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https://www.readbyqxmd.com/read/28655219/ultra-narrow-band-perfect-absorber-and-its-application-as-plasmonic-sensor-in-the-visible-region
#1
Dong Wu, Ruifang Li, Yumin Liu, Zhongyuan Yu, Li Yu, Lei Chen, Chang Liu, Rui Ma, Han Ye
We propose and numerically investigate a perfect ultra-narrowband absorber with an absorption bandwidth of only 1.82 nm and an absorption efficiency exceeding 95% in the visible region. We demonstrate that the perfect ultra-narrowband absorption is ascribed to the coupling effect induced by localized surface plasmon resonance. The influence of structural dimensions on the optical performance is also investigated, and the optimal structure is obtained with the extremely low reflectivity (0.001) of the resonance dip...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28655216/phenotypic-and-genomic-survey-on-organic-acid-utilization-profile-of-pseudomonas-mendocina-strain-s5-2-a-vineyard-soil-isolate
#2
Teik Min Chong, Jian-Woon Chen, Wah-Seng See-Too, Choo-Yee Yu, Geik-Yong Ang, Yan Lue Lim, Wai-Fong Yin, Catherine Grandclément, Denis Faure, Yves Dessaux, Kok-Gan Chan
Root exudates are chemical compounds that are released from living plant roots and provide significant energy, carbon, nitrogen and phosphorus sources for microbes inhabiting the rhizosphere. The exudates shape the microflora associated with the plant, as well as influences the plant health and productivity. Therefore, a better understanding of the trophic link that is established between the plant and the associated bacteria is necessary. In this study, a comprehensive survey on the utilization of grapevine and rootstock related organic acids were conducted on a vineyard soil isolate which is Pseudomonas mendocina strain S5...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28655178/fournier-s-gangrene
#3
Yu-Kuen Wang, Yu-Huei Li, Sheng-Tang Wu, Meng En
No abstract text is available yet for this article.
June 26, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28655163/microrna-21a-5p-pdcd4-axis-regulates-mesenchymal-stem-cell-induced-neuroprotection-in-acute-glaucoma
#4
Wenru Su, Zuohong Li, Yu Jia, Yingting Zhu, Wenjia Cai, Peixing Wan, Yingying Zhang, Song Guo Zheng, Yehong Zhuo
Mesenchymal stem cells (MSCs) have been demonstrated to have promising therapeutic benefits for a variety of neurological diseases; however, the underlying mechanisms are poorly understood. Here, we showed that intravitreal infusion of MSCs promoted retinal ganglion cell (RGC) survival in a mouse model of acute glaucoma, with significant inhibition of microglial activation, production of TNF-α, IL-1β, and reactive oxygen species, as well as caspase-8 and caspase-3 activation. In vitro, MSCs inhibited both caspase-8-mediated RGC apoptosis and microglial activation, partly via the action of stanniocalcin 1 (STC1)...
June 26, 2017: Journal of Molecular Cell Biology
https://www.readbyqxmd.com/read/28655159/two-distinct-metacommunities-characterize-the-gut-microbiota-in-crohn-s-disease-patients
#5
Qing He, Yuan Gao, Zhuye Jie, Xinlei Yu, Janne Marie Laursen, Liang Xiao, Ying Li, Lingling Li, Faming Zhang, Qiang Feng, Xiaoping Li, Jinghong Yu, Chuan Liu, Ping Lan, Ting Yan, Xin Liu, Xun Xu, Huanming Yang, Jian Wang, Lise Madsen, Susanne Brix, Jianping Wang, Karsten Kristiansen, Huijue Jia
Background: The inflammatory intestinal disorder Crohn's disease (CD) has become a health challenge worldwide. The gut microbiota closely interacts with the host immune system, but its functional impact in CD is unclear. Except for studies on a small number of CD patients, analyses of the gut microbiota in CD have used 16S rDNA amplicon sequencing. Here we employed metagenomic shotgun sequencing to provide a detailed characterization of the compositional and functional features of the CD microbiota, comprising also unannotated bacteria, and investigated its modulation by exclusive enteral nutrition (EEN)...
