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https://www.readbyqxmd.com/read/28432950/effects-of-chlortetracycline-and-copper-on-tetracyclines-and-copper-resistance-genes-and-microbial-community-during-swine-manure-anaerobic-digestion
#1
Rui Wang, Meixue Chen, Feng Feng, Junya Zhang, Qianwen Sui, Juan Tong, Yuansong Wei, Dongbin Wei
As antibiotic and heavy metals are over used in the livestock industry, animal manure is a reservoir of antibiotic resistance genes (ARGs). Anaerobic digestion has been reported to have the potential to reduce ARGs. However, few studies investigated whether reduction of ARGs would be affected by different external pressures including antibiotics and heavy metals during anaerobic digestion. The purpose of this study was thus to investigate effects of both chlortetracycline (CTC) and Cu on reduction of ARGs, heavy metal resistance genes (HMRGs) and mobile genetic elements (MGEs) during the swine manure anaerobic digestion...
March 25, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432409/innovative-treatment-modalities-for-urinary-incontinence-a-european-survey-identifying-experience-and-attitude-of-healthcare-providers
#2
Arnoud W Kastelein, Maarten F A Dicker, Brent C Opmeer, Sonia S Angles, Kaisa E Raatikainen, Joan F Alonso, Diana Tăut, Olavi Airaksinen, Linda D Cardozo, Jan-Paul W R Roovers
INTRODUCTION AND HYPOTHESIS: Urinary incontinence is a common condition in women, with a reported prevalence ranging from 25% to 51%. Of these women, an estimated 38% suffer from stress urinary incontinence (SUI). A European research consortium is investigating an innovative system based on information and communication technology for the conservative treatment of women with SUI. When introducing a new intervention, implementation barriers arise and need to be identified. Therefore, we investigated healthcare providers' experience with and attitude towards innovative care options...
April 21, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28431925/analysis-of-pm2-5-induced-cytotoxicity-in-human-hacat-cells-based-on-a-microfluidic-system
#3
Yuxiao Zhang, Lulu Zheng, Jiang Tuo, Qi Liu, Xinlian Zhang, Zhixuan Xu, Sixiu Liu, Guodong Sui
Human exposure to PM2.5 causes several adverse health effects. Skin is the first barrier against harmful environmental substances and can has direct contact with PM2.5, but there is no study about PM2.5-induced cytotoxicity in human skin cells on the molecular level partially due to the shortcomings of traditional research methods. In present study, we established a microfluidic system including a cell culture chip integrated with a high-throughput protein microarray chip to investigate the mechanism of PM2...
April 18, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28430193/self-propelled-supramolecular-nanomotors-with-temperature-responsive-speed-regulation
#4
Yingfeng Tu, Fei Peng, Xiaofeng Sui, Yongjun Men, Paul B White, Jan C M van Hest, Daniela A Wilson
Self-propelled catalytic micro- and nanomotors have been the subject of intense study over the past few years, but it remains a continuing challenge to build in an effective speed-regulation mechanism. Movement of these motors is generally fully dependent on the concentration of accessible fuel, with propulsive movement only ceasing when the fuel consumption is complete. Here we report a demonstration of control over the movement of self-assembled stomatocyte nanomotors via a molecularly built, stimulus-responsive regulatory mechanism...
May 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28429506/a-robust-and-conductive-black-tin-oxide-nanostructure-makes-efficient-lithium-ion-batteries-possible
#5
Wujie Dong, Jijian Xu, Chao Wang, Yue Lu, Xiangye Liu, Xin Wang, Xiaotao Yuan, Zhe Wang, Tianquan Lin, Manling Sui, I-Wei Chen, Fuqiang Huang
SnO2 -based lithium-ion batteries have low cost and high energy density, but their capacity fades rapidly during lithiation/delithiation due to phase aggregation and cracking. These problems can be mitigated by using highly conducting black SnO2-x , which homogenizes the redox reactions and stabilizes fine, fracture-resistant Sn precipitates in the Li2 O matrix. Such fine Sn precipitates and their ample contact with Li2 O proliferate the reversible Sn → Li x Sn → Sn → SnO2 /SnO2-x cycle during charging/discharging...
