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https://www.readbyqxmd.com/read/27930906/an-elegant-circuit-for-balancing-risk-and-reward
#1
Zhaoyu Li, Adam J Iliff, X Z Shawn Xu
Animals constantly encounter conflicting cues in natural environments. To survive and thrive, they must make appropriate behavioral decisions. In this issue, Ghosh et al. (2016) identified a neural circuit underlying multisensory threat-reward decision making using an elegant C. elegans model.
December 7, 2016: Neuron
https://www.readbyqxmd.com/read/27908775/regulation-of-general-amino-acid-permeases-gap1p-gata-transcription-factors-gln3p-and-gat1p-on-2-phenylethanol-biosynthesis-via-ehrlich-pathway
#2
Xianrui Chen, Zhaoyue Wang, Xuena Guo, Sha Liu, Xiuping He
In Saccharomyces cerevisiae, when L-phenylalanine (L-Phe) is used as the sole nitrogen source, 2-phenylethanol (PE) is mainly synthesized via the Ehrlich pathway. General amino acid permease Gap1p is response of aromatic amino acids transportation, and GATA transcription factors Gln3p and Gat1p regulate the transcription of permease gene and catabolic enzyme genes for nitrogen sources and aromatic amino acids utilization. In this study, it was demonstrated that over-expressing GLN3 gene from industrial yeast strain MT2 or S...
November 28, 2016: Journal of Biotechnology
https://www.readbyqxmd.com/read/27878254/restoration-of-the-tumor-suppressor-function-to-mutant-p53-by-ganoderma-lucidum-polysaccharides-in-colorectal-cancer-cells
#3
Dan Jiang, Lingyao Wang, Tong Zhao, Zhaoyu Zhang, Renxia Zhang, Jingji Jin, Yong Cai, Fei Wang
Ganoderma lucidum polysaccharides (GLPs), isolated from spores, mycelia and fruiting bodies of Ganoderma lucidum, have been suggested to possess anticancer activities in a large number of basic studies. A recent survey revealed that GLP-induced inhibition of cancer cell growth was dependent on the existence of functional p53. However, the actual role of p53-mediated tumor-suppressing pathways in facilitating the anticancer effect of GLPs is still unclear. In the present study, we investigated the interaction between GLPs and mutant p53 that exists in more than half of the known types of cancers...
November 15, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27863111/an-electrocatalytic-hydrogen-evolving-hybrid-electrolyte-battery-with-electrochemical-and-photoelectrochemical-charging-from-water-oxidation
#4
Zhaoyu Jin, Panpan Li, Dan Xiao
Decoupled hydrogen and oxygen production have been successfully embedded into an aqueous dual-electrolyte (acid-base) battery for simultaneous energy storage and conversion. We adopt a three-electrode configuration involving an electrocatalytic hydrogen-evolving electrode as cathode, an alkaline battery-type or capacitor-type anode as shuttle, as well as a charging assisting electrode for electro-/photoelectrochemically catalyzing water oxidation. The conceptual battery not only synergistically outputs electricity and chemical fuels with tremendous specific energy and power densities, but also supports various approaches to be charged by pure or solar-assisted electricity...
November 8, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27858952/subintimal-angioplasty-for-lower-limb-arterial-chronic-total-occlusions
#5
REVIEW
ZhiHui Chang, JiaHe Zheng, ZhaoYu Liu
BACKGROUND: In recent years subintimal angioplasty (SIA) has become an established percutaneous procedure for the treatment of symptomatic lower limb arterial chronic total occlusions. However, the clinical benefits of this practice remain unclear. The aim of the review was to determine the effectiveness of SIA on clinical outcomes. This is an update of a review first published in 2013. OBJECTIVES: To assess the effectiveness of SIA versus other treatment for people with lower limb arterial chronic total occlusions, determined by the effects on clinical improvement, technical success rate, patency rate, limb salvage rate, and morbidity rates...
November 18, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27833950/hyperspectral-imaging-analysis-of-a-photonic-crystal-bead-array-for-multiplex-bioassays
#6
Xiangwei Zhao, Tengfei Ma, Zhaoyu Zeng, Shiya Zheng, Zhongze Gu
For multiplex bioassays, one effective strategy is to employ microfluidic chips based on an array of photonic crystal beads (PCBs) that are encoded by their characteristic reflection spectrum (CRS). In this paper, we report a hyperspectral imaging system and algorithms for the high throughput decoding of a PCB array and subsequent detection. The results showed that the decoding accuracy of up to ∼500 PCBs is 98.56% with an excellent ability to extract low-intensity fluorescence intensities. The results also demonstrated hyperspectral imaging techniques which can simultaneously obtain both spatial and spectral information as powerful tools in the analysis of multiplex bioassays or microfluidic chips...
