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Basnakian AG, Apostolov EO, Shah SV. Carbamylated LDL: the missing link between uremia and atherosclerosis. FASEB J 2010. [DOI: 10.1096/fasebj.24.1_supplement.116.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Basnakian AG, Apostolov EO, Braman N, Cortez L, Hinson J, Shah SV. Quantitative cytoplasmic TUNEL: the method to measure apoptosis and necrosis coexisting in a single liver or kidney cell. FASEB J 2010. [DOI: 10.1096/fasebj.24.1_supplement.38.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Swaminathan S, Arbiser JL, Hiatt KM, High W, Abul-Ezz S, Horn TD, Shah SV. Rapid improvement of nephrogenic systemic fibrosis with rapamycin therapy: Possible role of phospho-70-ribosomal-S6 kinase. J Am Acad Dermatol 2010; 62:343-5. [DOI: 10.1016/j.jaad.2009.04.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2008] [Revised: 04/12/2009] [Accepted: 04/14/2009] [Indexed: 11/27/2022]
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Shah SV, Rajapurkar MM. The Role of Labile Iron in Kidney Disease and Treatment with Chelation. Hemoglobin 2009; 33:378-85. [DOI: 10.3109/03630260903212233] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Cohen EP, Fish BL, Irving AA, Rajapurkar MM, Shah SV, Moulder JE. Radiation nephropathy is not mitigated by antagonists of oxidative stress. Radiat Res 2009; 172:260-4. [PMID: 19630531 DOI: 10.1667/rr1739] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Abstract Persistent, chronic oxidative injury may play a mechanistic role in late radiation injury. Thus antioxidants may be useful as mitigators of radiation injury. The antioxidants deferiprone, genistein and apocynin were tested in a rat radiation nephropathy model that uses single-fraction total-body irradiation (TBI) followed by syngeneic bone marrow transplant. Deferiprone was added to the drinking water at 1.0 or 2.5 g/liter, starting 3 days after the TBI. Urinary bleomycin-detectable iron, which could enhance production of oxygen radicals, was reduced in the rats on deferiprone compared to untreated rats, but deferiprone did not mitigate radiation nephropathy. Genistein added to the chow at 750 mg/kg starting immediately after TBI did not mitigate radiation nephropathy. Apocynin added to the drinking water at 250 mg/liter immediately after TBI did not mitigate radiation nephropathy. Thus three different types of antioxidants, when used at doses consistent with an antioxidant effect, had no mitigation efficacy against radiation nephropathy.
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Apostolov EO, Shah SV, Ray D, Basnakian AG. Scavenger receptors of endothelial cells mediate the uptake and cellular proatherogenic effects of carbamylated LDL. Arterioscler Thromb Vasc Biol 2009; 29:1622-30. [PMID: 19696406 DOI: 10.1161/atvbaha.109.189795] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Carbamylated LDL (cLDL) has been recently shown to have robust proatherogenic effects on human endothelial cells in vitro, suggesting cLDL may have a significant role in atherosclerosis in uremia. The current study was designed to determine which receptors are used by cLDL and thus cause the proatherogenic effects. METHODS AND RESULTS In ex vivo or in vitro models as well as in intact animals, administration of cLDL was associated with endothelial internalization of cLDL and subendothelial translocation (transcytosis). In vitro recombinant LOX-1 and SREC-1 receptors showed the greatest cLDL binding. However, pretreatment of the endothelial cells with specific inhibiting antibodies demonstrated that cLDL binds mainly to LOX-1 and CD36 receptors. The transcytosis was dependent on SR-A1, SREC-1, and CD36 receptors whereas LOX-1 receptor was not involved. The cytotoxicity was mediated by several studied scavenger receptors, but cLDL-induced monocyte adhesion depended only on LOX-1. The cLDL-induced synthesis of LOX-1 protein significantly contributed to both cytotoxicity and accelerated monocyte adhesion to endothelial cells. CONCLUSIONS Our data suggest that cLDL uses a unique pattern of scavenger receptors. They show that LOX-1 receptor, and partially CD36, SREC-1, and SR-A1 receptors, are essential for the proatherogenic effects of cLDL on human endothelial cells.
