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https://www.readbyqxmd.com/read/28239393/thermo-sensitive-polymer-nanospheres-as-a-smart-plugging-agent-for-shale-gas-drilling-operations
#1
Wei-Ji Wang, Zheng-Song Qiu, Han-Yi Zhong, Wei-An Huang, Wen-Hao Dai
Emulsifier-free poly(methyl methacrylate-styrene) [P(MMA-St)] nanospheres with an average particle size of 100 nm were synthesized in an isopropyl alcohol-water medium by a solvothermal method. Then, through radical graft copolymerization of thermo-sensitive monomer N-isopropylacrylamide (NIPAm) and hydrophilic monomer acrylic acid (AA) onto the surface of P(MMA-St) nanospheres at 80 °C, a series of thermo-sensitive polymer nanospheres, named SD-SEAL with different lower critical solution temperatures (LCST), were prepared by adjusting the mole ratio of NIPAm to AA...
2017: Pet Sci
https://www.readbyqxmd.com/read/28236405/formulation-of-dried-lignans-nanosuspension-with-high-redispersibility-to-enhance-stability-dissolution-and-oral-bioavailability
#2
Gang Shen, Ling Cheng, Li-Qiang Wang, Li-Hong Zhang, Bao-De Shen, Wei-Bo Liao, Juan-Juan Li, Juan Zheng, Rong Xu, Hai-Long Yuan
Herpetospermum caudigerum lignans (HTL), one of the potential drugs with anti-hepatitis B virus and hepatoprotective effects, has limited clinical applications because of poor aqueous solubility and low bioavailability. Both herpetrione (HPE) and herpetin (HPN) are the most abundant ingredients in HTL and exhibit weak acidity. The purpose of the present study was to produce dried preparations of HTL (composed of HPE and HPN) nanosuspensions (HTL-NS) with high redispersibility using lyophilization technology...
October 2016: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28235726/adjuvant-chemotherapy-in-patients-with-locoregionally-advanced-nasopharyngeal-carcinoma-long-term-results-of-a-phase-3-multicentre-randomised-controlled-trial
#3
Lei Chen, Chao-Su Hu, Xiao-Zhong Chen, Guo-Qing Hu, Zhi-Bin Cheng, Yan Sun, Wei-Xiong Li, Yuan-Yuan Chen, Fang-Yun Xie, Shao-Bo Liang, Yong Chen, Ting-Ting Xu, Bin Li, Guo-Xian Long, Si-Yang Wang, Bao-Min Zheng, Ying Guo, Ying Sun, Yan-Ping Mao, Ling-Long Tang, Yu-Ming Chen, Meng-Zhong Liu, Jun Ma
AIM OF THE STUDY: Previous results from our trial showed that adjuvant cisplatin and fluorouracil chemotherapy did not significantly improve survival after concurrent chemoradiotherapy (CCRT) in locoregionally advanced nasopharyngeal carcinoma (NPC) at 2 years. Here, we present the data of long-term survival and late toxicities to further assess the ultimate therapeutic index of adjuvant chemotherapy (AC). METHODS: Patients with stage III-IVB (except T3-4N0) NPC were randomly assigned to receive CCRT plus AC or CCRT only at seven institutions in China...
February 21, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28235704/synthesis-biological-evaluation-and-molecular-docking-study-of-n-2-methoxyphenyl-6-4-nitrophenyl-sulfonyl-benzamide-derivatives-as-potent-hiv-1-vif-antagonists
#4
Meng Zhou, Rong-Hua Luo, Xue-Yan Hou, Rui-Rui Wang, Guo-Yi Yan, Huan Chen, Rong-Hong Zhang, Jian-You Shi, Yong-Tang Zheng, Rui Li, Yu-Quan Wei
Viral infectivity factor (Vif) is protective against APOBEC3G (A3G)-mediated viral cDNA hypermutations, and development of molecules that inhibit Vif mediated A3G degradation is a novel strategy for blocking HIV-1 replication. Through optimizations of the central ring of N-(2-methoxyphenyl)-2-((4-nitrophenyl)thio)benzamide (RN-18), we found a potent compound 12c with EC50 value of 1.54 μM, enhancing the antiviral activity more than 150-fold compared with RN-18 in nonpermissive H9 cells. 12c protected A3G from degradation by inhibiting Vif function...
