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Xin Yao, Lian-Lian Bian, Wei-Wei Lu, Jing-Xin Li, Qun-Ying Mao, Yi-Ping Wang, Fan Gao, Xing Wu, Qiang Ye, Xiu-Ling Li, Feng-Cai Zhu, Zhenglun Liang
Herpangina (HA) and hand, foot, and mouth disease (HFMD) are common infectious diseases caused by human enteroviruses and frequently occurr in young children. Previous published studies have mainly focused on HFMD, while the HA epidemiological and etiological characteristics in mainland China have not been described. From June, 2013 to March, 2014, HA and HFMD patients were monitored in participants from clinical trial of EV-A71 vaccine conducted during 2012-2013. A total of 95 HA patients and 161 HFMD patients were defined...
October 21, 2016: Human Vaccines & Immunotherapeutics
Nijuan Xiang, Tian Bai, Kai Kang, Hui Yuan, Suizan Zhou, Ruiqi Ren, Xiuying Li, Jiabing Wu, Liquan Deng, Ge Zeng, Xianjun Wang, Shenghua Mao, Jian Shi, Rongbao Gao, Tao Chen, Sumei Zou, Dan Li, Fiona Havers, Marc-Alain Widdowson, Carolyn M Greene, Yanping Zhang, Daxin Ni, Xiaoqing Liu, Qun Li, Yuelong Shu
BACKGROUND: The first human infections of novel avian influenza A(H7N9) virus were identified in China in March 2013. Sentinel surveillance systems and contact tracing may not identify mild and asymptomatic human infections of influenza A(H7N9) virus. OBJECTIVES: We assessed the seroprevalence of antibodies to influenza A(H7N9) virus in three populations during the early stages of the epidemic. PATIENTS/METHODS: From March 2013-May 2014, we collected sera from the general population, poultry workers and contacts of confirmed infections in nine Chinese provinces reporting human A(H7N9) infections and, for contacts, second sera 2-3 weeks later...
October 20, 2016: Influenza and Other Respiratory Viruses
Ming-Shan Wang, Yong-Xia Huo, Yan Li, Newton O Otecko, Ling-Yan Su, Hai-Bo Xu, Shi-Fang Wu, Min-Sheng Peng, He-Qun Liu, Lin Zeng, David M Irwin, Yong-Gang Yao, Dong-Dong Wu, Ya-Ping Zhang
Body size is the most important economic trait for animal production and breeding. Several hundreds of loci have been reported to be associated with growth trait and body weight in chickens. The loci are mapped to large genomic regions due to the low density and limited number of genetic markers in previous studies. Herein, we employed comparative population genomics to identify genetic basis underlying the small body size of Yuanbao chicken (a famous ornamental chicken) based on 89 whole genomes. The most significant signal was mapped to the BMP10 gene, whose expression was upregulated in the Yuanbao chicken...
October 15, 2016: Journal of Molecular Cell Biology
You-Gui Huang, Yoshihito Shiota, Sheng-Qun Su, Shu-Qi Wu, Zi-Shuo Yao, Guo-Ling Li, Shinji Kanegawa, Soonchul Kang, Takashi Kamachi, Kazunari Yoshizawa, Katsuhiko Ariga, Osamu Sato
Proton transport via dynamic molecules is ubiquitous in chemistry and biology. However, its use as a switching mechanism for properties in functional molecular assemblies is far less common. In this study, we demonstrate how an intra-carboxyl proton shuttle can be generated in a molecular assembly akin to a rack-and-pinion cascade via a thermally induced single-crystal-to-single-crystal phase transition. In a triply interpenetrated supramolecular organic framework (SOF), a 4,4'-azopyridine (azpy) molecule connects to two biphenyl-3,3',5,5'-tetracarboxylic acid (H4 BPTC) molecules to form a functional molecular system with switchable mechanical properties...
