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Peres RAS, Silva-Aguiar RP, Teixeira DE, Peruchetti DB, Alves SAS, Leal ABC, Castro GF, Ribeiro NBS, Guimarães FV, Pinheiro AAS, Silva PMRE, Martins MA, Caruso-Neves C. Gold nanoparticles reduce tubule-interstitial injury and proteinuria in a murine model of subclinical acute kidney injury. Biochim Biophys Acta Gen Subj 2023; 1867:130314. [PMID: 36693453 DOI: 10.1016/j.bbagen.2023.130314] [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: 08/26/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/22/2023]
Abstract
Subclinical acute kidney injury (subAKI) is characterized by tubule-interstitial injury without significant changes in glomerular function. SubAKI is associated with the pathogenesis and progression of acute and chronic kidney diseases. Currently, therapeutic strategies to treat subAKI are limited. The use of gold nanoparticles (AuNPs) has shown promising benefits in different models of diseases. However, their possible effects on subAKI are still unknown. Here, we investigated the effects of AuNPs on a mouse model of subAKI. Animals with subAKI showed increased functional and histopathologic markers of tubular injury. There were no changes in glomerular function and structure. The animals with subAKI also presented an inflammatory profile demonstrated by activation of Th1 and Th17 cells in the renal cortex. This phenotype was associated with decreased megalin-mediated albumin endocytosis and expression of proximal tubular megalin. AuNP treatment prevented tubule-interstitial injury induced by subAKI. This effect was associated with a shift to an anti-inflammatory Th2 response. Furthermore, AuNP treatment preserved megalin-mediated albumin endocytosis in vivo and in vitro. AuNPs were not nephrotoxic in healthy mice. These results suggest that AuNPs have a protective effect in the tubule-interstitial injury observed in subAKI, highlighting a promising strategy as a future antiproteinuric treatment.
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Affiliation(s)
- Rodrigo A S Peres
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rodrigo P Silva-Aguiar
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Douglas E Teixeira
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diogo B Peruchetti
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Sarah A S Alves
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Anna Beatriz C Leal
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Guilherme F Castro
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Natalia B S Ribeiro
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Fernanda V Guimarães
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Ana Acacia S Pinheiro
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro, Brazil
| | - Patrícia M R E Silva
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro, Brazil
| | - Marco A Martins
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro, Brazil
| | - Celso Caruso-Neves
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro, Brazil; National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil.
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2
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Wang N, Lu Y, Zheng J, Liu X. Of mice and men: Laboratory murine models for recapitulating the immunosuppression of human sepsis. Front Immunol 2022; 13:956448. [PMID: 35990662 PMCID: PMC9388785 DOI: 10.3389/fimmu.2022.956448] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/12/2022] [Indexed: 11/13/2022] Open
Abstract
Prolonged immunosuppression is increasingly recognized as the major cause of late phase and long-term mortality in sepsis. Numerous murine models with different paradigms, such as lipopolysaccharide injection, bacterial inoculation, and barrier disruption, have been used to explore the pathogenesis of immunosuppression in sepsis or to test the efficacy of potential therapeutic agents. Nonetheless, the reproducibility and translational value of such models are often questioned, owing to a highly heterogeneric, complex, and dynamic nature of immunopathology in human sepsis, which cannot be consistently and stably recapitulated in mice. Despite of the inherent discrepancies that exist between mice and humans, we can increase the feasibility of murine models by minimizing inconsistency and increasing their clinical relevance. In this mini review, we summarize the current knowledge of murine models that are most commonly used to investigate sepsis-induced immunopathology, highlighting their strengths and limitations in mimicking the dysregulated immune response encountered in human sepsis. We also propose potential directions for refining murine sepsis models, such as reducing experimental inconsistencies, increasing the clinical relevance, and enhancing immunological similarities between mice and humans; such modifications may optimize the value of murine models in meeting research and translational demands when applied in studies of sepsis-induced immunosuppression.
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Affiliation(s)
- Ning Wang
- West China Biopharm Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Yongling Lu
- Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China
| | - Jiang Zheng
- Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China
- *Correspondence: Jiang Zheng, ; Xin Liu,
| | - Xin Liu
- Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China
- *Correspondence: Jiang Zheng, ; Xin Liu,
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Silva JBNF, Calcia TBB, Silva CP, Guilherme RF, Almeida-Souza F, Lemos FS, Calabrese KS, Caruso-Neves C, Neves JS, Benjamim CF. ATRvD1 Attenuates Renal Tubulointerstitial Injury Induced by Albumin Overload in Sepsis-Surviving Mice. Int J Mol Sci 2021; 22:ijms222111634. [PMID: 34769064 PMCID: PMC8583751 DOI: 10.3390/ijms222111634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 10/15/2021] [Accepted: 10/22/2021] [Indexed: 11/16/2022] Open
Abstract
Novel strategies for the prevention and treatment of sepsis-associated acute kidney injury and its long-term outcomes have been required and remain a challenge in critical care medicine. Therapeutic strategies using lipid mediators, such as aspirin-triggered resolvin D1 (ATRvD1), can contribute to the resolution of acute and chronic inflammation. In this study, we examined the potential effect of ATRvD1 on long-term kidney dysfunction after severe sepsis. Fifteen days after cecal ligation and puncture (CLP), sepsis-surviving BALB/c mice were subjected to a tubulointerstitial injury through intraperitoneal injections of bovine serum albumin (BSA) for 7 days, called the subclinical acute kidney injury (subAKI) animal model. ATRvD1 treatment was performed right before BSA injections. On day 22 after CLP, the urinary protein/creatinine ratio (UPC), histologic parameters, fibrosis, cellular infiltration, apoptosis, inflammatory markers levels, and mRNA expression were determined. ATRvD1 treatment mitigated tubulointerstitial injury by reducing proteinuria excretion, the UPC ratio, the glomerular cell number, and extracellular matrix deposition. Pro-fibrotic markers, such as transforming growth factor β (TGFβ), type 3 collagen, and metalloproteinase (MMP)-3 and -9 were reduced after ATRvD1 administration. Post-septic mice treated with ATRvD1 were protected from the recruitment of IBA1+ cells. The interleukin-1β (IL-1β) levels were increased in the subAKI animal model, being attenuated by ATRvD1. Tumor necrosis factor-α (TNF-α), IL-10, and IL-4 mRNA expression were increased in the kidney of BSA-challenged post-septic mice, and it was also reduced after ATRvD1. These results suggest that ATRvD1 protects the kidney against a second insult such as BSA-induced tubulointerstitial injury and fibrosis by suppressing inflammatory and pro-fibrotic mediators in renal dysfunction after sepsis.