January 12, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28230926/association-between-high-expression-of-phosphorylated-akt-and-mammalian-target-of-rapamycin-and-improved-survival-in-salivary-gland-adenoid-cystic-carcinoma
#5
Dai-Qiao Ouyang, Li-Zhong Liang, Zun-Fu Ke, Guang-Sen Zheng, De-Sheng Weng, Wei-Fa Yang, Yu-Xiong Su, Gui-Qing Liao
BACKGROUND: Previous genomic studies revealed phosphotidylinositol-3-kinase (PI3K)/Akt pathway mutation in human salivary gland adenoid cystic carcinoma (ACC). No validation of its prognostic value has been reported. METHODS: P-Akt, pan-Akt, phosphorylated-mammalian target of rapamycin (p-mTOR), PI3K, and insulin-like growth factor-1 receptor beta (IGF-1Rβ) were detected on 120 salivary gland ACC/adjacent salivary gland pairs immunohistochemically and were correlated with clinicopathological data...
February 23, 2017: Head & Neck
https://www.readbyqxmd.com/read/28230355/thermophoretic-tweezers-for-low-power-and-versatile-manipulation-of-biological-cells
#6
Linhan Lin, Xiaolei Peng, Xiaoling Wei, Zhangming Mao, Chong Xie, Yuebing Zheng
Optical manipulation of biological cells and nanoparticles is significantly important in life sciences, early disease diagnosis, and nanomanufacturing. However, low-power and versatile all-optical manipulation has remained elusive. Herein, we have achieved light-directed versatile thermophoretic manipulation of biological cells at an optical power 100-1000 times lower than that of optical tweezers. By harnessing the permittivity gradient in the electric double layer of the charged surface of the cell membrane, we succeed at the low-power trapping of suspended biological cells within a light-controlled temperature gradient field...
February 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28230199/activation-of-angiotensin-ii-type-1-receptors-increases-d4-dopamine-receptor-expression-in-rat-renal-proximal-tubule-cells
#7
Luxun Tang, Shuo Zheng, Hongmei Ren, Duofen He, Chunyu Zeng, Wei Eric Wang
Both the dopaminergic and renin-angiotensin systems play important roles in the regulation of blood pressure. Our previous study showed that the stimulation of dopaminergic D4 receptors reduced angiotensin II type 1 (AT1) receptor expression in renal proximal tubule (RPT) cells. In this study, we tested whether AT1 receptors, in return, would regulate D4 receptor expression and function in RPT cells. Expression of the D4 receptor from Wistar-Kyoto (WKY) or spontaneously hypertensive rats (SHRs) RPT cells and renal cortex tissues were determined by western blot, and Na(+)-K(+) ATPase activity was determined using an enzyme assay...
February 23, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28230105/interface-confined-hydrogen-evolution-reaction-in-zero-valent-metal-nanoparticles-intercalated-molybdenum-disulfide
#8
Zhongxin Chen, Kai Leng, Xiaoxu Zhao, Souradip Malkhandi, Wei Tang, Bingbing Tian, Lei Dong, Lirong Zheng, Ming Lin, Boon Siang Yeo, Kian Ping Loh
Interface confined reactions, which can modulate the bonding of reactants with catalytic centres and influence the rate of the mass transport from bulk solution, have emerged as a viable strategy for achieving highly stable and selective catalysis. Here we demonstrate that 1T'-enriched lithiated molybdenum disulfide is a highly powerful reducing agent, which can be exploited for the in-situ reduction of metal ions within the inner planes of lithiated molybdenum disulfide to form a zero valent metal-intercalated molybdenum disulfide...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28229988/endometrial-microrna-signature-during-the-window-of-implantation-changed-in-patients-with-repeated-implantation-failure
#9
Cheng Shi, Huan Shen, Li-Juan Fan, Jing Guan, Xin-Bang Zheng, Xi Chen, Rong Liang, Xiao-Wei Zhang, Qing-Hua Cui, Kun-Kun Sun, Zhu-Ran Zhao, Hong-Jing Han
BACKGROUND: At present, a diagnostic tool with high specificity for impaired endometrial receptivity, which may lead to implantation failure, remains to be developed. We aimed to assess the different endometrial microRNA (miRNA) signatures for impaired endometrial receptivity by microarray analysis. METHODS: A total of 12 repeated implantation failure (RIF) patients and 10 infertile patients, who conceived and delivered after one embryo transfer attempt, were recruited as RIF and control groups, respectively...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28229328/physical-exercise-vegetable-and-fruit-intake-and-health-related-quality-of-life-in-chinese-breast-cancer-survivors-a-cross-sectional-study
#10
Xiao-Huan Gong, Ji-Wei Wang, Jiang Li, Xue-Fen Chen, Li Sun, Zheng-Ping Yuan, Jin-Ming Yu
INTRODUCTION: Breast cancer has long-term effects on health-related quality of life (HRQOL) of cancer survivors after treatment. Few research studies have focused on the association between health behaviors and HRQOL of Chinese breast cancer survivors (BCS). The aim of this study was to examine the separate and combined influence of physical exercise, vegetable and fruit intake on health-related quality of life of BCS. METHODS: A cross-sectional study was conducted among BCS from April to July 2013, in Shanghai, China...
