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chronic lung allograft dysfunction

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https://www.readbyqxmd.com/read/28431983/comparison-of-extracorporeal-photopheresis-and-alemtuzumab-for-the-treatment-of-chronic-lung-allograft-dysfunction
#1
Anna Moniodis, Keri Townsend, Alexander Rabin, Obadah Aloum, Jessica Stempel, Patrick Burkett, Phillip Camp, Miguel Divo, Souheil El-Chemaly, Hari Mallidi, Ivan Rosas, Anne Fuhlbrigge, Sophia Koo, Hilary J Goldberg
BACKGROUND: Survival after lung transplantation is limited by chronic lung allograft dysfunction (CLAD). Immunomodulatory therapies such as extracorporeal photopheresis (ECP) and alemtuzumab (AL) have been described for refractory CLAD, but comparative outcomes are not well defined. METHODS: We retrospectively reviewed spirometric values and clinical outcomes after therapy with ECP, AL, or no treatment (NT) in patients with CLAD who underwent transplant between January 2005 and December 2014...
March 24, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28415888/bioengineered-gold-nanoparticles-targeted-to-mesenchymal-cells-from-patients-with-bronchiolitis-obliterans-syndrome-does-not-rise-the-inflammatory-response-and-can-be-safely-inhaled-by-rodents
#2
Emanuela Cova, Simona Inghilleri, Laura Pandolfi, Monica Morosini, Sara Magni, Miriam Colombo, Davide Piloni, Chiara Finetti, Gabriele Ceccarelli, Laura Benedetti, Maria Gabriella Cusella, Manuela Agozzino, Fabio Corsi, Raffaele Allevi, Simona Mrakic-Sposta, Sarah Moretti, Simona De Gregori, Davide Prosperi, Federica Meloni
The use of gold nanoparticles as drug delivery system represents a promising issue for diseases without effective pharmacological treatment due to insufficient local drug accumulation and excessive systemic toxicity. Bronchiolitis obliterans syndrome (BOS) represents about 70% of cases of chronic lung allograft dysfunction, the main challenge to long term lung transplantation. It is believed that due to repeated insults to epithelial bronchiolar cells local inflammatory response creates a milieu that favours epithelial mesenchymal transition and activation of local mesenchymal cells leading to airway fibro-obliteration...
April 18, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28404654/physiology-of-chronic-lung-allograft-dysfunction-back-to-the-future
#3
EDITORIAL
Allan R Glanville
No abstract text is available yet for this article.
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28404648/lung-volumes-predict-survival-in-patients-with-chronic-lung-allograft-dysfunction
#4
Nikolaus Kneidinger, Katrin Milger, Silke Janitza, Felix Ceelen, Gabriela Leuschner, Julien Dinkel, Melanie Königshoff, Thomas Weig, René Schramm, Hauke Winter, Jürgen Behr, Claus Neurohr
Identification of disease phenotypes might improve the understanding of patients with chronic lung allograft dysfunction (CLAD). The aim of the study was to assess the impact of pulmonary restriction and air trapping by lung volume measurements at the onset of CLAD.A total of 396 bilateral lung transplant recipients were analysed. At onset, CLAD was further categorised based on plethysmography. A restrictive CLAD (R-CLAD) was defined as a loss of total lung capacity from baseline. CLAD with air trapping (AT-CLAD) was defined as an increased ratio of residual volume to total lung capacity...
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28389169/hard-to-swallow-dysmotility-reflux-and-chronic-lung-allograft-dysfunction-in-pediatric-lung-transplantation
#5
EDITORIAL
Joshua A Blatter
No abstract text is available yet for this article.
March 20, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28383790/post-transplant-lymphoproliferative-disease-in-lung-transplantation-a-nested-case-control-study
#6
Annelies Leyssens, Daan Dierickx, Eric K Verbeken, Thomas Tousseyn, Stijn E Verleden, Bart M Vanaudenaerde, Lieven J Dupont, Jonas Yserbyt, Geert M Verleden, Dirk E Van Raemdonck, Robin Vos
Post-transplant lymphoproliferative disorder (PTLD) may compromise long-term outcome of lung transplant (LTx) recipients. A case-control study was performed, comparing LTx recipients with PTLD (n=31) to matched recipients without PTLD (Controls, n=62). Risk factors for PTLD and post-transplant outcomes were assessed. PTLD prevalence was 3.9%, time to PTLD 323 (166-1132) days; and 54.8% had early-onset PTLD versus 45.2% late-onset PTLD. At LTx, more Epstein-Barr virus (EBV)-seronegative patients were present in PTLD (42%) compared to Controls (5%) (p<0...
