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https://www.readbyqxmd.com/read/29145515/male-kidney-allograft-recipients-at-risk-for-urinary-tract-infection
#1
Gerold Thölking, Katharina Schuette-Nuetgen, Thomas Vogl, Ulrich Dobrindt, Barbara C Kahl, Marcus Brand, Hermann Pavenstädt, Barbara Suwelack, Raphael Koch, Stefan Reuter
BACKGROUND: Urinary tract infection (UTI) is the most common infection after renal transplantation (RTx). Although female sex is a well-known risk factor for the development of UTI after RTx, the role of the donor sex in this context remains unclear. METHODS: In this case control study 6,763 RTx cases were screened for UTI when presenting at our transplant outpatient clinics. 102 different RTx patients fulfilled the inclusion criteria and were compared to 102 controls...
2017: PloS One
https://www.readbyqxmd.com/read/29143761/antibody-cross-reactivity-between-porcine-cytomegalovirus-pcmv-and-human-herpesvirus-6-hhv-6
#2
Uwe Fiebig, Angela Holzer, Daniel Ivanusic, Elena Plotzki, Hartmut Hengel, Frank Neipel, Joachim Denner
Porcine cytomegalovirus (PCMV) infection is widely prevalent among pigs, and PCMV is one of the viruses which may be transmitted during xenotransplantation using pig cells, tissues, or organs. While human cytomegalovirus (HCMV) is a major risk factor for allotransplantation, it is still unclear whether PCMV is able to infect human cells or pose a risk for xenotransplantation. Previously, it was shown that transmission of PCMV after pig kidney to non-human primate transplantations resulted in a significantly reduced survival time of the transplanted organ...
October 28, 2017: Viruses
https://www.readbyqxmd.com/read/29142988/proximal-tubular-expression-patterns-of-megalin-and-cubilin-in-proteinuric-nephropathies
#3
Jia Sun, Kjell Hultenby, Jonas Axelsson, Johan Nordström, Bing He, Annika Wernerson, Karin Lindström
Introduction: Receptor-mediated endocytosis is responsible for protein reabsorption in the proximal tubules. For albumin this process involves at least 2 interacting receptors, megalin and cubilin. Albumin is not usually present in the urine, indicating a highly efficient tubular reuptake under physiological conditions. However, early appearance of albuminuria may mean that the tubular system is overwhelmed by large quantities of albumin or that the function is impaired. Methods: To better understand the physiological role of megalin and cubilin in human renal disease, renal biopsies from 15 patients with a range of albuminuria and 3 healthy living donors were analyzed for proximal tubular expression of megalin and cubilin using immunohistochemistry (IHC) and semiquantitative immune-electron microscopy...
July 2017: KI Reports
https://www.readbyqxmd.com/read/29142981/commercial-kidney-transplantation-attitude-knowledge-perception-and-experience-of-recipients
#4
Fatma Al Rahbi, Issa Al Salmi
Introduction: Kidney transplantation is the gold standard for patients with end-stage kidney disease. In view of shortages of available organs, long wait times for possible transplantation, and strict regulation, many patients opt for commercial transplantation. This study elicits the reasons and motivations for patients with end-stage kidney disease to elect for commercial transplant. Methods: A questionnaire-based evaluation was conducted during the period from July 2015 until late December 2015...
July 2017: KI Reports
https://www.readbyqxmd.com/read/29142940/transplantation-of-renal-allografts-from-organ-donors-reactive-for-hcv-antibodies-to-hcv-negative-recipients-safety-and-clinical-outcome
#5
Knut Michael Nowak, Oliver Witzke, Georgios C Sotiropoulos, Tamas Benkö, Melanie Fiedler, Jörg Timm, Andreas Kribben, Benjamin Wilde, Fuat Saner, Andreas Paul, Jürgen Treckmann
Introduction: Because of the shortage of available organs for renal transplantation, strategies enabling the safe use of organs from donors with potential chronic infections such as hepatitis C are necessary. The aim of this study was to analyze the outcome of renal transplant donation from hepatitis C virus (HCV)-positive donors. Methods: Between September 2002 and May 2007, 51 kidneys (34 donors) reactive for HCV antibodies were further evaluated. Six kidneys (5 donors) were transplanted to 6 recipients with known chronic HCV infection...
