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Gao J, Deng Q, Yu J, Wang C, Wei W. Role of renal tubular epithelial cells and macrophages in cisplatin-induced acute renal injury. Life Sci 2024; 339:122450. [PMID: 38262575 DOI: 10.1016/j.lfs.2024.122450] [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: 08/01/2023] [Revised: 12/30/2023] [Accepted: 01/17/2024] [Indexed: 01/25/2024]
Abstract
Acute kidney injury (AKI) is a clinical syndrome characterized by a sudden and continuous decline in renal function. The drug cisplatin is commonly used as chemotherapy for solid tumors, and cisplatin-induced acute kidney injury (CI-AKI), which is characterized by acute tubular necrosis and inflammation, frequently occurs in tumor patients. Renal tubular epithelial cells (RTECs) are severely damaged early in this process and play an important role in renal tubular injury and the recruitment of immune cells. Macrophages are the most common infiltrating immune cells in the kidney and have a significant impact on CI-AKI and subsequent repair. This article reviews the latest research progress on the effects of RTECs and macrophages on CI-AKI and their interactions in AKI to provide a direction for identifying therapeutic targets for treating AKI.
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Affiliation(s)
- Jinzhang Gao
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei, China; Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei, China; Anhui Collaborative Innovation Centre of Anti-Inflammatory and Immune Medicine, Hefei, China; Center of Rheumatoid Arthritis of Anhui Medical University, Hefei, China
| | - Qinxiang Deng
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei, China; Third Hospital Affiliated to Anhui Medical University, Hefei, China
| | - Jun Yu
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei, China; Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei, China; Anhui Collaborative Innovation Centre of Anti-Inflammatory and Immune Medicine, Hefei, China; Center of Rheumatoid Arthritis of Anhui Medical University, Hefei, China
| | - Chun Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei, China; Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei, China; Anhui Collaborative Innovation Centre of Anti-Inflammatory and Immune Medicine, Hefei, China; Center of Rheumatoid Arthritis of Anhui Medical University, Hefei, China.
| | - Wei Wei
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei, China; Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei, China; Anhui Collaborative Innovation Centre of Anti-Inflammatory and Immune Medicine, Hefei, China; Center of Rheumatoid Arthritis of Anhui Medical University, Hefei, China.
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2
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Rousar T, Handl J, Capek J, Nyvltova P, Rousarova E, Kubat M, Smid L, Vanova J, Malinak D, Musilek K, Cesla P. Cysteine conjugates of acetaminophen and p-aminophenol are potent inducers of cellular impairment in human proximal tubular kidney HK-2 cells. Arch Toxicol 2023; 97:2943-2954. [PMID: 37639014 PMCID: PMC10504157 DOI: 10.1007/s00204-023-03569-2] [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: 05/29/2023] [Accepted: 08/02/2023] [Indexed: 08/29/2023]
Abstract
Acetaminophen (APAP) belong among the most used analgesics and antipyretics. It is structurally derived from p-aminophenol (PAP), a potent inducer of kidney toxicity. Both compounds can be metabolized to oxidation products and conjugated with glutathione. The glutathione-conjugates can be cleaved to provide cysteine conjugates considered as generally nontoxic. The aim of the present report was to synthesize and to purify both APAP- and PAP-cysteine conjugates and, as the first study at all, to evaluate their biological effects in human kidney HK-2 cells in comparison to parent compounds. HK-2 cells were treated with tested compounds (0-1000 µM) for up to 24 h. Cell viability, glutathione levels, ROS production and mitochondrial function were determined. After 24 h, we found that both APAP- and PAP-cysteine conjugates (1 mM) were capable to induce harmful cellular damage observed as a decrease of glutathione levels to 10% and 0%, respectively, compared to control cells. In addition, we detected the disappearance of mitochondrial membrane potential in these cells. In the case of PAP-cysteine, the extent of cellular impairment was comparable to that induced by PAP at similar doses. On the other hand, 1 mM APAP-cysteine induced even larger damage of HK-2 cells compared to 1 mM APAP after 6 or 24 h. We conclude that cysteine conjugates with aminophenol are potent inducers of oxidative stress causing significant injury in kidney cells. Thus, the harmful effects cysteine-aminophenolic conjugates ought to be considered in the description of APAP or PAP toxicity.
