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Chiuariu T, Șalaru D, Ureche C, Vasiliu L, Lupu A, Lupu VV, Șerban AM, Zăvoi A, Benchea LC, Clement A, Tudurachi BS, Sascău RA, Stătescu C. Cardiac and Renal Fibrosis, the Silent Killer in the Cardiovascular Continuum: An Up-to-Date. J Cardiovasc Dev Dis 2024; 11:62. [PMID: 38392276 PMCID: PMC10889423 DOI: 10.3390/jcdd11020062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 02/24/2024] Open
Abstract
Cardiovascular disease (CVD) and chronic kidney disease (CKD) often coexist and have a major impact on patient prognosis. Organ fibrosis plays a significant role in the pathogenesis of cardio-renal syndrome (CRS), explaining the high incidence of heart failure and sudden cardiac death in these patients. Various mediators and mechanisms have been proposed as contributors to the alteration of fibroblasts and collagen turnover, varying from hemodynamic changes to the activation of the renin-angiotensin system, involvement of FGF 23, and Klotho protein or collagen deposition. A better understanding of all the mechanisms involved has prompted the search for alternative therapeutic targets, such as novel inhibitors of the renin-angiotensin-aldosterone system (RAAS), serelaxin, and neutralizing interleukin-11 (IL-11) antibodies. This review focuses on the molecular mechanisms of cardiac and renal fibrosis in the CKD and heart failure (HF) population and highlights the therapeutic alternatives designed to target the responsible pathways.
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Affiliation(s)
- Traian Chiuariu
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Delia Șalaru
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Carina Ureche
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Laura Vasiliu
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Ancuta Lupu
- Department of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Vasile Valeriu Lupu
- Department of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Adela Mihaela Șerban
- Cardiology Department, Heart Institute Niculae Stăncioiu, 19-21 Motilor Street, 400001 Cluj-Napoca, Romania
| | - Alexandra Zăvoi
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Laura Catalina Benchea
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Alexandra Clement
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Bogdan-Sorin Tudurachi
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Radu Andy Sascău
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
| | - Cristian Stătescu
- Department of Internal Medicine, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
- Prof. Dr. George I.M. Georgescu Institute of Cardiovascular Diseases, Carol I Boulevard, No. 50, 700503 Iasi, Romania
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Lv J, Zhu X, Xing C, Chen Y, Bian H, Yin H, Gu X, Su L. Stimulator of interferon genes (STING): Key therapeutic targets in ischemia/reperfusion injury. Biomed Pharmacother 2023; 167:115458. [PMID: 37699319 DOI: 10.1016/j.biopha.2023.115458] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/25/2023] [Accepted: 09/05/2023] [Indexed: 09/14/2023] Open
Abstract
The Stimulator of Interferon Genes (STING) is predominantly expressed in immune cells, including macrophages, natural killer cells, dendritic cells, and T cells, functioning as a pattern recognition receptor. STING activation upon detecting cytosolic DNA released from damaged cells initiates downstream pathways, leading to the production of inflammatory cytokines such as IFNs, IL-6, and TNF-α. Dysregulated STING activation has been implicated in inflammatory and metabolic diseases. Ischemia/reperfusion injury (I/RI) is common in stroke, acute myocardial infarction, organ transplantation, and surgeries for certain end-stage diseases. Recent studies suggest that STING could be a novel therapeutic target for I/RI treatment. In this review, we provide a concise overview of the cGAS-STING signaling pathway's general functions and summarize STING's role in I/RI across various organs, including the heart, liver, kidney, and lung. Moreover, we explore potential therapeutic approaches for I/RI by targeting STING.
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Affiliation(s)
- Juan Lv
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China; Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Xuanxuan Zhu
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China
| | - Chunlei Xing
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Yuhong Chen
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Huihui Bian
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, China
| | - Heng Yin
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China.
| | - Xiaofeng Gu
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China.
| | - Li Su
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 214071, China; Institute of Translational Medicine, Shanghai University, Shanghai 200444, China.
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Soliman E, Elshazly SM, Shewaikh SM, El-Shaarawy F. Reno- and hepato-protective effect of allopurinol after renal ischemia/reperfusion injury: Crosstalk between xanthine oxidase and peroxisome proliferator-activated receptor gamma signaling. Food Chem Toxicol 2023:113868. [PMID: 37269893 DOI: 10.1016/j.fct.2023.113868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/21/2023] [Accepted: 05/31/2023] [Indexed: 06/05/2023]
Abstract
Renal ischemia/reperfusion (I/R) is a common cause of acute kidney injury and remote liver damage is an ultimate negative outcome. Current treatments for I/R typically involve the use of antioxidants and anti-inflammatory to protect against oxidative stress and inflammation. Xanthine oxidase (XO) and PPAR-γ contribute to renal I/R-induced oxidative stress; however, the crosstalk between the two pathways remains unexplored. In the present study, we report that XO inhibitor, allopurinol (ALP), protects kidney and liver after renal I/R by PPAR-γ activation. Rats with renal I/R showed reduced kidney and liver functions, increased XO, and decreased PPAR-γ. ALP increased PPAR-γ expression and improved liver and kidney functions. ALP also reduced inflammation and nitrosative stress indicated by reduction in TNF-α, iNOS, nitric oxide (NO), and peroxynitrite formation. Interestingly, rats co-treated with PPAR-γ inhibitor, BADGE, and ALP showed diminished beneficial effect on renal and kidney functions, inflammation, and nitrosative stress. This data suggests that downregulation of PPAR-γ contributes to nitrosative stress and inflammation in renal I/R and the use of ALP reverses this effect by increasing PPAR-γ expression. In conclusion, this study highlights the potential therapeutic value of ALP and suggests targeting XO-PPAR-γ pathway as a promising strategy for preventing I/R injury.
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Affiliation(s)
- Eman Soliman
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt.
| | - Shimaa Mustafa Elshazly
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt.
| | - Samar M Shewaikh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt.
| | - Fatma El-Shaarawy
- Department of Biochemistry, Faculty of Pharmacy, Sinai University, El-Arish, 45511, Egypt.
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Tiba AT, Qassam H, Hadi NR. Semaglutide in renal ischemia-reperfusion injury in mice. J Med Life 2023; 16:317-324. [PMID: 36937464 PMCID: PMC10015556 DOI: 10.25122/jml-2022-0291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/13/2022] [Indexed: 03/21/2023] Open
Abstract
Ischemia and reperfusion injury (I/R) is a serious condition leading to organ failure, characterized by poor blood supply followed by rapid resuscitation of blood flow and reoxygenation. Renal failure caused by renal ischemia has high mortality and morbidity. This study aimed to explore the potential role of Semaglutide as a novel and effective therapeutic strategy for acute renal failure. Additionally, we aimed to assess the possible protective effect of Semaglutide on kidney I/R injury in mice through modulation of the inflammatory and oxidative pathways via phosphatidylinositol 3-kinase/adenosine triphosphate (PI3K/AKT) activation. We employed twenty-eight albino mice to induce the I/R injury model by clamping the renal artery for 30 min followed by a period of reperfusion for 2 hours. The control group was exposed to I/R injury, while the Semaglutide-treated group was pretreated with the drug 12 hours before induction of ischemia at a dose of 100 nmol/L/kg via the intraperitoneal route (i.p). In addition, the DMSO-treated group was subjected to similar conditions to the Semaglutide-treated group. At the end of the experiments, kidneys and blood samples were collected for investigation. Semaglutide could act as a protective agent against acute kidney injury by reducing inflammatory molecules such as tumor necrosis factor-alpha (TNF-α) and its cognate receptor, TNF-α R, interleukine-6 (IL-6). Furthermore, Semaglutide reduced F8 isoprostane levels, increased PI3K and AKT levels in renal tissues, and mitigated renal damage. Semaglutide had renoprotective effects via modulation of the inflammatory response and oxidative pathway by targeting the PI3K/AKT signaling pathway.
