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Chen G, Wang Y, Zhang L, Yang K, Wang X, Chen X. Research progress on miR-124-3p in the field of kidney disease. BMC Nephrol 2024; 25:252. [PMID: 39112935 PMCID: PMC11308398 DOI: 10.1186/s12882-024-03688-7] [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: 02/24/2024] [Accepted: 07/26/2024] [Indexed: 08/10/2024] Open
Abstract
MicroRNAs (miRNAs) are 18-25 nucleotides long, single-stranded, non-coding RNA molecules that regulate gene expression. They play a crucial role in maintaining normal cellular functions and homeostasis in organisms. Studies have shown that miR-124-3p is highly expressed in brain tissue and plays a significant role in nervous system development. It is also described as a tumor suppressor, regulating biological processes like cancer cell proliferation, apoptosis, migration, and invasion by controlling multiple downstream target genes. miR-124-3p has been found to be involved in the progression of various kidney diseases, including diabetic kidney disease, calcium oxalate kidney stones, acute kidney injury, lupus nephritis, and renal interstitial fibrosis. It mediates these processes through mechanisms like oxidative stress, inflammation, autophagy, and ferroptosis. To lay the foundation for future therapeutic strategies, this research group reviewed recent studies on the functional roles of miR-124-3p in renal diseases and the regulation of its downstream target genes. Additionally, the feasibility, limitations, and potential application of miR-124-3p as a diagnostic biomarker and therapeutic target were thoroughly investigated.
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Affiliation(s)
- Guanting Chen
- Department of Nephrology, First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan Province, 450003, China
- Collaborative Innovation Center of Prevention and Treatment of Major Diseases by Chinese and Western Medicine, Zhengzhou, Henan Province, 450003, China
| | - Yaoxian Wang
- Henan University of Chinese Medicine, Zhengzhou, Henan Province, 450003, China.
- Collaborative Innovation Center of Prevention and Treatment of Major Diseases by Chinese and Western Medicine, Zhengzhou, Henan Province, 450003, China.
| | - Linqi Zhang
- Department of Nephrology, First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan Province, 450003, China.
- Collaborative Innovation Center of Prevention and Treatment of Major Diseases by Chinese and Western Medicine, Zhengzhou, Henan Province, 450003, China.
| | - Kang Yang
- Department of Nephrology, First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan Province, 450003, China
- Collaborative Innovation Center of Prevention and Treatment of Major Diseases by Chinese and Western Medicine, Zhengzhou, Henan Province, 450003, China
| | - Xixi Wang
- Department of Nephrology, First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan Province, 450003, China
- Collaborative Innovation Center of Prevention and Treatment of Major Diseases by Chinese and Western Medicine, Zhengzhou, Henan Province, 450003, China
| | - Xu Chen
- Department of Nephrology, First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan Province, 450003, China
- Collaborative Innovation Center of Prevention and Treatment of Major Diseases by Chinese and Western Medicine, Zhengzhou, Henan Province, 450003, China
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2
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Ge WD, Du TT, Wang CY, Sun LN, Wang YQ. Calcium signaling crosstalk between the endoplasmic reticulum and mitochondria, a new drug development strategies of kidney diseases. Biochem Pharmacol 2024; 225:116278. [PMID: 38740223 DOI: 10.1016/j.bcp.2024.116278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 04/25/2024] [Accepted: 05/10/2024] [Indexed: 05/16/2024]
Abstract
Calcium (Ca2+) acts as a second messenger and constitutes a complex and large information exchange system between the endoplasmic reticulum (ER) and mitochondria; this process is involved in various life activities, such as energy metabolism, cell proliferation and apoptosis. Increasing evidence has suggested that alterations in Ca2+ crosstalk between the ER and mitochondria, including alterations in ER and mitochondrial Ca2+ channels and related Ca2+ regulatory proteins, such as sarco/endoplasmic reticulum Ca2+-ATPase (SERCA), inositol 1,4,5-trisphosphate receptor (IP3R), and calnexin (CNX), are closely associated with the development of kidney disease. Therapies targeting intracellular Ca2+ signaling have emerged as an emerging field in the treatment of renal diseases. In this review, we focused on recent advances in Ca2+ signaling, ER and mitochondrial Ca2+ monitoring methods and Ca2+ homeostasis in the development of renal diseases and sought to identify new targets and insights for the treatment of renal diseases by targeting Ca2+ channels or related Ca2+ regulatory proteins.
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Affiliation(s)
- Wen-Di Ge
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Tian-Tian Du
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Cao-Yang Wang
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Lu-Ning Sun
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China.
| | - Yong-Qing Wang
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China.
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3
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Chen L, Hu J, Lu J, Gong X. Bibliometric and visual analysis of immunisation associated with acute kidney injury from 2003 to 2023. Front Pharmacol 2024; 15:1388527. [PMID: 39011500 PMCID: PMC11246997 DOI: 10.3389/fphar.2024.1388527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 06/06/2024] [Indexed: 07/17/2024] Open
Abstract
Objective This study aims to conduct a detailed bibliometric and visual analysis of acute kidney injury (AKI) and immune-related research conducted over the past two decades, focusing on identifying emerging trends and key areas of interest. Methods The Web of Science Core Collection (WoSCC) was utilised for the meticulous examination of various parameters including publication volume, authorship, geographic distribution, institutional contributions, journal sources, prevalent keywords and citation frequencies. Data were intricately visualised and interpreted using VOSviewer, CiteSpace and Excel 365 software. Results Analysis of the WoSCC database revealed 3,537 articles on AKI and immunisation, originating from 94 countries and regions, involving 3,552 institutions and authored by 18,243 individuals. Notably, the top five countries contributing to this field were the United States, China, Germany, Italy and the United Kingdom, with the United States leading with 35.76% of total publications. Among the 3,552 contributing institutions, those in the United States were predominant, with Harvard University leading with 134 papers and 3,906 citations. Key journals driving productivity included Frontiers in Immunology, Kidney International, Journal of the American Society of Nephrology and International Journal of Molecular Sciences, with Kidney International being the most cited, followed by Journal of the American Society of Nephrology and New England Journal of Medicine. Prominent authors in the field included Ronco Claudio, Okusa Mark D and Anders, Hans-Joachim. Co-citation clustering and timeline analysis highlighted recent research foci such as COVID-19, immune checkpoint inhibitors, regulated necrosis, cirrhosis and AKI. Keyword analysis identified "inflammation," "ischaemia-reperfusion injury," "sepsis," "covid-19," and "oxidative stress" as prevalent terms. Conclusion This study provides the first bibliometric analysis of AKI and immune research, offering a comprehensive overview of research hotspots and evolving trends within the field.