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Affiliation(s)
- Tomas Rousar
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic.
| | - Jiri Handl
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Jan Capek
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Pavlina Nyvltova
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Erika Rousarova
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Miroslav Kubat
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Lenka Smid
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Jana Vanova
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - David Malinak
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic
| | - Kamil Musilek
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic
| | - Petr Cesla
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
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Bernardo-Bermejo S, Sánchez-López E, Castro-Puyana M, Fernández-Martínez AB, Lucio-Cazaña FJ, Marina ML. Exploring the Metabolic Differences between Cisplatin- and UV Light-Induced Apoptotic Bodies in HK-2 Cells by an Untargeted Metabolomics Approach. Int J Mol Sci 2023; 24:ijms24087237. [PMID: 37108400 PMCID: PMC10138416 DOI: 10.3390/ijms24087237] [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: 01/26/2023] [Revised: 03/28/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Among the extracellular vesicles, apoptotic bodies (ABs) are only formed during the apoptosis and perform a relevant role in the pathogenesis of different diseases. Recently, it has been demonstrated that ABs from human renal proximal tubular HK-2 cells, either induced by cisplatin or by UV light, can lead to further apoptotic death in naïve HK-2 cells. Thus, the aim of this work was to carry out a non-targeted metabolomic approach to study if the apoptotic stimulus (cisplatin or UV light) affects in a different way the metabolites involved in the propagation of apoptosis. Both ABs and their extracellular fluid were analyzed using a reverse-phase liquid chromatography-mass spectrometry setup. Principal components analysis showed a tight clustering of each experimental group and partial least square discriminant analysis was used to assess the metabolic differences existing between these groups. Considering the variable importance in the projection values, molecular features were selected and some of them could be identified either unequivocally or tentatively. The resulting pathways indicated that there are significant, stimulus-specific differences in metabolites abundancies that may propagate apoptosis to healthy proximal tubular cells; thus, we hypothesize that the share in apoptosis of these metabolites might vary depending on the apoptotic stimulus.
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Affiliation(s)
- Samuel Bernardo-Bermejo
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km.33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - Elena Sánchez-López
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - María Castro-Puyana
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km.33.600, 28871 Alcalá de Henares (Madrid), Spain
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - Ana B Fernández-Martínez
- Universidad Autónoma de Madrid, Departamento de Biología, Facultad de Ciencias, Campus de Cantoblanco, Calle Darwin, 2, 28049 Madrid, Spain
| | - Francisco Javier Lucio-Cazaña
- Universidad de Alcalá, Departamento de Biología de Sistemas, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - María Luisa Marina
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km.33.600, 28871 Alcalá de Henares (Madrid), Spain
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
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4
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Miao S, Zhang Q, Ding W, Hou B, Su Z, Li M, Yang L, Zhang J, Chang W, Wang J. Platelet Internalization Mediates Ferroptosis in Myocardial Infarction. Arterioscler Thromb Vasc Biol 2023; 43:218-230. [PMID: 36353991 DOI: 10.1161/atvbaha.122.318161] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Myocardial cell death is the hallmark of myocardial infarction. In the process of myocardial injury, platelets contribute to the pathogenesis by triggering intense inflammatory responses. Yet, it is still unclear if platelets regulate cardiomyocyte death directly, thereby exacerbating myocardial injury in myocardial infarction. METHODS We describe a mechanism underlying the correlative association between platelets accumulation and myocardial cell death by using myocardial infarction mouse model and patient specimens. RESULTS Myocardial infarction induces platelets internalization, resulting in the release of miR-223-3p, a platelet-enriched miRNA. By targeting the ACSL3, miR-223-3p delivered by internalized platelets cause the reduction of stearic acid-phosphatidylcholine in cardiomyocytes. The presence of stearic acid-phosphatidylcholine protects cardiomyocytes against ferroptosis. CONCLUSIONS Our work reveals a novel mechanism of platelet-mediated myocardial injury, highlighting antiplatelet therapies could potentially represent a multimechanism treatment of myocardial infarction, and implying ferroptosis being considered as novel target for therapeutics.
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Affiliation(s)
- Shuo Miao
- School of Basic Medicine, Qingdao University, China (S.M., M.L., L.Y., J.Z., J.W.)
| | - Qingsong Zhang
- Affiliated Hospital of Qingdao University, China (Q.Z., W.D., B.H., Z.S.)
| | - Wei Ding
- Affiliated Hospital of Qingdao University, China (Q.Z., W.D., B.H., Z.S.)
| | - Bo Hou
- Affiliated Hospital of Qingdao University, China (Q.Z., W.D., B.H., Z.S.)
| | - Zhe Su
- Affiliated Hospital of Qingdao University, China (Q.Z., W.D., B.H., Z.S.)
| | - Mengyang Li
- School of Basic Medicine, Qingdao University, China (S.M., M.L., L.Y., J.Z., J.W.)
| | - Lanting Yang
- School of Basic Medicine, Qingdao University, China (S.M., M.L., L.Y., J.Z., J.W.)
| | - Jun Zhang
- School of Basic Medicine, Qingdao University, China (S.M., M.L., L.Y., J.Z., J.W.)
| | - Wenguang Chang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, China (W.C.)
| | - Jianxun Wang
- School of Basic Medicine, Qingdao University, China (S.M., M.L., L.Y., J.Z., J.W.)