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Affiliation(s)
- José Bruno N. F. Silva
- Institute of Microbiology Paulo de Góes (IMPG), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (J.B.N.F.S.); (R.F.G.)
| | - Thayanne B. B. Calcia
- Institute of Biophysics Carlos Chagas Filho (IBCCF), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (T.B.B.C.); (C.C.-N.)
| | - Cyntia P. Silva
- Institute of Biomedical Sciences (ICB), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (C.P.S.); (F.S.L.); (J.S.N.)
| | - Rafael F. Guilherme
- Institute of Microbiology Paulo de Góes (IMPG), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (J.B.N.F.S.); (R.F.G.)
| | - Fernando Almeida-Souza
- Laboratory of Immunomodulation and Protozoology, Oswaldo Cruz Institute (IOC), Fiocruz, Rio de Janeiro 21040-900, Brazil; (F.A.-S.); (K.S.C.)
- Postgraduate in Animal Science, State University of Maranhão, São Luís 65055-310, Brazil
| | - Felipe S. Lemos
- Institute of Biomedical Sciences (ICB), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (C.P.S.); (F.S.L.); (J.S.N.)
| | - Kátia S. Calabrese
- Laboratory of Immunomodulation and Protozoology, Oswaldo Cruz Institute (IOC), Fiocruz, Rio de Janeiro 21040-900, Brazil; (F.A.-S.); (K.S.C.)
| | - Celso Caruso-Neves
- Institute of Biophysics Carlos Chagas Filho (IBCCF), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (T.B.B.C.); (C.C.-N.)
| | - Josiane S. Neves
- Institute of Biomedical Sciences (ICB), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (C.P.S.); (F.S.L.); (J.S.N.)
| | - Claudia F. Benjamim
- Institute of Biophysics Carlos Chagas Filho (IBCCF), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, Brazil; (T.B.B.C.); (C.C.-N.)
- Correspondence: or ; Tel.: +55-21-3938-6709
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Silva KF, Peruchetti DB, Sirtoli GM, Takiya CM, Pinheiro AAS, Leal-Cardoso JH, Caruso-Neves C. High Doses of Essential Oil of Croton Zehntneri Induces Renal Tubular Damage. PLANTS 2021; 10:plants10071400. [PMID: 34371603 PMCID: PMC8309426 DOI: 10.3390/plants10071400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/10/2021] [Accepted: 06/21/2021] [Indexed: 11/16/2022]
Abstract
The essential oil of Croton zehntneri (EOCZ) and its major compounds are known to have several biological activities. However, some evidence shows potential toxic effects of high doses of EOCZ (>300 mg/kg) in amphibian and human kidneys. The aim of the present work was to investigate the effects on renal function of EOCZ at 300 mg/kg/day in healthy Swiss mice and a subclinical acute kidney injury (subAKI) animal model, which presents tubule-interstitial injury (TII). Four experimental groups were generated: (1) CONT group (control); (2) EOCZ, mice treated with EOCZ; (3) subAKI; (4) subAKI+EOCZ, subAKI treated simultaneously with EOCZ. EOCZ treatment induced TII measured by increases in (1) proteinuria; (2) cortical tubule-interstitial space; (3) macrophage infiltration; (4) collagen deposition. A decrease in tubular sodium reabsorption was also observed. These results were similar and nonadditive to those observed in the subAKI group. These data suggest that treatment with EOCZ at higher concentrations induces TII in mice, which could be mediated by protein overload in the proximal tubule.
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Affiliation(s)
- Katarine F. Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil; (K.F.S.); (D.B.P.); (G.M.S.); (C.M.T.); (A.A.S.P.)
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Ceará 60.740-000, Brazil;
| | - Diogo B. Peruchetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil; (K.F.S.); (D.B.P.); (G.M.S.); (C.M.T.); (A.A.S.P.)
| | - Gabriela M. Sirtoli
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil; (K.F.S.); (D.B.P.); (G.M.S.); (C.M.T.); (A.A.S.P.)
| | - Christina M. Takiya
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil; (K.F.S.); (D.B.P.); (G.M.S.); (C.M.T.); (A.A.S.P.)
| | - Ana Acacia S. Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil; (K.F.S.); (D.B.P.); (G.M.S.); (C.M.T.); (A.A.S.P.)
| | | | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil; (K.F.S.); (D.B.P.); (G.M.S.); (C.M.T.); (A.A.S.P.)
- Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro 21.045-900, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro 21.941-902, Brazil
- Correspondence: ; Tel.: +55-213-938-6582
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do Valle GT, Ricci ST, Silva AO, Tirapelli CR, Ceron CS. Ethanol consumption increases renal dysfunction and mortality in a mice model of sub-lethal sepsis. Can J Physiol Pharmacol 2021; 99:699-707. [PMID: 33290154 DOI: 10.1139/cjpp-2020-0564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Chronic ethanol consumption and sepsis cause oxidative stress and renal dysfunction. This study aimed to examine whether chronic ethanol consumption sensitizes the mouse kidney to sub-lethal cecal ligation and puncture (SL-CLP) sepsis, leading to impairment of renal function by tissue oxidative and inflammatory damage. Male C57BL/6J mice were treated for 9 weeks with ethanol (20%, v/v) before SL-CLP was induced. Systolic blood pressure (SBP), survival rate, creatinine plasma, oxidative stress, and inflammatory parameters, inducible nitric oxide synthase (iNOS), cytokines, and metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) levels were evaluated. Chronic ethanol consumption increased SBP, plasma creatinine, O2.-, H2O2, lipid peroxidation, catalase activity, Nox4, IL-6, and TNF-α levels, and MMP-9/TIMP-1 ratio. SL-CLP decreased SBP, increased creatinine, lipid peroxidation, IL-6, TNF-α, nitrate/nitrite (NOx), and iNOS levels, and MMP-2/TIMP-2 ratio, and decreased catalase activity. SL-CLP mice previously treated with ethanol showed a similar decrease in SBP but higher mortality and creatinine levels than SL-CLP alone. These responses were mediated by increased O2-, lipid peroxidation, IL-6, TNF-α, NOx, iNOS, MMP-2, and MMP-9 levels, and MMP-9/TIMP-1 and MMP-2/TIMP-2 ratios. Our findings demonstrated that previous oxidative stress and inflammatory damage caused by ethanol consumption sensitizes the kidney to SL-CLP injury, resulting in impaired kidney function and sepsis prognosis.
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Affiliation(s)
- Gabriel Tavares do Valle
- Escola de Enfermagem de Ribeirão Preto (EERP), Universidade de São Paulo -USP, São Paulo, Brasil
| | - Sthefany Teodoro Ricci
- Escola de Enfermagem de Ribeirão Preto (EERP), Universidade de São Paulo -USP, São Paulo, Brasil
| | - Alessandra Oliveira Silva
- Departamento de Alimentos e Medicamentos, Universidade Federal de Alfenas (UNIFAL-MG), Minas Gerais, Brasil
| | - Carlos Renato Tirapelli
- Escola de Enfermagem de Ribeirão Preto (EERP), Universidade de São Paulo -USP, São Paulo, Brasil
| | - Carla Speroni Ceron
- Departamento de Alimentos e Medicamentos, Universidade Federal de Alfenas (UNIFAL-MG), Minas Gerais, Brasil
- Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto (UFOP), Minas Gerais, Brasil
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A high salt diet induces tubular damage associated with a pro-inflammatory and pro-fibrotic response in a hypertension-independent manner. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165907. [DOI: 10.1016/j.bbadis.2020.165907] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 12/14/2022]
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Peruchetti DB, Silva-Filho JL, Silva-Aguiar RP, Teixeira DE, Takiya CM, Souza MC, Henriques MDG, Pinheiro AAS, Caruso-Neves C. IL-4 Receptor α Chain Protects the Kidney Against Tubule-Interstitial Injury Induced by Albumin Overload. Front Physiol 2020; 11:172. [PMID: 32174845 PMCID: PMC7056741 DOI: 10.3389/fphys.2020.00172] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 02/13/2020] [Indexed: 12/11/2022] Open
Abstract
Increasing evidence has highlighted the role of tubule-interstitial injury (TII) as a vital step in the pathogenesis of acute kidney injury (AKI). Incomplete repair of TII during AKI could lead to the development of chronic kidney disease. Changes in albumin endocytosis in proximal tubule epithelial cells (PTECs) is linked to the development of TII. In this context, interleukin (IL)-4 has been shown to be an important factor in modulating recovery of TII. We have studied the possible role of IL-4 in TII induced by albumin overload. A subclinical AKI model characterized by albumin overload in the proximal tubule was used, without changing glomerular function. Four groups were generated: (1) CONT, wild-type mice treated with saline; (2) BSA, wild-type mice treated with 10 g/kg/day bovine serum albumin (BSA); (3) KO, IL4Rα–/– mice treated with saline; and (4) KO + BSA, IL4Rα–/– mice treated with BSA. As reported previously, mice in the BSA group developed TII without changes in glomerular function. The following parameters were increased in the KO + BSA group compared with the BSA group: (1) tubular injury score; (2) urinary γ-glutamyltransferase; (3) CD4+ T cells, dendritic cells, macrophages, and neutrophils are associated with increases in renal IL-6, IL-17, and transforming growth factor β. A decrease in M2-subtype macrophages associated with a decrease in collagen deposition was observed. Using LLC-PK1 cells, a model of PTECs, we observed that (1) these cells express IL-4 receptor α chain associated with activation of the JAK3/STAT6 pathway; (2) IL-4 alone did not change albumin endocytosis but did reverse the inhibitory effect of higher albumin concentration. This effect was abolished by JAK3 inhibitor. A further increase in urinary protein and creatinine levels was observed in the KO + BSA group compared with the BSA group, but not compared with the CONT group. These observations indicate that IL-4 has a protective role in the development of TII induced by albumin overload that is correlated with modulation of the pro-inflammatory response. We propose that megalin-mediated albumin endocytosis in PTECs could work as a sensor, transducer, and target during the genesis of TII.
