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https://www.readbyqxmd.com/read/28325756/a-novel-role-for-myeloid-cell-specific-neuropilin-1-in-mitigating-sepsis
#1
Xiaoyan Dai, Imoh Okon, Zhaoyu Liu, Yue Wu, Huaiping Zhu, Ping Song, Ming-Hui Zou
Sepsis-typically caused by an uncontrolled and amplified host systemic inflammatory response to microbial infection-is a life-threatening complex clinical disorder and remains a major cause of infection-related deaths in the intensive care unit. Emerging evidence suggests that neuropilin 1 (Nrp1), an originally defined coreceptor for class 3 semaphorins and VEGF, plays important roles in the immune system; however, the function and regulation of macrophage Nrp1 in host immune defense against bacterial infection remain unknown...
March 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28323958/jmjd3-is-crucial-for-female-avpv-rip-cre-neuron-controlled-kisspeptin-estrogen-feedback-loop-and-reproductive-function
#2
Anying Song, Shujun Jiang, Qinghua Wang, Jianghuan Zou, Zhaoyu Lin, Xiang Gao
The hypothalamic-pituitary-gonadal axis controls development, reproduction, and metabolism. While most studies were focusing on the hierarch from brain to gonad, many questions remain unresolved concerning the feedback from gonad to the central nervous system, especially on the potential epigenetic modification in hypothalamic neurons. In this report, we generated genetically modified mice lacking histone H3 lysine 27 demethylase JMJD3 in hypothalamic RIP-Cre neurons. The female mutant mice display late-onset obesity due to reduced locomotor activity and decreased energy expenditure...
March 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/28321994/detection-and-imaging-of-chrome-yellow-lead-chromate-in-latent-prints-solid-residues-and-minerals-by-laser-desorption-ionization-mass-spectrometry-ldi-ms
#3
Zhaoyu Zheng, Julius Pavlov, Athula B Attygalle
In the past, Chrome Yellow (lead chromate, PbCrO4 ), a bright orange-red substance, has been widely used as an inorganic pigment in the production of paints, coatings, and plastics. Herein, we demonstrate that laser desorption/ionization mass spectrometry (LDI-MS) is a powerful tool for the detection of lead chromate in solid residues. In fact, lead chromate in trace amounts is easily detectable by LDI-MS even from residues left as latent prints. For example, a latent print obtained by stamping the exposed laterally cut surface of a pencil over 50 years old on an acetonitrile-moistened paper, was successfully imaged for both lead and chromate using a Synapt G2 HDMS mass spectrometer...
March 21, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28315747/multivariate-analysis-of-airway-obstruction-and-reintubation-after-anterior-cervical-surgery
#4
REVIEW
Haoxi Li, Yufeng Huang, Bin Shen, Zhaoyu Ba, Desheng Wu
STUDY DESIGN: A retrospective study PURPOSE: To explore the risk factors for reintubation after airway obstruction following anterior cervical surgery. STUDY BACKGROUND: Anterior cervical surgery is an effective surgical therapy for cervical spine disorders. As the anterior approach is adopted more frequently, some rare postoperative complications come under the spotlight, among which, airway obstruction is extremely detrimental. However, the risk factors and the pathogenesis of the airway obstruction still remain unknown...
March 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28278052/astrocytes-induce-proliferation-of-oligodendrocyte-progenitor-cells-via-connexin-47-mediated-activation-of-the-erk-id4-pathway
#5
Zhaoyu Liu, Dan Xu, Shang Wang, Yi Chen, Zhen Li, Xiaoyan Gao, Lu Jiang, Yong Tang, Yan Peng
The proliferative ability of oligodendrocyte progenitor cells (OPCs) varied markedly under different culture conditions. Astrocytes (ASTs) have been verified to play a major role in regulating the proliferation of OPCs through direct contact. However, the mechanisms have not been fully clarified. To investigate the effect and mechanism under AST and OPC co-culture conditions, we analyzed all connexins comprehensively in OPCs under OPC mono-culture, AST-secreted cell factor co-culture and AST-OPC direct-contact co-culture, and found that significantly differentially expressed Cx47 was the most significant...
