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https://www.readbyqxmd.com/read/27932551/antigen-unmasking-enhances-visualization-efficacy-of-the-oocyte-activation-factor-phospholipase-c-zeta-in-mammalian-sperm
#1
Junaid Kashir, Luke Buntwal, Michail Nomikos, Brian L Calver, Panagiotis Stamatiadis, Peter Ashley, Vyronia Vassilakopoulou, David Sanders, Paul Knaggs, Evangelia Livaniou, Adnan Bunkheila, Karl Swann, F Anthony Lai
STUDY QUESTION: Is it possible to improve clinical visualization of phospholipase C zeta (PLCζ) as a diagnostic marker of sperm oocyte activation capacity and male fertility? SUMMARY ANSWER: Poor PLCζ visualization efficacy using current protocols may be due to steric or conformational occlusion of native PLCζ, hindering antibody access, and is significantly enhanced using antigen unmasking/retrieval (AUM) protocols. WHAT IS KNOWN ALREADY: Mammalian oocyte activation is mediated via a series of intracellular calcium (Ca(2+)) oscillations induced by sperm-specific PLCζ...
December 8, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27931583/acute-graft-vs-host-disease-after-liver-transplantation-experience-at-a-high-volume-liver-transplantation-center-in-korea
#2
W H Kang, S Hwang, G W Song, D H Jung, G C Park, C S Ahn, D B Moon, K H Kim, T Y Ha, W J Kim, S H Kim, H D Cho, J H Kwon, E K Jwa, S G Lee
BACKGROUND: Acute graft-vs-host disease (GVHD) is a rare but life-threatening complication of orthotopic liver transplantation (OLT). We present 6 cases of GVHD after OLT. METHODS: Among our 4294 OLT recipients, we identified 6 patients (0.14%) who were diagnosed with GVHD. Their medical records were reviewed retrospectively. RESULTS: Liver graft types included deceased donor whole liver graft (n = 3) and right liver graft from son (n = 3)...
December 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27929399/the-effects-of-different-garlic-derived-allyl-sulfides-on-anaerobic-sulfur-metabolism-in-the-mouse-kidney
#3
Małgorzata Iciek, Anna Bilska-Wilkosz, Magdalena Górny, Maria Sokołowska-Jeżewicz, Danuta Kowalczyk-Pachel
Diallyl sulfide (DAS), diallyl disulfide (DADS) and diallyl trisulfide (DATS) are major oil-soluble organosulfur compounds of garlic responsible for most of its pharmacological effects. The present study investigated the influence of repeated intraperitoneally (ip) administration of DAS, DADS and DATS on the total level of sulfane sulfur, bound sulfur (S-sulfhydration) and hydrogen sulfide (H₂S) and on the activity of enzymes, which catalyze sulfane sulfur formation and transfer from a donor to an acceptor in the normal mouse kidney, i...
December 5, 2016: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/27928011/high-prevalence-of-infectious-adeno-associated-virus-aav-in-human-peripheral-blood-mononuclear-cells-indicative-of-t-lymphocytes-as-sites-of-aav-persistence
#4
Daniela Hüser, Dina Khalid, Timo Lutter, Eva-Maria Hammer, Stefan Weger, Melanie Heßler, Ulrich Kalus, Yvonne Tauchmann, Karin Hensel-Wiegel, Dirk Lassner, Regine Heilbronn
: Seroepidemiology shows that infections with adeno-associated virus (AAV) are widespread, but diverse AAV serotypes isolated from man or non-human primates have so far not been proven as causes of human disease. In view of the increasing success of AAV-derived vectors in human gene therapy, the definition of the in vivo sites of wild-type AAV persistence and clinical consequences of its reactivation are becoming increasingly urgent.Here, we identified the presumed cell-type for AAV persistence in the human host, by highly sensitive AAV PCRs developed for the full spectrum of human AAV serotypes...
December 7, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27923603/repeated-human-leukocyte-antigen-mismatches-in-lung-re-transplantation
#5
Wiebke Sommer, Michael Hallensleben, Fabio Ius, Christian Kühn, Igor Tudorache, Murat Avsar, Jawad Salman, Thierry Siemeni, Mark Greer, Jens Gottlieb, Dietmar Boethig, Rainer Blasczyk, Axel Haverich, Gregor Warnecke
BACKGROUND: The role of HLA-sensitization in the absence of detectable DSA in lung re-transplantation is unclear. Antigens of the second donor matching the HLA typing of the first donor are considered 'unacceptable', by some tissue typing laboratories, especially in kidney re-transplantation. METHODS: Thus, we performed a retrospective analysis of all lung re-transplantations focussing on the impact of HLA-homologies between the first and the second donor ('unacceptable' antigens; repeated HLA mismatch) on patient and graft survival...
