• This shows that the Fas-pathway may play a role in the pathogenesis of the apoptosis of tubule cells during the early ischemic-reperfusion period. (wikipedia.org)
  • Gender difference in the development of cardiac lesions following acute ischemic-reperfusion renal injury in albino rats. (phypha.ir)
  • The production of antioxidant enzymes that scavenge free radicals in ischemic tissue is then impaired, thereby exacerbating the damage caused by these free radicals in the post ischemic reperfusion tissue. (frontiersin.org)
  • Lung inflammation is induced by renal ischemia and reperfusion injury as part of the systemic inflammatory syndrome. (phypha.ir)
  • abstract = "Inhibition of complement factor C5 protects against renal ischemia-reperfusion injury: inhibition of late apoptosis and inflammation.De Vries B, Matthijsen RA, Wolfs TG, Van Bijnen AA, Heeringa P, Buurman WA.Department of General Surgery, Nutrition and Toxicology Research Institute Maastricht (NUTRIM), Maastricht University, Maastricht, The Netherlands.BACKGROUND: Complement has been implicated in the pathophysiology of renal ischemia-reperfusion (I/R) injury. (maastrichtuniversity.nl)
  • Exogenous administration of CFH after reperfusion caused overt AKI with creatinine increase, tubular injury, and enhanced markers of renal inflammation compared with vehicle-treated animals. (stanford.edu)
  • In this study, we investigated the role of the NF-κB signaling pathway and inflammation in the amelioration of renal IRI using pioglitazone. (frontiersin.org)
  • Cell-based therapy with mesenchymal stem cells or renal progenitor cells (RPCs) resident in the kidney has appeared to be an effective strategy for the treatment of AKI. (biomedcentral.com)
  • Intravenous adipose mesenchymal stem cells (ADSCs) attenuate renal ischemia/reperfusion (IR) injury but with major drawbacks, including the lack of a specific homing effect after systemic infusion, cell trapping in the lung, and early cell death in the damaged microenvironment. (ntnu.edu.tw)
  • To investigate the effects of renal ischemic preconditioning (IPC) on both renal hemodynamics and the renal interstitial concentrations of adenosine and adenine nucleotides induced by ischemia-reperfusion injury. (eurekamag.com)
  • Renal hemodynamics responses to ischemia-reperfusion injury in mongrel dog models were determined with or without multiple brief renal ischemic preconditioning treatments, as well as the adenosine A1 receptor antagonist (KW-3902), respectively. (eurekamag.com)
  • Consistently, DEX-MVs were better than MV in increasing CD44 expression, improving IR-depressed renal hemodynamics and renal erythropoietin expression, inhibiting IR-enhanced renal ROS level, tubular injury score, miR-122-5p expression, pNF-κB expression, Bax/caspase 3/poly(ADP-ribose) polymerase (PARP)-mediated apoptosis, blood urea nitrogen, and creatinine levels. (ntnu.edu.tw)
  • Sevoflurane represses the release of inflammatory factors, lowers ROS level and apoptosis of renal cells and improves renal function through activation of RISK signaling pathway in kidney tissues of rats with renal IRI. (ajol.info)
  • Native kidneys and skeletal muscle were imaged as reference tissues and renal explants analysed by histology and electron microscopy. (hindawi.com)
  • The transplantation of iPSC-derived RPCs decreased the levels of biomarkers indicative of renal injury and attenuated the necrosis and apoptosis of renal tissues, but resulted in the up-regulation of renal tubules formation, cell proliferation, and the expression of pro-renal factors. (biomedcentral.com)
  • The enhanced lung and renal tissues damages were depended to reperfusion time in both genders. (phypha.ir)
  • We designed this study to identify changes in HMGB1 expression in rat kidney tissues after ischemia reperfusion injury and effects of EP on the expression of HMGB1. (elsevierpure.com)
  • Furthermore, we examined the effect of inhibition of complement-factor C5 on renal I/R injury. (maastrichtuniversity.nl)
  • To investigate the effect of sevoflurane on renal ischemia-reperfusion injury (IRI) in rats and its regulatory effect on reperfusion injury salvage kinase (RISK) signaling pathway. (ajol.info)