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Affiliation(s)
- Al-Tameemi Tiba
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Kufa, Iraq
| | - Heider Qassam
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Kufa, Iraq
| | - Najah Rayish Hadi
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Kufa, Iraq
- Corresponding Author: Najah Rayish Hadi, Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Kufa, Iraq. E-mail:
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Xiong Y, Jian J, Yu H, Wu J, Mao H, Feng R, Wang L, Jian Y, Liu X. Cyanidin-3-O-glucoside plays a protective role against renal ischemia/ reperfusion injury via the JAK/STAT pathway. Acta Cir Bras 2023; 38:e381023. [PMID: 37132754 PMCID: PMC10158851 DOI: 10.1590/acb381023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 01/05/2023] [Indexed: 05/04/2023] Open
Abstract
PURPOSE To investigate the role of cyanidin-3-O-glucoside (C3G) in renal ischemia/reperfusion (I/R) injury and the potential mechanisms. METHODS Mouse models were established by clamping the left renal vessels, and in vitro cellular models were established by hypoxic reoxygenation. RESULTS Renal dysfunction and tissue structural damage were significantly higher in the I/R group. After treatment with different concentrations of C3G, the levels of renal dysfunction and tissue structural damage decreased at different levels. And its protective effect was most pronounced at 200 mg/kg. The use of C3G reduced apoptosis as well as the expression of endoplasmic reticulum stress (ERS)-related proteins. Hypoxia/reoxygenation (H/R)-induced apoptosis and ERS are dependent on oxidative stress in vitro. In addition, both AG490 and C3G inhibited the activation of JAK/STAT pathway and attenuated oxidative stress, ischemia-induced apoptosis and ERS. CONCLUSIONS The results demonstrated that C3G blocked renal apoptosis and ERS protein expression by preventing reactive oxygen species (ROS) production after I/R via the JAK/STAT pathway, suggesting that C3G may be a potential therapeutic agent for renal I/R injury.
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Affiliation(s)
- Yufeng Xiong
- Renmin Hospital of Wuhan University - Department of Urology - Wuhan (Hubei), China
- Renmin Hospital of Wuhan University - Institute of Urologic Disease - Wuhan (Hubei), China
| | - Jun Jian
- Renmin Hospital of Wuhan University - Department of Urology - Wuhan (Hubei), China
- Renmin Hospital of Wuhan University - Institute of Urologic Disease - Wuhan (Hubei), China
| | - Honglin Yu
- University of Science and Technology of China, The First Affiliated Hospital - Department of Radiology - Hefei (Anhui), China
| | - Jiejun Wu
- Renmin Hospital of Wuhan University - Department of Urology - Wuhan (Hubei), China
- Renmin Hospital of Wuhan University - Institute of Urologic Disease - Wuhan (Hubei), China
| | - Hu Mao
- Renmin Hospital of Wuhan University - Department of Urology - Wuhan (Hubei), China
- Renmin Hospital of Wuhan University - Institute of Urologic Disease - Wuhan (Hubei), China
| | - Ruikang Feng
- Renmin Hospital of Wuhan University - Department of Urology - Wuhan (Hubei), China
- Renmin Hospital of Wuhan University - Institute of Urologic Disease - Wuhan (Hubei), China
| | - Lei Wang
- Renmin Hospital of Wuhan University - Department of Urology - Wuhan (Hubei), China
- Renmin Hospital of Wuhan University - Institute of Urologic Disease - Wuhan (Hubei), China
| | - Yonghong Jian
- Renmin Hospital of Wuhan University - Department of Nephrology - Wuhan (Hubei), China
| | - Xiuheng Liu
- Renmin Hospital of Wuhan University - Department of Urology - Wuhan (Hubei), China
- Renmin Hospital of Wuhan University - Institute of Urologic Disease - Wuhan (Hubei), China
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Huang Y, Zhang N, Xie C, You Y, Guo L, Ye F, Xie X, Wang J. Lipocalin-2 in neutrophils induces ferroptosis in septic cardiac dysfunction via increasing labile iron pool of cardiomyocytes. Front Cardiovasc Med 2022; 9:922534. [PMID: 35990970 PMCID: PMC9386130 DOI: 10.3389/fcvm.2022.922534] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/11/2022] [Indexed: 11/26/2022] Open
Abstract
Cardiac dysfunction is a common complication of sepsis with high mortality. The present study was designed to identify the effect of neutrophil-derived lipocalin-2 (LCN2) in septic cardiac dysfunction (SCD) and its potential mechanism. Wild-type (WT) and LCN2-knockout (LCN2 KO) mice were peritoneally injected with lipopolysaccharide (LPS) to induce SCD. The cardiac function was assessed 12 h after LPS injection by echocardiography. Cardiac tissue was harvested for the evaluation of malonaldehyde (MDA) and prostaglandin E synthase 2 (PTGS2) mRNA levels. LPS induced ferroptosis and SCD in mice. LCN2 deficiency attenuated cardiac injury post-LPS administration. In vitro, LCN2 expression in neutrophils increased in response to LPS. Ferroptosis of cardiomyocytes induced by conditioned medium (CM) from LPS-induced neutrophils of WT mice could be attenuated in CM from LPS-induced neutrophils of LCN2 KO mice. Exogenous LCN2 induced H9C2 cell ferroptosis via increasing labile iron pool (LIP). In conclusion, our results showed that LCN2 deficiency prevented heart dysfunction and ferroptosis in SCD mice and suggested that neutrophil-derived LCN2 might be a promising therapeutic target for SCD.
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Wu Y, Shi H, Xu Y, Pei J, Song S, Chen W, Xu S. Ebselen ameliorates renal ischemia-reperfusion injury via enhancing autophagy in rats. Mol Cell Biochem 2022; 477:1873-1885. [PMID: 35338455 DOI: 10.1007/s11010-022-04413-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 03/10/2022] [Indexed: 12/13/2022]
Abstract
Renal ischemia-reperfusion (I/R) injury is one of the most common causes of chronic kidney disease (CKD). It brings unfavorable outcomes to the patients and leads to a considerable socioeconomic burden. The study of renal I/R injury is still one of the hot topics in the medical field. Ebselen is an organic selenide that attenuates I/R injury in various organs. However, its effect and related mechanism underlying renal I/R injury remains unclear. In this study, we established a rat model of renal I/R injury to study the preventive effect of ebselen on renal I/R injury and further explore the potential mechanism of its action. We found that ebselen pretreatment reduced renal dysfunction and tissue damage caused by renal I/R. In addition, ebselen enhanced autophagy and inhibited oxidative stress. Additionally, ebselen pretreatment activated the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway. The protective effect of ebselen was suppressed by autophagy inhibitor wortmannin. In conclusion, ebselen could ameliorate renal I/R injury, probably by enhancing autophagy, activating the Nrf2 signaling pathway, and reducing oxidative stress.
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Affiliation(s)
- Yikun Wu
- School of Medicine, Guizhou University, Guiyang, Guizhou, China
| | - Hua Shi
- Department of Urology, Tongren City People's Hospital, Tongren, Guizhou, China
| | - Yuangao Xu
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - Jun Pei
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - Shang Song
- Department of Urology, Tongren City People's Hospital, Tongren, Guizhou, China
| | - Wei Chen
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - Shuxiong Xu
- School of Medicine, Guizhou University, Guiyang, Guizhou, China.
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China.
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Azouz AA, Hersi F, Ali FEM, Hussein Elkelawy AMM, Omar HA. Renoprotective effect of vinpocetine against ischemia/reperfusion injury: Modulation of NADPH oxidase/Nrf2, IKKβ/NF-κB p65, and cleaved caspase-3 expressions. J Biochem Mol Toxicol 2022; 36:e23046. [PMID: 35315168 DOI: 10.1002/jbt.23046] [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: 04/07/2021] [Revised: 01/14/2022] [Accepted: 03/02/2022] [Indexed: 11/08/2022]
Abstract
Ischemia/reperfusion injury (IRI) during kidney transplantation is a serious clinical problem with a high mortality rate and a lack of therapy. Therefore, there is a need to improve the ability of the kidney to tolerate IRI during transplantation. This study aimed to investigate the possible protective effect of vinpocetine; a derivative of vincamine alkaloid; against renal IRI in rats with the elucidation of the involved mechanisms. Vinpocetine (25 mg/kg; i.p.) was administered for 10 successive days before the induction of ischemia by bilateral clamping of both renal pedicles for 45 min followed by 24 h of reperfusion. Blood and renal tissue samples were then collected for biochemical, molecular, and histopathological investigations. Vinpocetine significantly reduced serum creatinine and blood urea nitrogen levels in rats subjected to IRI. It also reduced mRNA expression of NADPH oxidase and renal content of malondialdehyde, while enhanced Nrf2 protein expression and renal content of reduced glutathione. The suppression of the provoked inflammatory response was evident by the downregulation of IKKβ and NF-κB p65 protein expressions, as well as their downstream inflammatory markers; tumor necrosis factor-α, interleukin-6, and myeloperoxidase. In addition, vinpocetine reduced protein expression of the apoptotic executioner cleaved caspase-3. These nephroprotective effects were confirmed by the improvement in histopathological features. Collectively, the protective effect of vinpocetine against IRI could be attributed to modulation of NADPH oxidase/Nrf2, IKKβ/NF-κB p65, and cleaved caspase-3 expressions. Thus, vinpocetine could improve oxidant/antioxidant balance, suppress triggered inflammatory response, and promote renal cell survival after IRI.
