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Qiuheng Zhang, Michelle Hickey, Diana Drogalis-Kim, Ying Zheng, David Gjertson, Martin Cadeiras, Tam Khuu, Arnold S Baas, Eugene C Depasquale, Nancy J Halnon, Gregory Perens, Juan Alejos, Daniel Cruz, Nsair Ali, Richard Shemin, Murray Kwon, Michael C Fishbein, Abbas Ardehali, Mario Deng, Elaine F Reed
BACKGROUND: Donor specific HLA antibodies (DSA) are associated with increased rates of rejection and of graft failure in cardiac transplantation. The goal of this study was to determine the association of preformed and posttransplant development of newly detected DSA (ndDSA) with antibody mediated rejection (AMR) and characterize the clinical relevance of complement activating DSA in heart allograft recipients. METHODS: The study included 128 adult and 48 pediatric heart transplant patients transplanted between 2010 to 2013...
June 18, 2018: Transplantation
Natalibeth Barrera, Pedro C Dos Santos Neto, Federico Cuadro, Diego Bosolasco, Ana P Mulet, Martina Crispo, Alejo Menchaca
High lipid content of oocytes and embryos in domestic animals is one of the well-known factors associated with poor cryosurvival. Herein, we wanted to determine whether the use of delipidated estrous sheep serum during in vitro maturation (IVM) of ovine oocytes reduces the cytoplasmic lipid droplets content and improves embryo development and cryotolerance after vitrification. Cumulus oocytes complexes (COCs) were matured in vitro for 24 h in medium supplemented with whole or delipidated estrous sheep serum prior to vitrification...
2018: PloS One
Rocio Montejano, Natalia Stella-Ascariz, Susana Monge, José I Bernardino, Ignacio Pérez-Valero, Mª Luisa Montes, Eulalia Valencia, Luz Martín-Carbonero, Victoria Moreno, Juan González-Garcia, Javier Rodriguez-Centeno, Berta Rodes, Andres Esteban Cantos, Belen Alejos, Rosa de Miguel, Francisco Arnalich, Rosario Perona, José R Arribas
Background: Tenofovir is a potent inhibitor of human telomerase. The clinical relevance of this inhibition is unknown. Methods: Prospective cohort of HIV-1 infected participants with suppressed virological replication, comparing whole blood telomere length (measured by quantitative multiplex PCR) of participants with current exposure versus never exposed to tenofovir disoproxil fumarate. Results: 172 participants included: 67 in the tenofovir disoproxil fumarate (TDF)-group and 105 in the non-TDF group [75 receiving two nucleosides (69 abacavir), 25 receiving a completely nucleos(t)ide sparing regimen, and 5 receiving lamivudine as the only nucleoside]...
June 15, 2018: Journal of Infectious Diseases
Paula Fernández Martínez, Rocío Aguado García, David Emilio Barajas Galindo, Ana Hernández Moreno, Mirian Alejo Ramos, Sara García Arias, María D Ballesteros Pomar, Isidoro Manuel Cano Rodríguez
INTRODUCTION: During pregnancy, thyroid peroxidase (TPO) antibodies may increase the risk of developing subclinical hypothyroidism (SCH). Both conditions appear to be associated to maternal-fetal complications. The objectives of this study were to analyze if a relationship exists between TSH and TPO levels during pregnancy and the potential effects on gestational and perinatal complications, and to assess whether detectable, but not positive, TPO levels have an impact on development of gestational SCH...
June 14, 2018: Endocrinología, Diabetes y Nutrición
Y Kolokoltsev, I Gómez-Arista, J Garduño-Mejía, M Avendaño-Alejo, C G Treviño-Palacios, O Kolokoltsev
We present a simple low-coherence time-domain interferometric reflectometer with a rapidly scanning optical delay line (RSODL) based on a non-parallel diffraction grating (DG) pair. The novelty of the solution is that the lightwave in the reference channel is focused on a galvo-mirror in a sub-mm static spot, which allows implementation of fast microelectromechanical systems scan optics. It is shown that the DG pair can be operated as a non-dispersive element that provides dynamic group delay of a reference lightwave...
June 1, 2018: Applied Optics
G G Scott, D C Carroll, S Astbury, R J Clarke, C Hernandez-Gomez, M King, A Alejo, I Y Arteaga, R J Dance, A Higginson, S Hook, G Liao, H Liu, S R Mirfayzi, D R Rusby, M P Selwood, C Spindloe, M K Tolley, F Wagner, E Zemaityte, M Borghesi, S Kar, Y Li, M Roth, P McKenna, D Neely
A dual ion species plasma expansion scheme from a novel target structure is introduced, in which a nanometer-thick layer of pure deuterium exists as a buffer species at the target-vacuum interface of a hydrogen plasma. Modeling shows that by controlling the deuterium layer thickness, a composite H^{+}/D^{+} ion beam can be produced by target normal sheath acceleration (TNSA), with an adjustable ratio of ion densities, as high energy proton acceleration is suppressed by the acceleration of a spectrally peaked deuteron beam...