December 3, 2016: Transplant Immunology
https://www.readbyqxmd.com/read/27918651/rational-design-of-high-performance-wide-bandgap-%C3%A2-2-ev-polymer-semiconductors-as-electron-donors-in-organic-photovoltaics-exhibiting-high-open-circuit-voltages-%C3%A2-1-v
#6
Christos L Chochos, Athanasios Katsouras, Nicola Gasparini, Chrysanthos Koulogiannis, Tayebeh Ameri, Christoph J Brabec, Apostolos Avgeropoulos
Systematic optimization of the chemical structure of wide-bandgap (≈2.0 eV) "donor-acceptor" copolymers consisting of indacenodithiophene or indacenodithieno[3,2-b]thiophene as the electron-rich unit and thieno[3,4-c]pyrrole-4,6-dione as the electron-deficient moiety in terms of alkyl side chain engineering and distance of the electron-rich and electron-deficient monomers within the repeat unit of the polymer chain results in high-performance electron donor materials for organic photovoltaics. Specifically, preliminary results demonstrate extremely high open circuit voltages (V oc s) of ≈1...
December 5, 2016: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/27910095/a-comparison-of-methods-for-estimating-the-incidence-of-human-immunodeficiency-virus-infection-in-repeat-blood-donors
#7
Donald J Brambilla, Michael P Busch, Roger Y Dodd, Simone A Glynn, Steven H Kleinman
BACKGROUND: The incidence of human immunodeficiency virus (HIV) in repeat blood donors has been estimated using seven methods. Although incidence is always calculated as cases per person-time, approaches to selecting cases and calculating person-time vary. Incidence estimates have not been compared among methods. STUDY DESIGN AND METHODS: The seven methods were compared in a simulation study. Because three methods used information from donations made before an estimation interval, 8 years of donation and infection history were simulated, and Years 7 and 8 were treated as the estimation interval for all methods...
December 1, 2016: Transfusion
https://www.readbyqxmd.com/read/27898094/crispr-cas9-aav-mediated-knock-in-at-nrl-locus-in-human-embryonic-stem-cells
#8
Xianglian Ge, Haitao Xi, Fayu Yang, Xiao Zhi, Yanghua Fu, Ding Chen, Ren-He Xu, Ge Lin, Jia Qu, Junzhao Zhao, Feng Gu
Clustered interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9)-mediated genome engineering technologies are sparking a new revolution in biological research. This technology efficiently induces DNA double strand breaks at the targeted genomic sequence and results in indel mutations by the error-prone process of nonhomologous end joining DNA repair or homologous recombination with a DNA repair template. The efficiency of genome editing with CRISPR/Cas9 alone in human embryonic stem cells is still low...
November 29, 2016: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/27896259/prenatal-diagnosis-of-spontaneous-twin-anemia-polycythemia-sequence-and-postnatal-examination-of-placental-vascular-anastomoses
#9
Jin Young Bae, Jin Ju Oh, Seong Yeon Hong
Twin anemia-polycythemia sequence (TAPS) is characterized by a wide discrepancy of hemoglobin between two monochorionic fetuses without sign of twin oligo-polyhydramnios sequence. A primiparous woman with monochorionic diamniotic twin transferred for preterm labor. Ultrasonographic evaluation at 32+3 weeks of gestation revealed increased middle cerebral artery-peak systolic velocity (77.4 cm/sec, 1.69 multiples of median) in donor and decreased in recipient twin (36.4 cm/sec, 0.79 multiples of median), the twin was diagnosed with TAPS...
