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Xiang H, Li Z, Li Y, Zheng J, Dou M, Xue W, Wu X. Dual-specificity phosphatase 26 protects against kidney injury caused by ischaemia-reperfusion through restraint of TAK1-JNK/p38-mediated apoptosis and inflammation of renal tubular epithelial cells. Toxicol Appl Pharmacol 2024; 487:116954. [PMID: 38705402 DOI: 10.1016/j.taap.2024.116954] [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: 01/03/2024] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Dual-specificity phosphatase 26 (DUSP26) acts as a pivotal player in the transduction of signalling cascades with its dephosphorylating activity. Currently, DUSP26 attracts extensive attention due to its particular function in several pathological conditions. However, whether DUSP26 plays a role in kidney ischaemia-reperfusion (IR) injury is unknown. Aims of the current work were to explore the relevance of DUSP26 in kidney IR damage. DUSP26 levels were found to be decreased in renal tubular epithelial cells following hypoxia-reoxygenation (HR) and kidney samples subjected to IR treatments. DUSP26-overexpressed renal tubular epithelial cells exhibited protection against HR-caused apoptosis and inflammation, while DUSP26-depleted renal tubular epithelial cells were more sensitive to HR damage. Upregulation of DUSP26 in rat kidneys by infecting adenovirus expressing DUSP26 markedly ameliorated kidney injury caused by IR, while also effectively reducing apoptosis and inflammation. The mechanistic studies showed that the activation of transforming growth factor-β-activated kinase 1 (TAK1)-JNK/p38 MAPK, contributing to kidney injury under HR or IR conditions, was restrained by increasing DUSP26 expression. Pharmacological restraint of TAK1 markedly diminished DUSP26-depletion-exacebated effects on JNK/p38 activation and HR injury of renal tubular cells. The work reported a renal-protective function of DUSP26, which protects against IR-related kidney damage via the intervention effects on the TAK1-JNK/p38 axis. The findings laid a foundation for understanding the molecular pathogenesis of kidney IR injury and provide a prospective target for treating this condition.
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Affiliation(s)
- Heli Xiang
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Zepeng Li
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Yang Li
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Jin Zheng
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Meng Dou
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Wujun Xue
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Xiaoyan Wu
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
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Jian J, Wang D, Xiong Y, Wang J, Zheng Q, Jiang Z, Zhong J, Yang S, Wang L. Puerarin alleviated oxidative stress and ferroptosis during renal fibrosis induced by ischemia/reperfusion injury via TLR4/Nox4 pathway in rats. Acta Cir Bras 2023; 38:e382523. [PMID: 37556718 PMCID: PMC10403246 DOI: 10.1590/acb382523] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 04/18/2023] [Indexed: 08/11/2023] Open
Abstract
PURPOSE To investigate the role of puerarin on renal fibrosis and the underlying mechanism in renal ischemia and reperfusion (I/R) model. METHODS Rats were intraperitoneally injected with puerarin (50 or 100 mg/kg) per day for one week before renal I/R. The level of renal collagen deposition and interstitial fibrosis were observed by hematoxylin and eosin and Sirius Red staining, and the expression of α-smooth muscle actin (α-SMA) was examined by immunohistochemical staining. The ferroptosis related factors and TLR4/Nox4-pathway-associated proteins were detected by Western blotting. RESULTS Puerarin was observed to alleviate renal collagen deposition, interstitial fibrosis and the α-SMA expression induced by I/R. Superoxide dismutase (SOD) activities and glutathione (GSH) level were decreased in I/R and hypoxia/reoxygenation (H/R), whereas malondialdehyde (MDA) and Fe2+ level increased. However, puerarin reversed SOD, MDA, GSH and Fe2+ level changes induced by I/R and H/R. Besides, Western blot indicated that puerarin inhibited the expression of ferroptosis related factors in a dose-dependent manner, which further demonstrated that puerarin had the effect to attenuate ferroptosis. Moreover, the increased expression of TLR/Nox4-pathway-associated proteins were observed in I/R and H/R group, but puerarin alleviated the elevated TLR/Nox4 expression. CONCLUSIONS Our results suggested that puerarin inhibited oxidative stress and ferroptosis induced by I/R and, thus, delayed the progression of renal fibrosis, providing a new target for the treatment of renal fibrosis.