  • Thus, pioglitazone ameliorates renal IRI by inhibiting the NF-κB signaling pathway and inflammatory response in rats. (frontiersin.org)
  • Therefore, in this study, we aimed to investigate the molecular mechanisms underlying pioglitazone hydrochloride-mediated amelioration of renal IRI with respect to the nuclear factor-kappaB (NF-κB) signaling pathway and inflammatory response using a rat model. (frontiersin.org)
  • Experimental models of unilateral renal IRI were used in p53(+/+) and p53(-/-) mice. (techscience.com)
  • In studies of mice models, clamping of the kidney may result in kidney ischemia. (wikipedia.org)
  • In studies of mice models, a high-fat diet can induce greater injury to the kidney with renal ischemia-reperfusion as compared to mice with normal diet. (wikipedia.org)
  • Several genetic pathways that lead to apoptosis of kidney cells have been implicated in mice models and in-vitro assays. (wikipedia.org)
  • Upregulation of Fas and FADD protein has occurred in mice models after a 24h period of ischemic injury. (wikipedia.org)
  • Two cohorts of mice underwent renal transplantation with either a syngeneic isograft or allograft kidney. (hindawi.com)
  • Modeling diabetic nephropathy in mice. (scielo.br)
  • METHODOLOGY AND FINDINGS: Mice subject to unilateral, transient (30 minutes) renal ischemia and subsequent reperfusion received intravenous VCAM-MPIO (4.5 mg iron/kg body weight). (ox.ac.uk)
  • METHODS: Mice were subjected to 45 min of unilateral ischemia and subsequent contralateral nephrectomy and reperfusion for 2, 12, or 24 hr. (maastrichtuniversity.nl)
  • This study aims to determine if pathologic mitochondrial fission mediated by Drp1/Fis1 interaction impacts extracellular mitochondrial content and macrophage function in sepsis-induced immunoparalysis.DESIGN: Laboratory investigation.SETTING: University laboratory.SUBJECTS: C57BL/6 and BALB/C mice.INTERVENTIONS: Using in vitro and murine models of endotoxin tolerance (ET), we evaluated changes in Drp1/Fis1-dependent pathologic fission and simultaneously measured the quantity and quality of extracellular mitochondria. (stanford.edu)
  • Because multiple other factors can contribute to AKI development in the complex clinical setting of LuTx, we next investigated the role of exogenous CFH administration in a mouse model of mild bilateral renal ischemia reperfusion injury (IRI). (stanford.edu)
  • Sprague-Dawley (SD) rats were subjected to bilateral renal artery clamping for 45 min followed by perfusion restoration for establishing a simulated renal IRI model. (frontiersin.org)
  • In this study, we induced iPSCs differentiation into RPCs using a nephrogenic cocktail of factors combined with the renal epithelial cell growth medium. (biomedcentral.com)
  • We showed that the differentiation efficiency of iPSCs to RPCs increased when cultured with renal epithelial cell growth medium after stimulation with a nephrogenic cocktail of factors. (biomedcentral.com)
  • Interestingly, PTX3 deposits co-localized with activation of the terminal Complement complex (C5b-9) on endothelial cells, indicating that PTX3-mediated Complement activation occurred mainly at the renal vascular level. (unicatt.it)
  • In addition, there is discussion of how intrinsic damage to the endothelium impairs homeostatic responses in vascular tone as well as promotes leukocyte adhesion and exacerbating the reduction in renal blood flow. (eurekaselect.com)
  • Finally, we discuss how acute kidney injury induces permanent alterations in renal vascular structure. (eurekaselect.com)
  • RATIONALE AND OBJECTIVE: Vascular cell adhesion molecule-1 (VCAM-1) is upregulated in ischemia reperfusion injury (IRI), persisting after restoration of blood flow. (ox.ac.uk)
  • In two models of partial renal IR with and without ischemia preconditioning (IPC) and using Mas receptor (MasR) blockade, A779 or its vehicle, the renal vascular responses to angiotensin II (Ang II) administration in two-kidney-one-clip (2K1C) hypertensive rats were determined. (hindawi.com)