October 13, 2016: Angewandte Chemie
Lei Zhou, Ruiqi Ren, Jianming Ou, Min Kang, Xiaoxiao Wang, Fiona Havers, Xiang Huo, Xiaoqing Liu, Qianlai Sun, Yongchao He, Bo Liu, Shenggen Wu, Yali Wang, Haitian Sui, Yongjie Zhang, Shaopei Tang, Caiyun Chang, Lunhui Xiang, Dong Wang, Shiguang Zhao, Suizan Zhou, Tao Chen, Nijuan Xiang, Carolyn M Greene, Yanping Zhang, Yuelong Shu, Zijian Feng, Qun Li
Background.  Human infections with avian influenza A(H7N9) virus have been associated with exposure to poultry and live poultry markets (LPMs). We conducted a case-control study to identify additional and more specific risk factors. Methods.  Cases were laboratory-confirmed A(H7N9) infections in persons in China reported from October 1, 2014 to April 30, 2015. Poultry workers, those with insufficient data, and those refusing participation were excluded. We matched up to 4 controls per case by sex, age, and residential community...
September 2016: Open Forum Infectious Diseases
Kai-Ting Li, Qing Chen, Da-Wu Wang, Qin-Qin Duan, Si Tian, Juan-Wen He, Yun-Sheng Ou, Ding-Qun Bai
Photodynamic therapy (PDT) is a promising treatment in cancer therapy, with a photosensitizer activated by visible light. Aloe-emodin (AE) is a promising photosensitive agent. In this study, the photosensitizing effects and possible mechanisms of AE-PDT in MG63 cells were evaluated. The efficiency of AE-PDT was analyzed by MTT assay. The mode of cell death was investigated by Hoechst 33,342 staining and flow cytometer. The intracellular distribution of AE was detected with confocal microscopy. The formation of reactive oxygen species (ROS) was detected by DCFH-DA...
October 3, 2016: Cancer Medicine
Yu Fu, Xiaolin Li, Qiang Li, Haowei Wu, Chuan Xiong, Qi Geng, Honghu Sun, Qun Sun
Tuber pseudoexcavatum, Tuber sinoaestivum, and Tuber indicum are the 3 most important truffles growing in southeast China; however, their cultivation is still inefficient owing to the lack of understanding regarding the composition and function of the bacterial and fungal communities from the soils around the fruit bodies and the ectomycorrhiza of these truffles. The aim of this study was to disclose the microbial communities in truffle-producing soils in Huidong County, Sichuan, China, by using barcoded pyrosequencing...
June 27, 2016: Canadian Journal of Microbiology
Ran Pang, Li-Juan Yu, Meng Zhang, Zhong-Qun Tian, De-Yin Wu
Strong hydrogen-bonding interaction and Raman spectra of hydrated proton have been investigated using hybrid density functional theory method B3LYP. The solvation model of density (SMD) approach is employed in the present calculation to simulate hydrated protons in aqueous solution. Focusing on the different hydrogen-bonded Eigen-water and Zundel-water interactions, we present a better assignment of Raman signals of hydrated proton on the basis of vibrational analysis in different environments. Our results showed that B3LYP calculations could give a good prediction for characteristic vibrational frequencies of Eigen and Zundel isomers in liquid phase...
October 12, 2016: Journal of Physical Chemistry. A
Yi Ma, Chang-Jun Hou, Hui-Xiang Wu, Huan-Bao Fa, Jun-Jie Li, Cai-Hong Shen, Dan Li, Dan-Qun Huo
In this work, maltodextrin-grafted-cinnamic acid (MD-g-CA) was synthesized and used as wall material to improve the stability of purple sweet potato anthocyanins (PSPa) via microencapsualtion. MD-g-CA was prepared through esterification in a two-step convenient synthesis procedure and characterized using infrared (IR) spectroscopy. The IR data indicated the typical ester carbonyl stretching at around 1721cm(-1). Moreover, MD-g-CA could give about 40% inhibition of DPPH radical and present excellent UV-absorption, which were notably better than that of native MD...
August 11, 2016: Journal of Microencapsulation
Bin-Bin Li, Dong-Liang Li, Chao Chen, Bao-Hai Liu, Chun-Yan Xia, Han-Jun Wu, Chao-Qun Wu, Guo-Qin Ji, Su Liu, Wu Ni, Ding-Kang Yao, Zhi-Yu Zeng, Da-Gui Chen, Bao-Dong Qin, Xuan Xin, Gang-Li Yan, Dan Tang, Hui-Min Liu, Jin He, Hongli Yan, Wei-Jian Zhu, Hong-Yu Yu, Liang Zhu
Early diagnosis of liver fibrosis is critical for early intervention and prognosis of various chronic liver diseases. Conventional repeated histological assessment is impractical due to the associated invasiveness. In the current study, we evaluated circulating miR-185 as a potential biomarker to predict initiation and progression of liver fibrosis. We found that miR-185 was significantly up-regulated in blood specimens from patients with HBV-liver fibrosis and rats with liver fibrosis, the miR-185 levels were correlated with liver fibrosis progression, but not with the different viral loads in HBV-infected patients...
