Yang
- Precision Pharmacy & Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Fei Tian
- Teaching Experimental Center, Fourth Military Medical University, Xi'an, China
| | - Xu-Bo Li
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China.
| | - Shui-Bing Liu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China.
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36
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Rao Y, Lin H, Rao H, Rao Y, Tang X, Zuo H, Wang Y. Isoegomaketone alleviates inflammatory response and oxidative stress in sepsis lung injury. Allergol Immunopathol (Madr) 2024; 52:16-22. [PMID: 38459886 DOI: 10.15586/aei.v52i2.1030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/04/2023] [Indexed: 03/11/2024]
Abstract
BACKGROUND Sepsis is a life-threatening condition characterized by acute organ dysfunction, which frequently leads to acute lung injury (ALI) in approximately 40% of cases. Isoegomaketone (IK) is a constituent of essential oil found in P. frutescens, known for its diverse biological properties, including anti-inflammatory and antitumor effects. However, the regulatory impact of IK on ALI in the context of sepsis remains poorly understood. METHODS Pathological alterations in lung tissues were assessed using hematoxylin and eosin staining. Enumeration of total leukocytes and neutrophils in bronchoalveolar lavage fluid (BALF) was performed using a hematocytometer, while the levels of interleukin (IL)-6, IL-1β, IL-10, and IL-17 in BALF were quantified using enzyme-linked immunosorbent serological assay. In addition, the levels of malondialdehyde (MDA), myeloperoxidase (MPO), superoxide dismutase (SOD), and glutathione (GSH) in lung tissues were assessed using respective commercial kits; cell apoptosis was evaluated using the terminal deoxynucleotide transferase--mediated dUTP nick end-labeling assay, and protein expressions were determined through Western blot analysis. RESULTS Our findings revealed that cecal ligation and puncture (CLP) treatment in mice induced severe lung injury, characterized by increased lung injury scores, significant bleeding, neutrophil infiltration, and alveolar edema. However, treatment with IK at a dose of 10 mg/kg ameliorated CLP-induced lung injury, while IK dose of 5 mg/kg showed no significant effect. Additionally, IK treatment at 10 mg/kg reduced CLP-induced inflammation by decreasing levels of IL-6, IL-1β, IL-10, and IL-17. Furthermore, IK at 10 mg/kg attenuated CLP-induced oxidative stress by modulating levels of MDA, MPO, SOD, and GSH. Moreover, IK treatment with a dose of 10 mg/kg activated the nuclear factor erythroid 2-related factor 2-heme oxygenase-1 (Nrf2-HO-1) pathway by enhancing the protein expressions of Nrf2 and HO-1. CONCLUSION This study demonstrates that IK could mitigate the inflammatory response and oxidative stress associated with sepsis-induced ALI, supporting IK as a promising therapeutic agent for the treatment of sepsis-associated ALI.
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Affiliation(s)
- Yunwei Rao
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Hai Lin
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China;
| | - Huan Rao
- Division 1 of Internal Medicine, Zhangshu People's Hospital, Yichun, Jiangxi, China
| | - Yunkun Rao
- Department of General Surgery, Zhangshu Hospital of TCM, Yichun, Jiangxi, China
| | - Xiaoyuan Tang
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Huimin Zuo
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Ying Wang
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
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Li P, Wang Z, Zhao T, Cheng X, Zhang Z, Wang J, Wang S, Huang R, Hui Z. Protective Effect of Compound Tongluo Decoction on Brain Vascular Endothelial Cells after Ischemia-Reperfusion by Inhibition of Ferroptosis Through Regulating Nrf2/ARE/SLC7A11 Signaling Pathway. Adv Biol (Weinh) 2024; 8:e2300416. [PMID: 38143273 DOI: 10.1002/adbi.202300416] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 12/07/2023] [Indexed: 12/26/2023]
Abstract
Cerebral infarction is one of the most common diseases for aged people. Compound Tongluo Decoction (CTLD), a classic traditional Chinese Medicine prescription, has been widely used in the treatment of ischemic cerebral infarction. Transient middle cerebral artery occlusion (tMCAO) rat model is established for the animal experiment and oxygen-glucose deprivation and reperfusion (OGD/R) human umbilical vein endothelial cells (HUVECs) model are established for the cell experiment. This also use Nrf2-/- rats to detect the role of nuclear factor erythroid 2-related factor 2 (Nrf2). Longa score, Evans blue staining, brain water content measurement, and histological observation are done. The levels of reactive oxygen species (ROS), malondialdehyde (MDA), superoxide dismutase (SOD), and other ferroptosis-related components are detected respectively. In the vivo experiment, CTLD relieved ischemia-reperfusion (IR) injury symptoms and attenuated IR injury in brain tissues of tMCAO rats by relieving peroxidation injury in brain tissues and inhibiting ferroptosis in tMCAO rats. Moreover, CTLD reversed OGD/R-induced oxidative damage of endothelial cells via suppressing ferroptosis. After knocking out the Nrf2 gene, the protective effect of CTLD is sharply reduced. This study put forward that CTLD can inhibit ferroptosis in I/R-injured vascular endothelium by regulating Nrf2/ARE/SLC7A11 signaling to improve the relative symptoms of rats after cerebral I/R injury, thus providing a viable treatment option for cerebrovascular disease.
