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https://www.readbyqxmd.com/read/28441856/-clinical-value-of-the-early-use-of-ulinastatin-in-patients-with-moderately-severe-or-severe-acute-pancreatitis
#1
J Wang, J Jin, J Huang, D R Li, Y Hao, J D Kong, Z Y Chu, J H Fu, F Huang
Objective: To observe the clinical efficacy and the effects on serum inflammatory factors of early use of ulinastatin in patients with moderately severe or severe acute pancreatitis (MSAP/SAP). Methods: This prospective, randomized, controlled trial was conducted in the First Affiliated Hospital of Soochow University from September 2013 to May 2016. A total of 42 cases were enrolled and assigned into either observation group or conventional treatment group (n=21 each). The conventional treatment group received somatostatin, while the observation group received somatostatin combined with ulinastatin...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28441851/-quantities-and-function-of-nk-cells-in-patients-with-immune-thrombocytopenia
#2
Y J Zhang, W Qu, H Liu, Y H Wang, C Y Liu, L J Li, H Q Wang, R Fu, L M Xing, Z H Shao
Objective: To investigate natural killer (NK) cell quantities and function in patients with immune thrombocytopenia (ITP) . Methods: A total of 66 ITP patients (34 newly diagnosed and 32 in complete remission) were collected from September 2015 to May 2016 in Tianjin Medical University General Hospital, and 30 healthy volunteers were recruited as controls. The percentages of NK cells and their subsets in peripheral blood, the expression of activating receptor (NKp44), inhibitory receptor (NKG2A) and CD16, perforin and granzyme β were detected by flow cytometry...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28441744/production-of-laccase-by-a-new-myrothecium-verrucaria-md-r-16-isolated-from-pigeon-pea-cajanus-cajan-l-millsp-and-its-application-on-dye-decolorization
#3
Jiao Sun, Na Guo, Li-Li Niu, Qing-Fang Wang, Yu-Ping Zang, Yuan-Gang Zu, Yu-Jie Fu
The present study was conducted to screen a laccase-producing fungal endophyte, optimize fermentation conditions, and evaluate the decolorization ability of the laccase. A new fungal endophyte capable of laccase-producing was firstly isolated from pigeon pea and identified as Myrothecium verrucaria based on a ITS-rRNA sequences analysis. Meanwhile, various fermentation parameters on the laccase production were optimized via response surface methodology (RSM). The optimal fermentation conditions were a fermentation time of five days, temperature 30 °C and pH 6...
April 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28441457/autophagy-contributes-to-falcarindiol-induced-cell-death-in-breast-cancer-cells-with-enhanced-endoplasmic-reticulum-stress
#4
Tingting Lu, Ming Gu, Yan Zhao, Xinyu Zheng, Chengzhong Xing
Falcarindiol (FAD) is a natural polyyne have been found in many food and dietary plants. It has been found to have various beneficial biological activities. In this study, we demonstrated its anticancer function and mechanism in breast cancer cells. We found that FAD preferentially induces cell death in breast cancer cells. FAD-induced cell death is caspase-dependent. However, FAD induces autophagy to contribute to the cell death. Blocking autophagy by either chemical inhibitors or genetic knockout of autophagy signaling component inhibits FAD-induced cell death...
2017: PloS One
https://www.readbyqxmd.com/read/28440786/magnetic-and-transport-properties-of-layered-compound-ce-sub-2-sub-te-sub-5-sub
#5
Dong Chen, Shuai Zhang, Yang Huaixin, Jianqi Li, Gen-Fu Chen
Ce<sub>2</sub>Te<sub>5</sub> single crystals were successfully grown using RbCl/LiCl flux method. The structure of Ce<sub>2</sub>Te<sub>5</sub> can be viewed as a combination of CeTe<sub>2</sub> and CeTe<sub>3</sub>. The experimental results of magnetic susceptibility <i>χ</i>(<i>T</i>), isothermal magnetization <i>M</i>(<i>H</i>), electrical resistivity <i>ρ</i>(<i>T</i>), and heat capacity <i>C</i>(<i>T</i>) show two clear anomalies at 5...
