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Egor Bobrov, Natalia Skobeleva, Diana Restifo, Natalya Beglyarova, Kathy Q Cai, Elizabeth Handorf, Kerry Campbell, David A Proia, Vladimir Khazak, Erica A Golemis, Igor Astsaturov
The lack of effective treatment modalities is a major problem in pancreatic cancer (PCa), a devastating malignancy that is nearly universally driven by the "undruggable" KRAS and TP53 cancer genes. Poor tumor tissue penetration is the major source of resistance in pancreatic cancer where chemotherapy is the mainstay of treatment. In this study we exploited the selective tumor-targeting properties of the heat shock 90 protein inhibitors as the vehicle for drug delivery to pancreatic tumor tissues. STA-12-8666 is a novel esterase-cleavable conjugate of an HSP90i and a topoisomerase I inhibitor, SN-38...
October 13, 2016: Oncotarget
Robert A Sershon, Alejandro Diaz, Daniel D Bohl, Brett R Levine
BACKGROUND: Digital templating is becoming more prevalent in orthopedics. Recent investigations report high accuracy using digital templating in total hip arthroplasty (THA); however, the effect of body mass index (BMI) on templating accuracy is not well described. METHODS: Digital radiographs of 603 consecutive patients (645 hips) undergoing primary THA by a single surgeon were digitally templated using OrthoView (Jacksonville, FL). A 25-mm metallic sphere was used as a calibration marker...
September 28, 2016: Journal of Arthroplasty
Huanhuan Li, Bo Jiang, Jingchang Wang, Yuqing Lu, Jinpeng Zhang, Cuili Pan, Xinming Yang, Xiuquan Li, Weihua Liu, Lihui Li
A physical map of Agropyron cristatum 2P chromosome was constructed for the first time and the novel powdery mildew resistance gene(s) from chromosome 2P was(were) also mapped. Agropyron cristatum (L.) Gaertn. (2n = 28, PPPP), a wild relative of common wheat, is highly resistant to powdery mildew. Previous studies showed that wheat-A. cristatum 2P disomic addition line II-9-3 displayed high resistance to powdery mildew, and the resistance was attributable to A. cristatum chromosome 2P. To utilize and physically map the powdery mildew resistance gene(s), 15 wheat-A...
October 22, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
Anita D'Anselmo, Daniele Marzoli, Alfredo Brancucci
The role of memory retention and attentional control on hemispheric asymmetry was investigated using a verbal dichotic listening paradigm, with the consonant-vowel syllables (/ba/,/da/,/ga/,/ka/,/pa/and/ta/), while manipulating the focus of attention and the time interval between stimulus and response. Attention was manipulated using three conditions: non-forced (NF), forced left (FL) and forced right (FR) attention. Memory involvement was varied using four delays (0, 1, 3 and 4 s) between stimulus presentation and response...
October 19, 2016: Hearing Research
Yuhong Liu, Linlin Zhao, Jin Zhang, Jinzha Zhang, Wenbo Zhao, Chun Mao
The work investigates a new fluorescence resonance energy transfer (FRET) system using NaEuF4 nanoparticles (NPs) and Au@Ag2S NPs as the energy donor-acceptor pair for the first time. The NaEuF4/Au@Ag2S NPs-based FRET DNA sensor was constructed with NaEuF4 NPs as the fluorescence (FL) donor and Au@Ag2S core-shell NPs as FL acceptor. In order to find the matching energy acceptor, the amount of AgNO3 and Na2S were controlled in the synthesis process to overlap the absorption spectrum of energy acceptor with the emission spectrum of energy donors...
December 1, 2016: Talanta
Connie F Matthiesen, Anne-Helene Tauson
BACKGROUND: Malnutrition in fetal life and during suckling have in some animal studies resulted in adaptive changes related to the fat and glucose metabolism, which in the long term might predispose the offspring for metabolic disorders such as obesity later in life. The objective was to study the effect of fetal life malnutrition in male mink on the gene expression of leptin and adiponectin in different adipose tissue sites. RESULTS: Thirty-two male mink, strict carnivore species, exposed to low (FL) or adequate (FA) protein provision the last 16...