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Affiliation(s)
- Ling Chen
- Department of Nephrology, Seventh People’s Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jing Hu
- Department of Nephrology, Seventh People’s Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jianrao Lu
- Department of Nephrology, Seventh People’s Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xuezhong Gong
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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4
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Chen H, Yin W, Yao K, Liang J, Cai J, Sui X, Zhao X, Zhang J, Xiao J, Li R, Liu Q, Yao J, You G, Liu Y, Jiang C, Qiu X, Wang T, You Q, Zhang Y, Yang M, Zheng J, Dai Z, Yang Y. Mesenchymal Stem Cell Membrane-Camouflaged Liposomes for Biomimetic Delivery of Cyclosporine A for Hepatic Ischemia-Reperfusion Injury Prevention. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2404171. [PMID: 39031840 DOI: 10.1002/advs.202404171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/04/2024] [Indexed: 07/22/2024]
Abstract
Hepatic ischemia-reperfusion injury (HIRI) is a prevalent issue during liver resection and transplantation, with currently no cure or FDA-approved therapy. A promising drug, Cyclosporin A (CsA), ameliorates HIRI by maintaining mitochondrial homeostasis but has systemic side effects due to its low bioavailability and high dosage requirements. This study introduces a biomimetic CsA delivery system that directly targets hepatic lesions using mesenchymal stem cell (MSC) membrane-camouflaged liposomes. These hybrid nanovesicles (NVs), leveraging MSC-derived proteins, demonstrate efficient inflammatory chemotaxis, transendothelial migration, and drug-loading capacity. In a HIRI mouse model, the biomimetic NVs accumulated at liver injury sites entered hepatocytes, and significantly reduced liver damage and restore function using only one-tenth of the CsA dose typically required. Proteomic analysis verifies the protection mechanism, which includes reactive oxygen species inhibition, preservation of mitochondrial integrity, and reduced cellular apoptosis, suggesting potential for this biomimetic strategy in HIRI intervention.
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Affiliation(s)
- Haitian Chen
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Wen Yin
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Kang Yao
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jinliang Liang
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Guangdong province engineering laboratory for transplantation medicine, Guangzhou, China
| | - Jianye Cai
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Xin Sui
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Surgical ICU, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Xuegang Zhao
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Surgical ICU, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jiebin Zhang
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Jiaqi Xiao
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Rong Li
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Guangdong province engineering laboratory for transplantation medicine, Guangzhou, China
| | - Qiuli Liu
- The Biotherapy Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, China
| | - Jia Yao
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Guohua You
- Surgical ICU, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Yasong Liu
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Chenhao Jiang
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Xiaotong Qiu
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Tingting Wang
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Qiang You
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Yingcai Zhang
- Department of Hepatobiliary Surgery, People's Hospital of Xinjiang Uyghur Autonomous Region, Urumqi, 830001, China
| | - Mo Yang
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Jun Zheng
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Zong Dai
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Yang Yang
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
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Lin HYH, Liang CJ, Yang MY, Chen PL, Wang TM, Chen YH, Shih YH, Liu W, Chiu CC, Chiang CK, Lin CS, Lin HC. Critical roles of tubular mitochondrial ATP synthase dysfunction in maleic acid-induced acute kidney injury. Apoptosis 2024; 29:620-634. [PMID: 38281282 PMCID: PMC11055741 DOI: 10.1007/s10495-023-01897-3] [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] [Accepted: 09/22/2023] [Indexed: 01/30/2024]
Abstract
Maleic acid (MA) induces renal tubular cell dysfunction directed to acute kidney injury (AKI). AKI is an increasing global health burden due to its association with mortality and morbidity. However, targeted therapy for AKI is lacking. Previously, we determined mitochondrial-associated proteins are MA-induced AKI affinity proteins. We hypothesized that mitochondrial dysfunction in tubular epithelial cells plays a critical role in AKI. In vivo and in vitro systems have been used to test this hypothesis. For the in vivo model, C57BL/6 mice were intraperitoneally injected with 400 mg/kg body weight MA. For the in vitro model, HK-2 human proximal tubular epithelial cells were treated with 2 mM or 5 mM MA for 24 h. AKI can be induced by administration of MA. In the mice injected with MA, the levels of blood urea nitrogen (BUN) and creatinine in the sera were significantly increased (p < 0.005). From the pathological analysis, MA-induced AKI aggravated renal tubular injuries, increased kidney injury molecule-1 (KIM-1) expression and caused renal tubular cell apoptosis. At the cellular level, mitochondrial dysfunction was found with increasing mitochondrial reactive oxygen species (ROS) (p < 0.001), uncoupled mitochondrial respiration with decreasing electron transfer system activity (p < 0.001), and decreasing ATP production (p < 0.05). Under transmission electron microscope (TEM) examination, the cristae formation of mitochondria was defective in MA-induced AKI. To unveil the potential target in mitochondria, gene expression analysis revealed a significantly lower level of ATPase6 (p < 0.001). Renal mitochondrial protein levels of ATP subunits 5A1 and 5C1 (p < 0.05) were significantly decreased, as confirmed by protein analysis. Our study demonstrated that dysfunction of mitochondria resulting from altered expression of ATP synthase in renal tubular cells is associated with MA-induced AKI. This finding provides a potential novel target to develop new strategies for better prevention and treatment of MA-induced AKI.
