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https://www.readbyqxmd.com/read/29325996/direct-acting-antiviral-therapy-for-hepatitis-c-virus-infection-in-the-kidney-transplant-recipient
#1
REVIEW
Donald F Chute, Raymond T Chung, Meghan E Sise
Hepatitis C virus infection (HCV) is a common comorbidity in patients who have undergone kidney transplantation and is associated with increased morbidity and mortality compared with recipients who do not have chronic HCV infection. Because interferon-α-based therapies can precipitate acute rejection, they are relatively contraindicated after kidney transplantation. Thus, the majority of kidney transplant recipients with HCV remain untreated. There are now all-oral, interferon-free direct-acting antiviral therapies for HCV infection that are extremely effective and well tolerated in the general population...
January 9, 2018: Kidney International
https://www.readbyqxmd.com/read/29312862/polyoma-virus-nephropathy-in-kidney-transplantation
#2
REVIEW
Jacob Rw Scadden, Adnan Sharif, Kassi Skordilis, Richard Borrows
BK virus (BKV) is a polyomavirus that is able to cause renal dysfunction in transplanted grafts via BK virus-associated nephritis (BKVAN). This condition was mis-diagnosed in the past due to clinical and histopthological similarities with acute rejection. Due to the prevalence of the virus in the population, it is an important pathogen in this context, and so it is important to understand how this virus functions and its' relationship with the pathogenesis of BKVN. Screening for BKV often reveals viruria and/or viremia, which then manifests as BKVN, which can be asymptomatic or result in clinical features namely renal dysfunction...
December 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/29312561/therapeutic-effects-of-adipose-derived-mesenchymal-stem-cells-against-brain-death-induced-remote-organ-damage-and-post-heart-transplant-acute-rejection
#3
Hon-Kan Yip, Mel S Lee, Cheuk-Kwan Sun, Kuan-Hung Chen, Han-Tan Chai, Pei-Hsun Sung, Kun-Chen Lin, Sheung-Fat Ko, Chun-Man Yuen, Chu-Feng Liu, Pei-Lin Shao, Fan-Yen Lee
We tested the hypothesis that allogenic adipose-derived mesenchymal stem cells (ADMSCs) alleviated brain death (BD)-induced remote organ damage and events of post heart-transplant acute rejection. To determine the impact of BD on remote organ damage, adult-male F344 rats (n=24) were categorized sham-control (SC), BD and BDMSC (allogenic ADMSC/1.2 × 106 cells/derived from F344 by intravenous transfusion 3 h after BD procedure). To determine the protective effect of allogenic ADMSCs, animals (n=8/each group in F344/Lewis) were categorized into groups BD-T(F344 heart transplanted into Lewis by 6h after BD), BD-TMSC(D1/3) (BD induction for 6h then heart transplantation, and allogenic ADMSCs transfusion at days 1 and 5 after heart transplantation), BD-TMSC(3h) (BD + ADMSC/1...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29288671/prolonged-skin-grafts-survival-time-by-ifn-%C3%AE-in-allogeneic-skin-transplantation-model-during-acute-rejection-through-ifn-%C3%AE-stat3-ido-pathway-in-epidermal-layer
#4
Yijie Zhang, Yunchuan Wang, Gaofeng Wu, Wei Zhang, Xujie Wang, Weixia Cai, Julei Zhang, Shichao Han, Yan Li, Xiaozhi Bai, Jihong Shi, Linlin Su, Dahai Hu
Allogeneic skin transplantation is the life-saving therapy for multiple diseases, including extensive burn, large-scale trauma and certain post-surgical complications. However, acute rejection impedes clinical application of allogeneic skin transplantation. Although a lot of novel immunosuppressant drugs have been developed, there is still great need for ideal therapy with less complication and more therapeutic effects. Here, we found interferon gamma (IFN-γ) as an immunomodulatory cytokine prolonged the survival time of allografts from (8...
December 27, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29285451/the-prevalence-of-new-onset-diabetes-mellitus-after-renal-transplantation-in-patients-with-immediate-posttransplant-hyperglycemia-in-a-tertiary-care-centre
#5
Saba Samad Memon, Nikhil Tandon, Sandeep Mahajan, V K Bansal, Asuri Krishna, Arunkumar Subbiah
Objectives: This study aimed to determine the prevalence of immediate posttransplant hyperglycemia and new onset diabetes after renal transplantation (NODAT). It also aims at answering whether posttransplant hyperglycemia per se is a risk factor for future development of NODAT. Methods: A retrospective study was conducted among patients undergoing kidney transplantation under a single surgical unit in a tertiary care hospital in the past 5 years. All known patients with diabetes were excluded from the study...