May 18, 2018: Physical Review Letters
Maria P Ribas, Sonia Almería, Xavier Fernández-Aguilar, Gabriel De Pedro, Patricia Lizarraga, Olga Alarcia-Alejos, Rafael Molina-López, Elena Obón, Hojjat Gholipour, Consuelo Temiño, Jitender P Dubey, Oscar Cabezón
Water-borne transmission may play an important role in the epidemiology of Toxoplasma gondii. Mammals closely related to freshwater ecosystems, such as the American mink (Neovison vison), are potentially valuable sentinels for T. gondii. To assess the importance of freshwater ecosystems in T. gondii epidemiology, sera of 678 American minks collected during the 2010 to 2015 Spanish national eradication campaigns were tested for the presence of T. gondii antibodies using the modified agglutination test (MAT, cut-off 1:25)...
May 21, 2018: Parasitology Research
Nemesio Villa-Ruano, Yesenia Pacheco-Hernández, Elvia Becerra-Martínez, José Alejo Zarate-Reyes, Ramiro Cruz-Duran
This study reports on the volatile profile and pharmacological activities of the essential oil and resin from Bursera slechtendalii, an aromatic medicinal tree commercialized in southern Mexico. The essential oil contained 25 volatiles including p-cymen-8-ol (25.4-35.7%), n-hexyl hexanoate (6.8-17.6%) and n-octyl hexanoate (7.6-14.8%), whereas the crystallized resin contained 14 volatiles, including n-octyl acetate (29.6-34.2%), limonene (15.8-18.7%) and n-octyl butyrate (12.6-17-6%). The inhalation of vapors from the resin and essential oil caused a significant anxiolytic-like effect (p < ...
May 16, 2018: Fitoterapia
Luz Alejo, John Atkinson, Víctor Guzmán-Fierro, Marlene Roeckel
Computational self-adapting methods (Support Vector Machines, SVM) are compared with an analytical method in effluent composition prediction of a two-stage anaerobic digestion (AD) process. Experimental data for the AD of poultry manure were used. The analytical method considers the protein as the only source of ammonia production in AD after degradation. Total ammonia nitrogen (TAN), total solids (TS), chemical oxygen demand (COD), and total volatile solids (TVS) were measured in the influent and effluent of the process...
May 16, 2018: Environmental Science and Pollution Research International
Rauf Shahbazov, Michael Fox, Jennifer L Alejo, Malik A Anjum, Feredun Azari, Alden Doyle, Avinash Agarwal, Kenneth L Brayman
Rhabdomyolysis is characterized by muscle cell death which can result in acute kidney injury from pigment nephropathy. We present a patient who developed rhabdomyolysis immediately after deceased donor kidney transplantation surgery and was managed with continuous renal replacement therapy that resulted in successful salvage of the kidney allograft. Patients who develop acute kidney failure requiring renal replacement therapy generally have a poor prognosis. It is worth noting that while continuous veno-venous hemofiltration (CVVHF) offers greater volume support and continuous clearance compared to hemodialysis (HD), recent studies have demonstrated no clinically significant improvement in clinical outcome between the two...
April 2018: Journal of Surgical Case Reports
Sharon Chen, Ryan S Cantor, Scott Auerbach, Kurt Schumacher, Christopher S Almond, Pirooz Eghtesady, Juan Alejos, Bibhuti B Das, Borah J Hong, Robert Jaquiss, James K Kirklin, Aamir Jeewa
Infections in adult ventricular assist device patients increase subsequent mortality and stroke risk. Less is known about outcomes after infections in younger patients, where diabetes and obesity, risk factors associated with poor outcomes, are less prevalent. The purpose of this study was to examine outcomes after infections in adolescents and young adults with continuous-flow left ventricular assist devices (VAD) bridged to transplant. From Pediatric Interagency Registry for Mechanically Assisted Circulatory Support and Interagency Registry for Mechanical Circulatory Support registries, we identified patients aged 12-29 years with continuous-flow VADs implanted as bridged to transplant from September 2012 to March 2016...
May 11, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Todd C Crawford, Xun Zhou, Charles D Fraser, J Trent Magruder, Alejandro Suarez-Pierre, Diane Alejo, Jennifer Bobbitt, Clifford E Fonner, Kurt Wehberg, Brad Taylor, Christopher Kwon, Michael Fiocco, John V Conte, Rawn Salenger, Glenn J Whitman
BACKGROUND: Bilateral internal mammary artery (BIMA) grafting in diabetic patients undergoing coronary artery bypass grafting (CABG) remains controversial. Our study compared morbidity and mortality between 1)diabetic and non-diabetic BIMA patients and 2)diabetic BIMA versus diabetic patients who underwent left internal mammary artery (LIMA) grafting only. METHODS: Patients who underwent isolated CABG from July 2011 - June 2016 at any of the 10 centers in Maryland were propensity scored across 16 variables...