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Affiliation(s)
- Amany A Azouz
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Fatema Hersi
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Fares E M Ali
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | | | - Hany A Omar
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt.,Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
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Loureiro ACC, Nocrato GF, Correia ALL, de Matos RS, Filho JCCN, Daher EDF, Pinto FHM, de Oliveira AC, Ceccatto VM, Fortunato RS, de Carvalho DP. Serum and Urinary Neutrophil Gelatinase-Associated Lipocalin Are Not Associated With Serum Redox Parameters in Amateur Athletes After an Ultramarathon. Front Physiol 2022; 13:811514. [PMID: 35370771 PMCID: PMC8970054 DOI: 10.3389/fphys.2022.811514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 01/31/2022] [Indexed: 11/13/2022] Open
Abstract
Objective To evaluate the relationship between oxidative stress and NGAL levels in blood and urine of amateur athletes after participating in a 100 km ultramarathon. Methodology The sample was composed of seven athletes, submitted to anthropometric assessment, cardiopulmonary exercise test, collection of urine and blood, measurement of body weight. The rate of perceived exertion (RPE), competition duration, heart rate (HR), energy expenditure and oxygen consumption (V'O2") were also measured during the event. The energy consumption during the race was verified at its end. The analyses were based on the means (M) and respective standard deviations (SD), with statistical significance set at 5% (p < 0.05). Paired t-test was used for comparison between the periods before and after the competition, and Pearson's correlation coefficient was used to measure the linear correlation between quantitative variables. Results Body mass index (BMI) of the sample was 25.75 kg/m2 ± 3.20, body fat percentage 18.54% ± 4.35% and V'O2"max 48.87% ± 4.78. Glucose, cortisol, and neutrophil gelatinase-associated lipocalin (NGAL) (p < 0.01) as well as glutathione peroxidase (GPx) active were higher after the race when compared to basal values. Moreover, lactate, creatinine, microalbuminuria, and glomerular filtration rate (GFR) (p < 0.001) were also higher after the race. After the competition, there was a significant correlation only between serum NGAL and creatinine, which was classified as strong and positive (r: 0.77; p < 0.05). There was a significant reduction (p < 0.05) of body weight after the event (72.40 kg ± 9.78) compared to before it (73.98 kg ± 10.25). In addition, we found an increase of RPE (p < 0.001) after the race. The competition lasted 820.60 min (±117.00), with a 127.85 bpm (±12.02) HR, a 2209.72 kcal ± 951.97 energy consumption, 7837.16 kcal ± 195.71 energy expenditure, and 28.78 ml/kg/min-1 (±4.66) relative V'O2"max. Conclusion The lack of correlation between oxidative stress biomarkers and serum and urine NGAL suggests that NGAL is more sensitive to inflammatory processes than to ROS levels.
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Affiliation(s)
| | | | | | - Robson Salviano de Matos
- Department of Clinical Medicine at the Federal University of Ceará, Ceará Federal University, Fortaleza, Brazil
| | | | | | | | | | | | - Rodrigo Soares Fortunato
- Carlos Chagas Filho Biophysics Institute, Rio de Janeiro Federal University, Rio de Janeiro, Brazil
| | - Denise Pires de Carvalho
- Carlos Chagas Filho Biophysics Institute, Rio de Janeiro Federal University, Rio de Janeiro, Brazil
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Abstract
Almost 200 years ago, the first evidence described by Robert Bright (1836) showed the strong interaction between the kidneys and heart and, since then, the scientific community has dedicated itself to better understanding the mechanisms involved in the kidney-heart relationship, known in recent decades as cardiorenal syndrome (CRS). This syndrome includes a wide clinical variety that affects the kidneys and heart, in an acute or chronic manner. Moreover, it is well established in the literature that the immune system, the sympathetic nervous system, the renin-angiotensin-aldosterone, and the oxidative stress actively play a strong role in the cellular and molecular processes present in CRS. More recently, uremic molecules and epigenetic factors have been also shown to be key mediators in the development of syndrome. The present review intends to present the state of the art regarding CRS and to show the paths known, until now, in the long road between the kidneys and heart.
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Wang Y, Wu CJ, Du Y, Liu YQ, Cai JR, Wu XQ, Hu SQ. SIRT2 tyrosine nitration by peroxynitrite in response to renal ischemia/reperfusion injury. Free Radic Res 2022; 55:1104-1118. [PMID: 34979841 DOI: 10.1080/10715762.2021.2024529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Reactive oxygen species (ROS) and reactive nitrogen species (RNS) are the production of renal ischemia/reperfusion (I/R). The current study is to elucidate a mechanism of SIRT2 tyrosine nitration to accelerate the cell apoptosis induced by peroxynitrite (ONOO‾), the most reactive and deleterious RNS type in renal ischemia/reperfusion (I/R) injury. Our results demonstrate that there is a significant enhancement of the 3-nitrotyrosine levels in renal tissues of Acute Kidney Injury (AKI) patients and rats that underwent renal I/R, and a positive correlation between the 3-nitrotyrosine level and renal function impairment, indicative of an accumulation of peroxynitrite. Notably, peroxynitrite-evoked nitration of SIRT2 destroyed its enzymatic activity and the capability to deacetylate FOXO3a, and enhanced expression of Bim and caspase3, facilitating renal cell apoptosis in renal ischemia/reperfusion and SIN-1(peroxynitrite donor) treatment in vitro, and these effects were reversed by FeTMPyP, a peroxynitrite decomposition scavenger. Importantly, we identified that the tyrosine 86 is responsible for SIRT2 nitration and inactivation using site-mutation assay and Mass Spectrography analysis. Altogether, these findings point to a novel protective mechanism that an inhibition of SIRT2 tyrosine nitration can be a promising strategy to prevent ischemic renal diseases involving AKI.
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Affiliation(s)
- Yan Wang
- Department of Pharmacy, Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy of Xuzhou Medical University, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Chun Jie Wu
- Department of Pharmacy, Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy of Xuzhou Medical University, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yu Du
- Department of Pharmacy, Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy of Xuzhou Medical University, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yu Qing Liu
- The Affiliated Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, China
| | - Jing Ran Cai
- Department of Pharmacy, Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy of Xuzhou Medical University, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Xue Qing Wu
- Department of Pharmacy, Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy of Xuzhou Medical University, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Shu Qun Hu
- Emergency Center, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
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12
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Zhang BH, Liu H, Yuan Y, Weng XD, Du Y, Chen H, Chen ZY, Wang L, Liu XH. Knockdown of TRIM8 Protects HK-2 Cells Against Hypoxia/Reoxygenation-Induced Injury by Inhibiting Oxidative Stress-Mediated Apoptosis and Pyroptosis via PI3K/Akt Signal Pathway. Drug Des Devel Ther 2021; 15:4973-4983. [PMID: 34916780 PMCID: PMC8670861 DOI: 10.2147/dddt.s333372] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/30/2021] [Indexed: 11/23/2022] Open
Abstract
Background Acute kidney injury (AKI) emerges as an acute and critical disease. Tripartite motif 8 (TRIM8), one number of the TRIM protein family, is proved to participate in ischemia/reperfusion (I/R) injury. However, whether TRIM8 is involved in renal I/R injury and the associated mechanisms are currently unclear. Purpose This study aimed to investigate the precise role of TRIM8 and relevant mechanisms in renal I/R injury. Materials and Methods In this study, human renal proximal tubular epithelial cells (HK-2 cells) underwent 12 hours of hypoxia and 2 h, 3 h or 4 h of reoxygenation to establish an in vitro hypoxia/reoxygenation (H/R) model. The siRNAs specific to TRIM8 (si-TRIM8) were transfected into HK-2 cells to knockdown TRIM8. The cell H/R model included various groups including Control, H/R, H/R+DMSO, H/R+NAC, si-NC+H/R, si-TRIM8+H/R and si-TRIM8+LY294002+H/R. The cell viability and levels of reactive oxygen species (ROS), hydrogen peroxide (H2O2), mRNA, apoptotic proteins, pyroptosis-related proteins and PI3K/AKT pathway-associated proteins were assessed. Results In vitro, realtime-quantitative PCR and western-blot analysis showed that the mRNA and protein expression of TRIM8 were obviously upregulated after H/R treatment in HK-2 cells. Compared with the H/R model group, knockdown of TRIM8 significantly increased cell viability and reduced the levels of ROS, H2O2, apoptotic proteins (Cleaved caspasebase-3 and BAX) and pyroptosis-related proteins (NLRP3, ASC, Caspase-1, Caspase-11, IL-1β and GSDMD-N). Western-blot analysis also authenticated that PI3K/AKT pathway was activated after TRIM8 inhibition. The application of 5 mM N-acetyl-cysteine, one highly efficient ROS inhibitor, significantly suppressed the expression of apoptotic proteins and pyroptosis-related proteins. Moreover, the combined treatment of TRIM8 knockdown and LY294002 reversed the effects of inhibiting oxidative stress. Conclusion Knockdown of TRIM8 can alleviate H/R-induced oxidative stress by triggering the PI3K/AKT pathway, thus attenuating pyropyosis and apoptosis in vitro.
