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Hejnova L, Hronova A, Drastichova Z, Novotny J. Long-term administration of morphine specifically alters the level of protein expression in different brain regions and affects the redox state. Open Life Sci 2024; 19:20220858. [PMID: 38681734 PMCID: PMC11049758 DOI: 10.1515/biol-2022-0858] [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: 10/11/2023] [Revised: 03/06/2024] [Accepted: 03/17/2024] [Indexed: 05/01/2024] Open
Abstract
We investigated the changes in redox state and protein expression in selected parts of the rat brain induced by a 4 week administration of morphine (10 mg/kg/day). We found a significant reduction in lipid peroxidation that mostly persisted for 1 week after morphine withdrawal. Morphine treatment led to a significant increase in complex II in the cerebral cortex (Crt), which was accompanied by increased protein carbonylation, in contrast to the other brain regions studied. Glutathione levels were altered differently in the different brain regions after morphine treatment. Using label-free quantitative proteomic analysis, we found some specific changes in protein expression profiles in the Crt, hippocampus, striatum, and cerebellum on the day after morphine withdrawal and 1 week later. A common feature was the upregulation of anti-apoptotic proteins and dysregulation of the extracellular matrix. Our results indicate that the tested protocol of morphine administration has no significant toxic effect on the rat brain. On the contrary, it led to a decrease in lipid peroxidation and activation of anti-apoptotic proteins. Furthermore, our data suggest that long-term treatment with morphine acts specifically on different brain regions and that a 1 week drug withdrawal is not sufficient to normalize cellular redox state and protein levels.
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Affiliation(s)
- Lucie Hejnova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Anna Hronova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Zdenka Drastichova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
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Shirzad H, Mousavinezhad SA, Panji M, Ala M. Amlodipine alleviates renal ischemia/reperfusion injury in rats through Nrf2/Sestrin2/PGC-1α/TFAM Pathway. BMC Pharmacol Toxicol 2023; 24:82. [PMID: 38129888 PMCID: PMC10740300 DOI: 10.1186/s40360-023-00722-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Previously, observational studies showed that amlodipine can mitigate calcineurin inhibitor- and contrast-induced acute kidney injury (AKI). Herein, we aimed to measure the effect of amlodipine on renal ischemia/reperfusion (I/R) injury and find the underlying mechanisms. MATERIALS AND METHODS Bilateral renal I/R was induced by clamping the hilum of both kidneys for 30 min. The first dose of amlodipine 10 mg/kg was gavaged before anesthesia. The second dose of amlodipine was administered 24 h after the first dose. Forty-eight hours after I/R, rats were anesthetized, and their blood and tissue specimens were collected. RESULTS Amlodipine significantly decreased the elevated serum levels of creatinine and blood urea nitrogen (BUN) and mitigated tissue damage in hematoxylin & eosin (H&E) staining. Amlodipine strongly reduced the tissue levels of malondialdehyde (MDA), interleukin 1β (IL1β), and tumor necrosis factor α (TNF-α). Amlodipine enhanced antioxidant defense by upregulating nuclear factor erythroid 2-related factor 2 (Nrf2) and Sestrin2. Furthermore, amlodipine significantly improved mitochondrial biogenesis by promoting Sestrin2/peroxisome proliferator-activated receptor-gamma coactivator (PGC-1α)/mitochondrial transcription factor A (TFAM) pathway. It also enhanced autophagy and attenuated apoptosis, evidenced by increased LC3-II/LC3-I and bcl2/bax ratios after renal I/R. CONCLUSION These findings suggest that amlodipine protects against renal I/R through Nrf2/Sestrin2/PGC-1α/TFAM Pathway.
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Affiliation(s)
- Hadi Shirzad
- Research Center for Life, Health Sciences & Biotechnology of the Police, Directorate of Health, Rescue & Treatment, Police Headquarters, Tehran, Iran
| | - Seyed Amin Mousavinezhad
- Research Center for Life, Health Sciences & Biotechnology of the Police, Directorate of Health, Rescue & Treatment, Police Headquarters, Tehran, Iran
| | - Mohammad Panji
- Research Center for Life, Health Sciences & Biotechnology of the Police, Directorate of Health, Rescue & Treatment, Police Headquarters, Tehran, Iran
| | - Moin Ala
- Research Center for Life, Health Sciences & Biotechnology of the Police, Directorate of Health, Rescue & Treatment, Police Headquarters, Tehran, Iran.
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Repeated Episodes of Ischemia/Reperfusion Induce Heme-Oxygenase-1 (HO-1) and Anti-Inflammatory Responses and Protects against Chronic Kidney Disease. Int J Mol Sci 2022; 23:ijms232314573. [PMID: 36498913 PMCID: PMC9739146 DOI: 10.3390/ijms232314573] [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: 09/29/2022] [Revised: 11/09/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022] Open
Abstract
Preconditioning episodes of ischemia/reperfusion (IR) induce protection against acute kidney injury (AKI), however their long-term effect still unknown. We evaluated AKI to chronic kidney disease (CKD) transition, after three-mild or three-severe episodes of IR. AKI was induced by single bilateral IR (1IR), or three episodes of IR separated by 10-day intervals (3IR) of mild (20 min) or severe (45 min) ischemia. Sham-operated rats served as controls. During 9-months, the 1IR group (20 or 45 min) developed CKD evidenced by progressive proteinuria and renal fibrosis. In contrast, the long-term adverse effects of AKI were markedly ameliorated in the 3IR group. The acute response in 3IR, contrasted with the 1IR group, that was characterized by an increment in heme oxygenase-1 (HO-1) and an anti-inflammatory response mediated by a NFkB-p65 phosphorylation and IL-6 decrease, together with an increase in TGF-β, and IL-10 expression, as well as in M2-macrophages. In addition, three episodes of IR downregulated endoplasmic reticulum (ER) stress markers expression, CHOP and BiP. Thus, repeated episodes of IR with 10-day intervals induced long-term renal protection accompanied with HO-1 overexpression and M2-macrophages increase.
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Fard A, Pearson R, Lathan R, Mark PB, Clancy MJ. Perfusate Composition and Duration of Ex-Vivo Normothermic Perfusion in Kidney Transplantation: A Systematic Review. Transpl Int 2022; 35:10236. [PMID: 35634582 PMCID: PMC9130468 DOI: 10.3389/ti.2022.10236] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 04/14/2022] [Indexed: 01/02/2023]
Abstract
Ex-vivo normothermic perfusion (EVNP) is an emerging strategy in kidney preservation that enables resuscitation and viability assessment under pseudo-physiological conditions prior to transplantation. The optimal perfusate composition and duration, however, remain undefined. A systematic literature search (Embase; Medline; Scopus; and BIOSIS Previews) was conducted. We identified 1,811 unique articles dating from January 1956 to July 2021, from which 24 studies were deemed eligible for qualitative analysis. The perfusate commonly used in clinical practice consisted of leukocyte-depleted, packed red blood cells suspended in Ringer’s lactate solution with Mannitol, dexamethasone, heparin, sodium bicarbonate and a specific nutrient solution supplemented with insulin, glucose, multivitamins and vasodilators. There is increasing support in preclinical studies for non-blood cell-based perfusates, including Steen solution, synthetic haem-based oxygen carriers and acellular perfusates with supraphysiological carbogen mixtures that support adequate oxygenation whilst also enabling gradual rewarming. Extended durations of perfusion (up to 24 h) were also feasible in animal models. Direct comparison between studies was not possible due to study heterogeneity. Current evidence demonstrates safety with the aforementioned widely used protocol, however, extracellular base solutions with adequate oxygenation, supplemented with nutrient and metabolic substrates, show promise by providing a suitable environment for prolonged preservation and resuscitation.Systematic Review Registration:https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021231381, identifier PROSPERO 2021 CRD42021231381
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Affiliation(s)
- Amir Fard
- Institute of Cardiovascular and Molecular Sciences, Glasgow University, Glasgow, United Kingdom
- Queen Elizabeth University Hospital, Glasgow, United Kingdom
| | - Robert Pearson
- Queen Elizabeth University Hospital, Glasgow, United Kingdom
- *Correspondence: Robert Pearson, , orcid.org/0000-0003-4199-3099
| | - Rashida Lathan
- Institute of Cardiovascular and Molecular Sciences, Glasgow University, Glasgow, United Kingdom
| | - Patrick B. Mark
- Institute of Cardiovascular and Molecular Sciences, Glasgow University, Glasgow, United Kingdom
| | - Marc J. Clancy
- Queen Elizabeth University Hospital, Glasgow, United Kingdom
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Porter AW, Nguyen DN, Clayton DR, Ruiz WG, Mutchler SM, Ray EC, Marciszyn AL, Nkashama LJ, Subramanya AR, Gingras S, Kleyman TR, Apodaca G, Hendershot LM, Brodsky JL, Buck TM. The molecular chaperone GRP170 protects against ER stress and acute kidney injury in mice. JCI Insight 2022; 7:e151869. [PMID: 35104250 PMCID: PMC8983141 DOI: 10.1172/jci.insight.151869] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 01/28/2022] [Indexed: 01/26/2023] Open
Abstract
Molecular chaperones are responsible for maintaining cellular homeostasis, and one such chaperone, GRP170, is an endoplasmic reticulum (ER) resident that oversees both protein biogenesis and quality control. We previously discovered that GRP170 regulates the degradation and assembly of the epithelial sodium channel (ENaC), which reabsorbs sodium in the distal nephron and thereby regulates salt-water homeostasis and blood pressure. To define the role of GRP170 - and, more generally, molecular chaperones in kidney physiology - we developed an inducible, nephron-specific GRP170-KO mouse. Here, we show that GRP170 deficiency causes a dramatic phenotype: profound hypovolemia, hyperaldosteronemia, and dysregulation of ion homeostasis, all of which are associated with the loss of ENaC. Additionally, the GRP170-KO mouse exhibits hallmarks of acute kidney injury (AKI). We further demonstrate that the unfolded protein response (UPR) is activated in the GRP170-deficient mouse. Notably, the UPR is also activated in AKI when originating from various other etiologies, including ischemia, sepsis, glomerulonephritis, nephrotic syndrome, and transplant rejection. Our work establishes the central role of GRP170 in kidney homeostasis and directly links molecular chaperone function to kidney injury.
