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https://www.readbyqxmd.com/read/28088716/unveiling-the-transformation-and-bioavailability-of-dissolved-organic-matter-in-contrasting-hydrothermal-vents-using-fluorescence-eem-parafac
#1
Liyang Yang, Wan-E Zhuang, Chen-Tung Arthur Chen, Bing-Jye Wang, Fu-Wen Kuo
The submarine hydrothermal systems are extreme environments where active cycling of dissolved organic matter (DOM) may occur. However, little is known about the optical properties and bioavailability of hydrothermal DOM, which could provide valuable insights into its transformation processes and biogeochemical reactivity. The quantity, quality, and bioavailability of DOM were investigated for four very different hydrothermal vents east of Taiwan, using dissolved organic carbon (DOC), absorption spectroscopy, and fluorescence excitation-emission matrices-parallel factor analysis (EEM-PARAFAC)...
January 3, 2017: Water Research
https://www.readbyqxmd.com/read/28088538/perceived-parental-alcohol-problems-and-drinking-patterns-in-youth-a-cross-sectional-study-of-69-030-secondary-education-students-in-denmark
#2
Veronica S C Pisinger, Charlotte A Holst, Pernille Bendtsen, Ulrik Becker, Janne S Tolstrup
The aim of the study was to examine whether young people with parental alcohol problems have different drinking patterns than those without parental alcohol problems. Further, we examined whether the association between parental alcohol problems and young people's drinking patterns differed depending on the gender of the child and the parent, and whether more severe parental alcohol problems and cohabitation with the parent with alcohol problems was associated with earlier and heavier drinking patterns. Data came from the Danish National Youth Study 2014, a web-based national survey...
January 11, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28088315/paris-saponin-induced-autophagy-promotes-breast-cancer-cell-apoptosis-via-the-akt-mtor-signaling-pathway
#3
Zhan-Zhi Xie, Man-Mei Li, Peng-Fei Deng, Sheng Wang, Lei Wang, Xue-Ping Lu, Liu-Bing Hu, Zui Chen, Hui-Yang Jie, Yi-Fei Wang, Xiao-Xiao Liu, Zhong Liu
Paris saponins possess anticancer, anti-inflammatory, and antiviral effects. However, the anticancer effect of Paris saponins has not been well elucidated and the mechanisms underlying the potential function of Paris saponins in cancer therapy are needed to be further identify. In this study, we report that saponin compounds isolated from Paris polyphylla exhibited antitumor activity against breast cancer cell lines, MCF-7 and MDA-MB-231. Paris saponin XA-2 induced apoptosis in both cell lines, as evidenced by the activation of caspases and cleavage of Poly (ADP-ribose) polymerase...
January 11, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28088285/plasmon-enhanced-fluorescence-imaging-with-silicon-based-silver-chips-for-protein-and-nucleic-acid-assay
#4
Bing Yuan, Xiangxu Jiang, Chu Yao, Meimei Bao, Jiaojiao Liu, Yujiang Dou, Yinze Xu, Yao He, Kai Yang, Yuqiang Ma
Metal-enhanced fluorescence shows great potential for improving the sensitivity of fluoroscopy, which has been widely used in protein and nucleic acid detection for biosensor and bioassay applications. In comparison with the traditional glass-supported metal nanoparticles (MNPs), the introduction of a silicon substrate has been shown to provide an increased surface-enhanced Raman scattering (SERS) effect due to the coupling between the MNPs and the semiconducting silicon substrate. In this work, we further study the fluorescence-enhanced effect of the silicon-supported silver-island (Ag@Si) plasmonic chips...
February 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28087985/prophylactic-tributyrin-treatment-mitigates-chronic-binge-alcohol-induced-intestinal-barrier-and-liver-injury
#5
Gail A Cresci, Bryan Glueck, Megan R McMullen, Wei Xin, Danielle Allende, Laura E Nagy
BACKGROUND/AIM: Impaired gut-liver axis is a potential factor contributing to alcoholic liver disease. Ethanol depletes intestinal integrity and causes gut dysbiosis. Butyrate, a fermentation byproduct of gut microbiota, is altered negatively following chronic ethanol exposure. This study aimed to determine whether prophylactic tributyrin could protect the intestinal barrier and liver in mice during combined chronic-binge ethanol exposure. METHODS: C57BL/6 J mice exposed to 5% v/v ethanol-containing diet for 10 days received a single ethanol gavage (5 g/kg) 9 hrs prior to euthanasia...