January 2017: KI Reports
https://www.readbyqxmd.com/read/29141940/the-effects-of-different-storage-solutions-on-renal-ischemia-tolerance-after-kidney-transplantation-in-mice
#6
Lei Wang, Jin Wei, Shan Jiang, Hui-Hua Li, Liying Fu, Jie Zhang, Ruisheng Liu
Cold storage is the most prevalent method for graft preservation in kidney transplantation (KTX). The protective effects of various preservation solutions have been extensively studied in both clinical trials and experimental animal models. However, a paucity of studies examined the effect of different preservation solutions on graft function in mouse KTX, in addition, the tolerance of the transplanted grafts to further insult has not been evaluated, which were the objectives of the present study. We performed mouse KTX in three groups with the donor kidneys preserved in different solutions for 60 minutes: saline, mouse serum, and University of Wisconsin (UW) solution...
November 15, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29140547/islet-transplantation-as-safe-and-efficacious-method-to-restore-glycemic-control-and-to-avoid-severe-hypoglycemia-after-donor-organ-failure-in-pancreas-transplantation
#7
Philipp A Gerber, Michel Hochuli, Bara D Benediktsdottir, Richard A Zuellig, Oliver Tschopp, Michael Glenck, Olivier de Rougemont, Christian Oberkofler, Giatgen A Spinas, Roger Lehmann
The aim of this study was to assess safety and efficacy of islet transplantation after initial pancreas transplantation with subsequent organ failure. Patients undergoing islet transplantation at our institution after pancreas organ failure were compared to a control group of patients with pancreas graft failure, but without islet transplantation and to a group receiving pancreas re-transplantation. 10 patients underwent islet transplantation after initial pancreas transplantation failed and were followed for a median of 51 months...
November 15, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29140090/qm-mm-simulations-identify-the-ring-opening-mechanism-of-creatininase
#8
Jitrayut Jitonnom, Joni Mujika, Marc W van der Kamp, Adrian J Mulholland
Creatininase catalyzes the conversion of creatinine (a biosensor for kidney function) to creatine via a two-step mechanism: water-addition followed by ring-opening. Water-addition is common to other known cyclic amidohydrolases, but the precise mechanism for ring-opening is still under debate. The proton donor in this step is either His178, or a water molecule bound to one of metal ions, and the roles of His178 and Glu122 are unclear. Here, the two possible reaction pathways have been fully examined by means of combined quantum mechanics/molecular mechanics simulations at the SCC-DFTB/CHARMM22 level of theory...
November 15, 2017: Biochemistry
https://www.readbyqxmd.com/read/29139038/the-impact-of-donor-and-recipient-weight-incompatibility-on-renal-transplant-outcomes
#9
Limy Wong, Aileen Counihan, Patrick O'Kelly, Donal J Sexton, Conall M O'Seaghdha, Colm Magee, Dilly Little, Peter J Conlon
BACKGROUND: Donor/recipient size mismatching and correlation to allograft outcome remains poorly defined. This study assessed the impact of donor body weight (DBW) to recipient body weight (RBW) ratio on allograft function and survival. METHODS: A total of 898 deceased donor renal transplant recipients were included in the study. Patients were divided into quartiles depending on the ratio of DBW/RBW: Q1 (≤ 0.88), Q2 (0.89-1.00), Q3 (1.01-1.22) and Q4 (> 1...
November 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29137595/study-of-bacterial-infections-among-patients-receiving-kidney-transplant-in-mashhad-iran
#10
Davood Mansury, Azad Khaledi, Kiarash Ghazvini, Mahin Ghorban Sabbagh, Hosna Zare, Mohammad Hossein Rokni-Hosseini, Hossein Vazini
OBJECTIVES: Over the past 2 decades, significant advances have been made in the management of infections after transplant; however, transplant recipients are still at high risk of infectious complications. This study aimed to evaluate the prevalence of bacterial infections and antimicrobial resistance patterns in kidney transplant recipients. MATERIALS AND METHODS: This cross-sectional study included 356 patients who received kidney transplants, regardless of the underlying disease, from 2013 to 2015 at the Montaserieh Transplant Hospital (Mashhad, Iran)...
November 15, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29137592/isolated-v-lesion-in-an-abo-incompatible-kidney-transplant-recipient-receiving-rituximab
#11
Tomoaki Iwai, Junji Uchida, Kazuya Kabei, Shunji Nishide, Nobuyuki Kuwabara, Toshihide Naganuma, Norihiko Kumada, Yoshiaki Takemoto, Tatsuya Nakatani
We report an ABO-incompatible kidney transplant performed on a 69-year-old female patient, whose donor was her 69-year-old husband. The patient received an immunosuppressive protocol using rituximab without splenectomy. Renal biopsy was done on posttransplant day 8 due to poor early graft function, and an isolated v-lesion was found, which responded to steroid pulse therapy and gusperimus hydrochloride administration. Our results indicate that isolated v-lesions can occur in ABO-incompatible kidney transplant recipients receiving rituximab and that this finding should be treated as acute rejection...