June 26, 2017: GigaScience
https://www.readbyqxmd.com/read/28655154/risk-model-for-deaths-and-renal-replacement-therapy-dependence-in-patients-with-acute-kidney-injury-after-cardiac-surgery
#6
Shiren Sun, Feng Ma, Qiaoneng Li, Ming Bai, Yangping Li, Yan Yu, Chen Huang, Hanmin Wang, Xiaoxuan Ning
OBJECTIVES: Acute kidney injury (AKI) is a serious complication after cardiac surgery and is associated with increased in-hospital deaths. Renal replacement therapy (RRT) is becoming a routine strategy for severe AKI. Our goal was to evaluate the risk factors for death and RRT dependence in patients with AKI after cardiac surgery. METHODS: We included 190 eligible adult patients who had AKI following cardiac surgery and who required RRT at our centre from November 2010 to March 2015...
June 23, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28655152/faulty-adaptation-to-repeated-face-name-associative-pairs-in-mild-cognitive-impairment-is-predictive-of-cognitive-decline
#7
Sarah M Jurick, Gali H Weissberger, Lindsay R Clark, Christina E Wierenga, Yu-Ling Chang, Dawn M Schiehser, S Duke Han, Amy J Jak, Sheena I Dev, Mark W Bondi
Objective: We examined BOLD (Blood-Oxygen-Level Dependent) activity reduction upon stimuli repetition of face-name pairs in older adults with amnestic (aMCI) and non-amnestic (naMCI) mild cognitive impairment diagnosed using a comprehensive actuarial method, and relationships between activity reduction and behavioral indices. Method: Twenty-nine cognitively healthy older adults (CHs) and 20 with MCI (n = 12 aMCI; n = 8 naMCI) underwent functional MRI event-related imaging, a comprehensive neuropsychological battery, and 1-year follow-up exam...
June 26, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28655086/-clinical-study-of-smt-%C3%A2-video-laryngoscope-with-difficult-airway-intubation-in-emergency-department
#8
J H Yu, Y Wang
Objective: To observe the clinical feasibility and security of SMT-Ⅱ video laryngoscope in difficult airway intubation in emergency department. Methods: This study took 90 adults with difficult airway who were admitted to the rescue room of Jingxi court of Beijing Chao-Yang Hospital, Capital Medical University from January 2015 to December 2016.The patients were randomly divided into 2 groups(SMT-Ⅱ video laryngoscope group: n=45, Macintosh direct laryngoscope group: n=45), which were treated with endotracheal intubation and ventilator assisted ventilation...
July 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28655069/delivery-of-parasite-cdg7_flc_0990-rna-transcript-into-intestinal-epithelial-cells-during-cryptosporidium-parvum-infection-suppresses-host-cell-gene-transcription-through-epigenetic-mechanisms
#9
Yang Wang, Ai-Yu Gong, Shibin Ma, Xiqiang Chen, Juliane K Strauss-Soukup, Xian-Ming Chen
Cryptosporidial infection causes dysregulated transcription of host genes key to intestinal epithelial homeostasis, but the underlying mechanisms remain obscure. Previous studies demonstrate that several C. parvum RNA transcripts are selectively delivered into epithelial cells during host cell invasion and may modulate gene transcription in infected cells. We report here that C. parvum infection suppresses the transcription of LRP5, SLC7A8, and IL33 genes in infected intestinal epithelium. Trans-suppression of these genes in infected host cells is associated with promoter enrichment of suppressive epigenetic markers (i...
June 27, 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28654987/women-s-awareness-and-perceived-importance-of-the-harms-and-benefits-of-mammography-screening-results-from-a-2016-national-survey
#10
Jiani Yu, Rebekah H Nagler, Erika Franklin Fowler, Karla Kerlikowske, Sarah E Gollust
No abstract text is available yet for this article.
