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https://www.readbyqxmd.com/read/28323892/impact-of-abo-incompatible-kidney-transplantation-on-living-donor-transplantation
#1
Ji Hyun Yu, Byung Ha Chung, Chul Woo Yang
BACKGROUND: ABO incompatible kidney transplantation (ABOi-KT) is an important approach for overcoming donor shortages. We evaluated the effect of ABOi-KT on living donor KT. METHODS: Two nationwide transplantation databases were used. We evaluated the impact of ABOi-KT on overall living donor transplant activity and spousal donation as subgroup analysis. In addition, we compared the clinical outcome between ABOi-KT and ABO compatible KT (ABOc-KT) from spousal donor, and performed a Cox proportional hazards regression analysis to define the risk factors affecting the allograft outcomes...
2017: PloS One
https://www.readbyqxmd.com/read/28319175/preeclampsia-in-kidney-transplanted-women-outcomes-and-a-simple-prognostic-risk-score-system
#2
Guri Baardstu Majak, Anna Varberg Reisæter, Manuela Zucknick, Bjørg Lorentzen, Siri Vangen, Tore Henriksen, Trond Melbye Michelsen
Women pregnant following kidney transplantation are at high risk of preeclampsia. Identifying the effects of preeclampsia on pregnancy outcome and allograft function in kidney transplanted women, and predicting which women will require more targeted follow-up and possible therapeutic intervention, could improve both maternal and neonatal outcome. In this retrospective cohort study of all pregnancies following kidney transplantation in Norway between 1969 and 2013, we used medical records to identify clinical characteristics predictive of preeclampsia...
2017: PloS One
https://www.readbyqxmd.com/read/28318622/computer-assisted-topological-analysis-of-renal-allograft-inflammation-adds-to-risk-evaluation-at-diagnosis-of-humoral-rejection
#3
Antoine Sicard, Vannary Meas-Yedid, Maud Rabeyrin, Alice Koenig, Stephanie Ducreux, Frederique Dijoud, Valerie Hervieu, Lionel Badet, Emmanuel Morelon, Jean Christophe Olivo-Marin, Valerie Dubois, Olivier Thaunat
Antibody-mediated rejection is associated with heterogeneous kidney allograft outcomes. Accurate evaluation of risk for graft loss at time of diagnosis is necessary to offer personalized treatment. In contrast with serological and molecular assessment, morpho-histological evaluation of antibody-mediated rejection lesions has not significantly evolved. This relies on Banff classifications designed to be of diagnostic discriminatory power rather than prognostic and face quantitative and qualitative limitations...
March 15, 2017: Kidney International
https://www.readbyqxmd.com/read/28302753/erythropoietin-receptor-mediated-molecular-crosstalk-promotes-t-cell-immunoregulation-and-transplant-survival
#4
Carolina Purroy, Robert L Fairchild, Toshiaki Tanaka, William M Baldwin, Joaquin Manrique, Joren C Madsen, Robert B Colvin, Alessandro Alessandrini, Bruce R Blazar, Miguel Fribourg, Chiara Donadei, Umberto Maggiore, Peter S Heeger, Paolo Cravedi
Although spontaneous kidney transplant acceptance/tolerance occurs in mice and occasionally in humans, mechanisms remain unclear. Herein we test the hypothesis that EPO, a hormone predominantly produced by the adult kidney, has immunomodulating properties that are required for spontaneous kidney graft acceptance. In vitro, in a manner dependent on the EPO receptor and CD131 on antigen-presenting cells, EPO induced the secretion of active TGFβ by antigen-presenting cells, which in turn converted naïve CD4(+) T cells into functional Foxp3(+) regulatory T cells (Treg)...
March 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28302440/kidney-allograft-pyelonephritis-caused-by-salmonella-enterica-serovar-schwarzengrund
#5
Kenta Ito, Haruomi Nishio, Yuji Iwatani, Ryo Yamada, Takao Okawa, Takumi Yamamoto, Masaaki Murakami, Yoko Matsuo, Ken Matsuo, Satoshi Tanaka, Kiyoshi Mori, Noriko Mori
Kidney transplant recipients (KTRs) taking immunosuppressive drugs have a 20-fold greater risk of nontyphoidal Salmonella (NTS) infection than the healthy adult population. Among KTRs, the urinary tract is the most common site of infection. However, few cases of urinary tract infection caused by NTS have been documented in KTRs, and only one in Japan. Furthermore, it frequently induces acute allograft rejection with high mortality. Salmonella enterica subsp. enterica serovar Schwarzengrund (S. Schwarzengrund) is now among the more common Salmonella serovars isolated in Japan and is likely to be invasive...
