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Wang Y, Yu L, Li Y, Cha S, Shi L, Wang J, Ge F, Huang C, Huang H, Tu Y, Wan Y, Shen S. Supplemented Gegen Qinlian Decoction Formula attenuates podocyte mitochondrial fission and renal fibrosis in diabetic kidney disease by inhibiting TNF-α-mediated necroptosis, compared with empagliflozin. JOURNAL OF ETHNOPHARMACOLOGY 2024; 334:118572. [PMID: 39025164 DOI: 10.1016/j.jep.2024.118572] [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: 02/01/2024] [Revised: 07/07/2024] [Accepted: 07/10/2024] [Indexed: 07/20/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Recently, podocyte mitochondrial dysfunction and necroptosis have been shown to play critical roles in renal fibrosis (RF) in diabetic kidney disease (DKD); however, these conditions lack effective treatment. In China, the supplemented Gegen Qinlian Decoction Formula (SGQDF), which originates from the classical prescription Gegen Qinlian Decoction, has been widely used to treat patients with DKD. However, it remains unclear whether SGQDF alleviates podocyte injury-associated RF in patients with DKD. AIM OF STUDY This study aimed to clarify the therapeutic effects of SGQDF compared with those of empagliflozin (EMPA) on podocyte mitochondrial fission and RF in DKD and its necroptosis-related mechanisms. MATERIALS AND METHODS Modified DKD rat models were developed through a combination of uninephrectomy, streptozotocin administration through intraperitoneal injection, and exposure to a high-fat diet. Following RF formation, the DKD rat models received either a high dose of SGQDF (H-SGQDF), a low dose of SGQDF (L-SGQDF), EMPA, or vehicle for 4 weeks. In our in vitro study, we subjected cultured murine podocytes to a high-glucose environment and various treatments including Mdivi-1, adalimumab, and necrostatin-1, with or without H-SGQDF or EMPA. SGQDF target prediction and molecular docking verification were performed. For the in vivo study, we focused on examining changes in the parameters associated with renal injury, RF, and oxidative stress (OS)-induced injuries in podocytes. Both in vivo and in vitro studies included an analysis of changes in podocyte mitochondrial fission, TNF-α-induced podocyte necroptosis, and the RIPK1/RIPK3/MLKL signaling pathway activation. RESULTS SGQDF improved renal injury markers, including body weight, blood glucose, serum creatinine, blood urea nitrogen, and urinary albumin, in a dose-dependent manner. The beneficial effects of H-SGQDF in vivo were greater than those of L-SGQDF alone in vivo. Interestingly, similar to EMPA, H-SGQDF ameliorated RF and reduced OS-induced podocyte injury in diabetic kidneys. Furthermore, TNF-α signaling was shown to be important in the network construction of "the SGQDF-component-target." Based on this, we also showed that the beneficial effects in vivo and in vitro of H-SGQDF were closely related to the improvement in mitochondrial dysfunction and the inhibition of TNF-α-induced necroptosis in podocytes. CONCLUSION In the present study, we showed that H-SGQDF, similar to EMPA, attenuates podocyte mitochondrial fission and RF, and that the underlying therapeutic mechanisms are closely related to inhibiting the activation of the RIPK1/RIPK3/MLKL signaling axis in diabetic kidneys. Our findings provide new pharmacological evidence for the application of H-SGQDF in the RF treatment of DKD.
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Affiliation(s)
- Yu Wang
- Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China; Institute of Chinese Medicine, Nanjing University, Nanjing, 210008, China; Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
| | - Lu Yu
- Department of Endocrinology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China
| | - Yajing Li
- Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China
| | - Siyu Cha
- Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China
| | - Lijing Shi
- Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
| | - Jinlong Wang
- Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China
| | - Fengfeng Ge
- Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China
| | - Chubo Huang
- International Jingfang Institute, Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Huang Huang
- International Jingfang Institute, Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Yue Tu
- Department of Traditional Chinese Medicine Health Preservation, Acupuncture, Moxibustion and Massage College, Health Preservation and Rehabilitation College, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yigang Wan
- Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China; Department of Traditional Chinese Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China.
| | - Shanmei Shen
- Department of Endocrinology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, 210008, China; Department of Endocrinology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China.
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Yadav S, El Hamra R, Alturki NA, Ariana A, Bhan A, Hurley K, Gaestel M, Blackshear PJ, Blais A, Sad S. Regulation of Zfp36 by ISGF3 and MK2 restricts the expression of inflammatory cytokines during necroptosis stimulation. Cell Death Dis 2024; 15:574. [PMID: 39117638 PMCID: PMC11310327 DOI: 10.1038/s41419-024-06964-4] [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: 01/22/2024] [Revised: 07/29/2024] [Accepted: 07/31/2024] [Indexed: 08/10/2024]
Abstract
Necrosome activation following TLR- or cytokine receptor-signaling results in cell death by necroptosis which is characterized by the rupture of cell membranes and the consequent release of intracellular contents to the extracellular milieu. While necroptosis exacerbates various inflammatory diseases, the mechanisms through which the inflammatory responses are regulated are not clear. We show that the necrosome activation of macrophages results in an upregulation of various pathways, including the mitogen-activated protein kinase (MAPK) cascade, which results in an elevation of the inflammatory response and consequent expression of several cytokines and chemokines. Programming for this upregulation of inflammatory response occurs during the early phase of necrosome activation and proceeds independently of cell death but depends on the activation of the receptor-interacting protein kinase-1 (RipK1). Interestingly, necrosome activation also results in an upregulation of IFNβ, which in turn exerts an inhibitory effect on the maintenance of inflammatory response through the repression of MAPK-signaling and an upregulation of Zfp36. Activation of the interferon-induced gene factor-3 (ISGF3) results in the expression of ZFP36 (TTP), which induces the post-transcriptional degradation of mRNAs of various inflammatory cytokines and chemokines through the recognition of AU-rich elements in their 3'UTR. Furthermore, ZFP-36 inhibits IFNβ-, but not TNFα- induced necroptosis. Overall, these results reveal the molecular mechanism through which IFNβ, a pro-inflammatory cytokine, induces the expression of ZFP-36, which in turn inhibits necroptosis and halts the maintenance of the inflammatory response.
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Affiliation(s)
- Sahil Yadav
- Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Rayan El Hamra
- Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Norah A Alturki
- Clinical Laboratory Science Department, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Ardeshir Ariana
- Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Avni Bhan
- Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Kate Hurley
- Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Matthias Gaestel
- Institute of Cell Biochemistry, Hannover Medical School, Hannover, Germany
| | - Perry J Blackshear
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, Durham, North Carolina, United States of America
| | - Alexandre Blais
- Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Ottawa Institute of Systems Biology, Ottawa, ON, Canada
- University of Ottawa, Centre for Infection Immunity and Inflammation, Ottawa, ON, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON, Canada
| | - Subash Sad
- Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada.
- University of Ottawa, Centre for Infection Immunity and Inflammation, Ottawa, ON, Canada.
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Li Y, Dong B, Wang Y, Bi H, Zhang J, Ding C, Wang C, Ding X, Xue W. Inhibition of Usp14 ameliorates renal ischemia-reperfusion injury by reducing Tfap2a stabilization and facilitating mitophagy. Transl Res 2024; 270:94-103. [PMID: 38643868 DOI: 10.1016/j.trsl.2024.04.002] [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: 08/18/2023] [Revised: 03/25/2024] [Accepted: 04/09/2024] [Indexed: 04/23/2024]
Abstract
Mitochondrial dysfunction is recognized as a pivotal contributor to the pathogenesis of renal ischemia-reperfusion (IR) injury. Mitophagy, the process responsible for removing damaged protein aggregates, stands as a critical mechanism safeguarding cells against IR injury. Currently, the role of deubiquitination in regulating mitophagy still needs to be completely elucidated. This study aimed to evaluate the impact of ubiquitin-specific peptidase 14 (Usp14), a deubiquitinase, in IR injury by influencing mitophagy. Utilizing a murine model of renal IR injury, Usp14 silencing was found to ameliorate kidney injury, leading to decreased levels of serum creatinine and blood urea nitrogen, alongside diminished oxidative stress and inflammation. In renal epithelial cells subjected to hypoxia/reoxygenation (H/R), Usp14 knockdown increased cell viability and reduced apoptosis. Further mechanistic studies revealed that Usp14 interacted with and deubiquitinated transcription factor AP-2 alpha (Tfap2a), thereby suppressing its downstream target gene, TANK binding kinase 1 (Tbk1), to influence mitophagy. Tfap2a overexpression or Tbk1 inhibition reversed the protective effects of Usp14 silencing on renal tubular cell injury and its facilitation of mitophagy. In summary, our study demonstrated the renoprotective role of Usp14 knockdown in mitigating renal IR injury by promoting Tfap2a-mediated Tbk1 upregulation and mitophagy. These findings advocate for exploring Usp14 inhibition as a promising therapeutic avenue for mitigating IR injury, primarily by enhancing the clearance of damaged mitochondria through augmented mitophagy.
