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https://www.readbyqxmd.com/read/29668132/-shtlv-i-ii-seroprevalence-in-blood-donors-of-hospital-pablo-tob%C3%A3-n-uribe-blood-bank-during-the-period-2014-2015
#1
Manuela Muñoz, Santiago Carvalho, Jorge Hernando Donado, Gloria Eugenia Barco, Sergio Jaramillo
INTRODUCTION: The human-T cell lymphotropic virus is a retrovirus with various types known so far. HTLV-I and HTLV-II are of clinically importance as they cause different diseases such as adult T-cell leukemia/lymphoma, tropical spastic paraparesis, and human T-lymphotropic virus type I-associated myelopathy (HAM). OBJECTIVE: To estimate the prevalence of presumptive and confirmatory reactivity to HTLV-I/II in blood donors of Hospital Pablo Tobón Uribe Blood Bank between 2014 and 2015...
March 15, 2018: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29668124/a-reduced-dose-of-fluconazole-as-primary-antifungal-prophylaxis-is-not-associated-with-increased-risk-of-invasive-fungal-infections-after-allogeneic-stem-cell-transplantation-from-a-hla-identical-sibling
#2
B Sarina, J Mariotti, S Bramanti, L Morabito, R Crocchiolo, A Rimondo, F Tordato, D Pocaterra, E Casari, Chiara De Philippis, C Carlo-Stella, A Santoro, L Castagna
BACKGROUND: Invasive fungal infections (IFI) represent a common side effect of allogeneic hematopoietic stem cell transplant (allo-SCT), resulting in increased non relapse mortality (NRM) and reduced overall survival (OS) rates. 75-days of Fluconazole 400 mg/day represents the standard primary antifungal prophylaxis (PAP) after allo-SCT, especially for low-risk transplants. However, the ideal dosage of fluconazole has never been tested. METHODS: Here we report the experience of our institution on 113 consecutive patients receiving an allo-SCT from a HLA identical sibling between 1999 and 2015, where PAP consisted of fluconazole 100 mg/day only during the pre-engraftment phase...
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668123/nocardia-infections-in-the-transplanted-host
#3
M Hemmersbach-Miller, J E Stout, M H Woodworth, G M Cox, J L Saullo
BACKGROUND: Nocardia are uncommon pathogens that disproportionately afflict the immunocompromised host. Epidemiology and outcome data of Nocardia infections in transplant recipients are limited. METHODS: We performed a retrospective chart review of all patients at Duke University Hospital with a history of solid organ transplant (SOT) or hematopoietic cell transplant (HCT) and at least one positive culture for Nocardia between 1996-2013. Our aim was to describe the epidemiology and outcomes of Nocardia infections in the transplanted host...
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668122/aspergillus-infection-of-the-larynx-in-a-solid-organ-transplant-recipient
#4
Andrea Wisniowski-Yáñez, Jaqueline Ramírez-Anguiano, Rodrigo Rosado-Canto, Adolfo Valdivia-Cayoja, Teresa Pérez-Gutiérrez, Jennifer Cuellar-Rodriguez
Primary laryngeal aspergillosis is a rare condition. Only a few cases have been reported in the past years. Most of them have been reported in healthy patients or with a mild immunocompromised state. We report a case of primary laryngeal aspergillosis in a solid-organ transplant recipient (SOT), an infection not previously described in this population; we reviewed the published literature in all populations. This article is protected by copyright. All rights reserved.
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668121/lipofection-of-plasmid-dna-into-human-mast-cell-lines-using-lipid-nanoparticles-generated-by-microfluidic-mixing
#5
Brett A Duguay, Kate Wei-Chen Huang, Marianna Kulka
Mast cells are important immune cells that have significant roles in mediating allergy and asthma. Therefore, studying the molecular mechanisms regulating these and other processes in mast cells is important to elucidate. Methods such as lipofection, transduction, and electroporation are often employed to dissect these mechanisms by disrupting gene expression in mast cell lines. However, as with other leukocytes, human mast cells (HMCs) are often refractory to the delivery of plasmids by lipofection. In this study, we investigated the utility of lipid nanoparticles (LNPs) containing the ionizable cationic lipids 1,2-dioleoyloxy-3-dimethylaminopropane, 1,2-dioleyloxy-3-dimethylaminopropane, or 2,2-dilinoleyl-4-(2-dimethylaminoethyl)-[1,3]-dioxolane for the delivery of plasmid DNA into HMC lines...