May 11, 2018: Annals of Thoracic Surgery
Gregorio García, Pablo Palacios, Eduardo Menéndez-Proupin, Ana L Montero-Alejo, José C Conesa, Perla Wahnón
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
May 3, 2018: Scientific Reports
Alí Alejo, M Begoña Ruiz-Argüello, Sergio M Pontejo, María Del Mar Fernández de Marco, Margarida Saraiva, Bruno Hernáez, Antonio Alcamí
The role of cytokines and chemokines in anti-viral defense has been demonstrated, but their relative contribution to protective anti-viral responses in vivo is not fully understood. Cytokine response modifier D (CrmD) is a secreted receptor for TNF and lymphotoxin containing the smallpox virus-encoded chemokine receptor (SECRET) domain and is expressed by ectromelia virus, the causative agent of the smallpox-like disease mousepox. Here we show that CrmD is an essential virulence factor that controls natural killer cell activation and allows progression of fatal mousepox, and demonstrate that both SECRET and TNF binding domains are required for full CrmD activity...
May 3, 2018: Nature Communications
Feng Leng, Jiekai Yu, Chunxiao Zhang, Salvador Alejo, Nam Hoang, Hong Sun, Fei Lu, Hui Zhang
Many non-histone proteins are lysine methylated and a novel function of this modification is to trigger the proteolysis of methylated proteins. Here, we report that the methylated lysine 142 of DNMT1, a major DNA methyltransferase that preserves epigenetic inheritance of DNA methylation patterns during DNA replication, is demethylated by LSD1. A novel methyl-binding protein, L3MBTL3, binds the K142-methylated DNMT1 and recruits a novel CRL4DCAF5 ubiquitin ligase to degrade DNMT1. Both LSD1 and PHF20L1 act primarily in S phase to prevent DNMT1 degradation by L3MBTL3-CRL4DCAF5 ...
April 24, 2018: Nature Communications
Teresa Londoño, Verónica Trabado, Alejo García-Rodríguez, Pere Balfagón, Joan R Villalbí
This paper describes the use of focus groups as part of the evaluation of programmes to control food allergy and intolerance (FAI) in school settings in the city of Barcelona (Spain). After fostering their adoption and as a qualitative component of their evaluation, the public health services ran two focus groups, one with people from schools that manage their own kitchen, and another from companies that outsource this service. There were 28 participants from 46% of the centres invited. All the schools seem to have implemented a self-control programme on FAI...
April 21, 2018: Gaceta Sanitaria
R Shahbazov, M Talanian, J L Alejo, F Azari, A Agarwal, K L Brayman
Introduction: Encapsulating peritoneal sclerosis (EPS) is a clinical syndrome of progressive fibrotic change in response to prolonged, repetitive, and typically severe insult to the peritoneal mesothelium, often occurring in the setting of peritoneal dialysis (PD). Clear guidelines for successful management remain elusive. We describe the successful surgical management of EPS in a 28-year-old male s/p deceased donor kidney transplant for end-stage renal disease (ESRD) secondary to focal segmental glomerulosclerosis (FSGS)...
2018: Case Reports in Surgery
Rita García Seoane, Zulema Varela Río, Alejo Carballeira Ocaña, José Ángel Fernández Escribano, Jesús Ramón Aboal Viñas
In this study, we determined the concentrations of As, Cd and Pb in the shaft of all primary flight feathers from ten tawny owl (Strix aluco) specimens, with the aim of selecting which shaft of the corresponding primary feather should be used in biomonitoring surveys to enable inter-individual comparisons of the levels of these metals. The birds had died between 2006 and 2013 and their bodies were stored in the various Wildlife Recovery Centres in Galicia (NW Spain). The analyses revealed a high degree of inter-shaft variability, mainly in the concentrations of As and Cd...
May 2018: Environmental Science and Pollution Research International
Teresa Alejo, Vanesa Andreu, Gracia Mendoza, Victor Sebastian, Manuel Arruebo
Near-infrared (NIR) responsive nanoparticles are of great interest in the biomedical field as antennas for photothermal therapy and also as triggers for on-demand drug delivery. The present work reports the preparation of hollow gold nanoparticles (HGNPs) with plasmonic absorption in the NIR region covalently bound to a thermoresponsive polymeric shell that can be used as an on-demand drug delivery system for the release of analgesic drugs. The photothermal heating induced by the nanoparticles is able to produce the collapse of the polymeric shell thus generating the release of the local anesthetic bupivacaine in a spatiotemporally controlled way...
August 1, 2018: Journal of Colloid and Interface Science
Margaret R Wentz
Recognizing the contribution art has had in the Mayo Clinic environment since the original Mayo Clinic Building was finished in 1914, Mayo Clinic Proceedings features some of the numerous works of art displayed throughout the buildings and grounds on Mayo Clinic campuses as interpreted by the author.
April 2018: Mayo Clinic Proceedings
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