November 11, 2016: Analyst
https://www.readbyqxmd.com/read/27822021/time-to-lack-of-persistence-with-pharmacological-treatment-among-patients-with-current-depressive-episodes-a-natural-study-with-1-year-follow-up
#7
Kanglai Li, Qinling Wei, Guanying Li, Xiangjun He, Yingtao Liao, Zhaoyu Gan
INTRODUCTION: Medication nonadherence remains a big challenge for depressive patients. This study aims to assess and compare the medication persistence between unipolar depression (UD) and bipolar depression (BD). METHODS: A total of 146 UD and 187 BD patients were recruited at their first index prescription. Time to lack of persistence with pharmacological treatment (defined as a gap of at least 60 days without taking any medication) was calculated, and clinical characteristics were collected...
2016: Patient Preference and Adherence
https://www.readbyqxmd.com/read/27815445/neutrophil-necroptosis-is-triggered-by-ligation-of-adhesion-molecules-following-gm-csf-priming
#8
Xiaoliang Wang, Zhaoyue He, He Liu, Shida Yousefi, Hans-Uwe Simon
Apoptosis is the most common form of neutrophil death under both physiological and inflammatory conditions. However, forms of nonapoptotic neutrophil death have also been observed. In the current study, we report that human neutrophils undergo necroptosis after exposure to GM-CSF followed by the ligation of adhesion receptors such as CD44, CD11b, CD18, or CD15. Using a pharmacological approach, we demonstrate the presence of a receptor-interacting protein kinase-3 (RIPK3)-a mixed lineage kinase-like (MLKL) signaling pathway in neutrophils which, following these treatments, first activates p38 MAPK and PI3K, that finally leads to the production of high levels of reactive oxygen species (ROS)...
November 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27797486/palladium-triggered-chemical-rescue-of-intracellular-proteins-via-genetically-encoded-allene-caged-tyrosine
#9
Jie Wang, Siqi Zheng, Yanjun Liu, Zhaoyue Zhang, Zhi Lin, Jiaofeng Li, Gong Zhang, Xin Wang, Jie Li, Peng R Chen
Chemical decaging has emerged as an attractive strategy for gain-of-function study of proteins via small molecule reagents. The previously reported chemical decaging reactions have been largely centered on liberating the side-chain of lysine on a given protein. Herein, we developed an allene-based caging moiety and the corresponding palladium decaging reagents for chemical rescue of tyrosine (Tyr) activity on intracellular proteins. This bioorthogonal decaging pair has been successfully applied to unmask enzymatic Tyr sites (eg...
October 31, 2016: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27770224/regulation-of-crucial-enzymes-and-transcription-factors-on-2-phenylethanol-biosynthesis-via-ehrlich-pathway-in-saccharomyces-cerevisiae
#10
Zhaoyue Wang, Xuejing Bai, Xuena Guo, Xiuping He
2-Phenylethanol (2-PE) is widely used in food, perfume and pharmaceutical industry, but lower production in microbes and less known regulatory mechanisms of 2-PE make further study necessary. In this study, crucial genes like ARO8 and ARO10 of Ehrlich pathway for 2-PE synthesis and key transcription factor ARO80 in Saccharomyces cerevisiae were re-regulated using constitutive promoter; in the meantime, the effect of nitrogen source in synthetic complete (SC) medium with L-phenylalanine (L-Phe) on Aro8/Aro9 and Aro10 was investigated...
October 21, 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27768348/nematic-quantum-critical-fluctuations-in-bafe_-2-x-ni_-x-as_-2
#11
Zhaoyu Liu, Yanhong Gu, Wei Zhang, Dongliang Gong, Wenliang Zhang, Tao Xie, Xingye Lu, Xiaoyan Ma, Xiaotian Zhang, Rui Zhang, Jun Zhu, Cong Ren, Lei Shan, Xianggang Qiu, Pengcheng Dai, Yi-Feng Yang, Huiqian Luo, Shiliang Li
We have systematically studied the nematic fluctuations in the electron-doped iron-based superconductor BaFe_{2-x}Ni_{x}As_{2} by measuring the in-plane resistance change under uniaxial pressure. While the nematic quantum critical point can be identified through the measurements along the (110) direction, as studied previously, quantum and thermal critical fluctuations cannot be distinguished due to similar Curie-Weiss-like behaviors. Here we find that a sizable pressure-dependent resistivity along the (100) direction is present in all doping levels, which is against the simple picture of an Ising-type nematic model...