April 18, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29668120/cytomegalovirus-infection-in-living-donor-liver-transplant-recipients-significantly-impacts-the-early-post-transplant-outcome-a-single-center-experience
#6
Sanjay Kumar Yadav, Sanjiv Saigal, Narendra Singh Choudhary, Sujeet Saha, Jayant Kumar Sah, Neeraj Saraf, Naveen Kumar, Sanjay Goja, Amit Rastogi, Prashant Bhangui, A S Soin
BACKGROUND: Cytomegalovirus (CMV) is the most common viral infection in liver transplant recipients that influences the outcomes of liver transplantation. However, its impact on early outcomes following living donor liver transplantation (LDLT) is not fully defined in the Indian subcontinent. This study was done to assess the impact of CMV infection on early post-transplant outcomes in LDLT recipients. METHODS: Out of 272 LDLTs performed from January 2012 to April 2013, 151 recipients underwent CMV viral load analysis in plasma within 90 days post LDLT based on clinical suspicion...
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668117/development-of-molecular-therapies-for-venous-malformations
#7
Jaakko Kangas, Marjut Nätynki, Lauri Eklund
Vascular anomalies are localized defects of morphogenesis that can affect lymphatic and blood vessels. They are generally called birthmarks, typically observed soon after birth and occurring in up to 10% of children. Based on their clinical and histological characteristics, they are classified into vascular tumours and vascular malformations. The most common malformations are venous malformations (VMs) resulting in chronic vascular diseases that can be associated with significant morbidity necessitating often demanding and repeating clinical management...
April 18, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29668111/efficient-in-planta-gene-targeting-in-tomato-using-geminiviral-replicons-and-the-crispr-cas9-system
#8
Tal Dahan-Meir, Shdema Filler-Hayut, Cathy Melamed-Bessudo, Samuel Bocobza, Henryk Czosnek, Asaph Aharoni, Avraham A Levy
Current breeding relies mostly on random mutagenesis and recombination to generate novel genetic variation. However, targeted genome editing is becoming an increasingly important tool for precise plant breeding. Using the CRISPR-Cas system combined with the bean yellow dwarf virus rolling circle replicon we optimized a method for targeted mutagenesis and gene replacement in tomato. The carotenoid isomerase (CRTISO) and phytoene synthase 1 (PSY1) genes from the carotenoid biosynthesis pathway were chosen as targets due to their easily detectable change of phenotype...
April 18, 2018: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/29668110/phenylbutyl-isoselenocyanate-induces-reactive-oxygen-species-to-inhibit-androgen-receptor-and-to-initiate-p53-mediated-apoptosis-in-lncap-prostate-cancer-cells
#9
Wei Wu, Deepkamal Karelia, Kartick Pramanik, Shantu G Amin, Arun K Sharma, Cheng Jiang, Junxuan Lu
Previous studies have established the in vivo bioavailability and efficacious dosages of phenylbutyl isoselenocyanate (ISC-4), a selenium-substituted isothiocyanate, against mouse xenograft models of human melanoma and colorectal cancer. To explore its potential attributes against prostate cancer, we treated human LNCaP prostate cancer cells with ISC-4 and examined their apoptosis responses, and interrogated the signaling mechanisms through pharmacological and siRNA knockdown approaches. Our results show that ISC-4 was more potent at inducing apoptosis than its sulfur analog phenylbutyl isothiocyanate (PBITC) without suppressing protein kinase AKT Ser473 phosphorylation...
April 18, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29668109/coevolution-of-virulence-and-immunosuppression-in-multiple-infections
#10
Tsukushi Kamiya, Nicole Mideo, Samuel Alizon
Many components of host-parasite interactions have been shown to affect the way virulence (i.e., parasite-induced harm to the host) evolves. However, coevolution of multiple parasite traits is often neglected. We explore how an immunosuppressive mechanism of parasites affects and coevolves with virulence through multiple infections. Applying the adaptive dynamics framework to epidemiological models with coinfection, we show that immunosuppression is a double-edgedsword for the evolution of virulence. On one hand, it amplifies the adaptive benefit of virulence by increasing the abundance of coinfections through epidemiological feedbacks...