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Affiliation(s)
- Hugo Y-H Lin
- Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Department of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1St Road, Kaohsiung, 80708, Taiwan.
| | - Chan-Jung Liang
- Department of Oral Hygiene, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
- Grander Pharmacy, Kaohsiung, Taiwan
| | - Ming-Yu Yang
- College of Medicine, Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan, Taiwan
| | - Phang-Lang Chen
- Department of Biological Chemistry, University of California, Irvine, USA
| | - Tzu-Ming Wang
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Yen-Hua Chen
- School of Medicine, Doctoral Program of Clinical and Experimental Medicine, Institute of Biomedical Sciences, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Yao-Hsiang Shih
- Department of Anatomy, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1St Road, Kaohsiung, 80708, Taiwan
| | - Wangta Liu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Chih-Kang Chiang
- Graduate Institute of Toxicology, National Taiwan University, Taipei, Taiwan
| | - Chang-Shen Lin
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1St Road, Kaohsiung, 80708, Taiwan.
| | - Han-Chen Lin
- Department of Anatomy, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1St Road, Kaohsiung, 80708, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan.
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Xiang H, Li Z, Li Y, Zheng J, Dou M, Xue W, Wu X. Dual-specificity phosphatase 26 protects against kidney injury caused by ischaemia-reperfusion through restraint of TAK1-JNK/p38-mediated apoptosis and inflammation of renal tubular epithelial cells. Toxicol Appl Pharmacol 2024; 487:116954. [PMID: 38705402 DOI: 10.1016/j.taap.2024.116954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Dual-specificity phosphatase 26 (DUSP26) acts as a pivotal player in the transduction of signalling cascades with its dephosphorylating activity. Currently, DUSP26 attracts extensive attention due to its particular function in several pathological conditions. However, whether DUSP26 plays a role in kidney ischaemia-reperfusion (IR) injury is unknown. Aims of the current work were to explore the relevance of DUSP26 in kidney IR damage. DUSP26 levels were found to be decreased in renal tubular epithelial cells following hypoxia-reoxygenation (HR) and kidney samples subjected to IR treatments. DUSP26-overexpressed renal tubular epithelial cells exhibited protection against HR-caused apoptosis and inflammation, while DUSP26-depleted renal tubular epithelial cells were more sensitive to HR damage. Upregulation of DUSP26 in rat kidneys by infecting adenovirus expressing DUSP26 markedly ameliorated kidney injury caused by IR, while also effectively reducing apoptosis and inflammation. The mechanistic studies showed that the activation of transforming growth factor-β-activated kinase 1 (TAK1)-JNK/p38 MAPK, contributing to kidney injury under HR or IR conditions, was restrained by increasing DUSP26 expression. Pharmacological restraint of TAK1 markedly diminished DUSP26-depletion-exacebated effects on JNK/p38 activation and HR injury of renal tubular cells. The work reported a renal-protective function of DUSP26, which protects against IR-related kidney damage via the intervention effects on the TAK1-JNK/p38 axis. The findings laid a foundation for understanding the molecular pathogenesis of kidney IR injury and provide a prospective target for treating this condition.
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Affiliation(s)
- Heli Xiang
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Zepeng Li
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Yang Li
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Jin Zheng
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Meng Dou
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Wujun Xue
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 71006, China
| | - Xiaoyan Wu
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
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Huang HL, Cheng N, Zhou CX, Liang J. Megalin-targeted acetylcysteine polymeric prodrug ameliorates ischemia-reperfusion-induced acute kidney injury. Heliyon 2024; 10:e30947. [PMID: 38770316 PMCID: PMC11103533 DOI: 10.1016/j.heliyon.2024.e30947] [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: 01/07/2024] [Revised: 05/08/2024] [Accepted: 05/08/2024] [Indexed: 05/22/2024] Open
Abstract
Acute kidney injury (AKI), a condition associated with reactive oxygen species (ROS), causes high mortality in clinics annually. Active targeted antioxidative therapy is emerging as a novel strategy for AKI treatment. In this study, we developed a polymeric prodrug that targets the highly expressed Megalin receptor on proximal tubule cells, enabling direct delivery of N-Acetylcysteine (NAC) for the treatment of ischemia reperfusion injury (IRI)-induced AKI. We conjugated NAC with low molecular weight chitosan (LMWC), a biocompatible and biodegradable polymer consisting of glucosamine and N-acetylglucosamine, to enhance its internalization by tubular epithelial cells. Moreover, we further conjugated triphenylphosphonium (TPP), a lipophilic cation with a delocalized positive charge, to low molecular weight chitosan-NAC in order to enhance the distribution of NAC in mitochondria. Our study confirmed that triphenylphosphonium-low molecular weight chitosan-NAC (TLN) exhibits remarkable therapeutic effects on IRI-AKI mice. This was evidenced by improvements in renal function, reduction in oxidative stress, mitigation of pathological progress, and decreased levels of kidney injury molecule-1. These findings suggested that the polymeric prodrug TLN holds promising potential for IRI-AKI treatment.
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Affiliation(s)
- Hao-Le Huang
- Department of Nephrology, the Affiliated People's Hospital of Ningbo University, Ningbo, 315040, China
| | - Na Cheng
- Department of Nephrology, the Affiliated People's Hospital of Ningbo University, Ningbo, 315040, China
| | - Can-Xin Zhou
- Department of Nephrology, the Affiliated People's Hospital of Ningbo University, Ningbo, 315040, China
| | - Jing Liang
- Department of Pharmacy, Zhejiang Hospital, Hangzhou, 310013, China
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8
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Guo Y, Che R, Wang P, Zhang A. Mitochondrial dysfunction in the pathophysiology of renal diseases. Am J Physiol Renal Physiol 2024; 326:F768-F779. [PMID: 38450435 DOI: 10.1152/ajprenal.00189.2023] [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: 07/12/2023] [Revised: 02/20/2024] [Accepted: 02/20/2024] [Indexed: 03/08/2024] Open
Abstract
Mitochondria are essential organelles in the human body, serving as the metabolic factory of the whole organism. When mitochondria are dysfunctional, it can affect all organs of the body. The kidney is rich in mitochondria, and its function is closely related to the development of kidney diseases. Studying the relationship between mitochondria and kidney disease progression is of great interest. In the past decade, scientists have made inspiring progress in investigating the role of mitochondria in the pathophysiology of renal diseases. This article discusses various mechanisms for maintaining mitochondrial quality, including mitochondrial energetics, mitochondrial biogenesis, mitochondrial dynamics, mitochondrial DNA repair, mitochondrial proteolysis and the unfolded protein response, mitochondrial autophagy, mitochondria-derived vesicles, and mitocytosis. The article also highlights the cross talk between mitochondria and other organelles, with a focus on kidney diseases. Finally, the article concludes with an overview of mitochondria-related clinical research.
