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transplant kidney pathology

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https://www.readbyqxmd.com/read/28089754/stem-cell-therapy-an-emerging-modality-in-glomerular-diseases
#1
REVIEW
Umang G Thakkar, Aruna V Vanikar, Hargovind L Trivedi
The kidney has been considered a highly terminally differentiated organ with low proliferative potential and thus unlikely to undergo regeneration. Glomerular disease progresses to end-stage renal disease (ESRD), which requires dialysis or renal transplantation for better quality of life for patients with ESRD. Because of the shortage of implantable kidneys and complications such as immune rejection, septicemia and toxicity of immunosuppression, kidney transplantation remains a challenge. Therapeutic options available for glomerular disease include symptomatic treatment and strategies to delay progression...
January 12, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28086881/dengue-fever-in-renal-transplant-patients-a-systematic-review-of-literature
#2
Ranga Migara Weerakkody, Jean Ansbel Patrick, Mohammed Hussain Rezvi Sheriff
BACKGROUND: Dengue fever in renal transplanted patients has not been studied well, and we review all the literature about episodes dengue fever in renal transplant patients. METHODS: The aim was to describe clinico-pathological characteristics, immunosuppressive protocols, need renal outcome and mortality. PubMed, LILACS, Google Scholar and Research Gate were searched for "Dengue" and "Renal/Kidney Transplantation" with no date limits. Hits were analyzed by two researchers separately...
January 13, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28060025/antibody-mediated-rejection-what-is-the-clinical-relevance
#3
Rachel Hogen, Joseph DiNorcia, Kiran Dhanireddy
PURPOSE OF REVIEW: The review outlines the diagnosis, clinical implications, and treatment strategies for acute and chronic antibody-mediated rejection (AMR) after orthotopic liver transplantation (OLT). RECENT FINDINGS: A combination of clinical work-up, histopathology, C4d staining, and donor-specific antibody (DSA) should be used to diagnose AMR. The differential diagnosis for idiopathic fibrosis now includes chronic AMR. Characterization of pathogenic DSA continues to progress...
January 3, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28059091/identification-of-distinct-subgroups-of-ebv-positive-post-transplant-diffuse-large-b-cell-lymphoma
#4
Julie Morscio, Julio Finalet Ferreiro, Sara Vander Borght, Emilie Bittoun, Olivier Gheysens, Daan Dierickx, Gregor Verhoef, Iwona Wlodarska, Thomas Tousseyn
Post-transplantation lymphoproliferative disorder is an aggressive complication of transplantation, most frequently of diffuse large B-cell lymphoma morphology and associated with Epstein-Barr virus (EBV) infection/reactivation. In this study the microenvironment of EBV(+) (n=23) and EBV(-) (n=9) post-transplant non-germinal center B-cell diffuse large B-cell lymphoma was characterized. Of EBV(+) cases somatic hypermutation analysis, gene expression profiling, and extensive phenotyping were performed. Our results demonstrated variable cytotoxic T-cell infiltration and significantly increased CD163(+) M2 macrophage infiltration in EBV(+) compared with EBV(-) post-transplant diffuse large B-cell lymphoma...
January 6, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28042087/melatonin-as-a-promising-agent-of-regulating-stem-cell-biology-and-its-application-in-disease-therapy
#5
REVIEW
Shuo Zhang, Simon Chen, Yuan Li, Yu Liu
Stem cells have emerged as an important approach to repair and regenerate damaged tissues or organs and show great therapeutic potential in a variety of diseases. However, the low survival of engrafted stem cells still remains a major challenge for stem cell therapy. As a major hormone from the pineal gland, melatonin has been shown to play an important role in regulating the physiological and pathological functions of stem cells, such as promoting proliferation, migration and differentiation. Thus, melatonin combined with stem cell transplantation displayed promising application potential in neurodegenerative diseases, liver cirrhosis, wound healing, myocardial infarction, kidney ischemia injury, osteoporosis, etc...
