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Yoo KD, Cha R, Lee S, Kim JE, Kim KH, Lee JS, Kim DK, Kim YS, Yang SH. Chemokine receptor 5 blockade modulates macrophage trafficking in renal ischaemic-reperfusion injury. J Cell Mol Med 2020; 24:5515-5527. [PMID: 32227583 PMCID: PMC7214177 DOI: 10.1111/jcmm.15207] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 02/01/2020] [Accepted: 03/06/2020] [Indexed: 01/19/2023] Open
Abstract
Chemokine receptor 5 (CCR5) is a pivotal regulator of macrophage trafficking in the kidneys in response to an inflammatory cascade. We investigated the role of CCR5 in experimental ischaemic-reperfusion injury (IRI) pathogenesis. To establish IRI, we clamped the bilateral renal artery pedicle for 30 min and then reperfused the kidney. We performed adoptive transfer of lipopolysaccharide (LPS)-treated RAW 264.7 macrophages following macrophage depletion in mice. B6.CCR5-/- mice showed less severe IRI based on tubular epithelial cell apoptosis than did wild-type mice. CXCR3 expression in CD11b+ cells and inducible nitric oxide synthase levels were more attenuated in B6.CCR5-/- mice. B6.CCR5-/- mice showed increased arginase-1 and CD206 expression. Macrophage-depleted wild-type mice showed more injury than B6.CCR5-/- mice after M1 macrophage transfer. Adoptive transfer of LPS-treated RAW 264.7 macrophages reversed the protection against IRI in wild-type, but not B6.CCR5-/- mice. Upon knocking out CCR5 in macrophages, migration of bone marrow-derived macrophages from wild-type mice towards primary tubular epithelial cells with recombinant CCR5 increased. Phospho-CCR5 expression in renal tissues of patients with acute tubular necrosis was increased, showing a positive correlation with tubular inflammation. In conclusion, CCR5 deficiency favours M2 macrophage activation, and blocking CCR5 might aid in treating acute kidney injury.
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Affiliation(s)
- Kyung Don Yoo
- Department of Internal MedicineUlsan University HospitalUniversity of Ulsan College of MedicineUlsanKorea
| | - Ran‐hui Cha
- Department of Internal MedicineNational Medical CenterSeoulKorea
| | - Sunhwa Lee
- Department of Internal MedicineKangwon National University HospitalChuncheonKorea
- Department of Biomedical SciencesCollege of MedicineSeoul National UniversitySeoulKorea
| | - Ji Eun Kim
- Department of Internal MedicineKorea University Guro HospitalSeoulKorea
| | - Kyu Hong Kim
- Department of Biomedical SciencesCollege of MedicineSeoul National UniversitySeoulKorea
| | - Jong Soo Lee
- Department of Internal MedicineUlsan University HospitalUniversity of Ulsan College of MedicineUlsanKorea
| | - Dong Ki Kim
- Department of Internal MedicineSeoul National University HospitalSeoulKorea
- Department of Internal MedicineSeoul National University College of MedicineSeoulKorea
- Kidney Research InstituteSeoul National UniversitySeoulKorea
| | - Yon Su Kim
- Department of Biomedical SciencesCollege of MedicineSeoul National UniversitySeoulKorea
- Department of Internal MedicineSeoul National University HospitalSeoulKorea
- Department of Internal MedicineSeoul National University College of MedicineSeoulKorea
- Kidney Research InstituteSeoul National UniversitySeoulKorea
- Biomedical Research InstituteSeoul National University HospitalSeoulKorea
| | - Seung Hee Yang
- Kidney Research InstituteSeoul National UniversitySeoulKorea
- Biomedical Research InstituteSeoul National University HospitalSeoulKorea
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Shi C, Li Q, Zou L, Lv Z, Yuan A, Zhao Q. A Single-Anion-Based Red-Emitting Cationic Diiridium(III) Complex Bearing a Pyrimidine-Based Bridging Ligand for Oxygen Sensing. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800004] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Chao Shi
- School of Environmental and Chemical Engineering; Jiangsu University of Science and Technology; 212003 Zhenjiang P. R. China
- School of Material Science and Engineering; Jiangsu University of Science and Technology; 212003 Zhenjiang P. R. China
| | - Qiuxia Li
- School of Material Science and Engineering; Jiangsu University of Science and Technology; 212003 Zhenjiang P. R. China
| | - Liang Zou
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM); Nanjing University of Posts and Telecommunications (NUPT); 210023 Nanjing P. R. China
| | - Zhuang Lv
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM); Nanjing University of Posts and Telecommunications (NUPT); 210023 Nanjing P. R. China
| | - Aihua Yuan
- School of Environmental and Chemical Engineering; Jiangsu University of Science and Technology; 212003 Zhenjiang P. R. China
| | - Qiang Zhao
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM); Nanjing University of Posts and Telecommunications (NUPT); 210023 Nanjing P. R. China
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Yu Q, Huang T, Li Y, Wei H, Liu S, Huang W, Du J, Zhao Q. Rational design of a luminescent nanoprobe for hypoxia imaging in vivo via ratiometric and photoluminescence lifetime imaging microscopy. Chem Commun (Camb) 2018; 53:4144-4147. [PMID: 28352914 DOI: 10.1039/c7cc00668c] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A luminescent nanoprobe has been designed for detection of oxygen. The nanoprobe exhibits high sensitivity, selectivity and excellent reversibility, and has been employed for hypoxia imaging in vitro and in vivo by ratiometric and photoluminescence lifetime imaging techniques.