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Affiliation(s)
- Yuxian Guo
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - Ruochen Che
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - Peipei Wang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - Aihua Zhang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, People's Republic of China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, People's Republic of China
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9
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Nakamura E, Aoki T, Endo Y, Kazmi J, Hagiwara J, Kuschner CE, Yin T, Kim J, Becker LB, Hayashida K. Organ-Specific Mitochondrial Alterations Following Ischemia-Reperfusion Injury in Post-Cardiac Arrest Syndrome: A Comprehensive Review. Life (Basel) 2024; 14:477. [PMID: 38672748 PMCID: PMC11050834 DOI: 10.3390/life14040477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 04/01/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Mitochondrial dysfunction, which is triggered by systemic ischemia-reperfusion (IR) injury and affects various organs, is a key factor in the development of post-cardiac arrest syndrome (PCAS). Current research on PCAS primarily addresses generalized mitochondrial responses, resulting in a knowledge gap regarding organ-specific mitochondrial dynamics. This review focuses on the organ-specific mitochondrial responses to IR injury, particularly examining the brain, heart, and kidneys, to highlight potential therapeutic strategies targeting mitochondrial dysfunction to enhance outcomes post-IR injury. METHODS AND RESULTS We conducted a narrative review examining recent advancements in mitochondrial research related to IR injury. Mitochondrial responses to IR injury exhibit considerable variation across different organ systems, influenced by unique mitochondrial structures, bioenergetics, and antioxidative capacities. Each organ demonstrates distinct mitochondrial behaviors that have evolved to fulfill specific metabolic and functional needs. For example, cerebral mitochondria display dynamic responses that can be both protective and detrimental to neuronal activity and function during ischemic events. Cardiac mitochondria show vulnerability to IR-induced oxidative stress, while renal mitochondria exhibit a unique pattern of fission and fusion, closely linked to their susceptibility to acute kidney injury. This organ-specific heterogeneity in mitochondrial responses requires the development of tailored interventions. Progress in mitochondrial medicine, especially in the realms of genomics and metabolomics, is paving the way for innovative strategies to combat mitochondrial dysfunction. Emerging techniques such as mitochondrial transplantation hold the potential to revolutionize the management of IR injury in resuscitation science. CONCLUSIONS The investigation into organ-specific mitochondrial responses to IR injury is pivotal in the realm of resuscitation research, particularly within the context of PCAS. This nuanced understanding holds the promise of revolutionizing PCAS management, addressing the unique mitochondrial dysfunctions observed in critical organs affected by IR injury.
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Affiliation(s)
- Eriko Nakamura
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
| | - Tomoaki Aoki
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
| | - Yusuke Endo
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
| | - Jacob Kazmi
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
| | - Jun Hagiwara
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
| | - Cyrus E. Kuschner
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
- Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA
| | - Tai Yin
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
| | - Junhwan Kim
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
| | - Lance B. Becker
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
- Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA
| | - Kei Hayashida
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY 11030, USA; (E.N.); (T.A.); (Y.E.); (J.K.); (J.H.); (C.E.K.); (T.Y.); (J.K.); (L.B.B.)
- Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA
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10
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Chen Y, Li Z, Zhang H, Chen H, Hao J, Liu H, Li X. Mitochondrial metabolism and targeted treatment strategies in ischemic-induced acute kidney injury. Cell Death Discov 2024; 10:69. [PMID: 38341438 DOI: 10.1038/s41420-024-01843-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 01/30/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
Ischemia-reperfusion injury (IRI) is a common cause of acute kidney injury (AKI). The kidney is susceptible to IRI under several clinical conditions, including hypotension, sepsis, and surgical procedures, such as partial nephrectomy and kidney transplantation. Extensive research has been conducted on the mechanism and intervention strategies of renal IRI in past decades; however, the complex pathophysiology of IRI-induced AKI (IRI-AKI) is not fully understood, and there remains a lack of effective treatments for AKI. Renal IRI involves several processes, including reactive oxygen species (ROS) production, inflammation, and apoptosis. Mitochondria, the centers of energy metabolism, are increasingly recognized as substantial contributors to the early phases of IRI. Multiple mitochondrial lesions have been observed in the renal tubular epithelial cells (TECs) of IRI-AKI mice, and damaged or dysfunctional mitochondria are toxic to the cells because they produce ROS and release cell death factors, resulting in TEC apoptosis. In this review, we summarize the recent advances in the mitochondrial pathology in ischemic AKI and highlight promising therapeutic approaches targeting mitochondrial dysfunction to prevent or treat human ischemic AKI.