November 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29279357/successful-outcome-following-allogeneic-hematopoietic-stem-cell-transplantation-in-adults-with-primary-immunodeficiency
#6
Thomas A Fox, Ronjon Chakraverty, Siobhan Burns, Benjamin Carpenter, Kirsty Thomson, David Lowe, Adele Fielding, Karl Peggs, Panagiotis Kottaridis, Benjamin Uttenthal, Venetia Bigley, Matthew Buckland, Victoria Grandage, Shari Denovan, Sarah Grace, Julia Dahlstrom, Sarita Workman, Andrew Symes, Stephen Mackinnon, Rachael Hough, Emma Morris
INTRODUCTION: The primary immunodeficiencies (PID), rare inherited diseases characterised by severe dysfunction of immunity have been successfully treated by allogeneic hematopoietic stem cell transplantation (Allo-HSCT) in childhood. Controversy exists regarding optimal timing and use of Allo-HSCT in adults, due to lack of experience and previous poor outcomes. MATERIALS AND METHODS: 29 consecutive adult patients, with a mean age at transplant of 24 years (range 17-50) underwent Allo-HSCT...
December 26, 2017: Blood
https://www.readbyqxmd.com/read/29258445/a-biological-network-based-regularized-artificial-neural-network-model-for-robust-phenotype-prediction-from-gene-expression-data
#7
Tianyu Kang, Wei Ding, Luoyan Zhang, Daniel Ziemek, Kourosh Zarringhalam
BACKGROUND: Stratification of patient subpopulations that respond favorably to treatment or experience and adverse reaction is an essential step toward development of new personalized therapies and diagnostics. It is currently feasible to generate omic-scale biological measurements for all patients in a study, providing an opportunity for machine learning models to identify molecular markers for disease diagnosis and progression. However, the high variability of genetic background in human populations hampers the reproducibility of omic-scale markers...
December 19, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29240626/first-report-of-biventricular-percutaneous-impella-ventricular-assist-device-use-in-pediatric-patients
#8
Javier J Lasa, Daniel A Castellanos, Susan W Denfield, William J Dreyer, Sebastian C Tume, Henri Justino, Athar M Qureshi
There is a growing interest in the use of percutaneously delivered ventricular assist devices (PVAD) in the pediatric patient population. A 16 year old female and 18 year old male both status post heart transplantation presented with evidence of graft rejection and acute severe global systolic and diastolic heart failure necessitating hemodynamic catheterization and inotropic support. Both underwent percutaneous Impella CP LVAD (Abiomed, Danvers, MA) placement with close monitoring of right ventricular function...
December 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29237252/usefulness-of-valacyclovir-prophylaxis-for-cytomegalovirus-infection-after-anti-thymocyte-globulin-as-rejection-therapy
#9
Eun Jeong Ko, Ji Hyun Yu, Chul Woo Yang, Byung Ha Chung
Background/Aims: Anti-thymocyte globulin (ATG) treatment for acute T-cell mediated rejection (TCMR) can increase the risk of cytomegalovirus (CMV) infection. We aimed to evaluate the effect of valacyclovir prophylaxis against CMV infection after ATG administration as anti-rejection therapy. Methods: We retrospectively analyzed 55 kidney transplant recipients (KTRs) receiving ATG for steroid resistant TCMR. In all KTRs, we used intravenous ganciclovir during ATG injection...
December 15, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29236209/adverse-events-under-tacrolimus-and-cyclosporine-in-the-first-3-years-post-renal-transplantation-in-children
#10
Pauline Lancia, Beate Aurich, Phuong Ha, Anne Maisin, Véronique Baudouin, Evelyne Jacqz-Aigrain
BACKGROUND: Progress in immunosuppression has reduced acute rejection, graft loss and mortality after renal transplantation. Adverse drug reactions are well described in adults but few data are available in children. Our objectives were to analyse the adverse events reported in the first 3 years post-transplantation in children receiving tacrolimus or cyclosporine-based immunosuppression and compare them with the information of the Summary of Product Characteristics. METHODS: This retrospective study included all children who underwent a renal transplant at Hospital Robert Debré between 2002 and 2015...