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Affiliation(s)
- Qi Yu
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China.
| | - Tianci Huang
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China.
| | - Yipeng Li
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China.
| | - Huanjie Wei
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China.
| | - Shujuan Liu
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China.
| | - Wei Huang
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China. and Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing 211816, P. R. China.
| | - Jing Du
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China.
| | - Qiang Zhao
- Key Laboratory for Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, P. R. China.
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Lin N, Simon MC. Hypoxia-inducible factors: key regulators of myeloid cells during inflammation. J Clin Invest 2016; 126:3661-3671. [PMID: 27599290 DOI: 10.1172/jci84426] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Hypoxia is a prominent characteristic of many acute or chronic inflammatory diseases, and exerts significant influence on their progression. Macrophages and neutrophils are major cellular components of innate immunity and contribute not only to O2 deprivation at the site of inflammation, but also alter many of their functions in response to hypoxia to either facilitate or suppress inflammation. Hypoxia stabilizes HIF-αs in macrophages and neutrophils, and these O2-sensitive transcription factors are key regulators of inflammatory responses in myeloid cells. In this review, we will summarize our current understanding of the role of HIF-αs in shaping macrophage and neutrophil functions in the pathogenesis and progression of multiple inflammatory diseases.
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Ferenbach DA, Bonventre JV. Acute kidney injury and chronic kidney disease: From the laboratory to the clinic. Nephrol Ther 2016; 12 Suppl 1:S41-8. [PMID: 26972097 DOI: 10.1016/j.nephro.2016.02.005] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chronic kidney disease and acute kidney injury have traditionally been considered as separate entities with different etiologies. This view has changed in recent years, with chronic kidney disease recognized as a major risk factor for the development of new acute kidney injury, and acute kidney injury now accepted to lead to de novo or accelerated chronic and end stage kidney diseases. Patients with existing chronic kidney disease appear to be less able to mount a complete 'adaptive' repair after acute insults, and instead repair maladaptively, with accelerated fibrosis and rates of renal functional decline. This article reviews the epidemiological studies in man that have demonstrated the links between these two processes. We also examine clinical and experimental research in areas of importance to both acute and chronic disease: acute and chronic renal injury to the vasculature, the pericyte and leukocyte populations, the signaling pathways implicated in injury and repair, and the impact of cellular stress and increased levels of growth arrested and senescent cells. The importance and therapeutic potential raised by these processes for acute and chronic injury are discussed.
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Affiliation(s)
- David A Ferenbach
- Renal Division and Biomedical Engineering Division, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA; Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Joseph V Bonventre
- Renal Division and Biomedical Engineering Division, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA; Harvard-Massachusetts Institute of Technology, Division of Health Sciences and Technology, Cambridge, Massachusetts, USA; Harvard Stem Cell Institute, Cambridge, Massachusetts, USA.