December 30, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28026854/investigations-on-renal-vascularisation-pathology-in-the-polish-population-1-incidence-of-multiple-kidney-arteries
#6
Henryk H Sośnik, Katarzyna Sośnik
BACKGROUND: The aim of the study was to determine the incidence of multiple kidney arteries in the Polish population. MATERIAL AND METHODS: The study group comprised 924 deceased patients aged between one month and 94 years (mean age : 63.4 ± 22.4 years) who were subject to aortonephrography and sample preparation. The ratio of male to female patients was 479:445. RESULTS: Multiple kidney arteries were observed in 44.8% male and 31.5% female patients (p=0,004)...
December 27, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28008340/fractional-excretion-of-sodium-in-hepatorenal-syndrome-clinical-and-pathological-correlation
#7
Ali A Alsaad, Hani M Wadei
AIM: To determine the accuracy of fractional excretion of sodium (FeNa) in the diagnosis of hepatorenal syndrome (HRS). METHODS: Eighty-eight liver transplantation candidates with renal dysfunction and/or proteinuria were included in the study sample. The baseline characteristics of the patients were obtained. All the 88 patients underwent iothalamate glomerular filtration rate testing, 24-h urine collection for urinary sodium and protein excretions, random urine for sodium and creatinine testing, and percutaneous kidney biopsy...
December 8, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27990569/icariin-treated-human-umbilical-cord-mesenchymal-stem-cells-decrease-chronic-liver-injury-in-mice
#8
Huantian Cui, Zhen Liu, Li Wang, Yuhong Bian, Wen Li, Huifang Zhou, Xiaoqian Chu, Qingyun Zhao
Human umbilical cord mesenchymal stem cells (hUMSCs) have been shown to have multiple differentiation potentials. However, a key problem is that only a small number of hUMSCs can migrate to damaged tissue after transplantation. According to "The Theory of Kidney Essence" in Traditional Chinese Medicine, some traditional Chinese medicines used for tonifying the kidneys can be applied in promoting the differentiation and migration of stem cells in vivo. Our previous study demonstrated that icariin (ICA) could up-regulate the pluripotent genes of hUMSCs in vitro and induce cell migration in mice in an acute kidney injury model in vivo...
December 18, 2016: Cytotechnology
https://www.readbyqxmd.com/read/27990486/successful-simultaneous-liver-kidney-transplantation-in-the-presence-of-multiple-high-titered-class-i-and-ii-antidonor-hla-antibodies
#9
Flavio Paterno, Alin Girnita, Paul Brailey, David Witte, Jiang Wang, Madison C Cuffy, Tayyab Diwan, Simon Tremblay, Jane Y Revollo, Rita R Alloway, Michael R Schoech, Nadim Anwar, Shimul A Shah, Steve E Woodle
The results of simultaneous liver-kidney transplants in highly sensitized recipients have been controversial in terms of antibody-mediated rejection and kidney allograft outcomes. This case report provides a detailed and sophisticated documentation of histocompatibility and pathologic data in a simultaneous liver-kidney transplant performed in a recipient with multiple high-titered class I and II antidonor HLA antibodies and a strongly positive cytotoxic crossmatch. Patient received induction with steroids, rituximab, and eculizumab without lymphocyte depleting agents...
December 2016: Transplantation Direct
https://www.readbyqxmd.com/read/27986304/kinetic-analysis-of-changes-in-t-and-b-lymphocytes-after-anti-cd20-treatment-in-renal-pathology
#10
Alexis Sentís, Fritz Diekmann, Arturo Llobell, Noemí de Moner, Gerard Espinosa, Jordi Yagüe, Josep Maria Campistol, Eduard Mirapeix, Manel Juan
INTRODUCTION: The main objective of this study is to describe qualitatively and quantitatively the different immune lymphocyte phenotypes of patients with renal disease after treatment with anti-CD20. MATERIAL AND METHODS: Two cohorts of transplanted and autoimmune kidney patients were compared: (1) Those who began treatment with Rituximab, matched (for sex, age and general clinical parameters) with (2) Non-treated control kidney patients. Different analyses were performed: (A) B-lymphocyte subpopulations; (B) T-cell subpopulations; (C) serum levels of BAFF, APRIL, Rituximab and anti-Rituximab; (D) rs396991 polymorphism of CD16a and at different time points for each type of analysis: (i) at baseline, (ii) day 15, (iii) at three and (iv) six months post-antiCD20...
