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Li X, Shi C, Zhou R, Chen X, Xu Q, Zhao C, Ma M, Ao X, Liu Y. Modified EBP-bFGF targeting endogenous renal extracellular matrix protects against renal ischemia-reperfusion injury in rats. J Biomed Mater Res A 2024; 112:1827-1839. [PMID: 38700258 DOI: 10.1002/jbm.a.37730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/29/2024] [Accepted: 04/24/2024] [Indexed: 05/05/2024]
Abstract
Acute kidney injury (AKI) is a life-threatening disease primarily caused by renal ischemia-reperfusion (I/R) injury, which can result in renal failure. Currently, growth factor therapy is considered a promising and effective approach for AKI treatment. Basic fibroblast growth factor (bFGF), an angiogenic factor with potent activity, efficiently stimulates angiogenesis and facilitates regeneration of renal tissue. However, the unrestricted diffusion of bFGF restricts its clinical application in AKI treatment. Therefore, developing a novel sustained released system for bFGF could enhance its potential in treating AKI. In this study, we genetically engineered a multifunctional recombinant protein by fusing bFGF with a specific peptide (EBP). EBP-bFGF effectively binds to the extracellular matrix in the injured kidney, enabling slow release of bFGF in AKI. Furthermore, following orthotopic injection into I/R rats' ischemic kidneys, EBP-bFGF exhibited stable retention within the tissue. Additionally, EBP-bFGF suppressed apoptosis of renal cells, reduced renal fibrosis, and facilitated recovery of renal function. These findings suggest that EBP-bFGF delivery system represents a promising strategy for treating AKI.
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Affiliation(s)
- Xiaoge Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Chunying Shi
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Runxue Zhou
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Xinhui Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Qingling Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Chunyige Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Mengyao Ma
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Xiang Ao
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Ying Liu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao, China
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Alruhaimi RS, Ahmeda AF, Hussein OE, Alotaibi MF, Germoush MO, Elgebaly HA, Hassanein EHM, Mahmoud AM. Galangin attenuates chlorpyrifos-induced kidney injury by mitigating oxidative stress and inflammation and upregulating Nrf2 and farnesoid-X-receptor in rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 110:104542. [PMID: 39179192 DOI: 10.1016/j.etap.2024.104542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2024] [Revised: 08/06/2024] [Accepted: 08/20/2024] [Indexed: 08/26/2024]
Abstract
Chlorpyrifos (CPF) is a highly toxic commonly used pesticide and can seriously harm human health. This study assessed the potential of galangin (GAL), an antioxidant flavonoid, to attenuate oxidative stress, inflammation and kidney injury caused by CPF, emphasizing the role of farnesoid-x-receptor (FXR) and Nrf2. Rats were supplemented with CPF and GAL for 28 days. CPF increased serum creatinine, urea and Kim-1, provoked several tissue alterations, and increased kidney ROS, malondialdehyde (MDA), NF-κB p65, TNF-α, iNOS, and caspase-3. GAL effectively ameliorated serum kidney injury markers, ROS, MDA, and TNF-α, suppressed NF-κB p65, iNOS, and caspase-3, and enhanced antioxidants. GAL suppressed Keap1 and upregulated FXR, Nrf2, HO-1 and NQO-1 in CPF-administered rats. GAL exhibited binding affinity with Keap1, FXR, caspase-3, iNOS, HO-1, and NF-κB. In conclusion, GAL is effective in preventing CPF nephrotoxicity by attenuating oxidative stress and inflammation. This protection is linked to upregulation of antioxidants, Nrf2/HO-1 signaling and FXR.
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Affiliation(s)
- Reem S Alruhaimi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Ahmad F Ahmeda
- Department of Basic Medical Sciences, College of Medicine, Ajman University, Ajman 346, United Arab Emirates; Center of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman 346, United Arab Emirates
| | - Omnia E Hussein
- Higher Technological Institute for Applied Health Sciences, Beni-Suef, Egypt
| | - Mohammed F Alotaibi
- Physiology Department, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | - Mousa O Germoush
- Biology Department, College of Science, Jouf University, Sakakah, Saudi Arabia
| | - Hassan A Elgebaly
- Biology Department, College of Science, Jouf University, Sakakah, Saudi Arabia
| | - Emad H M Hassanein
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Al-Azhar University-Assiut Branch, Egypt
| | - Ayman M Mahmoud
- Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester M1 5GD, UK; Molecular Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef 62514, Egypt.
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Oliveira FRMB, Sousa Soares E, Pillmann Ramos H, Lättig-Tünnemann G, Harms C, Cimarosti H, Sordi R. Renal protection after hemorrhagic shock in rats: Possible involvement of SUMOylation. Biochem Pharmacol 2024; 227:116425. [PMID: 39004233 DOI: 10.1016/j.bcp.2024.116425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 07/08/2024] [Accepted: 07/11/2024] [Indexed: 07/16/2024]
Abstract
Hemorrhagic shock (HS), a leading cause of preventable death, is characterized by severe blood loss and inadequate tissue perfusion. Reoxygenation of ischemic tissues exacerbates organ damage through ischemia-reperfusion injury. SUMOylation has been shown to protect neurons after stroke and is upregulated in response to cellular stress. However, the role of SUMOylation in organ protection after HS is unknown. This study aimed to investigate SUMOylation-mediated organ protection following HS. Male Wistar rats were subjected to HS (blood pressure of 40 ± 2 mmHg, for 90 min) followed by reperfusion. Blood, kidney, and liver samples were collected at various time points after reperfusion to assess organ damage and investigate the profile of SUMO1 and SUMO2/3 conjugation. In addition, human kidney cells (HK-2), treated with the SUMOylation inhibitor TAK-981 or overexpressing SUMO proteins, were subjected to oxygen and glucose deprivation to investigate the role of SUMOylation in hypoxia/reoxygenation injury. The animals presented progressive multiorgan dysfunction, except for the renal system, which showed improvement over time. Compared to the liver, the kidneys displayed distinct patterns in terms of oxidative stress, apoptosis activation, and tissue damage. The global level of SUMO2/3 in renal tissue was also distinct, suggesting a differential role. Pharmacological inhibition of SUMOylation reduced cell viability after hypoxia-reoxygenation damage, while overexpression of SUMO1 or SUMO2 protected the cells. These findings suggest that SUMOylation might play a critical role in cellular protection during ischemia-reperfusion injury in the kidneys, a role not observed in the liver. This difference potentially explains the renal resilience observed in HS animals when compared to other systems.
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Affiliation(s)
- Filipe Rodolfo Moreira Borges Oliveira
- Department of Pharmacology, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), SC, Brazil; Graduate Program in Pharmacology, UFSC, SC, Brazil
| | - Ericks Sousa Soares
- Department of Pharmacology, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), SC, Brazil; Graduate Program in Pharmacology, UFSC, SC, Brazil
| | - Hanna Pillmann Ramos
- Department of Pharmacology, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), SC, Brazil
| | - Gisela Lättig-Tünnemann
- Klinik und Hochschulambulanz für Neurologie mit Experimenteller Neurologie, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Germany
| | - Christoph Harms
- Klinik und Hochschulambulanz für Neurologie mit Experimenteller Neurologie, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Germany; Centre for Stroke Research, Berlin, Germany; Charité-Universitätsmedizin Berlin, Berlin, Germany; German Centre for Cardiovascular Research (DZHK), partner site Berlin, Germany; Einstein Centre for Neuroscience, Berlin, Germany
| | - Helena Cimarosti
- Department of Pharmacology, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), SC, Brazil; Graduate Program in Pharmacology, UFSC, SC, Brazil; Graduate Program in Neuroscience, UFSC, SC, Brazil
| | - Regina Sordi
- Department of Pharmacology, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), SC, Brazil; Graduate Program in Pharmacology, UFSC, SC, Brazil.
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Kim HS, Kim HJ, Do SH. Early Detection of Chronic Kidney Disease Using Plasma Neutrophil Gelatinase-Associated Lipocalin and Kidney Injury Molecule-1 in Small-Breed Dogs: A Retrospective Pilot Study. Animals (Basel) 2024; 14:2313. [PMID: 39199847 PMCID: PMC11350678 DOI: 10.3390/ani14162313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 08/05/2024] [Accepted: 08/06/2024] [Indexed: 09/01/2024] Open
Abstract
Multiple diagnostic modalities are urgently needed to identify early-stage kidney diseases. Various molecules have been investigated; however, most studies have focused on identifying specific biomarkers in urine. Considering that assessing the symmetrical dimethylarginine (SDMA) plasma concentration is more suitable as an early diagnostic test for chronic kidney disease (CKD) in routine veterinary practice, we aimed to investigate the clinical usefulness of plasma neutrophil gelatinase-associated lipocalin (pNGAL) and plasma kidney injury molecule-1 (pKIM-1) concentrations for CKD detection in small-breed dogs. Through a retrospective analysis, we found that numerous clinicopathological data showed a log-normal distribution, even when they satisfied normality tests. Moreover, the log-transformed pNGAL and pKIM-1 concentrations successfully identified CKD International Renal Interest Society (IRIS) stages 1-4 and the risk group with underlying CKD risk factors. Correlation analysis and group comparison of other factors confirmed the possibility of using these two biomarkers for detecting the CKD risk group and IRIS stage 1. Receiver operating characteristic curve analysis revealed that the diagnostic accuracy for discriminating the risk group was superior in the order of pKIM-1, pNGAL, SDMA, and serum creatinine levels. In conclusion, these results suggest that pKIM-1 and pNGAL are possible early or quantifiable markers of insignificant CKD or can be at least used as an adjunct with traditional indicators.
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Affiliation(s)
- Hyo-Sung Kim
- Department of Veterinary Clinical Pathology, College of Veterinary Medicine, Konkuk University, Seoul 05029, Republic of Korea
- Department of Veterinary Clinical Pathology, Konkuk University Animal Medical Center, Konkuk University, Seoul 05029, Republic of Korea
| | - Han-Jun Kim
- Department of Veterinary Clinical Pathology, College of Veterinary Medicine, Konkuk University, Seoul 05029, Republic of Korea
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea
| | - Sun-Hee Do
- Department of Veterinary Clinical Pathology, College of Veterinary Medicine, Konkuk University, Seoul 05029, Republic of Korea
- Department of Veterinary Clinical Pathology, Konkuk University Animal Medical Center, Konkuk University, Seoul 05029, Republic of Korea
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Sabra MS, Allam EAH, El-Aal MA, Hassan NH, Mostafa AHM, Ahmed AAN. A novel pharmacological strategy using nanoparticles with glutathione and virgin coconut oil to treat gentamicin-induced acute renal failure in rats. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03303-4. [PMID: 39093465 DOI: 10.1007/s00210-024-03303-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Accepted: 07/15/2024] [Indexed: 08/04/2024]
Abstract
In acute renal failure (ARF), the glomerular filtration rate is reduced, and nitrogenous waste products accumulate persistently, which can last anywhere from a few hours to several days. There is hope for a reversal of the rapid loss of renal function caused by this condition. This study, with gentamicin-induced acute ARF as a prospective setting, sets out to examine the reno-protective benefits of virgin coconut oil (VCO) and GSH. Furthermore, the study evaluated the effect of medication nanoparticle compositions on several kidney function markers. The induction of ARF is achieved with the intraperitoneal injection of gentamicin. To assess renal function, rats underwent 24 h of dehydration and hunger before their deaths. The study examined various aspects, including kidney function tests, markers of oxidative stress, histology of kidney tissue, inflammatory cytokines, immunohistochemistry expression of nuclear factor-kappa B (NF-κB), and specific biomarkers for kidney tissue damage, such as kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL). The results of our study indicated that the combination of VCO and GSH, using both regular and nanoparticle formulations, had a better protective impact on the kidneys compared to using either drug alone. The recovery of renal tissue and serum markers, which are symptomatic of organ damage, indicates improvement. This was also demonstrated by the reduction in tubular expression of TNF-α, IL-1β, KIM-1, and NGAL. The immunohistochemical studies showed that the combination therapy, especially with the nanoforms, greatly improved the damaged cellular changes in the kidneys, as shown by higher levels of NF-κB. The study shows that VCO and GSH, when administered individually or combined, significantly improve ARF in a gentamicin-induced rat model, highlighting potential therapeutic implications. Notably, the combined nanoparticulate formulations exhibit substantial effectiveness.
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Affiliation(s)
- Mahmoud S Sabra
- Pharmacology Department, Faculty of Veterinary Medicine, Assiut University, Assiut, 71526, Egypt.
| | - Essmat A H Allam
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt
| | - Mohamed Abd El-Aal
- Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
| | - Nessma H Hassan
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt
| | - Al-Hassan Mohammed Mostafa
- Department of Pathology and Clinical Pathology, Agricultural Research Centre, Animal Health Research Institute, Assiut, 71526, Egypt
| | - Ahmed A N Ahmed
- Pharmacology Department, Faculty of Medicine, Al-Azhar University, Assiut Branch, , Assiut, 71526, Egypt
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Ujah GA, Ofutet EO, Ukam CIO, Omiunu PE, Ackley EU, Japhet IG, Ntauko JC, Clement QC, Atu R, Nna VU. Protective effect of tert-butylhydroquinone against cisplatin-induced hepatorenal injury via modulating oxidative stress, inflammation, and apoptosis. Arch Physiol Biochem 2024:1-11. [PMID: 38993034 DOI: 10.1080/13813455.2024.2376812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/26/2024] [Indexed: 07/13/2024]
Abstract
CONTEXT Cisplastin (CDDP) is a chemotherapeutic drug frequently used to manage a variety of cancers. However, its use is associated with hepatorenal toxicity resulting from elevated reactive oxygen species production. OBJECTIVE Herein, the hepatorenal protective effect of tert-butylhydroquinone (tBHQ) in cisplatin (CDDP)-treated rats was examined. METHODS Wistar male rats randomly divided into four groups: normal control, tBHQ, CDDP and tBHQ + CDDP received 50 mg/kg b.w./day of tBHQ orally for 14 days while 7 mg/kg b.w of CDDP was administered intraperitoneally on Day 8. RESULTS CDDP increased serum biomarkers of hepatic (AST, ALP, ALT, GGT) and renal (creatinine, urea, uric acid, kidney injury molecule 1) function. The levels of nuclear factor erythroid-2-related factor 2 protein and the activities of superoxide dismutase, catalase, glutathione peroxidase and glutathione reductase activities were decreased in liver and kidney. Also, CDDP increased hepatic and renal levels of NF-κB, TNFα, Bax and caspase-3 proteins and decreased hepatorenal levels of Bcl-2 protein in the liver and kidney. Pre-treatment with tBHQ prevented these negative effects. SIGNIFICANCE Pre-intervention with tBHQ attenuates hepatorenal toxicity of CDDP by dampening oxidative stress, inflammation and apoptosis.
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Affiliation(s)
- Godwin Adakole Ujah
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
| | - Emmanuel Oleba Ofutet
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
- Department of Physiology, Faculty of Medicine and Pharmaceutical Science, Kampala International University, Tanzania
| | - Catherine Ironya-Ogar Ukam
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
- Cellular Immunology, International Centre for Genetic Engineering and Biotechnology, ICGEB, Trieste, Italy
| | - Precious Evangeline Omiunu
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
| | - Emaediong Ufot Ackley
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
| | - Iboro Godwin Japhet
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
| | - Jane Charles Ntauko
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
| | - Queen Comfort Clement
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
| | - Racheal Atu
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
| | - Victor Udo Nna
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Cross River State, Nigeria
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Özatman E, Aksu B, Zemheri IE, Erman H, Durakbaşa ÇU. Investigation of reno-protective efficacy of thymoquinone in a unilateral hydronephrosis model. Biotech Histochem 2024:1-8. [PMID: 38780092 DOI: 10.1080/10520295.2024.2358034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024] Open
Abstract
We aimed to evaluate the effects of the antioxidant thymoquinone on treated and untreated kidneys on histological and oxidative parameters as well as Kidney Injury Molecule (KIM-1) levels in an experimental unilateral ureteropelvic junction obstruction (UPJO) with resultant hydronephrosis (HN) model. In adherence to the Animal research: reporting of in vivo exepriments guidelines, 34 male Wistar rats were randomly divided into four groups which were named accordingly: "CO" (corn oil), "TQ" (thymoquinone and corn oil), "HNCO" (UPJO-HN and corn oil), "HNTQ" (UPJO-HN, thymoquinone and corn oil). Histologically, pelvic epithelial damage, glomerular shrinkage and sclerosis, tubular damage, interstitial edema-inflammation-fibrosis (IEIF), and vascular congestion were assessed. Biochemically, malondialdehyde (MDA), superoxide dismutase (SOD), glutathione reductase (GR) and KIM-1 levels were assessed. Macroscopic HN developed in all obstructed kidneys. Ipsilateral obstructed kidneys deteriorated in all histological parameters. Thymoquinone attenuated glomerular shrinkage and sclerosis alterations but increased vascular congestion. Contralateral non-obstructed kidneys also showed histological deterioration. Thymoquinone had beneficial effects in terms of IEIF presence in contralateral kidneys but it increased vascular congestion. MDA and SOD results were inconclusive. UPJO caused decreased GR levels in the ipsilateral kidneys but not in the contralateral ones. This effect was not ameliorated by thymoquinone treatment. KIM-1 levels were increased in ipsilateral obstructed kidneys with a lower level in HNTQ group than in HNCO. KIM-1 level of the ipsilateral HNTQ group was higher than in both non-obstructed ipsilateral kidney groups. The effect of thymoquinone in ameliorating bilaterally observed histological alterations was limited and controversial. Oxidative damage detected by GR measurements was not prevented by thymoquinone. Thymoquinone partially decreased the damage as evidenced by reduced KIM-1 levels in thymoquinone-treated obstructed kidneys.