April 6, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28375571/hla-mismatching-favoring-host-versus-graft-nk-cell-activity-via-kir3dl1-is-associated-with-improved-outcomes-following-lung-transplantation
#7
John R Greenland, Haibo Sun, Daniel Calabrese, Tiffany Chong, Jonathan P Singer, Jasleen Kukreja, Steven R Hays, Jeffrey A Golden, George H Caughey, Jeffrey M Venstrom, Raja Rajalinginam
Chronic lung allograft dysfunction (CLAD) is linked to rejection and limits survival following lung transplantation. HLA-Bw4 recipients of HLA-Bw6 grafts have enhanced host-versus-graft (HVG) NK cell activity mediated by KIR3DL1 ligand. Because natural killer (NK) cells may promote tolerance by depleting antigen-presenting cells, we hypothesized improved outcomes for HLA-Bw4 recipients of HLA-Bw6 grafts. We evaluated differences in acute cellular rejection (ACR) and CLAD-free survival across 252 KIR3DL1+ recipients from UCSF...
April 4, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28365177/high-dose-vitamin-d-after-lung-transplantation-a-randomized-trial
#8
Robin Vos, David Ruttens, Stijn E Verleden, Elly Vandermeulen, Hannelore Bellon, Anke Van Herck, Annelore Sacreas, Tobias Heigl, Veronique Schaevers, Dirk E Van Raemdonck, Eric K Verbeken, Arne P Neyrinck, Lieven J Dupont, Jonas Yserbyt, Bart M Vanaudenaerde, Geert M Verleden
BACKGROUND: Vitamin D may have innate immunomodulatory functions with potentially beneficial therapeutic effects in lung transplant recipients. METHODS: This was a single-center, double blind, randomized, placebo-controlled, prevention trial of once-monthly oral vitamin D (cholecalciferol; 100,000 IU, n = 44) vs placebo (n = 43) during 2 years in adult lung transplant recipients enrolled from October 2010 to August 2013. Primary outcome was prevalence of chronic lung allograft dysfunction (CLAD) 3 years after transplantation...
March 8, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28262440/telomere-length-in-patients-with-pulmonary-fibrosis-associated-with-chronic-lung-allograft-dysfunction-and-post-lung-transplantation-survival
#9
Chad A Newton, Julia Kozlitina, Jefferson R Lines, Vaidehi Kaza, Fernando Torres, Christine Kim Garcia
BACKGROUND: Prior studies have shown that patients with pulmonary fibrosis with mutations in the telomerase genes have a high rate of certain complications after lung transplantation. However, few studies have investigated clinical outcomes based on leukocyte telomere length. METHODS: We conducted an observational cohort study of all patients with pulmonary fibrosis who underwent lung transplantation at a single center between January 1, 2007, and December 31, 2014...
February 4, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28207638/association-of-local-intrapulmonary-production-of-antibodies-specific-to-donor-major-histocompatibility-complex-class-i-with-the-progression-of-chronic-rejection-of-lung-allografts
#10
Ei Miyamoto, Hideki Motoyama, Masaaki Sato, Akihiro Aoyama, Toshi Menju, Kei Shikuma, Terumasa Sowa, Akihiko Yoshizawa, Masao Saito, Akihiro Takahagi, Satona Tanaka, Mamoru Takahashi, Keiji Ohata, Takeshi Kondo, Kyoko Hijiya, Toyofumi F Chen-Yoshikawa, Hiroshi Date
BACKGROUND: Antibody-mediated rejection may lead to chronic lung allograft dysfunction, but antibody-mediated rejection may develop in the absence of detectable donor-specific antibody (DSA) in recipient serum. This study investigated whether humoral immune responses develop not only systemically but locally within rejected lung allografts, resulting in local production of DSA. METHODS: Lewis rats received orthotopic left lung transplantation from Lewis (syngeneic control) or Brown-Norway (major histocompatibility complex-mismatched allogeneic) donor rats...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28186707/mesenchymal-stromal-cell-therapy-for-chronic-lung-allograft-dysfunction-results-of-a-first-in-man-study
#11
Daniel C Chambers, Debra Enever, Sharon Lawrence, Marian J Sturm, Richard Herrmann, Stephanie Yerkovich, Michael Musk, Peter M A Hopkins
Chronic lung transplant rejection (termed chronic lung allograft dysfunction [CLAD]) is the main impediment to long-term survival after lung transplantation. Bone marrow-derived mesenchymal stromal cells (MSCs) represent an attractive cell therapy in inflammatory diseases, including organ rejection, given their relative immune privilege and immunosuppressive and tolerogenic properties. Preclinical studies in models of obliterative bronchiolitis and human trials in graft versus host disease and renal transplantation suggest potential efficacy in CLAD...