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Ding F, Li Y, Liu J, Liu L, Yu W, Wang Z, Ni H, Liu B, Chen P. Overendocytosis of gold nanoparticles increases autophagy and apoptosis in hypoxic human renal proximal tubular cells. Int J Nanomedicine 2014; 9:4317-30. [PMID: 25246788 PMCID: PMC4168869 DOI: 10.2147/ijn.s68685] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Background Gold nanoparticles (GNPs) can potentially be used in biomedical fields ranging from therapeutics to diagnostics, and their use will result in increased human exposure. Many studies have demonstrated that GNPs can be deposited in the kidneys, particularly in renal tubular epithelial cells. Chronic hypoxic is inevitable in chronic kidney diseases, and it results in renal tubular epithelial cells that are susceptible to different types of injuries. However, the understanding of the interactions between GNPs and hypoxic renal tubular epithelial cells is still rudimentary. In the present study, we characterized the cytotoxic effects of GNPs in hypoxic renal tubular epithelial cells. Results Both 5 nm and 13 nm GNPs were synthesized and characterized using various biophysical methods, including transmission electron microscopy, dynamic light scattering, and ultraviolet–visible spectrophotometry. We detected the cytotoxicity of 5 and 13 nm GNPs (0, 1, 25, and 50 nM) to human renal proximal tubular cells (HK-2) by Cell Counting Kit-8 assay and lactate dehydrogenase release assay, but we just found the toxic effect in the 5 nm GNP-treated cells at 50 nM dose under hypoxic condition. Furthermore, the transmission electron microscopy images revealed that GNPs were either localized in vesicles or free in the lysosomes in 5 nm GNPs-treated HK-2 cells, and the cellular uptake of the GNPs in the hypoxic cells was significantly higher than that in normoxic cells. In normoxic HK-2 cells, 5 nm GNPs (50 nM) treatment could cause autophagy and cell survival. However, in hypoxic conditions, the GNP exposure at the same condition led to the production of reactive oxygen species, the loss of mitochondrial membrane potential (ΔΨM), and an increase in apoptosis and autophagic cell death. Conclusion/significance Our results demonstrate that renal tubular epithelial cells presented different responses under normoxic and hypoxic environments, which provide an important basis for understanding the risks associated with GNP use–especially for the potential GNP-related therapies in chronic kidney disease patients.
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Affiliation(s)
- Fengan Ding
- School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Yiping Li
- School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Jing Liu
- School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Lei Liu
- School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Wenmin Yu
- School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Zhi Wang
- School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Haifeng Ni
- Institute of Nephrology, The Affiliated Zhongda Hospital, Southeast University, Nanjing, People's Republic of China
| | - Bicheng Liu
- Institute of Nephrology, The Affiliated Zhongda Hospital, Southeast University, Nanjing, People's Republic of China
| | - Pingsheng Chen
- School of Medicine, Southeast University, Nanjing, People's Republic of China ; Institute of Nephrology, The Affiliated Zhongda Hospital, Southeast University, Nanjing, People's Republic of China
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Cao Q, Wang Y, Harris DCH. Pathogenic and protective role of macrophages in kidney disease. Am J Physiol Renal Physiol 2013; 305:F3-11. [PMID: 23637206 DOI: 10.1152/ajprenal.00122.2013] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Macrophages (MΦ) are located throughout kidney tissue, where they play important roles in homeostasis, surveillance, tolerance, and cytoprotection. MΦ are highly heterogeneous cells and exhibit distinct phenotypic and functional characteristics depending on their microenvironment and the disease type and stage. Recent studies have identified a dual role for MΦ in several murine models of kidney disease. In this review, we discuss the pathogenic and protective roles of the various MΦ subsets in experimental and human kidney diseases and summarize current progress toward the therapeutic use of MΦ in kidney diseases.
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Affiliation(s)
- Qi Cao
- Centre for Transplantation and Renal Research, Westmead Millennium Institute, University of Sydney, Darcy Rd., Westmead, Sydney, NSW, Australia.
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Yu TM, Wen MC, Li CY, Cheng CH, Wu MJ, Chen CH, Shu KH. Expression of hypoxia-inducible factor-1α (HIF-1α) in infiltrating inflammatory cells is associated with chronic allograft dysfunction and predicts long-term graft survival. Nephrol Dial Transplant 2012; 28:659-70. [PMID: 23028107 DOI: 10.1093/ndt/gfs377] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND In chronic kidney failure, a hypoxic state, infiltrating inflammatory cells play a crucial role in the progression to end-stage renal disease. No studies have evaluated the influence of hypoxia and infiltrating inflammatory cells on chronic allograft dysfunction. METHODS Renal transplant recipients who underwent renal allograft biopsy with interstitial fibrosis/tubular atrophy (IF/TA) were enrolled and renal allograft tissue sections were processed for immunohistochemical staining including hypoxia-inducible factor-1α (HIF-1α), nitrotyrosine, α-smooth muscle actin and e-cadherin. Patients with total renal tissue HIF score ≥1 were defined as positive for HIF-1α. To assess the phenotype of the infiltrating cells, dual staining of HIF-1α with CD45, CD68 and CD3 was performed. The correlation between HIF-1α score and Banff's score was analysed. Clinical parameters including renal survival among patients with or without an expression of HIF-1α were compared. RESULTS Out of 55 patients enrolled, 23 patients (41.8%) had an HIF-1α score ≥1 (Group B). Compared with Group A (total renal HIF score <1), Group B had a significantly higher Banff score of interstitial infiltrates (i) (P = 0.029), vascular fibrous intimal thickening (cv) (P = 0.007) and arteriolar hyaline thickening (ah) (P = 0.026). Clinically, patients with an HIF-1α score were associated with a poor graft survival. Significantly inferior allograft survival was noted in Group B. HIF scores had an adjusted hazard ratio of 3.25 (95% confidence inteval: 1.71-6.16, P = 0.0003) in allograft failure. CONCLUSIONS We first demonstrated the expression of HIF-1α protein among infiltrating inflammatory cells in areas with IF/TA in patients with chronic allograft dysfunction.
