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Transplantation

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https://www.readbyqxmd.com/read/27926596/donor-genotype-and-intragraft-expression-of-cyp3a5-reflect-the-response-to-steroid-treatment-during-acute-renal-allograft-rejection
#1
N V Rekers, T M Flaig, M J K Mallat, M J Spruyt-Gerritse, M Zandbergen, J D H Anholts, I M Bajema, M C Clahsen-van Groningen, J Yang, J W de Fijter, F H J Claas, S Brakemeier, N Lachmann, R Kreutz, E de Heer, K Budde, J Bolbrinker, M Eikmans
BACKGROUND: Glucocorticoid-refractory acute rejection is a risk factor for inferior renal allograft outcome. We investigated genetic predisposition to the response to steroid treatment of acute allograft rejection. METHODS: Single nucleotide polymorphisms of genes involved in glucocorticoid signaling (GR, GLCCI1) and drug metabolism and transport (CYP3A5, ABCB1, and PXR) were analyzed in kidney transplant recipients (1995-2005, Leiden cohort, n=153) treated with methylprednisolone...
December 6, 2016: Transplantation
https://www.readbyqxmd.com/read/27926595/impact-of-skeletal-muscle-mass-index-intramuscular-adipose-tissue-content-and-visceral-to-subcutaneous-adipose-tissue-area-ratio-on-early-mortality-of-living-donor-liver-transplantation
#2
Yuhei Hamaguchi, Toshimi Kaido, Shinya Okumura, Atsushi Kobayashi, Hisaya Shirai, Shintaro Yagi, Naoko Kamo, Hideaki Okajima, Shinji Uemoto
BACKGROUND: Skeletal muscle depletion has been shown to be an independent risk factor for poor survival in various diseases. However, in surgery, the significance of other body components including visceral and subcutaneous adipose tissue remains unclear. METHODS: This retrospective study included 250 adult patients undergoing living donor liver transplantation (LDLT) between January 2008 and April 2015. Using preoperative plain CT imaging at the third lumbar vertebra level, skeletal muscle mass, muscle quality, and visceral adiposity were evaluated by the skeletal muscle mass index (SMI), intramuscular adipose tissue content (IMAC), and visceral to subcutaneous adipose tissue area ratio (VSR), respectively...
December 6, 2016: Transplantation
https://www.readbyqxmd.com/read/27926594/hepatic-epithelioid-hemangio-endothelioma-and-adult-liver-transplantation-proposal-for-a-prognostic-score-based-on-the-analysis-of-the-eltr-elita-registry
#3
Quirino Lai, Estelle Feys, Vincent Karam, Rene Adam, Jurgen Klempnauer, Martin Oliverius, Vincenzo Mazzaferro, Andreas Pascher, Piotr Remiszewski, Helena Isoniemi, Jacques Pirenne, Aksel Foss, Bo G Ericzon, Sasa Markovic, Jan Lerut
BACKGROUND: Hepatic epithelioid hemangio-endothelioma (HEHE) is a rare vascular tumor which has an intermediate aggressive behavior. Although the value of liver transplantation (LT) is well established, its place in the management of HEHE is still unclear. The aim of this study is to confirm, based on a very large patient cohort, the value of LT in the management of HEHE and to identify risk factors for post-LT recurrence. MATERIAL AND METHODS: the outcome of 149 transplant recipients with HEHE recorded in the European Liver Transplant Registry during the period November1984-May 2014 was analyzed...
December 6, 2016: Transplantation
https://www.readbyqxmd.com/read/27926593/cost-effectiveness-of-direct-acting-anti-viral-treatment-in-hepatitis-c-infected-liver-transplant-candidates-with-compensated-cirrhosis-and-hepatocellular-carcinoma
#4
James Salazar, Varun Saxena, James G Kahn, John P Roberts, Neil Mehta, Michael Volk, Jennifer C Lai
BACKGROUND: HCV(+) donors represent an effective strategy to increase liver donor availability to HCV-infected recipients. However, many HCV(+) transplant candidates are now receiving treatment with direct acting anti-virals (DAA) that lower the risk of posttransplant HCV recurrence but could make the patient ineligible for HCV(+) livers. METHODS: We compared pretransplant DAA treatment versus deferred DAA treatment using a cost-effectiveness decision analysis model to estimate incremental cost-effectiveness ratios (ICERs; cost per quality-adjusted life year [QALY] gained) from the societal perspective across a range of HCV(+) liver availability rates...