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Affiliation(s)
- Peiyi Li
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, P. R. China
- The First School of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, P. R. China
| | - Zhongda Wang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, P. R. China
| | - Tong Zhao
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, P. R. China
| | - Xiaolan Cheng
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, P. R. China
| | - Zhennian Zhang
- Department of Neurology, Nanjing Hospital of Chinese Medicine affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210001, P. R. China
| | - Jingqing Wang
- Department of Neurology, Nanjing Hospital of Chinese Medicine affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210001, P. R. China
| | - Sulei Wang
- Department of Neurology, Nanjing Hospital of Chinese Medicine affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210001, P. R. China
| | - Ruiou Huang
- Department of Infectious Diseases, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210017, P. R. China
| | - Zhen Hui
- Department of Neurology, Nanjing Hospital of Chinese Medicine affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210001, P. R. China
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Sharawi ZW, Ibrahim IM, Abd-Alhameed EK, Althagafy HS, Jaber FA, Harakeh S, Hassanein EHM. Baicalin and lung diseases. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:1405-1419. [PMID: 37725153 DOI: 10.1007/s00210-023-02704-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/30/2023] [Indexed: 09/21/2023]
Abstract
Studies focusing on natural products have been conducted worldwide, and the results suggest that their natural ingredients effectively treat a wide range of illnesses. Baicalin (BIA) is a glycoside derived from the flavonoid baicalein present in Scutellaria baicalensis of the Lamiaceae family. Interestingly, BIA has been shown to protect the lungs in several animal models used in numerous studies. Therefore, we fully analyzed the data of the studies that focused on BIA's lung protective function against various injuries and included them in this review. Interestingly, BIA exhibits promising effects against acute lung injury, lung fibrosis, pulmonary embolism, and lung remodelling associated with COPD, LPS, and paraquat insecticide. BAI exhibits anticancer activity against lung cancer. Additionally, BIA potently attenuates lung damage associated with infections. BIA primarily exerts its therapeutic effects by suppressing inflammation, oxidative stress immune response, and apoptosis pathways. Nrf2/HO-1, PI3K/Akt, NF-κB, STAT3, MAPKs, TLR4, and NLRP3 are important targets in the pulmonary therapeutic effects of BIA on different lung disease models. Consequently, we recommend using it in future potential clinical applications, its contribution to treatment guidelines, and translating its promising effects to clinical practice in lung diseases.
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Affiliation(s)
- Zeina W Sharawi
- Biological Sciences Department, Faculty of Sciences, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Islam M Ibrahim
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Esraa K Abd-Alhameed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Hanan S Althagafy
- Department of Biochemistry, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Fatima A Jaber
- Department of Biology, College of Science, University of Jeddah, P.O. Box 80327, Jeddah, 21589, Saudi Arabia
| | - Steve Harakeh
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Yousef Abdul Lateef Jameel Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Emad H M Hassanein
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt.
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Yaylim İ, Aru M, Farooqi AA, Hakan MT, Buttari B, Arese M, Saso L. Regulation of Nrf2/Keap1 signaling pathway in cancer drug resistance by galectin-1: cellular and molecular implications. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2024; 7:8. [PMID: 38434765 PMCID: PMC10905161 DOI: 10.20517/cdr.2023.79] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
Oxidative stress is characterized by the deregulation of the redox state in the cells, which plays a role in the initiation of various types of cancers. The activity of galectin-1 (Gal-1) depends on the cell redox state and the redox state of the microenvironment. Gal-1 expression has been related to many different tumor types, as it plays important roles in several processes involved in cancer progression, such as apoptosis, cell migration, adhesion, and immune response. The erythroid-2-related factor 2 (Nrf2)/Kelch-like ECH-associated protein 1 (Keap1) signaling pathway is a crucial mechanism involved in both cell survival and cell defense against oxidative stress. In this review, we delve into the cellular and molecular roles played by Gal-1 in the context of oxidative stress onset in cancer cells, particularly focusing on its involvement in activating the Nrf2/Keap1 signaling pathway. The emerging evidence concerning the anti-apoptotic effect of Gal-1, together with its ability to sustain the activation of the Nrf2 pathway in counteracting oxidative stress, supports the role of Gal-1 in the promotion of tumor cells proliferation, immuno-suppression, and anti-tumor drug resistance, thus highlighting that the inhibition of Gal-1 emerges as a potential strategy for the restraint and regression of tumor progression. Overall, a deeper understanding of the multi-functionality and disease-specific expression profiling of Gal-1 will be crucial for the design and development of novel Gal-1 inhibitors as anticancer agents. Excitingly, although it is still understudied, the ever-growing knowledge of the sophisticated interplay between Gal-1 and Nrf2/Keap1 will enable researchers to gain valuable insights into the underlying causes of carcinogenesis and metastasis.