June 26, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28654917/hypertriglyceridemia-in-female-rats-during-pregnancy-induces-obesity-in-male-offspring-via-altering-hypothalamic-leptin-signaling
#11
Tanzil Ur Rahman, Kamran Ullah, Zhang-Hong Ke, Meng-Xi Guo, Lu-Yang Jin, Jun Ren, Yu-Zhong Zhou, Yi Cheng, Xin-Yan Dong, Hai-Yan Pang, Ting-Ting Wang, Jian-Zhong Sheng, He-Feng Huang
Maternal obesity influence the child's long-term development and health. Though, the mechanism concerned in this process is still uncertain. In the present study, we explored whether overfeeding of a high-fat diet during pregnancy in female rats altered metabolic phenotypes in an F1 generation and authenticated the contribution of hypothalamic leptin signaling. Leptin responsiveness and the number of immunopositive neurons for phosphorylated signal transducer and activator transcription 3 (pSTAT3) were analyzed...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654914/an-epigenetic-signature-of-adhesion-molecules-predicts-poor-prognosis-of-ovarian-cancer-patients
#12
Ping-Ying Chang, Yu-Ping Liao, Hui-Chen Wang, Yu-Chih Chen, Rui-Lan Huang, Yu-Chi Wang, Chiou-Chung Yuan, Hung-Cheng Lai
DNA methylation is a promising biomarker for cancer. The epigenetic effects of cell adhesion molecules may affect the therapeutic outcome and the present study examined their effects on survival in ovarian cancer. We integrated methylomics and genomics datasets in The Cancer Genome Atlas (n = 391) and identified 106 highly methylated adhesion-related genes in ovarian cancer tissues. Univariate analysis revealed the methylation status of eight genes related to progression-free survival. In multivariate Cox regression analysis, four highly methylated genes (CD97, CTNNA1, DLC1, HAPLN2) and three genes (LAMA4, LPP, MFAP4) with low methylation were significantly associated with poor progression-free survival...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654909/brain-metastases-in-patients-with-non-small-cell-lung-cancer-the-role-of-mutated-egfrs-with-an-exon-19-deletion-or-l858r-point-mutation-in-cancer-cell-dissemination
#13
Shih-Hsin Hsiao, Yu-Ting Chou, Sey-En Lin, Ru-Chun Hsu, Chi-Li Chung, Yu-Rung Kao, H Eugene Liu, Cheng-Wen Wu
Non-small cell lung cancer (NSCLC) patients tend to develop brain metastases (BM), but the link between BM occurrence and driver mutations in NSCLC is not very clear. We explored whether activating mutations of epidermal growth factor receptors (EGFRs) in exon 19 deletion or L858R predict BM in NSCLC. A retrospective multivariable logistic regression analysis of 384 patients demonstrated that the presence of mutated-EGFRs was associated with overall BM (OR=2.24, P=0.001) compared to that of wild-type EGFR (WT-EGFR)...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654907/knockdown-of-malat1-expression-inhibits-huvec-proliferation-by-upregulation-of-mir-320a-and-downregulation-of-foxm1-expression
#14
Jian-Yong Sun, Zheng-Wei Zhao, Wei-Miao Li, Guang Yang, Peng-Yu Jing, Pei Li, Hai-Zhou Dang, Zhao Chen, Yong-An Zhou, Xiao-Fei Li
Regulation of cancer angiogenesis could be a useful strategy in cancer therapy. Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA (lncRNA), and can induce cancer cell proliferation, while lncRNAs, generally are able to act as microRNA (miRNA) sponges. The latter is a type of competitive endogenous RNA (ceRNA) that regulates expression of the targeting miRNAs and protein-coding genes. This study investigated the proliferative role of MALAT1 in human umbilical vein endothelial cells (HUVECs) and the underlying molecular events...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654895/preoperative-albumin-globulin-ratio-has-predictive-value-for-patients-with-laryngeal-squamous-cell-carcinoma
#15
Wan-Zhi Chen, Shi-Tong Yu, Rong Xie, Yun-Xia Lv, De-Bin Xu, Ji-Chun Yu
This study evaluated the predictive value of the preoperative albumin/globulin ratio (AGR) in laryngeal squamous cell carcinoma (LSCC) retrospectively, which has not been reported before. The current study enrolled 241 newly diagnosed LSCC patients in the Second Affiliated Hospital of Nanchang University between January 2005 and December 2010. The optimal AGR cut-off value for overall survival (OS) was determined to be 1.28. Univariate survival analysis identified sex, low AGR, T classification, histological grade and nodal metastasis as factors associated with poor OS...