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Affiliation(s)
- Aidan W. Porter
- Department of Biological Sciences
- Department of Pediatrics, Nephrology Division
| | | | | | - Wily G. Ruiz
- Department of Medicine, Renal-Electrolyte Division
| | | | - Evan C. Ray
- Department of Medicine, Renal-Electrolyte Division
| | | | | | | | | | - Thomas R. Kleyman
- Department of Medicine, Renal-Electrolyte Division
- Department of Cell Biology, and
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Linda M. Hendershot
- Department of Tumor Cell Biology, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
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Pasten C, Lozano M, Rocco J, Carrión F, Alvarado C, Liberona J, Michea L, Irarrázabal CE. Aminoguanidine Prevents the Oxidative Stress, Inhibiting Elements of Inflammation, Endothelial Activation, Mesenchymal Markers, and Confers a Renoprotective Effect in Renal Ischemia and Reperfusion Injury. Antioxidants (Basel) 2021; 10:antiox10111724. [PMID: 34829595 PMCID: PMC8614713 DOI: 10.3390/antiox10111724] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/02/2021] [Accepted: 10/06/2021] [Indexed: 11/16/2022] Open
Abstract
Oxidative stress produces macromolecules dysfunction and cellular damage. Renal ischemia-reperfusion injury (IRI) induces oxidative stress, inflammation, epithelium and endothelium damage, and cessation of renal function. The IRI is an inevitable process during kidney transplantation. Preliminary studies suggest that aminoguanidine (AG) is an antioxidant compound. In this study, we investigated the antioxidant effects of AG (50 mg/kg, intraperitoneal) and its association with molecular pathways activated by IRI (30 min/48 h) in the kidney. The antioxidant effect of AG was studied measuring GSSH/GSSG ratio, GST activity, lipoperoxidation, iNOS, and Hsp27 levels. In addition, we examined the effect of AG on elements associated with cell survival, inflammation, endothelium, and mesenchymal transition during IRI. AG prevented lipid peroxidation, increased GSH levels, and recovered the GST activity impaired by IRI. AG was associated with inhibition of iNOS, Hsp27, endothelial activation (VE-cadherin, PECAM), mesenchymal markers (vimentin, fascin, and HSP47), and inflammation (IL-1β, IL-6, Foxp3, and IL-10) upregulation. In addition, AG reduced kidney injury (NGAL, clusterin, Arg-2, and TFG-β1) and improved kidney function (glomerular filtration rate) during IRI. In conclusion, we found new evidence of the antioxidant properties of AG as a renoprotective compound during IRI. Therefore, AG is a promising compound to treat the deleterious effect of renal IRI.
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Affiliation(s)
- Consuelo Pasten
- Laboratorio de Fisiología Integrativa y Molecular, Programa de Fisiología, Centro de Investigación e Innovación Biomédica, Universidad de los Andes, Santiago 7620157, Chile; (C.P.); (M.L.); (J.R.)
- Facultad de Medicina, Universidad de los Andes, Santiago 7620157, Chile
| | - Mauricio Lozano
- Laboratorio de Fisiología Integrativa y Molecular, Programa de Fisiología, Centro de Investigación e Innovación Biomédica, Universidad de los Andes, Santiago 7620157, Chile; (C.P.); (M.L.); (J.R.)
| | - Jocelyn Rocco
- Laboratorio de Fisiología Integrativa y Molecular, Programa de Fisiología, Centro de Investigación e Innovación Biomédica, Universidad de los Andes, Santiago 7620157, Chile; (C.P.); (M.L.); (J.R.)
| | - Flavio Carrión
- Facultad de Ciencias de la Salud, Universidad del Alba, Santiago 7620157, Chile;
| | - Cristobal Alvarado
- Clinical Research Unit, Hospital Las Higueras, Talcahuano 4260000, Chile;
- Department of Basic Sciences, School of Medicine, Universidad Católica de la Santísima Concepción, Concepción 4030000, Chile
| | - Jéssica Liberona
- Instituto de Ciencias Biomédicas, School of Medicine, Universidad de Chile, Santiago 7620157, Chile; (J.L.); (L.M.)
| | - Luis Michea
- Instituto de Ciencias Biomédicas, School of Medicine, Universidad de Chile, Santiago 7620157, Chile; (J.L.); (L.M.)
- Millennium Institute on Immunology and Immunotheraphy, Santiago 762015, Chile
| | - Carlos E. Irarrázabal
- Laboratorio de Fisiología Integrativa y Molecular, Programa de Fisiología, Centro de Investigación e Innovación Biomédica, Universidad de los Andes, Santiago 7620157, Chile; (C.P.); (M.L.); (J.R.)
- Facultad de Medicina, Universidad de los Andes, Santiago 7620157, Chile
- Correspondence: ; Tel.: +56-2-4129607
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7
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Madbouly N, Azmy A, Salama A, El-Amir A. The nephroprotective properties of taurine-amikacin treatment in rats are mediated through HSP25 and TLR-4 regulation. J Antibiot (Tokyo) 2021; 74:580-592. [PMID: 34253885 DOI: 10.1038/s41429-021-00441-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 06/15/2021] [Indexed: 02/06/2023]
Abstract
Amikacin (AMK) is one of the most effective aminoglycoside antibiotics. However, nephrotoxicity is a major deleterious and dose-limiting side effect associated with its clinical use especially in high dose AMK-treated patients. The present study assessed the ability of taurine (TAU) to alleviate or prevent AMK-induced nephrotoxicity if co-administrated with AMK focusing on inflammation, apoptosis, and fibrosis. Male Sprague Dawley rats were assigned to six equal groups. Group 1: rats received saline (normal control), group 2: normal rats received 50 mg kg-1 TAU intraperitoneally (i.p.). Groups 3 and 4: received AMK (25 or 50 mg kg-1; i.p.). Groups 5 and 6: received TAU (50 mg kg-1; i.p.) concurrently with AMK (25 or 50 mg kg-1; i.p.) for 3 weeks. AMK-induced nephrotoxicity is evidenced by elevated levels of serum creatinine (CRE), blood urea nitrogen (BUN), and uric acid (UA). Histopathological investigations provoked damaging changes in the renal tissues. Heat shock proteins (HSP)25 and Toll-like receptor-4 (TLR-4) elevated levels were involved in the induction of inflammatory reactions and focal fibrosis. The improved activation of TLR-4 may stimulate monocytes to upgrade Interleukin (IL)-18 production rather than IL-10. TAU proved therapeutic effectiveness against AMK-induced renal toxicity through downregulation of HSP25, TLR-4, caspase-3, and IL-18 with up-regulation of IL-10 levels.
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Affiliation(s)
- Neveen Madbouly
- Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt.
| | - Ayman Azmy
- Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
| | - Abeer Salama
- Pharmacology Department, National Research Centre, Cairo, Egypt
| | - Azza El-Amir
- Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
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Junho CVC, Azevedo CAB, da Cunha RS, de Yurre AR, Medei E, Stinghen AEM, Carneiro-Ramos MS. Heat Shock Proteins: Connectors between Heart and Kidney. Cells 2021; 10:cells10081939. [PMID: 34440708 PMCID: PMC8391307 DOI: 10.3390/cells10081939] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/11/2022] Open
Abstract
Over the development of eukaryotic cells, intrinsic mechanisms have been developed in order to provide the ability to defend against aggressive agents. In this sense, a group of proteins plays a crucial role in controlling the production of several proteins, guaranteeing cell survival. The heat shock proteins (HSPs), are a family of proteins that have been linked to different cellular functions, being activated under conditions of cellular stress, not only imposed by thermal variation but also toxins, radiation, infectious agents, hypoxia, etc. Regarding pathological situations as seen in cardiorenal syndrome (CRS), HSPs have been shown to be important mediators involved in the control of gene transcription and intracellular signaling, in addition to be an important connector with the immune system. CRS is classified as acute or chronic and according to the first organ to suffer the injury, which can be the heart (CRS type 1 and type 2), kidneys (CRS type 3 and 4) or both (CRS type 5). In all types of CRS, the immune system, redox balance, mitochondrial dysfunction, and tissue remodeling have been the subject of numerous studies in the literature in order to elucidate mechanisms and propose new therapeutic strategies. In this sense, HSPs have been targeted by researchers as important connectors between kidney and heart. Thus, the present review has a focus to present the state of the art regarding the role of HSPs in the pathophysiology of cardiac and renal alterations, as well their role in the kidney–heart axis.