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Affiliation(s)
- Yang Li
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China.
| | - Boqing Dong
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
| | - Ying Wang
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
| | - Huanjing Bi
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
| | - Jing Zhang
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
| | - Chenguang Ding
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
| | - Chenge Wang
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
| | - Xiaoming Ding
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
| | - Wujun Xue
- Department of renal transplantation, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an China
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Li C, Yu Y, Zhu S, Hu Y, Ling X, Xu L, Zhang H, Guo K. The emerging role of regulated cell death in ischemia and reperfusion-induced acute kidney injury: current evidence and future perspectives. Cell Death Discov 2024; 10:216. [PMID: 38704372 PMCID: PMC11069531 DOI: 10.1038/s41420-024-01979-4] [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: 12/25/2023] [Revised: 04/14/2024] [Accepted: 04/18/2024] [Indexed: 05/06/2024] Open
Abstract
Renal ischemia‒reperfusion injury (IRI) is one of the main causes of acute kidney injury (AKI), which is a potentially life-threatening condition with a high mortality rate. IRI is a complex process involving multiple underlying mechanisms and pathways of cell injury and dysfunction. Additionally, various types of cell death have been linked to IRI, including necroptosis, apoptosis, pyroptosis, and ferroptosis. These processes operate differently and to varying degrees in different patients, but each plays a role in the various pathological conditions of AKI. Advances in understanding the underlying pathophysiology will lead to the development of new therapeutic approaches that hold promise for improving outcomes for patients with AKI. This review provides an overview of the recent research on the molecular mechanisms and pathways underlying IRI-AKI, with a focus on regulated cell death (RCD) forms such as necroptosis, pyroptosis, and ferroptosis. Overall, targeting RCD shows promise as a potential approach to treating IRI-AKI.
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Affiliation(s)
- Chenning Li
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Ying Yu
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Shuainan Zhu
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Yan Hu
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Xiaomin Ling
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Liying Xu
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Hao Zhang
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China.
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China.
| | - Kefang Guo
- Department of Anesthesiology, Zhongshan Hospital, Shanghai, China.
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China.
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Wang J, Lu C, Wang J, Wang Y, Bi H, Zheng J, Ding X. Necroptosis-related genes allow novel insights into predicting graft loss and diagnosing delayed graft function in renal transplantation. Genomics 2024; 116:110778. [PMID: 38163575 DOI: 10.1016/j.ygeno.2023.110778] [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: 12/13/2023] [Accepted: 12/29/2023] [Indexed: 01/03/2024]
Abstract
Ischemia-reperfusion injury (IRI) is an inevitable pathophysiological phenomenon in kidney transplantation. Necroptosis is an undoubtedly important contributing mechanism in renal IRI. We first screened differentially expressed necroptosis-related genes (DENRGs) from public databases. Eight DENRGs were validated by independent datasets and verified by qRT-PCR in a rat IRI model. We used univariate and multivariate Cox regression analyses to establish a prognostic signature, and graft survival analysis was performed. Immune infiltrating landscape analysis and gene set enrichment analysis (GSEA) were performed to understand the underlying mechanisms of graft loss, which suggested that necroptosis may aggravate the immune response, resulting in graft loss. Subsequently, a delayed graft function (DGF) diagnostic signature was constructed using the Least Absolute Shrinkage and Selection Operator (LASSO) and exhibited robust efficacy in validation datasets. After comprehensively analyzing DENRGs during IRI, we successfully constructed a prognostic signature and DGF predictive signature, which may provide clinical insights for kidney transplant.
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Affiliation(s)
- Jiale Wang
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Cuinan Lu
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jingwen Wang
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ying Wang
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Huanjing Bi
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jin Zheng
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaoming Ding
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
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Hamed AB, El-Abhar HS, Abdallah DM, Ahmed KA, Abulfadl YS. Prunetin in a GPR30-dependent manner mitigates renal ischemia/reperfusion injury in rats via interrupting indoxyl sulfate/TLR4/TRIF, RIPK1/RIPK3/MLKL, and RIPK3/PGAM5/DRP-1 crosstalk. Saudi Pharm J 2023; 31:101818. [PMID: 37868646 PMCID: PMC10587762 DOI: 10.1016/j.jsps.2023.101818] [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: 07/18/2023] [Accepted: 10/02/2023] [Indexed: 10/24/2023] Open
Abstract
The potential health benefits of phytochemicals in preventing and treating diseases have gained increasing attention. Here, we proved that the methylated isoflavone prunetin possesses a reno-therapeutic effect against renal ischemia/reperfusion (I/R) insult by activating G protein-coupled receptor 30 (GPR30). After choosing the therapeutic dose of prunetin against renal I/R injury in the pilot study, male Sprague Dawley rats were allocated into 5 groups; viz., sham-operated (SO), SO injected with 1 mg/kg prunetin intraperitoneally for three successive days, untreated I/R, I/R treated with prunetin, and I/R treated with G-15, the selective GPR30 blocker, followed by prunetin. Treatment with prunetin reversed the I/R renal injury effect and majorly restored normal renal function and architecture. Mechanistically, prunetin restored the I/R-induced depletion of renal GPR30, an impact that was canceled by the pre-administration of G-15. Additionally, post-administration of prunetin normalized the boosted inflammatory markers indoxyl sulfate, TLR4, and TRIF and abrogated renal cell demise by suppressing necroptotic signaling, verified by the inactivation of p-RIPK1, p-RIPK3, and p-MLKL while normalizing the inhibited caspase-8. Besides, prunetin reversed the I/R-mediated mitochondrial fission by inhibiting the protein expression of PGMA5 and p-DRP-1. All these favorable impacts of prunetin were nullified by G-15. To sum up, prunetin exhibited a significant reno-therapeutic effect evidenced by the enhancement of renal morphology and function, the suppression of the inflammatory cascade indoxyl sulfate/TLR4/TRIF, which turns off the activated/phosphorylated necroptotic trajectory RIPK1/RIPK3/MLKL, while enhancing caspase-8. Additionally, prunetin opposed the mitochondrial fission pathway RIPK3/PGMA5/DRP-1, effects that are mediated via the activation of GPR30.
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Affiliation(s)
- Ahmed B. Hamed
- Department of Pharmacology, Toxicology, and Biochemistry, Faculty of Pharmacy, Future University in Egypt, Cairo 11835, Egypt
| | - Hanan S. El-Abhar
- Department of Pharmacology, Toxicology, and Biochemistry, Faculty of Pharmacy, Future University in Egypt, Cairo 11835, Egypt
| | - Dalaal M. Abdallah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Kawkab A. Ahmed
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Yasmin S. Abulfadl
- Department of Pharmacology, Toxicology, and Biochemistry, Faculty of Pharmacy, Future University in Egypt, Cairo 11835, Egypt
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Li S, Zhang W, Hu X. Comprehensive analysis of necroptosis-related genes in renal ischemia-reperfusion injury. Front Immunol 2023; 14:1279603. [PMID: 37965311 PMCID: PMC10641517 DOI: 10.3389/fimmu.2023.1279603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/16/2023] [Indexed: 11/16/2023] Open
Abstract
Background Oxidative stress is the primary cause of ischemia-reperfusion injury (IRI) in kidney transplantation, leading to delayed graft function (DGF) and implications on patient health. Necroptosis is believed to play a role in renal IRI. This research presents a comprehensive analysis of necroptosis-related genes and their functional implications in the context of IRI in renal transplantation. Methods The necroptosis-related differentially expressed genes (NR-DEGs) were identified using gene expression data from pre- and post-reperfusion renal biopsies, and consensus clustering analysis was performed to distinguish necroptosis-related clusters. A predictive model for DGF was developed based on the NR-DEGs and patients were divided into high- and low-risk groups. We investigated the differences in functional enrichment and immune infiltration between different clusters and risk groups and further validated them in single-cell RNA-sequencing (scRNA-seq) data. Finally, we verified the expression changes of NR-DEGs in an IRI mouse model. Results Five NR-DEGs were identified and were involved in various biological processes. The renal samples were further stratified into two necroptosis-related clusters (C1 and C2) showing different occurrences of DGF. The predictive model had a reliable performance in identifying patients at higher risk of DGF with the area under the curve as 0.798. Additionally, immune infiltration analysis indicated more abundant proinflammatory cells in the high-risk group, which was also found in C2 cluster with more DGF patients. Validation of NR-DEG in scRNA-seq data further supported their involvement in immune cells. Lastly, the mouse model validated the up-regulation of NR-DEGs after IR and indicated the correlations with kidney function markers. Conclusions Our research provides valuable insights into the identification and functional characterization of NR-DEGs in the context of renal transplantation and sheds light on their involvement in immune responses and the progression of IRI and DGF.