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Affiliation(s)
- İlhan Yaylim
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul 34280, Turkiye
| | - Melek Aru
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul 34280, Turkiye
- Department of Medical Education, Istinye University Faculty of Medicine, Istanbul 34396, Turkiye
| | - Ammad Ahmad Farooqi
- Institute of Biomedical and Genetic Engineering (IBGE), Islamabad 54000, Pakistan
| | - Mehmet Tolgahan Hakan
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul 34280, Turkiye
| | - Brigitta Buttari
- Department of Cardiovascular and Endocrine-Metabolic Diseases, and Aging, Italian National Institute of Health, Rome 00161, Italy
| | - Marzia Arese
- Department of Biochemical Sciences “A. Rossi Fanelli”, Sapienza University, Rome 00185, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University, Rome 00185, Italy
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Pan F, Shu Q, Xie H, Zhao L, Wu P, Du Y, Lu J, He Y, Wang X, Peng H. Protective effects of triptolide against oxidative stress in retinal pigment epithelium cells via the PI3K/AKT/Nrf2 pathway: a network pharmacological method and experimental validation. Aging (Albany NY) 2024; 16:3955-3972. [PMID: 38393691 PMCID: PMC10929812 DOI: 10.18632/aging.205570] [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: 09/08/2023] [Accepted: 01/11/2024] [Indexed: 02/25/2024]
Abstract
PURPOSE Among aging adults, age-related macular degeneration (AMD), is a prevalent cause of blindness. Nevertheless, its progression may be halted by antioxidation in retinal pigment epithelium (RPE). The primary effective constituent of Tripterygium wilfordii Hook. F., triptolide (TP), has demonstrated anti-inflammatory, antiproliferative, and antioxidant properties. The mechanics of the protective effect of triptolide against the oxidative damage in retinal pigment epithelial (RPE) were assessed in this study. METHODS ARPE-19 cells were pretreated with TP, and then exposed to sodium iodate (SI). First, cell viability was assessed using CCK-8. Subsequently, we measured indicators for cell oxidation including reactive oxygen species (ROS), catalase (CAT), superoxide dismutase (SOD), and malondialdehyde (MDA). Then, we used network pharmacological analysis and molecular docking to explore the signaling pathway of TP. Last, we used western blot, ELISA, and immunofluorescence assays to clarify the potential mechanistic pathways. RESULTS The network pharmacology data suggested that TP may inhibit AMD by regulating the PI3K/Akt signaling pathway. Experimental results showed that the potential mechanism is that it regulates the PI3K/Akt pathway and promotes Nrf2 phosphorylation and activation, thereby raising the level of antioxidant factors (HO-1, NQO1) and reducing the generation of ROS, which inhibit oxidative damage. CONCLUSION Our findings suggested that the effect of TP on SI-exposed RPE cells principally relies on the regulation of oxidative stress through the PI3K/Akt/Nrf2 signaling pathway.