December 13, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/29226570/campath-calcineurin-inhibitor-reduction-and-chronic-allograft-nephropathy-the-3c-study-results-of-a-randomized-controlled-clinical-trial
#11
Richard Haynes, Lisa Blackwell, Natalie Staplin, William G Herrington, Jonathan Emberson, Parminder K Judge, Benjamin C Storey, Martin J Landray, Paul N Harden, Colin Baigent, Peter Friend
Calcineurin inhibitors (CNI e.g. tacrolimus) reduce short-term kidney transplant failure, but chronic nephrotoxicity may contribute to late transplant loss. Elective conversion to inhibitors of the mammalian target of rapamycin pathway (mTOR e.g. sirolimus) might avoid long-term CNI renal damage and improve outcomes. The 3C Study was a pragmatic randomized controlled trial comprising sequential randomizations between alemtuzumab and basiliximab induction therapy (at the time of surgery) and between tacrolimus and sirolimus maintenance therapy at 6-months post-transplant...
December 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29219790/hepatitis-c-virus-infection-in-kidney-transplant-patients-current-treatment-options
#12
Pavlina Dzekova-Vidimliski, Aleksandar Sikole
Hepatitis C virus infection is highly prevalent among kidney transplant recipients, occurring consequently to their previous treatment with hemodialysis. Hepatitis C virus infection has been associated with lower graft and patient survival compared with that shown in patients without infection. The lower survival has been associated with the posttransplant progression of liver disease and increased risk for development of extrahepatic complications. The choice of immunosuppressive drugs could significantly affect the course of the infection with an accelerated viral replication after kidney transplant...
December 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29215460/comparison-of-preemptive-therapy-and-antiviral-prophylaxis-for-prevention-of-cytomegalovirus-in-seropositive-liver-transplant-recipients
#13
Amy W Liu, Kamonwan Jutivorakool, Cynthia E Fisher, Robert M Rakita, Jorge D Reyes, Renuka B Bhattacharya, Keith R Jerome, Ajit P Limaye
BACKGROUND: Few studies have directly compared preemptive therapy (PET) and antiviral prophylaxis (AP) for prevention of cytomegalovirus disease in CMV seropositive (R+) orthotopic liver transplant (OLT) recipients. METHODS: We prospectively assessed CMV disease and clinical outcomes among 160 consecutive R+ OLT recipients who received PET (weekly plasma CMV PCR for 3 months, oral valganciclovir 900 mg twice daily for CMV viremia >250 IU/mL, until 2 consecutive negative weekly PCR results) and compared them to a historical cohort of 156 R+ recipients who received AP (valganciclovir 900 mg daily for 3 months)...
December 5, 2017: Transplantation
https://www.readbyqxmd.com/read/29215395/topical-tacrolimus-as-adjuvant-therapy-to-corticosteroids-in-acute-endothelial-graft-rejection-after-penetrating-keratoplasty-a-randomized-controlled-trial
#14
Mohammad Nasser Hashemian, Golshan Latifi, Reza Ghaffari, Hamed Ghassemi, Mehran Zarei Ghanavati, Seyed-Farzad Mohammadi, Mehdi Yasseri, Mohammad Reza Fallah Tafti, Zahra Fallah Tafti
PURPOSE: To evaluate the efficacy of topical tacrolimus 0.05% as adjuvant therapy to corticosteroids in the treatment of acute endothelial rejection of a penetrating keratoplasty (PKP) graft. METHODS: Patients with the clinical diagnosis of acute endothelial rejection of a PKP graft were randomized into 2 groups-group 1: receiving topical tacrolimus 0.05% as adjuvant therapy to corticosteroid treatment and group 2: receiving only corticosteroid treatment. Main outcome measures were rejection reversal, time to rejection reversal, and recurrence of rejection...
December 5, 2017: Cornea
https://www.readbyqxmd.com/read/29208204/durable-renal-response-after-combination-of-bortezomib-corticosteroids-rituximab-and-plasmapheresis-for-late-antibody-mediated-renal-transplant-rejection%C3%A2
#15
Yanli Ding, Jean Francis, Amitabh Gautam, Linda Pelletier, Vaishali Sanchorawala, Karen Quillen
Late occurrence of antibody-mediated rejection (AMR), defined as occurring 6 months after transplantation, is associated with poor renal allograft survival, compared to early acute AMR and acute cellular rejection. The proteasome inhibitor bortezomib has multiple immunomodulatory effects on plasma cells, the source of donor-specific HLA antibodies which mediate AMR. MATERIALS AND METHODS: Consecutive patients who presented with biopsy-proven AMR and donor-specific anti-HLA antibodies (DSA) at a single institution between July 2011 and February 2015 were included...