November 15, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29135832/prognostic-value-of-the-persistence-of-c1q-binding-anti-hla-antibodies-in-acute-antibody-mediated-rejection-in-kidney-transplantation
#12
Elodie Bailly, Dany Anglicheau, Gilles Blancho, Philippe Gatault, Vincent Vuiblet, Valérie Chatelet, Emmanuel Morelon, Paolo Malvezzi, Anne Parissiadis, Jérôme Tourret, Gwendaline Guidicelli, Johnny Sayegh, Christiane Mousson, Philippe Grimbert, Isabelle Top, Moglie Le Quintrec, Raj Purgus, Pierre François Westeel, Barbara Proust, Valérie Chabot, Yvon Lebranchu, Frédéric Dehaut, Matthias Büchler
BACKGROUND: The differential pathogenicity of anti-HLA donor-specific antibodies (DSAs) is not fully understood. The presence of complement-binding DSAs help better defining the prognosis of acute antibody-mediated rejection (ABMR). The evolution of these antibodies after the treatment of ABMR is unknown. METHODS: We included patients from the French multicenter RITUX ERAH study diagnosed with acute antibody-mediated rejection (ABMR) within the first year of renal transplantation, with circulating anti-HLA DSAs and treated randomly by rituximab or placebo (and intravenous immunoglobulins, plasma exchange)...
November 13, 2017: Transplantation
https://www.readbyqxmd.com/read/29135830/tissue-resident-lymphocytes-in-solid-organ-transplantation-innocent-passengers-or-the-key-to-organ-transplant-survival
#13
Amy C Prosser, Axel Kallies, Michaela Lucas
Short-term outcomes of solid organ transplantation have improved dramatically over the past several decades; however, long-term survival has remained static over the same time period, and chronic rejection remains a major cause of graft failure. The importance of donor, or 'passenger', lymphocytes to the induction of tolerance to allografts was recognized in the 1990s; however, their precise contribution to graft acceptance or rejection has not been elucidated. Recently, specialized populations of tissue-resident lymphocytes in nonlymphoid organs have been described...
November 14, 2017: Transplantation
https://www.readbyqxmd.com/read/29133549/pharmacokinetics-and-exposure-response-analysis-of-rg7667-a-combination-of-two-anti-cytomegalovirus-monoclonal-antibodies-in-a-phase-2a-randomized-trial-to-prevent-cytomegalovirus-infection-in-high-risk-kidney-transplant-recipients
#14
Rong Deng, Yehong Wang, Mauricio Maia, Tracy Burgess, Jacqueline M McBride, X Charlene Liao, Jorge A Tavel, William D Hanley
BACKGROUND: RG7667, a novel combination of two anti-cytomegalovirus (CMV) monoclonal IgG1 antibodies (MCMV5322A and MCMV3068A), was designed to block CMV entry into host cells. It was developed as a potential therapy for preventing CMV infection and disease in transplant recipients. METHODS: In a Phase 2a trial in CMV-seronegative recipients of kidney transplants from CMV-seropositive donors, RG7667 was assessed for preventing CMV infection. Patients received 4 intravenous doses of RG7667 (10 mg/kg of each antibody, n=60) or placebo (n=60) at time of transplant, and 1, 4, and 8 weeks post transplant...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29132985/validation-of-kdri-kdpi-for-the-selection-of-expanded-criteria-kidney-donors
#15
Juan Antonio Retamero Díaz, Mercedes Cava Molina, Belen M Cobacho Tornel, Juan Bravo Soto, Antonio Osuna Ortega, Francisco O'Valle Ravassa, Raimundo García Del Moral Garrido
INTRODUCTION: KDRI / KDPI are tools use in kidney donor evaluation. It has been proposed as a substitute of, or complementary to preimplantation renal biopsy. These scores has not been validated in Spain. OBJECTIVE: 1) To investigate the concordance between KDPI and histological scores (preimplantation renal biopsy) and 2) To assess the relationship between KDRI, KDPI and histological score on graft survival in the expanded criteria donors group. METHODOLOGY: Retrospective cohort study from 1 January 1998 until 31 December 2010...