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Affiliation(s)
- Carolina Victória Cruz Junho
- Center of Natural and Human Sciences (CCNH), Laboratory of Cardiovascular Immunology, Federal University of ABC, Santo André 09210-580, Brazil
| | - Carolina Amaral Bueno Azevedo
- Experimental Nephrology Laboratory, Basic Pathology Department, Universidade Federal do Paraná, Curitiba 81531-980, Brazil
| | - Regiane Stafim da Cunha
- Experimental Nephrology Laboratory, Basic Pathology Department, Universidade Federal do Paraná, Curitiba 81531-980, Brazil
| | - Ainhoa Rodriguez de Yurre
- Laboratory of Cardioimmunology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Emiliano Medei
- Laboratory of Cardioimmunology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
- D'Or Institute for Research and Education, Rio de Janeiro 21941-902, Brazil
- National Center for Structural Biology and Bioimaging, Federal University of Rio de Janeiro, Rio de Janeiro 22281-100, Brazil
| | - Andréa Emilia Marques Stinghen
- Experimental Nephrology Laboratory, Basic Pathology Department, Universidade Federal do Paraná, Curitiba 81531-980, Brazil
| | - Marcela Sorelli Carneiro-Ramos
- Center of Natural and Human Sciences (CCNH), Laboratory of Cardiovascular Immunology, Federal University of ABC, Santo André 09210-580, Brazil
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Liu Z, Huang W, Chen Y, Du Z, Zhu F, Wang T, Jiang B. Ischemic postconditioning ameliorates acute kidney injury induced by limb ischemia/reperfusion via transforming TLR4 and NF-κB signaling in rats. J Orthop Surg Res 2021; 16:416. [PMID: 34210334 PMCID: PMC8247170 DOI: 10.1186/s13018-021-02565-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 06/17/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The present study investigated the influence of ischemic postconditioning (I-postC) on the adjustment of renal injury after limb ischemia-reperfusion (I/R) injury, to elucidate the mechanisms of the Toll-like receptor 4 (TLR 4)/NF-κB signaling pathway using histopathological and immunohistochemical methods. METHODS Male Sprague-Dawley rats were randomly assigned to five groups (numbered from 1 to 5): the sham group (Group 1, only the anesthesia procedure was conducted without limb I/R), the I/R group (Group 2, 4 h of reperfusion was conducted following 4 h limb ischemia under anesthesia), the I/R + I-postC group (Group 3, 4 h of ischemia and 4 h of reperfusion was conducted; before perfusion, 5 min of limb ischemia and 5 min of reperfusion were performed in the rats and repeated 3 times), the I/R + TAK group (Group 4, rats were injected with TLR4 antagonist TAK through the caudal vein before limb ischemia and reperfusion under anesthesia), the TAK group (Group 5, rats were injected with TAK, and the anesthesia procedure was conducted without limb I/R). Histological changes in the kidney in different groups were observed, and the extent of tubular injury was assessed. Changes in biochemical indexes and the expression of inflammatory factors, TLR4, and NF-κB were also evaluated. RESULTS Compared with rats in the I/R group, the secretion of inflammatory factors and the expression levels of TLR4 and NF-κB were decreased in rats in the I/R + I-postC group. Histological analysis revealed renal injury, including inflammatory cell infiltration, dilatation of the tubuli lumen, congestion in glomerular capillaries, degeneration of tubuli epithelial cells, and necrosis was ameliorated by I-postC. Immunohistochemical studies showed that I/R-induced elevation in TLR4 and NF-κB expression was reduced by I-postC treatment. Moreover, the expression levels of TLR4, NF-κB, and inflammatory factors in rats in the I/R + TAK group were also decreased, and the renal pathological lesion was alleviated, which was similar to that in rats in the I/R + I-postC group. CONCLUSIONS The present findings suggest that I-postC can reduce tissue injury and kidney inflammation induced by limb I/R injury, possibly via inhibition of the TLR4 and NF-κB pathways.
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Affiliation(s)
- Zhongdi Liu
- National Center for Trauma Medicine, Ministry of Education Key Laboratory of Trauma and Neural Regeneration, Trauma Medicine Center, Peking University People’s Hospital, No. 11 XiZhiMen South Street, Xicheng District, Beijing, 100044 China
| | - Wei Huang
- National Center for Trauma Medicine, Ministry of Education Key Laboratory of Trauma and Neural Regeneration, Trauma Medicine Center, Peking University People’s Hospital, No. 11 XiZhiMen South Street, Xicheng District, Beijing, 100044 China
| | - Yifan Chen
- National Center for Trauma Medicine, Ministry of Education Key Laboratory of Trauma and Neural Regeneration, Trauma Medicine Center, Peking University People’s Hospital, No. 11 XiZhiMen South Street, Xicheng District, Beijing, 100044 China
| | - Zhe Du
- National Center for Trauma Medicine, Ministry of Education Key Laboratory of Trauma and Neural Regeneration, Trauma Medicine Center, Peking University People’s Hospital, No. 11 XiZhiMen South Street, Xicheng District, Beijing, 100044 China
| | - Fengxue Zhu
- National Center for Trauma Medicine, Ministry of Education Key Laboratory of Trauma and Neural Regeneration, Trauma Medicine Center, Peking University People’s Hospital, No. 11 XiZhiMen South Street, Xicheng District, Beijing, 100044 China
| | - Tianbing Wang
- National Center for Trauma Medicine, Ministry of Education Key Laboratory of Trauma and Neural Regeneration, Trauma Medicine Center, Peking University People’s Hospital, No. 11 XiZhiMen South Street, Xicheng District, Beijing, 100044 China
| | - Baoguo Jiang
- National Center for Trauma Medicine, Ministry of Education Key Laboratory of Trauma and Neural Regeneration, Trauma Medicine Center, Peking University People’s Hospital, No. 11 XiZhiMen South Street, Xicheng District, Beijing, 100044 China
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10
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Huang Z, He Y, Li QJ, Wen H, Zhang XY, Tu RH, Zhong GQ. Postconditioning attenuates myocardial ischemia-reperfusion injury by inhibiting complement activation and upregulation of miR-499. Exp Ther Med 2021; 22:684. [PMID: 33986849 PMCID: PMC8111864 DOI: 10.3892/etm.2021.10116] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 02/22/2021] [Indexed: 01/04/2023] Open
Abstract
The complement system plays a vital role in myocardial ischemia/reperfusion (I/R) injury. microRNA (miR)-499 is involved in the cardioprotection of ischemic postconditioning (IPostC). The present study aimed to study the role of the complement system and miR-499 in IPostC. Rat hearts were subjected to coronary ligation for 30 min, followed by reperfusion for 2 h. IPostC was introduced at the onset of reperfusion with three cycles of reperfusion for 30 sec and coronary artery occlusion for 30 sec. To study the role of miR-499 in IPostC, adeno-associated virus (AAV) vectors of miR-499-5p (AAV-miR-499-5p) and miR-499-5p-sponge (AAV-miR-499-5p-sponge) were transfected via tail vein injection, followed by IPostC protocols. Cardiac injury as well as the status of local and systemic complement activation and inflammation were assessed. IPostC significantly attenuated I/R-induced rat cardiomyocyte apoptosis and the myocardial infarct size. These beneficial effects were accompanied by decreased local and circulating complement component (C)3a and C5a levels, decreased inflammatory marker expression, decreased NF-κB signaling and increased cardiac miR-499 expression. AAV-miR-499-5p prevented local and systemic complement activation and inflammation as well as enhanced the cardioprotection of IPostC, whereas AAV-miR-499-5p-sponge produced the opposite effects. In summary, IPostC protected the rat myocardium against I/R injury, by inhibiting local and systemic complement activation; inflammation; NF-κB signaling; and upregulation of miR-499. As such, miR-499 may have a critical role in IPostC-mediated cardioprotection against I/R injury.
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Affiliation(s)
- Zheng Huang
- Department of Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Yan He
- Department of Geriatric Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Nanning, Guangxi 530021, P.R. China
| | - Qing-Jie Li
- Department of Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Hong Wen
- Department of Geriatric Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Nanning, Guangxi 530021, P.R. China
| | - Xin-Yue Zhang
- Department of Geriatric Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Rong-Hui Tu
- Department of Geriatric Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Nanning, Guangxi 530021, P.R. China
| | - Guo-Qiang Zhong
- Department of Cardiology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Nanning, Guangxi 530021, P.R. China
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Jaroszyński A, Zaborowski T, Głuszek S, Zapolski T, Sadowski M, Załuska W, Cedro A, Małecka-Massalska T, Dąbrowski W. Heat Shock Protein 27 Is an Emerging Predictor of Contrast-Induced Acute Kidney Injury on Patients Subjected to Percutaneous Coronary Interventions. Cells 2021; 10:684. [PMID: 33808831 PMCID: PMC8003735 DOI: 10.3390/cells10030684] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 02/03/2023] Open
Abstract
Contrast-induced acute kidney injury (CI-AKI) is a serious complication associated with considerable morbidity and mortality. Heat-shock protein 27 (HSP27) plays a role in the defense of the kidney tissue against various forms of cellular stress, including hypoxia and oxydative stress, both features associated with CI-AKI. The aim of our study was to evaluate a potential predictive value of HSP27 for CI-AKI in patients subjected to percutaneous coronary interventions (PCI). Included were 343 selected patients subjected to PCI. Exclusion criteria were conditions that potentially might influence HSP27 levels. HSP27 serum levels were evaluated prior to PCI, together with serum creatinine, the concentration of which was also evaluated twice at 48 and 72 h post PCI. CI-AKI was diagnosed in 9.3% of patients. Patients in whom CI-AKI was diagnosed were older (p < 0.001), were more often females (p = 0.021), had higher prevalence of diabetes (p = 0.011), hypotension during PCI (p < 0.001), albuminuria (p = 0.004) as well as multivessel disease (p = 0.002), received higher contrast volume (p = 0.006), more often received contrast volume (CV) above the maximum allowed contrast dose (MACD) (p < 0.001), and had lower HSP27 level (p < 0.001). On multivariate analysis, CV > MACD (OR 1.23, p = 0.001), number of diseased vessels (OR 1.27, p = 0.006), and HSP27 (OR 0.81, p = 0.001) remained independent predictors of CI-AKI. Low concentration of HSP27 is an emerging, strong and independent predictor of CI-AKI in patients subjected to PCI.
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Affiliation(s)
- Andrzej Jaroszyński
- Collegium Medicum, Jan Kochanowski University in Kielce, 25-317 Kielce, Poland; (S.G.); (M.S.)