April 21, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28429058/effects-of-genome-duplication-on-phenotypes-and-industrial-applications-of-saccharomyces-cerevisiae-strains
#6
Ke Zhang, Ya-Hong Fang, Ke-Hui Gao, Yang Sui, Dao-Qiong Zheng, Xue-Chang Wu
Polyploidy is common in Saccharomyces cerevisiae strains, but the physiological and phenotypic effects of ploidy changes have not been fully clarified. Here, isogenic diploid, triploid, and tetraploid S. cerevisiae strains were constructed from a haploid strain, CEN.PK2-1C. Stress tolerance and ethanol fermentation performance of the four euploid strains were compared. Each euploid strain had strengths and weaknesses in tolerance to certain stressors, and no single strain was tolerant of all stressors. The diploid had higher ethanol production than the other strains in normal fermentation medium, while the triploid strain showed the fastest fermentation rate in the presence of inhibitors found in lignocellulosic hydrolysate...
April 20, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28428544/strain-softening-of-nano-scale-fuzzy-interfaces-causes-mullins-effect-in-thermoplastic-polyurethane
#7
T Sui, E Salvati, S Ying, G Sun, I P Dolbnya, K Dragnevski, C Prisacariu, A M Korsunsky
The strain-induced softening of thermoplastic polyurethane elastomers (TPUs), known as the Mullins effect, arises from their multi-phase structure. We used the combination of small- and wide- angle X-ray scattering (SAXS/WAXS) during in situ repeated tensile loading to elucidate the relationship between molecular architecture, nano-strain, and macro-scale mechanical properties. Insights obtained from our analysis highlight the importance of the 'fuzzy interface' between the hard and soft regions that governs the structure evolution at nanometre length scales and leads to macroscopic stiffness reduction...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428138/pregnane-x-receptor-regulates-the-ahr-cyp1a1-pathway-and-protects-liver-cells-from-benzo-%C3%AE-pyrene-induced-dna-damage
#8
Hongmei Cui, Xinsheng Gu, Jingshu Chen, Ying Xie, Sui Ke, Jing Wu, Andrei Golovko, Benjamin Morpurgo, Chunhong Yan, Timothy D Phillips, Wen Xie, Jianyuan Luo, Zhijun Zhou, Yanan Tian
Pregnane X receptor (PXR) plays an important role in protecting cells from mutagenic DNA damages induced by endogenous and exogenous toxicants. This protective function is often attributed to the PXR-regulated metabolic detoxification. Here we report a novel potential mechanism that PXR reduces benzo-[α]-pyrene(BaP)-induced DNA damage through inhibiting the transcriptional activity of aryl hydrocarbon receptor (AhR) which plays a pivotal role in the bioactivation of BaP. We have utilized three well-characterized cell lines, i...
April 17, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28428022/cloning-and-identification-of-a-novel-steroid-11%C3%AE-hydroxylase-gene-from-absidia-coerulea
#9
Ruijie Wang, Pengcheng Sui, Xiangjiang Hou, Tong Cao, Longgang Jia, Fuping Lu, Suren Singh, Zhengxiang Wang, Xiaoguang Liu
Steroid 11-hydroxylation by filamentous fungi is a major route for industrial scale production of key intermediates in the synthesis of steroid drugs. Although it is well established that enzymes involved in fungal hydroxylation of steroids are cytochrome P450s (CYP), few fungal steroid hydroxylase genes have been identified. In this study, we identified a novel 11α-hydroxylase gene CYP5311B1 from Absidia coerulea AS3.65 by a combination of transcriptome sequencing, Real-Time qRT-PCR and heterologous expression in Pichia pastoris...
April 17, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28427236/combined-effects-of-glutathione-s-transferase-m1-and-t1-polymorphisms-on-risk-of-lung-cancer-evidence-from-a-meta-analysis
#10
Ying Gao, Fei Gao, Ting-Ting Hu, Gang Li, Yan-Xia Sui
Many studies have reported an association between the glutathione S-transferase M1 null and T1 null polymorphisms and lung cancer risk. However, the combined effects of GSTM1 null and GSTT1 null polymorphisms have not been reported previously. We, therefore, performed a meta-analysis to investigate the combined effects. 40 publications with 44 case-control studies were selected in the meta-analysis, including 13,706 cases and 13,093 controls. Significant association was observed between the combined effects of GSTM1 and GSTT1 polymorphisms and lung cancer risk when all the eligible studies were pooled into the meta-analysis...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425925/evaluation-of-the-immunomodulatory-properties-of-streptococcus-suis-and-group-b-streptococcus-capsular-polysaccharides-on-the-humoral-response
#11
Cynthia Calzas, Morgan Taillardet, Insaf Salem Fourati, David Roy, Marcelo Gottschalk, Hugo Soudeyns, Thierry Defrance, Mariela Segura
Streptococcus suis and group B Streptococcus (GBS) are encapsulated streptococci causing septicemia and meningitis. Antibodies (Abs) against capsular polysaccharides (CPSs) have a crucial protective role, but the structure/composition of the CPS, including the presence of sialic acid, may interfere with the generation of anti-CPS Ab responses. We investigated the features of the CPS-specific Ab response directed against S. suis serotypes 2 and 14 and GBS serotypes III and V after infection or immunization with purified native or desialylated CPSs in mice...