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Affiliation(s)
- Yongming Chen
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Zixian Li
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Hongyong Zhang
- Zhanjiang Institute of Clinical Medicine, Central People's Hospital of Zhanjiang, Guangdong Medical University Zhan-jiang Central Hospital, Zhanjiang, 524001, China
| | - Huixia Chen
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Junfeng Hao
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
| | - Huafeng Liu
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
| | - Xiaoyu Li
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
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11
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Silva Barbosa AC, Pfister KE, Chiba T, Bons J, Rose JP, Burton JB, King CD, O'Broin A, Young V, Zhang B, Sivakama B, Schmidt AV, Uhlean R, Oda A, Schilling B, Goetzman ES, Sims-Lucas S. Dicarboxylic Acid Dietary Supplementation Protects against AKI. J Am Soc Nephrol 2024; 35:135-148. [PMID: 38044490 PMCID: PMC10843194 DOI: 10.1681/asn.0000000000000266] [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: 03/17/2023] [Accepted: 10/20/2023] [Indexed: 12/05/2023] Open
Abstract
SIGNIFICANCE STATEMENT In this study, we demonstrate that a common, low-cost compound known as octanedioic acid (DC 8 ) can protect mice from kidney damage typically caused by ischemia-reperfusion injury or the chemotherapy drug cisplatin. This compound seems to enhance peroxisomal activity, which is responsible for breaking down fats, without adversely affecting mitochondrial function. DC 8 is not only affordable and easy to administer but also effective. These encouraging findings suggest that DC 8 could potentially be used to assist patients who are at risk of experiencing this type of kidney damage. BACKGROUND Proximal tubules are rich in peroxisomes, which are damaged during AKI. Previous studies demonstrated that increasing peroxisomal fatty acid oxidation (FAO) is renoprotective, but no therapy has emerged to leverage this mechanism. METHODS Mice were fed with either a control diet or a diet enriched with dicarboxylic acids, which are peroxisome-specific FAO substrates, then subjected to either ischemia-reperfusion injury-AKI or cisplatin-AKI models. Biochemical, histologic, genetic, and proteomic analyses were performed. RESULTS Both octanedioic acid (DC 8 ) and dodecanedioic acid (DC 12 ) prevented the rise of AKI markers in mice that were exposed to renal injury. Proteomics analysis demonstrated that DC 8 preserved the peroxisomal and mitochondrial proteomes while inducing extensive remodeling of the lysine succinylome. This latter finding indicates that DC 8 is chain shortened to the anaplerotic substrate succinate and that peroxisomal FAO was increased by DC 8 . CONCLUSIONS DC 8 supplementation protects kidney mitochondria and peroxisomes and increases peroxisomal FAO, thereby protecting against AKI.
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Affiliation(s)
- Anne C. Silva Barbosa
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Katherine E. Pfister
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Takuto Chiba
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Joanna Bons
- Buck Institute for Research on Aging, Novato, California
| | - Jacob P. Rose
- Buck Institute for Research on Aging, Novato, California
| | | | | | - Amy O'Broin
- Buck Institute for Research on Aging, Novato, California
| | - Victoria Young
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Bob Zhang
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Bharathi Sivakama
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Alexandra V. Schmidt
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Rebecca Uhlean
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Akira Oda
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | - Eric S. Goetzman
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Sunder Sims-Lucas
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
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12
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Tang W, Wei Q. The metabolic pathway regulation in kidney injury and repair. Front Physiol 2024; 14:1344271. [PMID: 38283280 PMCID: PMC10811252 DOI: 10.3389/fphys.2023.1344271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 12/28/2023] [Indexed: 01/30/2024] Open
Abstract
Kidney injury and repair are accompanied by significant disruptions in metabolic pathways, leading to renal cell dysfunction and further contributing to the progression of renal pathology. This review outlines the complex involvement of various energy production pathways in glucose, lipid, amino acid, and ketone body metabolism within the kidney. We provide a comprehensive summary of the aberrant regulation of these metabolic pathways in kidney injury and repair. After acute kidney injury (AKI), there is notable mitochondrial damage and oxygen/nutrient deprivation, leading to reduced activity in glycolysis and mitochondrial bioenergetics. Additionally, disruptions occur in the pentose phosphate pathway (PPP), amino acid metabolism, and the supply of ketone bodies. The subsequent kidney repair phase is characterized by a metabolic shift toward glycolysis, along with decreased fatty acid β-oxidation and continued disturbances in amino acid metabolism. Furthermore, the impact of metabolism dysfunction on renal cell injury, regeneration, and the development of renal fibrosis is analyzed. Finally, we discuss the potential therapeutic strategies by targeting renal metabolic regulation to ameliorate kidney injury and fibrosis and promote kidney repair.
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Affiliation(s)
- Wenbin Tang
- Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Qingqing Wei
- Department of Cellular Biology and Anatomy, Medical College of Georgia, Augusta University, Augusta, GA, United States
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13
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Sancho-Martínez SM, López-Hernández FJ. Pathophysiology of Acute Kidney Frailty. Physiology (Bethesda) 2023; 38:0. [PMID: 37738019 DOI: 10.1152/physiol.00011.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 09/23/2023] Open
Abstract
Acute kidney frailty is a premorbid condition of diminished renal functional reserve that predisposes to acute kidney injury; this condition results from subclinical wear or distortion of renal homeostatic responses that protect the renal excretory function. Knowledge of its pathophysiological basis is critical for the development of diagnostic and therapeutic strategies that allow for prophylactic intervention and disease prevention.
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Affiliation(s)
- Sandra M Sancho-Martínez
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Departamento de Fisiología y Farmacología, Universidad de Salamanca, Salamanca, Spain
- Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain
- National Network for Kidney Research RICORS2040 RD21/0005/0004, Instituto de Salud Carlos III, Madrid, Spain
| | - Francisco J López-Hernández
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Departamento de Fisiología y Farmacología, Universidad de Salamanca, Salamanca, Spain
- Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain
- National Network for Kidney Research RICORS2040 RD21/0005/0004, Instituto de Salud Carlos III, Madrid, Spain
- Instituto de Estudios de Ciencias de la Salud de Castilla y León (IECSCYL), Soria, Spain
- Group of Biomedical Research on Critical Care (BioCritic), Valladolid, Spain
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14
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Wu M, Pei Z, Long G, Chen H, Jia Z, Xia W. Mitochondrial antiviral signaling protein: a potential therapeutic target in renal disease. Front Immunol 2023; 14:1266461. [PMID: 37901251 PMCID: PMC10602740 DOI: 10.3389/fimmu.2023.1266461] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/26/2023] [Indexed: 10/31/2023] Open
Abstract
Mitochondrial antiviral signaling protein (MAVS) is a key innate immune adaptor on the outer mitochondrial membrane that acts as a switch in the immune signal transduction response to viral infections. Some studies have reported that MAVS mediates NF-κB and type I interferon signaling during viral infection and is also required for optimal NLRP3 inflammasome activity. Recent studies have reported that MAVS is involved in various cancers, systemic lupus erythematosus, kidney diseases, and cardiovascular diseases. Herein, we summarize the structure, activation, pathophysiological roles, and MAVS-based therapies for renal diseases. This review provides novel insights into MAVS's role and therapeutic potential in the pathogenesis of renal diseases.