April 18, 2018: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29668107/plant-cuticle-under-global-change-biophysical-implications
#11
José A Heredia-Guerrero, Susana Guzman-Puyol, José J Benítez, Athanassia Athanassiou, Antonio Heredia, Eva Domínguez
The climatic stressors that modify the chemical composition of plant tissues have been recently reviewed by Suseela and Tharayil (2017). In particular, the authors stated that the response of plants to global change effects (viz. increasing temperatures and frequent drought periods) can induce important modifications in plant cuticles such as an increase of the main cuticle components (cutin and polysaccharides), a preponderance of cutan, heavier wax loads, and changes in the chemical composition of waxes, mainly the accumulation of longer aliphatic compounds...
April 18, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29668100/interpretability-in-atopic-dermatitis-all-about-the-anchor
#12
J A F Oosterhaven
No abstract text is available yet for this article.
April 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29668082/altered-stress-hormone-response-following-acute-exercise-during-prostate-cancer-treatment
#13
Erik D Hanson, Samy Sakkal, William S Evans, John A Violet, Claudio L Battaglini, Glenn K McConell, Alan Hayes
Exercise training reduces the side effects of cancer treatments, however, the stress hormone response to acute exercise during prostate cancer (PCa) treatment is unclear. PURPOSE: To examine the effects of acute exercise on circulating cortisol, epinephrine (Epi), and norepinephrine (NE) concentrations during PCa treatment with and without androgen deprivation therapy (ADT). METHODS: Men with PCa (n=11), with PCa on ADT (n=11) and non-cancer controls (n=8) had blood samples for stress hormones collected before and immediately (0h), 2h, and 24h after 45 minutes of intermittent cycling at 60% of peak wattage...
April 18, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29668079/co-culture-of-adipose-derived-stem-cells-and-chondrocytes-on-three-dimensionally-printed-bioscaffolds-for-craniofacial-cartilage-engineering
#14
Robert J Morrison, Hassan B Nasser, Khaled N Kashlan, David A Zopf, Derek J Milner, Colleen L Flanangan, Matthew B Wheeler, Glenn E Green, Scott J Hollister
OBJECTIVES/HYPOTHESIS: Reconstruction of craniofacial cartilagenous defects are among the most challenging surgical procedures in facial plastic surgery. Bioengineered craniofacial cartilage holds immense potential to surpass current reconstructive options, but limitations to clinical translation exist. We endeavored to determine the viability of utilizing adipose-derived stem cell-chondrocyte co-culture and three-dimensional (3D) printing to produce 3D bioscaffolds for cartilage tissue engineering...
April 18, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29668078/adherence-and-immune-response-to-revaccination-following-hematopoietic-stem-cell-transplantation-at-a-pediatric-onco-hematology-reference-center
#15
Fernanda Gouveia-Alves, Roseane Gouveia, Valéria C Ginani, Adriana Seber, Danielle A Kuramoto, Gabriel F A Murad, Fernanda G Spina, Antonio S Petrilli, Victor G Zecchin, Celso Granato, Fabianne Carlesse, M Isabel de Moraes-Pinto
BACKGROUND: Revaccination after hematopoietic stem cell transplantation (HSCT) is necessary to compensate for the loss of immunological memory. The aims of this study were to evaluate the adherence to revaccination schedule and the humoral immune response to different vaccine antigens in HSCT pediatric and young adult patients. METHODS: Patients submitted to HSCT for over 3 years were recruited. After written informed consent, a questionnaire was filled in, the vaccination card was analyzed, a blood sample was collected and tested by ELISA for diphtheria, Haemophilus influenzae type b (Hib), hepatitis A, hepatitis B, tetanus, measles, rubella and varicella antibodies...
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668077/jc-and-bk-virus-dna-detection-in-archival-slides-of-urine-cytospin-from-renal-transplant-patients
#16
Patricia Assis, Carlos Eduardo Carvalho, Marcelo Soares Silva, Bruna Ribeiro, Maria da Gloria Carvalho
BACKGROUND: Although identifying cytological viral inclusions (decoy cells) in the urine is relatively easy, distinguishing between Polyomaviruses BKV and JCV is not possible. Few studies have been published regarding JCV detection in kidney transplant recipients. OBJECTIVE: To evaluate the incidence of BKV and JCV DNA in archival slides of urine cytospin material from renal transplant patients. METHODS: A total of 44 urine specimens were evaluated cytologically for the presence of viral inclusions (decoy cells) and by nested polymerase chain reaction to differentiate between JCV and BKV in DNA isolated from archival slides of urine cytospin material...