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Affiliation(s)
- Shuai Li
- Department of Urology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
- Institute of Urology, Capital Medical University, Beijing, China
| | - Weixun Zhang
- Department of Urology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
- Institute of Urology, Capital Medical University, Beijing, China
| | - Xiaopeng Hu
- Department of Urology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
- Institute of Urology, Capital Medical University, Beijing, China
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Xia K, Qiu T, Jian Y, Liu H, Chen H, Liu X, Chen Z, Wang L. Degradation of histone deacetylase 6 alleviates ROS-mediated apoptosis in renal ischemia-reperfusion injury. Biomed Pharmacother 2023; 165:115128. [PMID: 37429230 DOI: 10.1016/j.biopha.2023.115128] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/26/2023] [Accepted: 07/02/2023] [Indexed: 07/12/2023] Open
Abstract
Renal ischemia reperfusion injury (RIRI) is an inevitable complication during renal surgery. Histone deacetylase 6 (HDAC6), a key member of the histone deacetylase family, is associated with multiple pathologies, including renal diseases. However, whether HDAC6 could become a potential therapeutic target for clinical application of RIRI remained to be proven. Here, we found that HDAC6 expression was abnormally enhanced by the transcription factor OSR2 in RIRI. Moreover, we were the first to validate that a selective HDAC6 degrader, proteolysis-targeting chimeras (PROTAC) NP8, could significantly improve RIRI. Further in vivo and in vitro mechanism studies have found that the reduction of HDAC6 alleviated RIRI by inhibiting ROS mediated apoptosis. Remarkably, a renal protective protein, Klotho, has been proven to be a target of HDAC6, and the degradation of HDAC6 restored KL expression, thereby ameliorating ROS mediated apoptosis. Overall, our results illustrated that the degradation of HDAC6 restrained ROS mediated apoptosis by restoring Klotho expression during RIRI. PROTAC-NP8 might be a potential therapeutic strategy for clinical prevention of RIRI.
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Affiliation(s)
- Kang Xia
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China; Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan, Hubei, China; Wuhan University Institute of Urological Disease, Wuhan, Hubei, China
| | - Tao Qiu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China; Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yonghong Jian
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Hao Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China; Wuhan University Institute of Urological Disease, Wuhan, Hubei, China
| | - Hui Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xiuheng Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China; Wuhan University Institute of Urological Disease, Wuhan, Hubei, China
| | - Zhiyuan Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China; Wuhan University Institute of Urological Disease, Wuhan, Hubei, China.
| | - Lei Wang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China; Wuhan University Institute of Urological Disease, Wuhan, Hubei, China.
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Ye H, Lu M, Tu C, Min L. Necroptosis in the sarcoma immune microenvironment: From biology to therapy. Int Immunopharmacol 2023; 122:110603. [PMID: 37467689 DOI: 10.1016/j.intimp.2023.110603] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/23/2023] [Accepted: 07/02/2023] [Indexed: 07/21/2023]
Abstract
Apoptosis resistance remains a major obstacle to treatment failure in sarcoma. Necroptosis is a caspase-independent programmed cell death, investigated as a novel strategy to eradicate anti-apoptotic tumor cells. The process is mediated by the receptor-interacting proteins kinase family and mixed lineage kinase domain-like proteins, which is morphologically similar to necrosis. Recent studies suggest that necroptosis in the tumor microenvironment has pro- or anti-tumor effects on immune response and cancer development. Necroptosis-related molecules display a remarkable value in prognosis prediction and therapeutic response evaluation of sarcoma. Furthermore, the induction of tumor necroptosis has been explored as a feasible therapeutic strategy against sarcoma and to synergize with immunotherapy. This review discusses the dual roles of necroptosis in the immune microenvironment and tumor progression, and explores the potential of necroptosis as a new target for sarcoma treatment.
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Affiliation(s)
- Huali Ye
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Minxun Lu
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Chongqi Tu
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Li Min
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
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Wang J, Ma R, Wang Y, Zhang S, Wang J, Zheng J, Xue W, Ding X. rhMYDGF Alleviates I/R-induced Kidney Injury by Inhibiting Inflammation and Apoptosis via the Akt Pathway. Transplantation 2023; 107:1729-1739. [PMID: 36698245 PMCID: PMC10358439 DOI: 10.1097/tp.0000000000004497] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND Renal ischemia/reperfusion (I/R) injury is one of the crucial factors affecting the outcome of renal transplantation. In recent years, myeloid-derived growth factor (MYDGF) has received a lot of attention for its extensive beneficial effects on cardiac repair and protection of cardiomyocytes from cell death. Therefore, we hypothesized that the recombinant human MYDGF (rhMYDGF) protein might play an essential role in safeguarding renal I/R injury. METHODS In vivo experiments were conducted using a mouse unilateral I/R model. Mice were pretreated with rhMYDGF by intraperitoneal injection to study the potential mechanism of renal protection. In vitro, we established hypoxia/reoxygenation and H 2 O 2 treatment models to pretreat cells with rhMYDGF. The expression levels of oxidative stress, inflammation, and apoptosis-related factors in tissues and cells were detected. Finally, we explored the role of the protein kinase B (Akt) pathway in the renal protective mechanism of rhMYDGF. RESULTS In this study, we found that intraperitoneal injection of 1.25 μg rhMYDGF could significantly improve renal function of I/R mice, and reduce oxidative stress, inflammation, and apoptosis. For the human proximal tubular epithelial cell line and human kidney cell line, pretreatment with 0.3 μg/mL rhMYDGF for 24 h significantly downregulated oxidative stress, inflammation, and apoptosis via the phosphorylation of Akt, which could be ameliorated by LY294002. CONCLUSIONS rhMYDGF protects kidney from I/R injury by attenuating oxidative stress, inflammation, and apoptosis through the activation of the Akt pathway.
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Affiliation(s)
- Jingwen Wang
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Ruiyang Ma
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Ying Wang
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Shucong Zhang
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Jiale Wang
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Jin Zheng
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Wujun Xue
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xiaoming Ding
- Department of Renal Transplantation, Hospital of Nephrology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
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11
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Yang D, Fan Y, Xiong M, Chen Y, Zhou Y, Liu X, Yuan Y, Wang Q, Zhang Y, Petersen RB, Su H, Yue J, Zhang C, Chen H, Huang K, Zheng L. Loss of renal tubular G9a benefits acute kidney injury by lowering focal lipid accumulation via CES1. EMBO Rep 2023; 24:e56128. [PMID: 37042626 PMCID: PMC10240209 DOI: 10.15252/embr.202256128] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/14/2023] [Accepted: 03/27/2023] [Indexed: 04/13/2023] Open
Abstract
Surgery-induced renal ischemia and reperfusion (I/R) injury and nephrotoxic drugs like cisplatin can cause acute kidney injury (AKI), for which there is no effective therapy. Lipid accumulation is evident following AKI in renal tubules although the mechanisms and pathological effects are unclear. Here, we report that Ehmt2-encoded histone methyltransferase G9a is upregulated in patients and mouse kidneys after AKI. Renal tubular specific knockout of G9a (Ehmt2Ksp ) or pharmacological inhibition of G9a alleviates lipid accumulation associated with AKI. Mechanistically, G9a suppresses transcription of the lipolytic enzyme Ces1; moreover, G9a and farnesoid X receptor (FXR) competitively bind to the same promoter regions of Ces1. Ces1 is consistently observed to be downregulated in the kidney of AKI patients. Pharmacological inhibition of Ces1 increases lipid accumulation, exacerbates renal I/R-injury and eliminates the beneficial effects on AKI observed in Ehmt2Ksp mice. Furthermore, lipid-lowering atorvastatin and an FXR agonist alleviate AKI by activating Ces1 and reducing renal lipid accumulation. Together, our results reveal a G9a/FXR-Ces1 axis that affects the AKI outcome via regulating renal lipid accumulation.