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Affiliation(s)
- Meng Wu
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiyin Pei
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Guangfeng Long
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Hongbing Chen
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Zhanjun Jia
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Weiwei Xia
- Department of Clinical Laboratory, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
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15
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Jonas M, Simon AJ, Gilburd B, Schneiderman J. Intrarenal Anti-Leptin Treatment Attenuates Ischemia and Reperfusion Injury. Am J Nephrol 2023; 54:337-348. [PMID: 37231766 DOI: 10.1159/000531174] [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: 02/01/2023] [Accepted: 05/13/2023] [Indexed: 05/27/2023]
Abstract
INTRODUCTION Renal ischemia and reperfusion (IR) injury introduces cellular stress and is the main cause of acute kidney damage. Renal cells exposed to noxious stress induce the expression of the pleiotropic hormone leptin. As we have previously revealed a deleterious stress-related role for leptin expression, these results suggested that leptin is also involved in pathological renal remodeling. The systemic functions of leptin preclude the study of its local effects using conventional approaches. We have therefore designed a method to locally perturb leptin activity in specific tissues without affecting its systemic levels. This study explores whether local anti-leptin strategy is renoprotective in a post-IR porcine kidney model. METHODS We induced renal IR injury in pigs by exposing kidneys to ischemia and revascularization. Upon reperfusion, kidneys instantly received an intra-arterial bolus of either a leptin antagonist (LepA) or saline solution. Peripheral blood was sampled to assess systemic leptin, IL-6, creatinine, and BUN levels, and postoperative tissue samples were analyzed by hematoxylin and eosin histochemistry and immunohistochemistry. RESULTS Histology of IR/saline kidneys exhibited extensive necrosis of proximal tubular epithelial cells, as well as elevated levels of apoptosis markers and inflammation. In contrast, IR/LepA kidneys showed no signs of necrosis or inflammation with normal IL-6 and tall-like receptor 4 levels. LepA treatment led to upregulation in mRNA levels of leptin, leptin receptor, ERK1/2, STAT3, and transport molecule Na/H exchanger-3. CONCLUSIONS Local, intrarenal postischemic LepA treatment at reperfusion prevented apoptosis and inflammation and was renoprotective. Selective intrarenal administration of LepA at reperfusion may provide a viable option for clinical implementation.
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Affiliation(s)
- Michael Jonas
- Department of Cardiology, Kaplan Medical Center, Rehovot, Israel
- Hebrew University School of Medicine, Jerusalem, Israel
| | - Amos J Simon
- Cancer Research Center, Institute of Hematology, Sheba Medical Center, Ramat Gan, Israel
| | - Boris Gilburd
- Autoimmunity Laboratory, Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Ramat Gan, Israel
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16
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Barbero NM, Oller J, Sanz AB, Ramos AM, Ortiz A, Ruiz-Ortega M, Rayego-Mateos S. Mitochondrial Dysfunction in the Cardio-Renal Axis. Int J Mol Sci 2023; 24:ijms24098209. [PMID: 37175915 PMCID: PMC10179675 DOI: 10.3390/ijms24098209] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
Cardiovascular disease (CVD) frequently complicates chronic kidney disease (CKD). The risk of all-cause mortality increases from 20% to 500% in patients who suffer both conditions; this is referred to as the so-called cardio-renal syndrome (CRS). Preclinical studies have described the key role of mitochondrial dysfunction in cardiovascular and renal diseases, suggesting that maintaining mitochondrial homeostasis is a promising therapeutic strategy for CRS. In this review, we explore the malfunction of mitochondrial homeostasis (mitochondrial biogenesis, dynamics, oxidative stress, and mitophagy) and how it contributes to the development and progression of the main vascular pathologies that could be affected by kidney injury and vice versa, and how this knowledge may guide the development of novel therapeutic strategies in CRS.
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Affiliation(s)
- Nerea Mendez Barbero
- Laboratory of Vascular Pathology, IIS-Fundación Jiménez Díaz, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Faculty of Medicine and Biomedicine, Universidad Alfonso X El Sabio, 28037 Madrid, Spain
| | - Jorge Oller
- Laboratory of Vascular Pathology, IIS-Fundación Jiménez Díaz, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Faculty of Medicine and Biomedicine, Universidad Alfonso X El Sabio, 28037 Madrid, Spain
| | - Ana B Sanz
- Spain Nephrology Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma, 28040 Madrid, Spain
- REDINREN Spain/Ricors2040, 28029 Madrid, Spain
| | - Adrian M Ramos
- Spain Nephrology Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma, 28040 Madrid, Spain
- REDINREN Spain/Ricors2040, 28029 Madrid, Spain
| | - Alberto Ortiz
- Spain Nephrology Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma, 28040 Madrid, Spain
- REDINREN Spain/Ricors2040, 28029 Madrid, Spain
| | - Marta Ruiz-Ortega
- REDINREN Spain/Ricors2040, 28029 Madrid, Spain
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma, 28040 Madrid, Spain
| | - Sandra Rayego-Mateos
- REDINREN Spain/Ricors2040, 28029 Madrid, Spain
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma, 28040 Madrid, Spain
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17
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Jayaraman P, Crouse A, Nadkarni G, Might M. A Primer in Precision Nephrology: Optimizing Outcomes in Kidney Health and Disease through Data-Driven Medicine. KIDNEY360 2023; 4:e544-e554. [PMID: 36951457 PMCID: PMC10278804 DOI: 10.34067/kid.0000000000000089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 01/04/2023] [Indexed: 03/24/2023]
Abstract
This year marks the 63rd anniversary of the International Society of Nephrology, which signaled nephrology's emergence as a modern medical discipline. In this article, we briefly trace the course of nephrology's history to show a clear arc in its evolution-of increasing resolution in nephrological data-an arc that is converging with computational capabilities to enable precision nephrology. In general, precision medicine refers to tailoring treatment to the individual characteristics of patients. For an operational definition, this tailoring takes the form of an optimization, in which treatments are selected to maximize a patient's expected health with respect to all available data. Because modern health data are large and high resolution, this optimization process requires computational intervention, and it must be tuned to the contours of specific medical disciplines. An advantage of this operational definition for precision medicine is that it allows us to better understand what precision medicine means in the context of a specific medical discipline. The goal of this article was to demonstrate how to instantiate this definition of precision medicine for the field of nephrology. Correspondingly, the goal of precision nephrology was to answer two related questions: ( 1 ) How do we optimize kidney health with respect to all available data? and ( 2 ) How do we optimize general health with respect to kidney data?