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Affiliation(s)
- Bang-Hua Zhang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China.,Hubei Key Laboratory of Digestive System Disease, Wuhan, Hubei, People's Republic of China
| | - Hao Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China.,Hubei Key Laboratory of Digestive System Disease, Wuhan, Hubei, People's Republic of China
| | - Yan Yuan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China.,Hubei Key Laboratory of Digestive System Disease, Wuhan, Hubei, People's Republic of China
| | - Xiao-Dong Weng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China
| | - Yang Du
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China
| | - Hui Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China
| | - Zhi-Yuan Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China
| | - Lei Wang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China
| | - Xiu-Heng Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China
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13
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Curcumin Protects against Renal Ischemia/Reperfusion Injury by Regulating Oxidative Stress and Inflammatory Response. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:8490772. [PMID: 34812266 PMCID: PMC8605918 DOI: 10.1155/2021/8490772] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 10/18/2021] [Indexed: 12/11/2022]
Abstract
Objective The aim of this study was to explore the pharmacological effects of curcumin on oxidative stress and inflammatory response of renal dysfunction induced by renal ischemia/reperfusion (RIRI). Methods Fifty male SD rats (Sprague Dawley) were randomly divided into the sham group, RIRI group, and curcumin group (low, medium, and high). The RIRI model was established by clipping the left renal artery for 45 min and then reperfusion for 24 h and resection of the contralateral kidney. In the curcumin group, curcumin was intraperitoneally injected once a day for 3 consecutive days using different dosage regimens. The RIRI group was intraperitoneally administered with normal saline. Renal injury was evaluated by measuring the concentration of creatinine (Cr) and urea nitrogen (BUN) in serum. Oxidative stress was assessed by assessing the level of malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione (GSH), and iron reduction/antioxidant capacity (FRAP) in tissues. In addition, the protective effect of RIRI was investigated by measuring Paller scores, the level of serum inflammatory factors and caspase-3, and the number of apoptotic cells. Results Ischemia/reperfusion resulted in increased levels of Cr and BUN in serum and MDA in tissues and decreased levels of SOD, CAT, GPx, GSH, and FRAP. Curcumin pretreatment strikingly increased the level of SOD, CAT, GPx, GSH, IL-10, IFN-γ, and FRAP and significantly decreased MDA, Cr, BUN, IL-8, TNF-α, IL-6, and myeloperoxidase (MPO) expressions in tissues. Conclusion Curcumin can relieve the degree of renal injury and improve renal function in ischemia-reperfusion, which may be related to the fact that curcumin can increase SOD content in serum and reduce MDA and FRAP levels in the rat model.
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14
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Zhu J, Qiu JG, Xu WT, Ma HX, Jiang K. Alamandine protects against renal ischaemia-reperfusion injury in rats via inhibiting oxidative stress. J Pharm Pharmacol 2021; 73:1491-1502. [PMID: 34244746 DOI: 10.1093/jpp/rgab091] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/06/2021] [Indexed: 01/06/2023]
Abstract
OBJECTIVE This study was to determine whether alamandine (Ala) could reduce ischaemia and reperfusion (I/R) injury of kidney in rats. METHODS Renal I/R was induced by an occlusion of bilateral renal arteries for 70 min and a 24-h reperfusion in vivo, and rat kidney proximal tubular epithelial cells NRK52E were exposed to 24 h of hypoxia and followed by 3-h reoxygenation (H/R) in vitro. RESULTS The elevated serum creatinine (Cr), blood cystatin C (CysC) and blood urea nitrogen (BUN) levels in I/R rats were inhibited by Ala treatment. Tumour necrosis factor alpha (TNF)-α, IL-1β, IL-6, cleaved caspase-3, cleaved caspase-8 and Bax were increased, and Bcl2 was reduced in the kidney of I/R rats, which were reversed by Ala administration. Ala reversed the increase of TNF-α, IL-1β, IL-6, cleaved caspase-3, cleaved caspase-8 and Bax and the decrease of Bcl2 in the H/R NRK52E cells. Ala could also inhibit the increase of oxidative stress levels in the kidney of I/R rats. NADPH oxidase 1 (Nox1) overexpression reversed the improving effects of Ala on renal function, inflammation and apoptosis of I/R rats. CONCLUSION These results indicated that Ala could improve renal function, attenuate inflammation and apoptosis in the kidney of I/R rats via inhibiting oxidative stress.
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Affiliation(s)
- Jue Zhu
- Department of Nephrology, People's Hospital of Liyang, Changzhou, China
| | - Jian-Guo Qiu
- Department of Urology, Lianshui People's Hospital Affiliated to Kangda College of Nanjing Medical University, Huaian, China
| | - Wei-Tao Xu
- Department of Nephrology, Zaozhuang Mining Group Central Hospital, Zaozhuang, China
| | - Hong-Xiang Ma
- Department of Urology, People's Hospital of Liyang, Changzhou, China
| | - Ke Jiang
- Department of Urology, People's Hospital of Liyang, Changzhou, China
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15
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Zhao S, Chen W, Li W, Yu W, Li S, Rao T, Ruan Y, Zhou X, Liu C, Qi Y, Cheng F. LncRNA TUG1 attenuates ischaemia-reperfusion-induced apoptosis of renal tubular epithelial cells by sponging miR-144-3p via targeting Nrf2. J Cell Mol Med 2021; 25:9767-9783. [PMID: 34547172 PMCID: PMC8505827 DOI: 10.1111/jcmm.16924] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/17/2021] [Accepted: 09/01/2021] [Indexed: 12/22/2022] Open
Abstract
Renal ischaemia/reperfusion (I/R) injury may induce kidney damage and dysfunction, in which oxidative stress and apoptosis play important roles. Long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) are reported to be closely related to renal I/R, but the specific molecular mechanism is still unclear. The purpose of this research was to explore the regulatory effect of lncRNA TUG1 on oxidative stress and apoptosis in renal I/R injury. This research revealed that in renal I/R injury and hypoxia/reperfusion (H/R) injury in vitro, the expression level of lncRNA TUG1 was upregulated, and oxidative stress levels and apoptosis levels were negatively correlated with the expression level of lncRNA TUG1. Using bioinformatics databases such as TargetScan and microRNA.org, microRNA-144-3p (miR-144-3p) was predicted to be involved in the association between lncRNA TUG1 and Nrf2. This study confirmed that the level of miR-144-3p was significantly reduced following renal I/R injury and H/R injury in vitro, and miR-144-3p was determined to target Nrf2 and inhibit its expression. In addition, lncRNA TUG1 can reduce the inhibitory effect of miR-144-3p on Nrf2 by sponging miR-144-3p. In summary, our research shows that lncRNA TUG1 regulates oxidative stress and apoptosis during renal I/R injury through the miR-144-3p/Nrf2 axis, which may be a new treatment target for renal I/R injury.