February 22, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28228664/taxonomy-of-macromotettixoides-with-the-description-of-a-new-species-tetrigidae-metrodorinae
#11
Ling-Sheng Zha, Feng-Ming Yu, Saranyaphat Boonmee, Prapassorn D Eungwanichayapant, Ting-Chi Wen
Descriptions of the flying organs and generic characteristics of the genus Macromotettixoides Zheng, Wei & Jiang are currently imprecise. Macromotettixoides is reviewed and compared with allied genera. A re-description is undertaken and a determination key is provided to Macromotettixoides. Macromotettixoides parvula Zha & Wen, sp. n. from the Guizhou Karst Region, China, is described and illustrated with photographs. Observations on the ecology and habits of the new species are recorded. Four current species of Hyboella Hancock are transferred to Macromotettixoides...
2017: ZooKeys
https://www.readbyqxmd.com/read/28226359/-analysis-of-risk-factors-and-prognosis-of-no-8p-lymph-node-metastasis-in-cases-with-advanced-gastric-cancer
#12
Luchuan Chen, Shenhong Wei, Zaisheng Ye, Yi Zeng, Qiuhong Zheng, Jun Xiao, Yi Wang, Changhua Zhuo, Zhenmeng Lin, Yangming Li
OBJECTIVE: To explore the risk factors and prognosis of No.8p lymph node metastasis in cases with advanced gastric cancer. METHODS: Clinicopathological and follow-up data of 790 cases with advanced gastric cancer undergoing gastrectomy (including No.8p lymphadenectomy) from October 2003 to October 2013 in Fujian Provincial Tumor Hospital were analyzed retrospectively. Patients receiving neoadjuvant chemotherapy were excluded. Associations of No.8p lymph node metastasis with clinicopathological characteristics and metastasis in other regional lymph node were analyzed...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28225602/exploring-the-detection-of-metal-ions-by-tailoring-the-coordination-mode-of-v-shaped-thienylpyridyl-ligand-in-three-mofs
#13
Li-Juan Han, Wei Yan, Shu-Guang Chen, Zhen-Zhen Shi, He-Gen Zheng
By employing a rational design approach, we synthesized three luminescent metal-organic frameworks (MOFs) 1-3 affording different coordination modes of V-shaped thienylpyridyl ligand. Their application in detecting metal ions was explored, and the mechanism was inferred. And the result exhibits that MOF 3 is a dual-responsive luminescent probe for Fe(3+) and Al(3+) ions.
February 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28225215/enantioseparation-characteristics-of-the-chiral-stationary-phases-based-on-natural-and-regenerated-chitins
#14
Xiao-Meng Mei, Wei Chen, Zheng-Wu Bai
Natural and regenerated chitins were derivatized with 3,5-dimethyphenyl isocyanate. The corresponding chiral stationary phases were prepared by coating the resulting chitin derivatives on 3-aminopropyl silica gel. The swelling capacity of the chitin derivatives, enantioseparation capability as well as eluents tolerance of the chiral stationary phases were evaluated. The results demonstrated there was no remarkable difference in enantioseparation capability between natural and regenerated chitins based chiral stationary phases...
February 22, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28224223/agarwood-formation-induced-by-fermentation-liquid-of-lasiodiplodia-theobromae-the-dominating-fungus-in-wounded-wood-of-aquilaria-sinensis
#15
Xuyu Chen, Chun Sui, Yangyang Liu, Yun Yang, Peiwei Liu, Zheng Zhang, Jianhe Wei
Agarwood is broadly used in incense and medicine. Traditionally, agarwood formation is induced by wounding the trunks and branches of some species of Aquilaria spp., including A. sinensis. As recently evidenced, some fungi or their fermentation liquid may have the potential of inducing agarwood formation. The present study aimed to analyze the fungi isolated from an agarwood-producing A. sinensis tree and subsequently identify the fungi capable of promoting agarwood formation. We identified a total of 110 fungi isolates based on their morphological characteristics and rDNA ITS sequences...