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Prostaglandin transporter PGT as a new pharmacological target in the prevention of inflammatory cytokine-induced injury in renal proximal tubular HK-2 cells. Life Sci 2023; 313:121260. [PMID: 36473541 DOI: 10.1016/j.lfs.2022.121260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/20/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
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Yu W, Zong S, Zhou P, Wei J, Wang E, Ming R, Xiao H. Cochlear Marginal Cell Pyroptosis Is Induced by Cisplatin via NLRP3 Inflammasome Activation. Front Immunol 2022; 13:823439. [PMID: 35529876 PMCID: PMC9067579 DOI: 10.3389/fimmu.2022.823439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 03/16/2022] [Indexed: 11/13/2022] Open
Abstract
Better understanding the mechanism of cisplatin-induced ototoxicity is of great significance for clinical prevention and treatment of cisplatin-related hearing loss. However, the mechanism of cisplatin-induced inflammatory response in cochlear stria vascularis and the mechanism of marginal cell (MC) damage have not been fully clarified. In this study, a stable model of cisplatin-induced MC damage was established in vitro, and the results of PCR and Western blotting showed increased expressions of NLRP3, Caspase-1, IL-1β, and GSDMD in MCs. Incomplete cell membranes including many small pores appearing on the membrane were also observed under transmission electron microscopy and scanning electron microscopy. In addition, downregulation of NLRP3 by small interfering RNA can alleviate cisplatin-induced MC pyroptosis, and reducing the expression level of TXNIP possesses the inhibition effect on NLRP3 inflammasome activation and its mediated pyroptosis. Taken together, our results suggest that NLRP3 inflammasome activation may mediate cisplatin-induced MC pyroptosis in cochlear stria vascularis, and TXNIP is a possible upstream regulator, which may be a promising therapeutic target for alleviating cisplatin-induced hearing loss.
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Affiliation(s)
- Wenting Yu
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shimin Zong
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Peng Zhou
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahui Wei
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Enhao Wang
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ruijie Ming
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongjun Xiao
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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7
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Wang Y, Khan HM, Zhou C, Liao X, Tang P, Song P, Gui X, Li H, Chen Z, Liu S, Cen Y, Zhang Z, Li Z. Apoptotic cells derived micro/nano-sized extracellular vesicles in tissue regeneration. NANOTECHNOLOGY REVIEWS 2022. [DOI: 10.1515/ntrev-2022-0049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Abstract
Extracellular vesicles (EVs), products released by cells in multiple biological activities, are currently widely accepted as functional particles and intercellular communicators. From the orthodox perspective, EVs derived from apoptotic cells (apoEVs) are responsible for cell debris clearance, while recent studies have demonstrated that apoEVs participate in tissue regeneration. However, the underlying mechanisms and particular functions in tissue regeneration promotion of apoEVs remain ambiguous. Some molecules, such as caspases, active during apoptosis also function in tissue regeneration triggered by apoptosis,. ApoEVs are generated in the process of apoptosis, carrying cell contents to manifest biological effects, and possessing biomarkers to target phagocytes. The regenerative effect of apoEVs might be due to their abilities to facilitate cell proliferation and regulate inflammation. Such regenerative effect has been observed in various tissues, including skin, bone, cardiovascular system, and kidney. Engineered apoEVs are produced to amplify the biological benefits of apoEVs, rendering them optional for drug delivery. Meanwhile, challenges exist in thorough mechanistic exploration and standardization of production. In this review, we discussed the link between apoptosis and regeneration, current comprehension of the origination and investigation strategies of apoEVs, and mechanisms in tissue regeneration by apoEVs and their applications. Challenges and prospects are also discussed here.