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Amuluru L, High W, Hiatt KM, Ranville J, Shah SV, Malik B, Swaminathan S. Metal deposition in calcific uremic arteriolopathy. J Am Acad Dermatol 2009; 61:73-9. [PMID: 19406504 PMCID: PMC3622256 DOI: 10.1016/j.jaad.2009.01.042] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2008] [Revised: 01/26/2009] [Accepted: 01/29/2009] [Indexed: 11/30/2022]
Abstract
BACKGROUND Calcific uremic arteriolopathy (CUA) is an often fatal disease that affects patients with end-stage renal disease. Although animal studies support a role for metals in the pathogenesis of CUA, metal accumulation in human tissue has not been previously evaluated. OBJECTIVE We sought to evaluate metal deposition in CUA. METHODS Twelve histologically proven cases of CUA were identified from our dermatopathology database. Five skin biopsy specimens from patients with chronic kidney disease exposed to gadolinium contrast but without CUA were used as controls. Quantification of metals including iron, aluminum, and gadolinium in the lesional skin was performed using inductively coupled mass spectrometry. RESULTS Seven patients had documented exposure to gadolinium-based contrast in the 2 years before CUA. Three of them had concurrent nephrogenic systemic fibrosis. Highly significant quantities of iron (P = .03) and aluminum (P = .0002) were detected in CUA specimens compared with controls. Significant amounts of gadolinium were present in several CUA biopsy specimens. LIMITATIONS Observational, retrospective study design and small sample size are limitations. CONCLUSION Tissue iron and aluminum content is increased in CUA. A significant amount of gadolinium is also present in some CUA specimens. Based on animal studies that strongly implicate metals in the pathogenesis of CUA, our data suggest that metal deposition should be considered in the pathogenesis of human CUA.
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Wang X, Tryndyak V, Apostolov EO, Yin X, Shah SV, Pogribny IP, Basnakian AG. Sensitivity of human prostate cancer cells to chemotherapeutic drugs depends on EndoG expression regulated by promoter methylation. Cancer Lett 2008; 270:132-43. [PMID: 18565644 DOI: 10.1016/j.canlet.2008.04.053] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2007] [Revised: 07/13/2007] [Accepted: 04/29/2008] [Indexed: 12/15/2022]
Abstract
Analysis of promoter sequences of all known human cytotoxic endonucleases showed that endonuclease G (EndoG) is the only endonuclease that contains a CpG island, a segment of DNA with high G+C content and a site for methylation, in the promoter region. A comparison of three human prostate cancer cell lines showed that EndoG is highly expressed in 22Rv1 and LNCaP cells. In PC3 cells, EndoG was not expressed and the EndoG CpG island was hypermethylated. The expression of EndoG correlated positively with sensitivity to cisplatin and etoposide, and the silencing of EndoG by siRNA decreased the sensitivity of the cells to the chemotherapeutic agents in the two EndoG-expressing cell lines. 5-aza-2'-deoxycytidine caused hypomethylation of the EndoG promoter in PC3 cells, induced EndoG mRNA and protein expression, and made the cells sensitive to both cisplatin and etoposide. The acetylation of histones by trichostatin A, the histone deacetylase inhibitor, induced EndoG expression in 22Rv1 cells, while it had no such effect in PC3 cells. These data are the first indication that EndoG may be regulated by methylation of its gene promoter, and partially by histone acetylation, and that EndoG is essential for prostate cancer cell death in the used models.