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Affiliation(s)
- Fuying Pan
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Qinxin Shu
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Hao Xie
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Long Zhao
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Ping Wu
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Yong Du
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Jing Lu
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Yuxia He
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Xing Wang
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
| | - Hui Peng
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing 400016, China
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Wen B, Zhu H, Xu J, Xu L, Huang Y. NMDA Receptors Regulate Oxidative Damage in Keratinocytes during Complex Regional Pain Syndrome in HaCaT Cells and Male Rats. Antioxidants (Basel) 2024; 13:244. [PMID: 38397842 PMCID: PMC10886417 DOI: 10.3390/antiox13020244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 01/29/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
Complex regional pain syndrome (CRPS), a type of primary chronic pain, occurs following trauma or systemic disease and typically affects the limbs. CRPS-induced pain responses result in vascular, cutaneous, and autonomic nerve alterations, seriously impacting the quality of life of affected individuals. We previously identified the involvement of keratinocyte N-methyl-d-asparagic acid (NMDA) receptor subunit 2 B (NR2B) in both peripheral and central sensitizations in CRPS, although the mechanisms whereby NR2B functions following activation remain unclear. Using an in vivo male rat model of chronic post-ischemia pain (CPIP) and an in vitro oxygen-glucose deprivation/reoxygenation (OGD/R) cell model, we discovered that oxidative injury occurs in rat keratinocytes and HaCaT cells, resulting in reduced cell viability, mitochondrial damage, oxidative damage of nucleotides, and increased apoptosis. In HaCaT cells, OGD/R induced increases in intracellular reactive oxygen species levels and disrupted the balance between oxidation and antioxidation by regulating a series of antioxidant genes. The activation of NMDA receptors via NMDA exacerbated these changes, whereas the inhibition of the NR2B subunit alleviated them. Co-administration of ifenprodil (an NR2B antagonist) and NMDA (an NMDA receptor agonist) during the reoxygenation stage did not result in any significant alterations. Furthermore, intraplantar injection of ifenprodil effectively reversed the altered gene expression that was observed in male CPIP rats, thereby revealing the potential mechanisms underlying the therapeutic effects of peripheral ifenprodil administration in CRPS. Collectively, our findings indicate that keratinocytes undergo oxidative injury in CRPS, with NMDA receptors playing regulatory roles.
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Affiliation(s)
- Bei Wen
- Department of Anesthesiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China; (B.W.); (H.Z.)
| | - He Zhu
- Department of Anesthesiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China; (B.W.); (H.Z.)
| | - Jijun Xu
- Department of Pain Management, Cleveland Clinic, Cleveland, OH 44195, USA;
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Li Xu
- Department of Anesthesiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China; (B.W.); (H.Z.)
| | - Yuguang Huang
- Department of Anesthesiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China; (B.W.); (H.Z.)
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Zou J, Chen H, Fan X, Qiu Z, Zhang J, Sun J. Garcinol prevents oxidative stress-induced bone loss and dysfunction of BMSCs through NRF2-antioxidant signaling. Cell Death Discov 2024; 10:82. [PMID: 38365768 PMCID: PMC10873372 DOI: 10.1038/s41420-024-01855-1] [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: 07/21/2023] [Revised: 02/01/2024] [Accepted: 02/07/2024] [Indexed: 02/18/2024] Open
Abstract
There are multiple published data showing that excessive oxidative stress contributes to bone loss and even bone tissue damage, and it is also correlated with the pathophysiology of bone degenerative diseases, including osteoporosis (OP). Garcinol, a polyisoprenylated benzophenone derivative, has been recently established as an anti-oxidant agent. However, it remains elusive whether Garcinol protects bone marrow mesenchymal stem cells (BMSCs) and bone tissue from oxidative stress-induced damage. Here, we explored the potential effects of Garcinol supplementation in ameliorating oxidative stimulation-induced dysfunction of BMSCs and bone loss in osteoporotic mice. In this study, we verified that Garcinol exerted potent protective functions in the hydrogen peroxide (H2O2)-induced excessive oxidative stress and dysfunction of BMSCs. Besides, Garcinol was also identified to improve the reduced bone mass and abnormal lineage commitment of BMSCs in the condition of OP by suppressing the oxidative stimulation. Subsequent analysis revealed that nuclear factor erythroid 2-related factor 2 (NRF2) might be a key regulator in the sheltering effects of Garcinol on the H2O2-regulated oxidative stress, and the protective functions of Garcinol was mediated by NRF2-antioxidant signaling. Collectively, Garcinol prevented oxidative stress-related BMSC damage and bone loss through the NRF2-antioxidant signaling, which suggested the promising therapeutic values of Garcinol in the treatment of oxidative stress-related bone loss. Therefore, Garcinol might contribute to treating OP.
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Affiliation(s)
- Jilong Zou
- Department of Orthopaedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongjun Chen
- Department of Orthopaedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xinming Fan
- Department of Orthopaedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhenrui Qiu
- Department of Orthopaedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiale Zhang
- Department of Orthopaedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiabing Sun
- Department of Orthopaedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China.
