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Lung transplantation

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https://www.readbyqxmd.com/read/28214878/mirna-26a-contributes-to-the-acquisition-of-malignant-behaviors-of-doctaxel-resistant-lung-adenocarcinoma-cells-through-targeting-ezh2
#1
Jing Chen, Yuejuan Xu, Leilei Tao, Yan Pan, Kai Zhang, Rui Wang, Long-Bang Chen, Xiaoyuan Chu
BACKGROUND/AIMS: Accumulating evidence revealed that microRNAs (miRNAs) have been demonstrated as critical molecules in tumor development and progression. MiR-26a, located in a fragile chromosomal region associated with various human cancer, has been reported to be involved in regulating various cellular process, such as proliferation, apoptosis and invasion through targeting multiple oncogene. Docetaxel-mediated chemotherapy has been applied in improving the survival and prognosis of patients with advanced lung adenocarcinoma (LAD)...
February 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28213689/serious-fungal-infections-in-egypt
#2
S M Zaki, D W Denning
We aimed to estimate the burden of serious fungal infections in Egypt, currently unknown, based on the size of the populations at risk and available epidemiological data. Data were obtained from the World Health Organization (WHO), the Joint United Nations Programme on HIV/AIDS (UNAIDS), and published reports with clearcut denominators. When no data existed, risk populations were used to estimate frequencies of fungal infections, using previously described methodology. The population of Egypt in 2011 was ∼82,500,000; 31% children, and 8% women >60 years of age...
February 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28212205/spontaneous-breathing-during-extracorporeal-membrane-oxygenation-in-acute-respiratory-failure
#3
Stefania Crotti, Nicola Bottino, Giulia Maria Ruggeri, Elena Spinelli, Daniela Tubiolo, Alfredo Lissoni, Alessandro Protti, Luciano Gattinoni
BACKGROUND: We evaluate the clinical feasibility of spontaneous breathing on extracorporeal membrane oxygenation and the interactions between artificial and native lungs in patients bridged to lung transplant or with acute exacerbation of chronic obstructive pulmonary disease (COPD) or acute respiratory distress syndrome. METHODS: The clinical course of a total of 48 patients was analyzed. Twenty-three of 48 patients were enrolled in the prospective study (nine bridged to lung transplant, six COPD, and eight acute respiratory distress syndrome)...
February 17, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28212151/antibody-mediated-rejection-in-the-cardiac-allograft-diagnosis-treatment-and-future-considerations
#4
M Elizabeth H Hammond, Abdallah G Kfoury
PURPOSE OF REVIEW: This review summarizes the latest publications dealing with antibody-mediated rejection (AMR) and defines areas of controversy and future steps that may improve the outcome for patients with this virulent form of rejection. RECENT FINDINGS: Recent progress includes publication of standardized pathologic criteria for acute AMR by the International Society for Heart and Lung Transplantation (ISHLT) and guidelines for treatment of acute AMR by the American Heart Association, endorsed by ISHLT as well...
February 15, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28209722/long-term-outcome-of-hematopoietic-stem-cell-transplantation-for-il2rg-jak3-scid-a-cohort-report
#5
Intan Juliana Abd Hamid, Mary A Slatter, Fiona McKendrick, Mark S Pearce, Andrew R Gennery
Hematopoietic stem cell transplantation (HSCT) cures the T-lymphocyte, B-lymphocyte and Natural Killer (NK) cell differentiation defect in IL2RG/JAK3 SCID. We evaluated long-term clinical features, longitudinal immunoreconstitution, donor chimerism and quality of life (QoL) of IL2RG/JAK3 SCID patients >2 years post-HSCT at our center. Clinical data were collated and patients/families answered PedsQL Generic Core Scale v4.0 questionnaires. We performed longitudinal analyses of CD3+, CD4+ naïve T-lymphocyte, CD19+ and NK cell numbers from pre-transplant until 15 years post-transplant...