October 20, 2016: Acta Veterinaria Scandinavica
Arash Latifoltojar, Margaret Hall-Craggs, Neil Rabin, Rakesh Popat, Alan Bainbridge, Nikolaos Dikaios, Magdalena Sokolska, Ali Rismani, Shirley D'Sa, Shonit Punwani, Kwee Yong
Cross-sectional imaging techniques are being increasingly used for disease evaluation in patients with multiple myeloma. Whole body magnetic resonance imaging (WB-MRI) scanning is superior to plain radiography in baseline assessment of patients but changes following treatment have not been systematically explored. We carried out paired WB-MRI scans in 21 newly diagnosed patients prior to, and 8-weeks after, starting chemotherapy, and analysed stringently selected focal lesions (FLs) for parametric changes. A total of 323 FLs were evaluated, median 20 per patient...
October 21, 2016: British Journal of Haematology
Emilia Pachulec, Vanessa Neitzke-Montinelli, João P B Viola
Nuclear factor of activated T cells (NFAT) 2 null mutant mice die in utero of cardiac failure, precluding analysis of the role of NFAT2 in lymphocyte responses. Only the NFAT2(-/-)/Rag-1(-/-) chimeric mice model gave insight into the role of NFAT2 transcription factor in T lymphocyte development, activation, and differentiation. As reports are mainly focused on the role of NFAT2 in CD4(+) T lymphocytes activation and differentiation, we decided to investigate NFAT2's impact on CD8(+) T lymphocyte responses...
2016: Frontiers in Immunology
Gary Phillips, Ernest C Bernard, Robert J Pivar, John K Moulton, Rowland M Shelley
Twenty-four individuals of Narceus gordanus (Diplopoda: Spirobolidae) were collected in Ocala National Forest, FL, between November 2013 and July 2014. Each specimen was dissected to extract the intestine, which was removed and examined for parasitic nematodes. Coronostoma claireae n. sp. was collected from the hindgut and midgut of 10 specimens, and its morphology was examined with brightfield, differential interference contrast, phase contrast, and scanning electron microscopy. This species is separated from other Coronostoma spp...
September 2016: Journal of Nematology
Erika Roddy, Mohammad Diab
BACKGROUND CONTEXT: Short-term readmission rates are becoming widely utilized as a quality and performance metrics for hospitals. Data on unplanned short-term readmission after spine fusion for deformity in pædiatric patients is limited. PURPOSE: To characterize the rate and risk factors for short-term readmission after spine fusion for deformity in pædiatric patients. STUDY DESIGN: Retrospective cohort study PATIENT SAMPLE: State In-Patient Databases from NY, UT, NE, FL, NC (years 2006-2010) and CA (years 2006-2011)...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
Qiang Zhang, Yaqing Zhang, Joshua D Parsels, Ines Lohse, Theodore S Lawrence, Marina Pasca di Magliano, Yi Sun, Meredith A Morgan
Pancreatic cancers driven by KRAS mutations require additional mutations for tumor progression. The tumor suppressor FBXW7 is altered in pancreatic cancers, but its contribution to pancreatic tumorigenesis is unknown. To determine potential cooperation between Kras mutation and Fbxw7 inactivation in pancreatic tumorigenesis, we generated P48-Cre;LSL-Kras(G12D);Fbxw7(fl/fl) (KFC(fl/fl)) compound mice. We found that KFC(fl/fl) mice displayed accelerated tumorigenesis: all mice succumbed to pancreatic ductal adenocarcinoma (PDA) by 40 days of age, with PDA onset occurring by 2 weeks of age...
October 17, 2016: Neoplasia: An International Journal for Oncology Research
Antonella Caivano, Francesco La Rocca, Vittorio Simeon, Marco Girasole, Simone Dinarelli, Ilaria Laurenzana, Angelo De Stradis, Luciana De Luca, Stefania Trino, Antonio Traficante, Giovanni D'Arena, Giovanna Mansueto, Oreste Villani, Giuseppe Pietrantuono, Luca Laurenti, Luigi Del Vecchio, Pellegrino Musto
PURPOSE: The use of extracellular vesicles (EVs) from body fluids as "liquid biopsies" is emerging as a promising approach for the diagnosis, prognosis and therapeutic monitoring of cancer patients. MicroRNA-155 (miR155), a non-coding transcript of the B-cell integration cluster (BIC) gene, has been reported to play a critical role in the pathogenesis of several types of hematologic malignancies (HMs) in which high miR155 levels have been found. At yet, however, the EV miR155 level and its putative clinical relevance in sera of HM patients have not been reported...