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Affiliation(s)
- Dong Yang
- School of Pharmacy, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yu Fan
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, College of Life SciencesWuhan UniversityWuhanChina
| | - Mingrui Xiong
- School of Pharmacy, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yuchen Chen
- School of Pharmacy, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yihao Zhou
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, College of Life SciencesWuhan UniversityWuhanChina
| | - Xikai Liu
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, College of Life SciencesWuhan UniversityWuhanChina
| | - Yangmian Yuan
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, College of Life SciencesWuhan UniversityWuhanChina
| | - Qing Wang
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, College of Life SciencesWuhan UniversityWuhanChina
| | - Yu Zhang
- School of Pharmacy, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Robert B Petersen
- Foundational SciencesCentral Michigan University College of MedicineMt. PleasantMIUSA
| | - Hua Su
- Department of Nephrology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Junqiu Yue
- Department of Pathology, Hubei Cancer Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Chun Zhang
- Department of Nephrology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Hong Chen
- School of Pharmacy, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Kun Huang
- School of Pharmacy, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Ling Zheng
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, College of Life SciencesWuhan UniversityWuhanChina
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12
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Zhang Y, Lv X, Chen F, Fan Q, Liu Y, Wan Z, Nibaruta J, Lv J, Han X, Wu L, Wang H, Leng Y. Role of microRNAs in programmed cell death in renal diseases: A review. Medicine (Baltimore) 2023; 102:e33453. [PMID: 37058073 PMCID: PMC10101263 DOI: 10.1097/md.0000000000033453] [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: 02/13/2023] [Accepted: 03/15/2023] [Indexed: 04/15/2023] Open
Abstract
MicroRNAs (miRNAs) regulate gene expression involving kidney morphogenesis and cell proliferation, apoptosis, differentiation, migration, invasion, immune evasion, and extracellular matrix remodeling. Programmed cell death (PCD) is mediated and regulated by specific genes and a wealth of miRNAs, which participate in various pathological processes. Dysregulation of miRNAs can disrupt renal development and induce the onset and progression of various renal diseases. An in-depth understanding of how miRNAs regulate renal development and diseases is indispensable to comprehending how they can be used in new diagnostic and therapeutic approaches. However, the mechanisms are still insufficiently investigated. Hence, we review the current roles of miRNA-related signaling pathways and recent advances in PCD research and aim to display the potential crosstalk between miRNAs and PCD. The prospects of miRNAs as novel biomarkers and therapeutic targets are also described, which might provide some novel ideas for further studies.
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Affiliation(s)
- Yan Zhang
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
| | - Xinghua Lv
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Feng Chen
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
| | - Qian Fan
- Tianjin Eye Hospital, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin Eye Institute, Nankai University Affiliated Eye Hospital, Tianjin, China
- Nankai Eye Institute, Nankai University, Tianjin, China
- Clinical College of Ophthalmology, Tianjin Medical University, Tianjin, China
| | - Yongqiang Liu
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
| | - Zhanhai Wan
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
| | - Janvier Nibaruta
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
| | - Jipeng Lv
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
| | - Xuena Han
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
| | - Lin Wu
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Hao Wang
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yufang Leng
- Department of Anesthesiology, First Hospital of Lanzhou University, Lanzhou, Gansu, China
- The First Clinical Medical College of Lanzhou University, Lanzhou, GanSu Province, China
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13
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Chen RY, Li DW, Xie H, Liu XW, Zhuang SY, Wu HY, Wu JJ, Sun N, Qu JW, Miao JY, Zhong C, Huang YH, Yuan XD, Zhang M, Zhang WJ, Hou JQ. Gene signature and prediction model of the mitophagy-associated immune microenvironment in renal ischemia-reperfusion injury. Front Immunol 2023; 14:1117297. [PMID: 37056767 PMCID: PMC10086170 DOI: 10.3389/fimmu.2023.1117297] [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: 12/06/2022] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
BackgroundRenal ischemia-reperfusion injury (IRI) is an inevitable occurrence during kidney transplantation. Mitophagy, ferroptosis, and the associated immune microenvironment (IME) have been shown to play important roles in renal IRI. However, the role of mitophagy-associated IME genes in IRI remains unclear. In this study, we aimed to construct a prediction model of IRI prognosis based on mitophagy-associated IME genes.MethodThe specific biological characteristics of the mitophagy-associated IME gene signature were comprehensively analyzed using public databases such as GEO, Pathway Unification, and FerrDb. Correlations between the expression of prognostic genes and immune-related genes and IRI prognosis were determined by Cox regression, LASSO analysis, and Pearson’s correlation. Molecular validation was performed using human kidney 2 (HK2) cells and culture supernatant as well as the serum and kidney tissues of mice after renal IRI. Gene expression was measured by PCR, and inflammatory cell infiltration was examined by ELISA and mass cytometry. Renal tissue damage was characterized using renal tissue homogenate and tissue sections.ResultsThe expression of the mitophagy-associated IME gene signature was significantly correlated with IRI prognosis. Excessive mitophagy and extensive immune infiltration were the primary factors affecting IRI. In particular, FUNDC1, SQSTM1, UBB, UBC, KLF2, CDKN1A, and GDF15 were the key influencing factors. In addition, B cells, neutrophils, T cells, and M1 macrophages were the key immune cells present in the IME after IRI. A prediction model for IRI prognosis was constructed based on the key factors associated with the mitophagy IME. Validation experiments in cells and mice indicated that the prediction model was reliable and applicable.ConclusionWe clarified the relationship between the mitophagy-related IME and IRI. The IRI prognostic prediction model based on the mitophagy-associated IME gene signature provides novel insights on the prognosis and treatment of renal IRI.
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Affiliation(s)
- Ruo-Yang Chen
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Da-Wei Li
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Hui Xie
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Xiao-Wen Liu
- Department of Institute of Molecular Medicine, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Shao-Yong Zhuang
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Hao-Yu Wu
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Jia-Jin Wu
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Nan Sun
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Jun-Wen Qu
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Jia-Yi Miao
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Chen Zhong
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Yu-Hua Huang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiao-Dong Yuan
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
- *Correspondence: Xiao-Dong Yuan, ; Ming Zhang, ; Wei-Jie Zhang, ; Jian-Quan Hou,
| | - Ming Zhang
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
- *Correspondence: Xiao-Dong Yuan, ; Ming Zhang, ; Wei-Jie Zhang, ; Jian-Quan Hou,
| | - Wei-Jie Zhang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
- *Correspondence: Xiao-Dong Yuan, ; Ming Zhang, ; Wei-Jie Zhang, ; Jian-Quan Hou,
| | - Jian-Quan Hou
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Department of Urology, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, China
- *Correspondence: Xiao-Dong Yuan, ; Ming Zhang, ; Wei-Jie Zhang, ; Jian-Quan Hou,
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14
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Zhou Z, Shang L, Zhang Q, Hu X, Huang JF, Xiong K. DTX3L induced NLRP3 ubiquitination inhibit R28 cell pyroptosis in OGD/R injury. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119433. [PMID: 36706922 DOI: 10.1016/j.bbamcr.2023.119433] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 01/10/2023] [Accepted: 01/16/2023] [Indexed: 01/26/2023]
Abstract
Ischemia/reperfusion (I/R) injury is one of the most common etiologies in many diseases. Retinal I/R leads to cytokine storm, resulting in tissue damage and cell death. Pyroptosis, a novel type of regulated cell death, occurs after cellular I/R injury. In this study, we established an oxygen glucose deprivation (OGD/R) cellular model (R28) to simulate retinal I/R injury. We conducted an LDH assay, and EthD-III and PI staining procedures to confirm pyroptosis. Mass spectrometry and bioinformatics analysis were used to identify the possible proteins interacting with NLRP3. Co-IP and various molecular biology techniques were used to investigate the possible modes regulating NLRP3 by DTX3L. EthD-III, PI staining and LDH assays demonstrated pyroptosis induced by OGD/R injury, mediated via NLRP3 pathway. Mass spectrometry and bioinformatics analysis screened out three candidate proteins interacting with NLRP3, and further Co-IP experiment indicated that DTX-3L may interact with NLRP3 to regulate its protein levels after injury. Co-IP experiments and various molecular biology methods demonstrated that DTX3L ubiquitinates NLRP3 resulting in pyroptosis after R28 OGD/R injury. Further, NLRP3 LRR and DTX3L RING domains interact with each other. Our study demonstrated that DTX3L may ubiquitinate NLRP3 to regulate OGD/R-induced pyroptosis globally in R28 cells.
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Affiliation(s)
- Ziyu Zhou
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410008, China; The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Lei Shang
- Jiangxi Research Institute of Ophthalmology and Visual Sciences, Affiliated Eye Hospital of Nanchang University, Nanchang 330006, China.
| | - Qi Zhang
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410008, China.
| | - Ximin Hu
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410008, China
| | - Ju-Fang Huang
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410008, China.
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410008, China; Hunan Key Laboratory of Ophthalmology, Changsha 410008, China; Key Laboratory of Emergency and Trauma, Ministry of Education, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, China.