February 22, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28252286/phosphine-free-synthesis-of-metal-chalcogenide-quantum-dots-by-directly-dissolving-chalcogen-dioxides-in-alkylthiol-as-the-precursor
#6
Dong Yao, Wei Xin, Zhaoyu Liu, Ze Wang, Jianyou Feng, Chunwei Dong, Yi Liu, Bai Yang, Hao Zhang
Semiconductor quantum dots (QDs) are competitive emitting materials in developing new-generation light-emitting diodes (LEDs) with high color rendering and broad color gamut. However, the use of highly toxic alkylphosphines cannot be fully avoided in the synthesis of metal selenide and telluride QDs because they are requisite reducing agents and solvents for preparing chalcogen precursors. In this work, we demonstrate the phosphine-free preparation of selenium (Se) and tellurium (Te) precursors by directly dissolving chalcogen dioxides in the alkylthiol under the mild condition...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28240182/integration-of-novel-materials-and-advanced-omics-technologies-into-new-vaccine-design
#7
Wenzhen Liao, Tian-Tian Zhang, Liqian Gao, Su Seong Lee, Jie Xu, Han Zhang, Zhaogang Yang, Zhaoyu Liu, Wen Li
Designing new vaccines is one of the most challenging tasks for public health to prevent both infectious and chronic diseases. Even though many research scientists have spent great efforts in improving the specificity, sensitivity and safety of current available vaccines, there are still much space on how to effectively combine different biomaterials and technologies to design universal or personalized vaccines. Traditionally, vaccines were made based on empirical approaches designed to mimic immunity induced by natural infection...
February 24, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28230281/resveratrol-enhances-self-renewal-of-mouse-embryonic-stem-cells
#8
Na Li, Zhaoyu Du, Qiaoyan Shen, Qijing Lei, Ying Zhang, Mengfei Zhang, Jinlian Hua
Resveratrol (RSV) has been shown to affect the differentiation of several types of stem cells, while the detailed mechanism is elusive. Here, we aim to investigate the function of RSV in self-renewal of mouse embryonic stem cells (ESCs) and the related mechanisms. In contrast with its reported roles, we found unexpectedly that differentiated ESCs or iPSCs treated by RSV would not show further differentiation, but regained a naïve pluripotency state with higher expressions of core transcriptional factors and with the ability to differentiate into all three germ layers when transplanted in vivo...
February 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28223934/plasma-cystatin-c-and-high-density-lipoprotein-are-important-biomarkers-of-alzheimer-s-disease-and-vascular-dementia-a-cross-sectional-study
#9
Rui Wang, Zhaoyu Chen, Yongmei Fu, Xiaobo Wei, Jinchi Liao, Xu Liu, Bingjun He, Yunqi Xu, Jing Zou, Xiaoyan Yang, Ruihui Weng, Sheng Tan, Christopher McElroy, Kunlin Jin, Qing Wang
Objectives: Cystatin C (Cys C) and high-density lipoprotein (HDL) play critical roles in neurodegenerative diseases, such as dementia, Alzheimer's disease (AD) and vascular dementia (VaD). However, whether they can be used as reliable biomarkers to distinguish patients with dementia from healthy subjects and to determine disease severity remain largely unknown. Methods: We conducted a cross-sectional study to determine plasma Cys C and HDL levels of 88 patients with dementia (43 AD patients, 45 VaD patients) and 45 healthy age-matched controls...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28204824/dna-methylation-mediated-caspase-8-downregulation-is-associated-with-anti-apoptotic-activity-and-human-malignant-glioma-grade
#10
Yueqiu Teng, Yu-Cui Dong, Zhaoyu Liu, Yan Zou, Hui Xie, Yu Zhao, Jun Su, Fenglin Cao, Hua Jin, Huan Ren
The methylation-mediated silencing of tumor suppressors, including key apoptosis-related genes plays an important role in the pathogenesis and therapeutic resistance in human cancer. In this study, we aimed to elucidate the role and mechanisms of resistance to apoptosis with caspase-8 gene downregulation in human malignant glioma. Reverse transcription-polymerase chain reaction (RT-PCR) and methylation-specific PCR (MSP) were used to examine caspase-8 expressoin at the mRNA level and gene methylation status in normal brain tissue, glioma tissue and cancer cell lines...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28193032/transcription-factor-response-elements-on-tip-a-sensitive-approach-for-large-scale-endogenous-transcription-factor-quantitative-identification
#11
Wenhao Shi, Kai Li, Lei Song, Mingwei Liu, Yunzhi Wang, Wanlin Liu, Xia Xia, Zhaoyu Qin, Bei Zhen, Yi Wang, Fuchu He, Jun Qin, Chen Ding
The ability to map endogenous transcription factors (TFs) DNA binding activity at the proteome scale will greatly enhance our understanding of various biological processes. Here we report a highly sensitive, rapid, and high-throughput approach, transcription factor response elements on tip-mass spectrometry (TOT-MS), that allows for quantitative measurement of endogenous TFs. A total of 150 TFs from 1 μg of nuclear extracts can be quantified with single shot mass spectrometry detection in 1 h of machine time...
