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https://www.readbyqxmd.com/read/28105536/a-long-noncoding-rna-uca1-promotes-proliferation-and-predicts-poor-prognosis-in-glioma
#1
W Zhao, C Sun, Z Cui
BACKGROUND: Acting as a proto-oncogene, long noncoding RNAs (lncRNAs) urothelial carcinoembryonic antigen 1 (UCA1) plays a key role in the occurrence and development of several human tumors. However, the expression and biological functions of UCA1 in glioma are less known. This study discussed the expression of UCA1 in glioma and its effect on the proliferation and cell cycle of glioma cells. METHOD: LncRNA UCA1 expressions in 64 glioma samples (Grade I-II in 22 cases and Grade III-IV in 42 cases, according to WHO criteria) and 10 normal brain samples were detected using real-time fluorescence quantitative PCR...
January 19, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28103644/flow-cytometric-osmotic-fragility-test-increased-assay-sensitivity-for-clinical-application-in-pediatric-hematology
#2
Olga Ciepiela, Anna Adamowicz-Salach, Agata Zgodzińska, Magdalena Łazowska, Iwona Kotuła
BACKGROUND: Osmotic Fragility Test (OFT) is widely considered as a sensitive indicator of red blood cells' sensitivity to the hypotonic solution. It is often used as a screening test for the diagnosis of hereditary spherocytosis (HS). Nowadays, the osmotic fragility test based on flow cytometric analysis (FCM OF) is widely used in laboratory practice. The purpose of this study was to optimize the assay sensitivity and to validate its clinical application in the diagnostic screening of childhood anemias...
January 19, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28101592/long-term-safety-and-outcome-of-fludarabine-cyclophosphamide-and-mitoxantrone-fcm-regimen-in-previously-untreated-patients-with-advanced-follicular-lymphoma-12%C3%A2-years-follow-up-of-a-phase-2-trial
#3
Laura Magnano, Silvia Montoto, Eva González-Barca, Javier Briones, Juan Manuel Sancho, Ana Muntañola, Antonio Salar, Joan Besalduch, Lourdes Escoda, Carol Moreno, Eva Domingo-Domenech, Cristina Estany, Albert Oriol, Albert Altés, Carmen Pedro, Santiago Gardella, Antoni Asensio, Pilar Vivancos, Alberto Fernández de Sevilla, Josep María Ribera, Dolors Colomer, Elias Campo, Armando López-Guillermo
Fludarabine combinations are very affective in follicular lymphoma (FL) with high rates of complete response and prolonged survival. However, late toxicities could be a concern. The aim of the present study was to analyze the long-term impact on survival, relapse and late toxicities of a trial of treatment with fludarabine, mitoxantrone and cyclophosphamide (FCM regimen) for untreated patients with advanced stage FL. One hundred and twenty patients enrolled in a phase 2 trial of treatment with FCM regimen between 2000 and 2003 were evaluated...
January 18, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28095881/renal-function-in-patients-with-non-dialysis-chronic-kidney-disease-receiving-intravenous-ferric-carboxymaltose-an-analysis-of-the-randomized-find-ckd-trial
#4
Iain C Macdougall, Andreas H Bock, Fernando Carrera, Kai-Uwe Eckardt, Carlo Gaillard, David Van Wyck, Yvonne Meier, Sylvain Larroque, Simon D Roger
BACKGROUND: Preclinical studies demonstrate renal proximal tubular injury after administration of some intravenous iron preparations but clinical data on renal effects of intravenous iron are sparse. METHODS: FIND-CKD was a 56-week, randomized, open-label, multicenter study in which patients with non-dialysis dependent chronic kidney disease (ND-CKD), anemia and iron deficiency without erythropoiesis-stimulating agent therapy received intravenous ferric carboxymaltose (FCM), targeting either higher (400-600 μg/L) or lower (100-200 μg/L) ferritin values, or oral iron...
January 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28063272/a-shell-crosslinked-polymeric-micelle-system-for-ph-redox-dual-stimuli-triggered-dox-on-demand-release-and-enhanced-antitumor-activity
#5
Lele Wang, Jing Zhang, Meijia Song, Baocheng Tian, Keke Li, Yan Liang, Jingtian Han, Zimei Wu
Based on targeted amphiphilic block copolymer N-acetyl glucosamine-poly (styrene-alt-maleic anhydride)58-b-polystyrene130 (NAG-P(St-alt-MA)58-b-PSt130), a pH/redox dual-triggered shell-crosslinked polymeric micelle system was constructed. The shell-crosslinked micelles (CLM) were prepared by post-crosslinking method to regulate drug release kinetics using cystamine as linkers between carboxy groups of the shell. Compared with non-crosslinked micelles (NCLM), CLM showed spherical shapes with little increased mean diameter of 102...
