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https://www.readbyqxmd.com/read/28330181/optimization-of-medium-composition-for-in-vitro-shoot-proliferation-and-growth-of-date-palm-cv-mejhoul
#1
Mouaad Amine Mazri, Reda Meziani, Jamal El Fadile, Az-Eddine Ezzinbi
The effects of major mineral salts, L-glutamine, myo-inositol and carbon source on shoot bud proliferation of date palm (Phoenix dactylifera L.) cv. Mejhoul were evaluated. Different concentrations of ammonium nitrate (NH4NO3; 550, 825 or 1650 mg/L), potassium nitrate (KNO3; 633.3, 950 or 1900 mg/L), calcium chloride dehydrate (CaCl2·2H2O; 147, 220 or 440 mg/L), potassium dihydrogen phosphate (KH2PO4; 57, 85 or 170 mg/L), magnesium sulfate heptahydrate (MgSO4·7H2O; 123, 185 or 370 mg/L), L-glutamine and myo-inositol (0...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329682/the-swi-snf-protein-pbrm1-restrains-vhl-loss-driven-clear-cell-renal-cell-carcinoma
#2
Amrita M Nargund, Can G Pham, Yiyu Dong, Patricia I Wang, Hatice U Osmangeyoglu, Yuchen Xie, Omer Aras, Song Han, Toshinao Oyama, Shugaku Takeda, Chelsea E Ray, Zhenghong Dong, Mathieu Berge, A Ari Hakimi, Sebastien Monette, Carl L Lekaye, Jason A Koutcher, Christina S Leslie, Chad J Creighton, Nils Weinhold, William Lee, Satish K Tickoo, Zhong Wang, Emily H Cheng, James J Hsieh
PBRM1 is the second most commonly mutated gene after VHL in clear cell renal cell carcinoma (ccRCC). However, the biological consequences of PBRM1 mutations for kidney tumorigenesis are unknown. Here, we find that kidney-specific deletion of Vhl and Pbrm1, but not either gene alone, results in bilateral, multifocal, transplantable clear cell kidney cancers. PBRM1 loss amplified the transcriptional outputs of HIF1 and STAT3 incurred by Vhl deficiency. Analysis of mouse and human ccRCC revealed convergence on mTOR activation, representing the third driver event after genetic inactivation of VHL and PBRM1...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28329676/lineage-biased-stem-cells-maintain-estrogen-receptor-positive-and-negative-mouse-mammary-luminal-lineages
#3
Chunhui Wang, John R Christin, Maja H Oktay, Wenjun Guo
Delineating the mammary differentiation hierarchy is important for the study of mammary gland development and tumorigenesis. Mammary luminal cells are considered a major origin of human breast cancers. However, how estrogen-receptor-positive (ER(+)) and ER(-) luminal cells are developed and maintained remains poorly understood. The prevailing model suggests that a common stem/progenitor cell generates both cell types. Through genetic lineage tracing in mice, we find that SOX9-expressing cells specifically contribute to the development and maintenance of ER(-) luminal cells and, to a lesser degree, basal cells...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28329671/trends-of-skin-cancer-incidence-following-transplantation-in-the-united-states
#4
Sarah T Arron
BackgroundSkin cancer is the most common malignancy occurring after organ transplantation. Although previous research has reported an increased risk of skin cancer in solid organ transplant recipients (OTR), no study has estimated the post-transplant population-based incidence in the US. The objective of this study is to determine the incidence and evaluate the predictors of post-transplant skin cancer, including squamous cell carcinoma (SCC), melanoma (MM), and Merkel cell carcinoma (MCC) in a cohort of US OTR receiving a primary transplant in 2003 or 2008...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329649/human-papillomavirus-infection-and-squamous-cell-carcinoma-in-organ-transplant-recipients
#5
Jan Nico Bouwes Bavinck
Organ transplant recipients (OTR) have an increased risk of developing squamous cell carcinomas (SCC). SCC are usually associated with multiple warts and premalignant keratoses. This cohort study investigated the predictive effect of infection with beta papillomaviruses (betaPV) with the later development of cutaneous SCC.In an earlier prospective and case-control study, eyebrow hairs and sera of 743 OTR transplanted before 2003 were collected. BetaPV DNA was determined in eyebrow hairs and betaPV antibodies in sera...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329521/a-rare-case-of-cutaneous-acanthamoebiasis-in-a-renal-transplant-patient
#6
Frank Winsett, Jessica Dietert, Jaime Tschen, Michael Swaby, Carolyn A Bangert