March 13, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28299024/plasma-neutrophil-gelatinase-associated-lipocalin-as-a-marker-for-prediction-of-3-month-graft-survival-after-kidney-transplantation
#6
A Jafari, M R Khatami, S Dashti-Khavidaki, M Lessan-Pezeshki, A Abdollahi
BACKGROUND: Ischemic injury during organ transplantation increases the risk of acute and chronic rejections by promoting alloimmune responses. Measurement of neutrophil gelatinase-associated lipocalin (NGAL) immediately after kidney transplantation may be promising for early detection of ischemic injuries to allograft. OBJECTIVE: This study assessed possible predictive values of plasma NGAL levels during first hours after kidney transplantation for graft loss within the first 3 months after transplantation...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28296931/helios-expression-and-foxp3-tsdr-methylation-of-ifny-and-ifny-treg-from-kidney-transplant-recipients-with-good-long-term-graft-function
#7
Karina Trojan, Christian Unterrainer, Rolf Weimer, Nuray Bulut, Christian Morath, Mostafa Aly, Li Zhu, Gerhard Opelz, Volker Daniel
BACKGROUND: There is circumstantial evidence that IFNy+ Treg might have clinical relevance in transplantation. IFNy+ Treg express IFNy receptors and are induced by IFNy. In the present study we investigated in kidney transplant recipients with good long-term stable graft function the absolute cell counts of IFNy+ Treg subsets and whether their expression of Foxp3 is stable or transient. METHOD: Helios expression determined by eight-color-fluorescence flow cytometry and methylation status of the Foxp3 Treg specific demethylation region (TSDR) served as indicators for stability of Foxp3 expression...
2017: PloS One
https://www.readbyqxmd.com/read/28296035/sepsis-after-renal-transplantation-clinical-immunological-and-microbiological-risk-factors
#8
Thomas Schachtner, Maik Stein, Petra Reinke
BACKGROUND: As immunosuppressive therapy and allograft survival have improved, the increased incidence of sepsis has become a major hurdle of disease-free survival after renal transplantation. METHODS: We identified 112 of 957 kidney transplant recipients (KTRs) with sepsis. 31 KTRs developed severe sepsis or septic shock, and 30 KTRs died from sepsis. KTRs without sepsis were used for comparison. CMV-specific and alloreactive T-cells were measured using an interferon-γ Elispot-assay...
March 11, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28295652/long-term-survival-following-kidney-transplantation-in-previous-lung-transplant-recipients-an-analysis-of-the-unos-registry
#9
Asishana A Osho, Sameer A Hirji, Anthony W Castleberry, Michael S Mulvihill, Asvin M Ganapathi, Paul J Speicher, Babatunde Yerokun, Laurie D Snyder, Robert D Davis, Mathew G Hartwig
BACKGROUND: Kidney transplantation has been advocated as a therapeutic option in lung recipients who develop end-stage renal disease. This analysis outlines patterns of allograft survival following kidney transplantation in previous lung recipients (KAL). METHODS: Data from the UNOS lung and kidney transplantation registries (1987-2013) were cross-linked to identify lung recipients who were subsequently listed for and/or underwent kidney transplantation. Time-dependent Cox models compared survival in KAL patients vs...
March 10, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28295612/relationship-between-pre-transplant-physical-function-and-outcomes-after-kidney-transplant-elizabeth
#10
C Lorenz, Andrea L Cheville, Hatem Amer, Brian R Kotajarvi, Mark D Stegall, Tanya M Petterson, Walter K Kremers, Fernando G Cosio, Nathan K LeBrasseur
BACKGROUND: Performance-based measures of physical function predict morbidity following non-transplant surgery. Study objectives were to determine whether physical function predicts outcomes after kidney transplant and assess how physical function changes post-transplant. METHODS: We conducted a prospective study involving living donor kidney transplants recipients at our center 5/2012 to 2/2014. Physical function was measured using the Short Physical Performance Battery (SPPB) (balance, chair stands, gait speed) and grip strength testing...