April 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28185711/impact-of-gastroesophageal-reflux-and-delayed-gastric-emptying-on-pediatric-lung-transplant-outcomes
#12
Fei Jamie Dy, Dawn Freiberger, Enju Liu, Debra Boyer, Gary Visner, Rachel Rosen
BACKGROUND: Gastroesophageal reflux disease is thought to predispose to adverse lung allograft outcomes. However, little is known about the burden of gastroesophageal reflux (GER) and gastroparesis in pediatric patients. In this study we describe the burden of reflux and gastroparesis in children undergoing lung transplant, and evaluates their impact on allograft survival and rejection incidence. METHODS: This study is a retrospective analysis of pediatric lung transplant recipients who had combined pH and multichannel intraluminal impedance testing (pH-MII) and gastric-emptying scans (GES)...
January 6, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28164137/immune-responses-to-tissue-restricted-nonmajor-histocompatibility-complex-antigens-in-allograft-rejection
#13
REVIEW
Ankit Bharat, T Mohanakumar
Chronic diseases that result in end-stage organ damage cause inflammation, which can reveal sequestered self-antigens (SAgs) in that organ and trigger autoimmunity. The thymus gland deletes self-reactive T-cells against ubiquitously expressed SAgs, while regulatory mechanisms in the periphery control immune responses to tissue-restricted SAgs. It is now established that T-cells reactive to SAgs present in certain organs (e.g., lungs, pancreas, and intestine) are incompletely eliminated, and the dysregulation of peripheral immuneregulation can generate immune responses to SAgs...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28138398/comparative-analysis-of-morphological-and-molecular-motifs-in-bronchiolitis-obliterans-and-alveolar-fibroelastosis-after-lung-and-stem-cell-transplantation
#14
Danny Jonigk, Berenice Rath, Paul Borchert, Peter Braubach, Lavinia Maegel, Nicole Izykowski, Gregor Warnecke, Wiebke Sommer, Hans Kreipe, Robert Blach, Adrian Anklamm, Axel Haverich, Matthias Eder, Michael Stadler, Tobias Welte, Jens Gottlieb, Mark Kuehnel, Florian Laenger
Chronic lung allograft dysfunction (CLAD) remains the major obstacle to long-term survival following lung transplantation (LuTx). Morphologically CLAD is defined by obliterative remodelling of the small airways (bronchiolitis obliterans, BO) as well as a more recently described collagenous obliteration of alveoli with elastosis summarised as alveolar fibroelastosis (AFE). Both patterns are not restricted to pulmonary allografts, but have also been reported following haematopoietic stem cell transplantation (HSCT) and radio chemotherapy (RC)...
January 2017: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/28120410/restrictive-allograft-syndrome-and-idiopathic-pleuroparenchymal-fibroelastosis-do-they-really-have-the-same-histology
#15
M Angeles Montero, Tina Osadolor, Reena Khiroya, M Teresa Salcedo, Jan Lukas Robertus, Alexandra Rice, Andrew G Nicholson, Antonio Roman, Victor Monforte
AIMS: Restrictive Allograft Syndrome (RAS) and idiopathic pleuroparenchymal fibroelastosis (IPPFE) are two different diseases reported to share the same histology. RAS relates to chronic allograft dysfunction in lung transplantation with IPPFE being a rare condition in native lungs. Our aim is to compare their histologies, alongside biopsies of usual interstitial pneumonia (UIP), to determine if there are differences that might help to elucidate the pathogenesis. METHODS AND RESULTS: We selected 4 post-mortem allograft lungs from patients who developed clear clinical RAS pattern, 5 biopsies diagnosed as IPPFE, 5 UIP biopsies and 5 sections of normal lung...