April 20, 2017: Pathogens
https://www.readbyqxmd.com/read/28422736/identification-of-map-kinase-pathways-as-therapeutic-targets-in-gallbladder-carcinoma-using-targeted-parallel-sequencing
#12
Mengdan Li, Lihong Chen, Yiping Qu, Fang Sui, Qi Yang, Meiju Ji, Bingyin Shi, Mingwei Chen, Peng Hou
The aim of this study was to profile somatic mutation spectrum in gallbladder cancers (GBCs), and determine the role of MAP kinase pathway in GBC by a series of in vitro and in vivo studies. We performed targeted massively parallel sequencing of DNA isolated from GBCs and matched blood from 14 GBC patients to search for mutations in 504 genes commonly altered in human cancers. We identified recurrent mutations enriched in several major signaling pathways including MAP kinase, Wnt/β-catenin and NF-κB pathways...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422678/correlation-filter-learning-toward-peak-strength-for-visual-tracking
#13
Yao Sui, Guanghui Wang, Li Zhang
This paper presents a novel visual tracking approach to correlation filter learning toward peak strength of correlation response. Previous methods leverage all features of the target and the immediate background to learn a correlation filter. Some features, however, may be distractive to tracking, like those from occlusion and local deformation, resulting in unstable tracking performance. This paper aims at solving this issue and proposes a novel algorithm to learn the correlation filter. The proposed approach, by imposing an elastic net constraint on the filter, can adaptively eliminate those distractive features in the correlation filtering...
April 13, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28420892/adenomyomatosis-concomitant-with-primary-gallbladder-carcinoma
#14
Tatsuya Morikawa, Takehiro Okabayashi, Yasuo Shima, Tatsuaki Sumiyoshi, Akihito Kozuki, Yuichi Saisaka, Teppei Tokumaru, Kenta Sui, Jun Iwata, Manabu Matsumoto, Sojiro Morita, Yutaka Nishioka
Some clinicians have proposed a relationship between gallbladder (GB) cancer and adenomyomatosis (ADM) of the gallbladder, although the latter condition is not considered to have malignant potential. We retrospectively reviewed the surgical pathology database of patients who underwent resection for ADM of the gallbladder at our institution from March 2005 to May 2015. In total, 624 patients underwent surgical resection of the gallbladder with Rokitansky-Aschoff sinuses. Of these cases, 93 were pathologically diagnosed with ADM of the gallbladder, with 44 (47...
April 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28420225/engineering-the-complex-valued-constitutive-parameters-of-metamaterials-for-perfect-absorption
#15
Pengwei Wang, Naibo Chen, Chaojun Tang, Jing Chen, Fanxin Liu, Saiqian Sheng, Bo Yan, Chenghua Sui
We theoretically studied how to directly engineer the constitutive parameters of metamaterials for perfect absorbers of electromagnetic waves. As an example, we numerically investigated the necessary refractive index n and extinction coefficient k and the relative permittivity ε and permeability μ of a metamaterial anti-reflection layer, which could cancel the reflection from a hydrogenated amorphous silicon (α-Si:H) thin film on a metal substrate, within the visible wavelength range from 300 to 800 nm...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28419944/electrochemical-synthesis-of-three-dimensional-porous-reduced-graphene-oxide-film-preparation-and-in-vitro-osteogenic-activity-evaluation
#16
Zizhu Tian, Lixun Huang, Xibo Pei, Junyu Chen, Tong Wang, Tao Yang, Han Qin, Lei Sui, Jian Wang
In this study, three-dimensional reduced graphene oxide (3D-rGO) porous films were fabricated using a two-step electrochemical method, including an electrochemical deposition process for the self-assembly of GO and an electrochemical bubbling-based transfer. The morphology, physical properties, and phase composition of the 3D-rGO films were characterized, and the cellular bioactivities were evaluated using pre-osteoblasts (MC3T3-E1 cells). The attachment, proliferation and differentiation of the MC3T3-E1 cells on the 3D-rGO films was analyzed by scanning electron microscopy (SEM), Cell Counting Kit-8 (CCK-8) assays and live/dead cell staining, and alkaline phosphatase (ALP) activity assays, respectively...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28419885/registry-of-implants-for-the-reconstruction-of-pelvic-floor-in-males-and-females-a-feasibility-case-series