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Lv H, Liu J, He Y, Xia S, Qiao C, Xu C. The Ameliorative Role of Lico A on Aflatoxin B 1-Triggered Hepatotoxicity Partially by Activating Nrf2 Signal Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:2741-2755. [PMID: 38284775 DOI: 10.1021/acs.jafc.3c05776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
Aflatoxin B1 (AFB1) is one of the most harmful and toxic mycotoxins in foods and feeds, posing a serious health risk to both humans and animals, especially its hepatotoxicity. Nuclear factor-erythroid 2-related factor 2 (Nrf2), an important nuclear transcription factor, is generally recognized as a potential target for phytochemicals to ameliorate liver injury. The current study sought to elucidate the molecular processes by which licochalcone A (Lico A), a compound derived from Xinjiang licorice Glycyrrhiza inflate, protects against AFB1 toxicity. In vivo, male wild-type (WT) and Nrf2 knockout (Nrf2-/-) C57BL/6 mice were orally administered AFB1 at 1.5 mg/kg body weight (BW) with or without Lico A at 5 mg/kg. In vitro, AML12 cells were utilized to evaluate the protective effect and mechanism of Lico A against the AFB1-induced hepatotoxicity. Our findings demonstrated that AFB1 caused severe hepatotoxicity, while Lico A treatment successfully relieved the toxicity. Meanwhile, Lico A effectively improved liver injury, inflammatory mediators, oxidative insults, apoptosis, liver fibrosis, and pyroptosis, which contributed to the inhibition of toll receptor 4 (TLR4)-NF-κB/MAPK and NOD-like receptors protein 3 (NLRP3)/caspase-1/GSDMD signaling pathway activation. Furthermore, Lico A was able to enhance the Nrf2 antioxidant signaling pathway. Intriguingly, Lico A still had a protective effect on AFB1-caused liver injury in mice via the inhibition of inflammation and pyroptosis, while apoptosis and liver fibrosis were blocked in the absence of Nrf2. To sum up, the present study first elucidated that Lico A ameliorated AFB1-induced hepatotoxic effects and its main mechanism involved the inhibitory effects on oxidative stress, apoptosis, liver fibrosis, inflammation, and pyroptosis, which might be partially dependent on the regulation of Nrf2. The work may enrich the role and mechanism of Lico A's resistance to liver injury caused by various factors, and its application is promising.
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Affiliation(s)
- Hongming Lv
- College of Veterinary Medicine, China Agricultural University, Yuan Ming Yuan West, Road No. 2, Haidian District, Beijing 100193, China
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Jiahe Liu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Yuxi He
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Shijie Xia
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Chunyu Qiao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Chuang Xu
- College of Veterinary Medicine, China Agricultural University, Yuan Ming Yuan West, Road No. 2, Haidian District, Beijing 100193, China
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
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Fang H, Shi X, Wan J, Zhong X. Role of sestrins in metabolic and aging-related diseases. Biogerontology 2024; 25:9-22. [PMID: 37516672 DOI: 10.1007/s10522-023-10053-y] [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: 04/29/2023] [Accepted: 07/14/2023] [Indexed: 07/31/2023]
Abstract
Sestrins are a type of highly conserved stress-inducing protein that has antioxidant and mTORC1 inhibitory functions. Metabolic dysfunction and aging are the main risk factors for development of human diseases, such as diabetes, neurodegenerative diseases, and cancer. Sestrins have important roles in regulating glucose and lipid metabolism, anti-tumor functions, and aging by inhibiting the reactive oxygen species and mechanistic target of rapamycin complex 1 pathways. In this review, the structure and biological functions of sestrins are summarized, and how sestrins are activated and contribute to regulation of the downstream signal pathways of metabolic and aging-related diseases are discussed in detail with the goal of providing new ideas and therapeutic targets for the treatment of related diseases.
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Affiliation(s)
- Huan Fang
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, China
| | - Xiaomin Shi
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, China
| | - Juyi Wan
- Department of Cardiovascular Surgery, The Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, China.
| | - Xiaolin Zhong
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, China.