- Department of Nephrology, Wojewódzki Szpital Zespolony in Kielce, 25-736 Kielce, Poland
| | - Tomasz Zaborowski
- Department of Family Medicine, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Stanisław Głuszek
- Collegium Medicum, Jan Kochanowski University in Kielce, 25-317 Kielce, Poland; (S.G.); (M.S.)
| | - Tomasz Zapolski
- Department of Cardiology, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Marcin Sadowski
- Collegium Medicum, Jan Kochanowski University in Kielce, 25-317 Kielce, Poland; (S.G.); (M.S.)
| | - Wojciech Załuska
- Department of Nephrology, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Anna Cedro
- The Institute of Public Health, Jan Kochanowski University in Kielce, 25-317 Kielce, Poland;
| | | | - Wojciech Dąbrowski
- Department of Anesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland;
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Minor T, von Horn C. Reduction of Renal Preservation/Reperfusion Injury by Controlled Hyperthermia During Ex Vivo Machine Perfusion. Clin Transl Sci 2021; 14:544-549. [PMID: 33108687 PMCID: PMC7993317 DOI: 10.1111/cts.12906] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 09/03/2020] [Indexed: 12/26/2022] Open
Abstract
The possible reno-protective effect of a controlled brief heat-shock treatment during isolated ex vivo machine perfusion of donor grafts prior to reperfusion should be investigated in a primary in vitro study. Porcine kidneys (n = 14) were retrieved after 20 minutes of cardiac standstill of the donor and subjected to 20 hours of static cold storage in University of Wisconsin solution. Prior to reperfusion, kidneys were subjected to 2 hours of reconditioning machine perfusion with gradual increase in perfusion temperature up to 35°C. In half of the kidneys (n = 7), a brief hyperthermic impulse (10 minutes perfusion at 42°C) was implemented in the machine perfusion period. Functional recovery of the grafts was observed upon normothermic reperfusion in vitro. Hyperthermic treatment resulted in a 50% increase of heat shock protein (HSP) 70 and HSP 27 mRNA and was accompanied by ~ 50% improvement of tubular re-absorption of sodium and glucose upon reperfusion, compared with the controls. Furthermore, renal loss of aspartate aminotransferase was significantly reduced to one-third of the controls as was urinary protein loss, evaluated by the albumin to creatinine ratio. It is concluded that ex vivo heat-shock treatment seems to be an easily implementable and promising option to enhance renal self-defense machinery against reperfusion injury after preservation that merits further investigation in preclinical models.
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Affiliation(s)
- Thomas Minor
- Surgical Research DepartmentClinic for General, Visceral and Transplantation SurgeryUniversity Hospital EssenUniversity Duisburg‐EssenEssenGermany
| | - Charlotte von Horn
- Surgical Research DepartmentClinic for General, Visceral and Transplantation SurgeryUniversity Hospital EssenUniversity Duisburg‐EssenEssenGermany
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Sabapathy V, Venkatadri R, Dogan M, Sharma R. The Yin and Yang of Alarmins in Regulation of Acute Kidney Injury. Front Med (Lausanne) 2020; 7:441. [PMID: 32974364 PMCID: PMC7472534 DOI: 10.3389/fmed.2020.00441] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/06/2020] [Indexed: 12/16/2022] Open
Abstract
Acute kidney injury (AKI) is a major clinical burden affecting 20 to 50% of hospitalized and intensive care patients. Irrespective of the initiating factors, the immune system plays a major role in amplifying the disease pathogenesis with certain immune cells contributing to renal damage, whereas others offer protection and facilitate recovery. Alarmins are small molecules and proteins that include granulysins, high-mobility group box 1 protein, interleukin (IL)-1α, IL-16, IL-33, heat shock proteins, the Ca++ binding S100 proteins, adenosine triphosphate, and uric acid. Alarmins are mostly intracellular molecules, and their release to the extracellular milieu signals cellular stress or damage, generally leading to the recruitment of the cells of the immune system. Early studies indicated a pro-inflammatory role for the alarmins by contributing to immune-system dysregulation and worsening of AKI. However, recent developments demonstrate anti-inflammatory mechanisms of certain alarmins or alarmin-sensing receptors, which may participate in the prevention, resolution, and repair of AKI. This dual function of alarmins is intriguing and has confounded the role of alarmins in AKI. In this study, we review the contribution of various alarmins to the pathogenesis of AKI in experimental and clinical studies. We also analyze the approaches for the therapeutic utilization of alarmins for AKI.
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Affiliation(s)
| | | | | | - Rahul Sharma
- Division of Nephrology, Department of Medicine, Center for Immunity, Inflammation, and Regenerative Medicine (CIIR), University of Virginia, Charlottesville, VA, United States
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14
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Tian Y, Shu J, Huang R, Chu X, Mei X. Protective effect of renal ischemic postconditioning in renal ischemic-reperfusion injury. Transl Androl Urol 2020; 9:1356-1365. [PMID: 32676420 PMCID: PMC7354320 DOI: 10.21037/tau-20-859] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Background Renal ischemic postconditioning (RIPo) can protect the kidney from renal ischemia/reperfusion injury (RIRI). However, the underlying molecular mechanisms for RIPo in renal protection remained elusive. This study aimed to investigate the renoprotective effects of RIPo in an RIR rat model. Method The Sprague Dawley (SD) rats were randomly divided into three groups respectively: sham group, the RIRI group and the RIPo group. The levels of proteinuria, blood urea nitrogen (BUN), creatinine (Cr), malondialdehyde (MDA), superoxide dismutase (SOD), lactate dehydrogenase (LDH), reactive oxidative species (ROS), interleukins (IL)-6, IL-1β, and IL-18 were measured by ELISA. Apoptotic cells and caspase-3 positive cells were detected by TUNEL assay and immunohistochemistry, respectively. The protein expressive levels of caspase-3, caspase-9, ATG8, Beclin1, p62, LC3-II, P-P13K, P-AKT and P-mTOR were detected by western blot. Results Our results showed that pretreatment with RIPo significantly reduced ischemic pathological and morphological changes. The levels of proteinuria, BUN, and Cr were also significantly reduced by RIPo pretreatment. Besides, ATG8, LC3-II and Beclin-1 were upregulated in the RIPo group, but p62 was downregulated. Moreover, RIPo pretreatment resulted in higher levels of phosphorylated PI3K, Akt, and mTOR. These results showed that RIPo protects the kidneys of rats from IRI with suppressed apoptosis and activated autophagy. Mechanically, the activated PI3K/AKT/mTOR signaling pathway were activated. Conclusions Collectively, our data demonstrated that RIPo could suppress Inflammatory response, oxidative stress, apoptosis and induce autophagy as well as activate the PI3K/AKT/mTOR pathway, which may play an important role in renal protection against RIRI.
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Affiliation(s)
- Ying Tian
- Department of Urology Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610039, China
| | - Jia Shu
- Functional Inspection Division, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610039, China
| | - Ruizhen Huang
- Department of Cardiovascular, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610039, China
| | - Xin Chu
- Nursing Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610039, China
| | - Xuefeng Mei
- Department of Urology Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610039, China
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El-Kashef DH, Abdelrahman RS. Montelukast ameliorates Concanavalin A-induced autoimmune hepatitis in mice via inhibiting TNF-α/JNK signaling pathway. Toxicol Appl Pharmacol 2020; 393:114931. [PMID: 32109511 DOI: 10.1016/j.taap.2020.114931] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 02/17/2020] [Accepted: 02/24/2020] [Indexed: 01/19/2023]
Abstract
BACKGROUND Concanavalin A (ConA) is a well-established model to induce autoimmune hepatitis (AIH) in mice which mimics pathological alterations that occur in human. The pathogenesis of ConA-induced AIH involves many signaling pathways. Montelukast is a leukotriene receptor antagonist that is mainly used in the management of asthma. The antioxidant, anti-inflammatory and anti-apoptotic effects of montelukast have been reported in previous studies. Lately, montelukast has been documented to confer protection against various inflammatory diseases. Up to date, no study has explored the effect of montelukast on AIH induced by ConA. AIM AND METHOD This study aims to detect the protective effects of montelukast (10 mg/kg) on ConA (20 mg/kg)- induced AIH in mice and to demonstrate its hepatoprotective mechanisms. Hepatic function, histological changes, oxidative stress, inflammation, autophagy, and apoptotic markers were investigated. RESULTS Hepatic function and histological data revealed that treatment with montelukast significantly attenuated ConA-induced hepatic damage. Montelukast significantly reduced JNK level and NFκB p65 expression, and inhibited proinflammatory cytokines (TNF-α and IL-6) as well as oxidative stress (MDA, NO, and GSH). Moreover, inflammatory cells (CD4+ infiltration and the levels of apoptotic markers (Bax and caspase-3) besides autophagy biomarkers (Beclin1 and LC3) were reduced. CONCLUSION Our results suggest that montelukast could be a potential therapeutic drug against the ConA-induced AIH through its anti-oxidant, anti-inflammatory, anti- autophagy as well as anti-apoptotic properties.
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Affiliation(s)
- Dalia H El-Kashef
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, 35516 Mansoura, Egypt
| | - Rehab S Abdelrahman
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madina Al-Munawwarah, 30001, Saudi Arabia. Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, 35516, Mansoura, Egypt.
