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acute graft rejection

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https://www.readbyqxmd.com/read/28643491/association-of-foxp3-polymorphism-with-allograft-outcome-in-kidney-transplantation
#1
Hyewon Park, Nuri Lee, Ji Won In, Eun Youn Roh, Kyoung Un Park, Sue Shin, Jaeseok Yang, Eun Young Song
BACKGROUND: Forkhead box P3 (Foxp3) is the most reliable marker for regulatory T cells, which play an important role in maintaining renal allograft tolerance. Recently, Foxp3 polymorphisms have been reported to be associated with graft outcome in kidney transplantation. We analyzed the association of Foxp3 polymorphisms with renal allograft outcome. METHODS: Foxp3 polymorphisms (rs3761548 A/C, rs2280883 C/T, rs5902434 del/ATT, and rs2232365 A/G) were tested by PCR with sequence-specific primers (PCR-SSP) in 231 adult kidney transplantation recipients from 1996-2004 at Seoul National University Hospital...
September 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28640530/how-does-age-affect-the-outcome-of-kidney-transplantation-in-elderly-recipients
#2
Flavia Neri, Lucrezia Furian, Francesco Cavallin, Matteo Ravaioli, Cristina Silvestre, Paola Donato, Gaetano La Manna, Antonio Daniele Pinna, Paolo Rigotti
The aging of the on-dialysis population raises the issue of whether to propose elderly patients for kidney transplantation and how to manage their immunosuppression. This study aims to analyze the outcome of kidney transplantation on an Italian series of elderly recipients. We included in this retrospective study all patients over 60 years, receiving a deceased-donor kidney transplantation from January 2004 to December 2014 in two north Italian Centers. We analyzed the correlation of recipient age with graft's and patient's survival, delayed graft function (DGF), acute cellular rejection (ACR), surgical complications, infections and glomerular filtration rate (GFR)...
June 22, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28638610/looking-for-the-needle-in-the-kidney-transplantation-haystack
#3
Josep M Cruzado, Edoardo Melilli
The diagnosis of acute rejection still relies on renal allograft biopsy. In fact, histological features including C4d staining can be useful to differentiate cellular and antibody-mediated acute rejection. However, the pathogenic mechanism to define the type of rejection is usually assessed by anti-HLA donor specific antibodies (DSA) monitoring. Suspicion of acute rejection is usually based on renal function deterioration. This method has low sensitivity. Moreover, creatinine increase follows graft injury and therefore the diagnosis is performed when there is an ongoing acute rejection...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28636627/plasma-cell-neoplasia-after-kidney-transplantation-french-cohort-series-and-review-of-the-literature
#4
Raphaël Kormann, Hélène François, Thibault Moles, Jacques Dantal, Nassim Kamar, Karine Moreau, Thomas Bachelet, Anne-Elisabeth Heng, Antoine Garstka, Charlotte Colosio, Didier Ducloux, Johnny Sayegh, Benjamin Savenkoff, Denis Viglietti, Rebecca Sberro, Eric Rondeau, Julie Peltier
Although post-transplant lymphoproliferative disorder (PTLD) is the second most common type of cancer in kidney transplantation (KT), plasma cell neoplasia (PCN) occurs only rarely after KT, and little is known about its characteristics and evolution. We included twenty-two cases of post-transplant PCN occurring between 1991 and 2013. These included 12 symptomatic multiple myeloma, eight indolent myeloma and two plasmacytomas. The median age at diagnosis was 56.5 years and the median onset after transplantation was 66...
2017: PloS One
https://www.readbyqxmd.com/read/28634772/the-effect-of-desensitization-therapy-in-kidney-transplantation
#5
Yong Chul Kim, Mi-Yeon Yu, Jung Pyo Lee, Hajeong Lee, Sang-Il Min, Jongwon Ha, Yon Su Kim
BACKGROUND: Desensitization therapy may enable the patient to get allograft in sensitized recipient or solve the organ shortage in ABO-incompatible relationship in kidney transplantation (KT). However, the graft outcome and morbidity remains unclear. METHODS: We retrospectively analyzed 845 KT patients from January 2010 to February 2016 at Seoul National University Hospital. The patients were divided into three groups as follows: HLA-incompatible (HLAi) group, ABO-incompatible (ABOi) group, and control group...
June 20, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28631715/-concurrence-of-acute-graft-rejection-and-polyomavirus-nephropathy-a-clinical-case
#6
Yu G Motin, O V Omelchenko, T P Bukiy, N P Bgatova, A Yu Gryzlov
The paper describes a case of diagnosing acute renal graft rejection concurrent with polyomavirus nephropathy. Histochemical and electron microscopic methods were used to examine biopsy specimens, which showed morphological changes occurring in the allograft, the ultrastructural characteristics of polyomavirus and the features of its spread in kidney tissue structures.