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Affiliation(s)
- Jun Jian
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Dan Wang
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Yufeng Xiong
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Jingsong Wang
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Qingyuan Zheng
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Zhengyu Jiang
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Jiacheng Zhong
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Song Yang
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
| | - Lei Wang
- Renmin Hospital of Wuhan University – Department of Urology – Wuhan, Hubei, China
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Wang Y, Zhao L, Qiu D, Shi Y, Duan H. Effects of transforming growth factor beta-activated kinase 1 (TAK1) on apoptosis of HK-2 cells in the high glucose environment. Bioengineered 2022; 13:5880-5891. [PMID: 35184673 PMCID: PMC8973667 DOI: 10.1080/21655979.2022.2040875] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
To observe the role of transforming growth factor beta-activated kinase 1 (TAK1)/p38 MAPK/TGF-β1 signal pathway plays in oxidative stress and apoptosis in human renal tubular epithelial cells (HK-2) under high glucose induction. HK-2 cells were cultured in high glucose medium with and without TAK1 inhibitor 5Z-7-oxozeaenol. TUNEL and flow cytometry were used to detect cell apoptosis. The protein expression of TAK1, TGF-β1, Bax and Bcl-2 was detected by immunofluorescence. Meanwhile, flow cytometry was used to detect the production of reactive oxygen species (ROS), and MitoSOX staining was performed to detect the production of mitochondrial ROS. Moreover, real-time quantitative PCR and Western blotting was used to measure the expression of TAK1, TGF-β1, NOX1, NOX4 and HO-1, Bax, Bcl-2, p38MAPK, p-p38MAPK and TGF-β1. Results showed that high glucose up-regulated the protein expression of p-TAK1, p-p38 MAPK and TGF-β1, which induced the aggravation of oxidative stress by promoting the production of ROS, thus promote the apoptosis in HK-2 cells. However, addition of 5z −7-oxozeaenol in HK-2 cells reversed all the above functions induced by high glucose. Another experimental result also showed that SB203580, a p38MAPK inhibitor can down-regulated TGF-β1 expression and reduce ROS production, thus alleviate cell apoptosis in TAK1 overexpression group. In summary, high glucose intervention could activate TAK1 and promote apoptosis in HK-2 cells. Inhibition of TAK1 expression could block p38 MAPK/TGF-β1 signaling pathway and reduce ROS production and oxidative stress, which may be one of the signal pathways of TAK1 to reduce apoptosis of HK-2 cells induced by high glucose. Abbreviations: DN, Diabetic nephropathy; TAK1, transforming growth factor β-activated kinase-1; TGF-β, transforming growth factor-β; NG, normal glucose; HG, high glucose; p38 MAPK, p38 mitogen-activated protein kinase; ROS, reactive oxygen species.
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Affiliation(s)
- Yuhan Wang
- Department of Pathology, Hebei Medical University, Shijiazhuang, Hebei, China.,Department of Gastroenterology and Hepatology, Tangshan Gongren Hospital, Tangshan, Hebei, China
| | - Li Zhao
- Department of Gastroenterology and Hepatology, Tangshan Gongren Hospital, Tangshan, Hebei, China
| | - DuoJun Qiu
- Department of Pathology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yonghong Shi
- Department of Pathology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Huijun Duan
- Department of Pathology, Hebei Medical University, Shijiazhuang, Hebei, China
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Totzke J, Scarneo SA, Yang KW, Haystead TAJ. TAK1: a potent tumour necrosis factor inhibitor for the treatment of inflammatory diseases. Open Biol 2020; 10:200099. [PMID: 32873150 PMCID: PMC7536066 DOI: 10.1098/rsob.200099] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Aberrant tumour necrosis factor (TNF) signalling is a hallmark of many inflammatory diseases including rheumatoid arthritis (RA), irritable bowel disease and lupus. Maladaptive TNF signalling can lead to hyper active downstream nuclear factor (NF)-κβ signalling in turn amplifying a cell's inflammatory response and exacerbating disease. Within the TNF intracellular inflammatory signalling cascade, transforming growth factor-β-activated kinase 1 (TAK1) has been shown to play a critical role in mediating signal transduction and downstream NF-κβ activation. Owing to its role in TNF inflammatory signalling, TAK1 has become a potential therapeutic target for the treatment of inflammatory diseases such as RA. This review highlights the current development of targeting the TNF-TAK1 signalling axis as a novel therapeutic strategy for the treatment of inflammatory diseases.