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Affiliation(s)
- Pushkala Jayaraman
- The Charles Bronfman Institute for Personalized Medicine Icahn School of Medicine at Mount Sinai, New York, New York
| | - Andrew Crouse
- Hugh Kaul Precision Medicine Institute, University of Alabama at Birmingham, Birmingham, Alabama
| | - Girish Nadkarni
- The Charles Bronfman Institute for Personalized Medicine Icahn School of Medicine at Mount Sinai, New York, New York
- The Mount Sinai Clinical Intelligence Center (MSCIC), Icahn School of Medicine at Mount Sinai, New York, New York
- Division of Data Driven and Digital Medicine, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
- Barbara T Murphy Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Matthew Might
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Computer Science, University of Alabama at Birmingham, Birmingham, Alabama
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18
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Tang B, Luo Z, Zhang R, Zhang D, Nie G, Li M, Dai Y. An update on the molecular mechanism and pharmacological interventions for Ischemia-reperfusion injury by regulating AMPK/mTOR signaling pathway in autophagy. Cell Signal 2023; 107:110665. [PMID: 37004834 DOI: 10.1016/j.cellsig.2023.110665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023]
Abstract
AMP-activated protein kinase (5'-adenosine monophosphate-activated protein kinase, AMPK)/mammalian target of rapamycin (mTOR) is an important signaling pathway maintaining normal cell function and homeostasis in vivo. The AMPK/mTOR pathway regulates cellular proliferation, autophagy, and apoptosis. Ischemia-reperfusion injury (IRI) is secondary damage that frequently occurs clinically in various disease processes and treatments, and the exacerbated injury during tissue reperfusion increases disease-associated morbidity and mortality. IRI arises from multiple complex pathological mechanisms, among which cell autophagy is a focus of recent research and a new therapeutic target. The activation of AMPK/mTOR signaling in IRI can modulate cellular metabolism and regulate cell proliferation and immune cell differentiation by adjusting gene transcription and protein synthesis. Thus, the AMPK/mTOR signaling pathway has been intensively investigated in studies focused on IRI prevention and treatment. In recent years, AMPK/mTOR pathway-mediated autophagy has been found to play a crucial role in IRI treatment. This article aims to elaborate the action mechanisms of AMPK/mTOR signaling pathway activation in IRI and summarize the progress of AMPK/mTOR-mediated autophagy research in the field of IRI therapy.
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Affiliation(s)
- Bin Tang
- Department of Ultrasound, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China
| | - Zhijian Luo
- Department of Ultrasound, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China
| | - Rong Zhang
- Department of Ultrasound, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China
| | - Dongmei Zhang
- Department of Ultrasound, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China
| | - Guojun Nie
- The First Outpatient Department of People's Liberation Army Western Theater General Hospital, Cheng Du, Sichuan Province 61000, China
| | - Mingxing Li
- Department of Ultrasound, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China.
| | - Yan Dai
- Department of pharmacy, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province 646000, China.
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Zhang H, Chen Y, Li F, Wu C, Cai W, Ye H, Su H, He M, Yang L, Wang X, Zhou K, Ni W. Elamipretide alleviates pyroptosis in traumatically injured spinal cord by inhibiting cPLA2-induced lysosomal membrane permeabilization. J Neuroinflammation 2023; 20:6. [PMID: 36609266 PMCID: PMC9825014 DOI: 10.1186/s12974-023-02690-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 01/02/2023] [Indexed: 01/09/2023] Open
Abstract
Spinal cord injury (SCI) is a devastating injury that may result in permanent motor impairment. The active ingredients of medications are unable to reach the affected area due to the blood‒brain barrier. Elamipretide (SS-31) is a new and innovative aromatic cationic peptide. Because of its alternating aromatic and cationic groups, it freely crosses the blood‒brain barrier. It is also believed to decrease inflammation and protect against a variety of neurological illnesses. This study explored the therapeutic value of SS-31 in functional recovery after SCI and its possible underlying mechanism. A spinal cord contusion injury model as well as the Basso Mouse Scale, footprint assessment, and inclined plane test were employed to assess how well individuals could function following SCI. The area of glial scarring, the number of dendrites, and the number of synapses after SCI were confirmed by HE, Masson, MAP2, and Syn staining. Western blotting, immunofluorescence, and enzyme-linked immunosorbent assays were employed to examine the expression levels of pyroptosis-, autophagy-, lysosomal membrane permeabilization (LMP)- and MAPK signalling-related proteins. The outcomes showed that SS-31 inhibited pyroptosis, enhanced autophagy and attenuated LMP in SCI. Mechanistically, we applied AAV vectors to upregulate Pla2g4A in vivo and found that SS-31 enhanced autophagy and attenuated pyroptosis and LMP by inhibiting phosphorylation of cPLA2. Ultimately, we applied asiatic acid (a p38-MAPK agonist) to test whether SS-31 regulated cPLA2 partially through the MAPK-P38 signalling pathway. Our group is the first to suggest that SS-31 promotes functional recovery partially by inhibiting cPLA2-mediated autophagy impairment and preventing LMP and pyroptosis after SCI, which may have potential clinical application value.