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16
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Abdelrahman RS, Abdelmageed ME. Renoprotective effect of celecoxib against gentamicin-induced nephrotoxicity through suppressing NFκB and caspase-3 signaling pathways in rats. Chem Biol Interact 2020; 315:108863. [DOI: 10.1016/j.cbi.2019.108863] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/28/2019] [Accepted: 10/12/2019] [Indexed: 12/26/2022]
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17
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Yang X, Li Y, Zheng L, He X, Luo Y, Huang K, Xu W. Glucose-regulated protein 75 in foodborne disease models induces renal tubular necrosis. Food Chem Toxicol 2019; 133:110720. [DOI: 10.1016/j.fct.2019.110720] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 07/04/2019] [Accepted: 07/26/2019] [Indexed: 01/06/2023]
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18
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Du Y, Liu XH, Zhu HC, Wang L, Wang ZS, Ning JZ, Xiao CC. Hydrogen sulfide treatment protects against renal ischemia-reperfusion injury via induction of heat shock proteins in rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2019; 22:99-105. [PMID: 30944715 PMCID: PMC6437467 DOI: 10.22038/ijbms.2018.29706.7170] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 08/19/2018] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Hydrogen sulfide (H2S) attenuates ischemia-reperfusion injury (IRI) in different organs. However, its mechanism of action in renal IRI remains unclear. The present study investigated the hypothesis that H2S attenuates renal IRI via the induction of heat shock proteins (HSPs). MATERIALS AND METHODS Adult Wistar rats were subjected to unilateral renal ischemia for 45 min followed by reperfusion for 6 hr. One group of rats underwent I/R without treatment, one group was administered 150 μmol/l sodium hydrosulfide (NaHS) prior to I/R, one group was injected with 100 mg/kg quercetin (an HSP inhibitor) intraperitoneally prior to I/R, and another group received quercetin prior to I/R and treatment with NaHS following I/R. Two other groups underwent a sham operation and one of them received 150 μmol/l NaHS following the sham operation whereas the other received no treatment. Renal function and histological changes were compared and relevant indices of oxidative stress, apoptosis, and inflammation were examined. RESULTS IRI increased serum creatinine and blood urea nitrogen concentrations, promoted lipid peroxidation by elevating malondialdehyde levels, suppressed superoxide dismutase activity, stimulated inflammation by inducing NF-kB, IL-2, and TLR-4 expression, and increased renal apoptosis. Levels of HSP 70, heme-oxygenase-1 (HO-1) and HSP 27 were increased following IRI and reversed following H2S treatment. H2S attenuated changes observed in pathology, lipid peroxidation, inflammation, and apoptosis following IRI. The administration of quercetin reversed all protective effects of H2S. CONCLUSION The present study indicated that H2S protected renal tissue against IRI induced lipid peroxidation, inflammation, and apoptosis, which may be attributed to the upregulation of HSP 70, HO-1, and HSP 27.
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Affiliation(s)
- Yang Du
- Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
| | - Xiu-heng Liu
- Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
| | - Heng-cheng Zhu
- Physician, Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
| | - Lei Wang
- Physician, Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
| | - Zhi-shun Wang
- Physician, Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
| | - Jin-zhuo Ning
- Physician, Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
| | - Cheng-cheng Xiao
- Physician, Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
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19
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Chebotareva N, Bobkova I, Lysenko L, Neprinzeva N, Vinogradov A, Moiseev S. Heat shock protein 70 and anti-heat shock protein 70 antibodies in patients with chronic glomerulonephritis. Cell Stress Chaperones 2018; 23:1229-1235. [PMID: 30062391 PMCID: PMC6237676 DOI: 10.1007/s12192-018-0928-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 07/10/2018] [Accepted: 07/12/2018] [Indexed: 10/28/2022] Open
Abstract
We evaluated the heat shock system 70 (HSP70) in patients with chronic glomerulonephritis (CGN). Seventy-six patients with CGN patients were included in our study. Ten patients with mild proteinuria (median 0.48 [0.16-0.78] g/24 h) and ten healthy subjects served as positive and negative controls, respectively. Urinary levels of HSP70, interleukin-10, and serum levels of anti-HSP70 were measured by ELISA. The immunohistochemical peroxidase method was used to study the expression of HSP70 and Foxp3+ in kidney biopsies. TregFoxP3+ cells in the interstitium were determined morphometrically. Median urinary HSP70 levels in patients with nephrotic syndrome (NS) [6.57 (4.49-8.33) pg/mg] and subnephrotic range proteinuria [5.7 (4.12-6.9) pg/mg] were higher (p < 0.05) than in positive [3.7 (2.5-4.82) pg/mg] and negative [3.78 (2.89-4.84) pg/mg] controls. HSP70 expression index in tubular cells positively correlated with urinary HSP70 (Rs = 0.948, р < 0.05) and proteinuria (Rs = 0.362, p < 0.05). The number of TregFoxp3+ cells in the kidney interstitium and interleukin-10 excretion were lower in patients with NS. Anti-HSP70 antibody serum levels in patients with NS [21.1 (17.47-29.72) pg/ml] and subnephrotic range proteinuria [24.9 (18.86-30.92) pg/ml] were significantly higher than in positive [17.8 (12.95-23.03) pg/ml] and negative [18.9 (13.5-23.9) pg/ml] controls. In patients with CGN, increasing proteinuria was associated with higher HSP70 renal tissue and urinary levels. However, activation of HSP70 in patients with nephrotic syndrome did not lead to an increase in tissue levels of TregFoxp3+ cells or to the release of IL-10.
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Affiliation(s)
- Natalia Chebotareva
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Rossolimo 11/5, Moscow, Russia, 119435.
| | - Irina Bobkova
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Rossolimo 11/5, Moscow, Russia, 119435
| | - Lidia Lysenko
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Rossolimo 11/5, Moscow, Russia, 119435
| | - Natalia Neprinzeva
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Rossolimo 11/5, Moscow, Russia, 119435
| | - Anatoly Vinogradov
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Rossolimo 11/5, Moscow, Russia, 119435
| | - Sergey Moiseev
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Rossolimo 11/5, Moscow, Russia, 119435
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20
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Sarhan M, Land WG, Tonnus W, Hugo CP, Linkermann A. Origin and Consequences of Necroinflammation. Physiol Rev 2018; 98:727-780. [PMID: 29465288 DOI: 10.1152/physrev.00041.2016] [Citation(s) in RCA: 124] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
When cells undergo necrotic cell death in either physiological or pathophysiological settings in vivo, they release highly immunogenic intracellular molecules and organelles into the interstitium and thereby represent the strongest known trigger of the immune system. With our increasing understanding of necrosis as a regulated and genetically determined process (RN, regulated necrosis), necrosis and necroinflammation can be pharmacologically prevented. This review discusses our current knowledge about signaling pathways of necrotic cell death as the origin of necroinflammation. Multiple pathways of RN such as necroptosis, ferroptosis, and pyroptosis have been evolutionary conserved most likely because of their differences in immunogenicity. As the consequence of necrosis, however, all necrotic cells release damage associated molecular patterns (DAMPs) that have been extensively investigated over the last two decades. Analysis of necroinflammation allows characterizing specific signatures for each particular pathway of cell death. While all RN-pathways share the release of DAMPs in general, most of them actively regulate the immune system by the additional expression and/or maturation of either pro- or anti-inflammatory cytokines/chemokines. In addition, DAMPs have been demonstrated to modulate the process of regeneration. For the purpose of better understanding of necroinflammation, we introduce a novel classification of DAMPs in this review to help detect the relative contribution of each RN-pathway to certain physiological and pathophysiological conditions.
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Affiliation(s)
- Maysa Sarhan
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Walter G Land
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Wulf Tonnus
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Christian P Hugo
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Andreas Linkermann
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
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21
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Gholampour F, Sadidi Z. Hepatorenal protection during renal ischemia by quercetin and remote ischemic perconditioning. J Surg Res 2018; 231:224-233. [PMID: 30278933 DOI: 10.1016/j.jss.2018.05.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 04/15/2018] [Accepted: 05/23/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND Pathogenesis of renal ischemia/reperfusion injury (IRI) involves oxidative stress response in the kidney and remote organs. Both quercetin and remote ischemic perconditioning (RIPerC) can protect partially against IRI. This study determined whether combined quercetin and RIPerC could provide an augmented hepatorenal protection against renal IRI. MATERIALS AND METHODS I/R was induced by clamping renal arteries for 45 min followed by 24-h reperfusion. RIPerC consisted of four cycles of 2 min of left femoral artery ischemia followed by 3 min of reperfusion administered at the beginning of renal ischemia. Rats were divided into five groups: sham, I/R, RIPerC, quercetin (Q + I/R), and combined quercetin and RIPerC (Q + RIPerC). At the end of reperfusion period, blood, urine, and tissue samples were collected. RESULTS I/R caused kidney dysfunction, as proved by significant decrease in creatinine clearance, and a significant increase in liver functional indicators as evidenced by increased plasma alanine aminotransferase and aspartate aminotransferase activity. This was accompanied by a decrease of glutathione peroxidase and catalase activities with an increase of malondialdehyde levels and histological damages in renal and hepatic tissues. Treatment with RIPerC and quercetin reduced all these changes. However, the measure of improvements was enhanced by combined quercetin and RIPerC treatment. CONCLUSIONS This study demonstrated protective effects of quercetin and RIPerC strategy on the both kidney and liver after renal I/R. The results suggest that combined quercetin and RIPerC provides an enhanced protection against renal IRI by reduction of lipid peroxidation and augmentation of antioxidant systems.