December 21, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28058860/liposome-mediated-rna-interference-delivery-against-erk1-and-erk2-does-not-equally-promote-chemosensitivity-in-human-hepatocellular-carcinoma-cell-line-hepg2
#6
Amir Mehdizadeh, Mohammad Hossein Somi, Masoud Darabi, Safar Farajnia, Abolfazl Akbarzadeh, Soheila Montazersaheb, Mehdi Yousefi, Mortaza Bonyadi
BACKGROUND: Extracellular signal-regulated kinase (Erk)1 and Erk2 are central mediators of mitogen-activated protein kinase signaling pathway, which plays a key role in proliferation and chemoresistance of cancer cells. However, the effect of Erk1 and Erk2 in these processes may not be the same. The aim of this study was to investigate differential effect of Erk1 and Erk2 down-regulation on chemoresistance in human hepatocellular carcinoma (HCC) cells. Expression level and relative expression analysis in HepG2 cells were performed using RT-PCR and qRT-PCR, respectively...
January 6, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28056236/-cd137-cd137l-signaling-promotes-angiogenesis-in-atherosclerosis-plaque-of-mice-through-activating-nuclear-factor-of-activated-t-cells-c1
#7
J Y Weng, J C Yan, Y Chen, Z Q Wang, C P Wang, C Shao
Objective: To explore whether CD137-CD137L signaling can promote angiogenesis in atherosclerosis plaque via activating nuclear factor of activated T cells c1 (NFATc1). Methods: Apolipoprotein E knock out mice were divided into the following groups: control group (n=5), CD137 activated group(n=5)and CD137 inhibited group (n=5). Immunohistochemistry was performed to detect the expression of CD31 in aortic plaque. Endothelial cells (bEnd.3) were purchased from ATCC and divided into the following groups: control group, IgG isotype control group, CD137 activated group and CD137 inhibited group...
December 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28050450/iv-ferric-carboxymaltose-vs-oral-iron-in-the-treatment-of-post-partum-iron-deficiency-anaemia
#8
Sree Chandana Damineni, Suchitra Thunga
INTRODUCTION: Iron deficiency is the most common cause of Post-partum anaemia, reported as 50-60% in India. It is primarily due to inadequate iron intake and due to peripartum blood loss. It has been associated with significant post-partum complications. Therefore, Post-partum iron deficiency warrants greater attention and higher quality care. Oral iron treatment has been considered the standard of care. However, parenteral iron treatment is expected to be advantageous in cases where oral iron therapy is not possible...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28047295/tu-h-206-04-an-effective-homomorphic-unsharp-mask-filtering-method-to-correct-intensity-inhomogeneity-in-daily-treatment-mr-images
#9
D Yang, H Gach, H Li, S Mutic
PURPOSE: The daily treatment MRIs acquired on MR-IGRT systems, like diagnostic MRIs, suffer from intensity inhomogeneity issue, associated with B1 and B0 inhomogeneities. An improved homomorphic unsharp mask (HUM) filtering method, automatic and robust body segmentation, and imaging field-of-view (FOV) detection methods were developed to compute the multiplicative slow-varying correction field and correct the intensity inhomogeneity. The goal is to improve and normalize the voxel intensity so that the images could be processed more accurately by quantitative methods (e...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046606/tu-ab-bra-01-abdominal-synthetic-ct-generation-in-support-of-liver-sbrt-dose-calculation
#10
J S Bredfeldt, L Liu, M Feng, Y Cao, J Balter
PURPOSE: To demonstrate and validate a technique for generating MRI-derived synthetic CT volumes (MRCTs) in support of adaptive liver SBRT. METHODS: Under IRB approval, ten hepatocellular carcinoma patients were scanned using a single MR sequence (T1 Dixon-VIBE), yielding inherently-registered water, fat, and T1-weighted images. Air-containing voxels were identified by intensity thresholding. The envelope of the anterior vertebral bodies was segmented from the fat image by fitting a shape model to vertebral body candidate voxels, then using level sets to expand the contour outward...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045930/the-ccl2-ccr2-axis-affects-transmigration-and-proliferation-but-not-resistance-to-chemotherapy-of-acute-myeloid-leukemia-cells
#11
Patricia Macanas-Pirard, Thomas Quezada, Leonardo Navarrete, Richard Broekhuizen, Andrea Leisewitz, Bruno Nervi, Pablo A Ramírez
Acute myeloid leukemia (AML) has a high mortality rate despite chemotherapy and transplantation. Both CXCR4/SDF-1 and VLA-4/VCAM1 axes are involved in leukemia protection but little is known about the role of CCL2/CCR2 in AML biology and protection against chemotherapy. We measured CCR2 expression in AML cell lines and primary AML cells by flow cytometry (FCM), real time PCR (RT-PCR) and western blot (WB). CCL2 production was quantified by solid phase ELISA in peripheral blood (PB) and bone marrow (BM) serum...