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15
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Leng J, Zhao W, Guo J, Yu G, Zhu G, Ge J, He D, Xu Y, Chen X, Zhou Y, Liu B. E-prostanoid 3 receptor deficiency on myeloid cells protects against ischemic acute kidney injury via breaking the auto-amplification loop of necroinflammation. Kidney Int 2023; 103:100-114. [PMID: 36087809 DOI: 10.1016/j.kint.2022.08.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 07/06/2022] [Accepted: 08/01/2022] [Indexed: 02/05/2023]
Abstract
Necroinflammation plays an important role in disease settings such as acute kidney injury (AKI). We and others have elucidated that prostaglandins, which are critically involved in inflammation, may activate E-prostanoid 3 receptor (EP3) at low concentrations. However, how EP3 blockade interacts with regulated cell death and affects AKI remains unknown. In this study, AKI was induced by ischemia-reperfusion (30 minutes/24 hours) in Ep3 knockout (Ep3-/-), bone marrow chimeric, myeloid conditional EP3 knockout and corresponding control mice. The production of prostaglandins E2 and I2 was markedly increased after ischemia-reperfusion, and either abrogation or antagonism of EP3 ameliorated the injury. EP3 deficiency curbed inflammatory cytokine release, neutrophil infiltration and serum high-mobility group box 1 levels, but additional TLR4 inhibition with TAK-242 did not offer further protection against the injury and inflammation. The protection of Ep3-/- was predominantly mediated by suppressing Mixed Lineage Kinase domain-Like-dependent necroptosis, resulting from the inhibition of cytokine generation and the switching of cell death modality from necroptosis to apoptosis through caspase-8 up-regulation, in part due to the restraint of IL-6/JAK2/STAT3 signaling. EP3 deficiency failed to further alleviate the injury when necroptosis was inhibited. Ep3-/- in bone marrow-derived cells, particularly that in myeloid cells, protected kidneys to the same extent as that of global EP3 deletion. Thus, our results demonstrate that EP3 deficiency especially that on myeloid cells, ameliorates ischemic AKI via curbing inflammation and breaking the auto-amplification loop of necroinflammation. Hence, EP3 may be a promising target for the prevention and/or treatment of AKI.
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Affiliation(s)
- Jing Leng
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Wen Zhao
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Jinwei Guo
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Gang Yu
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Guanghui Zhu
- Department of Forensic Medicine, Shantou University Medical College, Shantou, China
| | - Jiahui Ge
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Dong He
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Yineng Xu
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Xijian Chen
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Yingbi Zhou
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China.
| | - Bin Liu
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China.
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16
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Cai Q, Sun Z, Xu S, Jiao X, Guo S, Li Y, Wu H, Yu X. Disulfiram ameliorates ischemia/reperfusion-induced acute kidney injury by suppressing the caspase-11-GSDMD pathway. Ren Fail 2022; 44:1169-1181. [PMID: 35837696 PMCID: PMC9291718 DOI: 10.1080/0886022x.2022.2098764] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
Acute kidney injury (AKI) is a serious condition with high mortality. The most common cause is kidney ischemia/reperfusion (IR) injury, which is thought to be closely related to pyroptosis. Disulfiram is a well-known alcohol abuse drug, and recent studies have shown its ability to mitigate pyroptosis in mouse macrophages. This study investigated whether disulfiram could improve IR-induced AKI and elucidated the possible molecular mechanism. We generated an IR model in mouse kidneys and a hypoxia/reoxygenation (HR) injury model with murine tubular epithelial cells (MTECs). The results showed that IR caused renal dysfunction in mice and triggered pyroptosis in renal tubular epithelial cells, and disulfiram improved renal impairment after IR. The expression of proteins associated with the classical pyroptosis pathway (Nucleotide-binding oligomeric domain (NOD)-like receptor protein 3 (NLRP3), apoptosis-related specific protein (ASC), caspase-1, N-GSDMD) and nonclassical pyroptosis pathway (caspase-11, N-GSDMD) were upregulated after IR. Disulfiram blocked the upregulation of nonclassical but not all classical pyroptosis pathway proteins (NLRP3 and ASC), suggesting that disulfiram might reduce pyroptosis by inhibiting the caspase-11-GSDMD pathway. In vitro, HR increased intracellular ROS levels, the positive rate of PI staining and LDH levels in MTECs, all of which were reversed by disulfiram pretreatment. Furthermore, we performed a computer simulation of the TIR domain of TLR4 using homology modeling and identified a small molecular binding energy between disulfiram and the TIR domain. We concluded that disulfiram might inhibit pyroptosis by antagonizing TLR4 and inhibiting the caspase-11-GSDMD pathway.
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Affiliation(s)
- Qiaoting Cai
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China
| | - Zhaoxing Sun
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China
| | - Sujuan Xu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China
| | - Xiaoyan Jiao
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China
| | - Shulan Guo
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China
| | - Yingxiang Li
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China
| | - Huan Wu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China
| | - Xiaofang Yu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center for Kidney, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purifcation, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China
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17
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Uysal E, Dokur M, Kucukdurmaz F, Altınay S, Polat S, Batcıoglu K, Sezgın E, Sapmaz Erçakallı T, Yaylalı A, Yılmaztekin Y, Cetın Z, Saygılı İ, Barut O, Kazımoglu H, Maralcan G, Koc S, Guney T, Eser N, Sökücü M, Dokur SN. Targeting the PANoptosome with 3,4-Methylenedioxy-β-Nitrostyrene, Reduces PANoptosis and Protects the Kidney against Renal İschemia-Reperfusion Injury. J INVEST SURG 2022; 35:1824-1835. [PMID: 36170987 DOI: 10.1080/08941939.2022.2128117] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/23/2022] [Accepted: 09/17/2022] [Indexed: 10/14/2022]
Abstract
OBJECTIVES The objectives of this study were a) to investigate the effect of targeting the PANoptosome with 3,4-methylenedioxy-β-nitrostyrene (MNS) on PANoptosis in the Renal ischemia-reperfussion (RIR) model b) to investigate the kidney protective effect of MNS toward RIR injury. METHODS Thirty-two rats were divided into four groups randomly. The groups were assigned as Control, Sham, DMSO (dimethyl sulfoxide) and MNS groups. The rats in the MNS group were intraperitoneally given 20 mg/kg of MNS 30 minutes before reperfusion. 2% DMSO solvent that dissolves MNS were given to the rats in DMSO group. Left nephrectomy was performed on the rats under anesthesia at the 6th hour after reperfusion. Glutathione peroxidase (GPx), malondialdehyde (MDA), catalase (CAT), superoxide dismutase (SOD) and 8-Okso-2'-deoksiguanozin (8-OHdG) levels were measured. Immunohistochemical analysis, electron microscopic and histological examinations were carried out in the tissues. RESULTS Total tubular injury score was lower in the MNS group (p < 0.001). Caspase-3, Gasdermin D and MLK (Mixed Lineage Kinase Domain Like Pseudokinase) expressions were considerably decreased in the MNS group (p < 0.001). Apoptotic index (AI) was found to be low in the MNS group (p < 0.001). CAT and SOD levels were higher in the MNS Group (p = 0.006, p = 0.0004, respectively). GPx, MDA, and 8-OH-dG levels were similar (p > 0.05) in all groups. MNS considerably improved the tissue structure, based on the electron microscopic analysis. CONCLUSIONS Our results suggested that MNS administrated before the reperfusion reduces pyroptosis, apoptosis and necroptosis. These findings suggest that MNS significantly protects the kidney against RIR injury by reducing PANoptosis as a result of specific inhibition of Nod-like receptor pyrin domain-containing 3 (NLRP 3), one of the PANoptosome proteins.