June 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654890/wogonoside-inhibits-il-1%C3%AE-induced-catabolism-and-hypertrophy-in-mouse-chondrocyte-and-ameliorates-murine-osteoarthritis
#16
Qian Tang, Gang Zheng, Zhenhua Feng, Minji Tong, Jianxiang Xu, Zhiyan Hu, Ping Shang, Yu Chen, Chenggui Wang, Yiting Lou, Deheng Chen, Di Zhang, Majid Nisar, Xiaolei Zhang, Huazi Xu, Haixiao Liu
The inflammatory environment is correlated with extracellular matrix (ECM) degradation and chondrocyte hypertrophy in the development of osteoarthritis (OA). Previous studies have reported the anti-inflammatory effects of wogonoside in several diseases. In the present study, we investigated the protective effects of wogonoside in relation to the development of OA and delineated the potential mechanism. In vitro, wogonoside decreased the production of pro-inflammatory cytokines like Nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor alpha (TNF-α), and interleukin-6 (IL-6)...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654889/methylomics-of-nitroxidative-stress-on-precancerous-cells-reveals-dna-methylation-alteration-at-the-transition-from-in-situ-to-invasive-cervical-cancer
#17
Po-Hsuan Su, Yao-Wen Hsu, Rui-Lan Huang, Yu-Chun Weng, Hui-Chen Wang, Yu-Chih Chen, Yueh-Ju Tsai, Chiou-Chung Yuan, Hung-Cheng Lai
Epigenetic dysregulation is important in cervical cancer development, but the underlying mechanism is largely unknown. Increasing evidence indicates that DNA methylation is sensitive to changes in microenvironmental factors, such as nitric oxide (NO) in the chronic inflammatory cervix. However, the epigenomic effects of NO in cancer have not been investigated. In this study, we explored the methylomic effects of nitroxidative stress in HPV-immortalized precancerous cells. Chronic NO exposure promoted the acquisition of malignant phenotypes such as cell growth, migration, invasion, and anchorage-independent growth...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654867/cholesterol-rich-lipid-rafts-play-a-critical-role-in-bovine-parainfluenza-virus-type-3-bpiv3-infection
#18
Liyang Li, Liyun Yu, Xilin Hou
Lipid rafts are specialized lipid domains enriched in cholesterol and sphingolipid, which can be utilized in the lifecycle of numerous enveloped viruses. Bovine parainfluenza virustype3 (BPIV3) entry to cell is mediated by receptor binding and membrane fusion, but how lipid rafts in host cell membrane and BPIV3 envelope affect virus infection remains unclear. In this study, we investigated the role of lipid rafts in the different stages of BPIV3 infection. The MDBK cells were treated by methyl-β-cyclodextrin (MβCD) to disrupt cellular lipid raft, and the virus infection was determined...
May 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28654864/wolf-hirschhorn-syndrome-candidate-1-whsc1-functions-as-a-tumor-suppressor-by-governing-cell-differentiation
#19
Chuan Yu, Xiaomin Yao, Linjie Zhao, Ping Wang, Qian Zhang, Chengjian Zhao, Shaohua Yao, Yuquan Wei
Wolf-Hirschhorn syndrome candidate 1 (WHSC1) is a histone 3 lysine 36 (H3K36) specific methyltransferase that is frequently deleted in Wolf-Hirschhorn syndrome (WHS). Whsc1 is also found mutated in a subgroup of B-cell derived malignant diseases by genomic translocation or point mutation, both of which resulted in hyperactivity of WHSC1 mediated H3K36 methylation and uncontrolled cell proliferation, suggesting that whsc1 functions as an oncogene. However, here we provided evidences to show that whsc1 also has tumor suppressor functions...
June 24, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28654846/diabetes-mellitus-is-associated-with-late-onset-post-stroke-depression
#20
Yu Zhang, Ji-Rong He, Huai-Bin Liang, Wen-Jing Lu, Guo-Yuan Yang, Jian-Rong Liu, Li-Li Zeng
OBJECTIVE: To explore the associated factors of late-onset post-stroke depression (PSD). METHODS: A total of 251 patients with acute ischemic stroke were recruited. The evaluation of depression was performed 2 weeks after ischemia. 206 patients showing no depression in 2 weeks were followed up. They were divided into late-onset PSD group and non-depressed group by clinical interview with Hamilton depression scale score 3 months after stroke. On the first day following hospitalization, the clinical data including age, gender, educational level and vascular risk factors were recorded...
June 21, 2017: Journal of Affective Disorders
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