March 11, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28293239/major-histocompatibility-complex-class-i-chain-related-a-mica-molecules-relevance-in-solid-organ-transplantation
#11
REVIEW
Ajay Kumar Baranwal, Narinder K Mehra
An ever growing number of reports on graft rejection and/or failure even with good HLA matches have highlighted an important role of non-HLA antigens in influencing allograft immunity. The list of non-HLA antigens that have been implicated in graft rejection in different types of organ transplantation has already grown long. Of these, the Major Histocompatibility Complex class I chain-related molecule A (MICA) is one of the most polymorphic and extensively studied non-HLA antigenic targets especially in the kidney transplantation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28291548/the-role-of-interleukin-17a-in-the-pathogenesis-of-kidney-diseases
#12
REVIEW
Charlotte Cortvrindt, Reinhart Speeckaert, Alena Moerman, Joris R Delanghe, Marijn M Speeckaert
Being a member of the IL-17 family, comprising six structurally related ligands, IL-17A is a cytokine, produced by multiple cell types, such as CD4(+)αβ T cells, γδ T cells, natural killer cells, neutrophils, macrophages, dendritic cells, lymphoid tissue inducer cells, mast cells and plasma cells. IL-17A participates in tissue inflammation by inducing the expression of chemokines, proinflammatory cytokines and matrix metalloproteases. Besides its role in host defence against infectious diseases, IL-17A is involved in different autoimmune and inflammatory diseases...
March 10, 2017: Pathology
https://www.readbyqxmd.com/read/28289413/mica-and-nkg2d-is-there-an-impact-on-kidney-transplant-outcome
#13
REVIEW
Matilde Risti, Maria da Graça Bicalho
This paper aims to present an overview of MICA and natural killer group 2 member D (NKG2D) genetic and functional interactions and their impact on kidney transplant outcome. Organ transplantation has gone from what can accurately be called a "clinical experiment" to a routine and reliable practice, which has proven to be clinically relevant, life-saving and cost-effective when compared with non-transplantation management strategies of both chronic and acute end-stage organ failures. The kidney is the most frequently transplanted organ in the world (transplant-observatory)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28289274/ruptured-hemangioma-of-a-native-kidney-an-unusual-cause-of-postoperative-hemorrhage-in-kidney-transplant-recipients
#14
Grażyna Poznańska, Michał Wlazlak, Piotr Hogendorf, Dariusz Szymański, Janusz Strzelczyk, Adam Durczyński
BACKGROUND Retroperitoneal bleeding as a consequence of non-traumatic kidney or allograft rupture is well known, but there are no reports on hemorrhagia from a native kidney after allogeneic renal transplantation. Therefore, we present the first such case to be published and highlight the possibility of this complication after renal transplantation. CASE REPORT We report the case of a 28-year-old male patient who developed early post-transplant hemorrhagia from a ruptured native kidney. The patient underwent left-sided nephrectomy...
March 14, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28286934/relationship-between-diurnal-blood-pressure-and-renal-histopathological-changes-in-white-coat-hypertension
#15
Erhan Tatar, Adam Uslu, Funda Tasli, Murat Karatas
BACKGROUND: Multiple epidemiological studies have clearly demonstrated the macrovascular risks associated with white coat hypertension (WCH) or sustained hypertension (SH). In patients with WCH, there is no literature available on renal histopathological changes and that on blood pressure pattern and native kidney outcome is scant. We aimed to clarify the relationship between blood pressure variables and pathological features of kidney biopsies in living kidney donors with WCH. METHODS: This cross-sectional study included living kidney donors with WCH (n = 10) and SH (n = 10), and 20 healthy kidney donors with similar demographic features (control group)...