January 25, 2017: Histopathology
https://www.readbyqxmd.com/read/28103284/gene-expression-profiling-of-bronchoalveolar-lavage-cells-preceding-a-clinical-diagnosis-of-chronic-lung-allograft-dysfunction
#16
S Samuel Weigt, Xiaoyan Wang, Vyacheslav Palchevskiy, Aric L Gregson, Naman Patel, Ariss DerHovanessian, Michael Y Shino, David M Sayah, Shirin Birjandi, Joseph P Lynch, Rajan Saggar, Abbas Ardehali, David J Ross, Scott M Palmer, David Elashoff, John A Belperio
BACKGROUND: Chronic Lung Allograft Dysfunction (CLAD) is the main limitation to long-term survival after lung transplantation. Although CLAD is usually not responsive to treatment, earlier identification may improve treatment prospects. METHODS: In a nested case control study, 1-year post transplant surveillance bronchoalveolar lavage (BAL) fluid samples were obtained from incipient CLAD (n = 9) and CLAD free (n = 8) lung transplant recipients. Incipient CLAD cases were diagnosed with CLAD within 2 years, while controls were free from CLAD for at least 4 years following bronchoscopy...
2017: PloS One
https://www.readbyqxmd.com/read/28101803/lung-retransplantation-in-an-adult-13%C3%A2-years-after-single-lobar-transplant-in-childhood
#17
Seiichiro Sugimoto, Shinji Otani, Takashi Ohki, Takeshi Kurosaki, Kentaroh Miyoshi, Masaomi Yamane, Shinichiro Miyoshi, Takahiro Oto
Single living-donor lobar lung transplantation provides acceptable results for critically ill children; however, an additional lung transplantation may be required in the future as the recipient grows. We describe a case of successful lung retransplantation in a grown-up patient after single lobar lung transplantation in childhood. A 23-year-old man underwent bilateral cadaveric lung retransplantation for chronic lung allograft dysfunction 13 years after right single living-donor lobar transplantation for idiopathic pulmonary arterial hypertension performed at the age of 10 years...
January 18, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28100545/chronic-effects-of-air-pollution-on-lung-function-after-lung-transplantation-in-the-systems-prediction-of-chronic-lung-allograft-dysfunction-sysclad-study
#18
Meriem Benmerad, Rémy Slama, Karine Botturi, Johanna Claustre, Antoine Roux, Edouard Sage, Martine Reynaud-Gaubert, Carine Gomez, Romain Kessler, Olivier Brugière, Jean-François Mornex, Sacha Mussot, Marcel Dahan, Véronique Boussaud, Isabelle Danner-Boucher, Claire Dromer, Christiane Knoop, Annick Auffray, Johanna Lepeule, Laure Malherbe, Frederik Meleux, Laurent Nicod, Antoine Magnan, Christophe Pison, Valérie Siroux
An irreversible loss in lung function limits the long-term success in lung transplantation. We evaluated the role of chronic exposure to ambient air pollution on lung function levels in lung transplant recipients (LTRs).The lung function of 520 LTRs from the Cohort in Lung Transplantation (COLT) study was measured every 6 months. The levels of air pollutants (nitrogen dioxide (NO2), particulate matter with an aerodynamic cut-off diameter of x µm (PMx) and ozone (O3)) at the patients' home address were averaged in the 12 months before each spirometry test...
January 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28100499/gremlin1-plays-a-key-role-in-kidney-development-and-renal-fibrosis
#19
Rachel H Church, Imran Ali, Mitchel Tate, Deborah Lavin, Arjun Krishnakumar, Helena M Kok, Roel Goldschmeding, Finian Martin, Derek Brazil
Grem1, an antagonist of bone morphogenetic proteins, plays a key role in embryogenesis. A highly specific temporospatial gradient of Grem1 and BMP signalling is critical to normal lung, kidney and limb development. Grem1 levels are increased in renal fibrotic conditions including acute kidney injury, diabetic nephropathy, chronic allograft nephropathy and immune glomerulonephritis. A small number of grem1-/- whole body knockout mice on a mixed genetic background (8 %) are viable, with a single, enlarged left kidney and grossly normal histology...
January 18, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28090432/update-on-chronic-lung-allograft-dysfunction
#20
Jason M Gauthier, Ramsey R Hachem, Daniel Kreisel
Chronic lung allograft dysfunction (CLAD) encompasses a range of pathologies that cause a transplanted lung to not achieve or maintain normal function. CLAD manifests as airflow restriction and/or obstruction and is predominantly a result of chronic rejection. Three distinct phenotypes of chronic rejection are now recognized: bronchiolitis obliterans, neutrophilic reversible allograft dysfunction, and restrictive allograft syndrome. Recent investigations have revealed that each phenotype has a unique pathology and histopathological findings, suggesting that treatment regimens should be tailored to the underlying etiology...
September 2016: Current Transplantation Reports
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