  • The renal vascular responses to graded Ang II (30, 100, 300, and 1000 ng kg −1 .min −1 ) infusion using A779 or its vehicle were measured at constant renal perfusion pressure. (hindawi.com)
  • No significant differences were detected between the groups in renal blood flow (RBF) or renal vascular resistance (RVR) responses to Ang II infusion when MasR was not blocked. (hindawi.com)
  • IR promotes a cascade of molecular events that lead to renal vascular and tubular damage and, ultimately, acute kidney injury (AKI) [ 2 - 4 ]. (hindawi.com)
  • In contrast to the negative effects of Ang II on the renal circulation, Ang1-7 as a renoprotective agent improves endothelial function, which increases RBF and decreases renal vascular resistance (RVR) [ 16 ]. (hindawi.com)
  • citation needed] Kidney ischemia can be diagnosed by checking the levels of several biomarkers such as clusterin and cystatin C. While the duration of ischemia was used as a biomarker, it was found that it has significant flaws in predicting renal function outcomes. (wikipedia.org)
  • In addition, dohongsamul-tang treatment improved renal function-related biomarkers, such as blood creatinine, blood urea nitrogen, and neutrophil gelatinase-associated lipocalin, which were increased by TAC-induced cardiac hypertrophy. (bvsalud.org)
  • In conclusion, CFH is a possible factor contributing to postoperative AKI after LuTx and promotes AKI in an experimental model of mild transient renal ischemia. (stanford.edu)
  • IPC is described as short, transient, and nonlethal ischemia periods and subsequent reperfusion which is performed before IR injury and can protect the kidney against long-term ischemia [ 6 - 8 ]. (hindawi.com)
  • MATERIALS AND METHODS: We randomly divided 34 Macaca cynomolgus monkeys into groups 1 and 2, which received a renal autograft after 2 hours of cold ischemia, and groups 3 and 4, which received the autograft after 24 hours of cold ischemia. (unica.it)
  • The objective of this study was to determine whether homing of endothelial progenitor cells (EPCs) induced by ischemic preconditioning (IPC) contributed to the protection of renal acute ischemia-reperfusion injury (IRI) in male rats. (annalsoftransplantation.com)
  • Attenuation of ischemia-reperfusion injury in a canine model of autologous renal transplantation. (musc.edu)
  • Cell-Free Hemoglobin in Acute Kidney Injury after Lung Transplantation and Experimental Renal Ischemia/Reperfusion. (stanford.edu)
  • It is considered as a major cause of acute renal failure and the main factor in early recovery of renal graft function and long-term survival post renal transplantation. (frontiersin.org)
  • We examined whether intrarenal arterial transplantation of dexmedetomidine (DEX) preconditioning ADSC-derived microvesicles (DEX-MVs) could promote further therapeutic potential to reduce renal IR injury. (ntnu.edu.tw)
  • A significant increment was seen in female serum level of nitrite compared with males after 3h reperfusion. (phypha.ir)
  • Kidneys were harvested and serum creatinine and TNF-α measured at 6 hours, 1 day, 3 days, and 5 days after reperfusion. (elsevierpure.com)
  • At 24 h post-operatively, we assessed the serum levels of creatinine and urea nitrogen, expression levels of peroxisome proliferator-activated receptor gamma (PPAR-γ) and NF-κB-related (p-IKK-β and IκB-α) proteins, and mRNA expression levels of the inflammatory cytokines, including TNF-α and MCP-1, in the renal tissue of various study groups. (frontiersin.org)
  • In rat renal tissue, pioglitazone treatment decreased the serum levels of post-renal IRI creatinine and urea nitrogen, as well as necrosis. (frontiersin.org)
  • OJS inhibited the increase of blood urea nitrogen (BUN) and serum creatinine (SCr) levels and reduced histological changes in the kidney, like loss of brush borders, renal tubular necrosis, and cast formation. (bvsalud.org)
  • [ 1 ] At present, serum creatinine, which is used to measure the glomerular filtration rate (GFR), is the most commonly used marker of renal function. (medscape.com)
  • This accounts for 60-97% of renal arterial lesions, which could lead to the occlusion of the renal artery and ischemic atrophy of the kidneys. (wikipedia.org)