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Affiliation(s)
- Firouzeh Gholampour
- Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran.
| | - Zahra Sadidi
- Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran
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22
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Esposito E, Hayakawa K, Ahn BJ, Chan SJ, Xing C, Liang AC, Kim KW, Arai K, Lo EH. Effects of ischemic post-conditioning on neuronal VEGF regulation and microglial polarization in a rat model of focal cerebral ischemia. J Neurochem 2018; 146:160-172. [PMID: 29570780 DOI: 10.1111/jnc.14337] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 02/12/2018] [Accepted: 03/08/2018] [Indexed: 01/14/2023]
Abstract
Ischemic postconditioning is increasingly being investigated as a therapeutic approach for cerebral ischemia. However, the majority of studies are focused on the acute protection of neurons per se. Whether and how postconditioning affects multiple cells in the recovering neurovascular unit remains to be fully elucidated. Here, we asked whether postconditioning may modulate help-me signaling between injured neurons and reactive microglia. Rats were subjected to 100 min of focal cerebral ischemia, then randomized into a control versus postconditioning group. After 3 days of reperfusion, infarct volumes were significantly reduced in animals treated with postconditioning, along with better neurologic outcomes. Immunostaining revealed that ischemic postconditioning increased expression of vascular endothelial growth factor (VEGF) in neurons within peri-infarct regions. Correspondingly, we confirmed that VEGFR2 was expressed on Iba1-positive microglia/macrophages, and confocal microscopy showed that in postconditioned rats, these cells were polarized to a ramified morphology with higher expression of M2-like markers. Treating rats with a VEGF receptor 2 kinase inhibitor negated these effects of postconditioning on microglia/macrophage polarization. In vitro, postconditoning after oxygen-glucose deprivation up-regulated VEGF release in primary neuron cultures, and adding VEGF to microglial cultures partly shifted their M2-like markers. Altogether, our findings support the idea that after postconditioning, injured neurons may release VEGF as a 'help-me' signal that promotes microglia/macrophage polarization into potentially beneficial phenotypes.
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Affiliation(s)
- Elga Esposito
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
| | - Kazuhide Hayakawa
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
| | - Bum Ju Ahn
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA.,NeuroVascular Protection Research Center, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Su Jing Chan
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA.,Institute of Medical Biology, Glycotherapeutics Group, Immunos, Singapore
| | - Changhong Xing
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
| | - Anna C Liang
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
| | - Kyu-Won Kim
- NeuroVascular Protection Research Center, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Ken Arai
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
| | - Eng H Lo
- Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
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Tong F, Zhou X. The Nrf2/HO-1 Pathway Mediates the Antagonist Effect of L-Arginine On Renal Ischemia/Reperfusion Injury in Rats. Kidney Blood Press Res 2017; 42:519-529. [PMID: 28854440 DOI: 10.1159/000480362] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 06/16/2017] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Ischemia/reperfusion (I/R) is the most common cause of acute renal injury. I/R-induced oxidative stress is involved in the development of acute renal injury, which can be reversed by supplementation with L-arginine, a precursor of nitric oxide (NO). This study was conducted to evaluate alterations in the expression of transcription factors [nuclear factor kappa B (NF-κB), nuclear factor-E2-related factor-2 (Nrf2), and heme oxygenase 1 (HO-1)] and heat shock protein 70 (HSP70) in the kidney of I/R-induced injury rats. METHODS Sprague-Dawley (SD) rats were subjected to bilateral renal ischemia for 45 min followed by reperfusion for 24 h. Group 1, Sham; group 2, I/R; group 3, L-arginine; and group 4, L-arginine+zinc protoporphyrin (ZnPP). The levels of serum creatinine (Scr), blood urea nitrogen (BUN), serum nitric oxide (NO), histic malondialdehyde (MDA) and reactive oxygen species (ROS) and superoxide dismutase (SOD) activity were determined, and the expression levels of Nrf2, HO-1, NF-κB, and HSP70 were evaluated. RESULTS The treatment of rats with L-arginine produced a significant reduction in the levels of BUN, Scr, MDA and a significant enhancement in the level of NO and in the activity of SOD compared to renal I/R groups. The expression levels of Nrf2, HO-1, and HSP70 were strongly increased, and the expression of NF-κB and production of ROS were significantly decreased in the L-arginine group compared to that of the I/R group. ZnPP increased renal damage and displayed effects opposite to those of L-arginine. CONCLUSION These findings suggested that L-arginine/NO reduces renal dysfunction associated with I/R of the kidney and may act as a trigger to regulate the NF-κB, HSP70 and Nrf2/HO-1 signaling cascades.
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24
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Nagata Y, Fujimoto M, Nakamura K, Isoyama N, Matsumura M, Fujikawa K, Uchiyama K, Takaki E, Takii R, Nakai A, Matsuyama H. Anti-TNF-α Agent Infliximab and Splenectomy Are Protective Against Renal Ischemia-Reperfusion Injury. Transplantation 2017; 100:1675-82. [PMID: 27163536 DOI: 10.1097/tp.0000000000001222] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Renal ischemia-reperfusion (I/R) injury is associated with delayed graft function and results in poor long-term graft survival. We previously showed that splenectomy (SPLN) protects the kidney from I/R injury and reduces serum TNF-α levels. Herein, we further investigated the effects of SPLN on inflammatory responses and tissue injury in renal I/R by examining the expression of major inflammatory cytokines and heat shock protein 70 (HSP70). Because it was shown previously that the anti-TNF-α agent infliximab (IFX) attenuated renal I/R injury, we also investigated whether IFX administration mimics the effects of SPLN. METHODS The left renal pedicles of adult male Wistar rats were clamped for 45 minutes and then reperfused for 24 hours; right nephrectomy and SPLN were performed immediately. A separate cohort was administered IFX 1 hour before surgery in lieu of SPLN. RESULTS Serum creatinine and blood urea nitrogen levels were markedly elevated by I/R injury; these increases were significantly reversed by IFX. Furthermore, IFX inhibited the induction of inflammatory cytokines and HSP70 during renal I/R injury. Time-dependent profiles revealed that the expression of inflammatory cytokines was elevated immediately after I/R, whereas levels of HSP70, serum creatinine, and blood urea nitrogen began to rise 3 hours postreperfusion. Macrophages/monocytes were significantly increased in I/R-injured kidneys, but not in those administered IFX. The outcomes of SPLN mirrored those of IFX administration. CONCLUSIONS Splenectomy and TNF-α inhibition both protect the kidney from I/R injury by reducing the accumulation of renal macrophages/monocytes and induction of major inflammatory cytokines.
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Affiliation(s)
- Yudai Nagata
- 1 Department of Urology, Graduate School of Medicine, Yamaguchi University, Yamaguchi, Japan.2 Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Yamaguchi University, Yamaguchi, Japan
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25
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Chebotareva N, Bobkova I, Shilov E. Heat shock proteins and kidney disease: perspectives of HSP therapy. Cell Stress Chaperones 2017; 22:319-343. [PMID: 28409327 PMCID: PMC5425374 DOI: 10.1007/s12192-017-0790-0] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/11/2017] [Accepted: 03/20/2017] [Indexed: 12/11/2022] Open
Abstract
Heat shock proteins (HSPs) mediate a diverse range of cellular functions, prominently including folding and regulatory processes of cellular repair. A major property of these remarkable proteins, dependent on intracellular or extracellular location, is their capacity for immunoregulation that optimizes immune activity while avoiding hyperactivated inflammation. In this review, recent investigations are described, which examine roles of HSPs in protection of kidney tissue from various traumatic influences and demonstrate their potential for clinical management of nephritic disease. The HSP70 class is particularly attractive in this respect due to its multiple protective effects. The review also summarizes current understanding of HSP bioactivity in the pathophysiology of various kidney diseases, including acute kidney injury, diabetic nephropathy, chronic glomerulonephritis, and lupus nephritis-along with other promising strategies for their remediation, such as DNA vaccination.
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Affiliation(s)
- Natalia Chebotareva
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992.
| | - Irina Bobkova
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992
| | - Evgeniy Shilov
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992
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26
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Góes Junior AMDO, Abib SDCV, Alves MTDS, Ferreira PSVDS, Andrade MCD. Venous Shunt Versus Venous Ligation for Vascular Damage Control: The Immunohistochemical Evidence. Ann Vasc Surg 2017; 41:214-224. [PMID: 28163177 DOI: 10.1016/j.avsg.2016.10.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 06/09/2016] [Accepted: 10/17/2016] [Indexed: 11/16/2022]
Abstract
BACKGROUND To evaluate the expression of immunohistochemical markers of tissue ischemia (iNOS, eNOS, and HSP70) in a vascular damage control experimental model to determine if a venous temporary vascular shunt insertion leads to a better limb perfusion when compared with the ligature of the injured vein. METHODS Experimental study in male Sus Scrofa weighting 40 Kg. Animals were distributed into 5 groups: group 1 animals were submitted to right external iliac artery (EIA) shunting and right external iliac vein (EIV) ligation; group 2 animals were submitted to right EIA shunting and right EIV shunting; group 3 animals were submitted to right EIV ligation; group 4 animals were submitted to right EIV shunting; group 5 animals were not submitted to vascular shunting or venous ligation. Transonic Systems flowmeters were used to measure vascular flow on right and left external iliac vessels, and i-STAT (Abbot) portable blood analyzer was used for EIVs blood biochemical analysis. An initial baseline register of invasive arterial pressure, iliac vessels flow, and venous blood analysis was performed. Arterial pressure and iliac vessels flow were taken immediately after right iliac vessels shunting or ligation. Then, hemorrhagic shock was induced by continuous 20 mL/min blood withdraw from the external right jugular vein whereas arterial blood pressure and iliac vessels flow registers were taken every 10 min, and blood samples from EIVs were obtained every 30 min until the vascular flow through right EIA (or through the shunt inserted into the right EIV for group 4 animals) became inexistent or until the animal's death. After the end of the experiments, bilateral hind limb's biopsies were obtained for immunohistochemical analysis. Using image editing and analysis software, the expression of iNOS, eNOS, and HSP70 (3 well-known ischemic associated immunohistochemical markers) was assessed. The mean expression of each marker in the right hind limb was compared between groups. For statistical analysis, Microsoft Office Excel 2007 and BioEstat 5.0 (2007) were used. RESULTS Immunohistochemical analysis showed no difference regarding the iNOS expression; nevertheless, both eNOS and HSP70 expression were statistically more intense (P < 0.05) on group 1 (eNOS = 1.32; HSP70 = 15.05) than on group 2 (eNOS = 0.018; HSP70 = 8.56). CONCLUSIONS The higher expression of eNOS and HSP70 in the right hind limbs of group 1 animals (arterial shunt and venous ligature) than group 2 animals (arterial shunt and venous shunt) suggests that venous ligation is associated with more intense ischemic histological findings than venous shunting.