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Affiliation(s)
- Sheng Zhao
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Wu Chen
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Wei Li
- Department of AnesthesiologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Weimin Yu
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Siqi Li
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Ting Rao
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Yuan Ruan
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Xiangjun Zhou
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Cong Liu
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Yucheng Qi
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
| | - Fan Cheng
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanChina
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16
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Kovacevic S, Ivanov M, Zivotic M, Brkic P, Miloradovic Z, Jeremic R, Mihailovic-Stanojevic N, Vajic UJ, Karanovic D, Jovovic D, Nesovic Ostojic J. Immunohistochemical Analysis of 4-HNE, NGAL, and HO-1 Tissue Expression after Apocynin Treatment and HBO Preconditioning in Postischemic Acute Kidney Injury Induced in Spontaneously Hypertensive Rats. Antioxidants (Basel) 2021; 10:antiox10081163. [PMID: 34439411 PMCID: PMC8388865 DOI: 10.3390/antiox10081163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 01/07/2023] Open
Abstract
Oxidative stress has been considered as a central aggravating factor in the development of postischemic acute kidney injury (AKI). The aim of this study was to perform the immunohistochemical analysis of 4-hydroxynonenal (4-HNE), neutrophil gelatinase-associated lipocalin (NGAL), and heme oxygenase-1 (HO-1) tissue expression after apocynin (APO) treatment and hyperbaric oxygenation (HBO) preconditioning, applied as single or combined protocol, in postischemic acute kidney injury induced in spontaneously hypertensive rats (SHR). Twenty-four hours before AKI induction, HBO preconditioning was carried out by exposing to pure oxygen (2.026 bar) twice a day, for 60 min in two consecutive days. Acute kidney injury was induced by removal of the right kidney while the left renal artery was occluded for 45 min by atraumatic clamp. Apocynin was applied in a dose of 40 mg/kg body weight, intravenously, 5 min before reperfusion. We showed increased 4-HNE renal expression in postischemic AKI compared to Sham-operated (SHAM) group. Apocynin treatment, with or without HBO preconditioning, improved creatinine and phosphate clearances, in postischemic AKI. This improvement in renal function was accompanied with decreased 4-HNE, while HO-1 kidney expression restored close to the control group level. NGAL renal expression was also decreased after apocynin treatment, and HBO preconditioning, with or without APO treatment. Considering our results, we can say that 4-HNE tissue expression can be used as a marker of oxidative stress in postischemic AKI. On the other hand, apocynin treatment and HBO preconditioning reduced oxidative damage, and this protective effect might be expected even in experimental hypertensive condition.
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Affiliation(s)
- Sanjin Kovacevic
- Department of Pathophysiology, Medical Faculty, University of Belgrade, 11000 Belgrade, Serbia;
| | - Milan Ivanov
- Department of Cardiovascular Physiology, Institute for Medical Research, University of Belgrade, 11129 Belgrade, Serbia; (M.I.); (Z.M.); (N.M.-S.); (U.J.V.); (D.K.); (D.J.)
| | - Maja Zivotic
- Institute of Pathology, Medical Faculty, University of Belgrade, 11000 Belgrade, Serbia;
| | - Predrag Brkic
- Department of Medical Physiology, Medical Faculty, University of Belgrade, 11000 Belgrade, Serbia; (P.B.); (R.J.)
| | - Zoran Miloradovic
- Department of Cardiovascular Physiology, Institute for Medical Research, University of Belgrade, 11129 Belgrade, Serbia; (M.I.); (Z.M.); (N.M.-S.); (U.J.V.); (D.K.); (D.J.)
| | - Rada Jeremic
- Department of Medical Physiology, Medical Faculty, University of Belgrade, 11000 Belgrade, Serbia; (P.B.); (R.J.)
| | - Nevena Mihailovic-Stanojevic
- Department of Cardiovascular Physiology, Institute for Medical Research, University of Belgrade, 11129 Belgrade, Serbia; (M.I.); (Z.M.); (N.M.-S.); (U.J.V.); (D.K.); (D.J.)
| | - Una Jovana Vajic
- Department of Cardiovascular Physiology, Institute for Medical Research, University of Belgrade, 11129 Belgrade, Serbia; (M.I.); (Z.M.); (N.M.-S.); (U.J.V.); (D.K.); (D.J.)
| | - Danijela Karanovic
- Department of Cardiovascular Physiology, Institute for Medical Research, University of Belgrade, 11129 Belgrade, Serbia; (M.I.); (Z.M.); (N.M.-S.); (U.J.V.); (D.K.); (D.J.)
| | - Djurdjica Jovovic
- Department of Cardiovascular Physiology, Institute for Medical Research, University of Belgrade, 11129 Belgrade, Serbia; (M.I.); (Z.M.); (N.M.-S.); (U.J.V.); (D.K.); (D.J.)
| | - Jelena Nesovic Ostojic
- Department of Pathophysiology, Medical Faculty, University of Belgrade, 11000 Belgrade, Serbia;
- Correspondence: ; Tel./Fax: +381-11-2685-340
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17
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Xiang H, Xue W, Li Y, Zheng J, Ding C, Dou M, Wu X. Knockdown of ANGPTL2 Protects Renal Tubular Epithelial Cells Against Hypoxia/Reoxygenation-Induced Injury via Suppressing TLR4/NF-κB Signaling Pathway and Activating Nrf2/HO-1 Signaling Pathway. Cell Transplant 2021; 29:963689720946663. [PMID: 32993399 PMCID: PMC7784569 DOI: 10.1177/0963689720946663] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Renal ischemia/reperfusion (I/R) injury is a particular threat faced by clinicians in kidney transplantation. Previous studies have confirmed the importance of oxidative stress and inflammation in the pathogenesis of I/R injury. Angiopoietin-like protein 2 (ANGPTL2) belongs to the angiopoietin-like family and has been found to be involved in the regulation of kidney function as well as oxidative and inflammatory response. In the present study, we aimed to evaluate the role of ANGPTL2 in renal I/R injury in vitro. The human proximal tubular epithelial cell line (HK-2 cells) was subjected to hypoxia/ reoxygenation (H/R) to mimic I/R injury in vitro. We found that the expression level of ANGPTL2 was markedly increased in H/R-induced HK-2 cells. Knockdown of ANGPTL2 improved the decreased cell viability of HK-2 cells in response to H/R stimulation. Knockdown of ANGPTL2 significantly inhibited the H/R-caused increase in levels of reactive oxygen species, malondialdehyde, and proinflammatory cytokines, including interleukin (IL)-6, IL-1β, and tumor necrosis factor-alpha, as well as a decrease in superoxide dismutase activity in the HK-2 cells. Besides, the increased bax expression and caspase-3 activity and decreased bcl-2 expression in H/R-induced HK-2 cells were also attenuated by knockdown of ANGPTL2. Moreover, ANGPTL2 overexpression showed the opposite effects. Further mechanism investigations proved that the activation of Nrf2/HO-1 signaling pathway and the inhibition of toll-like receptor 4/nuclear factor kappa-light-chain-enhancer of activated B cells signaling pathway were both implicated in the renal-protective effects of ANGPTL2 knockdown on H/R-induced HK-2 cells. Collectively, these findings suggested that ANGPTL2 might be a new possible target for the treatment and prevention of renal I/R injury.