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Affiliation(s)
- Erdem Özatman
- Department of Pediatric Surgery, Istanbul Medeniyet University Faculty of Medicine, Hospital, Prof. Dr. Suleyman Yalcin Sehir Hospital, Istanbul, Turkey
| | - Burhan Aksu
- Department of Pediatric Surgery, Istanbul Medeniyet University Faculty of Medicine, Hospital, Prof. Dr. Suleyman Yalcin Sehir Hospital, Istanbul, Turkey
| | - Itir Ebru Zemheri
- Department of Pathology, Saglik Bilimleri University Hamidiye Faculty of Medicine, Umraniye Training and Research Hospital, Istanbul, Turkey
| | - Hayriye Erman
- Department of Biochemistry, Istanbul Medeniyet University Faculty of Medicine, Prof. Dr. Suleyman Yalcin Sehir Hospital, Istanbul, Turkey
| | - Çiğdem Ulukaya Durakbaşa
- Department of Pediatric Surgery, Istanbul Medeniyet University Faculty of Medicine, Hospital, Prof. Dr. Suleyman Yalcin Sehir Hospital, Istanbul, Turkey
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Campillo S, Gutiérrez-Calabrés E, García-Miranda S, Griera M, Fernández Rodríguez L, de Frutos S, Rodríguez-Puyol D, Calleros L. Integrin-linked kinase mRNA expression in circulating mononuclear cells as a biomarker of kidney and vascular damage in experimental chronic kidney disease. Cell Commun Signal 2024; 22:264. [PMID: 38734696 PMCID: PMC11088758 DOI: 10.1186/s12964-024-01646-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 05/02/2024] [Indexed: 05/13/2024] Open
Abstract
BACKGROUND Traditional biomarkers of chronic kidney disease (CKD) detect the disease in its late stages and hardly predict associated vascular damage. Integrin-linked kinase (ILK) is a scaffolding protein and a serine/threonine protein kinase that plays multiple roles in several pathophysiological processes during renal damage. However, the involvement of ILK as a biomarker of CKD and its associated vascular problems remains to be fully elucidated. METHODS CKD was induced by an adenine-rich diet for 6 weeks in mice. We used an inducible ILK knockdown mice (cKD-ILK) model to decrease ILK expression. ILK content in mice's peripheral blood mononuclear cells (PBMCs) was determined and correlated with renal function parameters and with the expression of ILK and fibrosis and inflammation markers in renal and aortic tissues. Also, the expression of five miRNAs that target ILK was analyzed in whole blood of mice. RESULTS The adenine diet increased ILK expression in PBMCs, renal cortex, and aortas, and creatinine and urea nitrogen concentrations in the plasma of WT mice, while these increases were not observed in cKD-ILK mice. Furthermore, ILK content in PBMCs directly correlated with renal function parameters and with the expression of renal and vascular ILK and fibrosis and inflammation markers. Finally, the expression of the five miRNAs increased in the whole blood of adenine-fed mice, although only four correlated with plasma urea nitrogen, and of those, three were downregulated in cKD-ILK mice. CONCLUSIONS ILK, in circulating mononuclear cells, could be a potential biomarker of CKD and CKD-associated renal and vascular damage.
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Affiliation(s)
- Sofía Campillo
- Department of Systems Biology, Physiology Unit, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain.
- Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), and RICORS2040 Kidney Disease, Instituto de Salud Carlos III, Madrid, Spain.
| | - Elena Gutiérrez-Calabrés
- Department of Systems Biology, Physiology Unit, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), and RICORS2040 Kidney Disease, Instituto de Salud Carlos III, Madrid, Spain
| | - Susana García-Miranda
- Department of Systems Biology, Physiology Unit, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), and RICORS2040 Kidney Disease, Instituto de Salud Carlos III, Madrid, Spain
| | - Mercedes Griera
- Department of Systems Biology, Physiology Unit, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), and RICORS2040 Kidney Disease, Instituto de Salud Carlos III, Madrid, Spain
| | - Loreto Fernández Rodríguez
- Biomedical Research Foundation and Nephrology Unit, Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain
| | - Sergio de Frutos
- Department of Systems Biology, Physiology Unit, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), and RICORS2040 Kidney Disease, Instituto de Salud Carlos III, Madrid, Spain
| | - Diego Rodríguez-Puyol
- Department of Medicine and Medical Specialties, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), and RICORS2040 Kidney Disease, Instituto de Salud Carlos III, Madrid, Spain
- Biomedical Research Foundation and Nephrology Unit, Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain
| | - Laura Calleros
- Department of Systems Biology, Physiology Unit, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), and RICORS2040 Kidney Disease, Instituto de Salud Carlos III, Madrid, Spain
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Gunasekara TDKSC, De Silva PMCS, Chandana EPS, Jayasinghe S, Herath C, Siribaddana S, Jayasundara N. Environmental fluoride exposure and implications on potential pediatric kidney health risks: an approach with urinary biomarkers. Pediatr Nephrol 2024; 39:1469-1480. [PMID: 38085354 DOI: 10.1007/s00467-023-06218-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 03/16/2024]
Abstract
BACKGROUND Environmental fluoride exposure at elevated levels is potentially linked to kidney injury, and may contribute to chronic kidney disease of uncertain etiology (CKDu) as a risk factor. However, this link remains unclear, and examining the risk of kidney damage from early life fluoride exposure may provide important insights. Hence, this study aimed to investigate associations of fluoride exposure with pediatric kidney health in CKDu impacted and unimpacted communities in Sri Lanka. METHODS Considering the geographical variations in environmental fluoride, climate, and prevalence of CKDu, four study groups were established within selected education zones in CKDu-endemic dry zone regions (D-En), and CKDu-nonendemic regions within the dry (D-NE), wet (W-NE), and intermediate (I-NE) climatic zones. The study population included 922 school students (11-18 years of age). Participants in each group were divided into four subgroups based on quartiles of respective urinary fluoride (UF) distribution for comparison of urinary kidney injury molecule-1 (KIM-1), neutrophil gelatinase-associated lipocalin (NGAL), and albumin-creatinine ratio (ACR). RESULTS UF levels in participants particularly in CKDu endemic dry zone regions were significantly high compared to the other regions. Significantly high median urinary NGAL (in D-NE) and ACR (in D-EN, and W-NE) levels were observed in subgroups of higher UF quartiles. Albuminuria was not particularly identified in subjects with high UF excretion. Urinary KIM-1 showed no significant variation across the UF quartile subgroups. Linear regression identified weak associations of UF with kidney injury biomarkers. CONCLUSIONS Fluoride exposure is particularly high in CKDu-endemic dry zone communities. As implied by kidney injury biomarkers, a strong link between fluoride exposure and pediatric kidney health was not evident at the observed exposure levels in the study regions.
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Affiliation(s)
- T D K S C Gunasekara
- Department of Zoology, Faculty of Science, University of Ruhuna, Matara, 81000, Sri Lanka
| | - P Mangala C S De Silva
- Department of Zoology, Faculty of Science, University of Ruhuna, Matara, 81000, Sri Lanka.
| | - E P S Chandana
- Department of Biosystems Technology, Faculty of Technology, University of Ruhuna, Matara, 81000, Sri Lanka
| | - Sudheera Jayasinghe
- Department of Pharmacology, Faculty of Medicine, University of Ruhuna, Galle, 80000, Sri Lanka
| | - Chula Herath
- Department of Nephrology, Sri Jayewardenepura General Hospital, Nugegoda, 10250, Sri Lanka
| | - Sisira Siribaddana
- Department of Medicine, Faculty of Medicine & Allied Sciences, Rajarata University, Saliyapura, 50008, Sri Lanka
| | - Nishad Jayasundara
- Nicholas School of the Environment, Duke University, Durham, NC, 27708, USA
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10
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Mohsin N, Akhtar MS, Alkahtani SA, Walbi IA, Alhazmi Y, Alam MN, Bhardwaj A. Nephroprotective Effect of Bergapten Against Cyclophosphamide-Mediated Renal Stress, Inflammation, and Fibrosis in Wistar Rats: Probable Role of NF-kB and TGF-β1 Signaling Molecules. ACS OMEGA 2024; 9:18296-18303. [PMID: 38680299 PMCID: PMC11044238 DOI: 10.1021/acsomega.4c00124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/07/2024] [Accepted: 03/27/2024] [Indexed: 05/01/2024]
Abstract
Cyclophosphamide (CPM) is a well-established antineoplastic drug with marked clinical outcomes in various types of cancers. Despite being a promising drug, its use is associated with significant renal toxicity and often limits its use, leading to compromised clinical outcomes. Therefore, this study explored the renal protective effect of bergapten (BGP), a natural bioactive compound that showed marked antioxidant, anti-inflammatory, anticancer, and neuroprotective effects. Till now, BGP has not been studied for its renal protective effect in an in vivo model. Animals were divided into control, toxic, BGP-3, BGP-10, and BGP Per se. The control group was treated with normal saline for 2 weeks. To the toxic group, CPM 200 mg/kg was given on day 7 as i.p. To BGP-3, 10, and Per se, BGP-3 and 10 mg/kg, ip was given 2 weeks with a single shot of CPM 200 day 7. To the Per se group, only BGP 10 mg/kg, ip was given from day 1 to day 14. After 14 days, animals were sacrificed, and kidneys were removed and studied for the markers of oxidative stress, inflammation, renal injury, renal fibrosis, and renal damage using biochemical, histopathological, and immunohistochemical studies. We found that BGP-10 effectively reversed the damage toward normal, whereas BGP-3 failed to exhibit a significant renal protective effect. We conclude that bergapten could be a potential renal protective drug, and hence, more detailed cellular molecular-based studies are needed to bring this drug from the bench to the bedside.
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Affiliation(s)
- Nehal Mohsin
- Department
of Clinical Pharmacy, College of Pharmacy, Najran University, P.O. Box 1988, Najran 1644, Kingdom of Saudi Arabia
| | - Mohammad Shabib Akhtar
- Department
of Clinical Pharmacy, College of Pharmacy, Najran University, P.O. Box 1988, Najran 1644, Kingdom of Saudi Arabia
| | - Saad A Alkahtani
- Department
of Clinical Pharmacy, College of Pharmacy, Najran University, P.O. Box 1988, Najran 1644, Kingdom of Saudi Arabia
| | - Ismail A Walbi
- Department
of Clinical Pharmacy, College of Pharmacy, Najran University, P.O. Box 1988, Najran 1644, Kingdom of Saudi Arabia
| | - Yasir Alhazmi
- Department
of Clinical Pharmacy, College of Pharmacy, Najran University, P.O. Box 1988, Najran 1644, Kingdom of Saudi Arabia
| | - Md. Niyaz Alam
- Ram-Esh
Institute of Vocational & Technical Education, Greater Noida, Uttar Pradesh 201306, India
| | - Alok Bhardwaj
- Lloyd
Institute of Management & Technology, Greater Noida, Uttar Pradesh 201306, India
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11
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Omer MH, Shafqat A, Ahmad O, Nadri J, AlKattan K, Yaqinuddin A. Urinary Biomarkers for Lupus Nephritis: A Systems Biology Approach. J Clin Med 2024; 13:2339. [PMID: 38673612 PMCID: PMC11051403 DOI: 10.3390/jcm13082339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 04/12/2024] [Accepted: 04/13/2024] [Indexed: 04/28/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is the prototypical systemic autoimmune disorder. Kidney involvement, termed lupus nephritis (LN), is seen in 40-60% of patients with systemic lupus erythematosus (SLE). After the diagnosis, serial measurement of proteinuria is the most common method of monitoring treatment response and progression. However, present treatments for LN-corticosteroids and immunosuppressants-target inflammation, not proteinuria. Furthermore, subclinical renal inflammation can persist despite improving proteinuria. Serial kidney biopsies-the gold standard for disease monitoring-are also not feasible due to their inherent risk of complications. Biomarkers that reflect the underlying renal inflammatory process and better predict LN progression and treatment response are urgently needed. Urinary biomarkers are particularly relevant as they can be measured non-invasively and may better reflect the compartmentalized renal response in LN, unlike serum studies that are non-specific to the kidney. The past decade has overseen a boom in applying cutting-edge technologies to dissect the pathogenesis of diseases at the molecular and cellular levels. Using these technologies in LN is beginning to reveal novel disease biomarkers and therapeutic targets for LN, potentially improving patient outcomes if successfully translated to clinical practice.
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Affiliation(s)
- Mohamed H. Omer
- School of Medicine, Cardiff University, Cardiff CF14 4YS, UK;
| | - Areez Shafqat
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (O.A.); (J.N.); (K.A.); (A.Y.)
| | - Omar Ahmad
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (O.A.); (J.N.); (K.A.); (A.Y.)
| | - Juzer Nadri
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (O.A.); (J.N.); (K.A.); (A.Y.)
| | - Khaled AlKattan
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (O.A.); (J.N.); (K.A.); (A.Y.)
| | - Ahmed Yaqinuddin
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (O.A.); (J.N.); (K.A.); (A.Y.)
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Al-Hussan R, Albadr NA, Alshammari GM, Almasri SA, Alfayez FF, Yahya MA. Phloretamide Protects against Diabetic Kidney Damage and Dysfunction in Diabetic Rats by Attenuating Hyperglycemia and Hyperlipidemia, Suppressing NF-κβ, and Upregulating Nrf2. Pharmaceutics 2024; 16:505. [PMID: 38675166 PMCID: PMC11053512 DOI: 10.3390/pharmaceutics16040505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/20/2024] [Accepted: 04/02/2024] [Indexed: 04/28/2024] Open
Abstract
Potent hypoglycemic and antioxidant effects were recently reported for the apple-derived phenolic compound phloretamide (PLTM). The renoprotective effects of this compound are yet to be shown. This study aimed to examine the potential of PLTM to prevent diabetic nephropathy in streptozotocin-induced diabetic rats and to examine the possible mechanisms of protection. Non-diabetic and STZ-diabetic male rats were treated orally by gavage with either the vehicle or with PTLM (200 mg/kg; twice/week) for 12 weeks. PTLM significantly increased urine volume and prevented glomerular and tubular damage and vacuolization in STZ-diabetic rats. It also increased creatinine excretion and reduced urinary albumin levels and the renal levels of kidney injury molecule-1 (KIM-1), 8-hydroxy-2'-deoxyguanosine (8-OHdG), neutrophil gelatinase-associated lipocalin (NGAL), and nephrin in the diabetic rats. PTLM also prevented an increase in the nuclear levels of NF-κβ, as well as the total levels of tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), caspase-3, and Bax in the kidneys of diabetic rats. These effects were associated with reduced serum levels of triglycerides, cholesterol, and low-density lipoprotein cholesterol. In both the control and diabetic rats, PTLM significantly reduced fasting plasma glucose and enhanced the renal mRNA and cytoplasmic levels of Nrf2, as well as the levels of Bcl2, superoxide dismutase (SOD), and glutathione (GSH). However, PTLM failed to alter the cytoplasmic levels of keap1 in diabetic rats. In conclusion, PTLM prevents renal damage and dysfunction in STZ-diabetic rats through its hypoglycemic and hypolipidemic activities, as well as through its antioxidant potential, which is mediated by activating the Nrf2/antioxidant axis.
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Affiliation(s)
- Rasha Al-Hussan
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Nawal A Albadr
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ghedeir M Alshammari
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Soheir A Almasri
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Farah Fayez Alfayez
- Department of Medicine and Surgery, College of Medicine, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammed Abdo Yahya
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
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Brown T, Defarges A, Monteith G, Appleby R, Bienzle D. Determination of the reference interval for urine kidney injury molecule-1 in 50 healthy cats. J Feline Med Surg 2024; 26:1098612X241238923. [PMID: 38647460 PMCID: PMC11103318 DOI: 10.1177/1098612x241238923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
OBJECTIVES The aim of the present study was to establish a reference interval (RI) for urine kidney injury molecule-1 (KIM-1) in healthy cats. METHODS History, physical examination, blood pressure, and feline immunodeficiency virus and feline leukemia virus serology status were determined. A complete blood cell count, serum biochemical profile, urinalysis and kidney ultrasound were performed, and N-terminal pro-brain natriuretic peptide, total thyroxine (TT4) and urine KIM-1 were measured. An RI was calculated and the effect of age, sex, body condition score (BCS), blood pressure, symmetric dimethylarginine (SDMA), serum creatinine concentration (SCr), phosphorus, TT4, urine specific gravity (USG) and mid-sagittal kidney length on urine KIM-1 was evaluated using a general linear model. RESULTS Of 69 recruited cats, 50 met the inclusion criteria. There were 35 male cats and 15 female cats, with a median age of 4.3 years (range 1.0-12.3), median weight of 5.11 kg (range 2.52-8.45) and median BCS of 6/9 (range 3-8). The median serum concentrations were SDMA 11.0 µg/dl (range 2-14), SCr 88.5 µmol/l (range 47-136), phosphorus 1.41 mmol/l (range 0.8-2.2) and TT4 32.0 nmol/l (range 17-51). Median USG was 1.057 (range 1.035-1.076), mid-sagittal left kidney length was 3.50 cm (range 2.94-4.45) and mid-sagittal right kidney length was 3.70 cm (range 3.06-4.55). The derived RI for urine KIM-1 was 0.02-0.68. USG was a significant (P <0.001) predictor of urine KIM-1. Individually, age, sex, blood pressure, BCS, SDMA, SCr, phosphorus, TT4 and mid-sagittal kidney length were not significant predictors of urine KIM-1. In a multivariate model, if combined with USG, SDMA concentration was predictive (P = 0.030) of urine KIM-1. CONCLUSIONS AND RELEVANCE Urine concentration was significantly correlated with urine KIM-1, which will be an important consideration when interpreting findings in cats with potential kidney injury.