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27
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Land WG, Agostinis P, Gasser S, Garg AD, Linkermann A. Transplantation and Damage-Associated Molecular Patterns (DAMPs). Am J Transplant 2016; 16:3338-3361. [PMID: 27421829 DOI: 10.1111/ajt.13963] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 06/24/2016] [Accepted: 07/10/2016] [Indexed: 01/25/2023]
Abstract
Upon solid organ transplantation and during cancer immunotherapy, cellular stress responses result in the release of damage-associated molecular patterns (DAMPs). The various cellular stresses have been characterized in detail over the last decades, but a unifying classification based on clinically important aspects is lacking. Here, we provide an in-depth review of the most recent literature along with a unifying concept of the danger/injury model, suggest a classification of DAMPs, and review the recently elaborated mechanisms that result in the emission of such factors. We further point out the differences in DAMP responses including the release following a heat shock pattern, endoplasmic reticulum stress, DNA damage-mediated DAMP release, and discuss the diverse pathways of regulated necrosis in this respect. The understanding of various forms of DAMPs and the consequences of their different release patterns are prerequisite to associate serum markers of cellular stresses with clinical outcomes.
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Affiliation(s)
- W G Land
- German Academy of Transplantation Medicine, Munich, Germany.,Laboratoire d'ImmunoRhumatologie Moléculaire, INSERM UMR_S1109, Plateforme GENOMAX, Faculté de Médecine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France.,LabexTRANSPLANTEX, Faculté de Médecine, Université de Strasbourg, Strasbourg, France
| | - P Agostinis
- Cell Death Research and Therapy (CDRT) Lab, Department of Cellular and Molecular Medicine, KU Leuven, University of Leuven, Leuven, Belgium
| | - S Gasser
- Immunology Programme and Department of Microbiology and Immunology, Centre for Life Sciences, National University of Singapore, Singapore, Singapore
| | - A D Garg
- Cell Death Research and Therapy (CDRT) Lab, Department of Cellular and Molecular Medicine, KU Leuven, University of Leuven, Leuven, Belgium
| | - A Linkermann
- Cluster of Excellence EXC306, Inflammation at Interfaces, Schleswig-Holstein, Germany.,Clinic for Nephrology and Hypertension, Christian-Albrechts-University, Kiel, Germany
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Kristensen MLV, Kierulf-Lassen C, Nielsen PM, Krag S, Birn H, Nejsum LN, Nørregaard R. Remote ischemic perconditioning attenuates ischemia/reperfusion-induced downregulation of AQP2 in rat kidney. Physiol Rep 2016; 4:4/13/e12865. [PMID: 27405971 PMCID: PMC4945844 DOI: 10.14814/phy2.12865] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 06/21/2016] [Indexed: 12/28/2022] Open
Abstract
Renal ischemia/reperfusion (I/R) can lead to impaired urine concentration ability and increased fractional excretion of sodium (FeNa). Local ischemic preconditioning improves renal water and sodium handling after I/R injury. Here, we investigate whether remote ischemic perconditioning (rIPeC) prevents dysregulation of renal water and salt handling in response to I/R injury and mechanisms that may be involved. Rats were subjected to right nephrectomy and randomized into a sham group or an I/R group. In the I/R group, rats were subjected to 37 min of renal ischemia and 3 days of reperfusion. rIPeC was applied to the abdominal aorta. Blood and urine were collected on day 3 postoperatively for clearance studies. The expression of aquaporins (AQPs) and the sodium transporter Na-K-ATPase were analyzed using immunoblotting and immunohistochemistry. I/R injury resulted in polyuria, increased FeNa, and decreased urine osmolality compared to sham rats. rIPeC attenuated the increase in FeNa and the decrease in urine osmolality. Expression of AQP1, AQP2, phosphorylated AQP2 (pAQP2), and Na-K-ATPase was downregulated in I/R rats. rIPeC attenuated the reductions in AQP2 and pAQP2 expression. Immunohistochemistry revealed decreased labeling of Na-K-ATPase in the outer medulla in I/R kidneys compared to kidneys from sham and I/R + rIPeC rats. After renal ischemia, the expression of Na-K-ATPase was substantially reduced in the outer medullary thick ascending limb. In conclusion, our data suggest that rIPeC might prevent dysregulation of renal water and salt handling via regulation of AQP2 expression and phosphorylation as well as via regulation of Na-K-ATPase expression in I/R rat kidneys.
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Affiliation(s)
| | | | - Per Mose Nielsen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Søren Krag
- Department of Pathology, Aarhus University, Aarhus, Denmark
| | - Henrik Birn
- Department of Biomedicine, Aarhus University, Aarhus, Denmark Department of Renal Medicine, Aarhus University, Aarhus, Denmark
| | - Lene N Nejsum
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Rikke Nørregaard
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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29
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Ying GY, Jing CH, Li JR, Wu C, Yan F, Chen JY, Wang L, Dixon BJ, Chen G. Neuroprotective Effects of Valproic Acid on Blood-Brain Barrier Disruption and Apoptosis-Related Early Brain Injury in Rats Subjected to Subarachnoid Hemorrhage Are Modulated by Heat Shock Protein 70/Matrix Metalloproteinases and Heat Shock Protein 70/AKT Pathways. Neurosurgery 2016; 79:286-95. [DOI: 10.1227/neu.0000000000001264] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Abstract
SIGNIFICANCE Acute kidney injury (AKI) and chronic kidney disease (CKD) represent a considerable burden in healthcare. The heme oxygenase (HO) system plays an important role in regulating oxidative stress and is protective in a variety of human and animal models of kidney disease. Preclinical studies of the HO system have led to the development of several clinical trials targeting the enzyme or its products. RECENT ADVANCES Connection of HO, ferritin, and other proteins involved in iron regulation has provided important insight into mechanisms of damage in AKI. Also, HO-1 expression is important in the pathogenesis of hypertension, diabetic kidney disease, and progression to end-stage renal disease. CRITICAL ISSUES Despite intriguing discoveries, no drugs targeting the HO system have been translated to the clinic. Meanwhile, treatments for AKI and CKD are urgently needed. Many factors have likely contributed to challenges in clinical translation, including variation in animal models, difficulties in obtaining human tissue, and complexity of the disease processes being studied. FUTURE DIRECTIONS The HO system represents a promising avenue of investigation that may lead to targeted therapeutics. Tissue-specific gene modulation, widening the scope of animal studies, and continued clinical research will provide valuable insight into the role HO plays in kidney homeostasis and disease. Antioxid. Redox Signal. 25, 165-183.
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Affiliation(s)
- Jeremie M Lever
- 1 Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham , Birmingham, Alabama
| | - Ravindra Boddu
- 1 Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham , Birmingham, Alabama
| | - James F George
- 2 Division of Cardiothoracic Surgery, Department of Surgery, The University of Alabama at Birmingham , Birmingham, Alabama
| | - Anupam Agarwal
- 1 Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham , Birmingham, Alabama.,3 Birmingham Veterans Administration Medical Center , Birmingham, Alabama
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Remote ischemic postconditioning protects against renal ischemia/reperfusion injury by activation of T-LAK-cell-originated protein kinase (TOPK)/PTEN/Akt signaling pathway mediated anti-oxidation and anti-inflammation. Int Immunopharmacol 2016; 38:395-401. [PMID: 27355132 DOI: 10.1016/j.intimp.2016.06.020] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 06/18/2016] [Accepted: 06/21/2016] [Indexed: 11/21/2022]
Abstract
BACKGROUND Recent clinical and animal studies suggested that remote limb ischemic postconditioning (RIPostC) can invoke potent cardioprotection or neuroprotection. However, the effect and mechanism of RIPostC against renal ischemia/reperfusion injury (IRI) are poorly understood. T-LAK-cell-originated protein kinase (TOPK) is crucial for the proliferation and migration of tumor cells. However, the function of TOPK and the molecular mechanism underlying renal protection remain unknown. Therefore, this study aimed to evaluate the role of TOPK in renoprotection induced by RIPostC. MATERIALS AND METHODS The renal IRI model was induced by left renal pedicle clamping for 45min followed by 24h reperfusion and right nephrectomy. All mice were intraperitoneally injected with vehicle, TOPK inhibitor HI-TOPK-032 or Akt inhibitor LY294002. After 24h reperfusion, renal histology, function, and inflammatory cytokines and oxidative stress were assessed. The proteins were measured by Western blotting. RESULTS The results showed that RIPostC significantly protected the kidneys against IRI. The protective effects were accompanied by the attenuation of renal dysfunction, tubular damage, inflammation and oxidative stress. In addition, RIPostC increased the phosphorylation of TOPK, PTEN, Akt, GSK3β and the nuclear translocation of Nrf2 and decreased the nuclear translocation of NF-κB. However, all of the above renoprotective effects of RIPostC were eliminated either by the inhibition of TOPK or Akt with HI-TOPK-032 or LY294002. CONCLUSIONS The current data reveal that RIPostC protects against renal IRI via activation of TOPK/PTEN/Akt signaling pathway mediated anti-oxidation and anti-inflammation.
