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"Feng Zhang"

Xueliang Yang, Yunru Chen, Jian Zhang, Tiantian Tang, Ying Kong, Feng Ye, Xi Zhang, Xiaojing Liu, Shumei Lin
The present study aimed to evaluate whether thymosin α1 (Tα1) increases survival rates through the improvement of immunofunction and inhibition of hepatocyte apoptosis in rats with acute liver failure (ALF). A total of 25 rats were randomly divided into the control group (CG), the model group (MG) and the treatment group (TG). The CG received an intraperitoneal injection of saline (2 ml). The ALF rat model was established by the intraperitoneal injection of D-galactosamine (700 mg/kg) and lipopolysaccharide (10 µg/kg)...
April 2018: Experimental and Therapeutic Medicine
Zhi-Feng Sun, Tao Zhang, Jinyang Liu, Zhen-Ting Du, Huaiji Zheng
A convergent synthesis of four stereoisomers of the sex pheromone of the western corn rootworm (8-methyldecan-2-yl propionate, 1 ) from commercially available chiral starting materials is reported. The key step was Julia-Kocienski olefination between chiral BT-sulfone and chiral aldehyde. This synthetic route provided the four stereoisomers of 1 in 24-29% total yield via a six-step sequence. The simple scale-up strategy provides a new way to achieve the asymmetric synthesis of the sex pheromone.
March 15, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Rihui Wu, Adrian Jarabo, Jinli Suo, Feng Dai, Yongdong Zhang, Qionghai Dai, Diego Gutierrez
Introducing polarization into transient imaging improves depth estimation in participating media, by discriminating reflective from scattered light transport and calculating depth from the former component only. Previous works have leveraged this approach under the assumption of uniform polarization properties. However, the orientation and intensity of polarization inside scattering media is nonuniform, both in the spatial and temporal domains. As a result of this simplifying assumption, the accuracy of the estimated depth worsens significantly as the optical thickness of the medium increases...
March 15, 2018: Optics Letters
Zhang Jian-Feng, Yao Yun-Yi, Xiong Chun-Rong, Zhao Song, Feng Yun, Wang Xin-Yao, Li Wei
OBJECTIVE: To evaluate the pathogenic detection capacity of county - level organizations in Jiangsu Province, and to improve the field schistosomiasis detection capacity of professional personnel, thus to provide the technical support for the construction of quality control system of schistosomiasis field detection. METHODS: The eggs of Schistosoma japonicum were obtained from rabbit schistosomiasis models and were produced into suspensions at four different concentrations...
February 27, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Shuai Yang, Wenkai Hua, Yanqi Wu, Tao Hu, Feng Wang, Xingxian Zhang, Fengzhi Zhang
Here we report a site-selective synthesis of functionalized dibenzo[f,h]quinolines and their derivatives, which could be used as OLED materials. The key step is the double cross coupling reaction between the 2-chloropyridinyl acids and the cyclic diaryliodonium salts, where the carboxylic acid was unprecedentedly employed as both a traceless directing group and a functional handle in a one-pot atom- and step-economical process.
March 14, 2018: Chemical Communications: Chem Comm
Pei Luo, Feng Liu, Shunan Zhang, Hongfang Li, Ran Yao, Qianwen Jiang, Runlin Xiao, Jinshui Wu
A series of three-stage pilot-scale surface flow constructed wetlands (CWs) planted with Myriophyllum aquaticum were fed with three strengths of lagoon-pretreated swine wastewater to study nitrogen (N) removal and recovery under sustainable plant harvesting management. The CWs had mean removal efficiency of 87.7-97.9% for NH4 + -N and 85.4-96.1% for total N (TN). The recovered TN mass via multiple harvests of M. aquaticum was greatest (120-222 g N m-2  yr-1 ) when TN concentrations were 21.8-282 mg L-1 ...
March 6, 2018: Bioresource Technology
Hao Zhuang, Qiang Li, Xinran Zhang, Xuda Ma, Zun Wang, Yun Liu, Xianfu Yi, Ruibing Chen, Feng Han, Ning Zhang, Yongmei Li
Metabolic reprogramming is a hallmark of cancer. Glycine decarboxylase (GLDC), an oxidoreductase, plays an important role in amino acid metabolism. While GLDC promotes tumor initiation and proliferation in non-small cell lung cancer and glioma and it was reported as a putative tumor suppressor gene in gastric cancer, the role of GLDC in hepatocellular carcinoma (HCC) is unknown. In the current study, microarray-based analysis suggested that GLDC expression was low in highly malignant HCC cell lines, and clinicopathological analysis revealed a decrease in GLDC in HCC tumor samples...