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Affiliation(s)
- Tori Brown
- Mississauga Oakville Veterinary Emergency Hospital, Oakville, ON, Canada
| | - Alice Defarges
- Department of Clinical Studies, University of Guelph, Guelph, ON, Canada
| | - Gabrielle Monteith
- Department of Clinical Studies, University of Guelph, Guelph, ON, Canada
| | - Ryan Appleby
- Department of Clinical Studies, University of Guelph, Guelph, ON, Canada
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14
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Hussein J, El-Bana M, Abdel-Latif Y, El-Sayed S, Shaarawy S, Medhat D. Moringa oleifera leaves extract loaded gold nanoparticles offers a promising approach in protecting against experimental nephrotoxicity. Prostaglandins Other Lipid Mediat 2024; 170:106800. [PMID: 38029886 DOI: 10.1016/j.prostaglandins.2023.106800] [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: 09/13/2023] [Revised: 11/02/2023] [Accepted: 11/15/2023] [Indexed: 12/01/2023]
Abstract
Cisplatin is one of the most important antitumor drugs, however; it has numerous adverse effects like nephrotoxicity which is considered one of cisplatin uses . The study was planned to evaluate the nephroprotective effect of M. oleifera leaves extract loaded gold nanoparticles (Au-NPs) against cisplatin-induced nephrotoxicity in rats. Initially, total phenolic contents (TPC) and the antioxidant activity of the M. oleifera leaves extract were evaluated and recorded 8.50 mg/g and 39.89 % respectively. After that, the dry leaves of M. oleifera were grinded into fine powder and extracted using water extraction system. Then, different volumes (0.5, 1 and 2 mL) of M. Oleifera were blended with constant volume of Au-NPs (1 mL). Both Au-NPs and M. oleifera extract loaded Au-NPs were investigated using transmission electron microscope (TEM) that illustrated the deposition of M. Oleifera onto Au-NPs. The experimental study was performed on seventy male albino rats alienated into seven groups. Group I healthy rats, group II injected with one dose of cisplatin (CisPt), groups from III to VII treated groups received CisPt then received M. Oleifera leaves extract alone and /or Au-NPs with different ratios and concentrations. After the experiment' time, serum urea and creatinine, kidney injury molecule-1 (KIM-1), advanced oxidation protein products (AOPP), monocyte chemoattractant protein-1 (MCP-1), tumor necrotic factor-α (TNF-α), and interleukin-6 (IL-6) were evaluated as markers of renal nephrotoxicity. The kidneys of rats were excised for malondialdehyde (MDA), nitric oxide (NO), and superoxide dismutase (SOD) assessments. Induction of CisPt showed a highly significant disturbance in oxidant/anti-oxidant balance and inducing inflammatory cascades supporting nephrotoxicity, while treatment with M. Oleifera leaves extract, Au-NPs, and the different concentrations of the extract loaded on Au-NPs had a crucial role in attenuating oxidative stress, enhancing antioxidant systems, and reducing inflammatory biomarkers, although the most significant results showed a powerful scavenging activity against nephrotoxicity induced by CisPt was obtained with M. Oleifera leaves extract loaded on Au-NPs with a concentration of 2:1 respectively.
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Affiliation(s)
- Jihan Hussein
- Medical Biochemistry Department, National Research Centre, Dokki 12622, Egypt.
| | - Mona El-Bana
- Medical Biochemistry Department, National Research Centre, Dokki 12622, Egypt
| | - Yasmin Abdel-Latif
- Medical Biochemistry Department, National Research Centre, Dokki 12622, Egypt; Faculty of Biotechnology, October University for Modern Sciences and Arts, Giza, Egypt
| | - Samah El-Sayed
- Dairy Science Department, National Research Centre, Dokki 12622, Egypt
| | - Sahar Shaarawy
- Pre-Treatment and Finishing of Cellulosic Fabric Department, National Research Centre, Dokki 12622, Egypt
| | - Dalia Medhat
- Medical Biochemistry Department, National Research Centre, Dokki 12622, Egypt
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15
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Quinchia J, Blázquez-García M, Torrente-Rodríguez RM, Ruiz-Valdepeñas Montiel V, Serafín V, Rejas-González R, Montero-Calle A, Orozco J, Pingarrón JM, Barderas R, Campuzano S. Disposable electrochemical immunoplatform to shed light on the role of the multifunctional glycoprotein TIM-1 in cancer cells invasion. Talanta 2024; 267:125155. [PMID: 37696234 DOI: 10.1016/j.talanta.2023.125155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/24/2023] [Accepted: 09/02/2023] [Indexed: 09/13/2023]
Abstract
Detecting overexpression of cancer biomarkers is an excellent tool for diagnostic/prognostic and follow-up of patients with cancer or their response to treatment. This work illustrates the relevance of interrogating the levels of T-cell immunoglobulin and mucin domain 1 (TIM-1) protein as a diagnostic/prognostic biomarker of high-prevalence breast and lung cancers by using an amperometric disposable magnetic microparticles-assisted immunoplatform. The developed method integrates the inherent advantages of carboxylic acid-functionalized magnetic beads (HOOC-MBs) as pre-concentrator support and the amperometric transduction at screen-printed carbon electrodes (SPCEs). The immunoplatform involves a sandwich-type immunoassay assembled on HOOC-MBs through the specific capture/labeling of TIM-1 using capture antibodies and horseradish peroxidase (HRP)-conjugated biotinylated detection antibodies as biorecognition elements. The magnetic immunoconjugates were confined onto the working electrode (WE) surface of the SPCEs for amperometric detection using the hydroquinone/hydrogen peroxide/HRP (HQ/H2O2/HRP) redox system. The method allows the selective detection of TIM-1 protein over the 87-7500 pg mL-1 concentration range in only 45 min, with a limit of detection of 26 pg mL-1. The developed bioplatform was successfully applied to the analysis of breast and lung cancer cell extracts, providing the first quantitative results of the target glycoprotein in these types of samples.
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Affiliation(s)
- Jennifer Quinchia
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Pza. de Las Ciencias 2, 28040, Madrid, Spain; Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciences, University of Antioquia. Complejo Ruta N, Calle 67 No. 52-20, Medellín, 050010, Colombia
| | - Marina Blázquez-García
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Pza. de Las Ciencias 2, 28040, Madrid, Spain
| | - Rebeca M Torrente-Rodríguez
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Pza. de Las Ciencias 2, 28040, Madrid, Spain
| | - Víctor Ruiz-Valdepeñas Montiel
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Pza. de Las Ciencias 2, 28040, Madrid, Spain
| | - Verónica Serafín
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Pza. de Las Ciencias 2, 28040, Madrid, Spain
| | | | - Ana Montero-Calle
- UFIEC, Instituto de Salud Carlos III, 28220, Majadahonda, Madrid, Spain
| | - Jahir Orozco
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciences, University of Antioquia. Complejo Ruta N, Calle 67 No. 52-20, Medellín, 050010, Colombia
| | - José M Pingarrón
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Pza. de Las Ciencias 2, 28040, Madrid, Spain
| | - Rodrigo Barderas
- UFIEC, Instituto de Salud Carlos III, 28220, Majadahonda, Madrid, Spain.
| | - Susana Campuzano
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Pza. de Las Ciencias 2, 28040, Madrid, Spain.
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Stojanović NM, Mitić KV, Nešić M, Stanković M, Petrović V, Baralić M, Randjelović PJ, Sokolović D, Radulović N. Oregano ( Origanum vulgare) Essential Oil and Its Constituents Prevent Rat Kidney Tissue Injury and Inflammation Induced by a High Dose of L-Arginine. Int J Mol Sci 2024; 25:941. [PMID: 38256015 PMCID: PMC10815453 DOI: 10.3390/ijms25020941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 12/29/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024] Open
Abstract
This study aimed to evaluate the protective action of oregano (Origanum vulgare) essential oil and its monoterpene constituents (thymol and carvacrol) in L-arginine-induced kidney damage by studying inflammatory and tissue damage parameters. The determination of biochemical markers that reflect kidney function, i.e., serum levels of urea and creatinine, tissue levels of neutrophil-gelatinase-associated lipocalin (NGAL), and kidney injury molecule-1 (KIM-1), as well as a panel of oxidative-stress-related and inflammatory biomarkers, was performed. Furthermore, histopathological and immunohistochemical analyses of kidneys obtained from different experimental groups were conducted. Pre-treatment with the investigated compounds prevented an L-arginine-induced increase in serum and tissue kidney damage markers and, additionally, decreased the levels of inflammation-related parameters (TNF-α and nitric oxide concentrations and myeloperoxidase activity). Micromorphological kidney tissue changes correlate with the alterations observed in the biochemical parameters, as well as the expression of CD95 in tubule cells and CD68 in inflammatory infiltrate cells. The present results revealed that oregano essential oil, thymol, and carvacrol exert nephroprotective activity, which could be, to a great extent, associated with their anti-inflammatory, antiradical scavenging, and antiapoptotic action and, above all, due to their ability to lessen the disturbances arising from acute pancreatic damage. Further in-depth studies are needed in order to provide more detailed explanations of the observed activities.
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Affiliation(s)
- Nikola M. Stojanović
- Department of Physiology, Faculty of Medicine, University of Niš, 18000 Niš, Serbia;
| | - Katarina V. Mitić
- Institute of Physiology and Biochemistry “Ivan Djaja”, Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia;
| | - Milica Nešić
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, 18000 Niš, Serbia; (M.N.); (N.R.)
| | - Milica Stanković
- Department of Pathology, Faculty of Medicine, University of Niš, 18000 Niš, Serbia;
| | - Vladimir Petrović
- Department of Histology and Embryology, Faculty of Medicine, University of Niš, 18000 Niš, Serbia;
| | - Marko Baralić
- School of Medicine, University of Belgrade, 11080 Belgrade, Serbia;
- Department of Nephrology, University Clinical Centre of Serbia, 11000 Belgrade, Serbia
| | - Pavle J. Randjelović
- Department of Physiology, Faculty of Medicine, University of Niš, 18000 Niš, Serbia;
| | - Dušan Sokolović
- Institute for Biochemistry, Faculty of Medicine, University of Niš, 18000 Niš, Serbia;
| | - Niko Radulović
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, 18000 Niš, Serbia; (M.N.); (N.R.)
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17
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Ibrahim WHM, Sabry AA, Abdelmoneim AR, Marzouk HFA, AbdelFattah RM. Urinary neutrophil gelatinase-associated lipocalin (uNGAL) and kidney injury molecule-1 (uKIM-1) as markers of active lupus nephritis. Clin Rheumatol 2024; 43:167-174. [PMID: 37516706 PMCID: PMC10774195 DOI: 10.1007/s10067-023-06698-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/02/2023] [Accepted: 07/02/2023] [Indexed: 07/31/2023]
Abstract
BACKGROUND AND OBJECTIVES Despite much research about lupus nephritis, none of the urinary biomarkers has been proven to be truly reflecting lupus nephritis activity, response to treatment, or prognosis. We aimed to study urinary biomarkers in lupus nephritis and test their relation to kidney damage. PATIENTS AND METHODS Forty patients with systemic lupus erythematosus (SLE) were divided into two graoups: (1) lupus nephritis group with biopsy-proven proliferative lupus nephritis (classes III and IV) and who did not receive immunosuppressive drugs within the preceding 3 months except for glucocorticoids and (2) lupus non-nephritis group with SLE patients without any renal manifestation. We assessed disease activity by the SLE disease activity index. uNGAL, uKim-1, uNGAL to urinary creatinine excretion (mg/dl), and uKim-1 to urinary creatinine excretion were measured in random spot urine samples at the time of renal biopsy and 6 months after the induction therapy. RESULTS The LN group before treatment showed higher levels of uNGAL and uKIM-1 (P-value < 0.001). ROC analysis showed that uNGAL at level of > 59 has a 95 % sensitivity, a 100 % specificity, and an AUC = 0.996 in the ability to diagnose LN. While the uKIM-1 ROC showed that at level of > 1.6, it has an 85 % sensitivity, an 80 % specificity, and an AUC = 0.919. uNGAL and uKIM levels were significantly lower after treatment (P-value < 0.001). No significant correlations were found between urinary markers before and after treatment with other clinical, inflammatory, and serological markers of lupus nephritis. CONCLUSION uNGAL, uKIM, uNGAL/Creat ratio, and uKIM/Creat ratio can be used as a predictor and a marker of disease activity for lupus nephritis. Key Points • Renal biopsy is the current standard for diagnosis of lupus nephritis and none of the urinary biomarkers has been fully concluded to have a diagnostic power to reflect the activity or the response to treatment. • However, based on the finding of the current study, uNGAL, uKIM, uNGAL/Creat ratio, and uKIM/Creat ratio showed significant diagnostic performance and were powerful indices of renal involvement in systemic lupus patients and as markers of disease activity.
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Affiliation(s)
| | - Alaa AbdelAziz Sabry
- Nephrology Unit, Internal Medicine Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Ahmed Raafat Abdelmoneim
- Nephrology Unit, Internal Medicine Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | | | - Rasha Mahmoud AbdelFattah
- Nephrology Unit, Internal Medicine Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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18
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Abdel-Wahab WM, Daifalla NS, Essawy AE. L-methionine protects against nephrotoxicity induced by methotrexate through modulation of redox status and inflammation. Redox Rep 2023; 28:2270886. [PMID: 37931136 PMCID: PMC10629423 DOI: 10.1080/13510002.2023.2270886] [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] [Indexed: 11/08/2023] Open
Abstract
Objective: Methotrexate (MTX) is a drug used in the treatment of cancer and autoimmune disorders; however, its clinical use is limited because of serious side effects including renal toxicity. This study aimed to investigate the protective effect of Lmethionine (L-Met) on MTX toxicity in the kidneys of rats.Methods: Thirty male rats were divided equally into five groups: control (saline), Met400 (400 mg/kg L-Met), MTX (20 mg/kg MTX), MTX-Met300 (300 mg/kg L-Met and 20 mg/kg MTX), and MTX-Met400 (400 mg/kg L-Met and 20 mg/kg MTX). Rats were euthanized one day after the last dose administration (day 16) and serum and renal tissue samples were collected. Renal function and injury indices, oxidative stress/antioxidant indices and proinflammatory cytokines were evaluated.Results: The results showed that L-Met could effectively counteract the nephrotoxic effects of MTX, in a dose-related manner, by improving most of the tested parameters. Furthermore, the higher dose of L-Met was able to restore several parameters to normal levels. In addition, investigation of MTX-induced hematological changes revealed a corrective potential of L-Met.Conclusion: L-Met can be an effective adjuvant therapy to modulate renal toxicity associated with MTX because of its antioxidant and antiinflammatory effects.
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Affiliation(s)
- Wessam M. Abdel-Wahab
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
- Department of Basic Sciences, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Nada S. Daifalla
- Department of Basic Sciences, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Amina E. Essawy
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
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19
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Docea AO, Cirstea AE, Cercelaru L, Drocas AI, Dinca V, Mesnage R, Marginean C, Radu A, Popa DG, Rogoveanu O, Mitrut R, Antoniou MN, Tsatsakis A, Hernández AF, Calina D. Effect of perinatal exposure to glyphosate and its mixture with 2,4-D and dicamba on rat dam kidney and thyroid function and offspring's health. ENVIRONMENTAL RESEARCH 2023; 237:116908. [PMID: 37597833 DOI: 10.1016/j.envres.2023.116908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/15/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023]
Abstract
The increasing use of the herbicide mixture of glyphosate, dicamba and 2-4-D to deal with glyphosate-resistant weeds raises concerns regarding human health and environmental risks. This study aimed to evaluate the effects of developmental exposure to glyphosate and a herbicide mixture containing glyphosate, dicamba and 2-4-D on rat dams' kidney and thyroid function and offspring's health. Pregnant Wistar rats were exposed from day-6 of gestation till weaning to regulatory relevant doses of glyphosate corresponding to the European Union (EU) acceptable daily intake (ADI; 0.5 mg/kg bw/day), and the no-observed-adverse-effect level (NOAEL; 50 mg/kg bw/day), and to a mixture of glyphosate, dicamba and 2,4-D all at the EU ADI (0.5, 0.002 and 0.3 mg/kg bw/day) respectively. After weaning the dams were sacrificed and blood and organs were collected. The pups' health was assessed by measuring viability, gestational and anogenital indices. Perinatal exposure to GLY alone and the herbicide mixture resulted in anti-androgenic effects in male offspring. In dams, exposure to glyphosate resulted in kidney glomerular and tubular dysfunction as well as increased thyroid hormone levels in a dose-dependent manner. Furthermore, exposure to the herbicide mixture resulted in effects similar to those observed with glyphosate at the NOAEL, suggesting at least an additive effect of the herbicide mixture at doses individually considered safe for humans.