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Affiliation(s)
- Juliane Totzke
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Scott A Scarneo
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kelly W Yang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Timothy A J Haystead
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
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5
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Shi Y, Chen X, Huang C, Pollock C. RIPK3: A New Player in Renal Fibrosis. Front Cell Dev Biol 2020; 8:502. [PMID: 32613000 PMCID: PMC7308494 DOI: 10.3389/fcell.2020.00502] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 05/26/2020] [Indexed: 12/28/2022] Open
Abstract
Chronic kidney disease (CKD) is the end result of a plethora of renal insults, including repeated episodes of acute or toxic kidney injury, glomerular, or diabetic kidney disease. It affects a large number of the population worldwide, resulting in significant personal morbidity and mortality and economic cost to the community. Hence it is appropriate to focus on treatment strategies that interrupt the development of kidney fibrosis, the end result of all forms of CKD, in addition to upstream factors that may be specific to certain diseases. However, the current clinical approach to prevent or manage renal fibrosis remains unsatisfactory. The rising importance of receptor-interacting serine/threonine-protein kinase (RIPK) 3 in the inflammatory response and TGF-β1 signaling is increasingly recognized. We discuss here the biological functions of RIPK3 and its role in the development of renal fibrosis.
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Affiliation(s)
- Ying Shi
- Nephrology, School of Medicine, Stanford University, Palo Alto, CA, United States
| | - Xinming Chen
- Kolling Institute of Medical Research, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Chunling Huang
- Kolling Institute of Medical Research, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Carol Pollock
- Kolling Institute of Medical Research, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
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Irwin MG, Chung CKE, Ip KY, Wiles MD. Influence of propofol-based total intravenous anaesthesia on peri-operative outcome measures: a narrative review. Anaesthesia 2020; 75 Suppl 1:e90-e100. [PMID: 31903578 DOI: 10.1111/anae.14905] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/03/2019] [Indexed: 12/12/2022]
Abstract
Propofol-based total intravenous anaesthesia is well known for its smooth, clear-headed recovery and anti-emetic properties, but there are also many lesser known beneficial properties that can potentially influence surgical outcome. We will discuss the anti-oxidant, anti-inflammatory and immunomodulatory effects of propofol and their roles in pain, organ protection and immunity. We will also discuss the use of propofol in cancer surgery, neurosurgery and older patients.
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Affiliation(s)
- M G Irwin
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong Special Administrative Region, China
| | - C K E Chung
- Department of Anaesthesiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China
| | - K Y Ip
- Department of Anaesthesiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China
| | - M D Wiles
- Department of Anaesthesia, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
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7
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Acute remote ischemic preconditioning alleviates free radical injury and inflammatory response in cerebral ischemia/reperfusion rats. Exp Ther Med 2019; 18:1953-1960. [PMID: 31410157 PMCID: PMC6676222 DOI: 10.3892/etm.2019.7797] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 08/31/2018] [Indexed: 12/12/2022] Open
Abstract
Remote ischemic preconditioning (IPreC) is an effective strategy to defend against cerebral ischemia/reperfusion (IR) injury; however, its mechanisms remain to be elucidated. The aim of the present study was to investigate the effect of IPreC on brain tissue following cerebral ischemia, as well as the underlying mechanisms. Adult male Sprague-Dawley rats were treated with IPreC for 72 h prior to the induction of transient cerebral ischemia and reperfusion. The results demonstrated that IPreC reduced the area of cerebral infarction in the IR rats by 2,3,5-triphenyl-tetrazolium chloride staining. In addition, cell apoptosis was markedly suppressed by IPreC with an increased expression of B-cell lymphoma 2 (Bcl-2)/Bcl-2-associatd X protein using Terminal deoxynucleotidyl-transferase-mediated dUTP nick end labeling assay and western blot analysis. IR induced a decrease in the level of superoxide dismutase, and IPreC significantly suppressed increased levels of malondialdehyde, lactate dehydrogenase and nitric oxide. The expression of CD11b and CD18 was markedly inhibited by IpreC unsing flow cytometry. Furthermore, IPreC markedly decreased the release of pro-inflammatory factors interleukin (IL)-6 and IL-1β, and enhanced the level of anti-inflammatory factors (IL-10 and IL-1 receptor antagonist) by ELISA assay. Finally, IPreC reduced the levels of transforming growth factor-β-activated kinase 1, phosphorylated-P65/P65, and tumor necrosis factor-α, indicating that the nuclear factor-κB pathway was involved in IPreC-mediated protection against cerebral ischemia. Taken together, the results suggested that IPreC decreased ischemic brain injury through alleviating free radical injury and the inflammatory response in cerebral IR rats.