November 17, 2016: Immunobiology
https://www.readbyqxmd.com/read/27977428/breaking-down-the-complement-system-a-review-and-update-on-novel-therapies
#11
Yuvaram N V Reddy, Andrew M Siedlecki, Jean M Francis
PURPOSE OF REVIEW: The complement system represents one of the more primitive forms of innate immunity. It has increasingly been found to contribute to pathologies in the native and transplanted kidney. We provide a concise review of the physiology of the complement cascade, and discuss current and upcoming complement-based therapies. RECENT FINDINGS: Current agents in clinical use either bind to complement components directly or prevent complement from binding to antibodies affixed to the endothelial surface...
December 12, 2016: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27955977/healthcare-professionals-can-assist-patients-with-managing-post-kidney-transplant-expectations
#12
Kimberley Crawford, Jac Kee Low, Elizabeth Manias, Allison Williams
Kidney transplantation is the preferred treatment option for end-stage kidney disease. However, transplantation is not a cure and the prospective recipient needs to carefully evaluate the risks and benefits of receiving a transplant before agreeing to have the transplant. The objective of this commentary is to demonstrate that many kidney transplant recipients have unrealistic expectations of what life after transplantation involves. After monitoring participants in a randomised controlled trial through the first 12 months post-transplantation, we question whether patients understood the impact of receiving a transplant...
December 2, 2016: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/27938596/-focal-segmental-glomerulosclerosis-after-renal-transplantation-in-a-child-with-anca-associated-glomerulonephritis-case-report-and-literature-review
#13
L P Rong, L Z Chen, Q Fu, W F Chen, L Z Sun, X Y Jiang, Y Mo
Objective: To study the clinical features and treatment of focal segmental glomerulosclerosis (FSGS) after renal transplantation in a child with ANCA-associated glomerulonephritis. Method: The clinical and pathological data of the patient treated in the Department of Pediatrics as well as in the Department of Organ Transplantation in November 2015 in the First Affiliated Hospital of Sun Yat-sen University, who was diagnosed with de novo FSGS after renal transplantation with a primary disease ANCA-associated glomerulonephritis, was analyzed retrospectively...
December 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/27932167/gangliocytoma-presenting-with-tacrolimus-neurotoxicity-in-a-renal-transplant-recipient-case-report
#14
S Alagoz, S Gulcicek, M Oruc, S Trabulus, N Seyahi
Tacrolimus is a widely used macrolide immunosuppressant in transplant surgery, with mild and major neurologic side effects. A 21-year-old woman had undergone preemptive transplantation of a kidney from her mother. On the 1st postoperative day, the patient had headache, nausea, vomiting, and agitation. Magnetic resonance imaging (MRI) of the brain showed hyperintensity and a lesion in the right mesial temporal lobe. After we switched from tacrolimus to cyclosporine, the symptoms regressed. Persistence of the lesion, confirmed by repeated MRI, required that the patient be operated on...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932164/retzius-space-preservation-technique-for-robotic-assisted-laparoscopic-radical-prostatectomy-in-a-kidney-transplant-patient-first-case-in-thailand-and-our-first-experience
#15
P Jenjitranant, P Sangkum, P Sirisreetreerux, W Viseshsindh, S Patcharatrakul, W Kongcharoensombat
OBJECTIVE: The aim of this work was to report our experience in robotic-assisted laparoscopic radical prostatectomy for the treatment of localized prostate cancer in a kidney transplant recipient. METHODS: A 73-year-old man with chronic renal failure underwent living-donor kidney transplantation (KT) in 1993. His baseline creatinine after KT was ∼1.2 mg/dL. He developed lower urinary tract symptoms in 1999. He was diagnosed with benign prostatic hyperplasia and treated accordingly...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27919129/-a-case-of-recurrent-renal-cancer-in-the-autografted-kidney-treated-with-percutaneous-cryoablation
#16
Eisuke Tomiyama, Shinichiro Fukuhara, Takeshi Ujike, Akira Nagahara, Motohide Uemura, Hiroshi Kiuchi, Ryoichi Imamura, Yasushi Miyagawa, Mikio Nin, Norio Nonomura