March 12, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28284829/histopathologic-changes-in-anti-angiotensin-ii-type-1-receptor-antibody-positive-kidney-transplant-recipients-with-acute-rejection-and-no-donor-specific-hla-antibodies
#16
Mary Ann Lim, Matthew Palmer, Jennifer Trofe-Clark, Roy Bloom, Annette Jackson, Mary Carmelle Philogene, Malek Kamoun
OBJECTIVE: To determine the association of antibodies against angiotensin II type 1 receptor (AT1R Ab) and histopathologic changes seen in patients with kidney allograft rejection and negative donor specific HLA antibodies (DSA). METHODS: Stored sera from 27 patients who had biopsy-proven rejection in the absence of DSA were tested for AT1R Ab. Biopsy slides of all patients were re-examined and classified according to Banff 2013 criteria. Histopathologic changes were compared between AT1R positive and negative patients...
March 8, 2017: Human Immunology
https://www.readbyqxmd.com/read/28281103/current-evidence-on-vitamin-d-deficiency-and-kidney-transplant-what-s-new
#17
REVIEW
Gerardo Sarno, Riccardo Nappi, Barbara Altieri, Giacomo Tirabassi, Emanuele Muscogiuri, Gianmaria Salvio, Stavroula A Paschou, Aristide Ferrara, Enrico Russo, Daniela Vicedomini, Cerbone Vincenzo, Andromachi Vryonidou, Silvia Della Casa, Giancarlo Balercia, Francesco Orio, Paride De Rosa
Kidney transplant is the treatment of choice for end-stage chronic kidney disease. Kidneys generate 1,25-dihydroxyvitamin D (calcitriol) from 25-hydroxyvitamin D (calcidiol) for circulation in the blood to regulate calcium levels. Transplant patients with low calcidiol levels have an increased risk of metabolic and endocrine problems, cardiovascular disease, type 2 diabetes mellitus, poor graft survival, bone disorders, cancer, and mortality rate. The recommended calcidiol level after transplant is at least 30 ng/mL (75 nmol/L), which could require 1000-3000 IU/d vitamin D3 to achieve...
March 9, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28280700/allograft-loss-from-acute-page-kidney-secondary-to-trauma-after-kidney-transplantation
#18
Kazuhiro Takahashi, Rohini Prashar, Krishna G Putchakayala, William J Kane, Jason E Denny, Dean Y Kim, Lauren E Malinzak
We report a rare case of allograft loss from acute Page kidney secondary to trauma that occurred 12 years after kidney transplantation. A 67-year-old Caucasian male with a past surgical history of kidney transplant presented to the emergency department at a local hospital with left lower abdominal tenderness. He recalled that his cat, which weighs 15 lbs, jumped on his abdomen 7 d prior. On physical examination, a small tender mass was noticed at the incisional site of the kidney transplant. He was producing a normal amount of urine without hematuria...
February 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28280699/contrast-induced-acute-kidney-injury-in-kidney-transplant-recipients-a-systematic-review-and-meta-analysis
#19
Wisit Cheungpasitporn, Charat Thongprayoon, Michael A Mao, Shennen A Mao, Matthew R D'Costa, Wonngarm Kittanamongkolchai, Kianoush B Kashani
AIM: To evaluate the incidence of contrast-induced acute kidney injury (CIAKI) in kidney transplant recipients. METHODS: A literature search was performed using MEDLINE, EMBASE, and the Cochrane Database of Systematic Reviews from the inception of the databases through July 2016. Studies assessing the incidence of CIAKI in kidney transplant recipients were included. We applied a random-effects model to estimate the incidence of CIAKI. RESULTS: Six studies of 431 kidney transplant recipients were included in the analyses to assess the incidence of CIAKI in kidney transplant recipients...
February 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28280693/risk-factors-and-outcomes-of-delayed-graft-function-in-renal-transplant-recipients-receiving-a-steroid-sparing-immunosuppression-protocol
#20
Michelle Willicombe, Anna Rizzello, Dawn Goodall, Vassilios Papalois, Adam G McLean, David Taube
AIM: To analyse the risk factors and outcomes of delayed graft function (DGF) in patients receiving a steroid sparing protocol. METHODS: Four hundred and twenty-seven recipients of deceased donor kidney transplants were studied of which 135 (31.6%) experienced DGF. All patients received monoclonal antibody induction with a tacrolimus based, steroid sparing immunosuppression protocol. RESULTS: Five year patient survival was 87.2% and 94.9% in the DGF and primary graft function (PGF) group respectively, P = 0...
February 24, 2017: World Journal of Transplantation
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