December 20, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/28191279/ros-dependent-activation-of-autophagy-through-the-pi3k-akt-mtor-pathway-is-induced-by-hydroxysafflor-yellow-a-sonodynamic-therapy-in-thp-1-macrophages
#12
Yueqing Jiang, Jiayuan Kou, Xiaobo Han, Xuesong Li, Zhaoyu Zhong, Zhongni Liu, Yinghong Zheng, Ye Tian, Liming Yang
Monocyte-derived macrophages participate in infaust inflammatory responses by secreting various types of proinflammatory factors, resulting in further inflammatory reactions in atherosclerotic plaques. Autophagy plays an important role in inhibiting inflammation; thus, increasing autophagy may be a therapeutic strategy for atherosclerosis. In the present study, hydroxysafflor yellow A-mediated sonodynamic therapy was used to induce autophagy and inhibit inflammation in THP-1 macrophages. Following hydroxysafflor yellow A-mediated sonodynamic therapy, autophagy was induced as shown by the conversion of LC3-II/LC3-I, increased expression of beclin 1, degradation of p62, and the formation of autophagic vacuoles...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28187463/preoperative-albumin-to-globulin-ratio-predicts-survival-in-clear-cell-renal-cell-carcinoma-patients
#13
Zhen Chen, Yingjie Shao, Hongwei Yao, Qianfeng Zhuang, Kun Wang, Zhaoyu Xing, Xianlin Xu, Xiaozhou He, Renfang Xu
In this retrospective analysis, we evaluated associations between albumin to globulin ratio (AGR), clinicopathological characteristics, and survival in 592 patients with localized or locally advanced clear cell renal cell carcinoma (CCRCC) prior to nephrectomy. We found that low AGR was associated with more aggressive tumor behavior; patients with low AGR had poorer overall survival (OS) and cancer-specific survival (CSS) in Kaplan-Meier survival analyses both before and after propensity score matching, which was used to compensate for differences in baseline clinicopathological characteristics...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28165487/insight-into-the-role-of-surface-wettability-in-electrocatalytic-hydrogen-evolution-reactions-using-light-sensitive-nanotubular-tio2-supported-pt-electrodes
#14
Chenhui Meng, Bing Wang, Ziyue Gao, Zhaoyue Liu, Qianqian Zhang, Jin Zhai
Surface wettability is of importance for electrochemical reactions. Herein, its role in electrochemical hydrogen evolution reactions is investigated using light-sensitive nanotubular TiO2 supported Pt as hydrogen evolution electrodes (HEEs). The HEEs are fabricated by photocatalytic deposition of Pt particles on TiO2 nanotubes followed by hydrophobization with vaporized octadecyltrimethoxysilane (OTS) molecules. The surface wettability of HEEs is subsequently regulated in situ from hydrophobicity to hydrophilicity by photocatalytic decomposition of OTS molecules using ultraviolet light...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28161319/biophysical-and-neural-basis-of-resting-state-functional-connectivity-evidence-from-non-human-primates
#15
REVIEW
Li Min Chen, Pai-Feng Yang, Feng Wang, Arabinda Mishra, Zhaoyue Shi, Ruiqi Wu, Tung-Lin Wu, George H Wilson, Zhaohua Ding, John C Gore
Functional MRI (fMRI) has evolved from simple observations of regional changes in MRI signals caused by cortical activity induced by a task or stimulus, to task-free acquisitions of images in a resting state. Such resting state signals contain low frequency fluctuations which may be correlated between voxels, and strongly correlated regions are deemed to reflect functional connectivity within synchronized circuits. Resting state functional connectivity (rsFC) measures have been widely adopted by the neuroscience community, and are being used and interpreted as indicators of intrinsic neural circuits and their functional states in a broad range of applications, both basic and clinical...