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Affiliation(s)
- Diogo B Peruchetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - João Luiz Silva-Filho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rodrigo P Silva-Aguiar
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Douglas E Teixeira
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Christina M Takiya
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana C Souza
- Instituto de Tecnologia em Fármacos, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | | | - Ana Acacia S Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Rio de Janeiro Innovation Network in Nanosystems for Health - NanoSAUìDE/FAPERJ, Rio de Janeiro, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Rio de Janeiro Innovation Network in Nanosystems for Health - NanoSAUìDE/FAPERJ, Rio de Janeiro, Brazil.,Instituto Nacional de Ciência e Tecnologia em Medicina Regenerativa, INCT-Regenera, Conselho Nacional de Desenvolvimento Científico e Tecnológico/MCTIC, Rio de Janeiro, Brazil
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8
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Alves BEO, de Alencar AKN, Gamba LER, Trachez MM, da Silva JS, Araújo JSC, Montagnoli TL, Mendes LVP, Pimentel-Coelho PM, do M N Cunha V, Mendez-Otero R, Oliveira GMM, Lima LM, Barreiro EJ, Sudo RT, Zapata-Sudo G. Reduction of cardiac and renal dysfunction by new inhibitor of DPP4 in diabetic rats. Pharmacol Rep 2019; 71:1190-1200. [PMID: 31669883 DOI: 10.1016/j.pharep.2019.07.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 07/04/2019] [Accepted: 07/19/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND Increased mortality due to type 2 diabetes mellitus (T2DM) has been associated with renal and/or cardiovascular dysfunction. Dipeptidyl dipeptidase-4 inhibitors (iDPP-4s) may exert cardioprotective effects through their pleiotropic actions via glucagon-like peptide 1-dependent mechanisms. In this study, the pharmacological profile of a new iDPP-4 (LASSBio-2124) was investigated in rats with cardiac and renal dysfunction induced by T2DM. METHODS T2DM was induced in rats by 2 weeks of a high-fat diet followed by intravenous injection of streptozotocin. Metabolic disturbance and cardiac, vascular, and renal dysfunction were analyzed in the experimental groups. RESULTS Sitagliptin and LASSBio-2124 administration after T2DM induction reduced elevated glucose levels to 319.8 ± 13.2 and 279.7 ± 17.8 mg/dL, respectively (p < 0.05). LASSBio-2124 also lowered the cholesterol and triglyceride levels from 76.8 ± 8.0 to 42.7 ± 3.2 mg/dL and from 229.7 ± 25.4 to 100.7 ± 17.1 mg/dL, in diabetic rats. Sitagliptin and LASSBio-2124 reversed the reduction of the plasma insulin level. LASSBio-2124 recovered the increased urinary flow in diabetic animals and reduced 24-h proteinuria from 23.7 ± 1.5 to 13.3 ± 2.8 mg (p < 0.05). It also reduced systolic and diastolic left-ventricular dysfunction in hearts from diabetic rats. CONCLUSION The effects of LASSBio-2124 were superior to those of sitagliptin in the cardiovascular systems of T2DM rats. This new prototype showed promise for the avoidance of comorbidities in a T2DM experimental model, and thus may constitute an innovative therapeutic agent for the treatment of these conditions in the clinical field in future.
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Affiliation(s)
- Bryelle E O Alves
- Instituto do Coração Edson Saad, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Allan K N de Alencar
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luis E R Gamba
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Margarete M Trachez
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jaqueline S da Silva
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Josenildo S C Araújo
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Tadeu L Montagnoli
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiza V P Mendes
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Pedro M Pimentel-Coelho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Valéria do M N Cunha
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rosalia Mendez-Otero
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gláucia M M Oliveira
- Instituto do Coração Edson Saad, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lídia M Lima
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eliezer J Barreiro
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Roberto T Sudo
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gisele Zapata-Sudo
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
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9
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Peruchetti DB, Freitas AC, Pereira VC, Lopes JV, Takiya CM, Nascimento NR, Pinheiro AAS, Caruso-Neves C. PKB is a central molecule in the modulation of Na+-ATPase activity by albumin in renal proximal tubule cells. Arch Biochem Biophys 2019; 674:108115. [DOI: 10.1016/j.abb.2019.108115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/18/2019] [Accepted: 09/23/2019] [Indexed: 12/29/2022]
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10
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Teixeira DE, Peruchetti DB, Silva LS, Silva-Aguiar RP, Oquendo MB, Silva-Filho JL, Takiya CM, Leal-Cardoso JH, Pinheiro AAS, Caruso-Neves C. Lithium ameliorates tubule-interstitial injury through activation of the mTORC2/protein kinase B pathway. PLoS One 2019; 14:e0215871. [PMID: 31002704 PMCID: PMC6474631 DOI: 10.1371/journal.pone.0215871] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 04/09/2019] [Indexed: 12/11/2022] Open
Abstract
Tubule-interstitial injury (TII) is a critical step in the progression of renal disease. It has been proposed that changes in proximal tubule (PT) albumin endocytosis plays an important role in the development of TII. Some reports have shown protective effects of lithium on kidney injury animal models that was correlated to proteinuria. We tested the hypothesis that lithium treatment ameliorates the development of TII due to changes in albumin endocytosis. Two experimental models were used: (1) TII induced by albumin overload in an animal model; (2) LLC-PK1 cells, a PT cell line. Lithium treatment ameliorates TII induced by albumin overload measured by (1) proteinuria; (2) collagen deposition; (3) area of tubule-interstitial space, and (4) macrophage infiltration. Lithium treatment increased mTORC2 activity leading to the phosphorylation of protein kinase B (PKB) at Ser473 and its activation. This mechanism enhanced albumin endocytosis in PT cells, which decreased the proteinuria observed in TII induced by albumin overload. This effect did not involve changes in the expression of megalin, a PT albumin receptor. In addition, activation of this pathway decreased apoptosis in LLC-PK1 cells, a PT cell line, induced by higher albumin concentration, similar to that found in pathophysiologic conditions. Our results indicate that the protective role of lithium treatment on TII induced by albumin overload involves an increase in PT albumin endocytosis due to activation of the mTORC2/PKB pathway. These results open new possibilities in understanding the effects of lithium on the progression of renal disease.