November 10, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29131451/what-we-do-and-do-not-know-about-women-and-kidney-diseases-questions-unanswered-and-answers-unquestioned-reflection-on-world-kidney-day-and-international-woman-s-day
#16
EDITORIAL
Giorgina B Piccoli, Mona Alrukhaimi, Zhi-Hong Liu, Elena Zakharova, Adeera Levin
Chronic Kidney Disease affects approximately 10% of the world's adult population: it is within the top 20 causes of death worldwide, and its impact on patients and their families can be devastating. World Kidney Day and International Women's Day in 2018 coincide, thus offering an opportunity to reflect on the importance of women's health and specifically their kidney health, on the community, and the next generations, as well as to strive to be more curious about the unique aspects of kidney disease in women so that we may apply those learnings more broadly...
November 13, 2017: Nephrology
https://www.readbyqxmd.com/read/29131298/decellularized-kidney-matrix-as-functional-material-for-whole-organ-tissue-engineering
#17
Marina Figliuzzi, Barbara Bonandrini, Andrea Remuzzi
Renal transplantation is currently the most effective treatment for end-stage renal disease, which represents one of the major current public health problems. However, the number of available donor kidneys is drastically insufficient to meet the demand, causing prolonged waiting lists. For this reason, tissue engineering offers great potential to increase the pool of donated organs for kidney transplantation, by way of seeding cells on supporting scaffolding material. Biological scaffolds are prepared by removing cellular components from the donor organs using a decellularization process with detergents, enzymes or other cell lysing solutions...
November 11, 2017: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/29130538/-what-if-this-is-my-chance-to-save-my-life-a-semi-structured-interview-study-on-the-motives-and-experiences-of-esrd-patients-who-engaged-in-public-solicitation-of-a-living-kidney-donor
#18
Mathilde C Pronk, Dorthe Slaats, Willij C Zuidema, Medard T Hilhorst, Frank J M F Dor, Michiel Betjes, Willem Weimar, Jacqueline van de Wetering, Emma K Massey
The increase of patients using public solicitation (PS) to find a living kidney donor has generated a debate about the ethical complexities of PS. To investigate why patients engaged in PS and what they experienced during PS we conducted semi-structured interviews with 20 Dutch end-stage renal disease patients who had publicly solicited a living donor. Transcipts were thematically analyzed. We identified ten themes on patients' considerations preceding PS: cautiousness in discussing living donation within social network; reluctance to accept a kidney from loved ones; rejection/withdrawal of related donor candidates; moral objections to black market organs/paid donation; the ease of social media; encouraged by others; ends justyfying the means; despair and urge to take action; public disclosure of vulnerability; fear of being (perceived to be) selfish...
November 12, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29129387/socio-sanitary-profile-and-information-for-living-kidney-donors-and-recipients-in-three-andalusian-hospitals
#19
Manuel-Ángel Calvo-Calvo, Isabel Morgado Almenara, Miguel Ángel Gentil Govantes, Andrés Moreno Rodríguez, Teresa Puertas Cruz, Teresa García Álvarez, María Dolores Carmona Vílchez
BACKGROUND: Information provided by health professionals to potential donors and recipients is essential for an autonomous and objective decision to make a living kidney donation. OBJECTIVES: To determine the characteristics of the information received by living kidney donors and recipients, to find out their socio-sanitary profile, their socio-demographics, financial and labour characteristics, health and the caregiving activity of these donors and recipients. METHODS: Observational, descriptive and cross-sectional study of the population of living kidney donors and recipients from the University Hospitals Puerta del Mar (Cádiz), Virgen del Rocío (Seville), and the University Hospital Complex of Granada, between 08/04/2014 and 08/06/2015...
November 9, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29128413/association-of-citizenship-status-with-kidney-transplantation-in-medicaid-patients
#20
Jenny I Shen, Daniel Hercz, Lilly M Barba, Holly Wilhalme, Erik L Lum, Edmund Huang, Uttam Reddy, Leslie Salas, Sitaram Vangala, Keith C Norris
BACKGROUND: Although individuals classified as nonresident aliens, including undocumented immigrants, are entitled to receive emergency dialysis in the United States regardless of their ability to pay, most states do not provide them with subsidized care for maintenance dialysis or kidney transplantation. We explored whether nonresident aliens have similar outcomes to US citizens after receiving kidney transplants covered by Medicaid, a joint federal and state health insurance program...
November 8, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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