  • RESULTS: A decrease in renal function was shown after 2 hours of cold ischemia with tubular necrosis and mild cell infiltration, while after 24 hours of cold ischemia there was severe renal failure with tubular and glomerular necrosis, and leukocyte infiltration. (unica.it)
  • In the current investigation, the STZ induced DN rat model was used to evaluate the effects of WSJPR on renal function and renal pathological changes and the potential causal mechanisms. (biomedcentral.com)
  • Putative mediators of vasoconstriction that may contribute to the initial loss of renal blood flow and GFR are highlighted. (eurekaselect.com)
  • Here, we assessed the metabolic alterations following subclinical focal ischemia-reperfusion injury with hyperpolarized [1- 13 C]pyruvate MRI in a porcine model. (au.dk)
  • Studies in animal models indicate that ischemia triggers alterations in endothelial function that contribute significantly to the overall degree and severity of a kidney injury. (eurekaselect.com)
  • There were alterations compatible with initial renal alterations, in the first 14 days, such as increased urinary density, pH alteration, presence of glucose, proteins and leukocytes, when compared to the control group. (scielo.br)
  • In the present study, the team was able to show that Liproxstatin-1 suppresses ferroptosis both in human kidney cells, Gpx4 deletion-induced acute renal failure and in a pre-clinical model of hepatic ischemia reperfusion injury. (sciencedaily.com)
  • Next, we examined the renal function-related markers and renal histology to assess the therapeutic effect of the injected cells. (biomedcentral.com)
  • Although pharmacological therapy, modern dialysis techniques, and intermittent or continuous renal replacement therapies exist, the therapeutic approaches for AKI remain very limited. (biomedcentral.com)
  • Sex effects and the time of reperfusion may be the important factors to consider clinical therapeutic of renal IRI as well as its impact on remote organs. (phypha.ir)
  • In summary, intrarenal arterial DEX-MV conferred further therapeutic potential to reduce renal IR injury through the miR-122-5p/erythropoietin/apoptosis axis. (ntnu.edu.tw)
  • To investigate the therapeutic efficacy, pharmacokinetics, and toxicity profile of novel drug treatments using the Experimental Autoimmune Encephalomyelitis (EAE) mouse model, Cuprizone mouse model, and in-vitro models. (edu.au)
  • In addition, the study identified laboratory values useful as predictors of survival, surrogates for EBOV viral loads, and triggers for initiation of therapeutic interventions in these nonhuman primate models. (cdc.gov)
  • Our results revealed that iPSC-derived RPCs can protect AKI rat from renal function impairment and severe tubular injury by up-regulating the renal tubules formation, promoting cell proliferation, reducing apoptosis, and regulating the microenvironment in the injured kidney. (biomedcentral.com)
  • CONCLUSIONS: Taken together, dohongsamul-tang treatment inhibited cardiac remodeling due to pressure overload in the TAC-induced cardiac hypertrophy model, and this effect is thought to be manifested by improving the functional and morphological changes through the calcineurin/NFATc4 and reducing the cardiac fibrosis by suppressing TGF-ß/Smad2 signaling pathways. (bvsalud.org)
  • For the past several decades, the Society of Thoracic Surgeons (STS) has been leading the development of risk models and quality improvement monitoring with the STS National Cardiac Database. (medscape.com)
  • More specifically, the deletion of the ferroptosis-regulating enzyme Gpx4 in a pre-clinical model results in high ferroptosis rates in kidney tubular epithelial cells causing acute renal failure. (sciencedaily.com)
  • 11. Hassoun HT, Lie ML, Grigoryev DN, Liu M, Tuder RM, Rabb H. Kidney ischemia-reperfusion injury induces caspase-dependent pulmonary apoptosis. (phypha.ir)
  • Our study investigated the role of PTX3 as possible modulator of Complement activation in a swine model of renal ischemia/reperfusion (I/R) injury. (unicatt.it)