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Affiliation(s)
- Douglas E. Teixeira
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Diogo B. Peruchetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Leandro S. Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Rodrigo P. Silva-Aguiar
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Morgana B. Oquendo
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brazil
| | - João Luiz Silva-Filho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Christina M. Takiya
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | | | - Ana Acacia S. Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Nacional de Ciência e Tecnologia em Medicina Regenerativa, INCT-Regenera, Conselho Nacional de Desenvolvimento Científico e Tecnológico/MCT, Rio de Janeiro, Brazil
- * E-mail:
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11
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Silva LS, Peruchetti DB, Silva-Aguiar RP, Abreu TP, Dal-Cheri BKA, Takiya CM, Souza MC, Henriques MG, Pinheiro AAS, Caruso-Neves C. The angiotensin II/AT1 receptor pathway mediates malaria-induced acute kidney injury. PLoS One 2018; 13:e0203836. [PMID: 30204779 PMCID: PMC6133374 DOI: 10.1371/journal.pone.0203836] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 08/07/2018] [Indexed: 02/06/2023] Open
Abstract
Malaria-induced acute kidney injury (MAKI) is a life-threatening complication of severe malaria. Here, we investigated the potential role of the angiotensin II (Ang II)/AT1 receptor pathway in the development of MAKI. We used C57BL/6 mice infected by Plasmodium berghei ANKA (PbA-infected mice), a well-known murine model of severe malaria. The animals were treated with 20 mg/kg/day losartan, an antagonist of AT1 receptor, or captopril, an angiotensin-converting enzyme inhibitor. We observed an increase in the levels of plasma creatinine and blood urea nitrogen associated with a significant decrease in creatinine clearance, a marker of glomerular flow rate, and glomerular hypercellularity, indicating glomerular injury. PbA-infected mice also presented proteinuria and a high level of urinary γ-glutamyltransferase activity associated with an increase in collagen deposition and interstitial space, showing tubule-interstitial injury. PbA-infected mice were also found to have increased fractional excretion of sodium (FENa+) coupled with decreased cortical (Na++K+)ATPase activity. These injuries were associated with an increase in pro-inflammatory cytokines, such as tumor necrosis factor alpha, interleukin-6, interleukin-17, and interferon gamma, in the renal cortex of PbA-infected mice. All modifications of these structural, biochemical, and functional parameters observed in PbA-infected mice were avoided with simultaneous treatment with losartan or captopril. Our data allow us to postulate that the Ang II/AT1 receptor pathway mediates an increase in renal pro-inflammatory cytokines, which in turn leads to the glomerular and tubular injuries observed in MAKI.
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Affiliation(s)
- Leandro S. Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Diogo B. Peruchetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Rodrigo P. Silva-Aguiar
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Thiago P. Abreu
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Beatriz K. A. Dal-Cheri
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Christina M. Takiya
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Mariana C. Souza
- Instituto de tecnologia em Fármacos, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - Maria G. Henriques
- Instituto de tecnologia em Fármacos, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - Ana Acacia S. Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Nacional de Ciência e Tecnologia em Medicina Regenerativa, Conselho Nacional de Desenvolvimento Científico e Tecnológico/MCT, Rio de Janeiro, RJ, Brazil
- * E-mail:
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12
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A systematic investigation on animal models of cyclosporine A combined with Escherichia coli to simulate the immunosuppressive status of sepsis patients before onset. Int Immunopharmacol 2018; 62:67-76. [DOI: 10.1016/j.intimp.2018.05.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 05/29/2018] [Accepted: 05/29/2018] [Indexed: 02/07/2023]
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13
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Rodrigues FADP, Santos ADDC, de Medeiros PHQS, Prata MDMG, Santos TCDS, da Silva JA, Brito GADC, Dos Santos AA, Silveira ER, Lima AÂM, Havt A. Gingerol suppresses sepsis-induced acute kidney injury by modulating methylsulfonylmethane and dimethylamine production. Sci Rep 2018; 8:12154. [PMID: 30108263 PMCID: PMC6092401 DOI: 10.1038/s41598-018-30522-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 07/30/2018] [Indexed: 12/12/2022] Open
Abstract
Acute kidney injury (AKI) and metabolic dysfunction are critical complications in sepsis syndrome; however, their pathophysiological mechanisms remain poorly understood. Therefore, we evaluated whether the pharmacological properties of 6-gingerol (6G) and 10-gingerol (10G) could modulate AKI and metabolic disruption in a rat model of sepsis (faecal peritonitis). Animals from the sham and AKI groups were intraperitoneally injected with 6G or 10G (25 mg/kg). Septic AKI decreased creatinine clearance and renal antioxidant activity, but enhanced oxidative stress and the renal mRNA levels of tumour necrosis factor-α, interleukin-1β, and transforming growth factor-β. Both phenol compounds repaired kidney function through antioxidant activity related to decreased oxidative/nitrosative stress and proinflammatory cytokines. Metabolomics analysis indicated different metabolic profiles for the sham surgery group, caecal ligation and puncture model alone group, and sepsis groups treated with gingerols. 1H nuclear magnetic resonance analysis detected important increases in urinary creatine, allantoin, and dimethylglycine levels in septic rats. However, dimethylamine and methylsulfonylmethane metabolites were more frequently detected in septic animals treated with 6G or 10G, and were associated with increased survival of septic animals. Gingerols attenuated septic AKI by decreasing renal disturbances, oxidative stress, and inflammatory response through a mechanism possibly correlated with increased production of dimethylamine and methylsulfonylmethane.
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Affiliation(s)
| | | | | | - Mara de Moura Gondim Prata
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | | | | | - Gerly Anne de Castro Brito
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Armênio Aguiar Dos Santos
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Edilberto Rocha Silveira
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Aldo Ângelo Moreira Lima
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Alexandre Havt
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil.