February 16, 2017: Blood
https://www.readbyqxmd.com/read/28208014/improved-antitumor-efficacy-of-hyaluronic-acid-complexed-paclitaxel-nanoemulsions-in-treating-non-small-cell-lung-cancer
#6
Joo-Eun Kim, Young-Joon Park
Paclitaxel (PTX) is a effectively chemotherapeutic agent which is extensively able to treat the non-small cell lung, pancreatic, breast and other cancers. But it is a practically insoluble drug with water solubility less than 1 µg/mL, which restricts its therapeutic application. To overcome the problem, hyaluronic acid-complexed paclitaxel nanoemulsions (HPNs) were prepared by ionic complexation of paclitaxel (PTX) nanoemulsions and hyaluronic acid (HA) to specifically target non-small cell lung cancer. HPNs were composed of DL-α-tocopheryl acetate, soybean oil, polysorbate 80, ferric chloride, and HA and fabricated by high-pressure homogenization...
February 17, 2017: Biomolecules & Therapeutics
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
#7
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...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28207629/short-and-long-term-outcome-after-lung-transplantation-from-circulatory-dead-donors-a-single-center-experience
#8
David Ruttens, An Martens, Sofie Ordies, Stijn E Verleden, Arne P Neyrinck, Robin Vos, Marc Boada Collado, Bart M Vanaudenaerde, Geert M Verleden, Dirk Van Raemdonck
BACKGROUND: Donation after cardiac death (DCD) to overcome the donor organ shortage is well accepted in the clinical setting, although long-term outcome after DCD lung transplantation (LTx) remains largely unknown. METHODS: In this retrospective study, DCD LTx recipients (n=59) were compared with a cohort of donation after brain-death (DBD) LTx recipients (n=331) transplanted between February 2007 and September 2013; follow-up was until January 1st 2016. Short-term (duration of mechanical ventilation, ICU stay, hospital stay and highest PGD score within 72 hours) and long-term (CLAD-free and overall survival) follow-up were compared over a median follow-up of 50...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28205445/severe-hypertriglyceridemia-induced-by-sirolimus-treated-with-medical-management-without-plasmapheresis
#9
Kazuhiko Kido, Rickey A Evans, Anil Gopinath, Jeremy D Flynn
: Hypertriglyceridemia and hyperlipidemia are the most remarkable metabolic complications seen with long-term sirolimus therapy. We report the case of a 36-year-old woman status post bilateral lung transplantation on a maintenance immunosuppression regimen of sirolimus, tacrolimus, and prednisone who presented with status migrainosus, chest pain, abdominal discomfort, and triglyceride levels greater than 4425 mg/dL. In previously reported cases of severe hypertriglyceridemia that developed on maintenance sirolimus therapy, plasmapheresis has been utilized as an early strategy to rapidly lower triglycerides in order to minimize the risk of acute complications such as pancreatitis, but our case was managed medically without plasmapheresis...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28205428/systemically-infused-mesenchymal-stem-cells-show-different-homing-profiles-in-healthy-and-tumor-mouse-models
#10
Chengying Xie, Zhangru Yang, Yuanzhen Suo, Qianqian Chen, Dan Wei, Xiaofu Weng, Zhengqin Gu, Xunbin Wei
Bone marrow-derived mesenchymal stem cells (MSCs) can localize in injured, inflamed, and cancerous tissues after systemic infusion. However, the dynamic homing profile of MSCs in the peripheral blood is not well characterized. Here, using in vivo flow cytometry to noninvasively monitor the dynamics of fluorescence-labeled cells, we found different clearance kinetics of systemically infused MSCs between healthy and tumor mouse models. The circulation times of MSCs in healthy mice and mice with subcutaneous tumors, orthotopically transplanted liver tumors, or metastatic lung tumors were 30, 24, 18, and 12 hours, respectively, suggesting that MSCs actively home to tumor environments...