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Affiliation(s)
- Erdal Uysal
- Department of General Surgery, Sanko University School of Medicine, Gaziantep, Turkey
| | - Mehmet Dokur
- Department of Emergency Medicine, Biruni University Faculty of Medicine, İstanbul, Turkey
| | - Faruk Kucukdurmaz
- Department of Urology, Sanko University School of Medicine, Gaziantep, Turkey
| | - Serdar Altınay
- Deparment of Pathology, Bakırköy Dr Sadi Konuk Health Aplication and Research Center, University of Health Sciences, School of Medicine, İstanbul, Turkey
| | - Sait Polat
- Department of Histology and Embryology, Çukurova University, Faculty of Medicine, Adana, Turkey
| | - Kadir Batcıoglu
- Department of Biochemistry Malatya, Inonu University Faculty of Pharmacy, Battalgazi, Turkey
| | - Efe Sezgın
- Izmir Yuksek Teknoloji Enstitusu, Laboratory of Nutrigenomics and Epidemiology, Food Engineering, Izmir Institute of Technology, İzmir, Turkey
| | - Tuğçe Sapmaz Erçakallı
- Department of Histology and Embryology, Çukurova University, Faculty of Medicine, Adana, Turkey
| | - Aslı Yaylalı
- Faculty of Medicine, Department of Histology and Embryology and IVF Center, Kahramanmaraş Sütçü İmam University, Kahramanmaraş, Turkey
| | - Yakup Yılmaztekin
- Faculty of Pharmacy Department of Biochemistry, Inonu University, Malatya, Turkey
| | - Zafer Cetın
- Department of Medical Biology, Sanko University School of Medicine, Gaziantep, Turkey
| | - İlker Saygılı
- Department of Biochemistry, Sanko University School of Medicine, Gaziantep, Turkey
| | - Osman Barut
- Department of Urology, Kahramanmaras Sutcu Imam University Faculty of Medicine, Kahramanmaras, Turkey
| | - Hatem Kazımoglu
- Department of Urology, Sanko University School of Medicine, Gaziantep, Turkey
| | - Gokturk Maralcan
- Department of General Surgery, Sanko University School of Medicine, Gaziantep, Turkey
| | - Suna Koc
- Department of Anesthesiology and Reanimation, Biruni University Faculty of Medicine, Istanbul, Turkey
| | - Turkan Guney
- Department of Medical Biochemistry, Beykent University, Faculty of Medicine, Istanbul, Turkey
| | - Nadire Eser
- Department of Pharmacology, Kahramanmaraş Sütçü İmam University, Faculty of Medicine, Kahramanmaraş, Turkey
| | - Mehmet Sökücü
- Department of Patology, Sanko University School of Medicine, Gaziantep, Turkey
| | - Sema Nur Dokur
- Faculty of Medicine, Biruni University, Istanbul, Turkey
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Saritas H, Demirel HH, Bulbul A, Gorucu F, Uğurlu Z, Koc Y, Demirkan I, Saritas ZK. Myrtus Communis (Myrtle Tree: leaf and body) extract in Rat Renal Ischemia/Reperfusion injury. JOURNAL OF CLINICAL AND EXPERIMENTAL INVESTIGATIONS 2022. [DOI: 10.29333/jcei/12410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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19
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Feng R, Xiong Y, Lei Y, Huang Q, Liu H, Zhao X, Chen Z, Chen H, Liu X, Wang L, Weng X. Lysine-specific demethylase 1 aggravated oxidative stress and ferroptosis induced by renal ischemia and reperfusion injury through activation of TLR4/NOX4 pathway in mice. J Cell Mol Med 2022; 26:4254-4267. [PMID: 35775122 PMCID: PMC9344828 DOI: 10.1111/jcmm.17444] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 04/12/2022] [Accepted: 05/11/2022] [Indexed: 01/20/2023] Open
Abstract
Acute kidney injury (AKI) is mainly caused by renal ischaemia reperfusion injury (IRI). Lots of evidence suggests that ferroptosis and oxidative stress play the vital role in renal IRI. However, the specific mechanism of renal IRI has not been fully elucidated. lysine‐specific demethylase 1 (LSD1) has been shown to regulate the pathogenesis of kidney disease. In this study, we firstly found that LSD1 was positively related to renal IRI. TCP, a classical LSD1 inhibitor, could alleviate tissue damage induced by renal IRI. Inhibition of LSD1 with either TCP or LSD1 knockdown could alleviate ferroptosis and oxidative stress caused by IRI both in vivo and in vitro. Furthermore, the results showed that suppression of LSD1 decreased the expression of TLR4/NOX4 pathway in HK‐2 cells subjected to H/R. With the si‐RNA against TLR4 or NOX4, it showed that the silence of TLR4/NOX4 reduced oxidative stress and ferroptosis in vitro. Moreover, to demonstrate the crucial role of TLR4/NOX4, TLR4 reduction, mediated by inhibition of LSD1, was compensated through delivering the adenovirus carrying TLR4 in vitro. The results showed that the compensation of TLR4 blunted the alleviation of oxidative stress and ferroptosis, induced by LSD1 inhibition. Further study showed that LSD1 activates TLR4/NOX4 pathway by reducing the enrichment of H3K9me2 in the TLR4 promoter region. In conclusion, our results demonstrated that LSD1 inhibition blocked ferroptosis and oxidative stress caused by renal IRI through the TLR4/NOX4 pathway, indicating that LSD1 could be a potential therapeutic target for renal IRI.
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Affiliation(s)
- Ruikang Feng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yufeng Xiong
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yourong Lei
- Department of infection prevention and control, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qin Huang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hao Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaojie Zhao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhiyuan Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hui Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiuheng Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lei Wang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaodong Weng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
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MSC-Derived Extracellular Vesicles Activate Mitophagy to Alleviate Renal Ischemia/Reperfusion Injury via the miR-223-3p/NLRP3 Axis. Stem Cells Int 2022; 2022:6852661. [PMID: 35646124 PMCID: PMC9142309 DOI: 10.1155/2022/6852661] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 04/30/2022] [Indexed: 11/29/2022] Open
Abstract
Background MSC-derived extracellular vehicles (EVs) exhibit a protective functional role in renal ischemia/reperfusion injury (RIRI). Recent studies have revealed that mitophagy could be a potential target process in the treatment of RIRI. However, whether MSC-derived EVs are involved in the regulation of mitophagy in RIRI remains largely unknown to date. Methods RIRI model was established in vivo in mice by subjecting them to renal ischemia/reperfusion. TCMK-1 cells were subjected to hypoxia/reoxygenation (H/R) stimulation to mimic RIRI in vitro. BMSCs and BMSC-derived EVs were isolated and identified. Renal injury was assessed using H&E staining. The qPCR and western blot analyses were conducted to detect the mRNA and protein levels. Apoptosis was evaluated using the TUNEL assay and flow cytometry analysis. The EVs, autophagosomes, and mitochondria were observed using TEM. The colocalization of autophagosomes with mitochondria was confirmed through the confocal assay. The direct binding of miR-223-3p to NLRP3 was validated through the dual-luciferase assay. Results BMSCs and BMSC-derived EVs were successfully isolated from mice and identified. The protective effect of BMSC-derived EVs against RIRI was validated both in vitro and in vivo, which was indicated by a decrease in apoptosis and inflammasome activation and an increase in mitophagy. However, this protective effect was impaired in the miR-223-3p-depleted EVs, suggesting that miR-223-3p mediated this protective effect. Further mechanistic investigation revealed that miR-223-3p suppressed inflammasome activation to enhance mitophagy by directly targeting NLRP3. Conclusion In conclusion, the protective role of BMSC-derived EVs and exosome-delivered miR-223-3p in RIRI was validated. Exogenous miR-223-3p directly targeted NLRP3 to attenuate inflammasome activation, thereby promoting mitophagy.