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Asci G, Basci A, Shah SV, Basnakian A, Toz H, Ozkahya M, Duman S, Ok E. Carbamylated low-density lipoprotein induces proliferation and increases adhesion molecule expression of human coronary artery smooth muscle cells. Nephrology (Carlton) 2008; 13:480-6. [PMID: 18518940 DOI: 10.1111/j.1440-1797.2008.00948.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
AIM Presence of accelerated atherosclerosis in dialysis patients cannot be entirely explained by conventional risk factors. Exposure to urea, which is elevated in patients with kidney disease, leads to the carbamylation of proteins. We investigated the effects of carbamylated low-density lipoprotein (cLDL) on human coronary artery vascular smooth muscle cells (VSMC). METHODS Native LDL (nLDL) was carbamylated with potassium cyanate. Cells were incubated with different concentrations of cLDL carbamylated at different time points. Cytotoxicity, apoptosis, proliferation (bromodeoxyuridine incorporation), expression of adhesion molecules and extracellular matrix protein synthesis were studied. RESULTS Carbamylated low-density lipoprotein exposure leads to morphological alterations and presence of cellular debris. Neither nLDL nor cLDL caused apoptosis. Lactate dehydrogenase (LDH) release was not different between groups. Carbamylated low-density lipoprotein led to a striking proliferation in VSMC compared to nLDL. Carbamylated low-density lipoprotein significantly increased intercellular adhesion molecule-1 and vascular cell adhesion molecule-1 expression compared to the control. The effects of cLDL on proliferation and adhesion molecule expression were dose-dependent and correlated with the degree of low-density lipoprotein carbamylation. cLDL had no effect on extracellular matrix protein synthesis. CONCLUSION The results support the hypothesis that cLDL may contribute to the pathogenesis of atherosclerosis in uraemic patients.
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Swaminathan S, High WA, Ranville J, Horn TD, Hiatt K, Thomas M, Brown HH, Shah SV. Cardiac and vascular metal deposition with high mortality in nephrogenic systemic fibrosis. Kidney Int 2008; 73:1413-8. [PMID: 18401336 DOI: 10.1038/ki.2008.76] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Nephrogenic systemic fibrosis is a severe disabling disease that can follow gadolinium-based contrast exposure. In this study we analyzed the clinical and laboratory records of patients with nephrogenic systemic fibrosis who had a history of exposure to gadolinium-based contrast media and identified their cardiac and vascular events. At autopsy, we found that the heart, blood vessels, and skin of three patients who died of cardiac and/or vascular complications had appreciable amounts of gadolinium, iron, and aluminum as measured by inductively coupled plasma-mass spectrometry and confirmed by x-ray fluorescence. Of the 32 patients with nephrogenic systemic fibrosis studied, 10 died at a median of 112 days after diagnosis. Cardiovascular events contributed to the mortality of 9 patients and included congestive heart failure, recurrent arrhythmias, hypotension, stroke, limb ischemia, posterior ischemic optic neuropathy and sudden death. Our results show that increased cardiac and vascular complications along with short survival in nephrogenic systemic fibrosis are associated with metal accumulation in the heart, blood vessels, and skin of these patients.
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Yang C, Kaushal V, Shah SV, Kaushal GP. Autophagy is associated with apoptosis in cisplatin injury to renal tubular epithelial cells. Am J Physiol Renal Physiol 2008; 294:F777-87. [DOI: 10.1152/ajprenal.00590.2007] [Citation(s) in RCA: 214] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Autophagy has emerged as another major “programmed” mechanism to control life and death much like “programmed cell death” is for apoptosis in eukaryotes. We examined the expression of autophagic proteins and formation of autophagosomes during progression of cisplatin injury to renal tubular epithelial cells (RTEC). Autophagy was detected as early as 2–4 h after cisplatin exposure as indicated by induction of LC3-I, conversion of LC3-I to LC3-II protein, and upregulation of Beclin 1 and Atg5, essential markers of autophagy. The appearance of cisplatin-induced punctated staining of autophagosome-associated LC3-II upon GFP-LC3 transfection in RTEC provided further evidence for autophagy. The autophagy inhibitor 3-methyladenine blocked punctated staining of autophagosomes. The staining of normal cells with acridine orange displayed green fluorescence with cytoplasmic and nuclear components in normal cells but displayed considerable red fluorescence in cisplatin-treated cells, suggesting formation of numerous acidic autophagolysosomal vacuoles. Autophagy inhibitors LY294002 or 3-methyladenine or wortmannin inhibited the formation of autophagosomes but induced apoptosis after 2–4 h of cisplatin treatment as indicated by caspase-3/7 and -6 activation, nuclear fragmentation, and cell death. This switch from autophagy to apoptosis by autophagic inhibitors further suggests that the preapoptotic lag phase after treatment with cisplatin is mediated by autophagy. At later stages of cisplatin injury, apoptosis was also found to be associated with autophagy, as autophagic inhibitors and inactivation of autophagy proteins Beclin 1 and Atg5 enhanced activation of caspases and apoptosis. Our results demonstrate that induction of autophagy mounts an adaptive response, suppresses cisplatin-induced apoptosis, and prolongs survival of RTEC.