October 19, 2016: Cellular Oncology (Dordrecht)
Laurel L Ballantyne, Yuan Yan Sin, Osama Y Al-Dirbashi, Xinzhi Li, David J Hurlbut, Colin D Funk
Arginase-1 (Arg1) converts arginine to urea and ornithine in the distal step of the urea cycle in liver. We previously generated a tamoxifen-inducible Arg1 deficient mouse model (Arg1-Cre) that disrupts Arg1 expression throughout the whole body and leads to lethality ≈ 2 weeks after gene disruption. Here, we evaluate if liver-selective Arg1 loss is sufficient to recapitulate the phenotype observed in global Arg1 knockout mice, as well as to gauge the effectiveness of gene delivery or hepatocyte transplantation to rescue the phenotype...
December 2016: Molecular Genetics and Metabolism Reports
Jennifer C Potts, Michael L Burton, Amanda R Myers
Ages of schoolmaster (n = 136) from the southeastern Florida coast from 1981-2015 were determined using sectioned sagittal otoliths. Opaque zones were annular, forming March-July (peaking in May-June). Schoolmaster ranged in age from 1-42 years; the largest fish measured 505 mm total length (TL) and was 19 years old. The oldest fish measured 440 mm TL. Estimated body size relationships for schoolmaster were: W = 9.26 × 10(-6)TL(3.11) (n = 256, r(2) = 0.95); W = 2.13 × 10(-5)FL(2.99) (n = 161, r(2) = 0.95); TL = 1...
2016: PeerJ
Wendy Yajun Huang, Stephen Heung-Sang Wong, Gang He, J O Salmon
PURPOSE: This study examined the prospective associations of reallocating time spent in different types of sedentary behavior, physical activity, and sleep with body mass index (BMI) in children using isotemporal substitution analysis. METHODS: Chinese children in grades 1-3 were recruited to a cohort study in 2009 and were followed up over a 2-yr period. Reports were gathered from the parents on children's sedentary behavior, sleep duration, and sociodemographic variables...
November 2016: Medicine and Science in Sports and Exercise
Elizabeth M Todd, Julie Y Zhou, Taylor P Szasz, Lauren E Deady, June A D'Angelo, Matthew D Cheung, Alfred H J Kim, Sharon Celeste Morley
Alveolar macrophages are lung-resident sentinel cells that develop perinatally and protect against pulmonary infection. Molecular mechanisms controlling alveolar macrophage generation have not been fully defined. Here we show that the actin-bundling protein L-plastin (LPL) is required for the perinatal development of alveolar macrophages. Mice expressing a conditional allele of LPL (CD11c.Cre(pos)-LPL(fl/fl)) exhibited significant reductions in alveolar macrophages and failed to effectively clear pulmonary pneumococcal infection, showing that immunodeficiency results from reduced alveolar macrophage numbers...
October 6, 2016: Blood
Bachir Benarba
BACKGROUND/AIM: This study aimed to document and analyzes the local knowledge of medicinal plants' use by traditional healers in South-west Algeria. METHODS: The ethnobotanical survey was conducted in two Saharian regions of South-west of Algeria: Adrar and Bechar. In total, 22 local traditional healers were interviewed using semi-structured questionnaire and open questions. Use value (UV), fidelity level (FL), and informant consensus factor (FIC) were used to analyze the obtained data...
September 2016: Journal of Intercultural Ethnopharmacology
Xuesong Han, Ahmedin Jemal, Erin Hulland, Edgar P Simard, Loretta Nastoupil, Elizabeth M Ward, Christopher R Flowers
BACKGROUND: Highly active antiretroviral therapy (HAART) has extended the life expectancy of HIV/AIDS patients to approach that of the general population. However, it remains unclear whether HIV infection affects the survival of lymphoma patients in the HAART era. METHODS: Patients diagnosed with Hodgkin lymphoma (HL), diffuse large B-cell lymphoma (DLBCL), Burkitt lymphoma (BL), peripheral T-cell lymphoma (PTCL) or follicular lymphoma (FL) during 2004-2011 were identified from the National Cancer Database...
October 18, 2016: Cancer Epidemiology, Biomarkers & Prevention
A Cherkaoui, S M Diene, A Renzoni, S Emonet, G Renzi, P François, J Schrenzel
OBJECTIVES: The aim of the present work was to investigate the potential roles of PBPs, efflux pumps, and slow drug influx for imipenem heteroresistance in nontypeable Haemophilus influenzae (NTHi). METHODS: The 59 NTHi clinical isolates examined in this study were collected at Geneva University Hospitals between 2009 and 2014. Alterations in PBPs were investigated by gene sequencing. To evaluate the affinities of the PBPs to imipenem, steady-state concentration-response experiments were carried out using imipenem in a competition assay with Bocillin-FL...
October 15, 2016: Clinical Microbiology and Infection
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