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Liu Y, Li TQ, Bai J, Liu WL, Wang ZR, Feng C, Pu LL, Wang XX, Liu H. Isoquercitrin attenuates the osteoclast-mediated bone loss in rheumatoid arthritis via the Nrf2/ROS/NF-κB pathway. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166977. [PMID: 38065271 DOI: 10.1016/j.bbadis.2023.166977] [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: 09/02/2023] [Revised: 11/20/2023] [Accepted: 11/28/2023] [Indexed: 12/17/2023]
Abstract
An excess of osteoclastogenesis significantly contributes to the development of rheumatoid arthritis (RA). Activation of the nuclear factor erythroid-2 related factor 2 (Nrf2) and nuclear factor kappa B (NF-κB) ligand (RANKL)-induced reactive oxygen species (ROS)-to-NF-κB signaling cascade are important mechanisms regulating osteoclastogenesis; however, whether Nrf2 is involved in RANKL-induced NF-κB activation is controversial. Isoquercitrin, a natural flavonoid compound, has been shown to have Nrf2-dependent antioxidant effects inprevious studies. We sought to verify whether isoquercitrin could modulate RANKL-induced NF-κB activation by activating Nrf2, thereby affecting osteoclastogenesis. Tartrate-resistant acid phosphatase staining, F-actin ring staining and resorption pit assay suggested that isoquercitrin significantly inhibited osteoclastogenesis and osteolytic function. Mitosox staining showed that RANKL-induced ROS generation was significantly inhibited by isoquercitrin from day 3 of the osteoclast differentiation cycle. Quantitative real-time PCR, Western blot, and immunofluorescence indicated that isoquercitrin activated the Nrf2 signaling pathway and inhibited NF-κB expression. And when we used the Nrf2-specific inhibitor ML385, the inhibition of NF-κB by isoquercitrin disappeared. Moreover, we found that Nrf2 is not uninvolved in RANKL-induced NF-κB activation and may be related to the timing of ROS regulation. When we limited isoquercitrin administration to 2 days, Nrf2 remained activated and the inhibition of NF-κB disappeared. In vivo experiments suggested that isoquercitrin attenuated RA modeling-induced bone loss. Overall, isoquercitrin-activated Nrf2 blocked the RANKL-induced ROS-to-NF-κB signaling cascade response, thereby inhibiting osteoclastogenesis and bone loss. These findings provide new ideas for the treatment of RA.
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Affiliation(s)
- Yan Liu
- Lanzhou University, Lanzhou 730000, China; Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Tian-Qi Li
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Jin Bai
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Wei-Li Liu
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Zi-Rou Wang
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Chong Feng
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Ling-Ling Pu
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China.
| | - Xin-Xing Wang
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China.
| | - Hui Liu
- Lanzhou University, Lanzhou 730000, China.
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46
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Filice M, Caferro A, Gattuso A, Sperone E, Agnisola C, Faggio C, Cerra MC, Imbrogno S. Effects of environmental hypoxia on the goldfish skeletal muscle: Focus on oxidative status and mitochondrial dynamics. JOURNAL OF CONTAMINANT HYDROLOGY 2024; 261:104299. [PMID: 38237486 DOI: 10.1016/j.jconhyd.2024.104299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/02/2024] [Accepted: 01/11/2024] [Indexed: 02/13/2024]
Abstract
The skeletal muscle is a highly plastic tissue. Its ability to respond to external stimuli and challenges allows it to face the functional needs of the organism. In the goldfish Carassius auratus, a model of hypoxia resistance, exposure to reduced oxygen is accompanied by an improvement of the swimming performance, relying on a sustained contractile behavior of the skeletal muscle. At the moment, limited information is available on the mechanisms underlying these responses. We here evaluated the effects of short- (4 days) and long- (20 days) term exposure to moderate water hypoxia on the goldfish white skeletal muscle, focusing on oxidative status and mitochondrial dynamics. No differences in lipid peroxidation, measured as 2-thiobarbituric acid-reacting substances (TBARS), and oxidatively modified proteins (OMP) were detected in animals exposed to hypoxia with respect to their normoxic counterparts. Exposure to short-term hypoxia was characterized by an enhanced SOD activity and expression, paralleled by increased levels of Nrf2, a regulator of the antioxidant cell response, and HSP70, a chaperone also acting as a redox sensor. The expression of markers of mitochondrial biogenesis (TFAM) and abundance (VDAC) and of the mtDNA/nDNA ratio was similar under normoxia and under both short- and long-term hypoxia, thus excluding a rearrangement of the mitochondrial apparatus. Only an increase of PGC1α (a transcription factor involved in mitochondrial dynamics) was detected after 20 days of hypoxia. Our results revealed novel aspects of the molecular mechanisms that in the goldfish skeletal muscle may sustain the response to hypoxia, thus contributing to adequate tissue function to organism requirements.