April 25, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28440463/livin-enhances-chemoresistance-in-head-and-neck-squamous-cell-carcinoma
#6
Tae Mi Yoon, Sun-Ae Kim, Dong Hoon Lee, Joon Kyoo Lee, Young-Lan Park, Kyung-Hwa Lee, Ik-Joo Chung, Young-Eun Joo, Sang Chul Lim
The responsiveness of head and neck squamous cell carcinoma (HNSCC) to chemotherapy widely affects prognosis. Overcoming chemoresistance is necessary to improve prognoses in patients with advanced HNSCC. Evasion of apoptosis by cancer cells is a major cause of chemoresistance. Livin, a member of the human inhibitors of apoptosis protein family, is highly expressed in various human cancer tissues and is associated with tumor progression and poor prognosis in human cancers. The aim of the present study was to evaluate the role of Livin in the susceptibility to popularly used chemotherapeutic drugs such as cisplatin, 5-fluorouracil (FU) and docetaxel in human HNSCC cell lines (SNU1041, PCI1 and PCI50 cells)...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28439965/identifying-signatures-of-positive-selection-in-pigmentation-genes-in-two-south-asian-populations
#7
Manjari Jonnalagadda, Neeraj Bharti, Yatish Patil, Shantanu Ozarkar, Sunitha Manjari K, Rajendra Joshi, Heather Norton
OBJECTIVES: Skin pigmentation is a polygenic trait showing wide phenotypic variations among global populations. While numerous pigmentation genes have been identified to be under positive selection among European and East populations, genes contributing to phenotypic variation in skin pigmentation within and among South Asian populations are still poorly understood. The present study uses data from the Phase 3 of the 1000 genomes project focusing on two South Asian populations-GIH (Gujarati Indian from Houston, Texas) and ITU (Indian Telugu from UK), so as to decode the genetic architecture involved in adaptation to ultraviolet radiation in South Asian populations...
April 24, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28439842/controversies-in-the-multimodality-management-of-locally-advanced-rectal-cancer
#8
REVIEW
Robert Díaz Beveridge, Dilara Akhoundova, Gema Bruixola, Jorge Aparicio
Neoadjuvant radiotherapy previous to radical surgery, both as short-course radiotherapy and as long-course radiotherapy combined with 5-FU-based chemotherapy (LCRCT), is routinely used in the management of locally advanced rectal cancer, with consistent benefits in the reduction in the local relapse risk. Unfortunately, survival benefits have been elusive to demonstrate with this approach, especially in the setting of radical surgery in the form of total mesorectal excision (TME). Concerns about over-treating early-stage patients and about the possible long-term side effects have also cast more doubts in a blanket approach of treating all patients with neoadjuvant radiotherapy, especially with LCRCT...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28439070/clinical-and-microbiological-characteristics-and-impact-of-therapeutic-strategies-on-the-outcomes-of-children-with-candidemia
#9
Ming-Horng Tsai, Jen-Fu Hsu, Shih-Ming Chu, Pey-Jium Chang, Mei-Yin Lai, I-Hsyuan Wu, Hsuan-Rong Huang, Ming-Chou Chiang, Ren-Huei Fu, Jang-Jih Lu
We aimed to determine the clinical and microbiological characteristics of Candida bloodstream infections in children and the impact of therapeutic strategies on outcomes. All pediatric patients with candidemia from a medical center in Taiwan over a 13-year period (2003-2015) were included and a total of 262 patients with 319 episodes of candidemia were analyzed. Overall susceptibility to fluconazole was 86.1%. Cumulative mortality at 7 and 30 days after the first episode of candidemia was 13.4% and 25.2%, respectively...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28439030/epithelial-ezh2-serves-as-an-epigenetic-determinant-in-experimental-colitis-by-inhibiting-tnf%C3%AE-mediated-inflammation-and-apoptosis
#10
Yongfeng Liu, Junjie Peng, Tongyu Sun, Ni Li, Le Zhang, Jiale Ren, Huairui Yuan, Shan Kan, Qiang Pan, Xiang Li, Yufeng Ding, Min Jiang, Xiaoji Cong, Minjia Tan, Yushui Ma, Da Fu, Sanjun Cai, Yichuan Xiao, Xiaoming Wang, Jun Qin
Epithelial barrier disruption is a major cause of inflammatory bowel disease (IBD); however, the mechanism through which epigenetic regulation modulates intestinal epithelial integrity remains largely undefined. Here we show that EZH2, the catalytic subunit of polycomb repressive complex (PRC2), is indispensable for maintaining epithelial cell barrier integrity and homeostasis under inflammatory conditions. In accordance with reduced EZH2 expression in patients, the inactivation of EZH2 in IECs sensitizes mice to DSS- and TNBS-induced experimental colitis...