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668076/comparative-analyses-of-the-gut-microbiota-among-three-different-wild-geese-species-in-the-genus-anser
#17
Wen Wang, Yingbao Liu, Yongsheng Yang, Aizhen Wang, Kirill Sharshov, Yao Li, Mengyao Cao, Puzhen Mao, Laixing Li
In this study, we characterized for the first time the gut microbiota of Greylag geese (Anser anser) using high-throughput 16S rRNA gene sequencing technology. The results showed that the phyla Firmicutes (78.55%), Fusobacteria (9.38%), Proteobacteria (7.55%), Bacteroidetes (1.82%), Cyanobacteria (1.44%), and Actinobacteria (0.61%) dominated the gut microbial communities in the Greylag geese. Then, the variations of gut microbial community structures and functions among the three geese species, Greylag geese, Bar-headed geese (Anser indicus), and Swan geese (Anser cygnoides), were explored...
April 18, 2018: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29668074/a-20-year-experience-with-nocardiosis-in-solid-organ-transplant-sot-recipients-in-the-southwestern-united-states-a-single-center-study
#18
Aneela Majeed, Norman Beatty, Ahmad Iftikhar, Adeela Mushtaq, Julia Fisher, Pryce Gaynor, Jeeyong C Kim, Jose Luis Marquez, Francisco E Mora, Anca Georgescu, Tirdad Zangeneh
BACKGROUND: Nocardiosis is a life-threatening opportunistic infection. Solid organ transplant (SOT) recipients are at higher risk (incidence 0.04% to 3.5%) of developing nocardiosis. Rate of nocardiosis in the Southwestern US may be high due to environmental factors. METHODS: We performed a retrospective review study on 54 SOT patients diagnosed with Nocardia between 1997 and 2016 at our center. To explore the association of various risk factors with both the development of disseminated disease and mortality, a series of Fisher's exact tests was used...
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668073/sequential-systematic-anti-mold-prophylaxis-with-micafungin-and-voriconazole-results-in-very-low-incidence-of-invasive-mold-infections-in-patients-undergoing-allogeneic-hematopoietic-stem-cell-transplantation
#19
Claudia Rosillo, Ana Maria Avila, Yao-Ting Huang, Sean Devlin, Christina Cho, Juan Montoro, Molly A Maloy, Genovefa A Papanicolaou, Pere Barba, Miguel-Angel Perales
BACKGROUND AND OBJECTIVES: Recipients of allogeneic hematopoietic stem cell transplantation (allo-HSCT) are at high risk for invasive mold infections (IMI). The goal of the study is to describe the incidence and outcome of IMI in patients after allo-HSCT in a large cohort of patients receiving anti-mold prophylaxis. METHODS: We conducted a retrospective review of 988 consecutive adults who underwent allo-HSCT in our center from 2008 through 2014. Standard prophylaxis consisted of micafungin 150mg IV daily from admission to day +7 +/- 3 followed by voriconazole until day +75 to +100...
April 18, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29668072/a-unique-telomere-dna-expansion-phenotype-in-human-retinal-rod-photoreceptors-associated-with-aging-and-disease
#20
W Robert Bell, Alan K Meeker, Anthony Rizzo, Sumit Rajpara, Ian M Rosenthal, Miguel Flores Bellver, Silvia Aparicio Domingo, Xiufeng Zhong, John R Barber, Corinne E Joshu, M Valeria Canto-Soler, Charles G Eberhart, Christopher M Heaphy
We have identified a discrete, focal telomere DNA expansion phenotype in the photoreceptor cell layer of normal, non-neoplastic human retinas. This phenotype is similar to that observed in a subset of human cancers, including a large fraction of tumors of the central nervous system, which maintain their telomeres via the non-telomerase-mediated alternative lengthening of telomeres (ALT) mechanism. We observed that these large, ultra-bright telomere DNA foci are restricted to the rod photoreceptors and are not observed in other cell types...
April 18, 2018: Brain Pathology
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