October 7, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27760603/-establishment-of-a-clinical-prediction-model-of-solid-solitary-pulmonary-nodules
#12
Wei Yu, Bo Ye, Liyun Xu, Zhaoyu Wang, Hanbo Le, Shanjun Wang, Hanbo Cao, Zhenda Chai, Zhijun Chen, Qingquan Luo, Yongkui Zhang
BACKGROUND: The solitary pulmonary nodule (SPN) is a common and challenging clinical problem, especially solid SPN. The object of this study was to explore the predictive factors of SPN appearing as pure solid with malignance and to establish a clinical prediction model of solid SPNs. METHODS: We had a retrospective review of 317 solid SPNs (group A) having a final diagnosis in the department of thoracic surgery, Shanghai Chest Hospital from January 2015 to December 2015, and analyzed their clinical data and computed tomography (CT) images, including age, gender, smoking history, family history of cancer, previous cancer history, diameter of nodule, nodule location (upper lobe or non-upper lobe, left or right), clear border, smooth margin, lobulation, spiculation, vascular convergence, pleural retraction sign, air bronchogram sign, vocule sign, cavity and calcification...
October 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/27744450/combination-of-hydroxyl-acetylated-curcumin-and-ultrasound-induces-macrophage-autophagy-with-anti-apoptotic-and-anti-lipid-aggregation-effects
#13
Longbin Zheng, Ying Li, Xuesong Li, Jiayuan Kou, Zhaoyu Zhong, Yueqing Jiang, Zhongni Liu, Ye Tian, Liming Yang
BACKGROUND/AIMS: Sonodynamic therapy (SDT) is considered a new approach for the treatment of atherosclerosis. We previously confirmed that hydroxyl acetylated curcumin (HAC) was a sonosensitizer. In this study, we investigated the mechanism of THP-1 macrophage apoptosis and autophagy induced by HAC mediated SDT (HAC-SDT). METHODS: Cell viability was measured using a CCK-8 assay. Laser scanning confocal microscopy was used to measure the levels of intracellular reactive oxygen species (ROS), sub-cellular HAC localization, BAX and cytochrome C translocation, LC3 expression, monodansylcadaverine staining and Dil-labeled oxidized low density lipoprotein (Dil-ox-LDL) uptake...
October 17, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27717452/molecular-and-genetic-characterization-of-a-self-compatible-apple-cultivar-cau-1
#14
Wei Li, Qing Yang, Zhaoyu Gu, Chuanbao Wu, Dong Meng, Jie Yu, Qiuju Chen, Yang Li, Hui Yuan, Dongmei Wang, Tianzhong Li
In this study, we characterized a naturally occurring self-compatible apple cultivar, 'CAU-1' (S1S9), and studied the underlying mechanism that causes its compatibility. Analyses of both fruit set rate and seed number after self-pollination or cross-pollination with 'Fuji' (S1S9), and of pollen tube growth, demonstrated that 'CAU-1' is self-compatible. Genetic analysis by S-RNase PCR-typing of selfed progeny of 'CAU-1' revealed the presence of all progeny classes (S1S1, S1S9, and S9S9). Moreover, no evidence of S-allele duplication was found...
November 2016: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/27693825/transforaminal-endoscopic-system-technique-for-discogenic-low-back-pain-a-prospective-cohort-study
#15
Fumin Pan, Bin Shen, Surendra K Chy, Zhiyao Yong, Xiaoming Liu, Zhaoyu Ba, Zhonghan Liu, Jianguang Zhu, Desheng Wu
OBJECTIVE: To investigate the clinical outcomes of transforaminal endoscopic system(TESSYS) for discogenic low back pain(DLBP). METHODS: 62 consecutive patients with one-level DLBP applying to the including criteria underwent TESSYS from January 2010 to December 2013. These patients included 38 males and 24 females with a mean age of 42.7 ± 5.4 years (range, 18-73 yr) and a mean follow-up of 26.8 ± 4.2 months (range, 12-48 months). The visual analog scale (VAS) were used for back pain, the Oswestry Disability Index (ODI) for lumbar function, and the modified MacNab criteria for clinical global outcomes...