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8
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Tao Q, Tianyu W, Jiangqiao Z, Zhongbao C, Xiaoxiong M, Long Z, Jilin Z. Tripartite Motif 8 Deficiency Relieves Hepatic Ischaemia/reperfusion Injury via TAK1-dependent Signalling Pathways. Int J Biol Sci 2019; 15:1618-1629. [PMID: 31360105 PMCID: PMC6643225 DOI: 10.7150/ijbs.33323] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Accepted: 05/21/2019] [Indexed: 02/07/2023] Open
Abstract
Tripartite motif (Trim) 8 is an E3 ubiquitin ligase, interacting with and ubiquitinating diverse substrates, and is closely involved in innate immunity. However, the function of Trim8 in hepatic ischaemia/reperfusion (I/R) injury remains largely unknown. The aim of this study is to explore the role of Trim8 in hepatic I/R injury. Trim8 gene knockout mice and primary hepatocytes were used to construct hepatic I/R models. The effect of Trim8 on hepatic I/R injury was analysed via pathological and molecular analyses. The results indicated that Trim8 was significantly upregulated in liver of mice subjected to hepatic I/R injury. Trim8 knockout relieved hepatocyte injury triggered by I/R. Silencing of Trim8 expression alleviated hepatic inflammation responses and inhibited apoptosis in vitro and in vivo. Mechanistically, our study suggests that Trim8 deficiency may elicit hepatic protective effects by inhibiting the activation of transforming growth factor β-activated kinase 1 (TAK1)-p38/JNK signalling pathways. TAK1 was required for Trim8 function in hepatic I/R injury as TAK1 activation abolished Trim8 function in vitro. In conclusion, our study demonstrates that Trim8 deficiency plays a protective role in hepatic I/R injury by inhibiting the activation of TAK1-dependent signalling pathways.
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Affiliation(s)
- Qiu Tao
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
| | - Wang Tianyu
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
| | - Zhou Jiangqiao
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
| | - Chen Zhongbao
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
| | - Ma Xiaoxiong
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
| | - Zhang Long
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
| | - Zou Jilin
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
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Que Y, Xue J. Propofol activates autophagic activity of vascular endothelial cells by inhibiting SENP1 expression and attenuates vascular endothelial injury induced by ischemia-reperfusion in orthopedic surgery. BIOTECHNOL BIOTEC EQ 2019. [DOI: 10.1080/13102818.2019.1673208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Affiliation(s)
- Yuanyuan Que
- Department of Anesthesiology, Guizhou Provincial People’s Hospital, Guiyang, Guizhou, People's Republic of China
| | - Jinpei Xue
- Department of Anesthesiology, Longgang Orthopedics Hospital of Shenzhen, Shenzhen, Guangdong, People's Republic of China
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Zhou J, Zhong J, Huang Z, Liao M, Lin S, Chen J, Chen H. TAK1 mediates apoptosis via p38 involve in ischemia-induced renal fibrosis. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:1016-1025. [PMID: 29661023 DOI: 10.1080/21691401.2018.1442841] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Renal fibrosis is a common and characteristic symptom of chronic kidney disease (CKD). However, the molecular mechanisms of renal fibrosis remain elusive. Ischemia injury, as a major cause of AKI, deserves more attention in order to improve the knowledge of AKI-induced fibrosis. Transforming growth factor-β (TGF-β)-activated kinase 1 (TAK1) interacts directly with TGF-β, which play a critical role in the progression of fibrosis. Therefore, the present study aimed to investigate the role of TAK1 in the pathogenesis of ischemia-induced renal fibrosis. Compared with mice in the vehicle group, mice intraperitoneally injected with TAK1 inhibitor were found to have lower serum creatinine, less tubular damage and more mild fibrosis following ischemia-induced AKI. Furthermore, inhibition of TAK1 reduced p38 phosphorylation, decreased expression of Bax and caspase 3 and apoptosis cells in kidneys of mice treated with IR-induced AKI. Compared with vehicle-treated renal tubular epithelial cells, TAK1 overexpression cells were found to have a higher apoptosis and fibrosis index level and p38 phosphorylation following hypoxia/reoxygenation (H/R) treatment. Furthermore, the p38 inhibitor combined with TAK1 overexpression verified the role of TAK1/p38 signaling pathway in apoptosis and fibrosis index level of renal tubular epithelial cells treated with H/R. Thus, our results show that TAK1 plays an important role in the pathogenesis of ischemia-induced renal fibrosis and may mediate p38-regulated cell apoptosis.