February 21, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28223477/znf307-zinc-finger-protein-307-acts-as-a-negative-regulator-of-pressure-overload-induced-cardiac-hypertrophy
#16
Chang-Jiang Yu, Chen Liang, Yu-Xia Li, Qing-Qing Hu, Wei-Wan Zheng, Na Niu, Xu Yang, Zi-Rui Wang, Xiao-Di Yu, Bao-Long Zhang, Bin-Lin Song, Zhi-Ren Zhang
Pathological cardiac hypertrophy is a key risk factor for heart failure. We found that the protein expression levels of the ZNF307 (zinc finger protein 307) were significantly increased in heart samples from both human patients with dilated cardiomyopathy and mice subjected to aortic banding. Therefore, we aimed to elucidate the role of ZNF307 in the development of cardiac hypertrophy and to explore the signal transduction events that mediate the effect of ZNF307 on cardiac hypertrophy, using cardiac-specific ZNF307 transgenic (ZNF307-TG) mice and ZNF307 global knockout (ZNF307-KO) mice...
February 21, 2017: Hypertension
https://www.readbyqxmd.com/read/28223111/expression-analysis-of-nine-toll-like-receptors-in-yellow-catfish-pelteobagrus-fulvidraco-responding-to-aeromonas-hydrophila-challenge
#17
Xiao-Ting Zhang, Gui-Rong Zhang, Ze-Chao Shi, Yu-Jie Yuan, Huan Zheng, Li Lin, Kai-Jian Wei, Wei Ji
Toll-like receptors (TLRs) are important components of pattern recognition receptors (PRRs), which play significant roles in innate immunity to defense against pathogen invasion. Many TLRs have been found in teleosts, but there are no reports about cloning and expression of TLR genes in yellow catfish (Pelteobagrus fulvidraco). In this study, we analyzed the sequence characters and the relative mRNA expression levels of nine TLRs (TLR1, TLR2, TLR3, TLR4-1, TLR5, TLR7, TLR8-2, TLR9 and TLR22) in different tissues of yellow catfish...
February 18, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28222434/a-feedback-loop-between-mir-30a-c-5p-and-dnmt1-mediates-cisplatin-resistance-in-ovarian-cancer-cells
#18
Xi Han, Shuai Zhen, Zhongxue Ye, Jiaojiao Lu, Lijie Wang, Pan Li, Jie Li, Xia Zheng, Huijin Li, Wei Chen, Le Zhao, Xu Li
BACKGROUND: Many microRNAs (miRs) are dysregulated in cancers, and aberrant miR expression patterns have been suggested to correlate with chemo-resistance of cancer cells. We aim to study the role of miR-30 family members in cisplatin-resistance of ovarian cancer cells. METHODS: qRT-PCR was used to compare differential expression levels of miR-30 family members in ovarian cancer cell line A2780 and its cisplatin-resistant derivative CP70. Changes of cisplatin-sensitivity in miR-30a-5p- and miR-30c-5p-overexpressed-CP70 cells and miR-30a-5p- and miR-30c-5p-inhibited-A2780 cells were examined by CCK8 assay and apoptosis analysis using flow cytometry; targets of miR-30a/c-5p were analyzed by western blotting and luciferase reporter assay; methylation regulation of pre-miR-30a/c-5p was examined by methylation specific PCR...
February 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28221123/genetically-diverse-filoviruses-in-rousettus-and-eonycteris-spp-bats-china-2009-and-2015
#19
Xing-Lou Yang, Yun-Zhi Zhang, Ren-Di Jiang, Hua Guo, Wei Zhang, Bei Li, Ning Wang, Li Wang, Cecilia Waruhiu, Ji-Hua Zhou, Shi-Yue Li, Peter Daszak, Lin-Fa Wang, Zheng-Li Shi
Genetically divergent filoviruses detected in Rousettus and Eonycteris spp. bats in China exhibited 61%-99% nt identity with reported filoviruses, based on partial replicase sequences, and they demonstrated lung tropism. Co-infection with 4 different filoviruses was found in 1 bat. These results demonstrate that fruit bats are key reservoirs of filoviruses.
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28220523/inflammation-is-independent-of-steatosis-in-a-murine-model-of-steatohepatitis
#20
Wei Wang, Ming-Jiang Xu, Yan Cai, Zhou Zhou, Haixia Cao, Partha Mukhopadhyay, Pal Pacher, Shusen Zheng, Frank J Gonzalez, Bin Gao
Obesity and alcohol consumption synergistically promote steatohepatitis, and neutrophil infiltration is believed to be associated with steatosis. However, the underlying mechanisms remain obscure. Peroxisome proliferator-activated receptor-gamma (PPARγ) plays a complex role in lipid metabolism and inflammation, therefore, the purpose of this study was to dissect its role in regulating steatosis and neutrophil infiltration in a clinically relevant mouse steatohepatitis model of 3-month high-fat diet (HFD) feeding plus a binge of ethanol (HFD -plus-binge ethanol)...
February 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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