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Affiliation(s)
- Yixi Wang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
| | - Haider Mohammed Khan
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University , Chengdu Sichuan, 610041 , China
| | - Changchun Zhou
- College of Biomedical Engineering, Sichuan University , Chengdu 610064 , China
- National Engineering Research Center for Biomaterials, Sichuan University , Chengdu 610064 , China
| | - Xiaoxia Liao
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
| | - Pei Tang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
| | - Ping Song
- College of Biomedical Engineering, Sichuan University , Chengdu 610064 , China
- National Engineering Research Center for Biomaterials, Sichuan University , Chengdu 610064 , China
| | - Xingyu Gui
- College of Biomedical Engineering, Sichuan University , Chengdu 610064 , China
- National Engineering Research Center for Biomaterials, Sichuan University , Chengdu 610064 , China
| | - Hairui Li
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
| | - Zhixing Chen
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
| | - Shiyu Liu
- State Key Laboratory of Military Stomatology & National Clinical Research, Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Center for Tissue Engineering, Fourth Military Medical University , Xi’an , Shaanxi, 710032 , China
| | - Ying Cen
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
| | - Zhenyu Zhang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
| | - Zhengyong Li
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , 610041 , Chengdu , China
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8
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Ghorbani F, Movassaghpour AA, Talebi M, Yousefi M, Abbaszadeh H. Renoprotective effects of extracellular vesicles: A systematic review. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2021.101491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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9
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Apoptotic cell-derived micro/nanosized extracellular vesicles in tissue regeneration. NANOTECHNOLOGY REVIEWS 2022. [DOI: 10.1515/ntrev-2022-0052] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Abstract
Extracellular vesicles (EVs), products released by cells in multiple biological activities, are currently widely accepted as functional particles and intercellular communicators. From the orthodox perspective, EVs derived from apoptotic cells (apoEVs) are responsible for cell debris clearance, while recent studies have demonstrated that apoEVs participate in tissue regeneration. However, the underlying mechanisms and particular functions in tissue regeneration promotion of apoEVs remain ambiguous. Some molecules active during apoptosis also function in tissue regeneration triggered by apoptosis, such as caspases. ApoEVs are generated in the process of apoptosis, carrying cell contents to manifest biological effects and possess biomarkers to target phagocytes. The regenerative effect of apoEVs might be due to their abilities to facilitate cell proliferation and regulate inflammation. Such regenerative effect has been observed in various tissues, including skin, bone, cardiovascular system, and kidneys. Engineered apoEVs are produced to amplify the biological benefits of apoEVs, rendering them optional for drug delivery. Meanwhile, challenges exist in thorough mechanistic exploration and standardization of production. In this review, we discussed the link between apoptosis and regeneration, current comprehension of the origination and investigation strategies of apoEVs, and mechanisms in tissue regeneration of apoEVs and their applications. Challenges and prospects are also addressed here.
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10
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Nephroprotective Role of Chrysophanol in Hypoxia/Reoxygenation-Induced Renal Cell Damage via Apoptosis, ER Stress, and Ferroptosis. Biomedicines 2021; 9:biomedicines9091283. [PMID: 34572468 PMCID: PMC8467645 DOI: 10.3390/biomedicines9091283] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/11/2021] [Accepted: 09/18/2021] [Indexed: 12/16/2022] Open
Abstract
Acute kidney injury (AKI) is caused by hypoxia-reoxygenation (H/R), which is a kidney injury produced by a variety of causes, resulting in the remaining portion of the kidney function being unable to maintain the balance for performing the tasks of waste excretion metabolism, and electrolyte and acid-base balance. Many studies have reported the use of Chinese medicine to slow down the progression and alleviate the complications of chronic renal failure. Chrysophanol is a component of Rheum officinale Baill, a traditional Chinese medicine that has been clinically used to treat renal disease. We aimed to study the nephroprotective effect of chrysophanol on hypoxia/ reoxygenation (H/R)-induced cell damage. The results showed that chrysophanol prevented H/R-induced apoptosis via downregulation of cleaved Caspase-3, p-JNK, and Bax but upregulation of Bcl-2 expression. In contrast, chrysophanol attenuated H/R-induced endoplasmic reticulum (ER) stress via the downregulation of CHOP and p-IRE1α expression. Our data demonstrated that chrysophanol alleviated H/R-induced lipid ROS accumulation and ferroptosis. Therefore, we propose that chrysophanol may have a protective effect against AKI by regulating apoptosis, ER stress, and ferroptosis.