March 7, 2018: Free Radical Biology & Medicine
Ming-Xiu Zhan, Ming-Feng Yu, Guangxue Zhang, Tong Chen, Xiao-Dong Li, Alfons Buekens
In order to find a catalyst to destroy polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) with high efficiency, a homemade VOx -CeOx /TiO2 catalyst was prepared, and then tested in the flue gas of a waste incinerator at temperatures of 180-240 °C. The results shows the best removal efficiency (93.4%) was attained already at 200 °C, yet degradation efficiency further raised with temperature, until 240 °C. Ozone (500 ppm) was also introduced into the system to increase the activity of catalyst, and removal efficiency of PCDD/Fs increased further to 97...
March 6, 2018: Waste Management
Yingying Hu, Jun Xu, Huadong Zhu, Guoxiu Zhang, Feng Sun, Yazhi Zhang, Xuezhong Yu
OBJECTIVE: To investigate the status of cardiopulmonary resuscitation (CPR) in patients with sudden cardiac arrest (CA) in the emergency department. METHODS: A multicenter prospective observational study was conducted. The patients with CA admitted to 13 hospitals from 6 provinces in four different regions, including North China, Southern China, East China, Southwest China, from July 1st, 2015 to July 31st, 2017 were enrolled. A modified Utstein template was applied to collect clinical data, including general data, CA related data and prognosis, and primary outcome indicator was the return of spontaneous circulation (ROSC) rate, and the secondary outcome indicator was 28-day survival rate...
March 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
Manli Zhang, Lili Ding, Xinrui Wang, Jie Hou, Man Li, Yanfang Jiang, Xiuting He, Meizi Cui, Feng Hu, Xiuna Zhang, Jingyuan Yang, Xiaohe Guo, Huiying Zhao, Pujun Gao
BACKGROUND: Despite the role of monocytes in the pathogenesis of severe acute pancreatitis (SAP), it remains unclear how different subtypes of monocytes regulate and contribute to this pathogenesis. METHODS: We examined the numbers of different subsets of monocytes by flow cytometry in 21 SAP, 15 mild acute pancreatitis (MAP) and 13 healthy controls (HC). The concentrations of plasma cytokines were assessed by cytometric bead array. Disease severity was evaluated based on the acute physiology and chronic health evaluation (APACHE) II score and plasma C-reactive proteins (CRP) levels...
March 5, 2018: International Immunopharmacology
Can Altunbulakli, Rita Costa, Feng Lan, Nan Zhang, Mubeccel Akdis, Claus Bachert, Cezmi A Akdis
Staphylococcus aureus infection increases the expression of the tight junctions (TJs) in healthy nasal tissue; while nasal polyps show decreased TJ expression at baseline and are unable to upregulate TJs to strengthen the epithelial barrier.
March 5, 2018: Journal of Allergy and Clinical Immunology
Justin N Siemian, Shushan Jia, Jian-Feng Liu, Yanan Zhang, Jun-Xu Li
Chronic pain is a significant public health problem with a lack of safe and effective analgesics. The imidazoline I2 receptor (I2 R) is a promising analgesic target, but the neuroanatomical structures involved in mediating I2 R-associated behaviors are unknown. I2 Rs are enriched in the arcuate nucleus, dorsal raphe (DR), interpeduncular nucleus, lateral mammillary body, medial habenula, nucleus accumbens (NAc), and paraventricular nucleus, thus this study investigated the antinociceptive and hypothermic effects of microinjections of the I2 R agonist 2-(2-benzofuranyl)-2-imidazoline hydrochloride (2-BFI)...
March 7, 2018: European Journal of Neuroscience
Dai Yu-Mei, Hai-Ying Liu, Yun-Feng Liu, Yuan Zhang, Wei He
The engagement of Epstein-Barr virus (EBV)-induced protein ligands in γδ T cell-mediated anti-EBV immunity especially in EBV associated B cell malignancies has not been fully elucidated. Previously we reported the overexpression of human MutS homologue 2(hMSH2), a stress inducible protein ligand for human γδ T cells, on EBV-transformed B lymphoblastic cell lines (B-LCLs). In this study, we first generated EBV-transformed B-LCLs from peripheral blood mononuclear cells (PBMCs) of healthy volunteers with B95-8 cellular supernatant and cyclosporine A...