December 6, 2016: Transplantation
https://www.readbyqxmd.com/read/27918374/the-international-liver-transplant-society-ilts-living-donor-liver-transplant-recipient-guideline
#5
Charles M Miller, Cristiano Quintini, Anil Dhawan, Francois Durand, Julie K Heimbach, Leona Kim-Schluger, Eirini Kyrana, Sung-Gyu Lee, Jan Lerut, Chung-Mau Lo, Elizabeth Anne Pomfret
No abstract text is available yet for this article.
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27918373/fingering-a-natural-culprit-during-antibody-mediated-rejection
#6
Robert L Fairchild
No abstract text is available yet for this article.
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27918372/the-first-90-days-temporary-effect-of-alemtuzumab-on-cmv-immune-reconstitution
#7
Davide Abate
No abstract text is available yet for this article.
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906834/successful-continuation-of-hcv-treatment-following-liver-transplantation
#8
Carlos Fernández Carrillo, Gonzalo Crespo, Juan de la Revilla, Lluís Castells, Maria Buti, José Luis Montero, Emilio Fábrega, Inmaculada Fernández, Cristina Serrano-Millán, Victoria Hernández, José Luis Calleja, María-Carlota Londoño
BACKGROUND: Guidelines recommend that patients with hepatitis C virus (HCV)-related liver disease be treated for HCV before liver transplant (LT) to eliminate the virus prior to surgery. However, the unpredictability of donor organ availability may limit treatment duration. Interruption of HCV treatment with resumption post-LT is one potential solution which has not been investigated widely. METHODS: Patients from 5 clinical centres included in the large, national, noninterventional Hepa-C registry who started treatment with direct-acting antiviral agents (DAAs) while awaiting LT were identified retrospectively and followed up prospectively...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906833/message-from-the-editor
#9
Jeremy R Chapman
No abstract text is available yet for this article.
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906832/clinical-validation-of-simultaneous-analysis-of-tacrolimus-cyclosporine-a-and-creatinine-in-dried-blood-spots-in-kidney-transplant-patients
#10
Herman Veenhof, Remco A Koster, Jan-Willem C Alffenaar, Stefan P Berger, Stephan J L Bakker, Daan J Touw
BACKROUND: Monitoring of creatinine and immunosuppressive drug concentrations such as tacrolimus (TaC) and cyclosporin A (CsA) is important in the outpatient follow-up of kidney transplant recipients. Monitoring by Dried Blood Spot (DBS) provides patients the opportunity to sample a drop of blood from a fingerprick at home, which can be send to the laboratory by mail. METHODS: We performed a clinical validation in which we compared measurements from whole blood samples obtained by venapuncture with measurements from DBS samples simultaneously obtained by fingerprick...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906831/bos-is-associated-with-increased-cytotoxic-pro-inflammatory-cd8-t-nkt-like-and-nk-cells-in-the-small-airways
#11
Greg Hodge, Sandra Hodge, Aeneas Yeo, Phan Nguyen, Emily Hopkins, Holmes-Liew Cl, Paul N Reynolds, Mark Holmes
BACKGROUND: Immunosuppression therapy following lung transplantation fails to prevent bronchiolitis obliterans syndrome (BOS) in many patients, primarily a disease of the small airways. We have reported that BOS is associated with a lack of suppression of cytotoxic mediators, and pro-inflammatory cytokines, in peripheral blood T, NKT-like (particularly CD8+) and NK cells. We also showed a loss of glucocorticoid receptor (GCR) in pro-inflammatory lymphocytes following transplant. It is unknown whether these pro-inflammatory lymphocytes target the small and/or large airways in BOS...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906830/heterotopic-abdominal-rat-heart-transplantation-as-a-model-to-investigate-volume-dependency-of-myocardial-remodeling
#12
Kálmán Benke, Alex Ali Sayour, Csaba Mátyás, Bence Ágg, Balázs Tamás Németh, Attila Oláh, Mihály Ruppert, István Hartyánszky, Zoltán Szabolcs, Tamás Radovits, Béla Merkely, Gábor Szabó
Heterotopic abdominal rat heart transplantation has been extensively used to investigate ischemic/reperfusion injury, immunological consequences during heart transplantations and also to study remodeling of the myocardium due to volume unloading. We provide a unique review on the latter and present a summary of the experimental studies on rat heart transplantation to illustrate changes that occur to the myocardium due to volume unloading. We divided the literature based on whether normal or failing rat heart models were used...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906829/evidence-for-cd16a-mediated-nk-cell-stimulation-in-antibody-mediated-kidney-transplant-rejection
#13
Michael D Parkes, Philip F Halloran, Luis G Hidalgo