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21
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Li C, Chen QY, He Y, Liu YH, Meng XM, Liu MM. Discovery of a chalcone derivative as potent necroptosis inhibitor for the treatment of acute kidney injury. Clin Exp Pharmacol Physiol 2022; 49:824-835. [PMID: 35579574 DOI: 10.1111/1440-1681.13670] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 04/30/2022] [Accepted: 05/10/2022] [Indexed: 11/28/2022]
Abstract
Necroptosis, a form of inflammation-related programmed cell death, is a major mechanism of proximal tubular cell injury in acute kidney injury (AKI). Blockade of necroptosis signaling represents a promising strategy for clinical therapy of AKI. Previously, we identified a small molecular RIPK1 inhibitor Cpd-71 with nephroprotective activities. In order to discover more nephroprotective agents, in this study, twenty chalcone derivatives were synthesized and evaluated for their anti-necroptosis and nephroprotective activities. Among the chalcone derivatives, Cpd-2 exhibited the most potent anti-necroptosis activity (IC50 = 1.08 μM) and protective activity (EC50 = 1.49 μM) through directly binding to RIPK1 and blocking RIPK1-RIPK3-MLKL signaling pathway. Furthermore, Cpd-2 effectively attenuated cisplatin or hypoxia/reoxygenation (H/R)-induced injury and necroptotic inflammation in renal cell models. Moreover, in cisplatin- or ischemia/reperfusion (I/R) induced AKI mouse model, detection of creatinine and urea nitrogen in blood showed that Cpd-2 improved kidney function. PAS staining and immunofluorescence analysis indicated that Cpd-2 also reduced pathological damage and inhibited inflammatory development in kidney tissues. In summary, although some chalcone derivatives have been reported to prevent kidney injury previously, our present study not only discovered a promising leading compound Cpd-2, but also provided a novel and successful practice for the development of necroptosis inhibitors from natural products derivatives as AKI therapeutic agents. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Chao Li
- School of Pharmacy, Anhui Province Key Laboratory of Inflammation and Immune Diseases, Anhui Medical University, Hefei, China
| | - Qiang-Yu Chen
- School of Pharmacy, Anhui Province Key Laboratory of Inflammation and Immune Diseases, Anhui Medical University, Hefei, China
| | - Yuan He
- School of Pharmacy, Anhui Province Key Laboratory of Inflammation and Immune Diseases, Anhui Medical University, Hefei, China
| | - Yu-Hai Liu
- Dept of Emergency and Minimally Invasive Surgery, The Third Affiliated Hospital of Anhui Medical University, The First People's Hospital of Hefei, Binhu Hospital District, Hefei
| | - Xiao-Ming Meng
- School of Pharmacy, Anhui Province Key Laboratory of Inflammation and Immune Diseases, Anhui Medical University, Hefei, China
| | - Ming-Ming Liu
- School of Pharmacy, Anhui Province Key Laboratory of Inflammation and Immune Diseases, Anhui Medical University, Hefei, China
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22
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Liao YJ, Ma YX, Huang LL, Zhang Z, Tan FY, Deng LL, Cao D, Zeng XJ, Yu GQ, Liao XH. Augmenter of liver regeneration protects the kidney against ischemia-reperfusion injury by inhibiting necroptosis. Bioengineered 2022; 13:5152-5167. [PMID: 35164651 PMCID: PMC8974178 DOI: 10.1080/21655979.2022.2037248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Necroptosis plays an important role in the pathogenesis of acute kidney injury (AKI), and necroptosis-related interventions may therefore be an important measure for the treatment of AKI. Our previous study has shown that augmenter of liver regeneration (ALR) inhibits renal tubular epithelial cell apoptosis and regulates autophagy; however, the influence of ALR on necroptosis remains unclear. In this study, we investigated the effect of ALR on necroptosis caused by ischemia-reperfusion and the underlying mechanism. In vivo experiments indicated that kidney-specific knockout of ALR aggravated the renal dysfunction and pathological damage induced by ischemia-reperfusion. Simultaneously, the expression of renal necroptosis-associated protein receptor-interacting protein 1 (RIP1), receptor-interacting protein 3 (RIP3), and mixed-lineage kinase domain-like protein (MLKL) significantly increased. In vitro experiments indicated that overexpression of ALR decreased the expression of hypoxia-reoxygenation-induced kidney injury molecules, the inflammation-associated factor tumor necrosis factor-alpha (TNF-α), and monocyte chemotactic protein. Additionally, the expression of RIP1, RIP3, and MLKL, which are elevated after hypoxia and reoxygenation, was also inhibited by ALR overexpression. Both in vivo and in vitro results indicated that ALR has a protective effect against acute kidney injury caused by ischemia-reperfusion, and the RIP1/RIP3/MLKL pathway should be further verified as a probable necroptosis regulating mechanism.
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Affiliation(s)
- Yue-Juan Liao
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yi-Xin Ma
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Li-Li Huang
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Zheng Zhang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Fang-Yan Tan
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Li-Li Deng
- Department of Nephrology, Chongqing Sanbo Changan Hospital, Chongqing, China
| | - Dan Cao
- Department of Nephrology, The Fifth Hospital of Chongqing, Chongqing, China
| | - Xu-Jia Zeng
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Gui-Quan Yu
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Xiao-Hui Liao
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Inhibition of the NADPH Oxidase Pathway Reduces Ferroptosis during Septic Renal Injury in Diabetic Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1193734. [PMID: 35265258 PMCID: PMC8898803 DOI: 10.1155/2022/1193734] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 01/25/2022] [Accepted: 02/03/2022] [Indexed: 12/21/2022]
Abstract
Background Obesity and type 2 diabetes mellitus (DM) contribute to a higher mortality rate in patients with septic acute kidney injury (AKI) during sepsis. Reactive oxygen species (ROS) is the major injury factor for sepsis. This study was aimed at exploring the potential therapeutic drug for septic AKI targeting on ROS. Methods A murine septic AKI model was established in both wild-type and high-fat diet-fed (HFD) mice. NADPH oxidase inhibitor Vas2870 was used in vivo to explore the role of NADPH oxidase in ROS release in septic AKI in diabetic mice. Ferrostatin-1 was administered to investigate the role of ferroptosis in ROS accumulation during NADPH oxidase activating in septic AKI in diabetic mice. Results Compared to chow diet-fed mice, HFD diabetic mice which were subjected to LPS exhibited aggravated renal function (blood urea nitrogen, creatinine clearance, and serum cystatin C) and oxidative stress (malondialdehyde, 4-HNE, ROS, 8-OHdG, and NADPH oxidase), thus resulting in a higher mortality rate. Septic renal injury was significantly attenuated by the ferroptosis inhibitor Fer-1 in HFD-challenged mice. Furthermore, ferroptosis accumulation and related protein expression (ASCL4, FTH1, and GPX4) were altered by LPS stimulation in HFD-challenged mice and suppressed by NADPH oxidase inhibition via Vas2870 in vivo. In summary, NADPH inhibition restored septic renal function from injury by suppressing ferroptosis accumulation in HFD-challenged mice. Conclusion These results suggest that targeting NADPH-mediated ROS release and ferroptosis accumulation is a novel therapeutic strategy to protect the kidney from septic injury in patients with obesity and type 2 DM.
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Hinojosa-Laborde C, Hudson IL, Ross E, Xiang L, Ryan KL. Pathophysiology of Hemorrhage as It Relates to the Warfighter. Physiology (Bethesda) 2022; 37:141-153. [PMID: 35001653 PMCID: PMC8977138 DOI: 10.1152/physiol.00028.2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Saving lives of wounded military Warfighters often depends on the ability to resolve or mitigate the pathophysiology of hemorrhage, specifically diminished oxygen delivery to vital organs that leads to multi-organ failure and death. However, caring for hemorrhaging patients on the battlefield presents unique challenges that extend beyond applying a tourniquet and giving a blood transfusion, especially when battlefield care must be provided for a prolonged period. This review will describe these challenges and potential strategies for treating hemorrhage on the battlefield in a prolonged casualty care situation.
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Affiliation(s)
| | - Ian L Hudson
- U.S. Army Institute of Surgical Research, JBSA Fort Sam Houston, TX, United States
| | - Evan Ross
- U.S. Army Institute of Surgical Research, JBSA Fort Sam Houston, TX, United States
| | - Lusha Xiang
- U.S. Army Institute of Surgical Research, JBSA Fort Sam Houston, TX, United States
| | - Kathy L Ryan
- U.S. Army Institute of Surgical Research, JBSA Fort Sam Houston, TX, United States
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25
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Zhao X, Yang L, Qin L. Methyltransferase-like 3 (METTL3) attenuates cardiomyocyte apoptosis with myocardial ischemia-reperfusion (I/R) injury through miR-25-3p and miR-873-5p. Cell Biol Int 2021; 46:992. [PMID: 34553450 DOI: 10.1002/cbin.11706] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Methyltransferase-like 3 (METTL3) mediated N6 -methyladenosine (m6A) promotes microRNAs (miRNAs) maturation by processing the primary miRNAs, and METTL3 involves in regulating the development of various diseases, including myocardial ischemia-reperfusion (I/R) injury. However, up until now, the association between METTL3 regulated miRNAs and I/R injury is not fully investigated, which makes investigations on this academic issue necessary. In this study, we showed that METTL3 was downregulated in mice I/R myocardial tissues and hypoxic/re-oxygenated (H/R) cardiomyocytes, and upregulation of METTL3 attenuated I/R and H/R-induced cell apoptosis. In addition, we screened out that two miRNAs, including miR-25-3p and miR-873-5p, were positively regulated by METTL3 in cardiomyocytes in a DGCR8-dependent manner. In addition, both miR-25-3p and miR-873-5p were significantly downregulated by I/R and H/R treatments in mice tissues and cardiomyocytes, and overexpression of the above two miRNAs were effective to improve cell viability in cardiomyocytes under H/R stress. Next, we evidenced that METTL3 suppressed H/R-induced cell death via upregulating miR-25-3p and miR-873-5p. Finally, the potential downstream mechanisms were investigated, and we expectedly found that METTL3 activated the PI3K/Akt pathway in H/R-treated cardiomyocytes through modulating miR-25-3p and miR-873-5p, and the PI3K/Akt pathway inhibitor (LY294002) abrogated the protective effects of METTL3 overexpression in cardiomyocytes with H/R treatment. Collectively, we concluded that METTL3 upregulated miR-25-3p and miR-873-5p to activate the PI3K/Akt pathway, resulting in the suppression of I/R injury.