March 7, 2018: Immunology
Jin-Ling Yang, Zong-Feng Hu, Ting-Ting Zhang, An-Di Gu, Ting Gong, Ping Zhu
As the main bioactive constituents of Panax species, ginsenosides possess a wide range of notable medicinal effects such as anti-cancer, anti-oxidative, antiaging, anti-inflammatory, anti-apoptotic and neuroprotective activities. However, the increasing medical demand for ginsenosides cannot be met due to the limited resource of Panax species and the low contents of ginsenosides. In recent years, biotechnological approaches have been utilized to increase the production of ginsenosides by regulating the key enzymes of ginsenoside biosynthesis, while synthetic biology strategies have been adopted to produce ginsenosides by introducing these genes into yeast...
March 6, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Xiaoqing Wang, Yang Liu, Rongde Wu, Feng Guo, Lijuan Zhang, Mingyu Cui, Xiangyu Wu, Yongfei Zhang, Wei Liu
Background: Malignant melanoma (MM) is a malignant tumor produced by changes in melanocytes in the skin or other organs. In the classification of skin tumor mortality, skin melanoma ranks the highest. Ubenimex, an Aminopeptidase N (APN) inhibitor, is now widely used for cancer as an adjunct therapy, conferring antitumor effects. Apoptosis and the induction of autophagy have both been found to be closely associated with tumor cell death. Methods: In this study, the A375 and A2058 cell lines were treated with ubenimex...
2018: OncoTargets and Therapy
Feng Luan, Shuang Zhang, Dandan Chen, Kun Zheng, Xuming Zhuang
Cobalt disulfide-decorated ionic liquid-functionalized graphene nanocomposites were prepared herein and characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and X-ray photoelectron spectroscopy (XPS). The as-prepared nanocomposites were subsequently used to build a modified glassy carbon electrode serving as a hydrazine (N2 H4 ) electrochemical sensor. The electrocatalytic performance of the prepared sensor towards the N2 H4 oxidation reaction was evaluated by cyclic voltammetry (CV) and amperometric methods...
May 15, 2018: Talanta
Minxuan Xu, Junjie Qi, Feng Li, Yue Zhang
Strain sensors with high sensitivity, broad sensing ranges and excellent durable stability are highly desirable due to their promising potential in electronic skins and human-friendly wearable interactive systems. Herein, we report a high-performance strain sensor based on rGO (reduced graphene oxide)/DI (deionized water) sensing elements. The strain sensors were fabricated by using Ecoflex rubber filled with rGO/DI conductive liquids via template methods, making the process simple, low-cost and scalable. The as-assembled strain sensors can be used to reflect both stretching and compressing with high sensitivity (a maximum gauge factor of 31...
March 2, 2018: Nanoscale
Zhonglin Xiao, Songjun Li, Yan Yu, Mengxia Li, Jie Chen, Feng Wang, Jian Zhang, Weifen Deng, Qing Yang, Xiujun Fan
Studies have shown that sFlt-1 overproduction stimulated by excess VEGF of deciduous origin in trophoblasts can cause preeclampsia. However, the mechanism underlying how VEGF regulates sFtl-1 expression in trophoblasts remains unknown. To address this issue, JEG3 and HTR-8/SV neo (HTR8) trophoblast cell lines were used to investigate the signaling pathways involved in the regulation of sFlt-1 production via VEGF overexpression in vitro. JEG3 (VEGF-GFP-JEG3, V-J) and HTR8 (VEGF-GFP-HTR8, V-H) cells overexpressing VEGF165 were established by infecting the JEG3 and HTR8 cell lines with lentivirus expressing VEGF165...
March 1, 2018: Molecular and Cellular Biochemistry
Chun-Hua Zhou, Meng Xu, Hai-Bing Yu, Xiao-Ting Zheng, Zhang-Feng Zhong, Lan-Tong Zhang
Nowadays, the Herb-drug combination is becoming increasingly popular in China. However, the possible interaction induced by their combination was examined rarely. The aim of this study was to investigate the effect of multi-dose administration of Danshen capsules on clopidogrel pharmacokinetics and pharmacodynamics in healthy volunteers. A sequential, open-label, and two-period pharmacokinetic drug interaction study was designed to compare clopidogrel pharmacokinetic parameters before and after 7 days of administration of Danshen capsules in twenty healthy male volunteers...
February 26, 2018: Food and Chemical Toxicology
Hai-Feng Zhang, Xing Zhang, Feng Gao
Insulin resistance is "common soil" of many major cardiovascular diseases, such as diabetes, coronary heart disease, hypertension and heart failure. Recent studies have revealed that, in addition to metabolic modulation, insulin exerts direct cardiovascular protective effects. This article reviews the current progresses in the pathogenesis and cardiovascular protection strategies of metabolic cardiovascular diseases, and highlights the mechanism of actions of insulin in cardiovascular protection.
February 25, 2018: Sheng Li Xue Bao: [Acta Physiologica Sinica]
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