January 14, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28087463/effect-of-22-cyp2d6-variants-found-in-the-chinese-population-on-tolterodine-metabolism-in-vitro
#6
Hao Wang, Da-Peng Dai, Peng Sun, Li-Ping Xu, Bing-Qing Liang, Jian-Ping Cai, Guo-Xin Hu
Cytochrome P450 2D6 (CYP2D6) is an important member of the cytochrome P450 enzyme superfamily. We recently identified 22 novel variants in the Chinese population using PCR and bidirectional sequencing methods. The aim of this study is to characterize the enzymatic activity of these variants and their effects on the metabolism of the antimuscarinic drug tolterodine in vitro. A baculovirus-mediated expression system was used to express wild-type CYP2D6 and 24 variants (CYP2D6*2, CYP2D6*10, and 22 novel CYP2D6 variants) at high levels...
January 10, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28086987/a-systematic-review-and-meta-analysis-of-the-seroprevalence-of-toxoplasma-gondii-in-cats-in-mainland-china
#7
Huan Ding, Yu-Meng Gao, Yao Deng, Poppy H L Lamberton, Da-Bing Lu
BACKGROUND: Toxoplasmosis is caused by Toxoplasma gondii which can infect all warm-blooded animals. As the most common feline definitive host, cats play a vital role in the transmission of T. gondii. However, national estimates of the seroprevalence of T. gondii in cats in mainland China are lacking, and therefore a systematic review and meta-analysis were performed to provide insight into national environmental transmission levels and potential transmission to humans. METHODS: Studies published up until July 1, 2016, on T...
January 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28086946/mir-1307-promotes-ovarian-cancer-cell-chemoresistance-by-targeting-the-ing5-expression
#8
Wen-Ting Chen, Yu-Jia Yang, Zhen-Dong Zhang, Qiang An, Na Li, Wei Liu, Bing Yang
BACKGROUND: We aimed to investigate the function of miR-1307 in chemoresistance and to explore its chemoresistance mechanism in ovarian cancer. METHODS: IC50 determination was used to test the chemoresistance profling in ovarian cancer cells. QRT-PCR or western blot was used to validate the expression level of miR-1307 and candidate gene or protein. Colony formation assay and FITC-labeled enhanced Annexin V immunofluorescence were used to compare cell proliferation and apoptosis ability, respectively...
January 11, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28081508/historical-variation-in-black-carbon-deposition-and-sources-to-northern-china-sediments
#9
Wenxue Xu, Fu Wang, Jiwei Li, Lizhu Tian, Xingyu Jiang, Jilong Yang, Bing Chen
Black carbon (BC) in fine particulate matter (PM2.5) is an important air pollutant in a large area of China. We have reconstructed a 100-year-long history of BC deposition based on analyses of sediment samples in the coastal area of the Northern China Plain (NCP). During 1900-2010, the sedimentary BC concentrations at three cores increased from 0.2 to 1.3, from 0.2 to 2.3, and from 0.2 to 1.9 mg g(-1), and the ranges for the BC deposition fluxes were 0.1-4.7, 0.1-8.2, 0.2-7.4 g m(-2) a(-1), suggesting the increase of ten times from the pre-industrial era...
January 2, 2017: Chemosphere
https://www.readbyqxmd.com/read/28081169/assessment-of-a-96-well-plate-assay-of-quantitative-drug-susceptibility-testing-for-mycobacterium-tuberculosis-complex-in-china
#10
Hui Xia, Yang Zheng, Bing Zhao, Susan van den Hof, Frank Cobelens, YanLin Zhao
OBJECTIVE: To evaluate the performance of the Sensitire MYCOTB MIC Plate (MYCOTB) which could measure the twelve anti-tuberculosis drugs susceptibility on one 96-wells plate. METHODS: A total of 140 MDR-TB strains and 60 non-MDR strains were sub-cultured and 193 strains were finally tested for drug resistance using MYCOTB and agar proportion method (APM) and another 7 strains failed of subculture. The drugs included ofloxacin (Ofx), moxifloxacin (Mfx), rifampin (RFP), amikacin (Am), rifabutin (Rfb), para-aminosalicylic acid (PAS), ethionamide (Eth), isoniazid (INH), kanamycin (Km), ethambutol (EMB), streptomycin (Sm), and cycloserine(Cs)...