April 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28439009/estrogen-receptor-%C3%AE-a-regulator-of-androgen-receptor-signaling-in-the-mouse-ventral-prostate
#11
Wan-Fu Wu, Laure Maneix, Jose Insunza, Ivan Nalvarte, Per Antonson, Juha Kere, Nancy Yiu-Lin Yu, Virpi Tohonen, Shintaro Katayama, Elisabet Einarsdottir, Kaarel Krjutskov, Yu-Bing Dai, Bo Huang, Wen Su, Margaret Warner, Jan-Åke Gustafsson
As estrogen receptor β(-/-) (ERβ(-/-)) mice age, the ventral prostate (VP) develops increased numbers of hyperplastic, fibroplastic lesions and inflammatory cells. To identify genes involved in these changes, we used RNA sequencing and immunohistochemistry to compare gene expression profiles in the VP of young (2-mo-old) and aging (18-mo-old) ERβ(-/-) mice and their WT littermates. We also treated young and old WT mice with an ERβ-selective agonist and evaluated protein expression. The most significant findings were that ERβ down-regulates androgen receptor (AR) signaling and up-regulates the tumor suppressor phosphatase and tensin homolog (PTEN)...
April 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28438039/anti-complementary-constituents-of-anchusa-italica
#12
Yu-Zhen Hou, Kui-Kui Chen, Xi-Ling Deng, Ze-Long Fu, Dao-Feng Chen, Qi Wang
Activity-guided fractionation for complement inhibitors led to the isolation of 24 known compounds from Anchusa italica. Chemical types include eight megastigmane compounds, five triterpenoid compounds, five lignan compounds, three flavonoid compounds, two alkaloid compounds and one phenthyl alcohol compound. Among which, a lignan (medioresinol), an alkaloid (5-hydroxypyrrolidin-2-one) and a flavonoid (5-hydroxyl-3', 4', 6, 7-tetramethoxy flavone) exhibited better anticomplementary effects with CH50 values ranging from 0...
April 24, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28438003/wavelength-multicasting-through-four-wave-mixing-with-an-optical-comb-source
#13
Hong-Fu Ting, Ke-Yao Wang, Jasper R Stroud, Keith G Petrillo, Hongcheng Sun, Amy C Foster, Mark A Foster
Based on four-wave mixing (FWM) with an optical comb source (OCS), we experimentally demonstrate 26-way or 15-way wavelength multicasting of 10-Gb/s differential phase-shift keying (DPSK) data in a highly-nonlinear fiber (HNLF) or a silicon waveguide, respectively. The OCS provides multiple spectrally equidistant pump waves leading to a multitude of FWM products after mixing with the signal. We achieve error-free operation with power penalties less than 5.7 dB for the HNLF and 4.2 dB for the silicon waveguide, respectively...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437958/feed-forward-frequency-offset-estimation-for-32-qam-optical-coherent-detection
#14
Fei Xiao, Jianing Lu, Songnian Fu, Chenhui Xie, Ming Tang, Jinwen Tian, Deming Liu
Due to the non-rectangular distribution of the constellation points, traditional fast Fourier transform based frequency offset estimation (FFT-FOE) is no longer suitable for 32-QAM signal. Here, we report a modified FFT-FOE technique by selecting and digitally amplifying the inner QPSK ring of 32-QAM after the adaptive equalization, which is defined as QPSK-selection assisted FFT-FOE. Simulation results show that no FOE error occurs with a FFT size of only 512 symbols, when the signal-to-noise ratio (SNR) is above 17...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437534/association-of-mortality-with-the-death-of-a-sibling-in-childhood
#15
Yongfu Yu, Zeyan Liew, Sven Cnattingius, Jørn Olsen, Mogens Vestergaard, Bo Fu, Erik Thorlund Parner, Guoyou Qin, Naiqing Zhao, Jiong Li
Importance: The death of a close relative is associated with an increased mortality risk among the bereaved, but much less is known about the potential association of the death of a sibling in childhood with mortality in this population. Objective: To examine the association between sibling death in childhood and subsequent mortality risk. Design, Setting, and Participants: This population-based cohort study of 5 005 029 participants evaluated linked national registers in Denmark (January 1, 1973, through December 31, 2009) and Sweden (January 1, 1973, through December 31, 2008)...