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Affiliation(s)
- Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, Craiova, Romania.
| | - Andrei Eugen Cirstea
- Doctoral School, University of Medicine and Pharmacy of Craiova, Craiova, Romania.
| | - Liliana Cercelaru
- Department of Anatomy and Embryology, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania
| | - Andrei Ioan Drocas
- Department of Urology, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania
| | - Viorica Dinca
- Doctoral School, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Robin Mesnage
- King's College London, Gene Expression and Therapy Group, Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, Guy's Hospital, London, SE1 9RT, UK
| | - Cristina Marginean
- Department of Internal Medicine, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania
| | - Antonia Radu
- Department of Pharmaceutical Botany, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania.
| | - Dragos George Popa
- Department of Plastic Surgery, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania.
| | - Otilia Rogoveanu
- Department of Physical Medicine and Rehabilitation, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania.
| | - Radu Mitrut
- Department of Cardiology, University and Emergency Hospital, 050098, Bucharest, Romania
| | - Michael N Antoniou
- King's College London, Gene Expression and Therapy Group, Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, Guy's Hospital, London, SE1 9RT, UK
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003, Heraklion, Greece
| | - Antonio F Hernández
- Department of Legal Medicine and Toxicology, University of Granada School of Medicine, Granada, Spain; Health Research Institute of Granada (ibs. GRANADA), Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
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20
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Permyakova A, Rothner A, Knapp S, Nemirovski A, Ben-Zvi D, Tam J. Renal Endocannabinoid Dysregulation in Obesity-Induced Chronic Kidney Disease in Humans. Int J Mol Sci 2023; 24:13636. [PMID: 37686443 PMCID: PMC10487429 DOI: 10.3390/ijms241713636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/28/2023] [Accepted: 09/02/2023] [Indexed: 09/10/2023] Open
Abstract
The endocannabinoid system (ECS) regulates various physiological processes, including energy homeostasis and kidney function. ECS upregulation in obese animals and humans suggests a potential link to obesity-induced chronic kidney disease (CKD). However, obesity-induced ECS changes in the kidney are mainly studied in rodents, leaving the impact on obese humans unknown. In this study, a total of 21 lean and obese males (38-71 years) underwent a kidney biopsy. Biochemical analysis, histology, and endocannabinoid (eCB) assessment were performed on kidney tissue and blood samples. Correlations between different parameters were evaluated using a comprehensive matrix. The obese group exhibited kidney damage, reflected in morphological changes, and elevated kidney injury and fibrotic markers. While serum eCB levels were similar between the lean and obese groups, kidney eCB analysis revealed higher anandamide in obese patients. Obese individuals also exhibited reduced expression of cannabinoid-1 receptor (CB1R) in the kidney, along with increased activity of eCB synthesizing and degrading enzymes. Correlation analysis highlighted connections between renal eCBs, kidney injury markers, obesity, and related pathologies. In summary, this study investigates obesity's impact on renal eCB "tone" in humans, providing insights into the ECS's role in obesity-induced CKD. Our findings enhance the understanding of the intricate interplay among obesity, the ECS, and kidney function.
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Affiliation(s)
- Anna Permyakova
- Obesity and Metabolism Laboratory, The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.P.); (A.R.); (A.N.)
| | - Ariel Rothner
- Obesity and Metabolism Laboratory, The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.P.); (A.R.); (A.N.)
| | - Sarah Knapp
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel Canada, Hadassah Medical School–The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (S.K.); (D.B.-Z.)
| | - Alina Nemirovski
- Obesity and Metabolism Laboratory, The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.P.); (A.R.); (A.N.)
| | - Danny Ben-Zvi
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel Canada, Hadassah Medical School–The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (S.K.); (D.B.-Z.)
| | - Joseph Tam
- Obesity and Metabolism Laboratory, The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.P.); (A.R.); (A.N.)
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21
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Ramamoorthy R, Hussain H, Ravelo N, Sriramajayam K, Di Gregorio DM, Paulrasu K, Chen P, Young K, Masciarella AD, Jayakumar AR, Paidas MJ. Kidney Damage in Long COVID: Studies in Experimental Mice. BIOLOGY 2023; 12:1070. [PMID: 37626956 PMCID: PMC10452084 DOI: 10.3390/biology12081070] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023]
Abstract
Signs and symptoms involving multiple organ systems which persist for weeks or months to years after the initial SARS-CoV-2 infection (also known as PASC or long COVID) are common complications of individuals with COVID-19. We recently reported pathophysiological changes in various organs post-acute infection of mice with mouse hepatitis virus-1 (MHV-1, a coronavirus) (7 days) and after long-term post-infection (12 months). One of the organs severely affected in this animal model is the kidney, which correlated well with human studies showing kidney injury post-SARS-CoV-2 infection. Our long-term post-infection pathological observation in kidneys includes the development of edema and inflammation of the renal parenchyma, severe acute tubular necrosis, and infiltration of macrophages and lymphocytes, in addition to changes observed in both acute and long-term post-infection, which include tubular epithelial cell degenerative changes, peritubular vessel congestion, proximal and distal tubular necrosis, hemorrhage in the interstitial tissue, and vacuolation of renal tubules. These findings strongly suggest the possible development of renal fibrosis, in particular in the long-term post-infection. Accordingly, we investigated whether the signaling system that is known to initiate the above-mentioned changes in kidneys in other conditions is also activated in long-term post-MHV-1 infection. We found increased TGF-β1, FGF23, NGAL, IL-18, HIF1-α, TLR2, YKL-40, and B2M mRNA levels in long-term post-MHV-1 infection, but not EGFR, TNFR1, BCL3, and WFDC2. However, only neutrophil gelatinase-associated lipocalin (NGAL) increased in acute infection (7 days). Immunoblot studies showed an elevation in protein levels of HIF1-α, TLR-2, and EGFR in long-term post-MHV-1 infection, while KIM-1 and MMP-7 protein levels are increased in acute infection. Treatment with a synthetic peptide, SPIKENET (SPK), which inhibits spike protein binding, reduced NGAL mRNA in acute infection, and decreased TGF-β1, BCL3 mRNA, EGFR, HIF1-α, and TLR-2 protein levels long-term post-MHV-1 infection. These findings suggest that fibrotic events may initiate early in SARS-CoV-2 infection, leading to pronounced kidney fibrosis in long COVID. Targeting these factors therapeutically may prevent acute or long-COVID-associated kidney complications.
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Affiliation(s)
- Rajalakshmi Ramamoorthy
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (R.R.); (N.R.)
| | - Hussain Hussain
- Department of Internal Medicine and Infectious Disease, Larkin Community Hospital, Miami, FL 33143, USA;
| | - Natalia Ravelo
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (R.R.); (N.R.)
| | - Kannappan Sriramajayam
- Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA;
| | - Dibe M. Di Gregorio
- University of Miami College of Arts and Sciences, Coral Gables, FL 33146, USA;
| | - Kodisundaram Paulrasu
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, USA;
| | - Pingping Chen
- Department of Pediatrics, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (P.C.); (K.Y.)
| | - Karen Young
- Department of Pediatrics, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (P.C.); (K.Y.)
| | | | - Arumugam R. Jayakumar
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (R.R.); (N.R.)
| | - Michael J. Paidas
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (R.R.); (N.R.)
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
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22
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Joshi MD, Iacoban P, Scheetz MH. Pharmacokinetic and Biomarker Quantification Studies on Vancomycin-Loaded PEGylated Liposomes and Its Potential to Reduce Vancomycin-Induced Kidney Injury: A Rat Study. Pharmaceutics 2023; 15:1582. [PMID: 37376031 DOI: 10.3390/pharmaceutics15061582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Vancomycin is a commonly used antibiotic in hospital settings, especially against Methicillin-resistant staphylococcus aureus (MRSA). One of the major adverse events of vancomycin use in adults is kidney injury. The drug concentration, specifically the area under the concentration curve, predicts kidney injury in adults receiving vancomycin. To attempt to reduce vancomycin-induced nephrotoxicity, we have successfully encapsulated vancomycin in polyethylene glycol-coated liposomes (PEG-VANCO-lipo). We have previously carried out in vitro cytotoxicity studies on kidney cells using PEG-VANCO-lipo and found it to be minimally toxic compared to the standard vancomycin. In this study, we have dosed male adult rats with PEG-VANCO-lipo or vancomycin HCl and compared plasma vancomycin concentrations and KIM-1 as an injury biomarker in rat urine. Male Sprague Dawley rats (350 ± 10 g) were administered vancomycin (n = 6) or PEG-VANCO-lipo (n = 6) 150 mg/kg/day for three days using an IV infusion in the left jugular vein catheter. Blood was collected for plasma at 15, 30, 60, 120, 240, and 1440 min after the first and the last IV dose. Urine was collected 0-2, 2-4, 4-8, and 8-24 h after the first and the last IV infusions using metabolic cages. The animals were observed for three days after the last compound administration. Vancomycin was quantified in plasma by LC-MS/MS. Urinary KIM-1 analysis was done by using an ELISA kit. Three days after the last dose, under terminal anesthesia with IP ketamine (65-100 mg/kg) and xylazine (7-10 mg/kg), rats were euthanized. Vancomycin urine and kidney concentrations and KIM-1 were lower on day three in the PEG-Vanco-lipo group compared to the vancomycin group (p < 0.05, ANOVA and/or t-test). There was a significant reduction in plasma vancomycin concentration on day one and day three (p < 0.05, t-test) in the vancomycin group compared to the PEG-VANCO-lipo group. Vancomycin-loaded PEGylated liposomes resulted in lower levels of kidney injury, as noted by a decrease in KIM-1 values. Moreover, longer circulation in plasma with increased concentration in plasma as opposed to the kidney was observed with the PEG-VANCO-lipo group. The results indicate the high potential of PEG-VANCO-lipo in decreasing the nephrotoxicity of vancomycin clinically.
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Affiliation(s)
- Medha D Joshi
- College of Pharmacy, Midwestern University, Glendale Campus, 19555 N. 59th Avenue, Glendale, AZ 85308, USA
| | - Paulina Iacoban
- College of Pharmacy, Midwestern University, Glendale Campus, 19555 N. 59th Avenue, Glendale, AZ 85308, USA
| | - Marc H Scheetz
- College of Pharmacy, Midwestern University, Downers Grove Campus, 555 31st Street, Downers Grove, IL 60515, USA
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23
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Catanese L, Siwy J, Mischak H, Wendt R, Beige J, Rupprecht H. Recent Advances in Urinary Peptide and Proteomic Biomarkers in Chronic Kidney Disease: A Systematic Review. Int J Mol Sci 2023; 24:ijms24119156. [PMID: 37298105 DOI: 10.3390/ijms24119156] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Biomarker development, improvement, and clinical implementation in the context of kidney disease have been a central focus of biomedical research for decades. To this point, only serum creatinine and urinary albumin excretion are well-accepted biomarkers in kidney disease. With their known blind spot in the early stages of kidney impairment and their diagnostic limitations, there is a need for better and more specific biomarkers. With the rise in large-scale analyses of the thousands of peptides in serum or urine samples using mass spectrometry techniques, hopes for biomarker development are high. Advances in proteomic research have led to the discovery of an increasing amount of potential proteomic biomarkers and the identification of candidate biomarkers for clinical implementation in the context of kidney disease management. In this review that strictly follows the PRISMA guidelines, we focus on urinary peptide and especially peptidomic biomarkers emerging from recent research and underline the role of those with the highest potential for clinical implementation. The Web of Science database (all databases) was searched on 17 October 2022, using the search terms "marker *" OR biomarker * AND "renal disease" OR "kidney disease" AND "proteome *" OR "peptid *" AND "urin *". English, full-text, original articles on humans published within the last 5 years were included, which had been cited at least five times per year. Studies based on animal models, renal transplant studies, metabolite studies, studies on miRNA, and studies on exosomal vesicles were excluded, focusing on urinary peptide biomarkers. The described search led to the identification of 3668 articles and the application of inclusion and exclusion criteria, as well as abstract and consecutive full-text analyses of three independent authors to reach a final number of 62 studies for this manuscript. The 62 manuscripts encompassed eight established single peptide biomarkers and several proteomic classifiers, including CKD273 and IgAN237. This review provides a summary of the recent evidence on single peptide urinary biomarkers in CKD, while emphasizing the increasing role of proteomic biomarker research with new research on established and new proteomic biomarkers. Lessons learned from the last 5 years in this review might encourage future studies, hopefully resulting in the routine clinical applicability of new biomarkers.
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Affiliation(s)
- Lorenzo Catanese
- Department of Nephrology, Angiology and Rheumatology, Klinikum Bayreuth GmbH, 95447 Bayreuth, Germany
- Kuratorium for Dialysis and Transplantation (KfH), 95445 Bayreuth, Germany
- Medizincampus Oberfranken, Friedrich-Alexander-University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Justyna Siwy
- Mosaiques Diagnostics GmbH, 30659 Hannover, Germany
| | | | - Ralph Wendt
- Department of Nephrology, St. Georg Hospital Leipzig, 04129 Leipzig, Germany
| | - Joachim Beige
- Department of Nephrology, St. Georg Hospital Leipzig, 04129 Leipzig, Germany
- Department of Internal Medicine II, Martin-Luther-University Halle/Wittenberg, 06108 Halle/Saale, Germany
- Kuratorium for Dialysis and Transplantation (KfH), 04129 Leipzig, Germany
| | - Harald Rupprecht
- Department of Nephrology, Angiology and Rheumatology, Klinikum Bayreuth GmbH, 95447 Bayreuth, Germany
- Kuratorium for Dialysis and Transplantation (KfH), 95445 Bayreuth, Germany
- Medizincampus Oberfranken, Friedrich-Alexander-University Erlangen-Nürnberg, 91054 Erlangen, Germany
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24
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Wang Y, Morrissey JJ, Gupta P, Chauhan P, Pachynski RK, Harris PK, Chaudhuri A, Singamaneni S. Preservation of Proteins in Human Plasma through Metal-Organic Framework Encapsulation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:18598-18607. [PMID: 37015072 PMCID: PMC10484212 DOI: 10.1021/acsami.2c21192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Traditional cold chain systems of collection, transportation, and storage of biofluid specimens for eventual analysis pose a huge financial and environmental burden. These systems are impractical in pre-hospital and resource-limited settings, where refrigeration and electricity are not reliable or even available. Here, we develop an innovative technology using metal-organic frameworks (MOFs), a novel class of organic-inorganic hybrids with high thermal stability, as encapsulates for preserving the integrity of protein biomarkers in biofluids under ambient or non-refrigerated storage conditions. We encapsulate prostate-specific antigen (PSA) in whole patient plasma using hydrophilic zeolitic imidazolate framework-90 (ZIF-90) for preservation at 40 °C for 4 weeks and eventual on-demand reconstitution for antibody-based assays with recovery above 95% compared to storage at -20 °C. Without ZIF-90 encapsulation, only 10-30% of the PSA immunoactivity remained. Furthermore, we demonstrate encapsulation of multiple cancer biomarker proteins in whole patient plasma using ZIF-8 or ZIF-90 encapsulants for eventual on-demand reconstitution and analysis after 1 week at 40 °C. Overall, MOF encapsulation of patient biofluids is important as climate change may be affecting the stability and increase costs of maintaining biospecimen cold chain custody for the collection, transportation, and storage of biospecimens prior to analysis or for biobanking regardless of any countries' affluence.
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Affiliation(s)
- Yixuan Wang
- Department of Mechanical Engineering and Materials Science, Institute of Materials Science and Engineering, Washington University in St. Louis, St Louis, MO 63130, United States
| | - Jeremiah J. Morrissey
- Department of Anesthesiology, Division of Clinical and Translational Research, Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
- Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
| | - Prashant Gupta
- Department of Mechanical Engineering and Materials Science, Institute of Materials Science and Engineering, Washington University in St. Louis, St Louis, MO 63130, United States
| | - Pradeep Chauhan
- Division of Cancer Biology, Department of Radiation Oncology, Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
| | - Russell K. Pachynski
- Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
- Division of Oncology, Department of Medicine, Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
| | - Peter K. Harris
- Division of Cancer Biology, Department of Radiation Oncology, Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
| | - Aadel Chaudhuri
- Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
- Division of Cancer Biology, Department of Radiation Oncology, Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
- Department of Biomedical Engineering, Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
- Department of Genetics, Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
- Department of Computer Science and Engineering, Washington University in St. Louis, St Louis, MO 63130, United States
| | - Srikanth Singamaneni
- Department of Mechanical Engineering and Materials Science, Institute of Materials Science and Engineering, Washington University in St. Louis, St Louis, MO 63130, United States
- Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine in St. Louis, St Louis, MO 63110, United States
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25
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Norepinephrine May Exacerbate Septic Acute Kidney Injury: A Narrative Review. J Clin Med 2023; 12:jcm12041373. [PMID: 36835909 PMCID: PMC9960985 DOI: 10.3390/jcm12041373] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/30/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
Sepsis, the most serious complication of infection, occurs when a cascade of potentially life-threatening inflammatory responses is triggered. Potentially life-threatening septic shock is a complication of sepsis that occurs when hemodynamic instability occurs. Septic shock may cause organ failure, most commonly involving the kidneys. The pathophysiology and hemodynamic mechanisms of acute kidney injury in the case of sepsis or septic shock remain to be elucidated, but previous studies have suggested multiple possible mechanisms or the interplay of multiple mechanisms. Norepinephrine is used as the first-line vasopressor in the management of septic shock. Studies have reported different hemodynamic effects of norepinephrine on renal circulation, with some suggesting that it could possibly exacerbate acute kidney injury caused by septic shock. This narrative review briefly covers the updates on sepsis and septic shock regarding definitions, statistics, diagnosis, and management, with an explanation of the putative pathophysiological mechanisms and hemodynamic changes, as well as updated evidence. Sepsis-associated acute kidney injury remains a major burden on the healthcare system. This review aims to improve the real-world clinical understanding of the possible adverse outcomes of norepinephrine use in sepsis-associated acute kidney injury.