BACKGROUND: Natural killer (NK) cells localize in the microcirculation in antibody-mediated rejection (ABMR) and have been postulated to be activated by donor-specific anti-HLA antibodies triggering their CD16a Fc receptors. However, direct evidence for NK cell CD16a triggering in ABMR is lacking. We hypothesized that CD16a-inducible NK cell-selective transcripts would be expressed in human ABMR biopsies and would offer evidence for CD16a triggering. METHODS: We stimulated human NK cells through CD16a in vitro, characterized CD16a-inducible transcripts, and studied their expression in human kidney transplant biopsies with ABMR and in an extended human cell panel to determine their selectivity...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906828/presence-of-cytotoxic-extracellular-histones-in-machine-perfusate-of-donation-after-circulatory-death-kidneys
#14
Tim C van Smaalen, Daniëlle M H Beurskens, E R Pieter Hoogland, Bjorn Winkens, Maarten H L Christiaans, Chris P Reutelingsperger, L W Ernest van Heurn, Gerry A F Nicolaes
BACKGROUND: Extracellular histones are cytotoxic molecules that are related to cell stress and death. They have been shown to play a crucial role in multiple pathophysiologic processes like sepsis, inflammation, vascular dysfunction and thrombosis. Their role in organ donation and graft function and survival is still unknown. The aim of this study was to assess whether an association exists between the presence of extracellular histones in machine perfusates and deceased donor kidney viability...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906827/cross-talk-between-t-and-b-cells-in-the-germinal-center-following-transplantation
#15
Jean Kwun, Miriam Manook, Eugenia Page, Christopher Burghuber, Jungjoo Hong, Stuart J Knechtle
Cross-talk between B and T cells in transplantation is increasingly recognized as being important in the alloimmune response. T cell activation of B cells occurs by a 3-stage pathway, culminating with costimulation signals. We review the distinct T cell subtypes required for B cell activation, and discuss the formation of the Germinal Center (GC) after transplantation, with particular reference to the repopulation of the GC following depletional induction, and the subsequent effect of immunosuppressive manipulation of T-B cell interactions...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906826/factors-associated-with-short-and-long-term-liver-graft-survival-in-the-united-kingdom-development-of-a-uk-donor-liver-index
#16
Dave Collett, Peter J Friend, Christopher Je Watson
BACKGROUND: A measure of donor liver quality, the donor liver index, was developed and validated for the UK population of transplant recipients. Unlike previously proposed measures, this index is only based on variables that are available at the point of retrieval, and so does not include cold ischaemic time. METHODS: Indices of liver quality were based on data from the UK Transplant Registry on all 7929 liver transplants between January 2000 and December 2014. RESULTS: The donor liver index (DLI) was based on factors shown to affect graft survival, which included donor age, sex, height, type (donor after brain death or circulatory death), bilirubin, smoking history, and whether the liver was split...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906825/living-uterus-donors-the-role-of-future-research-in-addressing-ethical-considerations
#17
Ana S Iltis
No abstract text is available yet for this article.
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906824/selection-of-patients-for-initial-clinical-trials-of-solid-organ-xenotransplantation
#18
David K C Cooper, Martin Wijkstrom, Sundaram Hariharan, Joshua L Chan, Avneesh Singh, Keith Horvath, Muhammad Mohiuddin, Arielle Cimeno, Rolf N Barth, John C LaMattina, Richard N Pierson
Several groups have reported extended survival of genetically-engineered pig organs in nonhuman primates, varying from almost 10 months for life-supporting kidney grafts and >2 years for nonlife-supporting heart grafts to less than 1 month for life-supporting liver and lung grafts. We have attempted to define groups of patients who may not have an option to wait for an allograft. These include kidney, heart, and lung candidates who are highly-allosensitized. In addition, some kidney candidates (who have previously lost at least 2 allografts from rapid recurrence of native kidney disease) have a high risk of further recurrence and will not be offered a repeat allotransplant...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906823/the-transplantation-journal-on-social-media-the-transplantjrnl-journey-from-impact-factor-to-klout-score
#19
Carla C Baan, Frank J M F Dor
No abstract text is available yet for this article.
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906822/awards-in-transplantation-science-recognize-the-best-manuscripts-published-in-transplantation
#20
Stefan G Tullius, Shane T Grey, Fadi Issa
No abstract text is available yet for this article.
December 1, 2016: Transplantation
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