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Affiliation(s)
- Haojie Zhang
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Yituo Chen
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Feida Li
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Chenyu Wu
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Wanta Cai
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Hantao Ye
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Haohan Su
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Mingjun He
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Liangliang Yang
- grid.268099.c0000 0001 0348 3990School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 Zhejiang China
| | - Xiangyang Wang
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Kailiang Zhou
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
| | - Wenfei Ni
- grid.417384.d0000 0004 1764 2632Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325000 Zhejiang China ,grid.268099.c0000 0001 0348 3990Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, 325000 Zhejiang China
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Li X, Yuan F, Zhou L. Organ Crosstalk in Acute Kidney Injury: Evidence and Mechanisms. J Clin Med 2022; 11:jcm11226637. [PMID: 36431113 PMCID: PMC9693488 DOI: 10.3390/jcm11226637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/31/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022] Open
Abstract
Acute kidney injury (AKI) is becoming a public health problem worldwide. AKI is usually considered a complication of lung, heart, liver, gut, and brain disease, but recent findings have supported that injured kidney can also cause dysfunction of other organs, suggesting organ crosstalk existence in AKI. However, the organ crosstalk in AKI and the underlying mechanisms have not been broadly reviewed or fully investigated. In this review, we summarize recent clinical and laboratory findings of organ crosstalk in AKI and highlight the related molecular mechanisms. Moreover, their crosstalk involves inflammatory and immune responses, hemodynamic change, fluid homeostasis, hormone secretion, nerve reflex regulation, uremic toxin, and oxidative stress. Our review provides important clues for the intervention for AKI and investigates important therapeutic potential from a new perspective.
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Yan LJ. The Nicotinamide/Streptozotocin Rodent Model of Type 2 Diabetes: Renal Pathophysiology and Redox Imbalance Features. Biomolecules 2022; 12:biom12091225. [PMID: 36139064 PMCID: PMC9496087 DOI: 10.3390/biom12091225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 12/15/2022] Open
Abstract
Diabetic nephropathy (DN) is a common complication of diabetes mellitus. While there has been a great advance in our understanding of the pathogenesis of DN, no effective managements of this chronic kidney disease are currently available. Therefore, continuing to elucidate the underlying biochemical and molecular mechanisms of DN remains a constant need. In this regard, animal models of diabetes are indispensable tools. This review article highlights a widely used rodent model of non-obese type 2 diabetes induced by nicotinamide (NA) and streptozotocin (STZ). The mechanism underlying diabetes induction by combining the two chemicals involves blunting the toxic effect of STZ by NA so that only a percentage of β cells are destroyed and the remaining viable β cells can still respond to glucose stimulation. This NA-STZ animal model, as a platform for the testing of numerous antidiabetic and renoprotective materials, is also discussed. In comparison with other type 2 diabetic animal models, such as high-fat-diet/STZ models and genetically engineered rodent models, the NA-STZ model is non-obese and is less time-consuming and less expensive to create. Given that this unique model mimics certain pathological features of human DN, this model should continue to find its applications in the field of diabetes research.
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Affiliation(s)
- Liang-Jun Yan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
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22
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Tubular Mitochondrial Dysfunction, Oxidative Stress, and Progression of Chronic Kidney Disease. Antioxidants (Basel) 2022; 11:antiox11071356. [PMID: 35883847 PMCID: PMC9311633 DOI: 10.3390/antiox11071356] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 12/23/2022] Open
Abstract
Acute kidney injury (AKI) and chronic kidney disease (CKD) are interconnected conditions, and CKD is projected to become the fifth leading global cause of death by 2040. New therapeutic approaches are needed. Mitochondrial dysfunction and oxidative stress have emerged as drivers of kidney injury in acute and chronic settings, promoting the AKI-to-CKD transition. In this work, we review the role of mitochondrial dysfunction and oxidative stress in AKI and CKD progression and discuss novel therapeutic approaches. Specifically, evidence for mitochondrial dysfunction in diverse models of AKI (nephrotoxicity, cytokine storm, and ischemia-reperfusion injury) and CKD (diabetic kidney disease, glomerulopathies) is discussed; the clinical implications of novel information on the key role of mitochondria-related transcriptional regulators peroxisome proliferator-activated receptor gamma coactivator 1-alpha, transcription factor EB (PGC-1α, TFEB), and carnitine palmitoyl-transferase 1A (CPT1A) in kidney disease are addressed; the current status of the clinical development of therapeutic approaches targeting mitochondria are updated; and barriers to the clinical development of mitochondria-targeted interventions are discussed, including the lack of clinical diagnostic tests that allow us to categorize the baseline renal mitochondrial dysfunction/mitochondrial oxidative stress and to monitor its response to therapeutic intervention. Finally, key milestones for further research are proposed.
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Ho KM, Morgan DJR. The Proximal Tubule as the Pathogenic and Therapeutic Target in Acute Kidney Injury. Nephron Clin Pract 2022; 146:494-502. [PMID: 35272287 DOI: 10.1159/000522341] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/27/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND In 2004, the term acute kidney injury (AKI) was introduced with the intention of broadening our understanding of rapid declines in renal function and to replace the historical terms of acute renal failure and acute tubular necrosis (ATN). Despite this evolution in terminology, the mechanisms of AKI have stayed largely elusive with the pathophysiological concepts of ATN remaining the mainstay in our understanding of AKI. SUMMARY The proximal tubule (PT), having the highest mitochondrial content in the kidney and relying heavily on oxidative phosphorylation to generate ATP, is vulnerable to ischaemic insults and mitochondrial dysfunction. Histologically, pathological changes in the PT are more consistent than changes to the glomeruli or the loop of Henle in AKI. Physiologically, activation of tubuloglomerular feedback due to PT dysfunction leads to an increase in preglomerular afferent arteriole resistance and a reduction in glomerular filtration. Pharmacologically, frusemide - a drug commonly used in the setting of oliguric AKI - is actively secreted by the PT and its diuretic effect is compromised by its failure to be secreted into the urine and thus be delivered to its site of action at the loop of Henle in AKI. Increases in the urinary, but not plasma biomarkers, of PT injury within 1 h of shock suggest that the PT as the initiation pathogenic target of AKI. KEY MESSAGE Therapeutic agents targeting specifically the PT epithelial cells, in particular its mitochondria - including amino acid ergothioneine and superoxide scavenger MitoTEMPO - show great promises in ameliorating AKI.
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Affiliation(s)
- Kwok M Ho
- Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Washington, Australia.,Medical School, University of Western Australia, Perth, Washington, Australia.,School of Veterinary & Life Sciences, Murdoch University, Perth, Washington, Australia
| | - David J R Morgan
- Department of Intensive Care Medicine, Fiona Stanley Hospital, Perth, Washington, Australia
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