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26
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Kala P, Vaňourková Z, Škaroupková P, Kompanowska-Jezierska E, Sadowski J, Walkowska A, Veselka J, Táborský M, Maxová H, Vaněčková I, Červenka L. Endothelin type A receptor blockade increases renoprotection in congestive heart failure combined with chronic kidney disease: Studies in 5/6 nephrectomized rats with aorto-caval fistula. Biomed Pharmacother 2023; 158:114157. [PMID: 36580726 DOI: 10.1016/j.biopha.2022.114157] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 12/11/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Association of congestive heart failure (CHF) and chronic kidney disease (CKD) worsens the patient's prognosis and results in poor survival rate. The aim of this study was to examine if addition of endothelin type A (ETA) receptor antagonist to the angiotensin-converting enzyme inhibitor (ACEi) will bring additional beneficial effects in experimental rats. METHODS CKD was induced by 5/6 renal mass reduction (5/6 NX) and CHF was elicited by volume overload achieved by creation of aorto-caval fistula (ACF). The follow-up was 24 weeks after the first intervention (5/6 NX). The treatment regimens were initiated 6 weeks after 5/6 NX and 2 weeks after ACF creation. RESULTS The final survival in untreated group was 15%. The treatment with ETA receptor antagonist alone or ACEi alone and the combined treatment improved the survival rate to 64%, 71% and 75%, respectively, however, the difference between the combination and either single treatment regimen was not significant. The combined treatment exerted best renoprotection, causing additional reduction in albuminuria and reducing renal glomerular and tubulointerstitial injury as compared with ACE inhibition alone. CONCLUSIONS Our results show that treatment with ETA receptor antagonist attenuates the CKD- and CHF-related mortality, and addition of ETA receptor antagonist to the standard blockade of RAS by ACEi exhibits additional renoprotective actions.
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Affiliation(s)
- Petr Kala
- Department of Cardiology, University Hospital Motol and 2nd Faculty of Medicine, Charles University, Prague, Czech Republic; Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
| | - Zdenka Vaňourková
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Petra Škaroupková
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Elżbieta Kompanowska-Jezierska
- Department of Renal and Body Fluid Physiology, Mossakowski Medical Research Institute, Polish Academy of Science, Warsaw, Poland
| | - Janusz Sadowski
- Department of Renal and Body Fluid Physiology, Mossakowski Medical Research Institute, Polish Academy of Science, Warsaw, Poland
| | - Agnieszka Walkowska
- Department of Renal and Body Fluid Physiology, Mossakowski Medical Research Institute, Polish Academy of Science, Warsaw, Poland
| | - Josef Veselka
- Department of Cardiology, University Hospital Motol and 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Miloš Táborský
- Department of Internal Medicine I, Cardiology, University Hospital Olomouc and Palacký University, Olomouc, Czech Republic
| | - Hana Maxová
- Department of Pathophysiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Ivana Vaněčková
- Institute of Physiology, Czech Academy of Sciences, Czech Republic
| | - Luděk Červenka
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic; Department of Internal Medicine I, Cardiology, University Hospital Olomouc and Palacký University, Olomouc, Czech Republic
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Azırak S. Prevention of nephrotoxicity induced by amikacin: The role of misoprostol, A prostaglandin E1 analogue. Prostaglandins Other Lipid Mediat 2023; 164:106682. [PMID: 36349661 DOI: 10.1016/j.prostaglandins.2022.106682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 11/05/2022]
Abstract
Amikacin (AK) is an aminoglycoside that is widely used to treat life-threatening Gram-negative infections, especially in intensive care units. Despite its wide clinical indications, AK causes serious side effects such as kidney toxicity. AK was found to lead to tissue damage primarily through apoptosis and oxidative stress. Therefore, it was investigated whether misoprostol (MP), which has antioxidant and antiapoptotic properties, had a beneficial effect on kidney damage caused by AK. It was observed that kidney injury molecule-1 (KIM-1) mRNA, blood urea nitrogen (BUN), creatinine (Cr), NADPH oxidase-4 (NOX-4) and Caspase-3 (CAS-3) levels increased in the AK-treated group in comparison with the control group, while uric acid, albumin, and total protein levels were decreased. In rats that were treated with AK+MP, the levels of KIM-1 mRNA, BUN, Cr, NOX-4 and CAS-3 were significantly decreased in comparison with the AK group, while uric acid, albumin and total protein levels increased. According to the obtained results, MP was found to be quite effective in the protection of kidneys from the toxic effects of AK.
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Affiliation(s)
- Sebile Azırak
- Vocational School of Health Services, University of Adıyaman, Adıyaman, Turkey.
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Alaaeldin R, Bakkar SM, Mohyeldin RH, Ali FEM, Abdel-Maqsoud NMR, Fathy M. Azilsartan Modulates HMGB1/NF-κB/p38/ERK1/2/JNK and Apoptosis Pathways during Renal Ischemia Reperfusion Injury. Cells 2023; 12:cells12010185. [PMID: 36611978 PMCID: PMC9818604 DOI: 10.3390/cells12010185] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 12/29/2022] [Accepted: 12/30/2022] [Indexed: 01/03/2023] Open
Abstract
Renal ischemia/reperfusion (IR) injury is characterized by an unexpected impairment of blood flow to the kidney. Azilsartan is an angiotensin receptor blocker that is approved for the management of hypertension. The present study aimed to investigate, on molecular basics, the nephroprotective activity of azilsartan on renal IR injury in rats. Rats were assigned into four groups: (1) Sham group, (2) Azilsartan group, (3) IR group, and (4) IR/Azilsartan-treated group. Histological examination and renal function were evaluated. Levels of KIM-1, HMGB1, caspase 3, GPX, SOD, NF-κB, and p53 proteins were investigated using ELISA. mRNA levels of IL-1β, IL6, IL10, TNF-α, NF-κB, p53, and bax were assessed by qRT-PCR. Expression of p38, JNK, and ERK1/2 proteins was investigated by Western blotting. IR injury resulted in tissue damage, elevation of creatinine, BUN, KIM-1, HMGB1, caspase 3, NF-κB, and p53 levels, decreasing GPX and SOD activities, and up-regulation of NF-κB, IL-1β, IL6, TNF-α, p53, and bax genes. Furthermore, it up-regulated the expression of phosphorylated/total ratio of p38, ERK1/2, and JNK proteins. Interestingly, treatment of the injured rats with azilsartan significantly alleviated IR injury-induced histopathological and biochemical changes. It reduced the creatinine, BUN, KIM-1, HMGB1, caspase-3, NF-κB, and p53 levels, elevated GPX and SOD activities, down-regulated the expression of NF-κB, IL-1β, IL6, TNF-α, p53, and bax genes, and up-regulated IL10 gene expression. Furthermore, it decreased the phosphorylated/total ratio of p38, ERK1/2, and JNK proteins. Azilsartan exhibited nephroprotective activity in IR-injured rats via its antioxidant effect, suppression of inflammation, attenuation of apoptosis, and inhibition of HMGB1/NF-κB/p38/ERK1/2/JNK signaling pathway.
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Affiliation(s)
- Rania Alaaeldin
- Department of Biochemistry, Faculty of Pharmacy, Deraya University, Minia 61519, Egypt
| | - Sally M. Bakkar
- Department of Biochemistry, Faculty of Medicine, Assiut University, Assiut 71515, Egypt
| | - Reham H. Mohyeldin
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Deraya University, Minia 61519, Egypt
| | - Fares E. M. Ali
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | | | - Moustafa Fathy
- Department of Biochemistry, Faculty of Pharmacy, Minia University, Minia 61511, Egypt
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
- Correspondence:
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Sharma P, Verma PK, Sood S, Singh M, Verma D. Impact of Chronic Sodium Fluoride Toxicity on Antioxidant Capacity, Biochemical Parameters, and Histomorphology in Cardiac, Hepatic, and Renal Tissues of Wistar Rats. Biol Trace Elem Res 2023; 201:229-241. [PMID: 35023047 DOI: 10.1007/s12011-022-03113-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 01/09/2022] [Indexed: 02/06/2023]
Abstract
The study was designed to determine the fluoride distribution after its oral exposure in drinking water and its associated impact on biochemical, antioxidant markers and histology in the liver, kidney, and heart of male Wistar rats. On 100 ppm exposure, the highest accretion of fluoride occurred in the liver followed by the kidney and heart. Fluoride exposure significantly (p˂0.05) increased the plasma levels of dehydrogenase, aminotransferases, kidney injury molecule-1 (KIM-1), and other plasma renal biomarkers but decreased the levels of total plasma proteins and albumin in a dose-dependent manner. Reduction (p˂0.05) in the activities of antioxidant enzymes viz. acetylcholinesterase, arylesterase, superoxide dismutase, catalase, glutathione peroxidase, and reductase with increased levels of protein and lipid peroxidation was recorded in the liver, kidney, and heart of fluoride-administered rats. Fluoride exposure (100 ppm) induced lipid peroxidation was highest in kidney (4.4 times) followed by liver (2.6 times) and heart (2.5 times) and as compared to their respective control. The percent rise in protein oxidation at 30% was almost equal in the kidney and liver but was 21.5% in the heart as compared to control. The histopathological alterations observed included congestion and hemorrhage along with degeneration and necrosis of parenchymal cells in hepato-renal tissues and myocardium, severity of which varied in a dose-dependent manner. Taken together, fluoride distribution in the liver, heart, and kidney after chronic fluoride intake correlated well with fluoride-induced hepatic and cardio-renal toxicity in a concentration-dependent manner. These results draw attention that chronic fluoride intake pose a significant health risk for human and animal residents of fluoride endemic areas.
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Affiliation(s)
- Priyanka Sharma
- Division of Veterinary Pharmacology and Toxicology, Faculty of Veterinary Science and Animal Husbandry, R S Pura, 181102, Jammu, Jammu and Kashmir, India
| | - Pawan Kumar Verma
- Division of Veterinary Pharmacology and Toxicology, Faculty of Veterinary Science and Animal Husbandry, R S Pura, 181102, Jammu, Jammu and Kashmir, India.
| | - Shilpa Sood
- Division of Veterinary Pathology, Faculty of Veterinary Science and Animal Husbandry, R S Pura, 181102, India
| | - Maninder Singh
- Division of Veterinary Public Health and Epidemiology, Faculty of Veterinary Science and Animal Husbandry, R S Pura, 181102, India
| | - Deepika Verma
- Division of Veterinary Pharmacology and Toxicology, Faculty of Veterinary Science and Animal Husbandry, R S Pura, 181102, Jammu, Jammu and Kashmir, India
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30
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Vasquez-Rios G, Moledina DG, Jia Y, McArthur E, Mansour SG, Thiessen-Philbrook H, Shlipak MG, Koyner JL, Garg AX, Parikh CR, Coca SG. Pre-operative kidney biomarkers and risks for death, cardiovascular and chronic kidney disease events after cardiac surgery: the TRIBE-AKI study. J Cardiothorac Surg 2022; 17:338. [PMID: 36567329 PMCID: PMC9790121 DOI: 10.1186/s13019-022-02066-4] [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: 03/20/2022] [Accepted: 12/08/2022] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Soluble tumor necrosis factor receptor (sTNFR)1, sTNFR2, and plasma kidney injury molecule-1 (KIM-1) are associated with kidney events in patients with and without diabetes. However, their associations with clinical outcomes when obtained pre-operatively have not been explored. METHODS The TRIBE-AKI cohort study is a prospective, multicenter, cohort study of high-risk adults undergoing cardiac surgery. We assessed the associations between pre-operative concentrations of plasma sTNFR1, sTNFR2, and KIM-1 and post-operative long-term outcomes including mortality, cardiovascular events, and chronic kidney disease (CKD) incidence or progression after discharge. RESULTS Among 1378 participants included in the analysis with a median follow-up period of 6.7 (IQR 4.0-7.9) years, 434 (31%) patients died, 256 (19%) experienced cardiovascular events and out of 837 with available long-term kidney function data, 30% developed CKD. After adjustment for clinical covariates, each log increase in biomarker concentration was independently associated with mortality with 95% CI adjusted hazard ratios (aHRs) of 3.0 (2.3-4.0), 2.3 (1.8-2.9), and 2.0 (1.6-2.4) for sTNFR1, sTNFR2, and KIM-1, respectively. For cardiovascular events, the 95% CI aHRs were 2.1 (1.5-3.1), 1.9 (1.4-2.6) and 1.6 (1.2-2.1) for sTNFR1, sTNFR2 and KIM-1, respectively. For CKD events, the aHRs were 2.2 (1.5-3.1) for sTNFR1, 1.9 (1.3-2.7) for sTNFR2, and 1.7 (1.3-2.3) for KIM-1. Despite the associations, each of the biomarkers alone or in combination failed to result in robust discrimination on an absolute basis or compared to a clinical model. CONCLUSION sTNFR1, sTNFR2, and KIM-1 were independently associated with longitudinal outcomes after discharge from a cardiac surgery hospitalization including death, cardiovascular, and CKD events when obtained pre-operatively in high-risk individuals. Pre-operative plasma biomarkers could serve to assist during the evaluation of patients in whom cardiac surgery is planned.
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Affiliation(s)
- George Vasquez-Rios
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1243, New York, NY, 10029, USA
| | - Dennis G Moledina
- Section of Nephrology and Clinical and Translational Research Accelerator, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Yaqi Jia
- Division of Nephrology, School of Medicine, Johns Hopkins University, 1830 E. Monument St., Suite 416, Baltimore, MD, 21287, USA
| | | | - Sherry G Mansour
- Section of Nephrology and Clinical and Translational Research Accelerator, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Heather Thiessen-Philbrook
- Division of Nephrology, School of Medicine, Johns Hopkins University, 1830 E. Monument St., Suite 416, Baltimore, MD, 21287, USA
| | - Michael G Shlipak
- Kidney Health Research Collaborative, University of California San Francisco, San Francisco, CA, USA.,Department of Medicine, San Francisco VA Medical Center and University of California, San Francisco, USA
| | - Jay L Koyner
- Section of Nephrology, Department of Medicine, Pritzker School of Medicine University of Chicago, Chicago, USA
| | - Amit X Garg
- ICES, Toronto, ON, Canada.,Division of Nephrology, Department of Medicine, Western University, London, ON, Canada
| | - Chirag R Parikh
- Division of Nephrology, School of Medicine, Johns Hopkins University, 1830 E. Monument St., Suite 416, Baltimore, MD, 21287, USA.
| | - Steven G Coca
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1243, New York, NY, 10029, USA.
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Laorodphun P, Cherngwelling R, Panya A, Arjinajarn P. Curcumin protects rats against gentamicin-induced nephrotoxicity by amelioration of oxidative stress, endoplasmic reticulum stress and apoptosis. PHARMACEUTICAL BIOLOGY 2022; 60:491-500. [PMID: 35188833 PMCID: PMC8865128 DOI: 10.1080/13880209.2022.2037663] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 01/18/2022] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
CONTEXT Gentamicin (GM) is an aminoglycoside antibiotic which is commonly used against Gram-negative bacterial infection; however, serious complications including nephrotoxicity could limit its clinical use. OBJECTIVE The present study examined the protective effects of curcumin (CUR) on endoplasmic reticulum (ER) stress-mediated apoptosis through its antioxidative property in GM-induced nephrotoxicity in rats. MATERIALS AND METHODS Male Sprague-Dawley rats (n = 3) were divided into six groups to receive normal saline (control), GM (100 mg/kg/day), co-treatment with GM and CUR (100, 200 and 300 mg/kg/day) and CUR (200 mg/kg/day) alone for 15 days by gavage feeding. Then, the renal function, kidney injury as well as oxidative stress, antioxidative markers and ER stress-mediated apoptosis were evaluated. RESULTS Pre-treatment of CUR rescued the nephrotoxicity in GM-treated rats. Several nephrotoxicity hallmarks were reversed in the CUR-pre-treatment group. At the dose of 200 mg/kg/day, it could significantly lower serum creatinine (from 0.95 to 0.50 mg/dL), blood urea nitrogen (from 35.00 to 23.50 mg/dL) and augmented creatinine clearance (from 0.83 to 1.71 mL/min). The normalized expression of oxidative stress marker, malondialdehyde was decreased (from 13.00 to 5.98) in line with the increase of antioxidant molecules including superoxide dismutase (from 5.59 to 14.24) and glutathione (from 5.22 to 12.53). Furthermore, the renal ER stress and apoptotic protein biomarkers were lowered in CUR treatment. DISCUSSION AND CONCLUSIONS Our findings pave the way for the application of CUR as a supplement in the prevention of nephrotoxicity and other kidney diseases in the future.
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Affiliation(s)
- Pongrapee Laorodphun
- Ph.D.’s Degree Program in Biology (International Program), Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Rada Cherngwelling
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Aussara Panya
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
- Research Center in Bioresources for Agriculture, Industry and Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Phatchawan Arjinajarn
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
- Research Center in Bioresources for Agriculture, Industry and Medicine, Chiang Mai University, Chiang Mai, Thailand
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7-hydroxycoumarin modulates Nrf2/HO-1 and microRNA-34a/SIRT1 signaling and prevents cisplatin-induced oxidative stress, inflammation, and kidney injury in rats. Life Sci 2022; 310:121104. [PMID: 36270424 DOI: 10.1016/j.lfs.2022.121104] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/05/2022] [Accepted: 10/14/2022] [Indexed: 12/14/2022]
Abstract
The kidneys are vulnerable to toxicity and acute kidney injury (AKI) is the main adverse effect associated with the clinical use of the chemotherapeutic agent cisplatin (CIS). Oxidative stress and inflammation are implicated in CIS nephrotoxicity. In this study, the effect of the antioxidant 7-hydroxycoumarin (7-HC) against CIS-induced renal intoxication was evaluated. Rats received 7-HC (25, 50, and 100 mg/kg) orally for 14 days and CIS (7 mg/kg) at day 15, and samples were collected 3 days after CIS administration. CIS increased serum urea, creatinine and kidney injury molecule (Kim)-1, caused multiple histopathological changes and increased renal reactive oxygen species (ROS), malondialdehyde (MDA), nitric oxide (NO), NF-κB p65, iNOS, and pro-inflammatory cytokines. 7-HC dose-dependently prevented kidney dysfunction and tissue injury and suppressed ROS and inflammatory mediators. 7-HC boosted renal antioxidants and Bcl-2 while decreased Bax and caspase-3 expression in CIS-administered rats. In addition, 7-HC downregulated Keap-1 and microRNA-34a and upregulated Nrf2, NQO-1, HO-1, and SIRT1. Molecular docking revealed the binding affinity of 7-HC towards NF-κB, Keap-1, and SIRT1. In Conclusion, 7-HC prevented CIS nephrotoxicity by attenuating tissue injury, oxidative stress, inflammation, and apoptotic cell death. The protective efficacy of 7-HC was associated with inhibiting NF-κB and Keap-1, and modulating Nrf2/HO-1 and microRNA34a/Sirt1 signaling.