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[Imaging and renal failure: from inflammation to fibrosis]. ACTA ACUST UNITED AC 2011; 92:323-35. [PMID: 21549888 DOI: 10.1016/j.jradio.2011.02.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Accepted: 02/25/2011] [Indexed: 11/22/2022]
Abstract
Multiple chronic renal diseases evolve to end-stage kidney disease due to progressive renal tissue fibrosis at the level of the interstitium or glomeruli. Fibrosis often results from transformation of the extracellular matrix by cytokines and chemokines released by activated cells in the setting of recurrent episodes of acute inflammation. Newer techniques to image intrarenal inflammation and fibrosis are mandatory for the non-invasive evaluation of these processes to improve follow-up and monitoring of drug therapy. These techniques are based on methods of cellular and molecular imaging, and methods of functional, such as diffusion weighted imaging, and structural, such as elastography.
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Guidi GC, Lechi Santonastaso C. Advancements in anemias related to chronic conditions. Clin Chem Lab Med 2011; 48:1217-26. [PMID: 20618092 DOI: 10.1515/cclm.2010.264] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Anemia of chronic disease (ACD), the most frequent anemia among hospitalized patients, occurs in chronic inflammatory disorders, such as chronic infections, cancer and autoimmune diseases. Different causes contribute to ACD including diversion of iron traffic, diminished erythropoiesis, blunted response to erythropoietin, erythrophagocytosis, hematologic malignancies and solid tumors. A particular case of ACD is represented by anemia of chronic kidney disease (CKD). ACD is characterized by hyposideremia and altered iron transport. Cytokines are implicated in the ACD by reducing erythropoiesis and increasing iron sequestration in the reticuloendothelial system. The regulation of iron absorption across the epithelium of the proximal small intestine is essential for maintaining body iron concentrations within a physiologically defined range. Hepcidin controls cellular iron efflux by binding to the iron export protein ferroportin, causing ferroportin to be phosphorylated and degraded in lysosomes. Finally, hepcidin inhibits iron release from the reticulo-endothelial system. Increased expression of hepcidin leads to decreased iron absorption and iron deficient anemia. Hepcidin, therefore, is a negative regulator of iron transport in plasma. Causes of anemia in patients with CKD are multifactorial, but the most well-known cause is inadequate erythropoietin production. In these patients, anemia increases the risk of either cardiovascular disease or renal failure.
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Affiliation(s)
- Gian Cesare Guidi
- Laboratory of Clinical Biochemistry, Department of Life and Reproduction Sciences, University of Verona, Verona, Italy.
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Grebe SO, Kuhlmann U, Fogl D, Luyckx VA, Mueller TF. Macrophage activation is associated with poorer long-term outcomes in renal transplant patients. Clin Transplant 2010; 25:744-54. [PMID: 20964718 DOI: 10.1111/j.1399-0012.2010.01345.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Long-term graft and patient survival after renal transplantation are largely determined by progression of chronic allograft dysfunction and cardiovascular disease. Inflammation plays a crucial role in both disease processes. We prospectively analyzed the association of early peri-transplant inflammatory burden on long-term outcomes in 144 consecutive deceased donor renal allograft recipients. Single time point and cumulative levels of markers of acute phase response (serum amyloid A [SAA] and C-reactive protein [SCRP]) and macrophage activation (serum and urine neopterin) were measured daily during the immediate post-operative period. Mean patient follow-up was 16 yr. Graft and patient survival rates at one-, five-, and 10-yr were 90%, 70%, and 51%, and 97%, 77%, and 59%, respectively. Graft loss occurred in 90 patients, of whom 71 died with a functioning graft and 19 returned to dialysis. CRP, SAA and neopterin (NEOP) levels were all elevated post-operatively. High levels of NEOP, in contrast to SAA or SCRP, were associated with poorer graft and patient survival (p < 0.05), specifically with death from cardiovascular events and cytomegalovirus IgG positivity. These findings strongly suggest that early post-transplant macrophage activation, as reflected by NEOP levels, is associated with poorer long-term graft and patient survival.
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Affiliation(s)
- Scott O Grebe
- Department of Nephrology, Clinic of Internal Medicine, Helios-Kliniken Wuppertal, University of Witten-Herdecke, Witten, Germany
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