September 28, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27679973/nur77-exacerbates-pc12-cellular-injury-in-vitro-by-aggravating-mitochondrial-impairment-and-endoplasmic-reticulum-stress
#16
Huimin Gao, Zhaoyu Chen, Yongmei Fu, Xiaoyan Yang, Ruihui Weng, Rui Wang, Jianjun Lu, Mengqiu Pan, Kunlin Jin, Chris McElroy, Beisha Tang, Ying Xia, Qing Wang
The nuclear orphan receptor, Nur77 plays important roles in neuroimflammation, apoptosis, and dopaminergic neurodegeneration. We conducted a further mechanistic investigation into the association of Nur77 with cell death. Cytosporone B (Csn-B), an agonist for Nur77, and Nur77 knockdown were adopted in the 6-hydroxydopamine (OHDA)-lesioned PC12 cells to investigate the mechanisms underlying Nur77-mediated injury. The 6-OHDA incubation caused Nur77 translocation from the nucleus to cytosol and Endoplasm reticulum (ER) and induced co-localization of Tom20/Nur77 and Protein Disulfide Isomerase (PDI)/Nur77...
September 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27668253/enzymatic-synthesis-of-sorboyl-polydatin-prodrug-in-biomass-derived-2-methyltetrahydrofuran-and-antiradical-activity-of-the-unsaturated-acylated-derivatives
#17
Zhaoyu Wang, Yanhong Bi, Rongling Yang, Xiangjie Zhao, Ling Jiang, Chun Zhu, Yuping Zhao, Jianbo Jia
Efficient and highly regioselective synthesis of the potential 6''-O-sorboyl-polydatin prodrug in biomass-derived 2-methyltetrahydrofuran (2-MeTHF) was achieved using Candida antarctica lipase B for the first time. Under the optimal conditions, the initial reaction rate, maximum substrate conversion, and 6''-regioselectivity were as high as 8.65 mM/h, 100%, and 100%, respectively. Kinetic and operational stability investigations evidently demonstrated excellent enzyme compatibility of the 2-MeTHF compared to the traditional organic solvents...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27650555/phosphorylation-of-chop-c-ebp-homologous-protein-by-the-amp-activated-protein-kinase-alpha-1-in-macrophages-promotes-chop-degradation-and-reduces-injury-induced-neointimal-disruption-in-vivo
#18
Xiaoyan Dai, Ye Ding, Zhaoyu Liu, Wencheng Zhang, Ming-Hui Zou
RATIONALE: Elevated levels of CHOP (C/EBP homologous protein), a member of the C/EBP transcription factor family, in advanced atherosclerotic plaques is reported to be associated with atherosclerotic plaque rupture in humans. However, the molecular mechanism by which CHOP accumulation occurs is poorly defined. OBJECTIVE: The aim of this study was to investigate if (1) macrophage AMPK (AMP-activated protein kinase) regulates cellular CHOP accumulation and (2) whole-body Ampk deletion leads to neointimal disruption...
October 28, 2016: Circulation Research
https://www.readbyqxmd.com/read/27646647/combined-diffusion-tensor-imaging-and-arterial-spin-labeling-as-markers-of-early-parkinson-s-disease
#19
Xiaobo Wei, Ronghua Yan, Zhaoyu Chen, Ruihui Weng, Xu Liu, Huimin Gao, Xiaofeng Xu, Zhuang Kang, Zhexing Liu, Yan Guo, Zhenhua Liu, Jan Petter Larsen, Jin Wang, Beisha Tang, Mark Hallett, Qing Wang
This study aimed to identify a PD-specific MRI pattern using combined diffusion tensor imaging (DTI) and arterial spin labeling (ASL) to discriminate patients with early PD from healthy subjects and evaluate disease status. Twenty-one early and 22 mid-late PD patients, and 22 healthy, age/gender-matched controls underwent 3-T MRI with apparent diffusion coefficient (ADC), fractional anisotropy (FA), fiber number (FN) and cerebral blood flow (CBF) measurements. We found that compared with healthy subjects, there was a profound reduction in FN passing through the SN in PD...
September 20, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27621149/intraglandular-transplantation-of-adipose-derived-stem-cells-for-the-alleviation-of-irradiation-induced-parotid-gland-damage-in-miniature-pigs
#20
Zhifa Wang, Zhaoyu Ju, Longlong He, Zhijin Li, Yanpu Liu, Bin Liu
PURPOSE: In a previous study, the authors verified the protective efficacy of adipose-derived stem cells (ADSCs) on the prevention of salivary gland (SG) damage induced by irradiation in mice. As a critical step before implementation in clinical practice, the present study investigated the protective effect of ADSCs in a miniature pig SG model, because miniature pigs share many characteristics with humans. MATERIALS AND METHODS: Third-passage autologous ADSCs at a concentration of 4 × 10(6) cells/mL were transplanted by intraglandular injection into parotid glands (PGs) immediately after local irradiation at a single dose of 20 Gy...
August 16, 2016: Journal of Oral and Maxillofacial Surgery
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