A 35-year-old woman receiving immunosuppressionfor renal transplantation presented with a onemonthhistory of tender skin nodules on herbilateral upper extremities. A skin biopsy revealedgranulomatous inflammation in the deep dermisand the subcutaneous fat with foci of necrosis.Within the foci of necrosis were large histiocytoidstructures with prominent nuclei. Periodic acid-Schiffstain revealed a round organism with a thick capsule,consistent with amoebal trophozoites. Testing withthe Center for Disease Control revealed the organismto be Acanthamoeba...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329410/long-term-outcome-after-a-treosulfan-based-conditioning-regimen-for-patients-with-acute-myeloid-leukemia-a-report-from-the-acute-leukemia-working-party-of-the-european-society-for-blood-and-marrow-transplantation
#7
Arnon Nagler, Myriam Labopin, Dietrich Beelen, Fabio Ciceri, Liisa Volin, Avichai Shimoni, Roberto Foá, Noel Milpied, Jacopo Peccatori, Emmanuelle Polge, Audrey Mailhol, Mohamad Mohty, Bipin N Savani
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) is a curative therapy for patients with acute myeloid leukemia (AML). However, post-HCT relapse and regimen-related toxicity remain significant barriers to long-term survival. In recent years, new conditioning regimens have been explored to improve transplantation outcomes in patients with AML. Treosulfan combines a potent immunosuppressive and antileukemic effect with a low toxicity profile. METHODS: To investigate the role of treosulfan-based conditioning, the European Society for Blood and Marrow Transplantation Acute Leukemia Working Party performed a registry analysis of 520 adult patients with AML who received treosulfan-based conditioning and underwent HCT between 2000 and 2012, including 225 patients in first complete remission, 107 in second or later complete remission, and 188 with active/advanced disease 188 (88 with primary refractory disease)...
March 22, 2017: Cancer
https://www.readbyqxmd.com/read/28329396/heart-transplantation-in-selected-patients-aged-60-years-and-older-a-two-decade-retrospective-and-multicentre-analysis
#8
Christian Bosseau, Bernard Lelong, Sabine Pattier, Jean-Noël Trochu, Jean-Christian Roussel, Agnès Sirinelli, Michel Aupart, Céline Chabanne, Richard Dorent, Christelle Cantrelle, Philippe Mabo, Christophe Leclercq, Jean-Philippe Verhoye, Erwan Flécher
OBJECTIVES: This study analysed survival and long-term outcomes of heart transplantation in patients aged 60 years and older. We also analysed the impact of a national graft allocation priority [Super Emergency (SE)] and compared survival with younger patients in our centres and in France. METHODS: We performed a multicentre (University Hospitals in Nantes, Rennes and Tours), 2-decade retrospective study between 1 January 1994 and 31 December 2013. Elderly recipients were placed on the same list as younger patients; the use of marginal donors remained occasional...
March 7, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329394/intermediate-follow-up-of-pediatric-patients-with-hemolytic-uremic-syndrome-during-the-2011-outbreak-caused-by-e-coli-o104-h4
#9
Sebastian Loos, Wiebke Aulbert, Bernd Hoppe, Thurid Ahlenstiel-Grunow, Birgitta Kranz, Charlotte Wahl, Hagen Staude, Alexander Humberg, Kerstin Benz, Martin Krause, Martin Pohl, Max C Liebau, Raphael Schild, Johanna Lemke, Ortraud Beringer, Dominik Müller, Christoph Härtel, Marianne Wigger, Udo Vester, Martin Konrad, Dieter Haffner, Lars Pape, Jun Oh, Markus J Kemper
Background.: In 2011 Escherichia coli O104:H4 caused an outbreak with over 800 cases of hemolytic uremic syndrome (HUS) in Germany, including 90 children. Data on the intermediate outcome in children after HUS due to E. coli O104:H4 have been lacking. Methods.: Follow-up data were gathered retrospectively from the medical records of patients who had been included in the German Pediatric HUS Registry during the 2011 outbreak. Results.: A total of 72/89 (81%) of the patients was included after a median follow-up of 3...
March 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28329354/clinical-significance-of-human-coronavirus-in-bronchoalveolar-lavage-samples-from-hematopoietic-cell-transplantation-recipients-and-patients-with-hematologic-malignancies
#10
Chikara Ogimi, Alpana A Waghmare, Jane M Kuypers, Hu Xie, Cecilia C Yeung, Wendy M Leisenring, Sachiko Seo, Su-Mi Choi, Keith R Jerome, Janet A Englund, Michael Boeckh
Background: The possible role of human coronaviruses (HCoV) in lower respiratory tract disease (LRTD) in hematopoietic cell transplant (HCT) recipients and patients with hematologic malignancies (HM) has not been well studied. Methods: We conducted a retrospective review of HCT/HM patients with HCoV detected in bronchoalveolar lavage (BAL). HCoV strains were identified in BAL samples using strain-specific PCR. Mortality rates were compared among HCT recipients with LRTD caused by HCoV, respiratory syncytial virus (RSV), influenza or parainfluenza virus (PIV) by multivariable Cox regression analysis...