September 28, 2016: Scientific Reports
Chu-Hai Xie, Yan-Ming Cao, Yan Huang, Qun-Wei Shi, Jian-Hong Guo, Zi-Wen Fan, Ju-Gen Li, Bin-Wei Chen, Bo-Yi Wu
Recent studies have shown that long non-coding RNAs (lncRNAs) have critical roles in tumorigenesis, including osteosarcoma. The lncRNA taurine-upregulated gene 1 (TUG1) was reported to be involved in the progression of osteosarcoma. Here, we investigated the role of TUG1 in osteosarcoma cells and the underlying mechanism. TUG1 expression was measured in osteosarcoma cell lines and human normal osteoblast cells by quantitative real-time PCR (qRT-PCR). The effects of TUG1 on osteosarcoma cells were studied by RNA interference in vitro and in vivo...
September 22, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Jun-Yu Ke, Wu Zhang, Rui-Song Gong, Wan-Jing Cen, Hui-Qun Huang, Ye-Rong Li, Wei-Dong Kong, Jian-Wei Jiang
Recent studies have shown that the aqueous, ethanolic extracts and a monomer compound of Paris polyphylla exhibit anticancer activity toward several types of cancer cell lines, but the anticancer activity of (3β,17α,25R)-spirost-5-ene-3,17-diol 3-O-α-L-rhamnopyranosyl-(1 → 2)-β-D-glucopyranoside, a monomer isolated from P. polyphylla (PP), named PP-22, has not been reported previously. In this study, we investigated the effect of PP-22 on human tongue squamous cell carcinoma SCC-15 cells in vitro. MTT assays showed that PP-22 inhibited the growth of SCC-15 cells and had no obvious inhibitory effects on human liver L02 cells...
September 19, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Huan-Lei Wu, Sen-Mao Li, Jia Hu, Xiao Yu, Hua Xu, Zhong Chen, Zhang-Qun Ye
BACKGROUND: The recently identified phenomenon of double-stranded RNA (dsRNA)-mediated gene activation (RNAa) has been studied extensively, as it is present in humans, mice, and Caenorhabditis elegans, suggesting that dsRNA-mediated RNAa is an evolutionarily conserved mechanism. Previous studies have shown that dsP21-322 can induce tumor suppressor gene p21 expression in several human cancer cells. Nonetheless, the role of dsRNAs in the activation of gene expression, including their target molecules and associated key factors, remains poorly understood...
2016: Journal of Experimental & Clinical Cancer Research: CR
Hai-Tao Wu, Xiao-Jun Yang, Chao-Qun Huang, Jian-Hua Sun, Zhong-He Ji, Kai-Wen Peng, Qian Zhang, Yan Li
BACKGROUND: This work was to evaluate the perioperative safety and efficacy of cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) with lobaplatin and docetaxel in patients with peritoneal carcinomatosis (PC) from gastrointestinal and gynecological cancers. METHODS: Patients were treated by CRS + HIPEC with lobaplatin 50 mg/m(2) and docetaxel 60 mg/m(2) in 6000 mL of normal saline at 43 ± 0.5 °C for 60 min. Vital signs were recorded for 6 days after CRS + HIPEC procedures...
2016: World Journal of Surgical Oncology
Guo-Ling Li, Shinji Kanegawa, Zi-Shuo Yao, Sheng-Qun Su, Shu-Qi Wu, You-Gui Huang, Soonchul Kang, Osamu Sato
Two polymorphic structures have been well determined in a valence tautomeric (VT) dinuclear cobalt complex. These polymorphs showed distinct thermal- and photomagnetic behavior, and are thus ideal for studying the "pure" intermolecular factors to VT transitions. In polymorph 1A, the VT cations are arranged head-to-waist with their neighbors and exhibit weak π⋅⋅⋅π interactions, resulting in a gradual and incomplete thermal VT transition. In contrast, the cations in polymorph 1B are arranged head-to-tail and exhibit relatively strong π⋅⋅⋅π interactions, leading to an abrupt and complete thermal VT transition with adjustable hysteresis loop at around room temperature...