February 2, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28121417/adhesion-of-microdroplets-on-water-repellent-surfaces-toward-the-prevention-of-surface-fouling-and-pathogen-spreading-by-respiratory-droplets
#16
Jieke Jiang, Hengdi Zhang, Wenqing He, Tianzhong Li, Hualin Li, Peng Liu, Meijin Liu, Zhaoyue Wang, Zuankai Wang, Xi Yao
Biofouling caused by the adhesion of respiratory microdroplets generated in sneezing and coughing plays an important role in the spread of many infectious diseases. Although water-repellent surfaces are widely used for the long-term repellency of aqueous solutions, their repellency to pathogen-containing microdroplets is elusive. In this work, microdroplets from picoliter to nanoliter were successfully generated in a controlled manner to mimic the exhaled microdroplets in sneezing and coughing, which allowed us to evaluate the adhesion of microdroplets on both superhydrophobic and lubricant-infused "slippery" surfaces for the first time...
February 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28110025/do-the-complications-increased-in-the-anterolateral-right-side-approach-to-treat-the-cervical-degenerative-disorders-a-retrospective-cohort-study
#17
Zhaoyu Ba, Fumin Pan, Xiaoming Liu, Jianguang Zhu, Desheng Wu
The dysphagia and recurrent laryngeal nerve (RLN) palsy are the most common complications of the patients who underwent anterior cervical surgery in the current literature. These morbidities have led to the study of the impact of sidedness in anterior cervical spine surgery. However, many reports documented the left-side was more effective and safe than right-side based on the anatomy. So the right-side approach is more challenging. We retrospectively study 503 patients with cervical degenerative diseases who underwent cervical spinal surgery using anterolateral right-side approach in our spine center from September 1999 to December 2012 and evaluate the efficient and safety of the anterolateral right-side approach to treat the cervical degenerative diseases...
January 18, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28102849/berberine-sonodynamic-therapy-induces-autophagy-and-lipid-unloading-in-macrophage
#18
Jiayuan Y Kou, Ying Li, Zhaoyu Y Zhong, Yueqing Q Jiang, Xuesong S Li, Xiaobo B Han, Zhongni N Liu, Ye Tian, Liming M Yang
Impaired autophagy in macrophages accompanies the progression of atherosclerosis and contributes to lipid loading in plaques and ineffective lipid degradation. Therefore, evoking autophagy and its associated cholesterol efflux may provide a therapeutic treatment for atherosclerosis. In the present study, berberine-mediated sonodynamic therapy (BBR-SDT) was used to induce autophagy and cholesterol efflux in THP-1 macrophages and derived foam cells. Following BBR-SDT, autophagy was increased in the macrophages, autophagy resistance in the foam cells was prevented, and cholesterol efflux was induced...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28098966/surface-optical-rectification-from-layered-mos2-crystal-by-thz-time-domain-surface-emission-spectroscopy
#19
Yuanyuan Huang, Lipeng Zhu, Qiyi Zhao, Yaohui Guo, Zhaoyu Ren, Jintao Bai, Xinlong Xu
Surface optical rectification was observed from the layered semiconductor molybdenum disulfide (MoS2) crystal via terahertz (THz) time-domain surface emission spectroscopy under linearly polarized femtosecond laser excitation. The radiated THz amplitude of MoS2 has a linear dependence on ever-increasing pump fluence and thus quadratic with the pump electric field, which discriminates from the surface Dember field induced THz radiation in InAs and the transient photocurrent-induced THz generation in graphite...
January 30, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28092595/command-filter-based-adaptive-neural-tracking-controller-design-for-uncertain-switched-nonlinear-output-constrained-systems
#20
Ben Niu, Yanjun Liu, Guangdeng Zong, Zhaoyu Han, Jun Fu
In this paper, a new adaptive approximation-based tracking controller design approach is developed for a class of uncertain nonlinear switched lower-triangular systems with an output constraint using neural networks (NNs). By introducing a novel barrier Lyapunov function (BLF), the constrained switched system is first transformed into a new system without any constraint, which means the control objectives of the both systems are equivalent. Then command filter technique is applied to solve the so-called "explosion of complexity" problem in traditional backstepping procedure, and radial basis function NNs are directly employed to model the unknown nonlinear functions...
January 16, 2017: IEEE Transactions on Cybernetics
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