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Affiliation(s)
- Xiangmei Zhao
- Department of Emergency, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, Henan, China
| | - Lei Yang
- Department of Emergency, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, Henan, China
| | - Lijie Qin
- Department of Emergency, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, Henan, China
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Chen Y, Fan H, Wang S, Tang G, Zhai C, Shen L. Ferroptosis: A Novel Therapeutic Target for Ischemia-Reperfusion Injury. Front Cell Dev Biol 2021; 9:688605. [PMID: 34447746 PMCID: PMC8384466 DOI: 10.3389/fcell.2021.688605] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 07/20/2021] [Indexed: 12/13/2022] Open
Abstract
Ischemia-reperfusion (I/R) injury is a major cause of cell death and organ damage in numerous pathologies, including myocardial infarction, stroke, and acute kidney injury. Current treatment methods for I/R injury are limited. Ferroptosis, which is a newly uncovered type of regulated cell death characterized by iron overload and lipid peroxidation accumulation, has been investigated in various diseases. There is increasing evidence of a close association between ferroptosis and I/R injury, with ferroptosis frequently identified as a new therapeutic target for the management of I/R injury. This review summarizes the current status of ferroptosis and discusses its relationship with I/R injury, as well as potential treatment strategies targeting it.
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Affiliation(s)
- Yunqing Chen
- Department of Infectious Disease, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Hongyan Fan
- Department of Cardiology, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Shijun Wang
- Department of Cardiology, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Guanmin Tang
- Department of Cardiology, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Changlin Zhai
- Department of Cardiology, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Liang Shen
- Department of Cardiology, The Affiliated Hospital of Jiaxing University, Jiaxing, China
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Tian L, Wang S, Zhao L, Lu X, Zhu C, Gong H, Yang W. Renoprotective effects of levosimendan on acute kidney injury following cardiac arrest via anti-inflammation, anti-apoptosis, and ERK activation. FEBS Open Bio 2021. [PMID: 34115930 PMCID: PMC8329773 DOI: 10.1002/2211-5463.13227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 06/03/2021] [Accepted: 06/10/2021] [Indexed: 01/14/2023] Open
Abstract
ATP‐sensitive potassium channels (KATPs) have protective effects in ischemia–reperfusion‐induced injuries and can be activated by levosimendan. This study investigated the effects of levosimendan on renal injury, inflammation, apoptosis, and survival in a rat model of acute kidney injury (AKI) following cardiac arrest (CA) and cardiopulmonary resuscitation (CPR). Rats underwent a 5‐min asphyxia‐based CA and resuscitation. The rats were treated with levosimendan after successful resuscitation. Renal functions, histological changes, inflammatory responses, and apoptosis were examined. NRK‐52E cells treated by hypoxia/reoxygenation (H/R) were used to establish an in vitro CA‐CPR model. Rats in the CA‐induced AKI group had a low survival rate and increased levels of creatinine, blood urea nitrogen, and proinflammatory cytokines, as well as increased tubular injury. These results were significantly reversed after treatment with levosimendan. Levosimendan downregulated the expression of the apoptosis‐related proteins Bax, cleaved caspase‐3, and cleaved caspase‐9, as well as upregulated Bcl‐2 and p‐ERK expression in vivo and in vitro. Thus, our data suggest that levosimendan reduces mortality and AKI following CA and CPR via suppression of inflammation and apoptosis, and activation of ERK signaling.
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Affiliation(s)
- Lei Tian
- Department of Emergency, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, China
| | - Shiwei Wang
- Department of Emergency, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, China
| | - Li Zhao
- Department of Emergency, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, China
| | - Xiaoye Lu
- Department of Emergency, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, China
| | - Changqing Zhu
- Department of Emergency, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, China
| | - Hao Gong
- Department of Emergency, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, China
| | - Weiqiang Yang
- Department of Emergency, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, China
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Ke J, Zhao F, Luo Y, Deng F, Wu X. MiR-124 Negatively Regulated PARP1 to Alleviate Renal Ischemia-reperfusion Injury by Inhibiting TNFα/RIP1/RIP3 Pathway. Int J Biol Sci 2021; 17:2099-2111. [PMID: 34131409 PMCID: PMC8193263 DOI: 10.7150/ijbs.58163] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/28/2021] [Indexed: 12/01/2022] Open
Abstract
Renal ischemia-reperfusion injury (IRI) is one of the underlying causes of acute kidney injury and also an unavoidable problem in renal transplantation. Lots of miRNAs and targets have been found to participate in some post-transcriptional processes in renal IRI, however, the detailed knowledge of miRNA targets and mechanism is unknown. In this study, miR-124 was found inhibited and PARP1 was overexpressed in renal IRI cells and mouse models. Dual-luciferase reporter assay revealed that miR-124 post-transcriptionally regulated PAPR1 3′UTR activity. Our results also demonstrated miR-124 negatively regulated PARP1 which played a role in necroptosis of renal ischemia-reperfusion injury by activating TNFα. TNFα induced the RIP1/RIP3 necroptosis signaling pathway to aggravate the renal injury. Collectively, these studies identified PARP1 as a direct target of miR-124 and activated RIP1/RIP3 necroptosis signaling pathway through TNFα. It elucidated the protective effect of miR-124 in renal ischemia-reperfusion injury, which demonstrated the regulatory mechanism of miR-124/PARP1 in renal injury and exhibited the potential as a novel therapeutic for the treatment of renal IRI.
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Affiliation(s)
- Jing Ke
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Endocrinology, Ezhou Central Hospital, Ezhou, Hubei, China
| | - Fan Zhao
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yanwen Luo
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fangjing Deng
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiongfei Wu
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
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Melittin Ameliorates Endotoxin-Induced Acute Kidney Injury by Inhibiting Inflammation, Oxidative Stress, and Cell Death in Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8843051. [PMID: 33488946 PMCID: PMC7803412 DOI: 10.1155/2021/8843051] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/28/2020] [Accepted: 12/22/2020] [Indexed: 02/06/2023]
Abstract
Sepsis-related acute kidney injury (AKI) is a worldwide health problem, and its pathogenesis involves multiple pathways. Lipopolysaccharide (LPS) is an endotoxin that induces systemic inflammatory responses. Melittin, a main constituent of bee venom, exerts several biological activities such as antioxidant, anti-inflammatory, and antiapoptotic actions. However, whether melittin protects against endotoxin-induced AKI remains undetermined. Here, we aimed to examine the potential action of melittin on LPS-induced renal injury and explore the mechanisms. We showed that acute renal failure and structural damage after injection of LPS were markedly attenuated by administration of melittin. The peptide also suppressed expression of markers of direct tubular damage in kidneys of the LPS-treated mice. Mechanistically, melittin reduced systemic and renal levels of cytokines and inhibited renal accumulation of immune cells with concomitant suppression of nuclear factor kappa-B pathway. Increased amounts of lipid peroxidation products after LPS treatment were largely decreased by melittin. Additionally, the peptide decreased expression of nicotinamide adenine dinucleotide phosphate oxidase 4 and enhanced nuclear factor erythroid-2-related factor 2-mediated antioxidant defenses. Moreover, melittin inhibited apoptotic and necroptotic cell death after LPS treatment. Lastly, we showed that melittin improved the survival rate of LPS-injected mice. These results suggest that melittin ameliorates endotoxin-induced AKI and mortality through inhibiting inflammation, oxidative injury, and apoptotic and necroptotic death of tubular epithelial cells.
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Dong Q, Jie Y, Ma J, Li C, Xin T, Yang D. Wnt/β-catenin signaling pathway promotes renal ischemia-reperfusion injury through inducing oxidative stress and inflammation response. J Recept Signal Transduct Res 2020; 41:15-18. [PMID: 32580617 DOI: 10.1080/10799893.2020.1783555] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Oxidative stress and inflammation response have been found to be associated with renal ischemia reperfusion (I/R) injury through an undefined mechanism. The aim of our study is to explore the influence of Wnt/β-catenin signaling pathway on oxidative stress and inflammation response during renal I/R injury. The results of our study demonstrated that oxidative stress was induced whereas antioxidative factors were suppressed by renal I/R injury. Besides, the transcriptions and activities of pro-inflammation factors were also upregulated by renal I/R injury. Interestingly, inhibition of Wnt/β-catenin signaling pathway significantly attenuated I/R-mediated oxidative stress and inflammation response. Therefore, our results report a novel pathway responsible for renal I/R injury. Inhibition of Wnt/β-catenin signaling pathway would be considered as an effective approach to regulate oxidative stress and inflammation response in reperfused kidney.
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Affiliation(s)
- Qi Dong
- Department of Nephrology, Tianjin Hospital, Tianjin, P.R. China
| | - Yingxin Jie
- Department of Emergency, Tianjin Hospital, Tianjin, P.R. China
| | - Jian Ma
- Tianjin Women's and Children's Health Center, Tianjin Hospital, Tianjin, P.R. China
| | - Chen Li
- Department of Orthopaedics, Tianjin Hospital, Tianjin, P.R. China
| | - Ting Xin
- Department of Cardiology, Tianjin First Central Hospital, Tianjin, P.R. China
| | - Dingwei Yang
- Department of Nephrology, Tianjin Hospital, Tianjin, P.R. China
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