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Affiliation(s)
- Mariacristina Filice
- Dept. of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
| | - Alessia Caferro
- Dept. of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
| | - Alfonsina Gattuso
- Dept. of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy.
| | - Emilio Sperone
- Dept. of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
| | - Claudio Agnisola
- Dept. of Biological Sciences, University of Naples Federico II, Napoli, Italy
| | - Caterina Faggio
- Dept. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy; Dept. of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Naples, Italy.
| | - Maria Carmela Cerra
- Dept. of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
| | - Sandra Imbrogno
- Dept. of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
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Dey KK, Mondal P, Chattopadhyay A. Environmentally relevant lead alters nuclear integrity in erythrocytes and generates oxidative stress in liver of Anabas testudineus: Involvement of Nrf2-Keap1 regulation and expression of biomarker genes. J Appl Toxicol 2024; 44:260-271. [PMID: 37655692 DOI: 10.1002/jat.4537] [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: 05/07/2023] [Revised: 08/07/2023] [Accepted: 08/16/2023] [Indexed: 09/02/2023]
Abstract
Genotoxic and hepatotoxic effects of lead (Pb) on a freshwater fish, climbing perch (Anabas testudineus) were studied at an environmentally relevant concentration (43.3 ppm). The genotoxic potential of Pb was confirmed by micronucleus study, with increased frequencies of erythrocytic nuclear alterations like lobed, blebbed, notched, fragmented, and micronuclei were observed in erythrocytes in treated groups as compared to control. Inorganic Pb induces oxidative stress which is a consequence of elevated level of Reactive Oxygen Species. Hepatotoxicity was assessed both by the oxidative stress and cellular responses that emerged due to the toxic assault of Pb in the liver, the most important detoxifying organ. Upregulation of xenobiotic metabolizing enzyme like catalase was evident after 15, 30, and 90 days of exposure, and a profound effect was observed on 30th days. The level of lipid peroxidation and reduced glutathione was increased after Pb exposure. Histoarchitectural damages of liver were distinctly evident in treated fish. Western blot analysis confirmed the expressional alterations of stress-responsive marker proteins like Nrf2, Keap1, Hsp70, and Nqo1. Pb exposure resulted in increased expression of Hsp70, Nrf2, and Nqo1, whereas Keap1 was downregulated, suggesting the involvement of Nrf2-Keap1 regulation as a cytoprotective mechanism against Pb toxicity.
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Xu Y, Wu C, Jin J, Tang W, Chen Y, Chang AK, Ying X. Transcriptome Analysis and Identification of Cadmium-Induced Oxidative Stress Response Genes in Different Meretrix meretrix Developmental Stages. Animals (Basel) 2024; 14:352. [PMID: 38275810 PMCID: PMC10812554 DOI: 10.3390/ani14020352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024] Open
Abstract
Cadmium (Cd) is one of the major pollutants in the aquatic environment, and it can easily accumulate in aquatic animals and result in toxic effects by changing the metabolism of the body, causing a serious impact on the immune system, reproductive system, and the development of offspring. The clam Meretrix meretrix is one of the commercially important species that is cultivated in large-scale aquaculture in China. To elucidate the underlying molecular mechanisms of Cd2+ in the developmental processes, fertilized eggs and larvae of M. meretrix at different developmental stages were exposed to Cd2+ (27.2 mg L-1 in natural seawater) or just natural seawater without Cd2+ (control), and high-throughput transcriptome sequencing and immunohistochemistry techniques were used to analyze the toxic effects of Cd on larvae at different early developmental stages. The results revealed 31,914 genes were differentially expressed in the different stages of M. meretrix development upon treatment with Cd2+. Ten of these genes were differentially expressed in all stages of development examined, but they comprised only six unigenes (CCO, Ndh, HPX, A2M, STF, and pro-C3), all of which were related to the oxidative stress response. Under Cd exposure, the expression levels of CCO and Ndh were significantly upregulated in D-shaped and pediveliger larvae, while pro-C3 expression was significantly upregulated in the fertilized egg, D-shaped larva, and pediveliger. Moreover, HPX, A2M, and STF expression levels in the fertilized egg and pediveliger larvae were also significantly upregulated. In contrast, CCO, Ndh, HPX, A2M, STF, and pro-C3 expression levels in the postlarva were all downregulated under Cd exposure. Besides the genes with changes in expression identified by the transcriptome, the expression of two other oxidative stress-related genes (MT and Nfr2) was also found to change significantly in the different developmental stages of M. meretrix upon Cd exposure, confirming their roles in combating oxidative stress. Overall, the findings of this study indicated that Cd would interfere with cellular respiration, ion transport, and immune response through inducing oxidative stress, and changes in the expression of oxidative stress-related genes might be an important step for M. meretrix to deal with the adverse effects of Cd at different stages of its development.
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Affiliation(s)
- Yiyuan Xu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; (Y.X.)
| | - Chenghui Wu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; (Y.X.)
| | - Jianyu Jin
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; (Y.X.)
| | - Wenhan Tang
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; (Y.X.)
| | - Yuting Chen
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; (Y.X.)
| | - Alan Kueichieh Chang
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; (Y.X.)
| | - Xueping Ying
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; (Y.X.)