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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, China
| | - Wujun Xue
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yang Li
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jin Zheng
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Chenguang Ding
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Meng Dou
- Department of Kidney Transplant, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaoyan Wu
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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18
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Time course of renal ischemia/reperfusion and distance organ; lung dysfunction in male and female rats. PHYSIOLOGY AND PHARMACOLOGY 2021. [DOI: 10.52547/phypha.26.2.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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19
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Carcy R, Cougnon M, Poet M, Durandy M, Sicard A, Counillon L, Blondeau N, Hauet T, Tauc M, F Pisani D. Targeting oxidative stress, a crucial challenge in renal transplantation outcome. Free Radic Biol Med 2021; 169:258-270. [PMID: 33892115 DOI: 10.1016/j.freeradbiomed.2021.04.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/31/2021] [Accepted: 04/15/2021] [Indexed: 02/07/2023]
Abstract
Disorders characterized by ischemia/reperfusion (I/R) are the most common causes of debilitating diseases and death in stroke, cardiovascular ischemia, acute kidney injury or organ transplantation. In the latter example the I/R step defines both the amplitude of the damages to the graft and the functional recovery outcome. During transplantation the kidney is subjected to blood flow arrest followed by a sudden increase in oxygen supply at the time of reperfusion. This essential clinical protocol causes massive oxidative stress which is at the basis of cell death and tissue damage. The involvement of both reactive oxygen species (ROS) and nitric oxides (NO) has been shown to be a major cause of these cellular damages. In fact, in non-physiological situations, these species escape endogenous antioxidant control and dangerously accumulate in cells. In recent years, the objective has been to find clinical and pharmacological treatments to reduce or prevent the appearance of oxidative stress in ischemic pathologies. This is very relevant because, due to the increasing success of organ transplantation, clinicians are required to use limit organs, the preservation of which against oxidative stress is crucial for a better outcome. This review highlights the key actors in oxidative stress which could represent new pharmacological targets.
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Affiliation(s)
- Romain Carcy
- Université Côte d'Azur, CNRS, LP2M, Nice, France; CHU Nice, Hôpital Pasteur 2, Service de Réanimation Polyvalente et Service de Réanimation des Urgences Vitales, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France
| | - Marc Cougnon
- Université Côte d'Azur, CNRS, LP2M, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France
| | - Mallorie Poet
- Université Côte d'Azur, CNRS, LP2M, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France
| | - Manon Durandy
- Université Côte d'Azur, CNRS, LP2M, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France
| | - Antoine Sicard
- Université Côte d'Azur, CNRS, LP2M, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France; CHU Nice, Hôpital Pasteur 2, Service de Néphrologie-Dialyse-Transplantation, Nice, France; Clinical Research Unit of Université Côte d'Azur (UMR2CA), France
| | - Laurent Counillon
- Université Côte d'Azur, CNRS, LP2M, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France
| | | | - Thierry Hauet
- Université de Poitiers, INSERM, IRTOMIT, CHU de Poitiers, La Milétrie, Poitiers, France
| | - Michel Tauc
- Université Côte d'Azur, CNRS, LP2M, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France
| | - Didier F Pisani
- Université Côte d'Azur, CNRS, LP2M, Nice, France; Laboratories of Excellence Ion Channel Science and Therapeutics, Nice, France.
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Hu X, Ding C, Ding X, Fan P, Zheng J, Xiang H, Li X, Qiao Y, Xue W, Li Y. Inhibition of myeloid differentiation protein 2 attenuates renal ischemia/reperfusion-induced oxidative stress and inflammation via suppressing TLR4/TRAF6/NF-kB pathway. Life Sci 2020; 256:117864. [PMID: 32474021 DOI: 10.1016/j.lfs.2020.117864] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 12/18/2022]
Abstract
As a major risk factor of acute kidney injury, renal ischemia/reperfusion (I/R) has a high mortality rate. Myeloid differentiation protein 2 (MD-2) is a secretory glycoprotein that plays an important role in inflammation. Our study aimed to explore the roles of MD-2 in I/R-induced inflammation and oxidative stress in vivo and in vitro. For the in vivo studies, male C57BL/6 mice were randomly divided into four groups: 1) sham, 2) I/R, 3) negative control for siRNA (siNC) and I/R treatment, or 4) MD-2 siRNA (siMD-2) and I/R. Levels of blood urea nitrogen and creatinine in the plasma were tested, and hematoxylin and eosin staining was performed at 24 h after I/R injury. The inflammatory cytokines TNF-α, IL-6, and MCP-1 were measured using ELISA and Real-time qPCR (RT-qPCR). Malondialdehyde (MDA) content and superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) activity were estimated. For the in vitro studies, HK-2 cells were transfected with siMD-2 and then exposed to hypoxia/reoxygenation (H/R). Inflammatory cytokine expression and oxidative stress then were evaluated. We found decreased levels of blood urea nitrogen and creatinine levels after MD-2 silencing. MD-2 deficiency improved histological damage. MD-2 downregulation attenuated levels of inflammatory cytokines. Inhibition of MD-2 resulted in reduced MDA content and increased SOD, CAT, and GPx activity. Loss of function of MD-2 inhibited the H/R-induced production and expression of inflammatory cytokines. MD-2 silencing reduced MDA content after H/R, and MD-2 suppression enhanced SOD, CAT, and GPx activity. MD-2 deficiency also blocked H/R-mediated activation of the TLR4/TRAF6/NF-κB pathway, and pyrrolidinedithiocarbamate (PDTC) pretreatment strengthened the anti-inflammatory and antioxidant damage effects of MD-2 silencing. Taken together, our study revealed that MD-2 deficiency ameliorated renal I/R-induced inflammation and oxidative stress via inhibition of TLR4/TRAF6/NF-κB pathway.
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Affiliation(s)
- Xiaojun Hu
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Chenguang Ding
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Xiaoming Ding
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Ping Fan
- Department of Rheumatism and Immunology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Jin Zheng
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Heli Xiang
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Xiao Li
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Yuxi Qiao
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Wujun Xue
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
| | - Yang Li
- Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
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21
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Zhu L, Hu B, Guo Y, Yang H, Zheng J, Yao X, Hu H, Liu H. Effect of Chitosan oligosaccharides on ischemic symptom and gut microbiota disbalance in mice with hindlimb ischemia. Carbohydr Polym 2020; 240:116271. [PMID: 32475560 DOI: 10.1016/j.carbpol.2020.116271] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 03/16/2020] [Accepted: 04/07/2020] [Indexed: 02/07/2023]
Abstract
This study was designed to explore the effect of Chitosan oligosaccharides (COS) on mouse hindlimb ischemia by femoral artery ligation. Here, we demonstrated that COS treatment statistically promoted the blood perfusion and neovascularization in ischemic hindlimb of mice, accompanied by the suppression of inflammation and oxidative stress. By 16S rDNA gene sequencing, the disbalanced gut microbiota was observed in ischemic mice, while COS treatment, at least in part, restored the abundance changes of some intestinal bacteria at either phylum or genus levels. Based on metabolomics analysis on mouse plasma by UPLC-QTOF-MS, we screened 20 metabolites with the largest responses to ischemia, several of which were markedly reversed by COS. By Spearman's correlation analysis, the changed metabolites might act as a bridge between improved intestinal bacterial structure and alleviated hindlimb ischemia of mice treated by COS. Our studies point towards a potential role of COS in treatment of peripheral ischemia diseases.
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Affiliation(s)
- Lin Zhu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Baifei Hu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Yanlei Guo
- Chongqing Academy of Chinese Materia Medica, Nanshan Road 34, Chongqing 400065, PR China
| | - Huabing Yang
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Junping Zheng
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Xiaowei Yao
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Haiming Hu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China.
| | - Hongtao Liu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China; Chongqing Academy of Chinese Materia Medica, Nanshan Road 34, Chongqing 400065, PR China.