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Aboelwafa HR, Ramadan RA, Ibraheim SS, Yousef HN. Modulation Effects of Eugenol on Nephrotoxicity Triggered by Silver Nanoparticles in Adult Rats. BIOLOGY 2022; 11:biology11121719. [PMID: 36552229 PMCID: PMC9774980 DOI: 10.3390/biology11121719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 11/21/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022]
Abstract
The use of silver nanoparticles (AgNPs) is expanding. This study evaluates the modulator effect of eugenol (Eug) on AgNP-induced nephrotoxicity in rats. Sixty male rats were separated into six groups: control, Eug, AgNPs low-dose, AgNPs high-dose, Eug + AgNPs low-dose, and Eug + AgNPs high-dose. After 30 days, kidney function, antioxidative and proinflammatory status, histopathological, histomorphometrical, and immunohistochemical assessments were performed. AgNPs markedly induced oxidative stress in renal tissues, characterized by increased levels of blood urea nitrogen, creatinine, uric acid, kidney injury molecule-1, the total oxidant capacity, malondialdehyde, tumor necrosis factor-alpha (TNF-α), and interleukin-6, as well as decreased levels of the total antioxidant capacity, superoxide dismutase, catalase, reduced glutathione, and glutathione peroxidase. Moreover, the normal renal architecture was destroyed, and the thickness of the renal capsules, cortex, and medulla, alongside the diameter and quantity of the normal Malpighian corpuscles and the proximal and distal convoluted tubules were decreased. Immunoreactivity for P53, caspase-3, and TNF-α reactive proteins were significantly increased; however, Bcl-2 immunoreactivity was decreased. Eug reversed most biochemical, histological, histomorphometrical, and immunohistochemical changes in AgNP-treated animals. This study demonstrated that nephrotoxicity in AgNP-treated rats was mitigated by an Eug supplementation. Eug's antioxidant, antiapoptotic, and anti-inflammatory capabilities were the key in modulating AgNPs nephrotoxicity.
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Schmidt IM, Colona MR, Srivastava A, Yu G, Sabbisetti V, Bonventre JV, Waikar SS. Plasma Kidney Injury Molecule-1 in Systemic Lupus Erythematosus: Discordance Between ELISA and Proximity Extension Assay. Kidney Med 2022; 4:100496. [PMID: 36061370 PMCID: PMC9437607 DOI: 10.1016/j.xkme.2022.100496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Insa M. Schmidt
- Section of Nephrology, Department of Medicine, Boston University School of Medicine and Boston Medical Center, Boston, MA
| | - Mia R. Colona
- Section of Nephrology, Department of Medicine, Boston University School of Medicine and Boston Medical Center, Boston, MA
| | - Anand Srivastava
- Division of Nephrology and Hypertension, Center for Translational Metabolism and Health, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Guanghao Yu
- Section of Nephrology, Department of Medicine, Boston University School of Medicine and Boston Medical Center, Boston, MA
| | - Venkata Sabbisetti
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Joseph V. Bonventre
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Sushrut S. Waikar
- Section of Nephrology, Department of Medicine, Boston University School of Medicine and Boston Medical Center, Boston, MA
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Hamdy MM, Abdel-Rahman MS, Badary DM, Sabra MS. Effects of furosemide and tadalafil in both conventional and nanoforms against adenine-induced chronic renal failure in rats. Eur J Med Res 2022; 27:117. [PMID: 35820963 PMCID: PMC9275182 DOI: 10.1186/s40001-022-00747-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 06/27/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Chronic renal failure (CRF) is a progressive loss of renal function that lead to reduced sodium filtration and inappropriate suppression of tubular reabsorption that ultimately leads to volume expansion. The aim of this study was to study the efficacy of furosemide and tadalafil nanoforms compared to conventional forms against adenine-induced CRF rat-model. METHODS Addition of 0.75% adenine to the diet of rats for 4 weeks gained general acceptance as a model to study kidney damage as this intervention mimicked most of the structural and functional changes seen in human chronic kidney disease Urine analysis, histopathological changes and immunohistochemical expression of caspase-3 and interleukin-1 beta (IL-1β) in renal tissues were performed. RESULTS Our results showed that the combination of tadalafil and furosemide using conventional and nanoparticle formulations had better renoprotective effect than individual drugs. This was demonstrated by improvement of urinary, serum and renal tissue markers as indicative of organ damage. This was also reflected on the reduction of tubular expression of kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL). Immunohistochemical studies showed that the deteriorated renal cellular changes indicated by increased expression of caspase-3 and IL-1β were greatly improved by the combined treatment particularly with the nanoforms. CONCLUSIONS The nanoforms of both furosemide and tadalafil had greater renopreventive effects compared with conventional forms against adenine-induced CRF in rats.
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Affiliation(s)
| | - Mahran S Abdel-Rahman
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Sphinx University, New Assuit, 71526, Egypt
| | - Dalia M Badary
- Pathology Department, Faculty of Medicine, Assiut University, Egypt, Assuit, 71526, Egypt
| | - Mahmoud S Sabra
- Pharmacology Department, Faculty of Veterinary Medicine, Assiut University, Assuit, 71526, Egypt.
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Carlson WD, Keck PC, Bosukonda D, Carlson FR. A Process for the Design and Development of Novel Bone Morphogenetic Protein-7 (BMP-7) Mimetics With an Example: THR-184. Front Pharmacol 2022; 13:864509. [PMID: 35873578 PMCID: PMC9306349 DOI: 10.3389/fphar.2022.864509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 06/13/2022] [Indexed: 11/29/2022] Open
Abstract
Growth Factors have been evaluated as therapeutic targets for the treatment of a broad spectrum of diseases. Because they are proteins with pleiotropic effects, the quest to harness their beneficial effects has presented challenges. Most Growth Factors operate at the extracellular-receptor level and have natural feedback mechanisms that modulate their effects. As proteins, they are difficult and expensive to manufacture. Frequently proteins must be administered parenterally, may invoke an immune response, and may be neutralized by naturally occurring inhibitors. To circumvent these limitations, we have undertaken an effort to develop mimetics for the Bone Morphogenetic Protein (BMP) signaling pathway effects that incorporate the beneficial effects, eliminate the deleterious effects, and thereby create effective drug-like compounds.To this end, we have designed and tested a family of small peptide BMP mimetics. The design used the three-dimensional structure of BMP-7 to identify likely active surface regions. Lead sequences were then optimized based on in vitro assays that examine the selective binding to BMP receptors, demonstrate the phosphorylation of Smad-1,5,8, detect anti-apoptosis and anti-inflammation, and block the epithelial to mesenchymal transition (EMT) in renal tubular epithelial cells. These sequences were further optimized using in vivo assays of the attenuation of acute kidney injury in a rat-model of unilateral clamp ischemic reperfusion. This process uses a Structure Variance Analysis algorithm (SVA) to identify structure/activity relationships. One member of this family, THR-184, is an agonist of BMP signaling and a potent antagonist of TGFβ signaling. This small peptide mimetic inhibits inflammation, apoptosis, fibrosis and reverses epithelial to mesenchymal transition (EMT) by regulating multiple signaling pathways involved in the cellular injury of multiple organs. Its effects have been shown to control Acute Kidney Injury (AKI). THR-184 has progressed through phase I and II clinical trials for the prevention of Cardio-Vascular Surgery (CVS) associated AKI. This work provides a roadmap for the development of other growth factor mimetics and demonstrates how we might harness their therapeutic potential.
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Affiliation(s)
- William D. Carlson
- Division of Cardiology, Mass General Hospital/Harvard, Boston, MA, United States
- Harvard Medical School, Boston, MA, United States
- Therapeutics By Design, Boston, MA, United States
- Thrasos Therapeutics, Hopkinton, MA, United States
- *Correspondence: William D. Carlson,
| | - Peter C. Keck
- Therapeutics By Design, Boston, MA, United States
- Thrasos Therapeutics, Hopkinton, MA, United States
| | - Dattatreyamurty Bosukonda
- Division of Cardiology, Mass General Hospital/Harvard, Boston, MA, United States
- Therapeutics By Design, Boston, MA, United States
- Thrasos Therapeutics, Hopkinton, MA, United States
| | - Frederic Roy Carlson
- Therapeutics By Design, Boston, MA, United States
- Thrasos Therapeutics, Hopkinton, MA, United States
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Feng X, Jin X, Zhou R, Jiang Q, Wang Y, Zhang X, Shang K, Zhang J, Yu C, Shou J. Deep learning approach identified a gene signature predictive of the severity of renal damage caused by chronic cadmium accumulation. JOURNAL OF HAZARDOUS MATERIALS 2022; 433:128795. [PMID: 35405588 DOI: 10.1016/j.jhazmat.2022.128795] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 03/07/2022] [Accepted: 03/23/2022] [Indexed: 06/14/2023]
Abstract
Epidemiology studies have indicated that environmental cadmium exposure, even at low levels, will result in chronic cadmium accumulation in the kidney with profound adverse consequences and that the diabetic population is more susceptible. However, the underlying mechanisms are yet not fully understood. In the present study, we applied an animal model to study chronic cadmium exposure-induced renal injury and performed whole transcriptome profiling studies. Repetitive CdCl2 exposure resulted in cadmium accumulation and remarkable renal injuries in the animals. The diabetic ob/ob mice manifested increased severity of renal injury compared with the wild type C57BL/6 J littermate controls. RNA-Seq data showed that cadmium treatment induced dramatic gene expression changes in a dose-dependent manner. Among the differentially expressed genes include the apoptosis hallmark genes which significantly demarcated the treatment effects. Pathway enrichment and network analyses revealed biological oxidation (mainly glucuronidation) as one of the major stress responses induced by cadmium treatment. We next implemented a deep learning algorithm in conjunction with cloud computing and discovered a gene signature that can predict the degree of renal injury induced by cadmium treatment. The present study provided, for the first time, a comprehensive mechanistic understanding of chronic cadmium-induced nephrotoxicity in normal and diabetic populations at the whole genome level.
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Affiliation(s)
- Xuefang Feng
- Department of Nephrology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai 200090, China
| | - Xian Jin
- EnnovaBio Pharmaceuticals, Shanghai 201203, China; Ennovabio (ZheJiang) Pharmaceuticals, Shaoxing, Zhejiang 312366, China
| | - Rong Zhou
- Department of Nephrology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai 200090, China
| | - Qian Jiang
- Department of Nephrology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai 200090, China
| | - Yanan Wang
- Department of Nephrology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai 200090, China
| | - Xing Zhang
- EnnovaBio Pharmaceuticals, Shanghai 201203, China
| | - Ke Shang
- EnnovaBio Pharmaceuticals, Shanghai 201203, China; Ennovabio (ZheJiang) Pharmaceuticals, Shaoxing, Zhejiang 312366, China
| | - Jianhua Zhang
- EnnovaBio Pharmaceuticals, Shanghai 201203, China; Ennovabio (ZheJiang) Pharmaceuticals, Shaoxing, Zhejiang 312366, China
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China.
| | - Jianyong Shou
- EnnovaBio Pharmaceuticals, Shanghai 201203, China; Ennovabio (ZheJiang) Pharmaceuticals, Shaoxing, Zhejiang 312366, China.
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Cuesta C, Fuentes-Calvo I, Sancho-Martinez SM, Valentijn FA, Düwel A, Hidalgo-Thomas OA, Agüeros-Blanco C, Benito-Hernández A, Ramos-Barron MA, Gómez-Alamillo C, Arias M, Nguyen TQ, Goldschmeding R, Martínez-Salgado C, López-Hernández FJ. Urinary KIM-1 Correlates with the Subclinical Sequelae of Tubular Damage Persisting after the Apparent Functional Recovery from Intrinsic Acute Kidney Injury. Biomedicines 2022; 10:1106. [PMID: 35625842 PMCID: PMC9139078 DOI: 10.3390/biomedicines10051106] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/29/2022] [Accepted: 05/09/2022] [Indexed: 11/16/2022] Open
Abstract
Acute kidney injury (AKI) poses an increased risk factor for new AKI episodes, progression to chronic kidney disease, and death. A worsened evolution has been linked to an incomplete renal repair beyond the apparent functional recovery based on plasma creatinine (pCr) normalization. However, structural sequelae pass largely unnoticed due to the absence of specific diagnostic tools. The urinary kidney injury molecule 1 (KIM-1) participates in renal tissue damage and repair and is proposed as a biomarker of early and subclinical AKI. Thus, we study in this paper the evolution of KIM-1 urinary excretion alongside renal tissue sequelae after an intrinsic AKI episode induced by cisplatin in Wistar rats. Creatinine clearance, pCr, proteinuria and the fractional excretion of Na+ and glucose were used to monitor renal function. Renal tissue damage was blindly scored in kidney specimens stained with hematoxylin-eosin and periodic acid-Schiff. KIM-1 urinary excretion and renal mRNA expression were also assessed. Finally, we analyzed urinary KIM-1 in patients apparently recovered from AKI. Our results show that, after the normalization of the standard markers of glomerular filtration and tubular function, the extent of persistent histological findings of tissue repair correlates with the renal expression and urinary level of KIM-1 in rats. In addition, KIM-1 is also elevated in the urine of a significant fraction of patients apparently recovered from an AKI. Besides its potential utility in the early and subclinical diagnosis of renal damage, this study suggests a new application of urinary KIM-1 in the non-invasive follow-up of renal repair after AKI.
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Affiliation(s)
- Cristina Cuesta
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (C.C.); (I.F.-C.); (S.M.S.-M.); (A.D.); (O.A.H.-T.)
- Translational Research on Renal and Cardiovascular Diseases (TRECARD)-REDINREN (ISCIII), Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Isabel Fuentes-Calvo
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (C.C.); (I.F.-C.); (S.M.S.-M.); (A.D.); (O.A.H.-T.)
- Translational Research on Renal and Cardiovascular Diseases (TRECARD)-REDINREN (ISCIII), Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Sandra M. Sancho-Martinez
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (C.C.); (I.F.-C.); (S.M.S.-M.); (A.D.); (O.A.H.-T.)
- Translational Research on Renal and Cardiovascular Diseases (TRECARD)-REDINREN (ISCIII), Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Floris A. Valentijn
- Department of Pathology, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands; (F.A.V.); (T.Q.N.); (R.G.)
| | - Annette Düwel
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (C.C.); (I.F.-C.); (S.M.S.-M.); (A.D.); (O.A.H.-T.)
- Translational Research on Renal and Cardiovascular Diseases (TRECARD)-REDINREN (ISCIII), Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Omar A. Hidalgo-Thomas
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (C.C.); (I.F.-C.); (S.M.S.-M.); (A.D.); (O.A.H.-T.)
- Translational Research on Renal and Cardiovascular Diseases (TRECARD)-REDINREN (ISCIII), Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Consuelo Agüeros-Blanco
- Servicio de Nefrología, Hospital Universitario Marqués de Valdecilla, Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain; (C.A.-B.); (A.B.-H.); (M.A.R.-B.); (C.G.-A.); (M.A.)
| | - Adalberto Benito-Hernández
- Servicio de Nefrología, Hospital Universitario Marqués de Valdecilla, Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain; (C.A.-B.); (A.B.-H.); (M.A.R.-B.); (C.G.-A.); (M.A.)
| | - María A. Ramos-Barron
- Servicio de Nefrología, Hospital Universitario Marqués de Valdecilla, Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain; (C.A.-B.); (A.B.-H.); (M.A.R.-B.); (C.G.-A.); (M.A.)
| | - Carlos Gómez-Alamillo
- Servicio de Nefrología, Hospital Universitario Marqués de Valdecilla, Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain; (C.A.-B.); (A.B.-H.); (M.A.R.-B.); (C.G.-A.); (M.A.)
| | - Manuel Arias
- Servicio de Nefrología, Hospital Universitario Marqués de Valdecilla, Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain; (C.A.-B.); (A.B.-H.); (M.A.R.-B.); (C.G.-A.); (M.A.)
| | - Tri Q. Nguyen
- Department of Pathology, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands; (F.A.V.); (T.Q.N.); (R.G.)
| | - Roel Goldschmeding
- Department of Pathology, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands; (F.A.V.); (T.Q.N.); (R.G.)
| | - Carlos Martínez-Salgado
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (C.C.); (I.F.-C.); (S.M.S.-M.); (A.D.); (O.A.H.-T.)
- Translational Research on Renal and Cardiovascular Diseases (TRECARD)-REDINREN (ISCIII), Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Francisco J. López-Hernández
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (C.C.); (I.F.-C.); (S.M.S.-M.); (A.D.); (O.A.H.-T.)