We report a case of recurrent renal cancer in the autografted kidney, treated with percutaneous cryoablation. A 59-year-old man who had bilateral renal tumors underwent radical left nephrectomy, ex vivo right partial nephrectomy and auto-transplantation at the right ileal fossa in our hospital 11 years ago. Histopathological examination showed clear cell renal cell carcinoma in bilateral kidneys (pT1bN0M0). He had been followed at another hospital without tumor recurrence for 11 years. In 2014, an enhanced CT scan revealed a renal tumor with a diameter of two centimeters in the autografted kidney, which was thought to be a recurrence of the initial renal cancer...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27907917/simple-cysts-in-donor-kidney-contribute-to-reduced-allograft-function
#17
Wenxian Qiu, Yan Jiang, Jianyong Wu, Hongfeng Huang, Wenqing Xie, Xishao Xie, Jianghua Chen, Wenhan Peng
BACKGROUND: Simple renal cysts may be an early marker of renal disease. We investigated whether simple cysts in donor kidney are associated with the decline of allograft function in living donor kidney transplantation. METHODS: We retrospectively reviewed records of donors and recipients from 716 living donor kidney transplants performed between April 2007 and April 2015 in our hospital. Ninety-one donors with renal cysts and 64 recipients with cysts in donor kidney were noted...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/27862883/the-banff-2015-kidney-meeting-report-current-challenges-in-rejection-classification-and-prospects-for-adopting-molecular-pathology
#18
A Loupy, M Haas, K Solez, L Racusen, D Glotz, D Seron, B J Nankivell, R B Colvin, M Afrouzian, E Akalin, N Alachkar, S Bagnasco, J U Becker, L Cornell, C Drachenberg, D Dragun, H de Kort, I W Gibson, E S Kraus, C Lefaucheur, C Legendre, H Liapis, T Muthukumar, V Nickeleit, B Orandi, W Park, M Rabant, P Randhawa, E F Reed, C Roufosse, S V Seshan, B Sis, H K Singh, C Schinstock, A Tambur, A Zeevi, M Mengel
The XIII Banff meeting, held in conjunction the Canadian Society of Transplantation in Vancouver, Canada, reviewed the clinical impact of updates of C4d-negative antibody-mediated rejection (ABMR) from the 2013 meeting, reports from active Banff Working Groups, the relationships of donor-specific antibody tests (anti-HLA and non-HLA) with transplant histopathology, and questions of molecular transplant diagnostics. The use of transcriptome gene sets, their resultant diagnostic classifiers, or common key genes to supplement the diagnosis and classification of rejection requires further consensus agreement and validation in biopsies...
January 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/27858192/rethinking-peritubular-capillary-basement-membrane-multilayering-in-renal-transplant-pathology-a-case-report
#19
Diana Maria Lopategui, Evelyne Lerut, Maarten Naesens, Rita Van Damme-Lombaerts, Elena Levtchenko, Noël Knops
BACKGROUND: Severe multilayering (ML) of the peritubular capillary basement membranes in kidney allografts is considered to be an ultrastructural hallmark of chronic antibody-mediated rejection (CAMR). We describe here the unexpected findings in a young male adolescent with underlying focal segmental glomerulosclerosis who underwent a living-related donor transplant procedure, a case which brought into question the specificity of ML. METHODS: The patient received a kidney from his mother, whose donor screening was unremarkable...
November 17, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27826605/temporal-changes-in-deceased-kidney-donor-characteristics-in-australia
#20
Samuel Chan, Scott B Campbell, Phillip A Clayton, David W Mudge, Yeoungjee Cho, Carmel M Hawley, David W Johnson, Ross S Francis
BACKGROUND: Demand for deceased donor kidneys has exceeded supply in Australia over the past 2 decades. With a desire to use as many donor organs as possible, the health characteristics of accepted donors may have changed over time. METHODS: All deceased kidney donors actually transplanted in Australia between January 1, 1994, and December 31, 2013, were retrospectively analyzed, using data from the Australian and New Zealand Organ Donor Registry. RESULTS: Of 4172 deceased donors, 57% were men...
November 2016: Transplantation Direct
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