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22
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Liu C, Huang L, Li C, Shen Y, Wang J. [Blocking pannexin-1 alleviates cisplatin-induced acute kidney injury in mice by reducing renal inflammatory cell infiltration]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2019; 39:508-514. [PMID: 31140412 DOI: 10.12122/j.issn.1673-4254.2019.05.02] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To investigate the effect of blocking pannexin-1 against acute kidney injury induced by cisplatin. METHODS Twenty-six male C57BL/6 mice aged 6-8 weeks were randomly divided into control group, cisplatin model (Cis) group and cisplatin + carbenoxolone treatment group (Cis + CBX). In Cis group and Cis + CBX group, the mice were injected intraperitoneally with 20 mg/kg of cisplatin and with CBX (20 mg/kg) at 30 min before and 24 and 48 h after cisplatin inhjection, respectively. All the mice were sacrificed at 72 h after cisplatin injection, and plasma and kidney samples were collected for testing mRNA and protein expression levels of pannexin-1 in the renal tissue using RT-qPCR and Western blotting and for detecting plasma creatinine and BUN levels; the pathological changes in the renal tissues were observed using Periodic Acid-Schiff staining. The expression of kidney injury molecule 1 (KIM-1) was examined using immunohistochemistry and the mRNA expressions of KIM-1 and neutrophil gelatinase- related lipid transport protein (NGAL) were detected by RT-qPCR to evaluate the injuries of the renal tubules. The infiltration of F4/80-positive macrophages and CD4-positive T cells were observed by immunofluorescence. In the in vitro experiment, human proximal tubule epithelial cell line HK-2 was stimulated with 50 μmol/L cisplatin to establish a cell model of acute kidney injury, and the mRNA and protein expressions of pannexin-1 were detected by RT-qPCR and Western blotting at 4, 6, 12, 18 and 24 h after the stimulation. RESULTS Compared with the control mice, the cisplatin-treated mice showed significantly up-regulated protein levels (P < 0.05) and mRNA levels (P < 0.005) of pannexin-1 in the kidney tissue. Cisplatin stimulation also caused significant increases in the protein levels (P < 0.005) and mRNA levels (P < 0.005) of pannexin-1 in cultured HK-2 cells. Compared with cisplatin-treated mice, the mice treated with both cisplatin and the pannexin-1 inhibitor CBX showed obviously lessened kidney pathologies and milder renal tubular injuries with significantly reduced plasma BUN and Scr levels (P < 0.01), expressions of KIM-1 and NGAL in the kidney (P < 0.05), and infiltration of F4/80-positive macrophages (P < 0.01) and CD4- positive T cells (P < 0.05) in the kidney tissues. CONCLUSIONS In cisplatin induced acute kidney injury mice model, Pannexin-1 expression is up-regulated in the kidneys tissue, and blocking pannexin-1 alleviates the acute kidney injury via reducing renal inflammatory cell infiltration.
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Affiliation(s)
- Chongbin Liu
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Department of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Liuwei Huang
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Department of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Caizhen Li
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Department of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yanting Shen
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Department of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jun Wang
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Department of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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23
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Jung H, Choi EK, Baek SI, Cho C, Jin Y, Kwak KH, Jeon Y, Park SS, Kim S, Lim DG. The Effect of Nitric Oxide on Remote Ischemic Preconditioning in Renal Ischemia Reperfusion Injury in Rats. Dose Response 2019; 17:1559325819853651. [PMID: 31191188 PMCID: PMC6542129 DOI: 10.1177/1559325819853651] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 12/12/2022] Open
Abstract
Although remote ischemic preconditioning (RIPC) is an organ-protective maneuver from subsequent ischemia reperfusion injury (IRI) by application of brief ischemia and reperfusion to other organs, its mechanism remains unclear. However, it is known that RIPC reduces the heart, brain, and liver IRI, and that nitric oxide (NO) is involved in the mechanism of this effect. To identify the role of NO in the protective effect of RIPC in renal IRI, this study examined renal function, oxidative status, and histopathological changes using N-nitro-L-arginine methyl ester (L-NAME), an NO synthase inhibitor. Remote ischemic preconditioning was produced by 3 cycles of 5 minutes ischemia and 5 minutes reperfusion. Blood urea nitrogen, creatinine (Cr), and renal tissue malondialdehyde levels were lower, histopathological damage was less severe, and superoxide dismutase level was higher in the RIPC + IRI group than in the IRI group. The renoprotective effect was reversed by L-NAME. Obtained results suggest that RIPC before renal IRI contributes to improvement of renal function, increases antioxidative marker levels, and decreases oxidative stress marker levels and histopathological damage. Moreover, NO is likely to play an important role in this protective effect of RIPC on renal IRI.
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Affiliation(s)
- Hoon Jung
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Eun Kyung Choi
- Department of Anesthesiology and Pain Medicine, Yeungnam University College of Medicine, Daegu, Republic of Korea
| | - Seung Ik Baek
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Changhee Cho
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Yehun Jin
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Kyung Hwa Kwak
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Younghoon Jeon
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Sung-Sik Park
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Sioh Kim
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Dong Gun Lim
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
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Effects of propofol on the inflammatory response during robot-assisted laparoscopic radical prostatectomy: a prospective randomized controlled study. Sci Rep 2019; 9:5242. [PMID: 30918320 PMCID: PMC6437140 DOI: 10.1038/s41598-019-41708-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 02/21/2019] [Indexed: 12/20/2022] Open
Abstract
Robot-assisted laparoscopic radical prostatectomy (RALRP) is a minimally invasive procedure; however, some amount of surgical trauma that can trigger systemic inflammation remains. Moreover, pneumoperitoneum during RALRP induces ischemia–reperfusion injury (IRI). Propofol, an anesthetic, is known to have anti-inflammatory and antioxidant properties. In the present study, we compared the effects of propofol with those of desflurane on inflammation and IRI during RALRP via measurements of different biomarkers and evaluation of perioperative renal function. Fifty patients were randomized to receive either desflurane (n = 25) or propofol (n = 25) with remifentanil during RALRP. Serum levels of interleukin (IL)-6 (IL-6), tumor necrosis factor alpha, C-reactive protein, and nitric oxide were measured 10 min after anesthesia induction (T1), 100 min after carbon dioxide (CO2) insufflation (T2), and 10 min after CO2 deflation (T3). Perioperative urine outputs and the serum creatinine level at 24 h after surgery were also recorded. We found that IL-6 levels at T2 and T3 were higher than those at T1 in both groups, although the increases were significant attenuated only in the propofol group. The other parameters showed no differences among the three time points in both groups. The intraoperative urine output was significantly higher in the propofol group than in the desflurane group, while the creatinine level showed no significant changes in either group. Our findings suggest that propofol can not only attenuate the inflammatory response during and after pneumoperitoneum in patients undergoing RALRP but also prevent oliguria during pneumoperitoneum.
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25
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Metabolomic analysis reveals a protective effect of Fu-Fang-Jin-Qian-Chao herbal granules on oxalate-induced kidney injury. Biosci Rep 2019; 39:BSR20181833. [PMID: 30737304 PMCID: PMC6386768 DOI: 10.1042/bsr20181833] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 01/31/2019] [Accepted: 02/07/2019] [Indexed: 02/07/2023] Open
Abstract
Nephrolithiasis is one of the world’s major public health burdens with a high incidence and a risk of persistent renal dysfunction. Fu-Fang-Jin-Qian-Chao granules (FFJQC), a traditional Chinese herb formula, is commonly used in treatment of nephrolithiasis. However, the therapeutic mechanism of FFJQC on kidney stone has still been a mystery. The objective of the present study is to explore the therapeutic mechanism of FFJQC on kidney injury and identify unique metabolomics patterns using a mouse model of kidney stone induced by a calcium oxalate (CaOx) deposition. Von Kossa staining and immuno-histopathological staining of osteopontin (OPN), cluster of differentiation 44 (CD44) and calbindin-D28k were conducted on renal sections. Biochemical analysis was performed on serum, urine, and kidney tissues. A metabolomics approach based on ultra-HPLC coupled with quadrupole-TOF-MS (UHPLC-Q-TOF/MS) was used for serum metabolic profiling. The immunohistopathological and biochemical analysis showed the therapeutic benefits of FFJQC. The expression levels of OPN and CD44 were decreased while calbindin-D28k increased after the CaOx injured mice were treated with FFJQC. In addition, total of 81 serum metabolites were identified to be associated with protective effects of FFJQC on CaOx crystal injured mice. Most of these metabolites were involved in purine, amino acid, membrane lipid and energy metabolism. Potential metabolite biomarkers were found for CaOx crystal-induced renal damage. Potential metabolite biomarkers of CaOx crystal-induced renal damage were found. FFJQC shows therapeutic benefits on CaOx crystal injured mice via regulation of multiple metabolic pathways including amino acids, purine, pyrimidine, glycerolipid, arachidonic acid (AA), sphingolipid, glycerophospholipid, and fatty acid.