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14
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Nascimento DC, Melo PH, Piñeros AR, Ferreira RG, Colón DF, Donate PB, Castanheira FV, Gozzi A, Czaikoski PG, Niedbala W, Borges MC, Zamboni DS, Liew FY, Cunha FQ, Alves-Filho JC. IL-33 contributes to sepsis-induced long-term immunosuppression by expanding the regulatory T cell population. Nat Commun 2017; 8:14919. [PMID: 28374774 PMCID: PMC5382289 DOI: 10.1038/ncomms14919] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2016] [Accepted: 02/09/2017] [Indexed: 12/29/2022] Open
Abstract
Patients who survive sepsis can develop long-term immune dysfunction, with expansion of the regulatory T (Treg) cell population. However, how Treg cells proliferate in these patients is not clear. Here we show that IL-33 has a major function in the induction of this immunosuppression. Mice deficient in ST2 (IL-33R) develop attenuated immunosuppression in cases that survive sepsis, whereas treatment of naive wild-type mice with IL-33 induces immunosuppression. IL-33, released during tissue injury in sepsis, activates type 2 innate lymphoid cells, which promote polarization of M2 macrophages, thereby enhancing expansion of the Treg cell population via IL-10. Moreover, sepsis-surviving patients have more Treg cells, IL-33 and IL-10 in their peripheral blood. Our study suggests that targeting IL-33 may be an effective treatment for sepsis-induced immunosuppression. Patients who survive sepsis are at increased risk of infection owing to long-term immunosuppression that is associated with an increase in Treg cell numbers. Here the authors show expansion of the Treg cell population in sepsis mice is driven by IL-33-induced ILC2 activation of IL-10 production by macrophages.
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Affiliation(s)
- Daniele C Nascimento
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Paulo H Melo
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Annie R Piñeros
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Raphael G Ferreira
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - David F Colón
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Paula B Donate
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Fernanda V Castanheira
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Aline Gozzi
- Department of Internal Medicine, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Paula G Czaikoski
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Wanda Niedbala
- Department of Immunology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK
| | - Marcos C Borges
- Department of Internal Medicine, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Dario S Zamboni
- Departments of Cell Biology and Microbial Pathogenesis, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Foo Y Liew
- Department of Immunology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK.,School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215006, China
| | - Fernando Q Cunha
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
| | - Jose C Alves-Filho
- Departments of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto 14049-900, Brazil
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15
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Lobo BW, Lima CKF, Teixeira MS, Silva NL, Takiya CM, Ramos MF, Miranda ALP, Dellamora-Ortiz GM. Fish oil attenuates persistent inflammatory pain in rats through modulation of TNF-α and resolvins. Life Sci 2016; 152:30-7. [DOI: 10.1016/j.lfs.2016.03.034] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 03/01/2016] [Accepted: 03/17/2016] [Indexed: 01/05/2023]
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16
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Sims CR, Nguyen TC, Mayeux PR. Could Biomarkers Direct Therapy for the Septic Patient? J Pharmacol Exp Ther 2016; 357:228-39. [PMID: 26857961 DOI: 10.1124/jpet.115.230797] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 02/05/2016] [Indexed: 01/25/2023] Open
Abstract
Sepsis is a serious medical condition caused by a severe systemic inflammatory response to a bacterial, fungal, or viral infection that most commonly affects neonates and the elderly. Advances in understanding the pathophysiology of sepsis have resulted in guidelines for care that have helped reduce the risk of dying from sepsis for both children and older adults. Still, over the past three decades, a large number of clinical trials have been undertaken to evaluate pharmacological agents for sepsis. Unfortunately, all of these trials have failed, with the use of some agents even shown to be harmful. One key issue in these trials was the heterogeneity of the patient population that participated. What has emerged is the need to target therapeutic interventions to the specific patient's underlying pathophysiological processes, rather than looking for a universal therapy that would be effective in a "typical" septic patient, who does not exist. This review supports the concept that identification of the right biomarkers that can direct therapy and provide timely feedback on its effectiveness will enable critical care physicians to decrease mortality of patients with sepsis and improve the quality of life of survivors.
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Affiliation(s)
- Clark R Sims
- Department of Pharmacology and Toxicology, University of Arkansas for Medical Sciences, Little Rock, Arkansas (C.R.S., P.R.M.); and Department of Pediatrics, Section of Critical Care Medicine, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas (T.C.N.)
| | - Trung C Nguyen
- Department of Pharmacology and Toxicology, University of Arkansas for Medical Sciences, Little Rock, Arkansas (C.R.S., P.R.M.); and Department of Pediatrics, Section of Critical Care Medicine, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas (T.C.N.)
| | - Philip R Mayeux
- Department of Pharmacology and Toxicology, University of Arkansas for Medical Sciences, Little Rock, Arkansas (C.R.S., P.R.M.); and Department of Pediatrics, Section of Critical Care Medicine, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas (T.C.N.)
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17
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Silva-Filho JL, Peruchetti DB, Moraes-Santos F, Landgraf SS, Silva LS, Sirtoli GM, Zamith-Miranda D, Takiya CM, Pinheiro AAS, Diaz BL, Caruso-Neves C. Group V Secretory Phospholipase A2 Is Involved in Tubular Integrity and Sodium Handling in the Kidney. PLoS One 2016; 11:e0147785. [PMID: 26820468 PMCID: PMC4731149 DOI: 10.1371/journal.pone.0147785] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Accepted: 01/10/2016] [Indexed: 01/08/2023] Open
Abstract
Group V (GV) phospholipase A2 (PLA2) is a member of the family of secreted PLA2 (sPLA2) enzymes. This enzyme has been identified in several organs, including the kidney. However, the physiologic role of GV sPLA2 in the maintenance of renal function remains unclear. We used mice lacking the gene encoding GV sPLA2 (Pla2g5−/−) and wild-type breeding pairs in the experiments. Mice were individually housed in metabolic cages and 48-h urine was collected for biochemical assays. Kidney samples were evaluated for glomerular morphology, renal fibrosis, and expression/activity of the (Na+ + K+)-ATPase α1 subunit. We observed that plasma creatinine levels were increased in Pla2g5−/− mice following by a decrease in creatinine clearance. The levels of urinary protein were higher in Pla2g5−/− mice than in the control group. Markers of tubular integrity and function such as γ-glutamyl transpeptidase, lactate dehydrogenase, and sodium excretion fraction (FENa+) were also increased in Pla2g5−/− mice. The increased FENa+ observed in Pla2g5−/− mice was correlated to alterations in cortical (Na+ + K+) ATPase activity/ expression. In addition, the kidney from Pla2g5−/− mice showed accumulation of matrix in corticomedullary glomeruli and tubulointerstitial fibrosis. These data suggest GV sPLA2 is involved in the maintenance of tubular cell function and integrity, promoting sodium retention through increased cortical (Na+ + K+)-ATPase expression and activity.