  • Possible causes of kidney ischemia include the activation of IL-17C and hypoxia due to surgery or transplant. (wikipedia.org)
  • renal adenosine A1 receptor activation during the renal ischemia-reperfusion injury is detrimental to renal function. (eurekamag.com)
  • To investigate the involvement of complement in I/R injury, we studied the activation and deposition of complement in a murine model of renal I/R injury. (maastrichtuniversity.nl)
  • CONCLUSIONS: Renal I/R is followed by activation of the complement system and intrarenal deposition of C3 and MAC. (maastrichtuniversity.nl)
  • Monocytes and macrophages are known to play a role in chronic renal allograft damage [ 10 ] and are key promoters of fibrosis in other organs, such as the liver [ 11 , 12 ]. (hindawi.com)
  • The aim of this study was to determine gender differences in renal IR inducedlung injury in different reperfusion time. (phypha.ir)
  • 15. Kher A, Meldrum KK, Wang M, Tsai BM, Pitcher JM, Meldrum DR. Cellular and molecular mechanisms of sex differences in renal ischemia-reperfusion injury. (phypha.ir)
  • Moreover, renal ischemia can cause the delay of graft function after renal transplant and can cause rejection of the transplant. (wikipedia.org)
  • There is no imaging modality available to measure the development of graft fibrosis and current practice involves a biopsy when renal function deteriorates [ 8 ]. (hindawi.com)
  • Her research program includes hyperpolarized 13C MR spectroscopic imaging (MRSI) to assess renal tumor aggressiveness and diffuse renal disease (nephropathy), as well as quantitative imaging in pancreatic cancer. (ucsf.edu)
  • To create an experimental model of associated comorbidities, for healing and regeneration studies, protocols for induction of nephropathy by ischemia and reperfusion (I/R) and induction of DM by injection of streptozotocin (STZ) were associated. (scielo.br)
  • Mouse models of diabetic nephropathy. (scielo.br)
  • Diabetic nephropathy (DN) is a major microvascular complication of diabetes and the leading cause of end-stage renal disease (ESRD) in many developed countries [ 1 ]. (biomedcentral.com)
  • Renal IRI models were created in model and sevoflurane groups, while sham group had no ligation. (ajol.info)
  • This present study was designed to elucidate this protective activity in a rat model with streptozotocin (STZ)-induced DN and to explore the possible underlying mechanism. (biomedcentral.com)
  • The protective effect of erythropoietin on renal injury induced by abdominal aortic-ischemia-reperfusion in rats. (phypha.ir)
  • To investigate the course of tubular cell senescence and expressions of p53, p21, and Rb during the late phase of ischemia/reperfusion (IRI) in the kidney, and assess the effects of the p53-Rb pathway on tubular cell senescence. (techscience.com)
  • This retrospective study compared laboratory values and clinical features of 3 nonhuman primate models of lethal EVD to assess associations with improved survival time. (cdc.gov)
  • What causes kidney ischemia is not entirely known, but several pathophysiology relating to this disease have been elucidated. (wikipedia.org)
  • BACKGROUND: Complement has been implicated in the pathophysiology of renal ischemia-reperfusion (I/R) injury. (maastrichtuniversity.nl)
  • Reperfusion injury and reactive oxygen species: the evolution of a concept. (phypha.ir)
  • The microvascular and parenchymal organ damage induced upon ischemia tissue reperfusion is mainly attributed to the reactive oxygen-free radicals, and it has been demonstrated in many organs. (frontiersin.org)
  • We evaluated the effect of DEX-MVs on NRK-52E cells migration, hypoxia/reoxygenation (H/R)-induced cell death, and reactive oxygen species (ROS) amount and renal IR model in rats. (ntnu.edu.tw)
  • Introduction: Different doses of C. Mas concentrated syrup on ascitic tumors was investigated in the Ehrlich Ascites Tumor model (EAT). (karatay.edu.tr)
  • The biological effects of Ang1-7 are mainly mediated by specific receptor of MasR, and it is known clearly that Ang 1-7 and Ang II perform different actions in the renal vasculature [ 14 ]. (hindawi.com)