February 16, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28203420/the-diagnostic-yield-and-complications-of-open-lung-biopsies-in-kidney-transplant-patients-with-pulmonary-disease
#11
Daniere Yurie Vieira Tomotani, Antônio Tonete Bafi, Eduardo Souza Pacheco, Tainá Veras de Sandes-Freitas, Laila Almeida Viana, Edgar Porto de Oliveira Pontes, Nikkei Tamura, Hélio Tedesco-Silva, Flavia Ribeiro Machado, Flávio Geraldo Rezende Freitas
BACKGROUND: The purpose of this study was to assess the efficacy of open lung biopsy (OLB) in determining the specific diagnosis and the related complications in patients with undiagnosed diffuse pulmonary infiltrates. METHODS: This single center, retrospective study included adult kidney transplant patients who underwent OLB. The patients had diffuse pulmonary infiltrates without definitive diagnoses and failed to respond to empiric antibiotic treatment. We analyzed the number of specific diagnoses, changes in treatment and the occurrence of complications in these patients...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28202855/early-and-late-atrial-arrhythmias-after-lung-transplantation%C3%A3-incidence-predictive-factors-and-impact-on-mortality
#12
Laurence Jesel, Jérémie Barraud, Han S Lim, Halim Marzak, Nathan Messas, Sandrine Hirschi, Nicola Santelmo, Anne Olland, Pierre Emmanuel Falcoz, Gilbert Massard, Michel Kindo, Patrick Ohlmann, Michel Chauvin, Olivier Morel, Romain Kessler
BACKGROUND: Atrial arrhythmias (AAs) are frequent after lung transplantation (LT) and late postoperatively. Several predictive factors of early postoperative AAs after LT have been identified but those of late AAs remain unknown. Whether AA after LT affects mortality is still being debated. This study assessed in a large cohort of LT patients the incidence of AAs early and late after surgery, their predictive factors and their effect on mortality.Methods and Results:We studied 271 consecutive LT patients over 9 years...
February 15, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28198768/long-term-follow-up-of-humoral-immune-status-in-adult-lung-transplant-recipients
#13
Diana A van Kessel, Thijs W Hoffman, Johanna M Kwakkel-van Erp, Erik-Jan D Oudijk, Pieter Zanen, Ger T Rijkers, Jan C Grutters
BACKGROUND: Lung transplant recipients have an increased risk for infections in the posttransplant period due to immunosuppressive therapy. Protection against infections can be achieved through vaccination, but the optimal vaccination schedule in lung transplant recipients is unknown. Data on long-term immunological follow up and vaccination responses after lung transplantation are scarce. METHODS: Here we present long-term immunological follow up of a cohort of 55 lung transplant recipients...
February 14, 2017: Transplantation
https://www.readbyqxmd.com/read/28198130/psychosocial-predictors-of-medication-adherence-in-pediatric-heart-and-lung-organ-transplantation
#14
Michael O Killian
Few studies have identified the psychosocial characteristics of those children and their families associated with future non-adherence to immunosuppressive medications following a heart or lung transplant. UNOS data and medical records information were used to test the association between patient and family psychosocial characteristics and medication adherence. Medication adherence outcomes were obtained using the physician assessments in the UNOS data and measured through patient-level standard deviation scores of immunosuppressive medication blood levels...
February 15, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28197527/laryngeal-cryptococcus-a-rare-cause-of-hoarseness-in-renal-allograft-recipient
#15
Jashan Sandhu, Jasvinder Singh Sandhu, Harpreet Kaur Puri, Manish Munjal
Cryptococcosis commonly involves central nervous system and lungs in organ transplant recipients. Isolated laryngeal infection is extremely rare. We report a rare case of cryptococcus in a renal allograft recipient that clinically presented with hoarseness of voice and mimicked laryngeal carcinoma on examination.
2017: J Nephropharmacol
https://www.readbyqxmd.com/read/28196295/association-of-pre-transplant-kidney-function-with-outcomes-after-lung-transplantation
#16
Amit Banga, Manish Mohanka, Jessica Mullins, Srinivas Bollineni, Vaidehi Kaza, Fernando Torres, Bekir Tanriover
PURPOSE: There is a lack of data regarding the independent association of pre-transplant kidney function with early and late outcomes among lung transplant (LT) recipients. METHODS: We queried the UNOS database for adult patients (≥ 18 years of age) undergoing LT between 1987 and 2013. Glomerular filtration rate (GFR) was estimated using the Modification of diet in renal disease (MDRD) and the Chronic kidney disease epidemiology collaboration (CKD-EPI) equations...