September 15, 2016: Chemistry: a European Journal
San-Gang Wu, Zhen-Yu He, Yan Wang, Jia-Yuan Sun, Huan-Xin Lin, Guo-Qiang Su, Qun Li
BACKGROUND: To assess the clinical value of lymph node dissection and lymph node status in patients with metastatic thoracic esophageal cancer (MTEC). METHODS: The Surveillance Epidemiology and End Results (SEER) database was used to identify patients with MTEC who had undergone esophagectomy from 2004 to 2012. Kaplan-Meier survival analysis and Cox proportional hazard regression were used to identify factors significantly associated with overall survival. RESULTS: A total 220 eligible patients were identified, 162 (73...
September 6, 2016: International Journal of Surgery
Xiao-Xia Guo, Chun-Xiao Li, Yong-Qiang Deng, Dan Xing, Qin-Mei Liu, Qun Wu, Ai-Juan Sun, Yan-de Dong, Wu-Chun Cao, Cheng-Feng Qin, Tong-Yan Zhao
Zika virus (ZIKV) has become a threat to global health since the outbreak in Brazil in 2015. Although ZIKV is generally considered an Aedes-transmitted pathogen, new evidence has shown that parts of the virus closely resemble Culex-transmitted viruses. Therefore, it is important to evaluate the competence of Culex species for ZIKV to understand their potential as vectors. In this study, female Culex pipiens quinquefasciatus were orally exposed to ZIKV. Mosquito midguts, salivary glands and ovaries were tested for ZIKV to measure infection and dissemination at 2, 4, 6, 8, 12, 16 and 18 days post exposure (pe)...
2016: Emerging Microbes & Infections
Hongping Li, Yufeng Wu, Yali Zhao, Xiuli Hu, Jianfeng Chang, Qun Wang, Pengfei Dong, Moubiao Zhang, Chaohai Li
We have isolated a new mutation in maize, incompletely fused carpels (ifc), which results in an open stylar canal on the ovary and an incomplete pericarp at the top of the kernel. The maize ovary derives from the fusion of three carpels; however, the molecular networks regulating maize carpel fusion remain largely unclear. In this study, RNA sequencing (RNA-seq) was performed on wild-type (WT) and ifc ovaries that were collected after carpel fusion defects could be morphologically distinguished. In total, 877 differentially expressed genes were identified...
2016: Scientific Reports
Xiao-Ming Dong, En-Dong Liu, Yun-Xiao Meng, Chao Liu, Ya-Lan Bi, Huan-Wen Wu, Yan-Chao Jin, Jing-Hui Yao, Liu-Jun Tang, Jian Wang, Min Li, Chao Zhang, Miao Yu, Yi-Qun Zhan, Hui Chen, Chang-Hui Ge, Xiao-Ming Yang, Chang-Yan Li
Toll-like receptors (TLRs) have critical roles in innate immunity and inflammation and the detailed mechanisms by which TLR signaling is fine tuned remain unclear. Keratin 8 (CK8) belongs to the type II keratin family and is the major compontent of the intermediate filaments of simple or single-layered epithelia. Here we report that down-regulation of CK8 in mice enhanced TLR-mediated responses, rendering mice more susceptible to lipopolysaccharide (LPS)-induced endotoxin shock and Escherichia coli-caused septic peritonitis with reduced survival, elevated levels of inflammation cytokines and more severe tissue damage...
2016: Scientific Reports
Jing Li, Nan Li, Yu-Ru Zhao, Yi-Qun Dai, Qiang Huo, Tao Ma, Hong-Mei Li, Cheng-Zhu Wu
OBJECTIVE: To modify the structure of psoralidin using in vitro enzymatic glycosylation to improve its water solubility and stability. METHODS: A new psoralidin glucoside (1) was obtained by enzymatic glycosylation using a UDP- glycosyltransferase. The chemical structure of compound 1 was elucidated by HR-ESI-MS and nuclear magnetic resonance (NMR) analysis. The high-performance liquid chromatography (HPLC) peaks were integrated and sample solution concentrations were calculated...
August 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
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