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11
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Intracellular prostaglandin E2 contributes to hypoxia-induced proximal tubular cell death. Sci Rep 2021; 11:7047. [PMID: 33782420 PMCID: PMC8007803 DOI: 10.1038/s41598-021-86219-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 02/22/2021] [Indexed: 12/23/2022] Open
Abstract
Proximal tubular cells (PTC) are particularly vulnerable to hypoxia-induced apoptosis, a relevant factor for kidney disease. We hypothesized here that PTC death under hypoxia is mediated by cyclo-oxygenase (COX-2)-dependent production of prostaglandin E2 (PGE2), which was confirmed in human proximal tubular HK-2 cells because hypoxia (1% O2)-induced apoptosis (i) was prevented by a COX-2 inhibitor and by antagonists of prostaglandin (EP) receptors and (ii) was associated to an increase in intracellular PGE2 (iPGE2) due to hypoxia-inducible factor-1α-dependent transcriptional up-regulation of COX-2. Apoptosis was also prevented by inhibitors of the prostaglandin uptake transporter PGT, which indicated that iPGE2 contributes to hypoxia-induced apoptosis (on the contrary, hypoxia/reoxygenation-induced PTC death was exclusively due to extracellular PGE2). Thus, iPGE2 is a new actor in the pathogenesis of hypoxia-induced tubular injury and PGT might be a new therapeutic target for the prevention of hypoxia-dependent lesions in renal diseases.
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12
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Handl J, Malinak D, Capek J, Andrys R, Rousarova E, Hauschke M, Bruckova L, Cesla P, Rousar T, Musilek K. Effects of Charged Oxime Reactivators on the HK-2 Cell Line in Renal Toxicity Screening. Chem Res Toxicol 2021; 34:699-703. [PMID: 33566584 DOI: 10.1021/acs.chemrestox.0c00489] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Oxime cholinesterase reactivators (oximes) are used to counteract organophosphate intoxication. Charged oximes are administered via intramuscular or intravenous injection when the majority of dose is unmetabolized and is excreted as urine. In this study, the effects of selected double charged oximes were determined in the HK-2 cell line as a model for renal toxicity screening. Some effects on dehydrogenase activity were found for obidoxime, asoxime (syn. HI-6), K027, and K203. The effects of K868 and K869 were found to be unreliable due to rapid degradation of both chlorinated oximes in the assay medium, resulting for K868 in an isoxazole-pyridinium product.
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Affiliation(s)
- Jiri Handl
- Faculty of Chemical Technology, Department of Biological and Biochemical Sciences, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - David Malinak
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03 Hradec Kralove, Czech Republic
| | - Jan Capek
- Faculty of Chemical Technology, Department of Biological and Biochemical Sciences, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - Rudolf Andrys
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03 Hradec Kralove, Czech Republic
| | - Erika Rousarova
- Faculty of Chemical Technology, Department of Biological and Biochemical Sciences, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - Martina Hauschke
- Faculty of Chemical Technology, Department of Biological and Biochemical Sciences, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - Lenka Bruckova
- Faculty of Chemical Technology, Department of Biological and Biochemical Sciences, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - Petr Cesla
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - Tomas Rousar
- Faculty of Chemical Technology, Department of Biological and Biochemical Sciences, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
| | - Kamil Musilek
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03 Hradec Kralove, Czech Republic
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13
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Handl J, Čapek J, Majtnerová P, Báčová J, Roušar T. The effect of repeated passaging on the susceptibility of human proximal tubular HK-2 cells to toxic compounds. Physiol Res 2020; 69:731-738. [PMID: 32672047 DOI: 10.33549/physiolres.934491] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The human proximal tubular HK-2 cell line is an immortalized cell line commonly used for studying proximal tubular toxicity. Even as their use is presently increasing, there unfortunately are no studies focused on functional changes in HK-2 cells associated with passaging. The aim of the present study, therefore, was to evaluate the functional stability of HK-2 cells during 13 weeks of continuous passaging after 6 and 24 h of treatment with model nephrotoxic compounds (i.e., acetaminophen, cisplatin, CdCl(2)). Short tandem repeat profile, the doubling time, cell diameter, glutathione concentration, and intracellular dehydrogenase activity were measured in HK-2 cells at each tested passage. The results showed that HK-2 cells exhibit stable morphology, cell size, and cell renewal during passaging. Mean doubling time was determined to be 54 h. On the other hand, we observed a significant effect of passaging on the susceptibility of HK-2 cells to toxic compounds. The largest difference in results was found in both cadmium and cisplatin treated cells across passages. We conclude that the outcomes of scientific studies on HK-2 cells can be affected by the number of passages even after medium-term cultivation and passaging for 13 weeks.
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Affiliation(s)
- J Handl
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic.
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