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28436588/reduced-erg-dosage-impairs-survival-of-hematopoietic-stem-and-progenitor-cells
#16
Ying Xie, Mia Lee Koch, Xin Zhang, Melanie J Hamblen, Frank J Godinho, Yuko Fujiwara, Huafeng Xie, Jan-Henning Klusmann, Stuart H Orkin, Zhe Li
ERG, an ETS family transcription factor frequently overexpressed in human leukemia, has been implicated as a key regulator of hematopoietic stem cells. However, how ERG controls normal hematopoiesis, particularly at the stem and progenitor cell level, and how it contributes to leukemogenesis remain incompletely understood. Using homologous recombination, we generated an Erg knockdown allele (Erg(kd) ) in which Erg expression can be conditionally restored by Cre recombinase. Erg(kd/kd) animals die at E10.5-E11...
April 24, 2017: Stem Cells
https://www.readbyqxmd.com/read/28436494/platinum-nickel-alloy-excavated-nano-multipods-with-hexagonal-close-packed-structure-and-superior-activity-towards-hydrogen-evolution-reaction
#17
Zhenming Cao, Qiaoli Chen, Jiawei Zhang, Huiqi Li, Yaqi Jiang, Shouyu Shen, Gang Fu, Bang-An Lu, Zhaoxiong Xie, Lansun Zheng
Crystal phase regulations may endow materials with enhanced or new functionalities. However, syntheses of noble metal-based allomorphic nanomaterials are extremely difficult, and only a few successful examples have been found. Herein, we report the discovery of hexagonal close-packed Pt-Ni alloy, despite the fact that Pt-Ni alloys are typically crystallized in face-centred cubic structures. The hexagonal close-packed Pt-Ni alloy nano-multipods are synthesized via a facile one-pot solvothermal route, where the branches of nano-multipods take the shape of excavated hexagonal prisms assembled by six nanosheets of 2...
April 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28436147/rapid-detection-of-six-phosphodiesterase-type-5-enzyme-inhibitors-in-health-care-products-using-thin-layer-chromatography-and-surface-enhanced-raman-spectroscopy-combined-with-bp-neural-network
#18
Xiaopeng Hu, Guozhen Fang, Ailing Han, Yunpeng Fu, Rui Tong, Shuo Wang
A novel facile method for the detection of the phosphodiesterase type 5 enzyme inhibitors added illegally into health products was established using thin-layer chromatography and surface enhanced Raman spectroscopy combined with BP neural network. When the detecting conditions were optimized in detail, a repetitive adding procedure of silver colloids with the total amount keeping constant was used to improve the enhancement effect of surface enhanced Raman spectroscopy. According to the main Raman peaks and the retention factor of analyte, the data predictive model was established...
April 24, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28435770/thermally-activated-delayed-fluorescence-organic-dots-tadf-odots-for-time-resolved-and-confocal-fluorescence-imaging-in-living-cells-and-in-vivo
#19
Tingting Li, Dongliang Yang, Liuqing Zhai, Suiliang Wang, Baomin Zhao, Nina Fu, Lianhui Wang, Youtian Tao, Wei Huang
The fluorophores with long-lived fluorescent emission are highly desirable for time-resolved fluorescence imaging (TRFI) in monitoring target fluorescence. By embedding the aggregates of a thermally activated delayed fluorescence (TADF) dye, 2,3,5,6-tetracarbazole-4-cyano-pyridine (CPy), in distearoyl-sn-glycero-3-phosphoethanolamine-poly(ethylene glycol) (DSPE-PEG2000) matrix, CPy-based organic dots (CPy-Odots) with a long fluorescence lifetime of 9.3 μs (in water at ambient condition) and high brightness (with an absolute fluorescence quantum efficiency of 38...
April 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28435473/downregulation-of-mitochondrial-cyclooxygenase-2-inhibits-the-stemness-of-nasopharyngeal-carcinoma-by-decreasing-the-activity-of-dynamin-related-protein-1
#20
Teng-Jian Zhou, Shi-Li Zhang, Cheng-Yong He, Qun-Ying Zhuang, Pei-Yu Han, Sheng-Wei Jiang, Huan Yao, Yi-Jun Huang, Wen-Hua Ling, Yu-Chun Lin, Zhong-Ning Lin
Cancer stem cells (CSCs) are a small subset of malignant cells, possessing stemness, with strong tumorigenic capability, conferring resistance to therapy and leading to the relapse of nasopharyngeal carcinoma (NPC). Our previous study suggested that cyclooxygenase-2 (COX-2) would be a novel target for the CSCs-like side population (SP) cells in NPC. In the present study, we further found that COX-2 maintained the stemness of NPC by enhancing the activity of mitochondrial dynamin-related protein 1 (Drp1), a mitochondrial fission mediator, by studying both sorted SP cells from NPC cell lines and gene expression analyses in NPC tissues...
2017: Theranostics
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