February 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28329348/outcome-and-treatment-of-nocardiosis-after-solid-organ-transplantation-new-insights-from-a-european-study
#11
David Lebeaux, Romain Freund, Christian van Delden, Hélène Guillot, Sierk D Marbus, Marie Matignon, Eric Van Wijngaerden, Benoit Douvry, Julien De Greef, Fanny Vuotto, Leïla Tricot, Mario Fernández-Ruiz, Jacques Dantal, Cédric Hirzel, Jean-Philippe Jais, Veronica Rodriguez-Nava, Frédérique Jacobs, Olivier Lortholary, Julien Coussement
Background: Solid organ transplant (SOT) recipients are at risk of nocardiosis, a rare opportunistic bacterial infection, but prognosis and outcome of these patients are poorly defined. Our objectives were to identify factors associated with one-year mortality after nocardiosis and describe the outcome of patients receiving short-course antibiotics (≤120 days). Methods: We analyzed data from a multicenter European case-control study that included 117 SOT recipients with nocardiosis diagnosed between 2000 and 2014...
February 4, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28329338/successful-treatment-of-bronchial-stenosis-after-lung-transplantation
#12
Irene T Schrijver, Bart Luijk, Ronald C A Meijer, Linda M de Heer
Treatment of stenotic anastomosis after lung transplantation can be challenging. In this case report, we present a case in which 3D computed tomography reconstructions guided the clinical decision towards operative bronchoplasty after which our patient was treated successfully.
February 23, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329269/proteomics-highlights-decrease-of-matricellular-proteins-in-left-ventricular-assist-device-therapy%C3%A2
#13
Jasmin Hasmik Shahinian, Bettina Mayer, Stefan Tholen, Kerstin Brehm, Martin L Biniossek, Hannah Füllgraf, Selina Kiefer, Ulrike Heizmann, Claudia Heilmann, Florian Rüter, Martin Grapow, Oliver Thomas Reuthebuch, Friedrich Eckstein, Friedhelm Beyersdorf, Oliver Schilling, Matthias Siepe
OBJECTIVES: We investigated the impact of mechanical unloading with a left ventricular assist device (LVAD) on the myocardial proteome. METHODS: We collected 11 patient-matched samples of myocardial left ventricular tissue of patients with non-ischaemic dilate cardiomyopathy, harvested at time of LVAD implant ('pre-LVAD') and heart transplant ('post-LVAD'). Samples were studied by quantitative proteomics. Further we performed histological assessment of deposited collagens and immune infiltration in both pre- and post-LVAD samples...
February 20, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329267/right-ventricular-recovery-after-bilateral-lung-transplantation-for-pulmonary-arterial-hypertension%C3%A2
#14
Thomas M Gorter, Erik A M Verschuuren, Dirk J van Veldhuisen, Elke S Hoendermis, Michiel E Erasmus, Harm J Bogaard, Anton Vonk Noordegraaf, Rolf M F Berger, Joost P van Melle, Tineke P Willems
OBJECTIVES: Pulmonary arterial hypertension (PAH) is a progressive and often fatal disease characterized by increased pulmonary vascular resistance (PVR) and right ventricular (RV) failure. End-stage PAH is often an indication for a lung transplant (LTX). Our goal was to study ventricular recovery using cardiac magnetic resonance imaging late after LTX. METHODS: We studied 10 patients with PAH who underwent isolated bilateral LTX. RV and left ventricular (LV) volumes, function and mass were measured...
March 3, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329232/mid-term-results-of-bilateral-lung-transplant-with-postoperatively-extended-intraoperative-extracorporeal-membrane-oxygenation-for-severe-pulmonary-hypertension%C3%A2
#15
Jawad Salman, Fabio Ius, Wiebke Sommer, Thierry Siemeni, Christian Kuehn, Murat Avsar, Dietmar Boethig, Ulrich Molitoris, Christoph Bara, Jens Gottlieb, Tobias Welte, Axel Haverich, Marius M Hoeper, Gregor Warnecke, Igor Tudorache
OBJECTIVES: In severe pulmonary hypertension, diastolic dysfunction of the left ventricle causes significant morbidity and mortality after lung transplantation, which may be successfully reversed using a protocol based on perioperative veno-arterial extracorporeal membrane oxygenation (ECMO) and early extubation. Here, we present echocardiographic data and mid-term outcomes. METHODS: The records of lung transplanted patients at our institution between May 2010 and January 2016 were retrospectively reviewed...