November 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27895501/a-fish-based-method-for-assessment-of-her-2-amplification-status-in-breast-cancer-circulating-tumor-cells-following-cellsearch-isolation
#10
Henrik Frithiof, Kristina Aaltonen, Lisa Rydén
INTRODUCTION: Amplification of the HER-2/neu (HER-2) proto-oncogene occurs in 10%-15% of primary breast cancer, leading to an activated HER-2 receptor, augmenting growth of cancer cells. Tumor classification is determined in primary tumor tissue and metastatic biopsies. However, malignant cells tend to alter their phenotype during disease progression. Circulating tumor cell (CTC) analysis may serve as an alternative to repeated biopsies. The Food and Drug Administration-approved CellSearch system allows determination of the HER-2 protein, but not of the HER-2 gene...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27893612/the-influence-of-timing-and-frequency-of-adipose-derived-mesenchymal-stem-cell-therapy-on-immunomodulation-outcomes-after-vascularized-composite-allotransplantation
#11
Jan A Plock, Jonas T Schnider, Riccardo Schweizer, Wensheng Zhang, Wakako Tsuji, Matthias Waldner, Mario G Solari, Kacey G Marra, J Peter Rubin, Vijay S Gorantla
BACKGROUND: Cellular therapies for immunomodulation in vascularized composite allotransplantation (VCA) have gained importance due to their potential minimization of immunosuppression. Adipose-derived mesenchymal stem cells (AD-MSCs) especially have shown encouraging potential. We investigated the influence of timing and frequency of AD-MSC-treatment on immunologic and graft survival as well as graft vasculopathy (GV) outcomes after VCA. METHODS: Lewis (LEW) rats received full-mismatched Brown Norway (BN) rat hindlimb transplants...
November 23, 2016: Transplantation
https://www.readbyqxmd.com/read/27890896/interventional-treatment-of-severe-portal-vein-thrombosis-after-living-donor-liver-transplantation
#12
Youichi Kawano, Satoru Murata, Nobuhiko Taniai, Masato Yoshioka, Atsushi Hirakata, Yoshiaki Mizuguchi, Tetsuya Shimizu, Tomohiro Kanda, Junji Ueda, Hideyuki Takada, Hiroshi Yoshida, Koho Akimaru, Shiro Onozawa, Shinichirou Kumita, Eiji Uchida
Portal vein thrombosis (PVT) is a rare complication of liver transplantation which can lead to graft failure and patient death. Treatment can be difficult, especially in cases of PVT from the intrahepatic portal vein to the proximal jejunal veins. A 55-year-old woman had undergone living-donor liver transplantation with splenectomy for end-stage liver cirrhosis due to hepatitis C with hepatocellular carcinoma. Ten months after transplantation, massive ascites and slight abdominal pain developed, and computed tomography revealed a PVT between the intrahepatic portal vein and the superior mesenteric vein...
2016: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/27889116/total-phallic-reconstruction-using-radial-forearm-free-flap-after-iatrogenic-penile-amputation
#13
J C Angulo, I Arance, C Gómez-Llorens, C Esquinas, C Gómez-Martín, J L Fernández-Cañamaque
INTRODUCTION: The iatrogenic loss of the penis is a rare situation. We present a challenging case of deferred total penile reconstruction in a genetic male. MATERIAL AND METHODS: A 57-year-old man with the loss of the penis due to a penile abscess and necrosis secondary to penile curvature surgery. The reconstruction was performed over several operations using a radial forearm free flap (RFFF) and placement of a customised inflatable prosthesis a year later. RESULTS: During the first operation, the penile abscess was drained, the necrotic residues were debrided and placement of hypogastric drainage...
November 23, 2016: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/27888161/sensitization-of-immune-cells-following-hexylaminolevulinate-photodynamic-therapy-of-cervical-intraepithelial-neoplasia
#14
Ralf Hass, Roland Jacobs, Andreas M Kaufmann, Peter Hillemanns, Philipp Soergel
BACKGROUND: Effects of photodynamic therapy (PDT) were tested with respect to immune cell stimulation in cervical intraepithelial neoplasia (CIN). METHODS: A patient with CIN received hexaminolevulinate (HAL) and subsequent PDT. These data were compared to a placebo PDT patient and a healthy HPV16-vaccinated donor. Isolation of peripheral blood mononuclear cells (PBMC) was performed before PDT and at 4 different time points after PDT. The proliferation of these PBMC was tested by [(3)H]thymidine incorporation following stimulation with control or HPV16-L1 peptides...
November 22, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27875070/competitive-funding-strategies-for-the-conquer-cancer-foundation-of-asco
#15
Tanios Bekaii-Saab, Sanjay Goel, Adrien Dickerson, Jamie Von Roenn, Michael A Thompson, Anne S Tsao
PURPOSE: The Conquer Cancer Foundation (CCF), the philanthropic arm of ASCO, is responsible for funding innovative clinical research. CCF wants to broaden its donor base instead of relying predominantly on health-care companies. Our Leadership Development Program (LDP) group was tasked with identifying potential donor sources and making recommendations to increase funding. MATERIALS AND METHODS: We selected three sources to research: the general public, crowdsourcing/social media, and ASCO members...