2017: PloS One
https://www.readbyqxmd.com/read/28044473/synthesis-characterization-and-in-vitro-evaluation-of-targeted-gold-nanoshelled-poly-d-l-lactide-co-glycolide-nanoparticles-carrying-anti-p53-antibody-as-a-theranostic-agent-for-ultrasound-contrast-imaging-and-photothermal-therapy
#12
Li Xu, Caifeng Wan, Jing Du, Hongli Li, Xuesong Liu, Hong Yang, Fenghua Li
Breast cancer is the leading cause of cancer-related deaths in women and earlier detection can substantially reduce deaths from breast cancer. Polymers with targeted ligands are widely used in the field of molecular ultrasound imaging and targeted tumor therapy. In our study, the nanotheranostic agent was fabricated through filling perfluoropropane (C3F8) into poly(d,l-lactic-co-glycolic acid) nanoparticles (PLGA NPs), followed by the formation of gold nanoshell on the surface, then conjugated with anti p53 antibody which has high specificity with the p53 protein overexpressing in breast cancer...
January 16, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28043001/flow-cytometry-for-immediate-follow-up-of-drinking-water-networks-after-maintenance
#13
Sam Van Nevel, Benjamin Buysschaert, Karen De Roy, Bart De Gusseme, Lieven Clement, Nico Boon
Drinking water networks need maintenance every once in a while, either planned interventions or emergency repairs. When this involves opening of the water pipes, precautionary measures need to be taken to avoid contamination of the drinking water at all time. Drinking water suppliers routinely apply plating for faecal indicator organisms as quality control in such a situation. However, this takes at least 21 h of waiting time, which can be crucial when dealing with major supply pipes. A combination of flow cytometric (FCM) bacterial cell counts with FCM fingerprinting techniques is proposed in this study as a fast and sensitive additional technique...
December 25, 2016: Water Research
https://www.readbyqxmd.com/read/28041941/a-simple-flow-cytometry-method-to-evaluate-peripheral-blood-contamination-of-bone-marrow-aspirates
#14
José Antonio Delgado, Francisco Guillén-Grima, Cristina Moreno, Carlos Panizo, Carmen Pérez-Robles, Juan José Mata, Laura Moreno, Paula Arana, Silvia Chocarro, Juana Merino
Bone marrow (BM) aspirates used for flow-cytometry (FCM) studies are usually obtained from a second aspiration, as the primary aspirate is used for morphological assessment. For this reason, the FCM samples unavoidably contain some blood; although, good-quality samples contain only a small amount. It is of utmost importance to assess the quality of samples prior to FCM analysis; yet, contamination with peripheral blood (PB) is not evaluated in most laboratories, possibly because the methods available are either qualitative or too complex for daily practice...
December 29, 2016: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28039133/dynamics-of-salmonella-shedding-and-welfare-of-hens-in-free-range-egg-production-systems
#15
V C Gole, R Woodhouse, C Caraguel, T Moyle, J-L Rault, M Sexton, K Chousalkar
: The current study investigated the effect of environmental stressors (weather changes) on Salmonella shedding in free range production systems, and correlations with behavioural and physiological measures (faecal glucocorticoid metabolites). This involved longitudinal and point in time surveys of Salmonella shedding and environmental contamination on four commercial free range layer farms. The shedding of Salmonella was variable across free range farms and in different seasons. There were no significant effects of season on the Salmonella prevalence during this investigation...