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28626871/a-successful-living-donor-liver-re-transplantation-for-graft-failure-within-seven-days-due-to-acute-de-novo-donor-specific-anti-hla-antibody-mediated-rejection
#7
Yohei Yamada, Ken Hoshino, Teisaburo Mori, Miho Kawaida, Kiyotomo Abe, Hideo Ishihama, Takahiro Shimizu, Nobuhiro Takahashi, Kentaro Matsubara, Taizo Hibi, Yuta Abe, Hiroshi Yagi, Naoki Shimojima, Masahiro Shinoda, Minoru Kitago, Hideaki Obara, Yasushi Fuchimoto, Kaori Kameyama, Yuko Kitagawa, Tatsuo Kuroda
Growing evidence suggests a relationship between antibody-mediated rejection (AMR) and early graft failure due to a previously unknown etiology in liver transplantation (LTx). We herein report a three-year-old boy who developed rapid graft failure due to de novo donor-specific antibody (DSA)-driven AMR a week after living donor LTx, requiring a second transplant on the 10th day after the first LTx. The pathology of the first graft showed massive necrosis in zone 3 along with positive C4d and inflammatory cell infiltrates in portal areas...
June 19, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28626416/multiquadrant-subtenon-triamcinolone-injection-for-acute-corneal-graft-rejection-a-case-report
#8
Sunali Goyal, Sami H Uwaydat
BACKGROUND: We report a case of reversal of an acute corneal graft rejection following multiquadrant subtenon triamcinolone injection. CASE PRESENTATION: A 19-year-old woman who had acute corneal graft rejection failed to show resolution of the graft rejection after standard treatment with systemic, intravenous, and topical steroids. The graft rejection, however, responded to injection of triamcinolone in multiple subtenon quadrants. CONCLUSIONS: For corneal graft rejection, multiquadrant subtenon triamcinolone injections may be a safe adjunct to systemic treatment...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28625949/discussion-on-the-risk-factors-of-developing-cardiovascular-diseases-cvd-after-the-kidney-transplantation
#9
Kai Wang, Qing-Shan Qu, Shu-Zhai Miao, Yanxuan Zhang, Xin Jing
To discuss the risk factors of developing cardiovascular disease (CVD) after the kidney transplantation. Retrospective analysis on the data of 1106 patients who had been underwent kidney allotransplantation in People's Hospital of Zhengzhou from July, 2010 to Dec, 2014 and conformed to the inclusion criteria was taken. Cox proportional hazard model was used to analyze the risk factors of developing CVD after the kidney transplantation. 7 days, 1 month, 3 months, 6 months and 12 months before and after the operation, the data collection and following-up visits were respectively arranged...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28624139/applying-rigor-and-reproducibility-standards-to-assay-donor-derived-cell-free-dna-as-a-non-invasive-method-for-detection-of-acute-rejection-and-graft-injury-after-heart-transplantation
#10
Sean Agbor-Enoh, Ilker Tunc, Iwijn De Vlaminck, Ulgen Fideli, Andrew Davis, Karen Cuttin, Kenneth Bhatti, Argit Marishta, Michael A Solomon, Annette Jackson, Grace Graninger, Bonnie Harper, Helen Luikart, Jennifer Wylie, Xujing Wang, Gerald Berry, Charles Marboe, Kiran Khush, Jun Zhu, Hannah Valantine
BACKGROUND: Use of new genomic techniques in clinical settings requires that such methods are rigorous and reproducible. Previous studies have shown that quantitation of donor-derived cell-free DNA (%ddcfDNA) by unbiased shotgun sequencing is a sensitive, non-invasive marker of acute rejection after heart transplantation. The primary goal of this study was to assess the reproducibility of %ddcfDNA measurements across technical replicates, manual vs automated platforms, and rejection phenotypes in distinct patient cohorts...