- Translational Research on Renal and Cardiovascular Diseases (TRECARD)-REDINREN (ISCIII), Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
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Mizokami T, Shimada M, Suzuki K. Macrophage depletion attenuates acute renal damage after exhaustive exercise in mice. Int J Sports Med 2022; 43:964-970. [PMID: 35426091 PMCID: PMC9546585 DOI: 10.1055/a-1827-3261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Exhaustive exercise is known to induce acute renal damage. However, the precise
mechanisms remain unclear. We investigated the effects of macrophage depletion
on exhaustive exercise-induced acute renal damage. Male
C57BL/6 J mice were divided into four groups: sedentary with
control liposome (n=8), sedentary with clodronate liposome
(n=8), exhaustive exercise with control liposome (n=8), and
exhaustive exercise with clodronate liposome (n=8). Mice were treated
with clodronate liposomes or control liposomes intraperitoneally for
48 h before undergoing exhaustive exercise. Renal function and renal
histology were tested at 24 h. The expression levels of kidney injury
molecule (KIM)-1 and inflammatory cytokines in kidney tissues were measured by
quantitative RT-PCR, and KIM-1 concentration was semi-quantified by
immunostaining. As a result, exhaustive exercise increased macrophage
infiltration into the kidney. However, clodronate reduced it. Although
exhaustive exercise resulted in an increase in KIM-1 mRNA expression levels and
concentration, injection of clodronate liposome reduced it. In addition, TUNEL
positive apoptotic cells were increased after exercise, but significantly
reduced by clodronate. Clodronate liposome treatment also decreased the mRNA
expression levels of inflammatory cytokines (TNF-α, IL-1β, and
IL-6) in the kidney after exhaustive exercise. These results suggest that
macrophages play a critical role in increasing renal damage by regulating
inflammation.
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Affiliation(s)
- Tsubasa Mizokami
- Graduate School of Sport Sciences, Waseda University, Tokorozawa, Japan
| | - Michiko Shimada
- Department of Cardiology and Nephrology,, Hirosaki University School of Medicine Graduate School of Medicine, Hirosaki 036-8562, Japan
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Early Effects of Extracellular Vesicles Secreted by Adipose Tissue Mesenchymal Cells in Renal Ischemia Followed by Reperfusion: Mechanisms Rely on a Decrease in Mitochondrial Anion Superoxide Production. Int J Mol Sci 2022; 23:ijms23062906. [PMID: 35328327 PMCID: PMC8955255 DOI: 10.3390/ijms23062906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 12/10/2022] Open
Abstract
Acute kidney injury (AKI) caused by ischemia followed by reperfusion (I/R) is characterized by intense anion superoxide (O2•−) production and oxidative damage. We investigated whether extracellular vesicles secreted by adipose tissue mesenchymal cells (EVs) administered during reperfusion can suppress the exacerbated mitochondrial O2•− formation after I/R. We used Wistar rats subjected to bilateral renal arterial clamping (30 min) followed by 24 h of reperfusion. The animals received EVs (I/R + EVs group) or saline (I/R group) in the kidney subcapsular space. The third group consisted of false-operated rats (SHAM). Mitochondria were isolated from proximal tubule cells and used immediately. Amplex Red™ was used to measure mitochondrial O2•− formation and MitoTracker™ Orange to evaluate inner mitochondrial membrane potential (Δψ). In vitro studies were carried out on human renal proximal tubular cells (HK-2) co-cultured or not with EVs under hypoxic conditions. Administration of EVs restored O2•− formation to SHAM levels in all mitochondrial functional conditions. The gene expression of catalase and superoxide dismutase-1 remained unmodified; transcription of heme oxygenase-1 (HO-1) was upregulated. The co-cultures of HK-2 cells with EVs revealed an intense decrease in apoptosis. We conclude that the mechanisms by which EVs favor long-term recovery of renal structures and functions after I/R rely on a decrease of mitochondrial O2•− formation with the aid of the upregulated antioxidant HO-1/Nuclear factor erythroid 2-related factor 2 system, thus opening new vistas for the treatment of AKI.
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41
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Chen W, Chen S, Zhao L, Zhang M, Geng H, Dong C, Li R. Effects of real-ambient PM 2.5 exposure plus lipopolysaccharide on multiple organ damage in mice. Hum Exp Toxicol 2022; 41:9603271211061505. [PMID: 35098763 DOI: 10.1177/09603271211061505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: The toxicological effects of fine particulate matter (PM2.5) on the cardiopulmonary and nervous systems have been studied widely, whereas the study of PM2.5 on systemic toxicity is not in-depth enough. Lipopolysaccharide (LPS) can cause multiple organ damage. The combined effects of co-exposure of PM2.5 plus LPS on the stomach, spleen, intestine, and kidney are still unclear. Purpose: This study was aimed to explore the toxicological effects of co-exposure of PM2.5 and LPS on the different organs of mice. Research Design and Study Sample Using a real-ambient PM2.5 exposure system and an intraperitoneal LPS injection mouse model, we investigated multiple organ damage effects on male BALB/c mice after co-exposure of PM2.5 plus LPS for 23 weeks in Linfen, a city with a high PM2.5 concentration in China. Data Collection: Eosin-hematoxylin staining, ELISA and the biochemical assay analysed the toxicological effects. Results: The pathological tissue injury on the four organs above appeared in mice co-exposed to PM2.5 plus LPS, accompanied by the body weight and stomach organ coefficient abnormality, and significant elevation of pro-inflammatory cytokines levels, oxidative stress in the spleen and kidney, and levels of kidney injury molecule (KIM-1) increase in the kidney. There were tissue differences in the pathological damage and toxicological effects on mice after co-exposure, in which the spleen and kidney were more sensitive to pollutants. In the PM2.5 + LPS group, the superoxide dismutase inhibition and catalase (CAT) activity promotion in the kidney or spleen of mice were significant relative to the PM2.5 group; the CAT and interleukin-6 (IL-6) levels in the spleen were raised considerably compared with the LPS group. Conclusions: These findings suggested the severity and sensitivity of multiple organ injuries in mice in response to PM2.5 plus LPS.
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Affiliation(s)
- Wenqi Chen
- Institute of Environmental Science, 12441Shanxi University, Taiyuan, China
| | - Shanshan Chen
- Institute of Environmental Science, 12441Shanxi University, Taiyuan, China
| | - Lifang Zhao
- Institute of Environmental Science, 12441Shanxi University, Taiyuan, China
| | - Mei Zhang
- Institute of Environmental Science, 12441Shanxi University, Taiyuan, China
| | - Hong Geng
- Institute of Environmental Science, 12441Shanxi University, Taiyuan, China
| | - Chuan Dong
- Institute of Environmental Science, 12441Shanxi University, Taiyuan, China
| | - Ruijin Li
- Institute of Environmental Science, 12441Shanxi University, Taiyuan, China
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Schmidt IM, Srivastava A, Sabbisetti V, McMahon GM, He J, Chen J, Kusek JW, Taliercio J, Ricardo AC, Hsu CY, Kimmel PL, Liu KD, Mifflin TE, Nelson RG, Vasan RS, Xie D, Zhang X, Palsson R, Stillman IE, Rennke HG, Feldman HI, Bonventre JV, Waikar SS. Plasma Kidney Injury Molecule 1 in CKD: Findings From the Boston Kidney Biopsy Cohort and CRIC Studies. Am J Kidney Dis 2022; 79:231-243.e1. [PMID: 34175376 PMCID: PMC8709877 DOI: 10.1053/j.ajkd.2021.05.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 05/03/2021] [Indexed: 01/27/2023]
Abstract
RATIONALE & OBJECTIVE Plasma kidney injury molecule 1 (KIM-1) is a sensitive marker of proximal tubule injury, but its association with risks of adverse clinical outcomes across a spectrum of kidney diseases is unknown. STUDY DESIGN Prospective, observational cohort study. SETTING & PARTICIPANTS 524 individuals enrolled into the Boston Kidney Biopsy Cohort (BKBC) Study undergoing clinically indicated native kidney biopsy with biopsy specimens adjudicated for semiquantitative scores of histopathology by 2 kidney pathologists and 3,800 individuals with common forms of chronic kidney disease (CKD) enrolled into the Chronic Renal Insufficiency Cohort (CRIC) Study. EXPOSURE Histopathologic lesions and clinicopathologic diagnosis in cross-sectional analyses, baseline plasma KIM-1 levels in prospective analyses. OUTCOMES Baseline plasma KIM-1 levels in cross-sectional analyses, kidney failure (defined as initiation of kidney replacement therapy) and death in prospective analyses. ANALYTICAL APPROACH Multivariable-adjusted linear regression models tested associations of plasma KIM-1 levels with histopathologic lesions and clinicopathologic diagnoses. Cox proportional hazards models tested associations of plasma KIM-1 levels with future kidney failure and death. RESULTS In the BKBC Study, higher plasma KIM-1 levels were associated with more severe acute tubular injury, tubulointerstitial inflammation, and more severe mesangial expansion after multivariable adjustment. Participants with diabetic nephropathy, glomerulopathies, and tubulointerstitial disease had significantly higher plasma KIM-1 levels after multivariable adjustment. In the BKBC Study, CKD in 124 participants progressed to kidney failure and 85 participants died during a median follow-up time of 5 years. In the CRIC Study, CKD in 1,153 participants progressed to kidney failure and 1,356 participants died during a median follow-up time of 11.5 years. In both cohorts, each doubling of plasma KIM-1 level was associated with an increased risk of kidney failure after multivariable adjustment (hazard ratios of 1.19 [95% CI, 1.03-1.38] and 1.10 [95% CI, 1.06-1.15] for BKBC and CRIC, respectively). There was no statistically significant association of plasma KIM-1 levels with death in either cohort. LIMITATIONS Generalizability and unmeasured confounding. CONCLUSIONS Plasma KIM-1 is associated with underlying tubulointerstitial and mesangial lesions and progression to kidney failure in 2 cohort studies of individuals with kidney diseases.
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Affiliation(s)
- Insa M Schmidt
- Section of Nephrology, Department of Medicine, Boston University School of Medicine, Boston Medical Center Boston, Massachusetts; Renal Division, Brigham & Women's Hospital, Harvard Medical School Boston, Massachusetts
| | - Anand Srivastava
- Division of Nephrology and Hypertension, Center for Translational Metabolism and Health, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Venkata Sabbisetti
- Renal Division, Brigham & Women's Hospital, Harvard Medical School Boston, Massachusetts
| | - Gearoid M McMahon
- Renal Division, Brigham & Women's Hospital, Harvard Medical School Boston, Massachusetts
| | - Jiang He
- Department of Epidemiology and Medicine, Tulane University School of Public Health and Tropical Medicine, Tulane University School of Medicine, New Orleans, Louisana
| | - Jing Chen
- Department of Epidemiology and Medicine, Tulane University School of Public Health and Tropical Medicine, Tulane University School of Medicine, New Orleans, Louisana
| | - John W Kusek
- Department of Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jonathan Taliercio
- Department of Nephrology and Hypertension, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio
| | - Ana C Ricardo
- Division of Nephrology, Department of Medicine, University of Illinois, Chicago, Illinois
| | - Chi-Yuan Hsu
- Division of Nephrology, University of California San Francisco School of Medicine, San Francisco, California
| | - Paul L Kimmel
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland
| | - Kathleen D Liu
- Division of Nephrology, University of California San Francisco School of Medicine, San Francisco, California
| | - Theodore E Mifflin
- Department of Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Robert G Nelson
- Chronic Kidney Disease Section, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Phoenix, Arizona
| | - Ramachandran S Vasan
- Section of Preventive Medicine and Epidemiology, Boston University Boston, Massachusetts
| | - Dawei Xie
- Department of Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Xiaoming Zhang
- Department of Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ragnar Palsson
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Isaac E Stillman
- Department of Pathology, Beth Israel Deaconess Medical Center Boston, Massachusetts
| | - Helmut G Rennke
- Pathology Department, Brigham & Women's Hospital, Boston, Massachusetts
| | - Harold I Feldman
- Department of Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Joseph V Bonventre
- Renal Division, Brigham & Women's Hospital, Harvard Medical School Boston, Massachusetts
| | - Sushrut S Waikar
- Section of Nephrology, Department of Medicine, Boston University School of Medicine, Boston Medical Center Boston, Massachusetts; Renal Division, Brigham & Women's Hospital, Harvard Medical School Boston, Massachusetts.
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Sobolev VE, Sokolova MO, Jenkins RO, Goncharov NV. Nephrotoxic Effects of Paraoxon in Three Rat Models of Acute Intoxication. Int J Mol Sci 2021; 22:13625. [PMID: 34948422 PMCID: PMC8709234 DOI: 10.3390/ijms222413625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/10/2021] [Accepted: 12/15/2021] [Indexed: 12/24/2022] Open
Abstract
The delayed effects of acute intoxication by organophosphates (OPs) are poorly understood, and the various experimental animal models often do not take into account species characteristics. The principal biochemical feature of rodents is the presence of carboxylesterase in blood plasma, which is a target for OPs and can greatly distort their specific effects. The present study was designed to investigate the nephrotoxic effects of paraoxon (O,O-diethyl O-(4-nitrophenyl) phosphate, POX) using three models of acute poisoning in outbred Wistar rats. In the first model (M1, POX2x group), POX was administered twice at doses 110 µg/kg and 130 µg/kg subcutaneously, with an interval of 1 h. In the second model (M2, CBPOX group), 1 h prior to POX poisoning at a dose of 130 µg/kg subcutaneously, carboxylesterase activity was pre-inhibited by administration of specific inhibitor cresylbenzodioxaphosphorin oxide (CBDP, 3.3 mg/kg intraperitoneally). In the third model (M3), POX was administered subcutaneously just once at doses of LD16 (241 µg/kg), LD50 (250 µg/kg), and LD84 (259 µg/kg). Animal observation and sampling were performed 1, 3, and 7 days after the exposure. Endogenous creatinine clearance (ECC) decreased in 24 h in the POX2x group (p = 0.011). Glucosuria was observed in rats 24 h after exposure to POX in both M1 and M2 models. After 3 days, an increase in urinary excretion of chondroitin sulfate (CS, p = 0.024) and calbindin (p = 0.006) was observed in rats of the CBPOX group. Morphometric analysis revealed a number of differences most significant for rats in the CBPOX group. Furthermore, there was an increase in the area of the renal corpuscles (p = 0.0006), an increase in the diameter of the lumen of the proximal convoluted tubules (PCT, p = 0.0006), and narrowing of the diameter of the distal tubules (p = 0.001). After 7 days, the diameter of the PCT lumen was still increased in the nephrons of the CBPOX group (p = 0.0009). In the M3 model, histopathological and ultrastructural changes in the kidneys were revealed after the exposure to POX at doses of LD50 and LD84. Over a period from 24 h to 3 days, a significant (p = 0.018) expansion of Bowman's capsule was observed in the kidneys of rats of both the LD50 and LD84 groups. In the epithelium of the proximal tubules, stretching of the basal labyrinth, pycnotic nuclei, and desquamation of microvilli on the apical surface were revealed. In the epithelium of the distal tubules, partial swelling and destruction of mitochondria and pycnotic nuclei was observed, and nuclei were displaced towards the apical surface of cells. After 7 days of the exposure to POX, an increase in the thickness of the glomerular basement membrane (GBM) was observed in the LD50 and LD84 groups (p = 0.019 and 0.026, respectively). Moreover, signs of damage to tubular epithelial cells persisted with blockage of the tubule lumen by cellular detritus and local destruction of the surface of apical cells. Comparison of results from the three models demonstrates that the nephrotoxic effects of POX, evaluated at 1 and 3 days, appear regardless of prior inhibition of carboxylesterase activity.
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Affiliation(s)
- Vladislav E. Sobolev
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, Thorez 44, 194223 St. Petersburg, Russia; (V.E.S.); (M.O.S.)
| | - Margarita O. Sokolova
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, Thorez 44, 194223 St. Petersburg, Russia; (V.E.S.); (M.O.S.)
| | - Richard O. Jenkins
- Leicester School of Allied Health Sciences, De Montfort University, The Gateway, Leicester LE1 9BH, UK;
| | - Nikolay V. Goncharov
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, Thorez 44, 194223 St. Petersburg, Russia; (V.E.S.); (M.O.S.)
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Kim BW, Kim HJ, Kim SH, Baik HJ, Kang MS, Kim DH, Markowitz SD, Kang SW, Bae KB. 15-Hydroxyprostaglandin dehydrogenase inhibitor prevents contrast-induced acute kidney injury. Ren Fail 2021; 43:168-179. [PMID: 33459127 PMCID: PMC7832987 DOI: 10.1080/0886022x.2020.1870139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 12/21/2020] [Accepted: 12/21/2020] [Indexed: 02/08/2023] Open
Abstract
The two primary mechanisms by which iodinated contrast media (CM) causes contrast-induced acute kidney injury (CIAKI) are the hemodynamic effect causing intrarenal vasoconstriction and the tubular toxic effect causing acute tubular necrosis. Inhibition of 15-hydroxyprostaglandin dehydrogenase (15-PGDH), which degrades prostaglandin E2 (PGE2), promotes tissue repair and regeneration in many organs. PGE2 causes intrarenal arterial vasodilation. In this study, we investigated whether a 15-PGDH inhibitor can act as a candidate for blocking these two major mechanisms of CIAKI. We established a CIAKI mouse model by injecting a 10 gram of iodine per body weight (gI/kg) dose of iodixanol into each mouse tail vein. A 15-PGDH inhibitor (SW033291), PGE1, or PGE2 were administered to compare the renal functional parameters, histologic injury, vasoconstriction, and renal blood flow changes. In addition, human renal proximal tubular epithelial cells were cultured in a CM-treated medium. SW033291, PGE1, or PGE2 were added to compare any changes in cell viability and apoptosis rate. CIAKI mice that received SW033291 had lower serum levels of creatinine, neutrophil gelatinase-associated lipocalin, and kidney injury molecule 1 (p < 0.001); lower histologic injury score and TUNEL positive rates (p < 0.001); and higher medullary arteriolar area (p < 0.05) and renal blood flow (p < 0.001) than CM + vehicle group. In cell culture experiments, Adding SW033291 increased the viability rate (p < 0.05) and decreased the apoptosis rate of the tubular epithelial cells (p < 0.001). This 15-PGDH inhibitor blocks the two primary mechanisms of CIAKI, intrarenal vasoconstriction and tubular cell toxicity, and thus has the potential to be a novel prophylaxis for CIAKI. Abbreviations: 15-PGDH: 15-hydroxyprostaglandin dehydrogenase; AMP: adenosine monophosphate; CIAKI: contrast-induced acute kidney injury; CM: contrast media; EP: prostaglandin E2 receptor; hRPTECs: human-derived renal proximal tubule epithelial cells; KIM-1: kidney injury molecule-1; MTT: 3-(4,5-Dimethyl thiazol-2-yl)-2,5-diphenyl tetrazolium bromide; NGAL: neutrophil gelatinase-associated lipocalin; PBS: phosphate-buffered saline; PGE1: prostaglandin E1; PGE2: prostaglandin E2; RBF: renal blood flow; TUNEL: terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling; α-SMA: α-Smooth muscle actin.