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Shah SV, Wang X, Apostolov EO, Basnakian AG. 236: Deferiprone Ameliorates Cisplatin Injury to Renal Tubular Epithelial Cells. Am J Kidney Dis 2008. [DOI: 10.1053/j.ajkd.2008.02.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Shah SV, Feehally J. The third World Kidney Day: looking back and thinking forward. NEPHRON. CLINICAL PRACTICE 2008; 108:c241-c244. [PMID: 18334824 DOI: 10.1159/000121337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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Shah SV, Apostolov EO, Ok E, Basnakian AG. Novel mechanisms in accelerated atherosclerosis in kidney disease. J Ren Nutr 2008; 18:65-9. [PMID: 18089447 DOI: 10.1053/j.jrn.2007.10.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE Urea undergoes a spontaneous, nonenzymatic transformation to cyanate, the active part of which is isocyanic acid, which can cause modifications of a variety of proteins in a process called carbamylation. We postulated that, in patients with renal disease, the carbamylation of low-density lipoprotein (LDL) is a nontraditional risk factor for cardiovascular disease, and that elevated urea leads to carbamylated LDL (cLDL), which causes vascular injury and leads to atherosclerosis. RESULTS We showed that carbamylated LDL manifests all of the biological effects relevant to atherosclerosis, including endothelial-cell injury, the expression of adhesion molecules, and vascular smooth muscle cell proliferation. We also developed an enzyme-linked immunosorbent assay to measure carbamylated LDL in patients, and showed that cLDL is markedly elevated in dialysis patients. CONCLUSIONS Our data indicate that cLDL may be an important nontraditional risk factor for atherosclerosis in patients with kidney disease.
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Wang X, Tryndyak V, Apostolov EO, Yin X, Shah SV, Pogribny IP, Basnakian AG. Apoptotic/Recombinogenic Endonuclease G is Regulated by Promoter Methylation and Histone Acetylation. FASEB J 2008. [DOI: 10.1096/fasebj.22.1_supplement.987.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Shah SV, Feehally J. The Third World Kidney Day: looking back and thinking forward. Clin J Am Soc Nephrol 2008; 3:309-11. [PMID: 18272824 PMCID: PMC6631095 DOI: 10.2215/cjn.05001107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shah SV, Feehally J. The Third World Kidney Day: looking back and thinking forward. Am J Kidney Dis 2008; 51:349-52. [PMID: 18295047 DOI: 10.1053/j.ajkd.2007.12.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2007] [Accepted: 12/12/2007] [Indexed: 11/11/2022]
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Shah SV, Feehally J. The third World Kidney Day: looking back and thinking forward. Pediatr Nephrol 2008; 23:169-72. [PMID: 18080144 DOI: 10.1007/s00467-007-0712-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2007] [Accepted: 11/19/2007] [Indexed: 11/24/2022]
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Kellum JA, Mehta RL, Levin A, Molitoris BA, Warnock DG, Shah SV, Joannidis M, Ronco C. Development of a clinical research agenda for acute kidney injury using an international, interdisciplinary, three-step modified Delphi process. Clin J Am Soc Nephrol 2008; 3:887-94. [PMID: 18216348 DOI: 10.2215/cjn.04891107] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND OBJECTIVES Although acute kidney injury is common and significantly increases the risk for intensive care unit and hospital mortality, little is known about its true incidence or how it can be prevented. Furthermore, key unanswered questions remain about the optimal diagnosis and treatment of patients with acute kidney injury. An international, consensus-based, prioritized research agenda was sought to guide clinical and translational research in acute kidney injury. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS A three-step modified Delphi process involving 43 participants representing 19 professional societies, organizations, and multiple stakeholder groups ranging from clinical practice to basic science research was conducted. RESULTS Twenty research questions were generated across six focus groups. Overall, research priorities generated from nephrologists and intensivists were similar and highly correlated. The stakeholder groups included members from 15 countries. Results from adult and pediatric groups showed important differences, as did results from developing compared with developed countries; however the priority rankings from the developed and developing countries were significantly correlated. Top research priorities in acute kidney injury include determining optimal timing of renal replacement therapy and improving the understanding of the epidemiology of acute kidney injury around the world. CONCLUSIONS Research recommendations that are highly consistent across various stakeholder groups and between developed and developing countries have been produced. It is hoped that these recommendations will prove valuable in guiding future clinical and translational research in this area.