May 20, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28624055/sevoflurane-preconditioning-protects-from-posttransplant-injury-in-mouse-lung-transplantation
#11
Yoshito Yamada, Isabelle Laube, Jae-Hwi Jang, John M Bonvini, Ilhan Inci, Walter Weder, Beatrice Beck Schimmer, Wolfgang Jungraithmayr
BACKGROUND: Although sevoflurane (Sevo) had been shown to ameliorate posttransplant injury in various organs, data available are inconsistent, particularly in the context of lung transplantation (Tx). We here investigated if preconditioning by Sevo can protect from posttransplant injury regarding both, primary graft dysfunction (PGD) and acute rejection (AR) after experimental lung Tx, thereby focusing on two important clinical outcome parameters. MATERIALS AND METHODS: Three experimental approaches were used: (1) BALB/c mice were preconditioned for 2 h with Sevo or a fentanyl cocktail (Control; n = 10); (2) syngeneic (Syn) mouse lung Tx (C57BL/6) with a Sevo-preconditioned graft followed by 18 h storage to mimic PGD (Syn-Tx, n = 12) versus controls (fentanyl cocktail); and (3) allogeneic (Allo) Tx (BALB/c, donor; C57BL/6, recipient) to mimic AR (Allo-Tx, n = 12) versus controls (fentanyl cocktail)...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28621156/pilot-study-use-of-contrast-enhanced-ultrasonography-in-feline-renal-transplant-recipients
#12
Esther H Greenbarg, David A Jiménez, Lucas A Nell, Chad W Schmiedt
Objectives The study aims were to evaluate the feasibility of contrast-enhanced ultrasonography in feline renal transplant recipients in the post-transplantation period and to report findings in a case with presumptive delayed allograft ischemia. Methods Cats were imaged postoperatively using contrast harmonic ultrasonography after a bolus injection of a microbubble contrast medium. Time/mean pixel intensity curves were generated for cortical and medullary regions of interest in the renal allograft in each cat...
June 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28611987/complement-in-kidney-transplantation
#13
REVIEW
Marek Cernoch, Ondrej Viklicky
The complement system is considered to be an important part of innate immune system with a significant role in inflammation processes. The activation can occur through classical, alternative, or lectin pathway, resulting in the creation of anaphylatoxins C3a and C5a, possessing a vast spectrum of immune functions, and the assembly of terminal complement cascade, capable of direct cell lysis. The activation processes are tightly regulated; inappropriate activation of the complement cascade plays a significant role in many renal diseases including organ transplantation...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28609473/a-delicate-balance-between-rejection-and-bk-polyomavirus-associated-nephropathy-a-retrospective-cohort-study-in-renal-transplant-recipients
#14
Lilli Gard, Willem van Doesum, Hubert G M Niesters, Willem J van Son, Arjan Diepstra, Coen A Stegeman, Henk Groen, Annelies Riezebos-Brilman, Jan Stephan Sanders
BACKGROUND: The immunosuppressive agents mycophenolate acid (MPA) and tacrolimus (Tac) are associated with a higher incidence of BK polyomavirus nephropathy (BKPyVAN). In this observational retrospective cohort study, the frequency of BK polyomavirus (BKPyV) complications over a 24-month period was studied. METHODS: 358 renal transplant recipients (RTR) treated with MPA, with either cyclosporine A (CsA) (CsAM group) or Tac (TacM group) and mostly prednisolone, were included...
2017: PloS One
https://www.readbyqxmd.com/read/28605781/everolimus-with-cyclosporine-withdrawal-or-low-exposure-cyclosporine-in-kidney-transplantation-from-month-3-a-multicentre-randomized-trial
#15
Klemens Budde, Martin Zeier, Oliver Witzke, Wolfgang Arns, Frank Lehner, Markus Guba, Johannes Jacobi, Volker Kliem, Petra Reinke, Ingeborg A Hauser, Bruno Vogt, Rolf Stahl, Thomas Rath, Michael Duerr, Eva-Maria Paulus, Christoph May, Martina Porstner, Claudia Sommerer
Background.: Randomized trials have shown that early adoption of everolimus-based immunosuppressive regimens without a calcineurin inhibitor (CNI) improves long-term kidney graft function, but the optimal strategy for CNI minimization remains uncertain. Methods.: In a prospective, randomized, multicentre, 12-month trial, 499 de novo kidney transplant patients were randomized at Month 3 to (i) remain on standard CNI (cyclosporine) therapy with mycophenolic acid, (ii) convert to everolimus with mycophenolic acid or (iii) start everolimus with reduced CNI and no mycophenolic acid (clinical trials registry: ClinicalTrials...
June 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28600850/eight-year-follow-up-in-pediatric-living-donor-kidney-recipients-receiving-alemtuzumab-induction
#16
Michael M Kaabak, Nadeen N Babenko, Ron Shapiro, Alexey A Maschan, Allan K Zokoev, Stanislav V Schekaturov, Julia N Vyunkova, Olga V Dymova
Recipient lymphocytes are crucial for direct and indirect pathways of allorecognition. We proposed that the administration of alemtuzumab several weeks pretransplantation could eradicate peripheral lymphatic cells and promote donor-specific acceptance. This was a single-center, retrospective review of 101 consecutive living donor kidney transplantations in pediatric patients (age 7 months-18 years), performed between September 2006 and April 2010. IS protocol included two 30 mg doses of alemtuzumab: The first was given 12-29 days prior to transplantation, and the second at the time of transplantation...