2017: PloS One
https://www.readbyqxmd.com/read/28081138/overexpression-of-kinesin-family-member-20a-correlates-with-disease-progression-and-poor-prognosis-in-human-nasopharyngeal-cancer-a-retrospective-analysis-of-105-patients
#11
Sai-Lan Liu, Huan-Xin Lin, Fang Qiu, Wei-Jing Zhang, Chun-Hao Niu, Wen Wen, Xiao-Qing Sun, Li-Ping Ye, Xian-Qiu Wu, Chu-Yong Lin, Li-Bing Song, Ling Guo
BACKGROUND: Numerous studies have shown Kinesin family member 20A (KIF20A) may play a critical role in the development and progression of cancer. However, the clinical value of KIF20A in nasopharyngeal carcinoma (NPC) is unknown. Here, we investigated the expression pattern of KIF20A in NPC and its correlation with clinicopathological features of patients. METHODS: Real-time PCR and Western blotting were used to quantify KIF20A expression in NPC cell lines and clinical specimens compared with normal controls...
2017: PloS One
https://www.readbyqxmd.com/read/28079879/the-cluspro-web-server-for-protein-protein-docking
#12
Dima Kozakov, David R Hall, Bing Xia, Kathryn A Porter, Dzmitry Padhorny, Christine Yueh, Dmitri Beglov, Sandor Vajda
The ClusPro server (https://cluspro.org) is a widely used tool for protein-protein docking. The server provides a simple home page for basic use, requiring only two files in Protein Data Bank (PDB) format. However, ClusPro also offers a number of advanced options to modify the search; these include the removal of unstructured protein regions, application of attraction or repulsion, accounting for pairwise distance restraints, construction of homo-multimers, consideration of small-angle X-ray scattering (SAXS) data, and location of heparin-binding sites...
February 2017: Nature Protocols
https://www.readbyqxmd.com/read/28079823/pet-ct-for-differentiating-between-tuberculous-peritonitis-and-peritoneal-carcinomatosis-the-parietal-peritoneum
#13
Shao-Bo Wang, Yun-Hai Ji, Hu-Bing Wu, Quan-Shi Wang, Wen-Lan Zhou, Liang Lv, Tao Shou, Jing Hu
OBJECTIVES: Tuberculous peritonitis (TBP) mimics peritoneal carcinomatosis (PC). We aimed to investigate the discriminative use of PET/CT findings in the parietal peritoneum. MATERIALS AND METHODS: Parietal peritoneal PET/CT findings from 76 patients with TBP (n = 25) and PC (n = 51) were retrospectively reviewed. The lesion locations were noted as right subdiaphragmatic, left subdiaphragmatic, right paracolic gutters, left paracolic gutters, and pelvic regions...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079813/surgical-treatment-for-male-prolactinoma-a-retrospective-study-of-184-cases
#14
Yi-Jun Song, Mei-Ting Chen, Wei Lian, Bing Xing, Yong Yao, Ming Feng, Ren-Zhi Wang
A total of 184 cases of surgically treated male prolactinoma were analyzed retrospectively to summarize the outcome of this surgical intervention. We analyzed the general characteristics, clinical manifestations, hormone levels, imaging features, preoperative treatments, surgical outcomes, pathology results, and follow-up records for all included patients. The most common clinical manifestations included sexual dysfunction (47.4%), headache (55.9%), and visual disturbance (46.7%). Serum prolactin levels ranged from 150 to 204,952 ng/mL...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079511/circulating-carotenoids-and-subsequent-risk-of-rheumatoid-arthritis-in-women
#15
Yang Hu, Jing Cui, Jeffrey A Sparks, Susan Malspeis, Karen H Costenbader, Elizabeth W Karlson, Bing Lu
OBJECTIVES: The aim of the present study was to examine the associations between circulating carotenoids and future risk of rheumatoid arthritis (RA). METHODS: We conducted a nested case-control study consisting of 227 incident RA cases and 671 matched controls with prospectively measured plasma carotenoids (α-carotene, β-carotene, β-cryptoxanthin, lycopene and lutein/zeaxanthin) levels in the Nurses' Health Study (NHS) and Nurses' Health Study II (NHS II). Each incident RA case was matched with 3 healthy controls...