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Affiliation(s)
- Jun Zhou
- a Department of Anesthesiology , The First People's Hospital of Foshan , Foshan , Guangdong Province , China
| | - Jiying Zhong
- a Department of Anesthesiology , The First People's Hospital of Foshan , Foshan , Guangdong Province , China
| | - Zhenxing Huang
- a Department of Anesthesiology , The First People's Hospital of Foshan , Foshan , Guangdong Province , China
| | - Meijuan Liao
- a Department of Anesthesiology , The First People's Hospital of Foshan , Foshan , Guangdong Province , China
| | - Sen Lin
- a Department of Anesthesiology , The First People's Hospital of Foshan , Foshan , Guangdong Province , China
| | - Jia Chen
- a Department of Anesthesiology , The First People's Hospital of Foshan , Foshan , Guangdong Province , China
| | - Hongtao Chen
- b Department of Anesthesiology , The Eighth People's Hospital of Guangzhou , Guangzhou , Guangdong Province , China
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Zhou J, Fan Y, Zhong J, Huang Z, Huang T, Lin S, Chen H. TAK1 mediates excessive autophagy via p38 and ERK in cisplatin-induced acute kidney injury. J Cell Mol Med 2018; 22:2908-2921. [PMID: 29504713 PMCID: PMC5908118 DOI: 10.1111/jcmm.13585] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Accepted: 01/24/2018] [Indexed: 12/31/2022] Open
Abstract
The ability of cisplatin (cis‐diamminedichloroplatinum II) toxicity to induce acute kidney injury (AKI) has attracted people's attention and concern for a long time, but its molecular mechanisms are still widely unknown. We found that the expression of transforming growth factor‐β (TGF‐β)‐activated kinase 1 (TAK1) could be increased in kidneys of mice administrated with cisplatin. Autophagy is an evolutionarily conserved catabolic pathway and is involved in various acute and chronic injuries. Moreover, p38 MAPK (mitogen‐activated protein kinase) and ERK regulate autophagy in response to various stimuli. Therefore, our hypothesis is that cisplatin activates TAK1, which phosphorylates p38 and ERK, leading to excessive autophagy of tubular epithelial cells and thus exacerbating kidney damage. Here, BALB/c mice were intraperitoneally injected with a TAK1 inhibitor and were then administrated with sham or cisplatin at 20 mg/kg by intraperitoneal injection. Compared with mice in the vehicle cisplatin group, mice intraperitoneally injected with a TAK1 inhibitor were found to have lower serum creatinine and less tubular damage following cisplatin‐induced AKI. Furthermore, inhibition of TAK1 reduced p38 and Erk phosphorylation, decreased expression of LC3II and reversed the down‐regulation of P62 expression induced by cisplatin. The hypothesis was verified with tubular epithelial cells administrated with cisplatin in vitro. Finally, p38 inhibitor or ERK inhibitor abated autophagy activation and cell viability reduction in tubular epithelial cells treated with cisplatin plus TAK1 overexpression vector. Taken together, our results show that cisplatin activates TAK1, which phosphorylates p38 and ERK, leading to excessive autophagy of tubular epithelial cells that exacerbates kidney damage.
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Affiliation(s)
- Jun Zhou
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, China
| | - Youling Fan
- Department of Anesthesiology, Panyu Central Hospital, Guangzhou, China
| | - Jiying Zhong
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, China
| | - Zhenxing Huang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, China
| | - Teng Huang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, China
| | - Sen Lin
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, China
| | - Hongtao Chen
- Department of Anesthesiology, Eighth People's Hospital of Guangzhou, Guangzhou, China
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