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Affiliation(s)
- Byeong Woo Kim
- Department of Nephrology, Haeundae Bumin Hospital, Busan, Republic of Korea
| | - Hye Jung Kim
- Department of Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
| | - Sun-Hee Kim
- Department of Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
- Paik Institute for Clinical Research, Inje University College of Medicine, Busan, Republic of Korea
| | - Hyung Joo Baik
- Department of Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
| | - Mi Seon Kang
- Department of Pathology, Inje University College of Medicine, Busan, Republic of Korea
| | - Dong-Hyun Kim
- Department of Pharmacology, Inje University College of Medicine, Busan, Republic of Korea
| | - Sanford D. Markowitz
- Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Seidman Cancer Center, University Hospitals, Cleveland, OH, USA
| | - Sun Woo Kang
- Department of Nephrology, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
| | - Ki Beom Bae
- Department of Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
- Paik Institute for Clinical Research, Inje University College of Medicine, Busan, Republic of Korea
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Białek Ł, Niemczyk M, Czerwińska K, Nowak M, Sadowska A, Borkowski T, Radziszewski P, Dobruch J, Kryst P, Poletajew S. Human kidney injury molecule-1 as a urine biomarker differentiating urothelial and renal cell carcinoma. Cent European J Urol 2021; 74:295-299. [PMID: 34729216 PMCID: PMC8552939 DOI: 10.5173/ceju.2021.0080.2.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/10/2021] [Accepted: 05/27/2021] [Indexed: 11/22/2022] Open
Abstract
Introduction Urine concentration of human kidney injury molecule-1 (KIM-1) is suggested to be increased in patients with renal cell carcinoma (RCC). However, it has never been tested in patients with urothelial tumors, while preoperative differentiation between RCC and upper tract urothelial carcinoma (UTUC) plays an essential role in therapeutic decisions. The aim of the study was to evaluate the role of urinary KIM-1 expression in preoperative differentiation between RCC and urothelial carcinoma (UC). Material and methods Sixty-four participants were enrolled in the study, including 30 patients with RCC and 27 with UC (16 with UTUC and 11 with bladder tumor). Preoperative urinary KIM-1 levels were measured using a commercially available ELISA kit and normalized to urinary creatinine levels. Results The median concentration of urinary KIM-1 normalized to urinary creatinine was lower in patients with RCC compared to UC (1.35 vs 1.86 ng/mg creatinine, p = 0.04). The comparison between RCC and UTUC shows even more significant difference (1.33 vs 2.23 ng/mg creatinine, p = 0.02). Urinary KIM-1 concentration did not correlate with tumor stage nor grade in any of the groups. ROC analysis to identify UC revealed AUC of 0.657 with sensitivity 33.3% and specificity 96.7% at the cut-off value of 3.226 ng/mg creatinine. Among patients with eGFR ≥60 mL/min/1.73 m², ROC analysis to detect UC achieved AUC of 0.727 with sensitivity 69.5% and specificity 70.2%. Conclusions Urine KIM-1 can potentially differentiate UC from RCC. However, a wide range of observed results and limited sensitivity and specificity requires caution in making clinical decisions before confirmatory studies.
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Affiliation(s)
- Łukasz Białek
- I Department of Urology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Michał Niemczyk
- Department of General, Oncological and Functional Urology, Medical University of Warsaw, Warsaw, Poland
| | - Katarzyna Czerwińska
- Department of Transplantation Medicine, Nephrology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Mateusz Nowak
- Department of Urology, St. Lucas Hospital, Tarnów, Poland
| | - Anna Sadowska
- Department of Transplantation Medicine, Nephrology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Tomasz Borkowski
- Department of General, Oncological and Functional Urology, Medical University of Warsaw, Warsaw, Poland
| | - Piotr Radziszewski
- Department of General, Oncological and Functional Urology, Medical University of Warsaw, Warsaw, Poland
| | - Jakub Dobruch
- I Department of Urology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Piotr Kryst
- Second Department of Urology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Sławomir Poletajew
- Second Department of Urology, Centre of Postgraduate Medical Education, Warsaw, Poland
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Geraniol Averts Methotrexate-Induced Acute Kidney Injury via Keap1/Nrf2/HO-1 and MAPK/NF-κB Pathways. Curr Issues Mol Biol 2021; 43:1741-1755. [PMID: 34889889 PMCID: PMC8929074 DOI: 10.3390/cimb43030123] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 01/05/2023] Open
Abstract
Objectives: Geraniol, a natural monoterpene, is an essential oil component of many plants. Methotrexate is an anti-metabolite drug, used for cancer and autoimmune conditions; however, clinical uses of methotrexate are limited by its concomitant renal injury. This study investigated the efficacy of geraniol to prevent methotrexate-induced acute kidney injury and via scrutinizing the Keap1/Nrf2/HO-1, P38MAPK/NF-κB and Bax/Bcl2/caspase-3 and -9 pathways. Methods: Male Wister rats were allocated into five groups: control, geraniol (orally), methotrexate (IP), methotrexate and geraniol (100 and 200 mg/kg). Results: Geraniol effectively reduced the serum levels of creatinine, urea and Kim-1 with an increase in the serum level of albumin when compared to the methotrexate-treated group. Geraniol reduced Keap1, escalated Nrf2 and HO-1, enhanced the antioxidant parameters GSH, SOD, CAT and GSHPx and reduced MDA and NO. Geraniol decreased renal P38 MAPK and NF-κB and ameliorated the inflammatory mediators TNF-α, IL-1β, IL-6 and IL-10. Geraniol negatively regulated the apoptotic mediators Bax and caspase-3 and -9 and increased Bcl2. All the biochemical findings were supported by the alleviation of histopathological changes in kidney tissues. Conclusion: The current findings support that co-administration of geraniol with methotrexate may attenuate methotrexate-induced acute kidney injury.
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Ni W, Zhang Y, Yin Z. The protective mechanism of Klotho gene-modified bone marrow mesenchymal stem cells on acute kidney injury induced by rhabdomyolysis. Regen Ther 2021; 18:255-267. [PMID: 34466631 PMCID: PMC8367782 DOI: 10.1016/j.reth.2021.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/21/2021] [Accepted: 07/13/2021] [Indexed: 01/09/2023] Open
Abstract
Background Studies have shown that the Klotho gene has tremendous potential for future therapeutic purposes in both acute and chronic kidney diseases (CKD). This study aimed to investigate the possible protective mechanisms of the Klotho gene against acute kidney injury (AKI) induced by rhabdomyolysis (RM). Methods In this study, bone marrow mesenchymal stem cells (BMSCs) were transfected with recombinant adenoviruses expressing the Klotho gene (BMSCs-Klotho) and by those expressing empty vector (BMSCs-EV). After successful transfection, we tested the proliferation, secretion and migration abilities of the BMSCs-Klotho compared with those of the BMSCs-EV and BMSCs. Then, 30 male C57BL/6 mice were examined, with 6 mice randomly assigned to the control group (PBS injected into the tail vein, CON) or one of the four treatment groups treated with either BMSCs-Klotho (AKI+BMSCs-Klotho), BMSCs-EV (AKI+BMSCs-EV), BMSCs (AKI+BMSCs) or PBS (AKI+PBS) after induction of RM. Seventy-two h after treatment, serum creatinine (SCr) and blood urea nitrogen (BUN) levels were obtained to assess renal function, and renal tissue was obtained to measure kidney tissue damage. Additionally, kidney protective mechanism-related indexes, such as EPO, IGF-1, KIM-1 and HIF-1, were analysed using Western blot analysis and immunohistochemistry. Results The results obtained showed that the proliferation, secretory and migration abilities of the BMSCs were significantly increased after transfection with the Klotho gene. Treatment with BMSCs-Klotho, BMSCs-EV or BMSCs improved renal function compared to treatment with PBS. However, the improvement observed in renal function in the BMSCs-Klotho group was better than that of the other groups. Histological analysis demonstrated that tissue damage was significantly decreased in the mice in the AKI+BMSCs-Klotho, AKI+BMSCs-EV or AKI+BMSCs groups compared to that in the mice in the AKI+PBS group. However, the best recovery was observed in the mice treated with BMSCs-Klotho concomitantly. Furthermore, the expression of protective factors erythropoietin (EPO) and insulin-like growth factor 1 (IGF-1) increased obviously, and the injury biomarkers kidney injury molecule 1 (KIM-1) and hypoxia inducible factor 1 (HIF-1) decreased notably in the group of BMSCs-Klotho, BMSCs-EV and BMSCs. Additionally, the levels of the aforementioned protein indicators in the AKI+BMSCs-Klotho group were not different from those in the CON group. Conclusion Klotho overexpression exerted positive effects on BMSCs and markedly promoted recovery from RM-induced AKI. These findings suggest that the overexpression of the Klotho gene might be a good candidate for further therapy for AKI in clinical trials.
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Affiliation(s)
- WenHui Ni
- Department of Renal Medicine, First People's Hospital of Zhangjiagang City, China
| | - Ying Zhang
- Department of Renal Medicine, Xuzhou Medical University Affiliated Hospital, China
| | - Zhongcheng Yin
- Department of Renal Medicine, Xuzhou Medical University Affiliated Hospital, China
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48
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Fang H, Ghosh S, Sims LC, Stone KP, Hill CM, Spires D, Ilatovskaya DV, Morrison CD, Gettys TW, Stadler K. FGF21 prevents low-protein diet-induced renal inflammation in aged mice. Am J Physiol Renal Physiol 2021; 321:F356-F368. [PMID: 34151592 PMCID: PMC8530754 DOI: 10.1152/ajprenal.00107.2021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/14/2021] [Accepted: 06/14/2021] [Indexed: 02/07/2023] Open
Abstract
Low-protein (LP) diets extend lifespan through a comprehensive improvement in metabolic health across multiple tissues and organs. Many of these metabolic responses to protein restriction are secondary to transcriptional activation and release of FGF21 from the liver. However, the effects of an LP diet on the kidney in the context of aging has not been examined. Therefore, the goal of the current study was to investigate the impact of chronic consumption of an LP diet on the kidney in aging mice lacking FGF21. Wild-type (WT; C57BL/6J) and FGF21 knockout (KO) mice were fed a normal protein diet (20% casein) or an LP (5% casein) diet ad libitum from 3 to 22 mo of age. The LP diet led to a decrease in kidney weight and urinary albumin-to-creatinine ratio in both WT and FGF21 KO mice. Although the LP diet produced only mild fibrosis and infiltration of leukocytes in WT kidneys, the effects were significantly exacerbated by the absence of FGF21. Accordingly, transcriptomic analysis showed that inflammation-related pathways were significantly enriched and upregulated in response to LP diet in FGF21 KO mice but not WT mice. Collectively, these data demonstrate that the LP diet negatively affected the kidney during aging, but in the absence of FGF21, the LP diet-induced renal damage and inflammation were significantly worse, indicating a protective role of FGF21 in the kidney.NEW & NOTEWORTHY Long-term protein restriction is not advantageous for an otherwise healthy, aging kidney, as it facilitates the development of renal tubular injury and inflammatory cell infiltration. We provide evidence using FGF21 knockout animals that FGF21 is essential to counteract the renal injury and inflammation during aging on a low-protein diet.
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Affiliation(s)
- Han Fang
- Laboratory of Nutrient Sensing and Adipocyte Signaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana
| | - Sujoy Ghosh
- Laboratory of Computational Biology, Pennington Biomedical Research Center, Baton Rouge, Louisiana
- Program in Cardiovascular and Metabolic Disorders and Centre for Computational Biology, Duke-NUS Graduate Medical School, Singapore
| | - Landon C Sims
- Laboratory of Nutrient Sensing and Adipocyte Signaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana
| | - Kirsten P Stone
- Laboratory of Nutrient Sensing and Adipocyte Signaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana
| | - Cristal M Hill
- Laboratory of Neurosignaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana
| | - Denisha Spires
- Division of Nephrology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Daria V Ilatovskaya
- Division of Nephrology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Christopher D Morrison
- Laboratory of Neurosignaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana
| | - Thomas W Gettys
- Laboratory of Nutrient Sensing and Adipocyte Signaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana
| | - Krisztian Stadler
- Oxidative Stress and Disease Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana
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Geng J, Qiu Y, Qin Z, Su B. The value of kidney injury molecule 1 in predicting acute kidney injury in adult patients: a systematic review and Bayesian meta-analysis. J Transl Med 2021; 19:105. [PMID: 33712052 PMCID: PMC7953563 DOI: 10.1186/s12967-021-02776-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 03/05/2021] [Indexed: 02/08/2023] Open
Abstract
Introduction The aim of the study was to systematically review relevant studies to evaluate the diagnostic value of urinary kidney injury molecule 1 (uKIM-1) for acute kidney injury (AKI) in adults. Method We searched PubMed and Embase for literature published up to November 1st, 2019 and used the Quality Assessment Tool for Diagnosis Accuracy Studies (QUADAS-2) to assess the quality. Then, we extracted useful information from each eligible study and pooled sensitivity, specificity, and area under the curve (AUC) values. Results A total of 14 studies with 3300 patients were included. The estimated sensitivity of urinary KIM-1 (uKIM-1) in the diagnosis of AKI was 0.74 (95% CrI 0.62–0.84), and the specificity was 0.84 (95% CrI, 0.76–0.90). The pooled diagnostic odds ratio (DOR) was 15.22 (95% CrI, 6.74–42.20), the RD was 0.55 (95% CrI 0.43–0.70), and the AUC of uKIM-1 in diagnosing AKI was 0.62 (95% CrI 0.41–0.76). The results of the subgroup analysis showed the influence of different factors. Conclusion Urinary KIM-1 is a good predictor for AKI in adult patients with relatively high sensitivity and specificity. However, further research and clinical trials are still needed to confirm whether and how uKIM-1 can be commonly used in clinical diagnosis.
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Affiliation(s)
- Jiwen Geng
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yuxuan Qiu
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zheng Qin
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Baihai Su
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, 610041, China.
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50
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Dias CS, Paz LN, Solcà MS, Portela RWD, Bittencourt MV, Pinna MH. Kidney Injury Molecule-1 in the detection of early kidney injury in dogs with leptospirosis. Comp Immunol Microbiol Infect Dis 2021; 76:101637. [PMID: 33706047 DOI: 10.1016/j.cimid.2021.101637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/23/2021] [Accepted: 02/24/2021] [Indexed: 11/26/2022]
Abstract
Renal damage, a common feature in canine leptospirosis, ranges from a subclinical affection to kidney dysfunction and death. Chances of recovery can be improved by early intervention. However, traditional biomarkers (serum urea and creatinine) have limited relevance for precocity. Kidney Injury Molecule-1 (KIM-1) is a transmembrane protein upregulated in early stages of tubular injury. This study evaluated the use of urinary KIM-1 to detect early renal injury in naturally occurring canine leptospirosis. This exploratory research included 30 dogs divided into two groups: (1) dogs with leptospirosis (n = 25) and (2) healthy dogs (n = 5). Leptospira sp. infection was diagnosed through urine PCR and/or direct bacteriologic culture and/or serology (single MAT titters ≥800). Additionally, stage of infection was further characterized in acute and subacute phases based on the onset of clinical symptoms from 3 to 7 days. Urinary KIM-1 (uKIM-1) concentrations were measured in both groups with a commercial canine ELISA kit. uKIM-1 levels were statistically different (P < 0.01) between the studied groups, especially in non-azotemic dogs (P = 0.0042). The biomarker showed 88 % sensibility to diagnosis of kidney injury at> 1.49 ng/mL cut-off. Urine KIM-1 was negatively correlated with urine specific gravity (USG) but accompanied histopathological evidence of renal degeneration, necrosis and regeneration processes, extending information on kidney health. Measurement of KIM-1 in the urine of canine patients was able to detect naturally occurring acute and subacute leptospirosis accompanied by tubular injury in early non-azotemic infections.
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Affiliation(s)
- C S Dias
- Bacterial Disease Laboratory, Federal University of Bahia, 500 Adhemar de Barros Av., Salvador, BA 40170-110, Brazil
| | - L N Paz
- Bacterial Disease Laboratory, Federal University of Bahia, 500 Adhemar de Barros Av., Salvador, BA 40170-110, Brazil
| | - M S Solcà
- Department of Preventive Veterinary Medicine and Animal Production of the School of Veterinary Medicine and Zootechny, Federal University of Bahia, 500 Adhemar de Barros Av., Salvador, BA 40170-110, Brazil
| | - R W D Portela
- Laboratory of Immunology and Molecular Biology, Health Science Institute, Federal University of Bahia, Reitor Miguel Calmon Av., Salvador, BA 40140-100, Brazil
| | - M V Bittencourt
- Bacterial Disease Laboratory, Federal University of Bahia, 500 Adhemar de Barros Av., Salvador, BA 40170-110, Brazil
| | - M H Pinna
- Bacterial Disease Laboratory, Federal University of Bahia, 500 Adhemar de Barros Av., Salvador, BA 40170-110, Brazil.
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