#17
Dimitri Barski, Holger Gerullis, Thorsten Ecke, Jennifer Kranz, Laila Schneidewind, Nadine Leistner, Fabian Queissert, Sandra Mühlstädt, Markus Grabbert, Rana Tahbaz, Alexandre Egon Pelzer, Ralf Joukhadar, Uwe Klinge, Mihaly Boros, Werner Bader, Gert Naumann, Frank Puppe, Thomas Otto
INTRODUCTION: Most aspects of implant-assisted reconstruction of pelvic floor in males and females are under debate and the research is not standardized. Registries are supposed to shed light to the indications, surgical techniques and material properties and to establish a standardized evaluation. METHODS: A working group was formed to create an online platform for registration and outcome measurement of implant-assisted operations for pelvic organ prolapse (POP) and female and male stress urinary incontinence (SUI)...
April 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28419207/ckii-sirt1-sm22%C3%AE-loop-evokes-a-self-limited-inflammatory-response-in-vascular-smooth-muscle-cells
#18
Ya-Nan Shu, Li-Hua Dong, Han Li, Qian-Qian Pei, Sui-Bing Miao, Fan Zhang, Dan-Dan Zhang, Rong Chen, Ya-Juan Yin, Yan-Ling Lin, Zhen-Ying Xue, Pin Lv, Xiao-Li Xie, Li-Li Zhao, Xi Nie, Peng Chen, Mei Han
Aims: Sirtuin 1 (SIRT1) inhibits nuclear factor kappa B (NF-κB) activity in response to the inflammatory cytokine tumour necrosis factor alpha (TNF-α). Smooth muscle (SM) 22α is a phosphorylation-regulated suppressor of IKK-IκBα-NF-κB signalling cascades in vascular smooth muscle cells (VSMCs). Sm22α knockout results in increased expression of pro-inflammatory genes in the aortas which are controlled by NF-κB. This study aimed to investigate the relationship between SM22α and SIRT1 in the control of vascular inflammation...
April 16, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28418899/an-exploration-of-the-role-of-a-fish-oriented-diet-in-cognitive-decline-a-systematic-review-of-the-literature
#19
REVIEW
Ling-Feng Zeng, Ye Cao, Wei-Xiong Liang, Wen-Hu Bao, Jian-Ke Pan, Qi Wang, Jun Liu, Hao-Dong Liang, Hui Xie, Yan-Ting Chai, Zi-Tong Guan, Qian Cao, Xiao-Yan Li, Lei Yang, Wei-Hua Xu, Sui-Qing Mi, Ning-Sheng Wang
Epidemiological studies have presented inconsistent evidence of the correlation between a fish-oriented dietary intake (FDI) and the risk of cognitive decline. To address these controversies, we performed this systematic review of prospective studies published in December 2016 and earlier using PubMed, Embase, and Web of Science. Two independent researchers conducted the eligibility assessment and data extraction; all discrepancies were solved by discussion with a third researcher. The pooled relative risks (RRs) focused on the incidence of events were estimated with 95% confidence intervals (CIs)...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417154/bulkamid-pahg-in-mixed-urinary-incontinence-what-is-the-outcome
#20
Stefan Mohr, Christine Marthaler, Sara Imboden, Ash Monga, Michel D Mueller, Annette Kuhn
INTRODUCTION AND HYPOTHESIS: Mixed urinary incontinence (MUI), defined as mixed symptoms of stress urinary incontinence (SUI) and overactive bladder (OAB), is a difficult entity if conservative treatment has failed. Cure rates are low compared with SUI, particularly the OAB component, may deteriorate after sling insertion. Bulking agents pose an appealing alternative for the treatment of MUI. They have shown beneficial effect in small case studies, but larger series are lacking. The aim of this prospective study was an analysis of treatment efficacy and safety profile of the bulking agent, Bulkamid, in female patients with MUI...
April 17, 2017: International Urogynecology Journal
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