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Affiliation(s)
- João Luiz Silva-Filho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Diogo Barros Peruchetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Felipe Moraes-Santos
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Sharon Schilling Landgraf
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia, Rio de Janeiro, RJ, Brazil
| | - Leandro Souza Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Gabriela Modenesi Sirtoli
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Daniel Zamith-Miranda
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Christina Maeda Takiya
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Ana Acacia Sá Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Nacional para Pesquisa Translacional em Saúde e Ambiente na Região Amazônica, Conselho Nacional de Desenvolvimento Científico e Tecnológico/MCT, Rio de Janeiro, RJ, Brazil
| | - Bruno Lourenço Diaz
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia e Bioimagem, Rio de Janeiro, RJ, Brazil
- * E-mail:
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18
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Kwon KH, Oh JY, Yoon YS, Jeong YJ, Kim KS, Shin SJ, Chung JW, Huh HJ, Chae SL, Park SY. Colistin treatment in carbapenem-resistant Acinetobacter baumannii pneumonia patients: Incidence of nephrotoxicity and outcomes. Int J Antimicrob Agents 2015; 45:605-9. [PMID: 25772644 DOI: 10.1016/j.ijantimicag.2015.01.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 01/12/2015] [Indexed: 11/29/2022]
Abstract
Colistimethate sodium (CMS) is increasingly used to treat multidrug-resistant Gram-negative bacilli infections. However, the incidence of CMS-associated nephrotoxicity has not been evaluated in patients with carbapenem-resistant Acinetobacter baumannii (CRAB) pneumonia. This retrospective study included 120 patients with CRAB pneumonia treated with intravenous CMS for ≥72 h. The objective of the study was to determine risk factors for CMS-induced nephrotoxicity and 30-day mortality in patients with CRAB pneumonia. Of the 120 patients with CRAB pneumonia, 61 (51%) developed nephrotoxicity. Multivariate analysis showed that dose per ideal body weight (IBW) [odds ratio (OR)=1.28, 95% confidence interval (CI) 1.01-1.62; P=0.04], Charlson co-morbidity index (OR=1.31, 95% CI 1.06-1.60; P=0.01) and septic shock (OR=3.16, 95% CI 1.32-7.60; P=0.01) were associated with CMS-associated nephrotoxicity. Thirty-day mortality was 33% (39/120). Multivariate analysis showed that higher daily doses of CMS per IBW [hazard ratio (HR)=0.81, 95% CI 0.67-0.98; P=0.03] and longer duration of CMS therapy (HR=0.86, 95% CI 0.79-0.95; P=0.002) were associated with increased survival. Septic shock (HR=3.91, 95% CI 1.95-7.83; P<0.001) and corticosteroid use (HR=3.49, 95% CI 1.67-7.28; P=0.001) were associated with decreased survival in patients with CRAB pneumonia. Higher daily doses of CMS per IBW, Charlson comorbidity index and septic shock were significant risk factors for CMS-associated nephrotoxicity. However, CMS-associated nephrotoxicity does not appear to have an impact on mortality.
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Affiliation(s)
- Ki Hwan Kwon
- Department of Internal Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Jin Young Oh
- Divisions of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Young-Soon Yoon
- Divisions of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Yun-Jeong Jeong
- Divisions of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Kyung Soo Kim
- Division of Nephrology, Department of Internal Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Sung Joon Shin
- Division of Nephrology, Department of Internal Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Jae Woo Chung
- Department of Laboratory Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Hee Jin Huh
- Department of Laboratory Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Seok Lae Chae
- Department of Laboratory Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Seong Yeon Park
- Division of Infectious Diseases, Department of Internal Medicine, Dongguk University, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea.
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19
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Landgraf SS, Silva LS, Peruchetti DB, Sirtoli GM, Moraes-Santos F, Portella VG, Silva-Filho JL, Pinheiro CS, Abreu TP, Takiya CM, Benjamin CF, Pinheiro AAS, Canetti C, Caruso-Neves C. 5-Lypoxygenase products are involved in renal tubulointerstitial injury induced by albumin overload in proximal tubules in mice. PLoS One 2014; 9:e107549. [PMID: 25302946 PMCID: PMC4193734 DOI: 10.1371/journal.pone.0107549] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 08/11/2014] [Indexed: 12/11/2022] Open
Abstract
The role of albumin overload in proximal tubules (PT) in the development of tubulointerstitial injury and, consequently, in the progression of renal disease has become more relevant in recent years. Despite the importance of leukotrienes (LTs) in renal disease, little is known about their role in tubulointerstitial injury. The aim of the present work was to investigate the possible role of LTs on tubulointerstitial injury induced by albumin overload. An animal model of tubulointerstitial injury challenged by bovine serum albumin was developed in SV129 mice (wild-type) and 5-lipoxygenase-deficient mice (5-LO–/–). The changes in glomerular morphology and nestin expression observed in wild-type mice subjected to kidney insult were also observed in 5-LO–/– mice. The levels of urinary protein observed in the 5-LO–/– mice subjected or not to kidney insult were lower than those observed in respective wild-type mice. Furthermore, the increase in lactate dehydrogenase activity, a marker of tubule damage, observed in wild-type mice subjected to kidney insult did not occur in 5-LO–/– mice. LTB4 and LTD4, 5-LO products, decreased the uptake of albumin in LLC-PK1 cells, a well-characterized porcine PT cell line. This effect correlated with activation of protein kinase C and inhibition of protein kinase B. The level of proinflammatory cytokines, tumor necrosis factor-α and interleukin (IL)-6, increased in mice subjected to kidney insult but this effect was not modified in 5-LO–/– mice. However, 5-LO–/– mice subjected to kidney insult presented lower macrophage infiltration and higher levels of IL-10 than wild-type mice. Our results reveal that LTs have an important role in tubulointerstitial disease induced by albumin overload.