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Wenzhou University, Wenzhou 325035, China
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Li M, Wang Y, Liu R, Shi M, Zhao Y, Zeng K, Fu R, Liu P. Fluoride exposure confers NRF2 activation in hepatocyte through both canonical and non-canonical signaling pathways. ENVIRONMENTAL TOXICOLOGY 2024; 39:252-263. [PMID: 37694959 DOI: 10.1002/tox.23954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 07/31/2023] [Accepted: 08/21/2023] [Indexed: 09/12/2023]
Abstract
Due to the high abundance in the Earth's crust and industrial application, fluoride is widely present in our living environment. However, excessive fluoride exposure causes toxicity in different organs. As the most important detoxification and excretion organ, liver is more easily involved in fluoride toxicity than other organs, and oxidative stress is considered as the key mechanism related with fluoride hepatotoxicity. In this study, we mainly investigated the role of nuclear factor erythroid-derived 2-like 2 (NRF2, a core transcription factor in oxidative stress) in fluoride exposure-induced hepatotoxicity as well as the related mechanism. Herein, liver cells (BNL CL.2) were treated with fluoride in different concentrations. The hepatotoxicity and NRF2 signaling pathway were analyzed respectively. Our results indicated that excessive fluoride (over 1 mM) resulted in obvious toxicity in hepatocyte and activated NRF2 and NRF2 target genes. The increased ROS generation after fluoride exposure suppressed KEAP1-induced NRF2 ubiquitylation and degradation. Meanwhile, fluoride exposure also led to blockage of autophagic flux and upregulation of p62, which contributed to activation of NRF2 via competitive binding with KEAP1. Both pharmaceutical activation and genetic activation of NRF2 accelerated fluoride exposure-induced hepatotoxicity. Thus, the upregulation of NRF2 in hepatocyte after fluoride exposure can be regarded as a cellular self-defense, and NRF2-KEAP1 system could be a novel molecular target against fluoride exposure-induced hepatotoxicity.
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Affiliation(s)
- Miaomiao Li
- Department of Regenerative Medicine, School of Pharmaceutical Science, Jilin University, Changchun, China
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yi Wang
- Department of Regenerative Medicine, School of Pharmaceutical Science, Jilin University, Changchun, China
| | - Rongrong Liu
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- International Joint Research Center on Cell Stress and Disease Diagnosis and Therapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Mengjiao Shi
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- International Joint Research Center on Cell Stress and Disease Diagnosis and Therapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yishu Zhao
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Kaixuan Zeng
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- International Joint Research Center on Cell Stress and Disease Diagnosis and Therapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Rongguo Fu
- Department of Nephrology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Pengfei Liu
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- International Joint Research Center on Cell Stress and Disease Diagnosis and Therapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, China
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50
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Liu P, Cao B, Zhou Y, Zhang H, Wang C. Human umbilical cord-derived mesenchymal stem cells alleviate oxidative stress-induced islet impairment via the Nrf2/HO-1 axis. J Mol Cell Biol 2023; 15:mjad035. [PMID: 37245063 PMCID: PMC10681279 DOI: 10.1093/jmcb/mjad035] [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: 05/11/2022] [Revised: 01/10/2023] [Accepted: 02/14/2023] [Indexed: 05/29/2023] Open
Abstract
Hyperglycaemia-induced oxidative stress may disrupt insulin secretion and β-cell survival in diabetes mellitus by overproducing reactive oxygen species. Human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) exhibit antioxidant properties. However, the mechanisms by which hUC-MSCs protect β-cells from high glucose-induced oxidative stress remain underexplored. In this study, we showed that intravenously injected hUC-MSCs engrafted into the injured pancreas and promoted pancreatic β-cell function in a mouse model of type 1 diabetes mellitus. The in vitro study revealed that hUC-MSCs attenuated high glucose-induced oxidative stress and prevented β-cell impairment via the Nrf2/HO-1 signalling pathway. Nrf2 knockdown partially blocked the anti-oxidative effect of hUC-MSCs, resulting in β-cell decompensation in a high-glucose environment. Overall, these findings provide novel insights into how hUC-MSCs protect β-cells from high glucose-induced oxidative stress.
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Affiliation(s)
- Peng Liu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Baige Cao
- Department of Endocrinology & Metabolism, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Yang Zhou
- Translational Medical Center for Stem Cell Therapy, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Huina Zhang
- Stem Cell Translational Research Center, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Congrong Wang
- Department of Endocrinology & Metabolism, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
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