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Shah SV, Feehally J. The third World Kidney Day: looking back and thinking forward. Nephrol Dial Transplant 2008; 23:471-3. [PMID: 18184722 DOI: 10.1093/ndt/gfm854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Shah SV, Feehally J. The third World Kidney Day: looking back and thinking forward. J Nephrol 2008; 21:1-5. [PMID: 18264928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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Shah SV, Feehally J. The third World Kidney Day: looking back and thinking forward. NATURE CLINICAL PRACTICE. NEPHROLOGY 2008; 4:1. [PMID: 18094724 DOI: 10.1038/ncpneph0702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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Bagga A, Bakkaloglu A, Devarajan P, Mehta RL, Kellum JA, Shah SV, Molitoris BA, Ronco C, Warnock DG, Joannidis M, Levin A. Improving outcomes from acute kidney injury: report of an initiative. Pediatr Nephrol 2007; 22:1655-8. [PMID: 17665221 DOI: 10.1007/s00467-007-0565-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2007] [Accepted: 05/29/2007] [Indexed: 10/23/2022]
Abstract
Acute kidney injury (AKI) is a clinical condition characterized by acute decline in renal function, with manifestations ranging from minimal elevation of serum creatinine concentration to anuric renal failure. Keeping in view that acquisition of knowledge and research in this important area requires multi-disciplinary collaboration, a group representing members of the Acute Dialysis Quality Initiative and nephrology and critical care societies has established the Acute Kidney Injury Network (AKIN). The First Consensus Conference of this network focused on defining diagnostic and staging criteria for AKI. Changes in serum creatinine levels and urine output were used to define and stage three levels of renal dysfunction. These criteria require evaluation and validation in prospective clinical studies and, perhaps, modifications as more sensitive markers of kidney injury are identified. Other issues that need to be examined include global epidemiology and outcome of AKI and development of strategies to improve outcomes. The vital role of multi-disciplinary conferences for disseminating knowledge and clarifying issues in clinical practice was recognized.
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Abstract
Nephrogenic systemic fibrosis is a new disorder reported almost exclusively in patients who have renal insufficiency and are exposed to contrast media formulated with gadolinium. High morbidity and mortality are associated with this severely disabling and painful condition. The acute phase begins upon exposure to gadolinium contrast media, characterized by a systemic inflammatory response involving iron mobilization, and then as a progressive, chronic phase in which fibrosis develops. Proposed is a unifying model of cumulative risk factors in which the interplay of systemic inflammation and stimulated hematopoietic environment associated with hyperparathyroidism and erythropoietin may tie to a common pathogenic mechanism of fibrogenesis. Because there are no uniformly effective interventions to treat nephrogenic systemic fibrosis other than successful renal transplantation, prevention by avoiding gadolinium contrast media in patients with chronic kidney disease is vital. On the basis of suspected pathogenesis, it is also reasonable to limit erythropoietin and iron therapy to dosages ensuring recommended targets and adequately control hyperparathyroidism. Herein is reviewed what is currently known about this subject.
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Apostolov EO, Wang X, Shah SV, Basnakian AG. Role of EndoG in development and cell injury. Cell Death Differ 2007; 14:1971-4. [PMID: 17762883 DOI: 10.1038/sj.cdd.4402217] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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