March 2, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329186/fatal-bilateral-haemopneumothoraces-following-double-lung-transplantation-caused-by-pretransplant-colonization-by-scedosporium-apiospermum
#16
Francisco Javier Gonzalez-Garcia, Julia Guzman-Puche, Javier Redel-Montero, Paula Moreno
No abstract text is available yet for this article.
March 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329162/the-value-of-fluorine-18-deoxyglucose-positron-emission-tomography-scans-in-patients-with-ventricular-assist-device-specific-infections%C3%A2
#17
Alexander M Bernhardt, Mustafa A Pamirsad, Chantal Brand, Daniel Reichart, Milena Tienken, Markus J Barten, Andreas Schaefer, Hanno Grahn, Meike Rybczynski, Tobias Deuse, Hermann Reichenspurner, Florian M Wagner
BACKGROUND: Infections are major complications in patients with ventricular assist devices (VAD). Positron emission tomography with deoxyglucose marked by fluorine-18 ( 18 F-FDG PET/CT) is a diagnostic tool to scan for tissue with high metabolism as present in infections. The specificity of 18 F-FDG PET/CT to discriminate between infection and an aseptic reaction of the implanted device is not defined and its evaluation is the aim of this retrospective analysis. METHODS: Until September 2015 a total of 100 patients underwent VAD implantations in our institution...
February 20, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329112/comparison-of-paracorporeal-and-continuous-flow-ventricular-assist-devices-in-children-preliminary-results%C3%A2
#18
Mohamed S Nassar, Asif Hasan, Teresa Chila, Stephan Schueler, Carola Pergolizzi, Zdenka Reinhardt, Stephen Lord, Fabrizio De Rita, Lee Ferguson, Jon Smith, Simon Haynes, John O'Sullivan, Bari Murtuza
OBJECTIVES: With the scarcity of organs, a durable, reliable ventricular assist device (VAD) is required. The Berlin Heart EXCOR ® (BH) remains the most established VAD in the paediatric population. Implantable continuous flow (CF) VADs have been introduced to the paediatric field with encouraging early results. In this study, we compared the results of a newly introduced CF VAD (HeartWare VAD [HVAD] ® ) to results in a matched group of BH recipients. METHODS: The study included patients aged <16 years who received mechanical left VAD (LVAD) support between December 2005 and January 2016...
February 16, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329066/impact-of-donor-comorbidities-on-heart-transplant-outcomes-in-the-modern-era
#19
Julien Guihaire, Pierre Emmanuel Noly, Amandine Martin, Mathilde Rojo, Marie Aymami, Anne Ingels, Bernard Lelong, Céline Chabanne, Jean-Philippe Verhoye, Erwan Flécher
OBJECTIVES: The use of marginal donors with cardiovascular risk factors is increasing due to organ shortage but remains controversial in heart transplantation (HTx). We sought to investigate post-transplant outcomes in the recent era taking into account donor characteristics. METHODS: We reviewed 261 HTx performed in our hospital between January 1996 and March 2013. Donor characteristics were obtained from the national database. The incidence of primary graft dysfunction (PGD) and cardiac allograft vasculopathy (CAV) and overall survival were compared in 2 groups of HTx recipients: those receiving transplants from 1996 to 2004 (Group A, n =  120) and from 2005 to 2013 (Group B, n =  141)...
February 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329030/protective-factors-in-the-intestinal-microbiome-against-clostridium-difficile-infection-in-recipients-of-allogeneic-hematopoietic-stem-cell-transplantation
#20
Yeon Joo Lee, Esther P Arguello, Robert R Jenq, Eric Littmann, Grace J Kim, Liza C Miller, Lilan Ling, Cesar Figueroa, Elizabeth Robilotti, Miguel-Angel Perales, Juliet N Barker, Sergio Giralt, Marcel R M van den Brink, Eric G Pamer, Ying Taur
Background.: Clostridium difficile infection (CDI) is a frequent complication in recipients of allogeneic hematopoietic stem cell transplantation (allo-HSCT), who receive intensive treatments that significantly disrupt the intestinal microbiota. In this study, we examined the microbiota composition of allo-HSCT recipients to identify bacterial colonizers that confer protection against CDI following engraftment. Methods.: Feces collected from adult recipients allo-HSCT at engraftment were analyzed; 16S rRNA genes were sequenced and analyzed from each sample...
January 30, 2017: Journal of Infectious Diseases
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