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Affiliation(s)
- Sharon Schilling Landgraf
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leandro Souza Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diogo Barros Peruchetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gabriela Modenesi Sirtoli
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Felipe Moraes-Santos
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Viviane Gomes Portella
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - João Luiz Silva-Filho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carla Silva Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thiago Pereira Abreu
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Christina Maeda Takiya
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Claudia Farias Benjamin
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Acacia Sá Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
- Departamento de Fisiologia e Biofísica, Instituto Nacional de Pesquisa Translacional em Saúde e Ambiente na Região Amazônica, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Claudio Canetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia e Bioimagem, CCS, Rio de Janeiro, Rio de Janeiro, Brazil
- * E-mail:
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Recurrent kidney injury in critically ill surgical patients is common and associated with worse outcomes. J Trauma Acute Care Surg 2014; 76:1397-401. [DOI: 10.1097/ta.0000000000000241] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Berger M, Santi L, Beys-da-Silva WO, Oliveira FMS, Caliari MV, Yates JR, Vieira MAR, Guimarães JA. Mechanisms of acute kidney injury induced by experimental Lonomia obliqua envenomation. Arch Toxicol 2014; 89:459-83. [PMID: 24798088 DOI: 10.1007/s00204-014-1264-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Accepted: 04/15/2014] [Indexed: 12/17/2022]
Abstract
Lonomia obliqua caterpillar envenomation causes acute kidney injury (AKI), which can be responsible for its deadly actions. This study evaluates the possible mechanisms involved in the pathogenesis of renal dysfunction. To characterize L. obliqua venom effects, we subcutaneously injected rats and examined renal functional, morphological and biochemical parameters at several time points. We also performed discovery-based proteomic analysis to measure protein expression to identify molecular pathways of renal disease. L. obliqua envenomation causes acute tubular necrosis, which is associated with renal inflammation; formation of hematic casts, resulting from intravascular hemolysis; increase in vascular permeability and fibrosis. The dilation of Bowman's space and glomerular tuft is related to fluid leakage and intra-glomerular fibrin deposition, respectively, since tissue factor procoagulant activity increases in the kidney. Systemic hypotension also contributes to these alterations and to the sudden loss of basic renal functions, including filtration and excretion capacities, urinary concentration and maintenance of fluid homeostasis. In addition, envenomed kidneys increase the expression of proteins involved in cell stress, inflammation, tissue injury, heme-induced oxidative stress, coagulation and complement system activation. Finally, the localization of the venom in renal tissue agrees with morphological and functional alterations, suggesting also a direct nephrotoxic activity. In conclusion, the mechanisms of L. obliqua-induced AKI are complex involving mainly glomerular and tubular functional impairment and vascular alterations. These results are important to understand the mechanisms of renal injury and may suggest more efficient ways to prevent or attenuate the pathology of Lonomia's envenomation.
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Affiliation(s)
- Markus Berger
- Laboratório de Bioquímica Farmacológica, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, CEP 91501-970, Porto Alegre, RS, Brazil
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Abreu TP, Silva LS, Takiya CM, Souza MC, Henriques MG, Pinheiro AAS, Caruso-Neves C. Mice rescued from severe malaria are protected against renal injury during a second kidney insult. PLoS One 2014; 9:e93634. [PMID: 24736406 PMCID: PMC3988045 DOI: 10.1371/journal.pone.0093634] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Accepted: 03/05/2014] [Indexed: 11/22/2022] Open
Abstract
Malaria is a worldwide disease that leads to 1 million deaths per year. Plasmodium falciparum is the species responsible for the most severe form of malaria leading to different complications. Beyond the development of cerebral malaria, impairment of renal function is a mortality indicator in infected patients. Treatment with antimalarial drugs can increase survival, however the long-term effects of malaria on renal disease, even after treatment with antimalarials, are unknown. The aim of this study was to evaluate the effect of antimalarial drug treatment on renal function in a murine model of severe malaria and then evaluate kidney susceptibility to a second renal insult. Initially, mice infected with Plasmodium berghei ANKA achieved 20% parasitemia on day 5 post infection, which was completely abolished after treatment with 25 mg/kg artesunate and 40 mg/kg mefloquine. The treatment also decreased plasma creatinine levels by 43% and partially reversed the reduction in the glomerular filtration rate induced by infection. The urinary protein/creatinine ratio, collagen deposition, and size of the interstitial space decreased by 75%, 40%, and 20%, respectively, with drugs compared with untreated infected animals. In infected-treated mice that underwent a second renal insult, the plasma creatinine level decreased by 60% and the glomerular filtration rate increased compared with infected animals treated only with antimalarials. The number of glomerular cells, collagen deposition and the size of the interstitial space decreased by 20%, 39.4%, and 41.3%, respectively, in the infected group that underwent a second renal insult compared with the infected-treated groups. These functional and structural data show that renal injury observed in a murine model of severe malaria is partially reversed after antimalarial drug treatment, making the kidney less susceptible to a second renal insult.
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Affiliation(s)
- Thiago P. Abreu
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Leandro S. Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Christina M. Takiya
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Mariana C. Souza
- Instituto de Tecnologia em Fármacos, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - Maria G. Henriques
- Instituto de Tecnologia em Fármacos, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - Ana Acacia S. Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Nacional para Pesquisa Translacional em Saúde e Ambiente na Região Amazônica, Conselho Nacional de Desenvolvimento Científico e Tecnológico/MCT, Rio de Janeiro, RJ, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia e Bioimagem, Conselho Nacional de Desenvolvimento Científico e Tecnológico/MCT, Rio de Janeiro, RJ, Brazil
- * E-mail:
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