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Jonker SJ, Menting TP, Warlé MC, Ritskes-Hoitinga M, Wever KE. Preclinical Evidence for the Efficacy of Ischemic Postconditioning against Renal Ischemia-Reperfusion Injury, a Systematic Review and Meta-Analysis. PLoS One 2016; 11:e0150863. [PMID: 26963819 PMCID: PMC4786316 DOI: 10.1371/journal.pone.0150863] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Accepted: 02/20/2016] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Renal ischemia-reperfusion injury (IRI) is a major cause of kidney damage after e.g. renal surgery and transplantation. Ischemic postconditioning (IPoC) is a promising treatment strategy for renal IRI, but early clinical trials have not yet replicated the promising results found in animal studies. METHOD We present a systematic review, quality assessment and meta-analysis of the preclinical evidence for renal IPoC, and identify factors which modify its efficacy. RESULTS We identified 39 publications studying >250 control animals undergoing renal IRI only and >290 animals undergoing renal IRI and IPoC. Healthy, male rats undergoing warm ischemia were used in the vast majority of studies. Four studies applied remote IPoC, all others used local IPoC. Meta-analysis showed that both local and remote IPoC ameliorated renal damage after IRI for the outcome measures serum creatinine, blood urea nitrogen and renal histology. Subgroup analysis indicated that IPoC efficacy increased with the duration of index ischemia. Measures to reduce bias were insufficiently reported. CONCLUSION High efficacy of IPoC is observed in animal models, but factors pertaining to the internal and external validity of these studies may hamper the translation of IPoC to the clinical setting. The external validity of future animal studies should be increased by including females, comorbid animals, and transplantation models, in order to better inform clinical trial design. The severity of renal damage should be taken into account in the design and analysis of future clinical trials.
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Affiliation(s)
- Simone J. Jonker
- SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE), Radboud university medical center, Nijmegen, The Netherlands
| | - Theo P. Menting
- Department of surgery, Radboud university medical center, Nijmegen, The Netherlands
| | - Michiel C. Warlé
- Department of surgery, Radboud university medical center, Nijmegen, The Netherlands
| | - Merel Ritskes-Hoitinga
- SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE), Radboud university medical center, Nijmegen, The Netherlands
| | - Kimberley E. Wever
- SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE), Radboud university medical center, Nijmegen, The Netherlands
- * E-mail:
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Faure A, Bruzzese L, Steinberg JG, Jammes Y, Torrents J, Berdah SV, Garnier E, Legris T, Loundou A, Chalopin M, Magalon G, Guieu R, Fenouillet E, Lechevallier E. Effectiveness of pure argon for renal transplant preservation in a preclinical pig model of heterotopic autotransplantation. J Transl Med 2016; 14:40. [PMID: 26847569 PMCID: PMC4743167 DOI: 10.1186/s12967-016-0795-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Accepted: 01/20/2016] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND In kidney transplantation, the conditions of organ preservation following removal influence function recovery. Current static preservation procedures are generally based on immersion in a cold-storage solution used under atmospheric air (approximately 78 kPa N2, 21 kPa O2, 1 kPa Ar). Research on static cold-preservation solutions has stalled, and modifying the gas composition of the storage medium for improving preservation was considered. Organoprotective strategies successfully used noble gases and we addressed here the effects of argon and xenon on graft preservation in an established preclinical pig model of autotransplantation. METHODS The preservation solution Celsior saturated with pure argon (Argon-Celsior) or xenon (Xenon-Celsior) at atmospheric pressure was tested versus Celsior saturated with atmospheric air (Air-Celsior). The left kidney was removed, and Air-Celsior (n = 8 pigs), Argon-Celsior (n = 8) or Xenon-Celsior (n = 6) was used at 4 °C to flush and store the transplant for 30 h, a duration that induced ischemic injury in our model when Air-Celsior was used. Heterotopic autotransplantation and contralateral nephrectomy were performed. Animals were followed for 21 days. RESULTS The use of Argon-Celsior vs. Air-Celsior: (1) improved function recovery as monitored via creatinine clearance, the fraction of excreted sodium and tubulopathy duration; (2) enabled diuresis recovery 2-3 days earlier; (3) improved survival (7/8 vs. 3/8 pigs survived at postoperative day-21); (4) decreased tubular necrosis, interstitial fibrosis, apoptosis and inflammation, and preserved tissue structures as observed after the natural death/euthanasia; (5) stimulated plasma antioxidant defences during the days following transplantation as shown by monitoring the "reduced ascorbic acid/thiobarbituric acid reactive substances" ratio and Hsp27 expression; (6) limited the inflammatory response as shown by expression of TNF-alpha, IL1-beta and IL6 as observed after the natural death/euthanasia. Conversely, Xenon-Celsior was detrimental, no animal surviving by day-8 in a context where functional recovery, renal tissue properties and the antioxidant and inflammation responses were significantly altered. Thus, the positive effects of argon were not attributable to the noble gases as a group. CONCLUSIONS The saturation of Celsior with argon improved early functional recovery, graft quality and survival. Manipulating the gas composition of a preservation medium constitutes therefore a promising approach to improve preservation.
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Affiliation(s)
- Alice Faure
- Department of Urology and Kidney Transplantation, Aix-Marseille University, APHM, Marseille, France.
| | - Laurie Bruzzese
- UMR MD2 & IRBA, Aix-Marseille University, Marseille, France.
| | | | - Yves Jammes
- UMR MD2 & IRBA, Aix-Marseille University, Marseille, France.
| | - Julia Torrents
- Department of Pathology, Aix-Marseille University, APHM, Marseille, France.
| | - Stephane V Berdah
- C.E.R.C, Aix-Marseille University, Faculty of Medicine, Marseille, France.
| | - Emmanuelle Garnier
- C.E.R.C, Aix-Marseille University, Faculty of Medicine, Marseille, France.
| | - Tristan Legris
- Department of Nephrology and Kidney Transplantation, Aix-Marseille University, APHM, Marseille, France.
| | - Anderson Loundou
- Public Health Laboratory, Aix-Marseille University, Marseille, France.
| | - Matthieu Chalopin
- Air Liquide Medical Gases Group, Air Liquide sante International-Claude Delorme Research Center, Jouy-en-Josas, France.
| | - Guy Magalon
- Department of Plastic Surgery, Aix-Marseille University, APHM, Marseille, France.
| | - Regis Guieu
- UMR MD2 & IRBA, Aix-Marseille University, Marseille, France.
| | - Emmanuel Fenouillet
- UMR MD2 & IRBA, Aix-Marseille University, Marseille, France. .,Institut des Sciences Biologiques, CNRS, Paris, France.
| | - Eric Lechevallier
- Department of Urology and Kidney Transplantation, Aix-Marseille University, APHM, Marseille, France.
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Kierulf-Lassen C, Nieuwenhuijs-Moeke GJ, Krogstrup NV, Oltean M, Jespersen B, Dor FJMF. Molecular Mechanisms of Renal Ischemic Conditioning Strategies. Eur Surg Res 2015; 55:151-83. [PMID: 26330099 DOI: 10.1159/000437352] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 07/02/2015] [Indexed: 11/19/2022]
Abstract
Ischemia-reperfusion injury is the leading cause of acute kidney injury in a variety of clinical settings such as renal transplantation and hypovolemic and/or septic shock. Strategies to reduce ischemia-reperfusion injury are obviously clinically relevant. Ischemic conditioning is an inherent part of the renal defense mechanism against ischemia and can be triggered by short periods of intermittent ischemia and reperfusion. Understanding the signaling transduction pathways of renal ischemic conditioning can promote further clinical translation and pharmacological advancements in this era. This review summarizes research on the molecular mechanisms underlying both local and remote ischemic pre-, per- and postconditioning of the kidney. The different types of conditioning strategies in the kidney recruit similar powerful pro-survival mechanisms. Likewise, renal ischemic conditioning mobilizes many of the same protective signaling pathways as in other organs, but differences are recognized.
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Chu W, Li S, Wang S, Yan A, Nie L. Ischemic postconditioning provides protection against ischemia-reperfusion injury in intestines of rats. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:6474-6481. [PMID: 26261524 PMCID: PMC4525858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 05/25/2015] [Indexed: 06/04/2023]
Abstract
In the present study, we investigated the protective role of ischemic postconditioning (IPOST) against intestine ischemia-reperfusion (I/R) injury in rats. Male Sprague-Dawley rats were divided into sham-operation group (S), I/R group (I/R), ischemic preconditioning group (IPC), ischemic postconditioning group (IPOST). After reperfusion, small intestines were resected for histopathologic evaluations. To evaluate DNA fragmentation, resolving agarose gel electrophoresis was performed. To measure cellular apoptotic rates in intestine tissues, we performed TUNEL staining. To examine lipid peroxidation, production of superoxide radicals and tissue neutrophil infiltration, we tested the content of malondialdehyde and activities of superoxidase dismutase and myeloperoxidase in intestine tissues, respectively. Under light microscope, intestinal mucosal impairment in IPOST and IPC groups was found milder than that in I/R group (P < 0.05). The number of apoptosis cells in I/R group was significantly higher than that in IPOST and IPC groups (P < 0.05). The content of malondialdehyde and activity of myeloperoxidase were significantly reduced in IPOST group and IPC group compared with I/R group, but the activity of superoxidase dismutase in IPOST group and IPC group was enhanced compared with I/R group (P < 0.05). These results suggest that IPOST results in protection against intestine I/R injury, which may be related to reduced production of reactive oxygen species, enhanced activities of antioxidant systems and inhibited apoptosis of intestinal mucosal cells.
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Affiliation(s)
- Weiwei Chu
- Department of Pathology, Xi'an Medical College Xi'an 710021, P.R. China
| | - Sheng Li
- Department of Pathology, Xi'an Medical College Xi'an 710021, P.R. China
| | - Shanwei Wang
- Department of Pathology, Xi'an Medical College Xi'an 710021, P.R. China
| | - Aili Yan
- Department of Pathology, Xi'an Medical College Xi'an 710021, P.R. China
| | - Lei Nie
- Department of Pathology, Xi'an Medical College Xi'an 710021, P.R. China
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