February 14, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28193717/differences-in-presentation-and-outcomes-between-children-with-familial-dilated-cardiomyopathy-and-children-with-idiopathic-dilated-cardiomyopathy-a-report-from-the-pediatric-cardiomyopathy-registry-study-group
#17
Paolo Rusconi, James D Wilkinson, Lynn A Sleeper, Minmin Lu, Gerald F Cox, Jeffrey A Towbin, Steven D Colan, Steven A Webber, Charles E Canter, Stephanie M Ware, Daphne T Hsu, Wendy K Chung, John L Jefferies, Christina Cordero, Steven E Lipshultz
BACKGROUND: Research comparing the survival of children with familial dilated cardiomyopathy (FDCM) to that of children with idiopathic dilated cardiomyopathy (IDCM) has produced conflicting results. METHODS AND RESULTS: We analyzed data from children with FDCM or IDCM using the National Heart, Lung, and Blood Institute-funded Pediatric Cardiomyopathy Registry. Compared to children with IDCM (n=647), children with FDCM (n=223) were older (mean 6.2 versus 4.5 years, P<0...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28191779/development-of-a-three-dimensional-bioengineering-technology-to-generate-lung-tissue-for-personalized-disease-modeling
#18
Dan C Wilkinson, Jackelyn A Alva-Ornelas, Jennifer M S Sucre, Preethi Vijayaraj, Abdo Durra, Wade Richardson, Steven J Jonas, Manash K Paul, Saravanan Karumbayaram, Bruce Dunn, Brigitte N Gomperts
Stem cell technologies, especially patient-specific, induced stem cell pluripotency and directed differentiation, hold great promise for changing the landscape of medical therapies. Proper exploitation of these methods may lead to personalized organ transplants, but to regenerate organs, it is necessary to develop methods for assembling differentiated cells into functional, organ-level tissues. The generation of three-dimensional human tissue models also holds potential for medical advances in disease modeling, as full organ functionality may not be necessary to recapitulate disease pathophysiology...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28190546/sevoflurane-attenuates-ischemia-reperfusion-injury-in-a%C3%A2-rat%C3%A2-lung%C3%A2-transplantation-model
#19
Akihiro Ohsumi, Katherine Marseu, Peter Slinger, Karen McRae, Hyunhee Kim, Zehong Guan, David M Hwang, Mingyao Liu, Shaf Keshavjee, Marcelo Cypel
BACKGROUND: Sevoflurane is one of the most commonly used volatile anesthetic agents with the fastest onset and offset, replacing isoflurane in modern anesthesiology. Preconditioning and postconditioning using volatile anesthetics can attenuate ischemia-reperfusion injury (IRI). However, no previous studies have evaluated the effect of sevoflurane in lung transplantation after cold ischemic injury. We aimed to study the effects of donor and recipient treatment with sevoflurane in a rat lung transplantation model...
February 9, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28188237/first-identification-of-kr%C3%A3-ppel-like-factor-2-mutation-in-heritable-pulmonary-arterial-hypertension
#20
Christina A Eichstaedt, Jie Song, Rebecca Rodríguez Viales, Zixuan Pan, Nicola Benjamin, Christine Fischer, Marius Hoeper, Silvia Ulrich, Katrin Hinderhofer, Ekkehard Grünig
Heritable pulmonary arterial hypertension (HPAH) is an autosomal dominantly inherited disease caused by mutations in the bone morphogenic protein receptor 2 gene and/or genes of its signalling pathway in about 85% of patients. We clinically and genetically analysed a HPAH family without mutations in previously described PAH genes. Clinical assessment included electrocardiogram, lung function, blood gas analysis, chest X-ray, laboratory testing, echocardiography and right heart catheterisation in case of suspected disease...
February 10, 2017: Clinical Science (1979-)
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