January 4, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28078784/rumination-in-patients-with-binge-eating-disorder-and-obesity-associations-with-eating-disorder-psychopathology-and-weight-bias-internalization
#16
Shirley B Wang, Janet A Lydecker, Carlos M Grilo
Overvaluation of shape and weight in binge-eating disorder (BED) is associated with greater eating-disorder psychopathology and greater weight-bias internalization, which are-in turn-associated with poorer mental and physical health. Little is known, however, about the significance of other cognitive processes, such as rumination, in BED. This study examined rumination and overvaluation of shape/weight with eating-disorder psychopathology and weight-bias internalization among 237 treatment-seeking patients with BED and comorbid obesity...
January 12, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28078639/low-preoperative-prognostic-nutritional-index-predicts-poor-survival-in-patients-with-newly-diagnosed-high-grade-gliomas
#17
Zhen-Qiang He, Chao Ke, Fuad Al-Nahari, Hao Duan, Cheng-Cheng Guo, Yang Wang, Xiang-Heng Zhang, Yin-Sheng Chen, Zhi-Gang Liu, Jian Wang, Zhong-Ping Chen, Xiao-Bing Jiang, Yong-Gao Mou
Preoperative prognostic nutritional index (PNI) has been widely demonstrated to predict survival of patients with malignant tumors. Its utility in predicting outcomes in patients with high-grade gliomas (HGG) remains undefined. A retrospective study of 188 HGG patients was conducted. An optimal PNI cut-off value was applied to stratify patients into high PNI (≥52.55, n = 78) and low PNI (<52.55, n = 110) groups. Univariate and multivariate analysis was performed to identify prognostic factors associated with overall survival (OS) and progression free survival (PFS)...
January 11, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28078608/study-on-the-polarization-of-random-lasers-from-dye-doped-nematic-liquid-crystals
#18
Lihua Ye, Chong Zhao, Yangyang Feng, Bing Gu, Yiping Cui, Yanqing Lu
Random lasers from dye-doped nematic liquid crystal (DDNLC) cells with different rubbing methods were observed due to different random ring cavities that were formed. Through constructing cells with different rubbing methods on the forward and backward surfaces of light-emitting sides, we can get two random laser beams with different polarization directions from one DDNLC cell at the same time, and the polarization direction is along the rubbing direction of the light-emitting sides. Additionally, the influence of external electric field on the polarization degree of random lasers was also studied...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28078092/severe-obesity-emotions-and-eating-habits-a-case-control-study
#19
M Koski, H Naukkarinen
BACKGROUND: Obesity has a multifaceted etiology that involves genetic, biological and behavioral factors, body growth, eating habits, energy expenditure and the function of adipose tissue. The present study aimed to expand upon knowledge about the relationships among obesity, emotions and eating habits in severely obese individuals using a case-control method. METHODS: The subject group consisted of 112 individuals (81 females and 31 males) receiving a permanent disability pension primarily for obesity...
2017: BMC Obesity
https://www.readbyqxmd.com/read/28077651/bromodomain-containing-4-brd4-couples-nf%C3%AE%C2%BAb-rela-with-airway-inflammation-and-the-irf-rig-i-amplification-loop-in-respiratory-syncytial-virus-infection
#20
Bing Tian, Jun Yang, Yingxin Zhao, Teodora Ivanciuc, Hong Sun, Roberto P Garofalo, Allan R Brasier
: The airway mucosa expresses protective interferon (IFN) and inflammatory cytokines in response to Respiratory Syncytial Virus (RSV) infection. In this study, we examine the role of bromodomain containing 4 (BRD4) in mediating this innate immune response in human small airway epithelial cells. We observe that RSV induces BRD4 to complex with NFκB/RelA. BRD4 is functionally required for expression of the NFκB-dependent inflammatory gene regulatory network (GRN), including the IFN Response Factor (IRFs)-1 and -7 that mediate a cross-talk pathway for RIG-I upregulation...
January 11, 2017: Journal of Virology
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