December 6, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29205184/adipose-derived-mesenchymal-stem-cells-suppress-of-acute-rejection-in-small-bowel-transplantation
#16
Yu Zhang, Qinghong Meng, Yanyan Zhang, Xiaobo Chen, Yuliang Wang
BACKGROUND/AIMS: Adipose-derived mesenchymal stem cells (ADSCs) possess immunosuppressive activity and hold promise in autologous cell-based therapies. The aim of this study was to determine whether autologous ADSCs can improve outcomes in the rat small bowel transplantation (SBT) model. MATERIALS AND METHODS: Allogeneic SBT followed by implantation of autologous ADSCs through the penile vein was conducted in Brown-Norway (BN) donor rats with Lewis (LEW) recipient rats infused with phosphate buffered solution as the control...
November 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/29199482/low-dose-anti-thymocyte-globulin-reduces-chronic-graft-versus-host-disease-incidence-rates-after-matched-unrelated-donor-transplantation
#17
Anand Tandra, Fahrettin Covut, Brenda Cooper, Richard Creger, Lauren Brister, Bernadette McQuigg, Paolo Caimi, Ehsan Malek, Ben Tomlinson, Hillard M Lazarus, Folashade Otegbeye, Merle Kolk, Marcos de Lima, Leland Metheny
Anti-thymocyte globulin (ATG) is often added to hematopoietic stem cell transplant conditioning regimens to prevent graft rejection and reduce graft-versus-host disease (GVHD). Doses used in retrospective and prospective clinical trials have ranged from 2.5 to 20 mg/kg with rates of grade II-IV acute GVHD and chronic GVHD up to 40 and 60%, respectively. We retrospectively compared outcomes in recipients of matched unrelated donor (MUD) grafts given low dose rabbit ATG IV 3 mg/kg (n = 52) versus recipients of matched related donor (MRD) grafts (n = 48) without ATG...
December 4, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29198655/clinical-and-pathological-analyses-of-cases-of-acute-vascular-rejection-after-kidney-transplantation
#18
T Shimizu, H Ishida, N Hayakawa, R Shibahara, K Tanabe
BACKGROUND: We performed a clinical and pathological analysis of cases of acute vascular rejection (AVR), characterized by intimal arteritis and transmural arteritis (Banff v score) after kidney transplantation, in an attempt to clarify the mechanisms underlying the development and prognostic significance of AVR. METHODS: AVR (Banff score: v >0) was diagnosed in 31 renal allograft biopsy specimens (BS) obtained from 31 renal transplant patients receiving follow-up care at the Department of Urology, Tokyo Women's Medical University, between January 2010 and April 2016...
December 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29191294/evolving-areas-in-heart-transplantation
#19
REVIEW
Brittany N Weber, Jon A Kobashigawa, Michael M Givertz
It has been 50 years since Dr. Christiaan Barnard performed the first human-to-human heart transplant in December 1967 in South Africa. Remarkable progress has been made since that time, including changes in surgical techniques, immunosuppression, donor and recipient selection, and post-transplant care. In this paper, we provide a perspective on the changing face of heart transplantation and highlight key evolving areas. Topics that are covered include advances in immunosuppression, screening for acute and chronic rejection, cardiac allograft vasculopathy, and ongoing advancements in cardiac replacement therapy, including xenotransplantation, stem-cell research, tissue engineering, and the total artificial heart...
December 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/29187137/evaluation-of-filgrastim-therapy-in-kidney-transplant-recipients
#20
Teresa Poon, Christina M Guerra
CONTEXT: Neutropenia is associated with a high risk of serious infections in kidney transplant recipients. There are no sufficient studies of using granulocyte colony-stimulating factors, such as filgrastim, in renal transplant recipients to establish a clear, specified role of this off-label indication. Using filgrastim in these patients may increase the risk of rejection by overstimulating the immune system. OBJECTIVE: To evaluate the use of filgrastim in adult kidney transplant recipients presenting with neutropenia...
December 2017: Progress in Transplantation
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