June 10, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28594748/inhibition-of-spleen-tyrosine-kinase-reduces-renal-allograft-injury-in-a-rat-model-of-acute-antibody-mediated-rejection-in-sensitized-recipients
#17
Sharmila Ramessur Chandran, Yingjie Han, Greg H Tesch, Julie Di Paolo, William R Mulley, John Kanellis, Frank Y Ma, David J Nikolic-Paterson
BACKGROUND: Organ transplantation into sensitized patients with preexisting donor-specific antibodies (DSA) is very challenging. Spleen tyrosine kinase (Syk) promotes leukocyte recruitment and activation via signalling through various cell surface receptors. We investigated whether a selective Syk inhibitor (GS-492429) could suppress antibody-mediated rejection (AMR) in a rat model of AMR in sensitized recipients. METHODS: Recipient Lewis rats (RT1) were immunized with donor (Dark Agouti, RT1) spleen cells (day -5)...
June 7, 2017: Transplantation
https://www.readbyqxmd.com/read/28588018/outcome-of-children-with-acute-leukemia-given-hla-haploidentical-hsct-after-%C3%AE-%C3%AE-t-cell-and-b-cell-depletion
#18
Franco Locatelli, Pietro Merli, Daria Pagliara, Giuseppina Li Pira, Michela Falco, Daniela Pende, Roberto Rondelli, Barbarella Lucarelli, Letizia Pomponia Brescia, Riccardo Masetti, Giuseppe Maria Milano, Valentina Bertaina, Mattia Algeri, Rita Maria Pinto, Luisa Strocchio, Raffaella Meazza, Lavinia Grapulin, Rupert Handgretinger, Alessandro Moretta, Alice Bertaina, Lorenzo Moretta
Allogeneic hematopoietic stem cell transplantation (HSCT) from an HLA-haploidentical relative (haplo-HSCT) is a suitable option for children with acute leukemia (AL) either relapsed or at high-risk of treatment failure. We developed a novel method of graft manipulation based on negative depletion of αβ T and B cells and conducted a prospective trial evaluating the outcome of children with AL transplanted with this approach (ClinicalTrial.gov identifier: NCT01810120). Eighty AL children, transplanted between September 2011 and September 2014, were enrolled in the trial...
June 6, 2017: Blood
https://www.readbyqxmd.com/read/28587616/a-double-blind-randomised-controlled-investigation-into-the-efficacy-of-mirococept-apt070-for-preventing-ischaemia-reperfusion-injury-in-the-kidney-allograft-empirikal-study-protocol-for-a-randomised-controlled-trial
#19
Theodoros Kassimatis, Anass Qasem, Abdel Douiri, Elizabeth G Ryan, Irene Rebollo-Mesa, Laura L Nichols, Roseanna Greenlaw, Jonathon Olsburgh, Richard A Smith, Steven H Sacks, Martin Drage
BACKGROUND: Delayed graft function (DGF) is traditionally defined as the requirement for dialysis during the first week after transplantation. DGF is a common complication of renal transplantation, and it negatively affects short- and long-term graft outcomes. Ischaemia reperfusion injury (IRI) is a prime contributor to the development of DGF. It is well established that complement system activation plays a pivotal role in the pathogenesis of IRI. Mirococept is a highly effective complement inhibitor that can be administered ex vivo to the donor kidney just before transplantation...
June 6, 2017: Trials
https://www.readbyqxmd.com/read/28586044/noninvasive-detection-of-acute-renal-allograft-rejection-by-measurement-of-soluble-tim-3-in-urine
#20
Dajin Chen, Wenhan Peng, Hong Jiang, Hao Yang, Jianyong Wu, Huiping Wang, Jianghua Chen
The purpose of the present study was to assess whether urinary soluble T-cell immunoglobulin and mucin domain-containing protein 3 (sTim-3) could be adopted as a novel non‑invasive biomarker for acute rejection (AR) following renal transplantation. A total of 156 patients were enrolled between January 2006 and December 2009, comprising 49 patients with biopsy‑proven AR, 58 patients with stable grafts and no abnormal histological findings (NO‑AR), 10 patients with subclinical rejection (SCR) in protocol biopsies, 10 patients with acute tubular necrosis (ATN) and 29 patients with chronic allograft nephropathy (CAN)...
July 2017: Molecular Medicine Reports
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