December 30, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28035368/5-aminolevulinic-acid-enhances-mitochondrial-stress-upon-ionizing-irradiation-exposure-and-increases-delayed-production-of-reactive-oxygen-species-and-cell-death-in-glioma-cells
#16
Kunihiro Ueta, Junkoh Yamamoto, Tohru Tanaka, Yoshiteru Nakano, Takehiro Kitagawa, Shigeru Nishizawa
5-Aminolevulinic acid (5-ALA) can accumulate protoporphyrin IX (PpIX) in tumour cell mitochondria and is well known for its utility in fluorescence-guided resection of malignant gliomas as a live molecular marker. Previously, we and other authors demonstrated that 5-ALA has a radiosensitizing effect for tumours. In the present study, we aimed to investigate the mechanism underlying the radiosensitizing effect of 5-ALA by focusing on glioma cell mitochondria. Using an enhancer (ciprofloxacin) of 5-ALA-induced PpIX accumulation, we evaluated the influence of ionizing irradiation (IR) and delayed reactive oxygen species (ROS) production 12 h after IR by colony-forming assay and flow cytometry (FCM) with different amounts of PpIX accumulation...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28035134/upregulation-of-cc-chemokine-receptor-7-ccr7-enables-migration-of-xenogeneic-human-adipose-derived-mesenchymal-stem-cells-to-rat-secondary-lymphoid-organs
#17
Tian Ma, Shao-Liang Luan, Hong Huang, Xing-Kun Sun, Yan-Mei Yang, Hui Zhang, Wei-Dong Han, Hong Li, Yan Han
BACKGROUND CC chemokine receptor 7 (CCR7) expression is vital for cell migration to secondary lymphoid organs (SLOs). Our previous work showed that inducing CCR7 expression enabled syngeneic mesenchymal stem cells (MSCs) to migrate into SLOs, resulting in enhanced immunosuppressive performance in mice. Given that human adipose-derived stem cells (hASCs) are widely used in clinical therapy, we further investigated whether upregulation of CCR7 enables xenogeneic hASCs to migrate to rat SLOs. MATERIAL AND METHODS hASCs rarely express CCR7; therefore, hASCs were transfected with lentivirus encoding rat CCR7 (rCCR7) plus green fluorescence protein (GFP) or GFP alone...
December 30, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28027876/ercc2-xpd-lys751gln-alter-dna-repair-efficiency-of-platinum-induced-dna-damage-through-p53-pathway
#18
Guopei Zhang, Yangyang Guan, Yuejiao Zhao, Tahar van der Straaten, Sha Xiao, Ping Xue, Guolian Zhu, Qiufang Liu, Yuan Cai, Cuihong Jin, Jinghua Yang, Shengwen Wu, Xiaobo Lu
Platinum-based treatment causes Pt-DNA adducts which lead to cell death. The platinum-induced DNA damage is recognized and repaired by the nucleotide excision repair (NER) system of which ERCC2/XPD is a critical enzyme. Single nucleotide polymorphisms in ERCC2/XPD have been found to be associated with platinum resistance. The aim of the present study was to investigate whether ERCC2/XPD Lys751Gln (rs13181) polymorphism is causally related to DNA repair capacity of platinum-induced DNA damage. First, cDNA clones expressing different genotypes of the polymorphism was transfected to an ERCC2/XPD defective CHO cell line (UV5)...
December 24, 2016: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28024503/-role-and-significance-of-t-help-cells-17-in-pathogenesis-of-idiopathic-thrombocytopenic-purpura
#19
Xiao Wang, Yu-Hong Zhou, Xiao-Hong Chen, Li-Ming Yin, Yan-Na Zhao, Li-Ke Wo
OBJECTIVE: To investigate the role and significance of T help cells 17(Th17) in pathogenesis of idiopathic thrombocytopenic purpura (ITP). METHODS: Peripheral blood samples from ITP patients and normal controls were examined for Th17 cell proportion by flow cytometry (FCM). Expression of IL-17, IL-23, IL-6 and TGF-β1 in hematoplasma was detected by ELISA. The mRNA expression level of IL-17 and RORγt in peripheral blood mononuclear cells (PBMNC) from patients with ITP and normal controls were measured by RT-PCR technique, and expression levels of pSTAT3 and RORγt proteins were analyzed by Western-blot...
December 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28024479/-construction-of-eukaryotic-expression-vector-of-sirna-specific-for-bcr-abl-fusion-gene-and-its-effects-on-k562-cells
#20
Ming Li, Bao-Lin Wang, Li-Na Wang, Ya-Ming Xi
OBJECTIVE: To construct eukaryotic expression vector of siRNA specific for BCR/ABL and to investigate the effect of recombinant plasmid on BCR/ABL and P210 protein expression in K562 cells. METHODS: siRNA(small interfering RNA)was designed according to the Tuschl's principle of Ai-based medicine, and was converted into cDNA coding expression of shRNA(small hairpin RNAs)of siRNA for BCR/ABL fusion gene. The cDNA was synthesized and inserted into plasmid pTER. The pTER117 and pTER363 of recombinant plasmid being eukaryotic expression vector was controlled by the H1 promoter of RNA polymerase III, and identified by the restriction map and the sequence analysis...
December 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
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