November 22, 2016: Journal of Oncology Practice
https://www.readbyqxmd.com/read/27870355/impact-of-genomic-risk-factors-on-survival-after-haematopoietic-stem-cell-transplantation-for-patients-with-acute-leukaemia
#16
K F Pearce, Y Balavarca, J Norden, G Jackson, E Holler, R Dressel, H Greinix, A Toubert, E Gluckman, I Hromadnikova, P Sedlacek, D Wolff, U Holtick, H Bickeböller, A M Dickinson
The EBMT risk score is an established tool successfully used in the prognosis of survival post-HSCT and is applicable for a range of haematological disorders. One of its main advantages is that score generation involves summation of clinical parameters that are available pretransplant. However, the EBMT risk score is recognized as not being optimal. Previous analyses, involving patients with various diagnoses, have shown that non-HLA gene polymorphisms influence outcome after allogeneic HSCT. This study is novel as it focuses only on patients having acute leukaemia (N = 458) and attempts to demonstrate how non-HLA gene polymorphisms can be added to the EBMT risk score in a Cox regression model to improve prognostic ability for overall survival...
December 2016: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/27862962/effect-of-replacing-race-with-apolipoprotein-l1-genotype-in-calculation-of-kidney-donor-risk-index
#17
B A Julian, R S Gaston, W M Brown, A M Reeves-Daniel, A K Israni, D P Schladt, S O Pastan, S Mohan, B I Freedman, J Divers
Renal allografts from deceased African Americans with two apolipoprotein L1 gene (APOL1) renal-risk variants fail sooner than kidneys from donors with fewer variants. Kidney Donor Risk Index (KDRI) was developed to evaluate organ offers by predicting allograft longevity and includes African American race as a risk factor. Substituting APOL1 genotype for race may refine the KDRI. For 622 deceased African American kidney donors, we applied 10-fold cross-validation approach to estimate contribution of APOL1 variants to a revised KDRI...
November 14, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27859323/no-association-between-frequent-apheresis-donation-and-risk-of-fractures-a-retrospective-cohort-analysis-from-sweden
#18
Katrine Grau, Senthil K Vasan, Klaus Rostgaard, Walter Bialkowski, Rut Norda, Henrik Hjalgrim, Gustaf Edgren
BACKGROUND: Citrate anticoagulation during apheresis induces transient alterations in calcium homeostasis. It is unknown whether the repeated, transient alterations in calcium homeostasis experienced by repeated apheresis donors affects bone turnover to increase fracture risk. Our aim was to investigate the risk of osteoporotic and nonosteoporotic fracture among voluntary, frequent apheresis donors. STUDY DESIGN AND METHODS: All apheresis donors were identified from the Scandinavian Donations and Transfusions database (SCANDAT2), which includes information on over 1...
November 18, 2016: Transfusion
https://www.readbyqxmd.com/read/27857034/superficial-temporal-artery-to-middle-cerebral-artery-bypass-with-interposed-saphenous-vein-graft-in-patients-with-atherosclerotic-internal-carotid-artery-occlusive-disease-and-impaired-cerebral-hemodynamics
#19
Petr Galkin, Artem Gushcha, Andrey Chechetkin, Irina Krotenkova
BACKGROUND: The aim of this study was to evaluate the efficacy of interposed saphenous vein graft (SVG) usage during extracranial-intracranial (EC-IC) bypass surgery in patients with cerebral ischemia and appropriate donor artery absence. METHODS: Since October 2010 till January 2014, 62 EC-IC bypass surgeries were applied in 60 patients. In nineteen patients SVG was used to create low-flow bypasses between superficial temporal artery trunk and cortical segment of middle cerebral artery...
February 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27853634/dynamic-alterations-of-bone-marrow-cytokine-landscape-of-myelodysplastic-syndromes-patients-treated-with-5-azacytidine
#20
Alena Moudra, Sona Hubackova, Veronika Machalova, Marketa Vancurova, Jiri Bartek, Milan Reinis, Zdenek Hodny, Anna Jonasova
Myelodysplastic syndromes (MDS) represent a heterogeneous group of clonal stem cell disorders characterized by ineffective hematopoiesis frequently progressing into acute myeloid leukemia (AML), with emerging evidence implicating aberrant bone marrow (BM) microenvironment and inflammation-related changes. 5-azacytidine (5-AC) represents standard MDS treatment. Besides inhibiting DNA/RNA methylation, 5-AC has been shown to induce DNA damage and apoptosis in vitro. To provide insights into in vivo effects, we assessed the proinflammatory cytokines alterations during MDS progression, cytokine changes after 5-AC, and contribution of inflammatory comorbidities to the cytokine changes in MDS patients...
2016: Oncoimmunology
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