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Gong J, Wang X. Schisantherin A protects renal tubular epithelial cells from hypoxia/reoxygenation injury through the activation of PI3K/Akt signaling pathway. J Biochem Mol Toxicol 2018; 32:e22160. [PMID: 29785781 DOI: 10.1002/jbt.22160] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 04/24/2018] [Accepted: 05/03/2018] [Indexed: 01/10/2023]
Abstract
Schisantherin A (SchA), a dibenzocyclooctadiene lignan isolated from the fruit of Schisandra sphenanthera, was reported to possess anti-inflammatory and antioxidant activities. However, its protective effect against renal ischemia-reperfusion (I/R) injury in human renal tubular epithelial cells subjected to hypoxia/reoxygenation (H/R) has never been studied. Thus, herein, we investigated the effect of SchA on renal I/R injury in vitro. Our results demonstrated that SchA pretreatment significantly improved HK-2 cell viability exposed to H/R. Pretreatment with SchA markedly inhibited the levels of reactive oxygen species and malondialdehyde, as well as suppressed the production of tumor necrosis factor-α (TNF-α), interleukin-1β, and interleukin-6 in H/R-stimulated HK-2 cells. In addition, SchA also suppressed H/R-induced HK-2 cell apoptosis. Furthermore, this protective effect of SchA was mediated through the PI3K/Akt signaling pathway in HK-2 cells. These findings showed that SchA may exert a protective effect on renal tubular epithelial cells against H/R injury through the activation of PI3K/Akt signaling pathway.
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Affiliation(s)
- Jiachuan Gong
- Department of Nephrology and Rheumatology, The First People's Hospital of Shangqiu, Shangqiu, 476100, Henan, People's Republic of China
| | - Xuezhen Wang
- Department of Nephrology and Rheumatology, The First People's Hospital of Shangqiu, Shangqiu, 476100, Henan, People's Republic of China
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27
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More than a simple biomarker: the role of NGAL in cardiovascular and renal diseases. Clin Sci (Lond) 2018; 132:909-923. [PMID: 29739822 DOI: 10.1042/cs20171592] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/05/2018] [Accepted: 04/04/2018] [Indexed: 12/15/2022]
Abstract
Neutrophil gelatinase-associated lipocalin (NGAL) is a small circulating protein that is highly modulated in a wide variety of pathological situations, making it a useful biomarker of various disease states. It is one of the best markers of acute kidney injury, as it is rapidly released after tubular damage. However, a growing body of evidence highlights an important role for NGAL beyond that of a biomarker of renal dysfunction. Indeed, numerous studies have demonstrated a role for NGAL in both cardiovascular and renal diseases. In the present review, we summarize current knowledge concerning the involvement of NGAL in cardiovascular and renal diseases and discuss the various mechanisms underlying its pathological implications.
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28
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Weng XF, Li ST, Song Q, Zhu Q, Song DD, Qin ZH, Xie Y. Protective Effect of Nicotinamide Adenine Dinucleotide Phosphate on Renal Ischemia-Reperfusion Injury. Kidney Blood Press Res 2018; 43:651-663. [PMID: 29734167 DOI: 10.1159/000489620] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 04/26/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Renal ischemia-reperfusion injury (IRI) is a common consequence of acute kidney injury. Nicotinamide adenine dinucleotide phosphate (NADPH), which is derived from the pentose phosphate pathway, is essential for the proper functioning of essential redox and antioxidant defense systems. Previous studies have indicated that NADPH is responsible for protecting the brain from ischemic injury. The goal of this study was to analyze the protective function of NADPH in renal IRI. METHODS The IRI animal model was generated through a midline laparotomy surgery that clamped both sides of the renal pedicles for 40 min to induce renal ischemia. The in vitro model was generated by removing oxygen and glucose from human kidney epithelial cells (HK-2 cells), followed by reoxygenation to imitate IRI. Renal function and histopathological changes were observed and evaluated. Additionally, malondialdehyde and glutathione levels were determined in renal tissue homogenate as indicators of oxidative stress. ROS production in cells was determined by DHE staining. Protein biomarker expression was evaluated by western blot, apoptosis was analyzed by TUNEL staining, and p65 nuclear translocation was visualized by immunofluorescence. RESULTS Our data indicated that NADPH safeguarded the kidneys from histological and functional damage, and significantly reduce cell injury along with preventing potential increases in blood urea nitrogen and creatinine levels. Furthermore, we observed that NADPH increased glutathione levels, while reducing levels of malondialdehyde and reactive oxygen species. Additionally, our results suggested that NADPH treatment may alleviate IRI-induced apoptosis and inflammation. CONCLUSION NADPH treatment may protect against renal IRI and should be further developed as a new treatment for acute kidney injury.
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Affiliation(s)
- Xiao-Fen Weng
- The First Affiliated Hospital of Soochow University, Suzhou, China
- Suzhou Municipal Hospital, Suzhou, China
| | - Song-Tao Li
- People's Hospital of Huangjing, Suzhou, China
| | - Qi Song
- The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Qi Zhu
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Soochow University School of Medicine, Suzhou, China
| | - Dan-Dan Song
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Soochow University School of Medicine, Suzhou, China
| | - Zheng-Hong Qin
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Soochow University School of Medicine, Suzhou, China
| | - Yan Xie
- The First Affiliated Hospital of Soochow University, Suzhou, China,
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29
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Thompson S, Martínez-Burgo B, Sepuru KM, Rajarathnam K, Kirby JA, Sheerin NS, Ali S. Regulation of Chemokine Function: The Roles of GAG-Binding and Post-Translational Nitration. Int J Mol Sci 2017; 18:ijms18081692. [PMID: 28771176 PMCID: PMC5578082 DOI: 10.3390/ijms18081692] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 07/28/2017] [Accepted: 07/30/2017] [Indexed: 12/12/2022] Open
Abstract
The primary function of chemokines is to direct the migration of leukocytes to the site of injury during inflammation. The effects of chemokines are modulated by several means, including binding to G-protein coupled receptors (GPCRs), binding to glycosaminoglycans (GAGs), and through post-translational modifications (PTMs). GAGs, present on cell surfaces, bind chemokines released in response to injury. Chemokines bind leukocytes via their GPCRs, which directs migration and contributes to local inflammation. Studies have shown that GAGs or GAG-binding peptides can be used to interfere with chemokine binding and reduce leukocyte recruitment. Post-translational modifications of chemokines, such as nitration, which occurs due to the production of reactive species during oxidative stress, can also alter their biological activity. This review describes the regulation of chemokine function by GAG-binding ability and by post-translational nitration. These are both aspects of chemokine biology that could be targeted if the therapeutic potential of chemokines, like CXCL8, to modulate inflammation is to be realised.
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Affiliation(s)
- Sarah Thompson
- Applied Immunobiology and Transplantation Group, Institute of Cellular Medicine, Medical School, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK.
| | - Beatriz Martínez-Burgo
- Applied Immunobiology and Transplantation Group, Institute of Cellular Medicine, Medical School, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK.
| | - Krishna Mohan Sepuru
- Department of Biochemistry and Molecular Biology, The University of Texas Medical Branch, 301 University Boulevard, Galveston, TX 77555, USA.
| | - Krishna Rajarathnam
- Department of Biochemistry and Molecular Biology, The University of Texas Medical Branch, 301 University Boulevard, Galveston, TX 77555, USA.
| | - John A Kirby
- Applied Immunobiology and Transplantation Group, Institute of Cellular Medicine, Medical School, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK.
| | - Neil S Sheerin
- Applied Immunobiology and Transplantation Group, Institute of Cellular Medicine, Medical School, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK.
| | - Simi Ali
- Applied Immunobiology and Transplantation Group, Institute of Cellular Medicine, Medical School, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK.
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Abstract
Lipocalin 2 (Lcn2), an innate immune protein, has emerged as a critical iron regulatory protein during physiological and inflammatory conditions. As a bacteriostatic factor, Lcn2 obstructs the siderophore iron-acquiring strategy of bacteria and thus inhibits bacterial growth. As part of host nutritional immunity, Lcn2 facilitates systemic, cellular, and mucosal hypoferremia during inflammation, in addition to stabilizing the siderophore-bound labile iron pool. In this review, we summarize recent advances in understanding the interaction between Lcn2 and iron, and its effects in various inflammatory diseases. Lcn2 exerts mostly a protective role in infectious and inflammatory bowel diseases, whereas both beneficial and detrimental functions have been documented in neurodegenerative diseases, metabolic syndrome, renal disorders, skin disorders, and cancer. Further animal and clinical studies are necessary to unveil the multifaceted roles of Lcn2 in iron dysregulation during inflammation and to explore its therapeutic potential for treating inflammatory diseases.
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Affiliation(s)
- Xia Xiao
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802;
| | - Beng San Yeoh
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802;
| | - Matam Vijay-Kumar
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802; .,Department of Medicine, The Pennsylvania State University Medical Center, Hershey, Pennsylvania 17033
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